EP0806249B1 - Pompe à main - Google Patents

Pompe à main Download PDF

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Publication number
EP0806249B1
EP0806249B1 EP97107573A EP97107573A EP0806249B1 EP 0806249 B1 EP0806249 B1 EP 0806249B1 EP 97107573 A EP97107573 A EP 97107573A EP 97107573 A EP97107573 A EP 97107573A EP 0806249 B1 EP0806249 B1 EP 0806249B1
Authority
EP
European Patent Office
Prior art keywords
pump
shaft
housing
piston
pump housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP97107573A
Other languages
German (de)
English (en)
Other versions
EP0806249A2 (fr
EP0806249A3 (fr
Inventor
Peter Gluth
Bernhard Jasper
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aptar Dortmund GmbH
Original Assignee
Seaquist Perfect Dispensing GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seaquist Perfect Dispensing GmbH filed Critical Seaquist Perfect Dispensing GmbH
Publication of EP0806249A2 publication Critical patent/EP0806249A2/fr
Publication of EP0806249A3 publication Critical patent/EP0806249A3/fr
Application granted granted Critical
Publication of EP0806249B1 publication Critical patent/EP0806249B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
    • B05B11/1023—Piston pumps having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1059—Means for locking a pump or its actuation means in a fixed position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1042—Components or details
    • B05B11/1059—Means for locking a pump or its actuation means in a fixed position
    • B05B11/106—Means for locking a pump or its actuation means in a fixed position in a retracted position, e.g. in an end-of-dispensing-stroke position

