DE1949181A1 - Nebulizer pump - Google Patents

Description

Dr. F. Zumstein Sr. · Dr. E. Assmann Dr. R. Koenigsberger - Dip !. Phye. R. Holzbauer

Dr. F. Zumstein jun.

Patent attorney

8 Munich 2, BrSuhauMtraOe 4 / III

ös 70 668/68

Kabushiki Kaisha Mitane Valve -Tokyo / Japan

Atomizer pump

The invention relates to an atomizer pump that is used for separation and manually confirmed dispensing of a liquid from a container will.

In this type of pump, when a piston is first depressed, air is removed from a cylinder and a liquid is removed sucked into the cylinder by the pumping action. By means of one attached to the piston and the airtight cylinder Valve, the liquid is compressed and under pressure, i. H.

0098 3 2/0067

passed into the piston by the pumping action, so that it atomizes will. The device for introducing the compressed liquid in the cylinder into the piston and for atomization is thereby the same extremely difficult. In a known device, a complicated structure is used, the Disadvantages are that the number of components is large, that assembly is difficult, and that the device is covered with dust becomes clogged. For this reason occur with this device many difficulties arise and they. doesn't own a big one Lifespan. . ■

The aim of the present invention is therefore the number of To reduce components to a minimum, so that components are saved, and the difficulties in assembling the To eliminate device so that it is cheap to manufacture.

The aim of the present invention "is also to see the mechanical Structure with which a valve body is movably attached to a piston, to simplify, so that a liquid in a cylinder opens and closes a connection opening which leads to the piston and which is sucked into the cylinder and is atomized, 'so that the number of components is reduced. Furthermore, a. Mechanism to be created at which a fastening or support part for. a valve body separated by a piston and a connection opening to the .Piston is designed in a simple manner in such a way that it is "by its Combination with the valve body is forcibly opened and closed. Furthermore, to. The formation of a valve body a for ' Liquids of a suitable structure are created in which the fastening part of the valve body is combined with a fastening part which is separate from the piston. The invention will be described in the following on the basis of the exemplary embodiments shown in the accompanying drawing explained in more detail. .

00 * 8 32/0017

Pig. 1 shows a vertical section of an inventive Execution form.

Pig. 2 shows the Tertica section of this embodiment, with the piston depressed.

'Fig. 3 shows the embodiment according to Pig. 2 with pushed up Pistons.

Figures 4 and 5 show a second in vertical section. Embodiment of the _Er-making.

Pig. 6 shows the vertical section of a third embodiment.

Pig. 7 shows, also in vertical section, a fourth Embodiment. ·,

Pig. 8 shows in perspective the in Pig. 7 valve body shown.

Pig. 9 shows a fifth embodiment of the invention in vertical section. v

Pig. 10 shows a section "along the line 10-10 in Pig. 9,

In Pig. 1 is 1 with a valve body made of elastic material such as natural or synthetic rubber or synthetic resin, which has the shape of a cone and at the bottom Part 2 is wider than the upper part 3. In the opening in the upper, narrower part 3, a part 6 with a small diameter is used, which is attached to the lower end of a piston 5 and can slide in the opening 4 in the axial direction. The outer perimeter of the lower part 2 with the larger diameter is in close contact with the inner circumferential surface of a cylinder 7 With 8 an extension is referred to, which is above the part β of the piston 5 with a small diameter 1iegt and with this and an inclined surface 9 on its lower surface towards the small diameter part 6 has-, which is inclined inward, and is deeper at the part 6 with the small diameter. Bumps like in Pig. 2 shown the upper part 3 of the valve body 1 with the small diameter on the inclined surface 9, so it is with this

009832/0067

I9491 «1

in close contact and blocks the liquid to be atomized. It absorbs the pressure caused by the liquid and prevents the liquid from seeping out of the valve body 1 . At the lower end of the part 6 with the small diameter, an incision 10 is made, which forms a passage opening j through which the liquid can be injected into a channel 5 'in the piston 5 :. The lower end of the valve ball 11 touches the upper end 12 'of a helical spring 12, which is held at its lower end 12''by an inwardly recessed part 7' on the lower part of the cylinder 7, so that the valve ball 11 is always upward is pressed and touches the valve body 1 under the action of the spring force. The coil spring 12 is wound so that it becomes narrower upwards, in the direction of the valve ball 11, so that, as shown in FIGS. 2 and 3, it can be easily compressed when the piston 5 is pressed down. 13 with another valve ball is referred to, which is inserted into a narrowed part 14 below the cylinder 7 and a channel 14 * in a fitting part opens and closes. The channel 14 ′ runs to a suction pipe 15 which is connected to the narrowed part 14. A flange-shaped part 17 at the upper end of the cylinder 7 is in close contact with the rear surface of a cap 18 which is screwed onto a seal 20 on the upper surface of the mouth part 19 of a container 62. At 21, a cylindrical part is designated, which jn the middle, the cap 18 protrudes down and into the

