CN112173411A - Full-plastic self-locking pump - Google Patents
Full-plastic self-locking pump Download PDFInfo
- Publication number
- CN112173411A CN112173411A CN202011106922.2A CN202011106922A CN112173411A CN 112173411 A CN112173411 A CN 112173411A CN 202011106922 A CN202011106922 A CN 202011106922A CN 112173411 A CN112173411 A CN 112173411A
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- Prior art keywords
- main column
- plastic
- locking
- piston
- cavity
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- 239000004033 plastic Substances 0.000 title claims abstract description 97
- 239000000463 material Substances 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 230000000903 blocking effect Effects 0.000 claims description 36
- 238000007789 sealing Methods 0.000 claims description 19
- 239000010410 layer Substances 0.000 claims description 13
- 239000002356 single layer Substances 0.000 claims description 8
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 2
- 239000000806 elastomer Substances 0.000 claims description 2
- 238000011084 recovery Methods 0.000 abstract description 7
- 238000003825 pressing Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 abstract description 3
- 238000005086 pumping Methods 0.000 abstract 1
- 239000000839 emulsion Substances 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
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- 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
- B05B11/1042—Components or details
- B05B11/1073—Springs
- B05B11/1074—Springs located outside pump chambers
-
- 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
- B05B11/1073—Springs
- B05B11/1077—Springs characterised by a particular shape or material
-
- 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
- B05B11/109—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 the dispensing stroke being affected by the stored energy of a spring
-
- 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
Abstract
The invention discloses an all-plastic self-locking pump, which consists of a pump body made of plastic, a press head, a main column, a piston, a lock bottle cap, a lock cover, a plastic spring and a plastic one-way valve, wherein the press head is arranged at the upper end of the main column, the main column is arranged in the pump body, the pump body comprises an upper cavity and a lower cavity, the lock cover is fixed between the upper cavity and the lower cavity, the plastic spring is arranged in the upper cavity, the plastic spring is arranged outside the cavity of the material body to avoid corrosion pollution caused by contact with the material body and to make quantitative pumping more stable, the plastic spring is pressed between the lock cover and the press head, the main column penetrates through the lock cover and extends into the lower cavity, the piston is positioned in the lower cavity and sleeved outside the main column to move up and down along with the main column, the plastic one-way valve is positioned at the lower end of the lower cavity to allow liquid to enter, a locking device capable of locking the main column to be incapable of pressing down is arranged, the self-locking device has the characteristics of simple structure, safety and reliability in self-locking and capability of meeting the high-efficiency recovery standard of European Union.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to an all-plastic self-locking pump.
[ background of the invention ]
The traditional emulsion pump is generally composed of a lock cover, a pump chamber, a press head, a main column, an auxiliary column, a piston, a glass bead, a rebound device and a lock cover for fixing the main column, the auxiliary column and the piston on the pump chamber, wherein the rebound device is generally a metal spring and is arranged in a material body cavity, the rebound device is immersed by emulsion when the emulsion is pumped, and the metal spring is easy to corrode and pollute the content (emulsion); however, the conventional emulsion pump generally comprises plastic, metal, glass and other components, and needs to be disassembled for classified recovery during recovery, so that the recovery is inconvenient, and along with the execution of the high-efficiency recovery standard of the European Union, the conventional emulsion pump cannot meet the international export requirement due to the composition limitation and the proportion limitation of PP and PE materials. In addition, the self-locking structure which can not be pressed by the main column on the existing emulsion pump is easy to vibrate and loosen in the transportation process, and the leakage problem exists.
The present invention has been made based on such a situation.
[ summary of the invention ]
The invention aims to overcome the defects of the prior art and provides the full-plastic self-locking pump which has the characteristics of simple structure, safety and reliability in self-locking and capability of meeting the high-efficiency recovery standard of the European Union.
The invention is realized by the following technical scheme:
an all-plastic self-locking pump comprises a pump body, a press head, a main column, a piston and a lock bottle cap, wherein the press head is installed at the upper end of the main column, the main column is arranged in the pump body, the pump body comprises an upper cavity and a lower cavity, a lock cap is fixed between the upper cavity and the lower cavity, a plastic spring is arranged in the upper cavity and is pressed between the lock cap and the press head, the main column penetrates through the lock cap and extends into the lower cavity, the piston is arranged in the lower cavity and is sleeved outside the main column to move up and down along with the main column, a plastic one-way valve for liquid to enter is arranged at the lower end of the lower cavity in the pump body, and a locking device capable of locking the main column to prevent the main column from being pressed down is arranged between the lock cap and the main column.