Definitions

  • the invention relates to a manually operated pump for dispensing Liquids, especially washing lotions for cleaning of the human body, with one between one Rest position and actuation position movable dispenser head and means for preventing movement of the dispenser head both in the rest position and in the actuation position according to the preamble of claim 1.
  • a hand-operated pump of this type is from the European Patent application 95 10 5385.9 or known from US-A-5 405 057.
  • a typical, hand-operated pump consists of a pump housing with a pump cylinder for receiving of a reciprocating piston in the pump cylinder is slidably arranged.
  • the pump is with a suction pipe provided and can be on a container for sucking in the Containers containing liquid are attached.
  • On Pump shaft extends from the pump housing and is with connected to the piston, with a spring the piston and the Pump shaft in the direction of the extended rest position of the Pump shaft holds under tension.
  • the dispenser head is open attached to the pump shaft.
  • a plurality of one-way valves is arranged inside the pump housing so that the Liquid in the container from the discharge opening through back and forth Moving the dispenser head between the rest position and the operating or working position can be given.
  • a locking device is provided with which the Pump shaft is lockable to dispense the liquid from the pump during transport or the like. to prevent. There is a lock both in the rest position and in the working position of the pump shaft possible.
  • the locking device is in the pump housing arranged. The manufacturer therefore has the choice of using the product the dispenser head either in the rest position or in the Send actuation position.
  • the object of the invention is to provide a hand-operated pump to improve the genus described above in that the liquid contained in the container or already in the Existing liquid residues in front of a pump cylinder Contamination or other quality loss protected are.
  • the invention solves this problem by the claim 1 included features.
  • Fig. 1 is a central longitudinal section of a hand-operated pump 10 with a dispenser head 60, which is in an extended Rest or home position, with 61 as a Splash water protection provided, permanent coverage area between the dispenser head 60 and a pump housing 30 is designated.
  • Fig. 2 is a cross section along the line 2-2 1.
  • FIG. 3 is a central longitudinal section similar to FIG. 1, wherein the dispenser head 60 in the retracted work or Pump position is arranged so that the overlap region 61st between the dispenser head 60 and the pump housing 30 is enlarged accordingly.
  • Fig. 4 is a longitudinal cross section line 4-4 in FIG. 3.
  • the pump housing 30 has a first, outer housing end 31 and a second, inner housing end 32, with between two housing ends 31, 32 a pump cylinder 34 with a Pump cylinder wall 36 extends.
  • the pump housing 30 is with a radially outwardly extending flange 38 provided, which forms a unit with the pump housing.
  • a Ventilation opening 39 extends through the Pump cylinder wall 36 of the pump housing 30.
  • a closure 40 has a central opening 42 through which it extends through the first housing end 31 of the pump housing 30 extends.
  • the closure 40 has an internal thread 44, with which the closure 40 on an external thread Container neck in the usual and therefore not shown can be attached.
  • the first housing end 31 extends through the opening 42 of the closure 40. If that Pump housing 30 by means of the screw cap 40 on a Container is attached, the flange 38 of the Pump housing 30 on the edge of the container opening so that the pump housing 30 is sealed off from the container. It goes without saying that instead of screw fastening too any other known way of fastening the closure the container comes into question.
  • a sleeve 70 is arranged inside the pump cylinder 34, which has a cylindrical inner wall 71.
  • a cylindrical one Outer wall 72 of the sleeve 70 is annular Latching elements 74 provided with annular groove Locking elements 75 on the cylinder wall 36 of the pump housing 30 in the sense of a tight attachment of the sleeve 70 in Pump housing 30 interact.
  • a ring collar 76 is a integral part of the sleeve 70 and overlaps the first Housing end 31 of the pump housing 30. The ring collar 76 holds also the closure 40 between the flange 38 and the Ring collar 76 in position.
  • the connection of a plurality this provided at an axial distance, annular bead or annular groove-shaped locking elements 74 and 75 of the sleeve 70 and the Pump housing 30 is axially adjustable.
  • the sleeve 70 extends in Fig. 1 with one from the Pump housing 30 protruding cylindrical end 73 over the ring collar 76 outwards or upwards in the direction of the dispenser head 60 and at a radial distance between the inner wall 71 of the sleeve 70 and the outer wall of a Pump shaft 50 to form a cylindrical annulus or gap 25.
  • the pump shaft 50 has a first shaft end 51 that extends out the pump housing 30 extends out, and a second Shaft end 52 that extends into the pump housing 30 extends.
  • An axial through channel 54 connects the two open shaft ends 51, 52 of the pump shaft 50.
  • the first Shank end 51 carries the dispenser head 60, which has an outlet opening 62 which, with the through channel 54 of the Pump shaft 50 is connected.
  • the first shaft end 51 engages in a provided with a through opening 64, tubular connecting piece 63 on the pump housing 30 facing underside of the dispenser head 60 preferably with Friction fit.
  • the through opening 64 is with the Outlet opening 62 through an outlet channel 62A of the Dispenser head 60 connected.