upper cylindrical part 22 of the cylinder 7 is inserted airtight and at the lower end 23 the outer periphery of the valve body 1 touches so that it forms a protection when the valve body 1 presses the valve ball 11, as well as the Contact of the valve ball 11 with the inner peripheral surface of the Valve body 1 improved. At 24 there is a narrow opening the top of the cylinder 7 referred to as the ventilation opening serves and connects the interior of the container 62 with the outside air. With 25 an atomizer push button is referred to,

DO 9 8: 3-2 / 00 6 7 "

which atomizes the liquid by having a small diameter opening 27 with a large diameter opening 26 in the middle of the lower surface and an atomizing nozzle 28 on the side surface. Like in the As shown in the figure, the atomizing nozzle 28 lies in a ^ separate Atomizer body 29. An annular recess 30 is provided to reduce the weight of the atomizer push button 25.

The function of the atomizer pump will now be described below explained. If the atomizer push button 25 is depressed from the state shown in FIG. 1, the piston 5 becomes also pressed in and the lower valve ball 13 closes the channel 14 '(Fig. 2). The valve body 1 expands in the process and swells outward under the pressure of the liquid to be atomized, contacting the inner peripheral wall with it the valve ball 11 is lifted and a gap 63 is created, which serves as a passage opening for the liquid which is atomized through the atomizer nozzle 28 of the atomizer push button 25 is to be and through the lateral incision 10 at the lower end of the piston 5 and a central channel 5 'in the piston flows. Since the extension 8 of the piston 5 is also pressed down, it comes out of contact with the stepped Part 21 'of the cylindrical part 21 and the contact of the valve body 1 with the lower .End 23 of the cylindrical Part 2T is canceled and the ventilation opening 24 in the upper part of the cylinder 7 is with the Outside air in connection. As a result, the outside air enters the container 18 and prevents the air in the container 18 from becoming scarce will. '

Acts the force that depresses the atomizer push button no longer 'on the same one, the piston 5 is together with the valve body 1 and the valve ball 11 by the spring force of the helical spring 12, as shown in Fig. 3, upwards

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I94St81

pressed. The lower valve ball 13 is through that through the channel 14 'sucked liquid moves up what is shown with dashed lines, "and the liquid is sucked in. The valve body 1 slides on the . .Part 6 with a small diameter of the piston 5 down and is in close contact with the outer periphery of the valve ball 11 so that the incision 10 is completely closed,

■ no air enters the 'cylinder 7 and into the atomizing liquid is sucked in. When this process is repeated, the liquid to be atomized is passed through the "Atomizer push button 25 atomizes. The inventive Device compared to "known devices the" Advantage that the atomization takes place expediently and compulsorily, that the structure is simple and consists of a very small number of components and is therefore simple and cheap.

Figures 4 and 5 show an embodiment in which an insert part 31 for the valve body 1 separately on the part β with small diameter attached to the ur_teren end of the piston 5 and is used instead of the valve ball 11 in FIGS. 1 to 3. ...

This insert part 31 for the valve body 1 has a thin, long cylindrical part 32 with a flange-shaped Edge 33 is provided on the lower outer periphery protrudes. The insert 31 is also provided with a deep concave opening 34 in the center and a side opening provided near the bottom of the concave opening 34,

. so that it can be fixed with the concave opening 34. The cylindrical part 32 is on the outer periphery with a Provided external thread and screwed into a concave opening 36

or safely and firmly inserted, which is located at the lower end of the piston 5. Furthermore / there is a lateral opening 37 in the piston 5, which protrudes with the lateral opening 35 in . Connection. With 38 and 39 0-rings are designated.