The all-plastic self-locking pump is characterized in that the main column is hollow, the lower end of the main column is closed, the lower part of the main column is provided with a side port communicated with the inside of the main column, an upper limiting table and a lower limiting table are arranged above and below the side port on the main column, the piston is positioned between the upper limiting table and the lower limiting table and can move up and down between the upper limiting table and the lower limiting table, the piston is provided with a sealing ring which can be matched with the lower limiting table to realize sealing connection, and the communication between the inside of the main column and a material cavity is cut off when the lower limiting table presses upwards on the sealing ring; when the main column moves downwards, the lower limiting table is separated from the sealing ring downwards, the main column is communicated with the material body cavity through the side opening, and the upper limiting table can be pressed on the piston to push the piston to move downwards together after moving downwards for a certain distance.
According to the all-plastic self-locking pump, the piston is provided with the inner sleeve matched with the main column, the sealing ring is arranged at the lower end of the inner sleeve, the inner sleeve is matched with the upper limiting table through the upper end surface and is in sealing connection when the upper limiting table presses downwards at the upper end of the inner sleeve, and the upper end of the inner sleeve is provided with the convex ring which protrudes inwards and is in interference fit with the outer side wall of the main column.
According to the all-plastic self-locking pump, the main column is provided with the guide strip which is arranged along the vertical direction, the lock cover is provided with the guide groove which is matched with the guide strip and is used for the guide strip to move up and down, the lock cover is provided with the blocking groove which is used for the guide strip to rotate from the guide groove when the main column bounces so as to limit the downward movement of the guide strip, the blocking groove is internally provided with the buckle which protrudes out of the blocking groove and is used for blocking the guide strip from automatically exiting the blocking groove, and the buckle, the blocking groove and the guide strip form the locking device for locking the lock cover and the main column.
According to the all-plastic self-locking pump, a guide angle is arranged between the bottom of the blocking groove and the side wall of the guide groove, the blocking sleeve capable of blocking the upper end of the inner sleeve is arranged at the bottom of the lock cover, when the inner sleeve is pressed on the blocking sleeve, the lower end of the guide strip is lower than the bottom surface of the blocking groove, when the main column is rotated, the guide strip slides into the bottom surface of the blocking groove along the guide angle, and the inner sleeve is tightly pressed between the lower limiting table and the blocking sleeve.
According to the all-plastic self-locking pump, the inner diameter of the upper cavity of the pump body is larger than that of the lower cavity of the pump body, the lower part of the upper cavity is provided with an annular boss protruding inwards, the bottom of the upper cavity is positioned below the boss, an annular buckling groove recessed in the lateral direction is arranged below the boss, the boss and the buckling groove are connected up and down to form an S-shaped buckling structure, the outer side of the lock cover is provided with a buckling ring buckled in the buckling groove and a concave ring for clamping the boss, and a plurality of ribs in interference fit with the lock cover are arranged above the boss in the pump body at intervals along the circumferential direction.
The plastic self-locking pump comprises a plastic spring, wherein the plastic spring comprises bottom rings which are arranged up and down, an elastic body is arranged between every two bottom rings which are adjacent up and down, the elastic body between every two bottom rings and the elastic body between the two bottom rings form a layer of elastic unit, and the plastic spring is formed by a single-layer elastic unit, a double-layer elastic unit or a multi-layer elastic unit.
The plastic self-locking pump comprises an elastic body, wherein the upper end and the lower end of the elastic body are respectively connected with an upper bottom ring and a lower bottom ring which are corresponding to each other, and the elastic strips are uniformly distributed around the circumferential direction; the elastic strips are two and are in an arch structure or an S-shaped structure, or the elastic strips are multiple and are inclined from one bottom ring to the other bottom ring. Or the elastomer is in a grid-like structure.
The all-plastic self-locking pump is characterized in that the pump body, the press head, the main column, the piston, the lock bottle cap, the lock cover and the plastic spring are made of PP materials.