  • the tubular connecting piece 63 is at a radial distance to form a free, cylindrical space 67 surrounded by a cylindrical sealing cap 65, which is in Direction of the pump housing 30 coaxial with the pump shaft 50 beyond the lower end of the connecting piece 63 extends below.
  • This cap 66 of the dispenser head 60 is slightly larger than the outer diameter of the outer end 73 of the sleeve 70 so that the sealing cap 65 the outer Sleeve end 73 not only in the upper one shown in FIG. 1 Starting or rest position of the pump shaft 50 and the Dispenser head 60, but in the same stroke position sealed and slidably covered.
  • the cylindrical gap 67 between the Connection piece 66 and the sealing cap 65 of the Dispenser head 60 is the cross section of outer end 73 of FIG Sleeve 70 adapted accordingly, such that the Interspace 67 a downwardly open guide channel 68 for forms the upper sleeve end 73 in the pump head 60.
  • the Connection piece 66 can in the pump stroke end position into an opening 69 of the outer end 73 of the sleeve Intervene 760.
  • the space 67 between the connecting piece 66 and the Sealing cap 65 of the dispenser head 60 is the cross section of the outer end 73 of the sleeve 70 adapted approximately accordingly, such that the space 67 a guide channel 68 in Pump head 60 forms and the connecting piece 66 in the area the pump stroke end position in an opening 69 of the outer end 73 of the sleeve 70 can engage.
  • a suction pipe 78 is in a receiving opening by means of a friction fit 79 in the second, lower housing end 32 of the pump housing 30 attached.
  • the suction pipe 78 provides the liquid adhesive connection between the liquid contained in the container and the Pump cylinder 34 of the pump housing 30 ago.
  • a first one-way valve 80 is near the second housing end 32 of the pump housing 30 arranged to make the liquid flow out the container only in the pump cylinder 34 of the pump housing 30 to allow.
  • the first one-way valve 80 includes one Valve seat 82, which is shown as a cylindrical valve seat is and forms a unit with the pump housing 30, and a movable valve 84 for sealing the valve seat 82.
  • the valve 84 is designed here as a ball valve.
  • a spring 90 biases the valve 84 sealing against the valve seat 82.
  • the spring 90 is one Coil spring with a first section 91, a second Section 92 and an intermediate section 93.
  • the Intermediate section 93 of the coil spring 90 has compared to the second portion 92 of coil spring 90 a smaller one Diameter.
  • the diameter of the second section 92 is sufficient out to a linear movement of the valve 84 within the to enable the second section 92 of the spring 90.
  • the Diameter of the intermediate portion 93 of the spring 90 is small enough to capture valve 84.
  • the second Section 92 of spring 90 holds valve 84 in the second Section 92 of spring 90 while intermediate section 93 the spring 90 sealing the valve 84 against the valve seat 82 preloaded.
  • the second shaft end 52 of the pump shaft 50 has a narrower shaft end 100 that the first portion 91 of the spring 90 for biasing the pump shaft 50 in whose rest position takes up.
  • the passage channel 54 of the pump shaft 50 ends in the area a plurality of input openings 101, 102, 103 to the Through channel 54, which in a shaft recess 106 near the second shaft end 52 of the pump shaft 50 are arranged.
  • the shaft recess 106 is between a one diameter 108D having annular shaft bead 108 of the Pump shaft 50 and a shaft shoulder 109 arranged.
  • First and second shaft valve seats 111 and 112 are in the Pump shaft 50 is provided.
  • the first shaft valve seat 111 is from the shaft shoulder 109 of the pump shaft 50 educated.
  • the second shaft valve seat 112 consists of the Ring bead 108 of the pump shaft 50.
  • a piston 120 is inside the pump cylinder 34 of the Pump housing 30 slidably arranged and therefore divided the pump cylinder 34 in two halves, namely a first, upper pump cylinder 34A and a second, lower Pump cylinder 34B.
  • the piston 120 essentially has one rigid, cylindrical part 122 with a central opening 124.
  • An annular shoulder of the piston 120 extends into the central opening 124 and has an inner shoulder diameter 126D.
  • First and second piston valve surfaces 128 and 129 are arranged on the piston 120 and each act with the first and second shaft valve seats 111 and 112 together.
  • the first piston valve surface 128 consists of a Inner surface of the essentially rigid piston part 122, while the second piston valve surface 129 from the annular bead 108 of the piston 120 is formed.
  • a first and second sealing jacket 131 and 132 form with the piston 120 a unit by means of an annular Piston carrier 134.
  • the first and second sealing sleeves 131, 132 are tapered toward their ends 131A and 132A, which abut friction against the pump cylinder wall 36 and a Sliding seal between the piston 120 and the inner one Form cylinder wall 36 of the pump cylinder 34.
  • the outside diameter of the annular shaft diameter 108D of the stem 108 is slightly larger than that Inner diameter of the ring shoulder diameter 126D Piston 120 piston ring shoulder 126.
  • a second one-way valve 140 includes the first and second Shaft valve seats 111 and 112 of the pump shaft 50, which with the first and second piston valve surfaces 128 and 129 of the Piston 120 interact.
  • the piston 120 is within the Shaft recess 106 of the pump shaft 50 is displaceable mounted so that the first and second shaft valve seats 111 and 112 of the pump shaft 50 each against the first and second piston valve surfaces 128 and 129 of piston 120 can put on. If the piston 120 within the Shaft recess 106 of the pump shaft 50 slides, the Piston 120 the inlet openings 101-103 of the through channel 54 either cover or expose to the Open liquid connection to the passage 54 or close.