0 0 ^ 8 3 27005 7

The O-ring 39 is fixed between the inside of the valve body 1 and the upper surface of the flange-shaped protruding edge §3 of the insert part 31 so that it is pressed onto the lower end surface of the part 6 having a small diameter. The O-ring 38 is fitted between the upper part of the valve body 1 and the lower stepped part 40 of the piston body 5. The gap between the stepped part 40 in the lower end of the piston 5 and the flange-shaped edge 33 of the insert part 31 should be such that the above-mentioned 0-Riü.ge 38 and 39 of the valve body 1 can move upwards to the side opening 10 to open. This state is shown in FIG. In this embodiment, the cylinder 7 becomes gradually narrower downwards, so that a conical opening 41 results, into which the valve ball 13 is inserted in an airtight manner. Below this opening the cylinder 7 is provided with the suction pipe 15 and at the upper end with the flange-shaped part. A fastening plug 42 is screwed or positively and non-positively inserted into the cylindrical part 22 from above is further provided with a flange-shaped part 43 which is fastened to the screw cap 18 with a seal 44 attached between the cap 18 and the flange-shaped part 17 of the cylinder 7. The screw cap 18 is screwed to the opening of the container the piston 5 is pushed downwards (Fig. 5 ^% ) the valve body 1 is moved upwards under the pressure of the liquid to be atomized and "the lateral openings 35 and 37 open so that the liquid flows through the channel 5 'in the piston Atomizer nozzle 28 is atomized in the atomizer push button 25. If the force pressing the piston 5 downwards no longer acts on it, it is moved upwards by the spring force of the helical spring 12. The valve body moves

00 9832/00 57

down and touches the O-ring 39 so that. an airtight There is a connection between these two parts, and none Air can penetrate. The lower valve ball 13 moves towards the top of the cylinder 7 "so that the liquid to be atomized is sucked in. The difference between this embodiment and the embodiment of FIGS. 1 to 3 is therein - that instead of the valve ball 11, the insert part 31 is used. The .Arbelts- and mode of action are at Both versions, however, are identical.

The valve body 1 is attached to the insert part 31 in such a way that it can move vertically in the axial direction and opens and closes the lateral openings 35 and 37 of the insert part 31, which connect the inner chamber of the cylinder 7 and the central opening 5 'in the piston 5, so that the liquid can be atomized. When the piston 5 is pressed down, the valve body 1 together with the O-ring 38 is moved upwards until it rests against the stepped part 40 of the piston 5 because of the frictional resistance of the inner peripheral surface of the cylinder 7 and the pressure of the liquid to be atomized (Fig. 5). If the piston is released, the lateral openings 35 and 37 are opened so that the liquid in the cylinder 7 is passed under pressure into the central opening 5 'in the piston 5 /. The O-ring 38 touches the upper part of the valve body 1 in an airtight manner, so that the liquid is prevented from flowing out. This "state in which the piston 5 is pushed up by the spring force of the coil spring 12 is shown in Fig. 5. When the piston moves up, the valve body T due to the frictional resistance of the inner peripheral wall of the cylinder J , is depressed and the inner upper surface of the valve body comes into airtight contact with the lower O-ring 39 so that the communication of the side openings 35 and 37 with the interior of the cylinder 7 is broken and the liquid in the container 62 is broken through the suction tube 15 sucked into the cylinder 7

0 098 3 2 / 0OB 7 BAD ORIGINAL

will. This state is shown in FIG. The outside air stands via the ventilation opening 24, which emerges from a narrow opening consists in the upper Uinfangwand the cylinder 7, with the interior of the cylinder in connection, so that with decreasing amount of liquid air is supplied in the container 62. During the piston 5 under the action of the spring force of the coil spring remains pressed upwards, the plug 42 is at the lower end sealed with the valve body 1 and the O-ring 38 so that when the container 62 falls, the liquid cannot flow out of the same. The operation of this embodiment is the same as that shown in Figs.

In the embodiment shown in FIG. 6, the difference consists essentially in the embodiment of the valve body which is modified compared to FIG. 4. The change is that the upper inner circumference is made thicker so that an engaging, stepped part 45 of the valve body 1 "is formed. The insert 31 is made thicker at the flange-shaped edge and provided with a projecting engaging edge, which stands and on the peripheral edge of the upper surface facing upward is engaged with the engaging stepped part 45 of the valve body i ^'f' in engagement. The valve body 1 ″ is also at the upper end with an inwardly recessed

47 /
Recess / provided which runs around the entire circumference, so that in the upper part this recess 47 is in close contact with an inwardly inclined part 48 at the lower end of the fastening plug 42 in engagement. When the piston 5 is depressed, the recess rests against the inwardly inclined surface 49 of the piston and forms a passage between the inner surface of the valve body 1 ″ and the insert part 31, so that the liquid flows through the central opening 5 ′ in the piston 5 splashes. The rest of the valve body is identical to that of the above remarks.

