WO2020140514A1 - Pompe à émulsion - Google Patents

Pompe à émulsion Download PDF

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Publication number
WO2020140514A1
WO2020140514A1 PCT/CN2019/108974 CN2019108974W WO2020140514A1 WO 2020140514 A1 WO2020140514 A1 WO 2020140514A1 CN 2019108974 W CN2019108974 W CN 2019108974W WO 2020140514 A1 WO2020140514 A1 WO 2020140514A1
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WO
WIPO (PCT)
Prior art keywords
emulsion pump
spring
cylinder
elastic
seat
Prior art date
Application number
PCT/CN2019/108974
Other languages
English (en)
Chinese (zh)
Inventor
丁要武
Original Assignee
丁要武
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 丁要武 filed Critical 丁要武
Priority to KR1020217024229A priority Critical patent/KR20210134897A/ko
Publication of WO2020140514A1 publication Critical patent/WO2020140514A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/24—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge with poppet valves or lift valves, i.e. valves opening or closing a passageway by a relative motion substantially perpendicular to the plane of the seat
    • 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
    • B05B11/1073—Springs
    • B05B11/1077—Springs characterised by a particular shape or material
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K5/00—Holders or dispensers for soap, toothpaste, or the like
    • A47K5/06—Dispensers for soap
    • A47K5/12—Dispensers for soap for liquid or pasty soap
    • A47K5/1202—Dispensers for soap for liquid or pasty soap dispensing dosed volume
    • A47K5/1204—Dispensers for soap for liquid or pasty soap dispensing dosed volume by means of a rigid dispensing chamber and pistons
    • A47K5/1205—Dispensing from the top of the dispenser with a vertical piston
    • 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
    • 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
    • B05B11/1073—Springs
    • B05B11/1074—Springs located outside pump chambers

Definitions

  • the invention relates to an emulsion pump, in particular to an all-plastic emulsion pump.
  • Emulsion pumps are widely used in daily chemical products such as hand sanitizers, shower gels, etc., for pumping products out of containers such as bottles for use.
  • Most of the lotion pumps currently on the market have metal springs. After the user presses the lotion pump to pump a certain amount of product from the container for use, the metal spring can reset the lotion pump for the next time. use.
  • plastic springs include plastic thread springs, plastic bow springs, bellows springs, and so on.
  • plastic springs there are some problems with plastic springs. For example, when the plastic springs are compressed for a long time, they will yield and deform, causing the elastic force of the plastic springs to decay until the spring action cannot be achieved.
  • one solution is to set the all-plastic emulsion pump in the form of an upper lock and make the plastic spring in a free and uncompressed state when the emulsion pump is not in use. .
  • FIG. 29 An exemplary emulsion pump with a plastic spring is shown in FIG. 29.
  • the emulsion pump 1 has a pressure head 10, a mouthpiece 20, a cylinder 30, and a piston rod 40.
  • One end of the spring 50 is connected to the piston 40, and the other end is connected to the cylinder 30.
  • the piston rod 40 moves downward accordingly, thereby compressing the spring 50, and when the pressure applied to the indenter 10 is removed, the indenter 10 is reset by the elastic force of the spring 50.
  • the emulsion pump 1 shown in FIG. 29 is an emulsion pump in the form of an upper lock.
  • the indenter 10 When it is in a non-use state, for example, during the transportation and display of the product, the indenter 10 is at the highest point of its stroke, so that The spring 50 is in a state where the compressive force is relatively small, so that the spring 50 will not be deformed due to compression when it is not in use, resulting in yield deformation and failure.
  • the above emulsion pump is an upper lock type emulsion pump.
  • the emulsion lock pump it is sometimes difficult to meet the packaging requirements of e-commerce transportation, and the emulsion lock pump of the upper lock has a relatively high height in the initial unused state, which also has a relatively high carton height, shelf height, etc. High demands.
  • the present invention is made to solve the above-mentioned problems of the prior art emulsion pump.
  • An object of the present invention is to provide an emulsion pump with an improved structure, which has a compact structure. Further, the emulsion pump can realize the lower lock. Thus, to meet the needs of e-commerce transportation.