  • the first piston valve surface 128 of the piston 120 forms a sliding seal against the first Shaft valve seat 111.
  • the spring 90 is tensioned the second shaft valve seat 112 of the pump shaft 50 in Bearing against the second piston valve surface 129 of the piston 120 forward to the flow of liquid 12 from the second Pump cylinder 34B in the shaft channel 54 of the pump shaft 50 to prevent. If the dispenser head 60 is replaced by a Operator in the direction of the retracted pump position is moved, the friction fit between the outer immobilized Ends 131A, 132A of the first and second sealing sleeves 131, 132 and the pump cylinder wall 36 initially the piston 120 in with respect to the pump housing 30.
  • the second Shaft valve seat 112 of the pump shaft 50 from the second Piston valve surface 129 of the piston 120 is adjusted so that the Liquid between the second pump cylinder 34B and the Shaft channel 54 of the pump shaft 50 can flow.
  • a continuous movement of the pump shaft 50 with respect to the Piston 120 causes the first shaft valve seat 111 of the Pump shaft 50 slidably the first piston valve surface 128 of the piston 120 seals to prevent the Liquid 12 from the pump cylinder 34B into the first Pump cylinder 34A flows.
  • the spring 90 moves the pump shaft 50 in the direction of the extended position according to FIG. 1.
  • the friction fit between the outer ends 131A and 132A of the first and second Sealing sleeves 131 and 132 and the pump cylinder wall 36 Again, initially immobilizes piston 120 with respect to the pump housing 30.
  • the first shaft valve seat seals 111 of the pump shaft 50, the first piston valve surface 128 of the Piston 120 slidably to prevent the Liquid between the second pump cylinder 34B and the Shaft channel 54 of the pump shaft 50 flows.
  • FIG. 5 and 6 show the operation of the pump 10.
  • Fig. 5 shows the Pump shaft 50 in motion to the second housing end 32 of the Pump housing 30 by the external force of an operator
  • 6 shows the pump shaft 50 on its return to the first housing end 31 of the pump housing 30 below Exposure of the spring 90 represents.
  • the second Shaft valve seat 112 is from the second piston valve surface 129 for opening the inlet openings 101-103 of the shaft channel adjusted and the first shaft valve seat 111 holds the Sliding seal with respect to the first piston valve surface 128 upright to prevent the liquid from coming out second pump cylinder 34B into the first pump cylinder 34A flows.
  • the first one-way valve 80 remains closed Position, with the movable valve 84 the valve seat 82nd seals.
  • the movement of the pump shaft 50 to the second housing end 32 of the pump housing 30 reduces the volume of the second Pump cylinder 34B to hold liquid within the second Pump cylinder 34B in the shaft channel 54 of the pump shaft 50 to pump, as shown by the arrows in Fig. 5.
  • the Liquid becomes the first shaft end 51 and through the Exit channel 62A for delivery from exit opening 62 pumped.
  • the piston 120 sets the Ventilation opening 39 free through the Pump cylinder wall 36 of the pump housing 30 extends.
  • the Ventilation opening 39 enables the container 20 to be ventilated from the atmosphere along the annulus 25 between the Pump shaft 50 and the pump cylinder wall 36 and inner wall 71 the sleeve 70.
  • Fig. 6 shows the pump shaft 50 on its return to the first housing end 31 of the pump housing 30 under the action the spring 90.
  • the pump shaft 50 moves to first housing end 31 of the pump housing 30 and the Pump shaft 50 moves with respect to piston 120 first shaft valve seat 111 holds a sliding seal opposite the first piston valve surface 128 upright and closes the Entry openings 101, 103 of the shaft channel.
  • the second Shaft valve seat 112 moves against the second in abutment Piston valve surface 129, so that the Liquid from the pump cylinder 34B into the shaft channel 54 of the pump shaft 50 flows. If the Movement of the pump shaft 50 covered the piston 120 Ventilation opening 139, which extends through the Pump cylinder wall 36 of the pump housing 30 extends.
  • the movement of the pump shaft 50 to the first housing end 31 of the pump housing 30 increases the volume of the second Pump cylinder 34B so that the internal pressure prevailing therein is reduced.
  • the reduced internal pressure in the second Pump cylinder 34B causes the movable valve 84 to move releases from the sealing system on the valve seat 82 in order to open first one-way valve 80.
  • the open, first One-way valve 80 allows the liquid in the container 20 through the suction pipe 78 into the second pump cylinder 34B penetrates as shown by arrows in Fig. 6.
  • the pump 10 includes a locking device 150 for locking the Dispenser head 60 in the extended position according to FIGS. 1 and to lock the dispenser head 60 in the pump stroke end position in Fig. 3.
  • the locking device 150 includes first and second Locking cams 151 and 151A that extend from the pump shaft 50 extend radially outward.
  • the locking device 150 includes further first and second lock blocks 161 and 161A, which are in with respect to the pump cylinder 34 of the pump housing 30 radially extend outwards.
  • the first and second lock blocks 161 and 161A extend from the cylindrical wall 71 of FIG inner sleeve 70 radially inward.
  • FIG. 7 is an isometric view partially broken away a part of the inner sleeve 70 in Fig. 2 showing the first lock block 161, the second lock block 161A one is a mirror image of the same.