009832/0067

In the embodiment shown in FIGS. 7 and 8, the valve body consists of a disk 53 which is provided on the upper and lower outer edges with circumferential ribs 51 and 51, so that a groove 52 results in the middle between these ribs . The insert part is provided on the lower surface with an enlarged part 54 which has a recess 55 on the lower surface. In the seam of the upper surface of the enlarged part 54 there is a lateral opening 35 on the insert part 31 ″ and the valve body 53 is fitted onto the insert part. The valve body 53 has a considerably higher elasticity than that in the embodiments of the figures T, 4 and 6 and is not curved it consists of a very hard, vulcanized, synthetic rubber or synthetic resin in this embodiment, the operation is the same as with the * ■■. he "mentioned above the Ventilkörp 53 moves.. vertically in the gap between the insert part 31 ″, the lower end of the piston 5 and the enlarged part 54 and opens and closes the lateral opening 35 so that the liquid can be sucked into the cylinder 7 and atomized.

In the embodiment shown in FIG. 9, the valve body I ¹ 'in FIG. 6 is slightly modified. In the embodiment shown in FIG. 9, the valve body 1 '»' is H-shaped ^; wherein the outer circumference has the shape of a drum provided with a recess, with a smaller diameter in the center and upper and lower sides widened to the outside or to the cylinder 7. The inner circumference is provided with an inwardly protruding edge substantially in the middle. The insert part is somewhat smaller on the outer circumference of the lower widened part 54 in the case of FIG. 7, so that it is covered by the lower part 65 of the valve body 1 " ^r . The upper extended portion 56 is in close contact with the outwardly inclined surface 58 of a cylindrical body 57 which forms a common part with the cap 18th In the conical opening

059832/0067

opening 41 in the lower conical part 14 of the cylinder 7 is a nipple-shaped, elastic body 59 instead of the in Figures 4 and 6 shown valve ball 13 inserted. the However, embodiment is not limited to this with the valve ball 13 the same mode of operation and operation can be achieved. ¥ ie shown in Fig. 1Q, there is the elastic Body 59 made of a cross 61 with a circumferential edge. The space in between coincides with a cross-shaped groove 60 in the bottom of the cylinder 7.

The operation of the embodiment shown in Fig. 9 "is the same as that described above. That is, when the piston 5 is pushed down, the valve body 1" becomes due to the friction of the inner peripheral wall of the cylinder J and the pressure of the liquid to be atomized is moved upward, a gap is created between the valve body and the outer circumference of the enlarged part 54, so that the liquid to be atomized is injected through the lateral opening 35 into the central channel 5 'in the piston 5. Becomes If the piston 5 is released, it moves upwards as a result of the spring force of the helical spring 12 and the valve body i '''moves downwards in the state shown in FIG the liquid to be atomized is sucked out of the container.

As shown in the individual execution forms. " in the atomizer pump according to the invention, a piston against the Spring force of a helical spring 12 pressed down. Will the piston is relieved of the force pushing it down, the piston is moved by the spring force of the helical spring to pressed up, so that the valve body in vertical

009832 / 00B7

Moved direction and a side opening in the piston or a insert to be connected to a central opening in the piston opens and closes. "This is the inventive Structure is simple, so that the number of components is small, ' and assembly difficulties are avoided. Further the Venti! body can be used in modified embodiments are, for example in conical shape, H-shape, disk shape or in the form of O-rings, essentially like shown in the figures. This allows the valve body to increase the concentration and other properties κ · atomizing liquid to be adapted. The present The invention therefore has the advantage that a more economical product can be produced. Furthermore, since the valve body is movable and can be of different shapes, it can be attached in a conventional way and the frictional resistance be reduced. The durability is increased so that it can be kept for long periods of time.