  • the emulsion pump of the present invention includes a movable part and a fixed part, wherein the movable part includes an indenter, a piston rod, and a piston, wherein the piston rod is connected to the lower part of the indenter, and a piston is provided on the piston rod, and the fixed part includes a mouthpiece and a cylinder , Where the cylinder is connected to the mouthpiece, and at least the part of the piston rod where the piston is provided extends into the cylinder, wherein the emulsion pump further includes: an elastic reset mechanism, one end of the elastic reset mechanism is in contact with or connected to the movable portion, elastic The other end of the reset mechanism is fixed to the fixed portion, wherein the elastic reset mechanism includes at least one elastic strip, the shape of the elastic strip is configured to extend around at least a portion of the outer periphery of the cylinder when viewed along the axial direction of the emulsion pump .
  • the structure of the emulsion pump of the present invention especially the structure of the portion below the mouthpiece including the spring is more compact, thereby further facilitating the transportation and storage of the product.
  • the elastic reset mechanism further includes: a ring-shaped spring upper seat, the upper end of the elastic strip is connected to the spring upper seat, and/or a ring-shaped spring lower seat, the lower end of the elastic strip is connected to the spring lower seat.
  • the elastic strip is connected to the upper spring seat and/or the lower spring seat via a pivoting portion, wherein the pivoting portion pivots and folds when the elastic return device is compressed.
  • a first guide groove is formed on the inner side of the spring upper seat and one of the cylinders, and a first guide bar, a first guide groove and a first guide bar are formed on the inner side of the spring upper seat and the other one of the cylinders Cooperate; and/or a second guide groove is formed on the inner side of the lower spring seat and one of the cylinders, and a second guide bar, a second guide groove and the second guide groove are formed on the inner side of the lower spring seat and the other one of the cylinders The second guide bar cooperates.
  • the lower part of the cylinder is provided with a reversed part, and the reversed part fixes the spring lower seat of the elastic reset mechanism.
  • the emulsion pump of the present invention may further include a switching mechanism, the switching mechanism is configured to cooperate with the elastic reset mechanism so that when the pressure head is rotated and/or moved upward in the first direction, one end of the elastic reset mechanism Move to the first position in the direction of the other end of the elastic reset mechanism, thereby compressing the elastic reset mechanism to put the elastic reset mechanism into a standby state, and when the indenter rotates in a second direction opposite to the first direction and/or moves downward At this time, one end of the elastic reset mechanism moves to the second position in a direction away from the other end of the elastic reset mechanism, so that the elastic reset mechanism enters a non-standby state.
  • the switching mechanism is configured to cooperate with the elastic reset mechanism so that when the pressure head is rotated and/or moved upward in the first direction, one end of the elastic reset mechanism Move to the first position in the direction of the other end of the elastic reset mechanism, thereby compressing the elastic reset mechanism to put the elastic reset mechanism into a standby state, and when the indenter rotates in
  • the elastic reset mechanism can be switched between the applicable state and the non-applicable state, and in the non-use state, the elastic reset mechanism can be compressed little or not.
  • This structure is particularly advantageous for plastic springs, which can extend its service life.
  • FIG. 1 is a side view of an emulsion pump of the first embodiment of the present invention.
  • FIG. 2 is a partial cross-sectional view of the emulsion pump shown in FIG. 1, showing the internal structure of the emulsion pump.
  • FIG. 3 is a partial perspective view of the emulsion pump shown in FIG. 1, which includes the piston rod, spring and support seat of the emulsion pump.
  • FIG. 4 shows a cross-sectional view of the emulsion pump shown in FIG. 1, wherein the emulsion pump is in a locked state.
  • FIG. 5 shows another cross-sectional view of the emulsion pump shown in FIG. 1, wherein the emulsion pump is in a standby state.
  • FIG. 6a to 6d show the support base of the emulsion pump shown in FIG. 1, wherein FIG. 6a is a cross-sectional view of the support base, FIG. 6b is another cross-sectional view of the support base, FIG. 6c is a top view of the support base, and FIG. 6d is the support base Perspective view.
  • FIG. 7a and 7b show the piston rod of the emulsion pump shown in FIG. 1, wherein FIG. 7a is a side view of the piston rod 150, and FIG. 7b is a front view of the piston rod.
  • Figures 8a to 8c show perspective views of the interaction of the bearing seat and the piston rod, wherein in Figure 8a, the bearing seat is in a first position relative to the piston rod, and in Figure 8b, the bearing seat is moved in a second position relative to the piston rod And in Fig. 8c, the support base has reached the second position.