Compared with the prior art, the invention has the following advantages:
1. the invention is composed of a pump body made of plastic, a press head, a main column, a piston, a lock bottle cap, a lock cover, a plastic spring and a plastic one-way valve, is environment-friendly and safe, and is convenient to recycle; meanwhile, the problems of corrosion of the metal spring and pollution of the content when the metal spring is adopted are avoided. In addition, the lock cover is isolated between the upper cavity and the lower cavity, the plastic spring is arranged in the upper cavity, the piston is positioned in the lower cavity, a material cavity is formed between the bottom of the piston and the lower cavity, the plastic spring is positioned outside the material cavity, the material cavity forms a quantifying chamber of a quantifying material body, the quantifying chamber has no variable spring characteristic, and the quantifying is more stable.
2. The pump body, the press head, the main column, the piston, the lock bottle cap, the lock cover, the plastic spring, the plastic one-way valve and the liquid guiding pipe are all made of PP materials, are environment-friendly and safe, and are used as main components of the pump, and the PE material gasket with small specific gravity is added, so that the proportion of the PP materials and the PE materials meets the high-efficiency recovery standard of the European Union.
3. The liquid guide pipe adopts an external insertion design, so that a liquid inlet channel is wider, and the liquid guide pipe can be better suitable for liquids with different viscosity degrees.
4. The piston composed of the main column and the piston has the advantages of simple moving structure, few components and convenient assembly.
5. The self-locking structure is safe and reliable, and avoids the problem of liquid leakage caused by the guide strip exiting the blocking groove due to vibration and loosening in the transportation process.
6. Be equipped with the guide angle between the tank bottom of retaining groove and the lateral wall of guide way, the bottom of locking closure is equipped with the spacer sleeve that can keep off in the inner jacket upper end, works as when the inner jacket is pressed on the spacer sleeve, the lower extreme of gib block is less than the bottom surface of retaining groove to when rotatory king post, the gib block is followed the guide angle and is slided in on the bottom surface of retaining groove, and the endotheca is compressed tightly between spacing platform and spacer sleeve down for after the auto-lock, king post, piston and locking closure can tightly be locked together, improve the stability of locking state.
7. The plastic spring is composed of single-layer elastic units, the two elastic strips are of arch structures, and the plastic spring is simple in structure and good in elasticity.
8. The plastic spring is composed of single-layer elastic units, the two elastic strips are in S-shaped structures, and the plastic spring is simple in structure and good in elasticity.
9. The plastic spring is composed of double-layer elastic units, the elastic strips on each layer are provided with a plurality of elastic strips, one bottom ring inclines to the other bottom ring, and the plastic spring is simple in structure and good in elasticity.
10. The elastic body is of a latticed structure, and specifically, symmetrical quadrilateral openings are formed in two opposite surfaces of the elastic body, symmetrical V-shaped openings are formed in the other two opposite surfaces of the elastic body, the V-shaped openings and the quadrilateral openings are vertically arranged along the circumferential direction, when a plastic spring is compressed, the V-shaped openings and the quadrilateral openings are respectively contracted and folded, and the elastic body is simple in structure and good in elasticity.
[ description of the drawings ]
The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:
FIG. 1 is an exploded view of an all plastic self-locking pump of the present invention;
FIG. 2 is a cross-sectional view of an all plastic self-locking pump of the present invention;
FIG. 3 is a schematic structural view of a main column;
FIG. 4 is a schematic view of the construction of the locking cap;
FIG. 5 is a schematic structural view of a first embodiment of a plastic spring;
FIG. 6 is a schematic structural view of a second embodiment of a plastic spring;
FIG. 7 is a schematic structural view of a third embodiment of a plastic spring;
FIG. 8 is a schematic structural view of a fourth embodiment of a plastic spring;
fig. 9 is a schematic structural view of a fifth embodiment of the plastic spring.