009832 / 00B7

Claims (1)

PATEIIiSSPRl) CH-E Atomizer pump, g e k e η η ζ e i c h η e t through a Plunger (5) attached to the top with an atomizer push button (25) and its lower end in a cylinder (7), and against the spring force of a conical, at the upper end of its own coil spring (12) can be moved up and down, through a valve body (1), which is attached to the lower end of the piston (5) and in makes close contact with the opening in a narrow cylindrical Part (6) of the piston (5) and to the lower end (2) is gradually expanded by a valve ball (11), which is pushed up by the coil spring (12) and is held in the valve body (1) by an inward inclined surface on the lower surface 'of an extension (8) of the piston (5) -and through an incision on lower end of the narrow part (6), so that 'when the piston (5) is depressed, the valve body (1) on the move up the narrow part (6) of the piston and upper end on the inwardly inclined surface (9) der'unteren surface of the enlarged part (8) of the piston (5) so that opposite the valve ball (11) results in a gap and a liquid to be atomized through the passage thus formed and a middle passage (5 ') in the piston (5) can be atomized via an atomizer push button (25) and, if the "valve body (1) is under the pressure of the atomizer Fluid moves up and down because of the abutment van the inwardly inclined surface (9) expands outward, does not disengage and the liquid cannot flow out. 09 8 3 2 / 00S7 • Spray pump according Anspxueli ΐ, boiled en η i ze net by a separate, with its upper end at ¹ [lower end of the narrow part (6) lower at the end of the piston (5) fixed insert (31) having a flange, protruding part (33) at the lower end and by O-rings (38, 39) i which are vertically movable within the valve body (1) and at the upper end outside the 'valve body (1 ")).,. Above the flange-shaped protruding part ( 33) are attached so that when the piston (5) is pressed down against 'the spring force of the helical spring (12), the valve body (T)' moves away from the inner O-ring (39) and opens a side opening (35 37) in the insert opens and connects to the central channel (5 ') in the piston (5) and, when the piston moves up, the valve body moves down, in close contact with the inner O. Ring (39) / comes and the side opening closes, so that the liquid to be atomized in the Zy linder (7). can be sucked. '' _ '', Atomizer pump according to claim 1 or 2, characterized in that the insert (3t) has a flange-shaped edge (33) at the lower end and an upwardly protruding edge at the upper peripheral edge of the flange-shaped edge (33 ) forms _f and that the valve body (t) is provided with an engaging, stepped part (45) which is in single engagement with the lower end of a fastening cylinder also located at the upper end, so that when the calving under the action of the spring force - <itr :. Helical spring (12) geäriiqkt upwards. _wlrd;? check the valve body (1) Carry below movers can UNAE both ■ the lower stepped engagement steeply at the ipneren ": © Jber- ί laugh of the valve body and -the vopsteheaide edge at li-r upper surface of the edge flansehförmigen Imftdieht with- 'to each other in Intervention so that a passage with a central passage in the insert part (31) and äem Kölbeii (§ | is f # - binding is closed and a liquid speed in the container (62) is sucked into the cylinder (7), and, when the piston is depressed, both are disengaged come, - wherein the valve body (1) moves upwards and closes the passage of the insert part (31 ') and at the same time the upper stepped engaging part (45) of the valve body (1) with the engaging part (46) below End of the piston (5) engages to prevent a leak to prevent the liquid to be atomized and the liquid already sucked into the cylinder (7) "completely to "an atomizer nozzle (28) in the atomizer ^ push button (25) through the central channel (5 ') in the piston (5). 4. Atomizer pump according to at least one of the preceding Claims, characterized in that the valve body (1) has the shape of a disc (53) which is attached to the outer peripheral surface with an upper (50) and a lower rib (51) 'formed in the cylinder (7). can slide and is attached to an insert part (31 ") which is provided with a central opening (55) and is attached to the lower end of the piston (5) so that it is vertically movable in the "axial direction and, when the piston (5) is pressed down, the valve body (1) can move upwards and a through opening (35) in the insert (31 'V) opens, and when the piston (5) is pushed up, the valve body (1) downwards moved and the through opening (35) closes, so that a liquid to be atomized is sucked into the ^ cylinder and can be atomized using the atomizer push button (.25). '■ " 0 09 8 3 "27 0 0 6 7 Atomizer pump according to at least one of the preceding claims, characterized in that the valve body (1) has an H-shaped cross section which is drawn in at the central outer circumference and widened at the upper and lower ends of the outer circumference so that it is at the ends is greater than in the middle, and is in close contact with the inner wall of the cylinder, and he CKSS in the middle, is provided on the inner periphery with a thick partition wall, by means of which he is above the extended portion (54) at the lower end an insert (31 ") attached to the lower end of the piston (5) is attached so that when the piston is depressed, the valve body moves upwards and opens a side opening (35) which is connected to a middle "channel (5 ') in the piston (5) is connected and a liquid to be atomized can be atomized through an atomizer nozzle in the atomizer) push button, and when the piston is pushed up, the valve body si ch can move downwards and the side opening (35) closes and the liquid to be atomized is sucked into the cylinder. 009 832/0057