  • FIG. 9a-9f show the spring of the emulsion pump shown in FIG. 1, wherein FIG. 9a is a front view of the spring, FIG. 9b is a perspective view of the spring, FIG. 9c is a top view of the spring, FIG. 9d is a bottom view of the spring, and FIG. 9e A schematic diagram of the state where the spring surrounds the cylinder is shown, and FIG. 9f shows a cross-sectional view taken along line AA in FIG. 9e.
  • FIG. 10 is a front view of the cylinder of the emulsion pump shown in FIG.
  • FIG. 11a and 11b show the mouthpiece of the lotion pump shown in FIG. 1, wherein FIG. 11a is a front view of the mouthpiece, and FIG. 11b is a top view of the mouthpiece.
  • FIG. 12a and 12b show cross-sectional views of an emulsion pump of a second embodiment of the present invention, where FIG. 12a shows the locked state of the emulsion pump and FIG. 12b shows the standby state of the emulsion pump.
  • FIGS. 12a and 12b show the support base of the emulsion pump shown in FIGS. 12a and 12b, wherein FIG. 13a is a top view of the support base, FIG. 13b is a cross-sectional view of the support base, FIG. 13c is another cross-sectional view of the support base, and FIG. 13d It is a perspective view of the support base.
  • FIGS. 12a and 12b show the piston rod of the emulsion pump shown in FIGS. 12a and 12b, wherein FIG. 14a is a front view of the piston rod and FIG. 14b is a perspective view of the piston rod.
  • Figures 15a and 15b show perspective views of the interaction of the bearing seat and the piston rod, where in Figure 15a the bearing seat is in a first position relative to the piston rod, and in Figure 15b the bearing seat is in a second position.
  • FIG. 16a and 16b show cross-sectional views of an emulsion pump of a third embodiment of the present invention, where FIG. 16a shows the locked state of the emulsion pump and FIG. 16b shows the standby state of the emulsion pump.
  • Fig. 17 is a partially enlarged view of part A in Fig. 16b.
  • Figure 18a shows a cross-sectional view of an emulsion pump of a fourth embodiment of the invention.
  • Fig. 18b shows a perspective view of the emulsion pump shown in Fig. 18a.
  • FIG. 19a and 19b show cross-sectional views of an emulsion pump of a fifth embodiment of the present invention, where FIG. 19a shows the locked state of the emulsion pump and FIG. 19b shows the standby state of the emulsion pump.
  • Fig. 20 shows a side view of the head of the emulsion pump in Figs. 19a and 19b.
  • Figure 21 shows a cross-sectional view of the piston rod of the emulsion pump of Figures 19a and 19b.
  • FIG. 22 shows a cross-sectional view of the piston of the emulsion pump of FIGS. 19a and 19b.
  • FIG. 23 shows a sectional view of the piston rod of FIG. 21 and the piston of FIG. 22 assembled together.
  • FIG. 24 shows a cross-sectional view of a piston rod in an emulsion pump with a modified structure.
  • Fig. 25a shows a top view of the sleeve in the emulsion pump of the deformed structure.
  • Figure 25b shows a cross-sectional view of the sleeve of Figure 25a.
  • FIG. 26 shows a cross-sectional view of the piston in the emulsion pump of this modified structure.
  • FIG. 27 shows a sectional view of the piston rod, the sleeve and the piston in FIGS. 24 to 26 assembled together.
  • FIG. 28a and 28b show cross-sectional views of an emulsion pump of a sixth embodiment of the present invention, where FIG. 28a shows the locked state of the emulsion pump and FIG. 28b shows the standby state of the emulsion pump.
  • Figure 29 shows a cross-sectional view of a prior art emulsion pump.
  • FIG. 1 to 11b show an emulsion pump 100 according to the first embodiment of the present invention.
  • the emulsion pump 100 is provided with a relaxation mechanism.
  • FIG. 1 shows a side view of the emulsion pump 100
  • FIG. 2 shows a partially cut perspective view of the emulsion pump 100, from which the internal structure of the emulsion pump 100 can be seen.
  • the lotion pump 100 includes an indenter 110, a mouthpiece 120, and a cylinder 130.
  • the cylinder 130 is connected to the mouthpiece 120, and an elastic reset mechanism such as a spring 140 is provided around the outer periphery of the cylinder 130 outside the cylinder 130.