[ detailed description ] embodiments
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1 to 9, an all-plastic self-locking pump comprises a pump body 1, a press head 2, a main column 3, a piston 4 and a lock bottle cap 5, wherein the press head 2 is installed at the upper end of the main column 3, the main column 3 is arranged in the pump body 1, the pump body 1 comprises an upper chamber 11 and a lower chamber 12, a lock cover 6 is fixed between the upper chamber 11 and the lower chamber 12, a plastic spring 7 is arranged in the upper chamber 11, the plastic spring 7 is pressed between the lock cover 6 and the press head 2, the main column 3 penetrates through the lock cover 6 and extends into the lower chamber 12, the piston 4 is arranged in the lower chamber 12 and is sleeved outside the main column 3 to move up and down along with the main column 3, a plastic one-way valve 8 for liquid to enter is arranged at the lower end of the lower chamber 12 in the pump body 1, and a locking device capable of locking the main column 3 to prevent the main column from being pressed down is arranged between the lock cover 6 and the main column 3.
The components of the all-plastic self-locking pump are all made of plastic, so that the all-plastic self-locking pump is environment-friendly, safe and convenient to recycle; meanwhile, the problems of corrosion of the metal spring and pollution of the content when the metal spring is adopted are avoided. In addition, the locking cover 6 is isolated between the upper chamber 11 and the lower chamber 12, the plastic spring 7 is arranged in the upper chamber 11, the piston 4 is positioned in the lower chamber 12, a material body cavity 10 is formed between the bottom of the piston 4 and the lower chamber 12, the plastic spring 7 is positioned outside the material body cavity 10, the material body cavity 10 forms a quantitative chamber of a quantitative material body, the quantitative chamber has no variable spring characteristic, and the quantitative material is more stable.
As shown in the embodiment of fig. 1 and 2, the plastic check valve 8 comprises a plastic ball 81 capable of blocking the passage, and the plastic ball 81 is used for replacing a glass ball, so that the plastic ball is convenient to recycle.
As shown in fig. 1 and 2, the inner side of the locking cap 5 is provided with a gasket 51, and the gasket 51 is made of PE, and the gasket is used for better sealing when the locking cap 5 is connected with a bottle.
The lower end of the pump body 1 is inserted with a liquid guiding pipe 9, and the liquid guiding pipe 9 is sleeved on the outer side of the lower end of the pump body 1. The outer insertion design of the liquid guide pipe 9 enables the liquid inlet channel to be wider, so that the liquid guide pipe can be better suitable for liquids with different viscosity degrees.
The pump body 1, the press head 2, the main column 3, the piston 4, the lock bottle cap 5, the lock cover 6, the plastic spring 7, the plastic one-way valve 8 and the liquid guiding pipe 9 are all made of PP materials, environment-friendly and safe.
As shown in fig. 2 to 4, in the embodiment, the main column 3 is hollow and closed at the lower end thereof, the lower part of the main column 3 is provided with a side port 31 communicated with the inside thereof, the upper part and the lower part of the main column 3, which are positioned at the side port 31, are provided with an upper limit table 32 and a lower limit table 33, the piston 4 is positioned between the upper limit table 32 and the lower limit table 33 and can move up and down between the upper limit table 32 and the lower limit table 33, the piston 4 is provided with a sealing ring 41 which can be matched with the lower limit table 33 to realize sealing connection, and when the main column 3 bounces upwards, the lower limit table 33 presses the sealing ring 41 upwards to cut off the communication between the inside of the main column 3 and the material body cavity 10; when the main column 3 moves downwards, the frictional resistance between the piston 4 and the side wall of the lower chamber 12 is greater than the frictional resistance between the piston 4 and the main column 3, the main column 3 moves downwards relative to the piston 4 at the beginning, the lower limit table 33 is separated from the sealing ring 41 downwards, the main column 3 is communicated with the material cavity 10 through the side port 31, and the upper limit table 32 can be pressed on the piston 4 to push the piston 4 to move downwards together after moving downwards for a certain distance, so that the liquid in the material cavity 10 is pumped out. When the pressed main column 3 is released, the main column 3 bounces upwards under the elastic action of the plastic spring 7, the piston 4 is upwards pulled up by pressing the lower limit table 33 against the bottom of the sealing ring 41, negative pressure is formed inside the material body cavity 10, the plastic one-way valve 8 is opened, and liquid in the bottle flows into the material body cavity 10 through the liquid guide pipe 9. The piston composed of the main column 3 and the piston 4 has simple movement structure, few components and convenient assembly.