  • the first Lock block 161 forms a first and a second Lock block area 171 and 172.
  • Each of the first and second Lock blocks 161 and 161A extend circumferentially over an angle of approximately 90 ° around the inner sleeve 70 first and second gaps 201 and 202 are between the first and second lock blocks 161 and 161A.
  • First stops 181 and 181A extend radially inward and axially in the direction of the first housing end 31 of the Pump housing 30 to limit the rotation of the Pump shaft 50 when the dispenser head 60 is in the outstanding position.
  • Second stops 182 and 182A extend radially inward and axially in the direction of the second housing end 32 of the pump housing 30 for Limiting the rotation of the pump shaft 50 when the Dispenser head 60 is in the retracted position.
  • FIG. 8 is an isometric view partially broken away a part of a pump shaft 50 in Fig. 2 with a Representation of the first and second locking cams 151 and 151A, that extend radially outward from the pump shaft 50.
  • the first and second locking cams 151 and 151A serve to through the first and second spaces 201 and 202 move therethrough to the first and second lock blocks 161 and 161A to avoid.
  • Fig. 9 is a cross section along line 9-9 in Fig. 1, wherein the pump shaft 50 is arranged in an operating position, which enables the liquid to be dispensed from the container 20.
  • 10 is a central longitudinal section along line 10-10 in Fig. 9, while Fig. 11 is a partially broken away, 9 isometric top view.
  • the dispenser head 60 is shown rotated, the first and second locking cams 151 and 151A of the pump shaft 50 the direction of escape to the first and second locking blocks 161 and 161A are moved out.
  • the first and second locking cams 151 and 151A are in alignment with the first and second Spaces 201 and 202 shown so that the first and second locking cams 151 and 151A through the first and second Spaces 201 and 202 are moved through can.
  • the Pump shaft 50 between the extended position and the retracted position to be moved back and forth to the Liquid from the container 20 through the outlet opening 62 to pump.
  • Fig. 12 is a cross section similar to Fig. 9, wherein the Pump shaft 50 is locked in the extended position to prevent movement of the dispenser head 60.
  • Figure 13 is 12 shows a central longitudinal section along the line 13-13 in FIG. 12, 14 is a partially broken, isometric Top view of Fig. 12 is.
  • the dispenser head 60 is rotated in the extended position shown, the first and second locking cams 151 and 151A of the pump shaft 50 with the first and second locking blocks 161 and 161A is aligned.
  • the first and second Locking cams 151 and 151A are compared to the first Lock block surfaces 171 and 171A are shown aligned movement of the dispenser head 60 toward the second housing end 32 to prevent the pump housing 30.
  • the first stops 181 and 181A limit clockwise rotation in FIG Fig. 12 after the first and second locking cams 151 and 151A of the pump shaft 50 to the first stops 181 and 181A are struck.
  • the first and second locking cams 151 and 151A of the pump shaft 50 are one for the sake of clear representation in the various figures of the Drawings as of the first stops 181 and 181A shown adjusted.
  • first and second Locking cams 151 and 151A opposite the first and second gaps 201 and 202 are aligned, the first and second Locking cams 151 and 151A through the first and second Gaps 201 and 202 are moved through so that the Pump shaft 50 can be moved back and forth to the Liquid from the container 20 through the outlet opening 62 to pump.
  • Fig. 15 is a cross section similar to Fig. 9, wherein the Pump shaft 50 is locked in the retracted position to prevent movement of the dispenser head 60.
  • Figure 16 is 14 shows a central longitudinal section along the line 16-16 in FIG. 15, while Fig. 17 is a partially broken, isometric 15 is a bottom view.
  • the dispenser head 60 is rotated in the retracted position shown, the first and second locking cams 151 and 151A of the pump shaft 50 with respect to the first and second Lock blocks 161 and 162 are aligned.
  • the first and second locking cams 151 and 151A are opposite to the second Blocking areas 172 and 172A are shown aligned to one Movement of the dispenser head 60 towards the first Prevent housing end 31 of the pump housing 30.
  • the second stops 182 and 182A limit rotational movement in Clockwise direction in Fig. 12-14 after the first and second Locking cams 151 and 151A of the pump shaft 50 each on the second stops 182 and 182A are struck.
  • first and second locking cams 151 and 151A of the pump shaft 50 abut the second stops 182A and 182, to the counterclockwise rotation of the Limit pump shaft 50 and the first and second Locking cams 151 and 151A with the first and second Align spaces 201 and 202. If the first and second locking cams 151 and 151A compared to the first and second spaces 201 and 202 are aligned the first and second locking cams 151 and 151A through the first and second spaces 201 and 202 moved through so that the pump shaft 50 is moved back and forth can to get the liquid out of the container through the To pump outlet opening 62.
  • the pump according to the invention prevented by the described Coverage area 61 between the dispenser head 60 and the outer sleeve end 73 in any position of the pump shaft 50 penetration of foreign substances or liquids from the outside leading to a reduction in quality or Contamination of the container equipped with the pump contained liquid can lead.
  • the rest remains maintain the functionality of the pump, which is easy either in the extended starting position or in the lock the retracted pump stroke end position.