  • the emulsion pump 100 further includes a piston rod 150. One end of the piston rod 150 is connected to the pressure head 110, and the other end is connected with a piston, and extends into the cylinder 130.
  • the emulsion pump 100 of the present invention further includes a support seat 160 which is disposed around the piston rod 150 in the cylinder 130, so that the upper end of the spring 140 is supported by the support seat 160, and the lower end is supported by the cylinder 130, Specifically, it is supported under the cylinder 130.
  • the pressure head 110 can drive the piston rod 150 to communicate with the piston on the piston rod 150 to move relative to the cylinder 130, the mouthpiece 120, etc.
  • the pressure head 110, the piston rod 150, and the piston on the piston rod 150 can be considered to constitute at least a part of the movable part of the emulsion pump 100, and correspondingly, the cylinder 130 and the mouthpiece 120 constitute the emulsion pump At least a portion of 100 is fixed.
  • FIG. 3 shows the connection relationship between related components that play a relaxing role in the emulsion pump 100 of the present invention.
  • 4 and 5 respectively show cross-sectional views of the emulsion pump 100 in an unused state and an open state.
  • each component of the emulsion pump 100 of the first embodiment will be described below, and on the basis of this, the interconnection and interaction between the components will be described in conjunction with FIGS. 3 to 5 to clearly describe the first The structure and operation principle of the emulsion pump 100 of the embodiment.
  • the function of the relaxation mechanism is realized through the interaction between the piston rod 150 and the support base 160.
  • the details are as follows.
  • FIGS. 6a to 6d show various views of the support base 160 of the emulsion pump 100 of the first embodiment, wherein FIGS. 6a and 6b are cross-sectional views of the support base 160 taken from different directions, and FIG. 6c is the support base 160. A top view, and FIG. 6d is a perspective view of the support base 160.
  • the shape of the support base 160 is substantially ring-shaped, which is disposed outside the piston rod 150 around the piston rod 150, or sleeved outside the piston rod 150 (see FIG. 2).
  • At least one, preferably a pair of opposed guide blocks 161 are provided on the outside of the support base 160.
  • the guide blocks 161 cooperate with the notch 131 in the cylinder 130 to limit the movement of the support base 160, which will This is described in more detail below.
  • At least one helical groove 162 is provided inside the annular body of the support base 160.
  • the support base 160 includes two spiral grooves 162 disposed oppositely.
  • on the outer peripheral surface of the piston rod 150 is provided at least one helical convex strip 151 that can match the helical groove 162, for example, as shown in FIGS. 7a and 7b Illustrated pair of spiral ridges 151.
  • an annular flange 153 is further provided above the helical convex strip 151.
  • the piston rod 150 is also provided with a lock block 152 which cooperates with a notch 121 formed on the mouthpiece 120, specifically on the top of the mouthpiece 120, to allow the indenter 110 to be in a locked state and a standby state Handover, as described in more detail below.
  • FIG. 8a to 8c are schematic perspective views showing the cooperation between the piston rod 150 and the support base 160.
  • the support base 160 can be opposite to the piston rod 150 Move down, as shown in Figure 8b.
  • the helical convex strip 151 of the piston rod 150 can be detached from the helical groove 162 of the support base 160, and the lower end surface of the helical convex strip 151 abuts on the support base 160 On the surface, as shown in Fig. 8c. In this way, the spring 140 can be brought into the compressed standby state from the non-standby state.
  • FIG. 9a-9d show various views of the spring 140, wherein FIG. 9a shows a front view of the spring 140, FIG. 9b shows a perspective view of the spring 140, FIG. 9c shows a top view of the spring 140, and 9d Then, a bottom view of the spring 140 is shown.
  • the spring 140 has a ring-shaped spring upper seat 141 and a ring-shaped spring lower seat 142, and two ends of at least one elastic bar 143 are respectively connected to the spring upper seat 141 and the spring lower seat 142.
  • the spring 140 shown in the figure includes two elastic strips 143, but those skilled in the art will know that any suitable number of elastic strips 143 may be provided as needed, for example, one elastic strip 143 or three or more elastic strips 143.
  • a pivot portion 146 may be preferably provided at the end of the elastic bar 143 connected to the upper spring seat 141 and/or the lower spring seat 142.
  • the pivoting portion 146 is in the shape of a sheet. When the spring 140 is compressed, the pivoting portion 146 can pivot and fold onto the spring upper seat 141/spring lower seat 142.