As shown in fig. 1 to 3, the piston 4 is provided with an inner sleeve 42 engaged with the main column 3, the inner sleeve 42 is engaged with the upper limit stop 32 through an upper end surface and is hermetically connected when the upper limit stop 32 presses down on an upper end of the inner sleeve 42, and an upper end of the inner sleeve 42 is provided with a convex ring 43 protruding inward and engaged with an outer sidewall of the main column 3 in an interference manner. The well lower part of principal post 3 is big-end-up's ladder shaft structure, and the external diameter of the principal post 3 that the department of spacing platform 32 corresponds is greater than the external diameter of the principal post 3 that the department of spacing platform 33 corresponds down, big-end-up in the hole of endotheca 42, and can supply down spacing platform 33 from last down to pass and limit spacing platform 32 and penetrate, sealing ring 41 protrusion is in the lower port department of endotheca 42 to can supply down spacing platform 33 from last down to pass under the exogenic action, simple structure, the equipment is convenient.
As shown in fig. 1 to 4, the main column 3 is provided with a guide bar 34 arranged along the up-down direction, the locking cover 6 is provided with a guide groove 61 which is matched with the guide bar 34 and allows the guide bar 34 to move up and down, the locking cover 6 is provided with a blocking groove 62 which allows the guide bar 34 to rotate from the guide groove 61 when the main column 3 bounces, so as to limit the downward movement of the guide bar 34, the blocking groove 62 is provided with a buckle 63 which protrudes therein and is used for blocking the guide bar 34 from automatically exiting the blocking groove 62, and the buckle 63, the blocking groove 62 and the guide bar 34 form a locking device to lock the locking cover 6 and the main column 3. Under the state that the press head is bounced, when external force is applied to rotate the press head 2 and the main column 3, the guide strip 34 rotates into the blocking groove 62 from the guide groove 61 and is screwed into the inner side of the buckle 63, the buckle 63 can prevent the guide strip 34 from automatically withdrawing from the blocking groove 62, the self-locking structure is safe and reliable, and the problem of liquid leakage caused by the fact that the guide strip 34 withdraws from the blocking groove 62 due to vibration loosening in the transportation process is avoided.
As shown in fig. 3, a guide angle 64 is provided between the bottom of the blocking slot 62 and the side wall of the guide slot 61, a blocking sleeve 67 capable of blocking the upper end of the inner sleeve 42 is provided at the bottom of the locking cover 6, when the inner sleeve 42 presses on the blocking sleeve 67, the lower end of the guide strip 34 is lower than the bottom of the blocking slot 62, and when the main column 3 is rotated, the guide strip 34 slides onto the bottom of the blocking slot 62 along the guide angle 64, the inner sleeve 42 is pressed between the lower limit table 33 and the blocking sleeve 67, so that the main column 3, the piston 4 and the locking cover 6 can be tightly locked together after self-locking, and the stability of the locking state is improved.
As shown in fig. 1 and 2, in the pump body 1, the inner diameter of the upper chamber 11 is larger than the inner diameter of the lower chamber 12, the lower portion of the upper chamber 11 is provided with an annular boss 14 protruding inward, the bottom of the upper chamber 11 is located below the boss 14 and is provided with an annular buckling groove 13 recessed laterally, the boss 14 and the buckling groove 13 are connected up and down to form an S-shaped buckling structure, the outer side of the lock cover 6 is provided with a buckling ring 65 buckled in the buckling groove 13 and a recessed ring 66 for the boss 14 to be clamped, and a plurality of ribs 15 in interference fit with the lock cover 6 are arranged above the boss 14 in the pump body 1 at intervals along the circumferential direction.
As shown in fig. 2, the pressing head 2 is provided with an insertion port 21 extending downward and fixedly inserted into the main column 3, the plastic spring 7 is sleeved outside the insertion port 21 and the main column 3, the pressing head 2 is provided with an outer sleeve 22 for sleeving the plastic spring 7 on the inner side, and the lower end of the outer sleeve 22 is positioned inside the bottle locking cover 5 when the outer sleeve 22 is in a bounce state, so that the plastic spring 7 is covered inside the pressing head 2 and the pump body 1, and the structure is compact and elegant.