Landscapes

  • Closures For Containers (AREA)
  • Reciprocating Pumps (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Claims (3)

  1. Pompe manuelle pour la distribution d'un liquide contenu dans un récipient, comprenant:
    un corps de pompe (30) avec une première et une seconde extrémités de corps (31, 32) et un cylindre de pompe (34) s'étendant à travers le corps de pompe (30);
    un dispositif de fixation (40, 44) pour la fixation du corps de pompe (30) sur le récipient ;
    un tube plongeur (78) qui est fixé à la deuxième extrémité de corps (32) du corps de pompe (30);
    un premier clapet unidirectionnel (80), qui est disposé entre le tube plongeur (78) et le cylindre de pompe (34);
    un piston (120) qui est monté déplaçable de manière étanche dans le cylindre de pompe (34) du corps de pompe (30);
    une tige de pompe (50), qui est relié au piston (120) et qui comprend une première et une seconde extrémités de tige (51, 52), entre lesquels s'étend un canal de passage (54), la première extrémité de tige (51) qui fait saillie hors du corps de pompe (30) supportant une tête de distribution (60) pourvue d'un orifice de sortie (62) et la deuxième extrémité de tige (52) étant disposée à l'intérieur du corps de pompe (30) et étant reliée de manière axialement déplaçable avec le piston (120);
    un ressort (90) qui sollicite dans le corps de pompe (30) le piston (120) en direction d'une position de repos étendue de la tige de pompe (50);
    un second clapet unidirectionnel (140) qui est formé par la seconde extrémité de tige (52) de la tige de pompe (50) et le piston (120) déplaçable par rapport à la tige de pompe (50) et qui est monté dans le passage d'écoulement entre le cylindre de pompe (34) et le canal de passage (54) de la tige de pompe (50) ;
    une douille (70), qui est disposée dans le cylindre de pompe (34) du corps de pompe (30);
    un dispositif de verrouillage (150), qui comprend au moins un des ergots de verrouillage (151, 151a) qui font saillie radialement vers l'extérieur à partir de la tige de pompe (50) et au moins un des blocs de verrouillage (161, 161a) faisant saillie radialement vers l'intérieur à partir de la douille (70), la tige de pompe (50) étant déplaçable depuis sa position de repos dans une position de fin de course de pompe axialement dans un sens et dans l'autre, et rotative dans sa position de repos étendue hors du corps de pompe (30) ainsi que dans sa position de fin de course de pompe enfoncée dans le corps de pompe (30) dans une position de verrouillage axiale,
    caractérisé en ce que
    la tête de distribution (60) est pourvue d'un capot d'étanchéité (65) qui recouvre à coulissement étanche une extrémité (73) de la douille (70) qui fait saillie hors du corps de pompe (30) en toute position de la tige de pompe (50) pour former une zone de recouvrement permanente (61).
  2. Pompe selon la revendication 1, caractérisée en ce que le capot d'étanchéité (65) de la tête de distribution (60) entoure avec un espacement radial un manchon de raccordement (66), qui fait saillie à partir de la face inférieure de la tête de distribution (60) et qui est pourvu d'une ouverture de passage (64) qui est reliée par un canal de sortie (62a) de la tête de distribution (60) avec son ouverture de sortie (62).
  3. Pompe selon la revendication 2, caractérisée en ce que l'espace intermédiaire (67) entre le manchon de raccordement (66) et le capot d'étanchéité (65) de la tête de distribution (60) correspond environ à la section de l'extrémité supérieure (73) de la douille (70) de telle sorte que l'espace intermédiaire (67) forme un canal de guidage (68) dans la tête de pompe (60) et le manchon tubulaire (66) peut pénétrer dans l'ouverture (69) de l'extrémité extérieure (73) de la douille (70) au niveau de la position de fin de course de pompe.
EP97107573A 1996-05-09 1997-05-07 Pompe à main Expired - Lifetime EP0806249B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19618711A DE19618711B4 (de) 1996-05-09 1996-05-09 Handbetätigte Pumpe
DE19618711 1996-05-09