  • At least one guide groove 144 is formed inside the spring upper seat 141 of the spring 140, which cooperates with the spring guide bar 132 (see FIG. 10) formed on the outer circumferential surface of the cylinder 130, to The movement of the guide spring 140 is described in detail below.
  • a guide groove 145 may also be formed on the inner side of the spring lower seat 142 of the spring 140, so that the corresponding spring guide bar 132 on the cylinder 130 can be easily fitted.
  • the shape of the elastic strip 143 is set such that the projection of the elastic strip in the axial direction of the emulsion pump 100 is substantially arc-shaped.
  • the elastic strip 143 extends around at least a part of the outer periphery of the cylinder, as shown in FIGS. 9e and 9f. In this way, the structure of the lotion pump 100, especially the structure of the portion including the spring 140 below the mouthpiece 120 can be made more compact.
  • FIGS. 9a-9f show the preferred structure of the spring 140.
  • the structure can also be modified or some parts of the structure can be omitted.
  • the guide groove 144 and the guide groove 145 respectively provided in the spring upper seat 141 and the spring lower seat 142 may be omitted.
  • the spring 140 may not include a spring upper seat 141 and a spring lower seat 142, and each elastic bar 143 is fixed on the support seat 160 and the lower part of the cylinder 130, respectively.
  • FIG. 10 shows a front view of the cylinder 130.
  • a groove 131 is formed on the outer wall of the cylinder 130, and the guide block 161 of the support base 160 is slidably accommodated in the groove 131, so that the support base 160 can only move longitudinally relative to the cylinder 130 Without turning.
  • a spring guide bar 132 is also provided on the outer periphery of the cylinder 130, which cooperates with the guide groove 144 in the spring upper seat 141 of the spring 140 and/or the guide groove 145 in the spring lower seat 142 to guide The role of the spring 140.
  • the arrangement of the guide groove and the guide bar can also be interchanged, that is, the guide bar is formed on the spring upper seat 141/spring lower seat 142, and the guide groove is formed on the cylinder 130.
  • a bottom part 133 is formed at the bottom of the outer wall of the cylinder 130, which cooperates with the spring lower seat 142 of the spring 140 to fix the spring lower seat 142 and prevent the spring lower seat 142 from moving upward relative to the cylinder 130.
  • 11a and 11b show a front view and a top view of the mouthpiece 120, respectively.
  • a notch 121 is formed on the mouthpiece 120, especially on the top of the mouthpiece 120.
  • the emulsion pump 100 is in a locked state, which can be used for transportation and sales of the emulsion pump 100.
  • the support seat 160 in the emulsion pump 100 is located at the highest point of its stroke, and the spiral groove 162 of the support seat 160 cooperates with the spiral protrusion 151 in the piston rod 150.
  • the user rotates the indenter 110 in the opening direction to drive the piston rod 150 connected to the indenter 110 to rotate together.
  • the spiral protrusion 151 on the outer surface of the piston rod 150 interacts with the spiral groove 162 on the support base 160 to move the support base 160 downward relative to the piston rod 150, ie It moves in the direction toward the spring 140 until the helical convex strip 151 is disengaged from the helical groove 162.
  • the support base 160 applies a compressive force to the spring 140, and the compressive force gradually increases.
  • the lock block 152 With the rotation of the piston rod 150, the lock block 152 can also be moved to a position aligned with the notch 121 on the top of the mouthpiece 120. At this time, the lock block 152 can pass through the notch 121, so that the indenter 110 springs to a stand-by state.
  • the pressure head 110 is pressed down to the lowest point of its stroke, and then the pressure head 110 is rotated in the closing direction opposite to the opening direction.
  • the helical convex strip 151 of the piston rod 150 will refit into the helical concave groove 162 of the support base 160, and with the rotation of the piston rod 150, the helical convex strip 151 and the helical concave groove 162 As a result, the support base 160 is moved upward, that is, in the direction away from the spring 140, so that the compressive force applied to the spring 140 is reduced, so that the spring 140 returns to the non-standby state again.
  • the support base 160 can be released from contact with the spring 140.
  • the spiral protrusion 151 can switch the spring 140 between the non-standby state and the standby state, that is, it functions as a switching mechanism.
  • the helical convex strip 151 functions to separate the spring 140 from the movable part of the emulsion pump 100 through the support base 160.