The plastic spring 7 comprises bottom rings 71 which are arranged up and down, elastic bodies 72 are arranged between every two bottom rings 71 which are adjacent up and down, each two bottom rings 71 and the elastic body 72 between the two bottom rings form a layer of elastic unit, and the plastic spring 7 is formed by a single-layer, double-layer or multi-layer elastic unit.
As shown in fig. 5 to 8, the elastic body 72 includes elastic strips, the upper ends and the lower ends of which are respectively connected to the upper bottom ring 71 and the lower bottom ring 71, and the elastic strips are uniformly distributed around the circumferential direction.
As shown in fig. 5, as a first embodiment of the plastic spring 7, the plastic spring 7 is formed by a single layer of elastic unit, and the two elastic strips are in an arch structure, so that the structure is simple and the elasticity is good.
As shown in fig. 6, as a second embodiment of the plastic spring 7, the plastic spring 7 is composed of a single layer of elastic units, and the two elastic strips are in an S-shaped structure, so that the structure is simple and the elasticity is good.
As shown in fig. 7, as a third embodiment of the plastic spring 7, the plastic spring 7 is formed of a single-layer elastic unit, and the elastic strip has a plurality of strips and is inclined from one bottom ring 71 to the other bottom ring 71.
As shown in fig. 8, as a fourth embodiment of the plastic spring 7, the plastic spring 7 is composed of a double-layer elastic unit, and the elastic strip of each layer is provided with a plurality of strips, and is inclined from one bottom ring 71 to the other bottom ring 71, so that the structure is simple, and the elasticity is good.
As shown in fig. 9, as another embodiment of the plastic spring 7, the elastic body 72 has a grid structure, specifically, symmetrical quadrilateral openings 73 are provided on two opposite surfaces of the elastic body 72, symmetrical V-shaped openings 74 are provided on the other two opposite surfaces, the V-shaped openings 74 and the quadrilateral openings 73 are vertically arranged along the circumferential direction, and when the plastic spring 7 is compressed, the V-shaped openings 74 and the quadrilateral openings 73 are respectively contracted and folded, so that the structure is simple, and the elasticity is good.
Claims (10)
1. An all-plastic self-locking pump is characterized in that: the pump comprises a pump body (1), a press head (2), a main column (3), a piston (4) and a lock bottle cap (5), wherein the press head (2) is installed at the upper end of the main column (3), the main column (3) is arranged in the pump body (1), the pump body (1) comprises an upper chamber (11) and a lower chamber (12), a lock cover (6) is fixed between the upper chamber (11) and the lower chamber (12), a plastic spring (7) is arranged in the upper chamber (11), the plastic spring (7) is pressed between the lock cover (6) and the press head (2), the main column (3) penetrates through the lock cover (6) to extend into the lower chamber (12), the piston (4) is arranged in the lower chamber (12) and sleeved outside the main column (3) and moves up and down along with the main column (3), a plastic one-way valve (8) for liquid to enter is arranged at the lower end of the lower chamber (12) in the pump body (1), and a locking device which can lock the main column (3) so that the main column cannot be pressed down is arranged between the lock cover (6) and the main column (3).
2. The all-plastic self-locking pump according to claim 1, wherein: the main column (3) is hollow, the lower end of the main column is closed, a side opening (31) communicated with the interior of the main column (3) is formed in the lower portion of the main column (3), an upper limiting table (32) and a lower limiting table (33) are arranged on the main column (3) and located above and below the side opening (31), a piston (4) is located between the upper limiting table (32) and the lower limiting table (33) and can move up and down between the upper limiting table (32) and the lower limiting table (33), the piston (4) is provided with a sealing ring (41) capable of being matched with the lower limiting table (33) to achieve sealing connection, and when the lower limiting table (33) presses upwards on the sealing ring (41), the communication between the interior of the main column (3) and the material cavity (10) is cut off; when the main column (3) moves downwards, the lower limiting table (33) is separated from the sealing ring (41) downwards, the main column (3) is communicated with the material cavity (10) through the side opening (31), and the upper limiting table (32) can be pressed on the piston (4) to push the piston (4) to move downwards together after moving downwards for a certain distance.