Publications (3)

Publication Number Publication Date
EP0806249A2 EP0806249A2 (fr) 1997-11-12
EP0806249A3 EP0806249A3 (fr) 1998-08-12
EP0806249B1 true EP0806249B1 (fr) 2000-10-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP97107573A Expired - Lifetime EP0806249B1 (fr) 1996-05-09 1997-05-07 Pompe à main

Country Status (2)

Country Link
EP (1) EP0806249B1 (fr)
DE (2) DE19618711B4 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10351288B3 (de) * 2003-10-31 2005-07-21 Seaquist Perfect Dispensing Gmbh Spenderpumpe
WO2010133209A1 (fr) 2009-05-20 2010-11-25 Hans-Werner Heinrich Dispositif de mélange et d'émission

Families Citing this family (12)

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DE69720641T2 (de) 1996-10-23 2004-04-08 Konica Corp. Verfahren zur Aufzeichnung und Wiedergabe eines optischen Aufzeichnungsträgers, Objektivlinse sowie Herstellungsmethode der Objektivlinse
US6045008A (en) * 1998-04-30 2000-04-04 Calmar-Monturas, S.A. Fluid pump dispenser
ES2152814B1 (es) * 1998-04-30 2001-08-16 Saint Gobain Calmar Sa Dispensador de fluidos.
DE19922340C1 (de) * 1999-05-14 2001-01-25 Seaquist Perfect Dispensing Handbetätigte Pumpe
DE50009527D1 (de) 1999-05-14 2005-03-24 Seaquist Perfect Dispensing Handbetätigte Pumpe
DE10007638A1 (de) 2000-02-19 2001-08-23 Pfeiffer Erich Gmbh & Co Kg Spender für Medien
EP1266696A1 (fr) * 2001-06-13 2002-12-18 Taplast S.p.A. Pompe à soufflet pour la distribution de mélanges gaz-liquide
GB2394941B (en) * 2002-11-04 2005-02-16 Kimberly Clark Co Viscous liquid dispensing pump
DE102007001777A1 (de) 2007-01-05 2008-07-10 Beiersdorf Ag Handpumpe mit Bypass zur direkten Entnahme eines Fluids
IT1397007B1 (it) 2009-12-15 2012-12-20 Emsar Spa Dispenser
CN104307663A (zh) * 2014-07-14 2015-01-28 李先强 一种手持液体按压喷射器
CN116060270A (zh) * 2021-11-01 2023-05-05 苏州卓兆点胶股份有限公司 用于中高粘度胶水的点胶方法

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CS235119B1 (en) * 1981-12-16 1985-05-15 Miloslav Sorm Double-acting mechanical pump for liquid sprayers
IT8221773V0 (it) * 1982-05-04 1982-05-04 Sar Spa Pompetta a mano con cappuccio erogatore vincolabile in posizione abbassata, per l'erogazione di sostanze fluide.
WO1985002563A1 (fr) * 1983-12-14 1985-06-20 Schotte, Werner Pompe pulverisatrice avec raccord de recipient
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DE10351288B3 (de) * 2003-10-31 2005-07-21 Seaquist Perfect Dispensing Gmbh Spenderpumpe
WO2010133209A1 (fr) 2009-05-20 2010-11-25 Hans-Werner Heinrich Dispositif de mélange et d'émission
DE102009022211A1 (de) 2009-05-20 2010-12-02 Heinrich, Hans-Werner, Prof. Dr. Misch- und Abgabevorrichtung

Also Published As

Publication number Publication date
EP0806249A2 (fr) 1997-11-12
EP0806249A3 (fr) 1998-08-12
DE19618711A1 (de) 1997-11-13
DE59702420D1 (de) 2000-11-09
DE19618711B4 (de) 2004-09-23

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