  • the relative position and size of the helical convex strip 151 and the lock block 152 in the piston rod 150 are set so that before the lock block 152 is aligned with the notch 121 of the mouthpiece 120, the helical convex strip 151 is removed from the spiral The groove 162 comes out. In this way, it is possible to prevent the spiral protrusion 151 from entering the spiral groove 162 during the process of pressing the indenter 110 to pump the product.
  • the longitudinal length of the lock block 152 is preferably set such that during the process of pressing the indenter 110 to pump the product and the indenter 110 rebound, the lock block 152 always moves in the gap 121, so that, in During use, the spiral protrusion 151 can be prevented from entering the spiral groove 162 due to the rotation of the indenter 110.
  • the switching mechanism may also be formed on any part of the movable part of the emulsion pump 100 Other components and other positions are also within the scope of the disclosure.
  • the switching mechanism may also be formed on the fixed part of the emulsion pump 100, for example, a spiral ridge may be formed on the inner wall of the cylinder 130, and correspondingly, a spiral groove may be formed on the outer periphery of the support base 160.
  • the piston rod formed with spiral protrusions is the fixed part of the emulsion pump, and the cylinder is the movable part (this case will be explained in detail in the following examples). None of this goes beyond the disclosed scope of the present invention.
  • the lotion pump 200 includes an indenter 210, a mouthpiece 220, a cylinder 230, a spring 240, and a piston rod 250.
  • the cylinder 230 is provided with a support base 260.
  • a notch 231 is formed in the outer wall of the cylinder 230, and the guide block 261 of the supporting seat 260 is slidably accommodated in the notch 231 so that the supporting seat 260 can only be longitudinally relative to the piston rod 250 movement.
  • FIG. 13a to 13d show various views of the support base 260 in the emulsion pump 200 of the second embodiment, wherein FIG. 13a shows a top view of the support base 260, and FIG. 13b shows a cross-sectional view of the support base 260. 13c shows another cross-sectional view of the support base 260, and FIG. 13d shows a perspective view of the support base 260.
  • the support base 260 in the emulsion pump 200 of the second embodiment is also substantially ring-shaped, and has at least one guide block 261 (shown in the figure are two guide blocks 261 arranged oppositely). At least one, preferably a pair of opposed support seat notches 262 is formed inside the support seat 260. At least one support block 263 is also preferably formed on the inner side of the support base 260, and the support block 263 is preferably formed on the upper and lower parts of the inner side of the support base 260, respectively.
  • the guide bar 251 is formed on the outer periphery of the piston rod 250 corresponding to the support seat notch 262 provided in the support seat 260.
  • an upper lock block 252 and a lower lock block 253 are preferably formed on the upper and lower sides of the guide bar 251, respectively.
  • the upper locking block 252 and the lower locking block 253 cooperate with the support block 263, so that the piston rod 250 can only rotate in a preset direction.
  • the piston rod 250 and the support base 260 cooperate with each other as shown in FIGS. 15a and 15b.
  • the operation mode of the emulsion pump 200 of the second embodiment will be described below with reference to FIGS. 12a, 12b, 15a and 15b.
  • the support seat 260 is located above the guide bar 251 of the piston rod 250, and the support seat notch 262 is offset from the guide bar 251, thereby making the support seat 260 relative to the piston
  • the position of the rod 250 is fixed.
  • the indenter 210 When the emulsion pump 200 needs to be used, rotate the indenter 210 in the opening direction to align the support base notch 262 with the guide bar 251. At this time, the indenter 210 can be manually pulled up to the highest point of its stroke, the support base 260 It moves below the guide bar 251 relative to the piston rod 250. Then, the indenter 210 continues to be rotated, so that the support seat notch 262 is offset from the guide bar 251 again, so that the guide bar 251 restricts the support seat 260 to a position below it. At this time, the spring 240 is loaded so that the pumping operation can be performed by pressing the indenter 210.
  • the indenter 210 can be rotated in the reverse direction to align the support notch 262 with the guide bar 251 again, and then the indenter 210 can be manually pressed to its stroke The lowest point, and then continue to rotate the indenter 210, so that the support base notch 262 and the guide bar 251 are offset, so that the guide bar 251 keeps the support base 260 at a position above it.
  • the upper and lower locking blocks 252 and 253 and the supporting block stop 263 are provided in the supporting seat 260, the upper and lower locking blocks 252 and 253 and the supporting block stop 263 The interaction between them allows the user to rotate the indenter 210 in a predetermined direction.