3. The all-plastic self-locking pump according to claim 2, wherein: an inner sleeve (42) matched with the main column (3) is arranged on the piston (4), the sealing ring (41) is arranged at the lower end of the inner sleeve (42), the inner sleeve (42) is matched with the upper limiting table (32) through the upper end face and is in sealing connection when the upper limiting table (32) is pressed downwards at the upper end of the inner sleeve (42), and a convex ring (43) which protrudes inwards and is in interference fit with the outer side wall of the main column (3) is arranged at the upper end of the inner sleeve (42).
4. The all-plastic self-locking pump according to claim 3, wherein: the lock is characterized in that a guide strip (34) arranged in the vertical direction is arranged on the main column (3), a guide groove (61) matched with the guide strip (34) and used for the guide strip (34) to move up and down is formed in the lock cover (6), a blocking groove (62) which limits the downward movement of the guide strip (34) and is used for the guide strip (34) to rotate into from the guide groove (61) when the main column (3) bounces is formed in the lock cover (6), a buckle (63) protruding into the blocking groove (62) and used for blocking the guide strip (34) to automatically withdraw from the blocking groove (62) is arranged in the blocking groove (62), and the buckle (63), the blocking groove (62) and the guide strip (34) form a locking device for locking the lock cover (6) and the main column (3).
5. The all-plastic self-locking pump according to claim 4, wherein: be equipped with between the cell bottom of keeping off groove (62) and the lateral wall of guide way (61) guide angle (64), the bottom of locking closure (6) is equipped with can keep off spacer sleeve (67) in endotheca (42) upper end, works as endotheca (42) are pressed on spacer sleeve (67), the lower extreme of guide strip (34) is less than the bottom surface of keeping off groove (62) to when rotatory king post (3), guide strip (34) are followed guide angle (64) and are slided into on the bottom surface of keeping off groove (62), and endotheca (42) are compressed tightly under between spacing platform (33) and spacer sleeve (67).
6. The all-plastic self-locking pump according to claim 1, wherein: the pump body (1) is above that the internal diameter of cavity (11) is greater than the internal diameter of cavity (12) down, the lower part of going up cavity (11) is equipped with inside convex annular boss (14), the bottom that goes up cavity (11) is located boss (14) is equipped with annular catching groove (13) of side direction indent, boss (14) and catching groove (13) meet from top to bottom and form the lock joint structure of "S" shape, the outside of locking closure (6) is equipped with buckles into in catching groove (13) lock ring (65) to and supply concave ring (66) that boss (14) were gone into, the top that lies in boss (14) in the pump body (1) is provided with a plurality of ribs (15) with locking closure (6) interference fit along the circumferencial direction interval.
7. The all-plastic self-locking pump according to claim 1, wherein: the plastic spring (7) comprises bottom rings (71) which are arranged up and down, an elastic body (72) is arranged between every two bottom rings (71) which are adjacent up and down, the elastic body (72) between every two bottom rings (71) and the elastic body forms a layer of elastic unit, and the plastic spring (7) is formed by a single-layer elastic unit, a double-layer elastic unit or a multi-layer elastic unit.
8. The all-plastic self-locking pump according to claim 7, wherein: the elastic body (72) comprises elastic strips, the upper end and the lower end of each elastic strip are respectively connected to the corresponding upper bottom ring and the corresponding lower bottom ring (71), and the elastic strips are uniformly distributed around the circumferential direction; the elastic strips are two and are in an arched structure or an S-shaped structure, or the elastic strips are multiple and are inclined from one bottom ring (71) to the other bottom ring (71).