  • 16a to 17 show the emulsion pump 300 of the third embodiment of the present invention.
  • the technical features that are the same as or similar to those of the first and second embodiments are not described in detail, and only the technologies that are not disclosed in the first and second embodiments of the emulsion pump 300 of the third embodiment are only described.
  • Features are described. Unless there is a contrary expression or a structural conflict, the technical features disclosed in the first and second embodiments are also applicable to the third embodiment.
  • the emulsion pump 300 includes a pressure head 310, a mouthpiece 320, a cylinder 330, a spring 340, and a piston rod 350, and the emulsion pump 300 also includes a support base 360.
  • an inverted ring 351 is formed on the piston rod 350, and the inverted ring 351 is formed with a first inclined surface 352 facing upward, and accordingly, a downward facing surface is formed on the support base 360 ⁇ 361.
  • the indenter 310 In the locked position shown in FIG. 16a, the indenter 310 is at the lowest point of its travel, and the support base 360 is above the reverse snap ring 351. After rotating the indenter 310 to the open position, the indenter 310 is pulled up to the highest point of its stroke, in the process, the reverse ring 351 passes over the support base 360 and reaches above the support base 360. At this time, the structure of the reverse ring 351 prevents the support base 360 from returning to the top of the reverse ring 351 again. Thus, the emulsion pump 300 is maintained in the standby state shown in FIG. 16b.
  • 18a and 18b show an emulsion pump 400 of the fourth embodiment of the present invention.
  • the technical features that are the same as or similar to those in the first to third embodiments are not described in detail, but only the technical features that are not disclosed in the first to third embodiments in the emulsion pump 400 of the fourth embodiment are performed. description. Unless there is a contrary expression or a structural conflict, the technical features disclosed in the first to third embodiments are also applicable to the fourth embodiment.
  • the emulsion pump 400 of the fourth embodiment is basically the same as the emulsion pump 100 of the first embodiment, except that the spring upper seat 141 and the spring lower seat 142 of the spring 140 are omitted.
  • the upper end of the elastic bar of the spring 440 is directly connected to the support base 460, and the lower end of the elastic bar is directly connected to the lower part of the cylinder 430.
  • 19 to 22 show an emulsion pump 500 of the fifth embodiment of the present application.
  • the technical features that are the same as or similar to those in the first to fourth embodiments are not described in detail, but only the technical features that are not disclosed in the first to fourth embodiments in the emulsion pump 500 of the fifth embodiment are performed. description. Unless there is a contrary expression or a structural conflict, the technical features disclosed in the first to fourth embodiments are also applicable to the fifth embodiment.
  • FIG. 19a shows a cross-sectional view of the emulsion pump 500 in the lower locked state
  • FIG. 19b shows a cross-sectional view of the emulsion pump 500 in the standby state.
  • the lower portion of the pressure head 510 of the emulsion pump 500 is provided with external threads, and is fixed at the locked position by a threaded connection with the mouthpiece 520.
  • the external thread 511 on the indenter 510 is more clearly shown in FIG. 20. Accordingly, an internal thread matching the external thread 511 is formed in the opening of the mouthpiece 520.
  • the piston rod 550 and the piston 580 of the emulsion pump 500 of the fifth embodiment are formed separately and connected together.
  • a spiral rib as a switching member may be formed on the outer surface of any one of the piston rod 550 and the piston 580, or a part on the outer surface of the piston rod 550, and the other part on the outer surface of the piston 580.
  • a spiral rib 581 is formed on the outer surface of the piston 580.
  • FIGS. 24 to 27 show the modification of the partial structure in the fifth embodiment.
  • the piston rod 650 and the piston 680 are also formed separately and then connected together.
  • a sleeve 670 is additionally provided, and a spiral protrusion 671 or other type is formed on the outer surface of the sleeve 670 Switching parts.
  • the sleeve 670 is sleeved on the outer surfaces of the piston rod 650 and the piston 680 connected together, as shown in FIG. 27.
  • a structure such as a convex portion 672 may also be preferably formed on the inner surface of the sleeve 670 to facilitate a tight fit with the outer surface of the piston rod 650 and/or piston 680.
  • FIG. 28a shows a cross-sectional view of the emulsion pump 700 in the lower lock state
  • FIG. 28b shows a cross-sectional view of the emulsion pump 700 in the standby state.