9. The all-plastic self-locking pump according to claim 7, wherein: the elastomer (72) is of a grid-like structure.
10. The all-plastic self-locking pump according to claim 1, wherein: the pump body (1), the press head (2), the main column (3), the piston (4), the lock bottle cap (5), the lock cover (6) and the plastic spring (7) are made of PP materials.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011106922.2A CN112173411A (en) | 2020-10-15 | 2020-10-15 | Full-plastic self-locking pump |
| PCT/CN2020/122166 WO2022077537A1 (en) | 2020-10-15 | 2020-10-20 | All-plastic self-locking pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011106922.2A CN112173411A (en) | 2020-10-15 | 2020-10-15 | Full-plastic self-locking pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112173411A true CN112173411A (en) | 2021-01-05 |
Family
ID=73950415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011106922.2A Pending CN112173411A (en) | 2020-10-15 | 2020-10-15 | Full-plastic self-locking pump |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112173411A (en) |
| WO (1) | WO2022077537A1 (en) |
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| CN113044386A (en) * | 2021-03-23 | 2021-06-29 | 宁波正德塑业有限公司 | Pressing pump with plastic spring |
| CN113501192A (en) * | 2021-08-09 | 2021-10-15 | 上海洁诺德塑胶制品有限公司 | Pump head, pump core with pump head and palm pressure type building block pump tank with pump core |
| CN113800113A (en) * | 2021-04-13 | 2021-12-17 | 陈远清 | Full plastic emulsion pump head |
| CN114788652A (en) * | 2021-01-25 | 2022-07-26 | 宝洁公司 | Manually operated dispensing pump |
| CN114803126A (en) * | 2022-06-06 | 2022-07-29 | 中山市美捷时包装制品有限公司 | All-plastic recyclable pressing pump |
| CN114873072A (en) * | 2022-06-27 | 2022-08-09 | 中山市美捷时包装制品有限公司 | All-plastic single-material pressing pump |
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| CN102464133A (en) * | 2010-11-03 | 2012-05-23 | 余姚晟祺塑业有限公司 | All-plastic lotion pump |
| CN103420022B (en) * | 2012-05-16 | 2015-09-09 | 丁要武 | Push type liquor pump |
| US10335816B1 (en) * | 2018-08-29 | 2019-07-02 | Armin Arminak | All plastic water resistant pump |
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| CN111268272A (en) * | 2020-02-21 | 2020-06-12 | 中山市美捷时包装制品有限公司 | Full-plastic self-locking pump |
| CN111186631A (en) * | 2020-02-25 | 2020-05-22 | 潘景源 | Full-plastic emulsion pump |
| CN213385592U (en) * | 2020-10-15 | 2021-06-08 | 中山市美捷时包装制品有限公司 | Full-plastic self-locking emulsion pump |
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2020
- 2020-10-15 CN CN202011106922.2A patent/CN112173411A/en active Pending
- 2020-10-20 WO PCT/CN2020/122166 patent/WO2022077537A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114788652A (en) * | 2021-01-25 | 2022-07-26 | 宝洁公司 | Manually operated dispensing pump |
| US11925948B2 (en) | 2021-01-25 | 2024-03-12 | The Procter & Gamble Company | Manually operated dispensing pump |
| CN113044386A (en) * | 2021-03-23 | 2021-06-29 | 宁波正德塑业有限公司 | Pressing pump with plastic spring |
| CN113800113A (en) * | 2021-04-13 | 2021-12-17 | 陈远清 | Full plastic emulsion pump head |
| CN113800113B (en) * | 2021-04-13 | 2022-08-19 | 世捷包装制品(清远)有限公司 | Full plastic emulsion pump head |
| CN114955219A (en) * | 2021-07-30 | 2022-08-30 | 上海睿琦包装科技有限公司 | Novel continuous pressure type sprayer |
| CN113501192A (en) * | 2021-08-09 | 2021-10-15 | 上海洁诺德塑胶制品有限公司 | Pump head, pump core with pump head and palm pressure type building block pump tank with pump core |
| WO2023216716A1 (en) * | 2022-05-09 | 2023-11-16 | 中山市美捷时包装制品有限公司 | All-plastic foam pump structure |
| CN114803126A (en) * | 2022-06-06 | 2022-07-29 | 中山市美捷时包装制品有限公司 | All-plastic recyclable pressing pump |
| CN114873072A (en) * | 2022-06-27 | 2022-08-09 | 中山市美捷时包装制品有限公司 | All-plastic single-material pressing pump |
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|---|---|
| WO2022077537A1 (en) | 2022-04-21 |
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Address after: No.21 Jiankang Road, Torch Development Zone, Zhongshan City, Guangdong Province 528437 Applicant after: Guangdong Meijieshi Holdings Co.,Ltd. Address before: No.21 Jiankang Road, Torch Development Zone, Zhongshan City, Guangdong Province 528437 Applicant before: MAJESTY PACKAGING SYSTEMS Ltd. |
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