  • the emulsion pump 700 includes a pressure head 710, and a cylinder 730 is connected to the lower portion of the pressure head 710. Therefore, in the sixth embodiment, the movement of the pressure head 710 (for example, rotation or up and down movement) drives the air cylinder 730 to move together, so that the pressure head 710 and the air cylinder 730 constitute at least a part of the movable part of the emulsion pump.
  • a spring bracket 770 is connected to the mouthpiece 720, and one end of the spring 750 (specifically the lower end in FIGS. 28a and 28b) is supported on the spring bracket 770, and the other end of the spring 750 (Upper end in the figure) is supported on the spring support 760.
  • a piston rod 740 is also fixedly connected to the spring bracket 770, and the piston on one end of the piston rod 740 extends into the cylinder 730.
  • a first convex portion 731 and a second convex portion 732 are formed on the outer wall of the cylinder 730, and a groove 761 is formed on the inner surface of the spring support 760.
  • the groove 761 may be engaged with one of the first convex portion 731 and the second convex portion 732, respectively.
  • the spring 750 is in an unloaded state, and when the groove 761 is engaged with the second convex portion 732 located below, or even When located below the second convex portion 732, the spring 750 enters a loaded state.
  • the sixth embodiment it is the first convex portion 731 and the second convex portion 732 formed on the outer wall of the cylinder 730 that function as the switching mechanism.
  • the spiral convex strips, guide strips and other implementation structures mentioned in the above embodiments can also be applied to the sixth embodiment.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Reciprocating Pumps (AREA)
  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

La présente invention concerne une pompe à émulsion comprenant une partie mobile et une partie fixe, la partie mobile comprenant une tête de pression, une tige de piston et un piston, la partie fixe comprenant un embout buccal et un cylindre, au moins la partie de la tige de piston où le piston est disposé s'étendant dans le cylindre. La pompe à émulsion comprend également un mécanisme de réinitialisation élastique comprenant au moins une bande élastique, la forme de la bande élastique étant réglée de sorte que la bande élastique s'étend autour d'au moins une partie de la circonférence externe du cylindre de la pompe à émulsion lorsqu'elle est vue dans la direction axiale de la pompe à émulsion. De cette manière, la structure de la pompe à émulsion peut être compacte, ce qui est pratique pour le transport et le stockage du produit.
PCT/CN2019/108974 2019-01-03 2019-09-29 Pompe à émulsion WO2020140514A1 (fr)

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Applications Claiming Priority (2)

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CN201910004766.XA CN111392231A (zh) 2019-01-03 2019-01-03 乳液泵
CN201910004766.X 2019-01-03

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CN112340224A (zh) * 2020-09-22 2021-02-09 中山市联昌喷雾泵有限公司 一种内锁的全塑泵

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CN113716204B (zh) * 2021-05-07 2024-02-06 丁要武 一种可矫正的按压泵

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CN102858467A (zh) * 2010-02-24 2013-01-02 阿普塔尔法国简易股份公司 流体产品分配机构和包括该类机构的流体产品分配装置
FR2993542A1 (fr) * 2012-07-19 2014-01-24 Aptar France Sas Organe de distribution de produit fluide.
WO2015026800A1 (fr) * 2013-08-19 2015-02-26 Scholle Corporation Robinet pour un emballage souple comprenant un distributeur doseur
CN209306148U (zh) * 2019-01-03 2019-08-27 丁要武 乳液泵
CN209492869U (zh) * 2019-01-03 2019-10-15 丁要武 乳液泵

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CN101052472A (zh) * 2004-11-03 2007-10-10 密闭***公司 流体产品分配机件及配设这类分配机件的流体产品分配器
CN102858467A (zh) * 2010-02-24 2013-01-02 阿普塔尔法国简易股份公司 流体产品分配机构和包括该类机构的流体产品分配装置
FR2993542A1 (fr) * 2012-07-19 2014-01-24 Aptar France Sas Organe de distribution de produit fluide.
WO2015026800A1 (fr) * 2013-08-19 2015-02-26 Scholle Corporation Robinet pour un emballage souple comprenant un distributeur doseur
CN209306148U (zh) * 2019-01-03 2019-08-27 丁要武 乳液泵
CN209492869U (zh) * 2019-01-03 2019-10-15 丁要武 乳液泵

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CN111392231A (zh) 2020-07-10

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