CN212454720U - Manual liquid pump - Google Patents

Manual liquid pump Download PDF

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Publication number
CN212454720U
CN212454720U CN202020643240.4U CN202020643240U CN212454720U CN 212454720 U CN212454720 U CN 212454720U CN 202020643240 U CN202020643240 U CN 202020643240U CN 212454720 U CN212454720 U CN 212454720U
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Prior art keywords
liquid storage
channel
inflator
storage barrel
liquid
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CN202020643240.4U
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Chinese (zh)
Inventor
陈金泉
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Jiashan Jinzhan Tools Co ltd
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Jiashan Jinzhan Tools Co ltd
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Abstract

The application discloses manual liquid pump includes: the upper end of the liquid storage barrel is opened; the inflator is arranged in the liquid storage barrel and is integrally formed with the liquid storage barrel, the lower part of the inflator is communicated with the outside, and a one-way air outlet valve group is arranged at the lower part of the inflator; the piston group is movably arranged in the inflator up and down; the barrel cover is hermetically arranged at the opening end of the liquid storage barrel, an air passage is arranged in the barrel cover and is communicated with the liquid storage barrel and the inflator, the end parts of the air passage communicated with the liquid storage barrel and the inflator form a first port and a second port on the barrel cover respectively, and the first port is provided with a one-way air inlet valve group; and the liquid pumping pipe seat is positioned on the barrel cover and is communicated with the liquid storage barrel. The utility model provides a manual drawing liquid machine, simple structure has reduced the complexity of assembly, the fault rate when defective rate and user when having reduced product production use to production and maintenance cost have been reduced.

Description

Manual liquid pump
Technical Field
The utility model relates to a liquid suction device technical field especially relates to a manual liquid pump.
Background
The existing liquid pump adopts a split structure, namely an inflator and a liquid storage barrel are manufactured independently and then assembled together, as shown in fig. 1, the inflator 101 and the liquid storage barrel 102 are respectively connected with an upper cover 104 and a base 103 through matching of a bolt and a nut, and the split structure causes many related parts, complex assembly, low efficiency, high operation difficulty, low reliability of sealing performance among all parts requiring sealing, and increased production and maintenance costs.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above problem, overcome at least one not enough, provide a manual liquid pump.
The utility model adopts the following technical scheme: the utility model provides a manual liquid pump, include:
the upper end of the liquid storage barrel is opened;
the inflator is arranged in the liquid storage barrel and is integrally formed with the liquid storage barrel, the lower part of the inflator is communicated with the outside, and a one-way air outlet valve group is arranged at the lower part of the inflator;
the piston group is movably arranged in the inflator up and down;
the barrel cover is hermetically arranged at the opening end of the liquid storage barrel, an air passage is arranged in the barrel cover and is communicated with the liquid storage barrel and the inflator, the air passage is communicated with the end parts of the liquid storage barrel and the inflator, a first port and a second port are respectively formed on the barrel cover, and a one-way air inlet valve group is arranged at the first port; and
and the liquid pumping pipe seat is positioned on the barrel cover and is communicated with the liquid storage barrel.
In an example of the present invention, the one-way intake valve set includes:
the first mounting groove is positioned in the barrel cover;
the end part of the connecting sleeve is fixedly connected with the mounting groove in a threaded manner, and a first channel is arranged in the connecting sleeve and comprises an air inlet and an air outlet;
the first sealing element is arranged in the first mounting groove and used for plugging or opening the air outlet of the first channel; and
and the first spring is arranged in the first mounting groove, is matched with the first sealing piece and is used for pushing the first sealing piece to block the air outlet of the first channel.
In an example of the utility model, there is safe cup coupling sleeve's lower part movable mounting, being close to of safe cup the tip of air inlet is cone portion, be equipped with the second sealing member in the cone portion, safe cup is used for the liquid level of liquid rises and reaches the setting value after in the stock solution bucket, safe cup with the cooperation of second sealing member is used for the shutoff the air inlet of first passageway.
In an embodiment of the present invention, the connecting sleeve corresponds to the through hole formed on the side wall of the safety cup.
In an example of the present invention, the air passage communicates with the outside to form a third port on the barrel cover, and the third port is provided with a pressure release valve.
In an example of the present invention, the pressure relief valve includes:
the one-way valve seat is arranged in the third port, and a second channel communicated with the air passage is arranged on the one-way valve seat;
the bolt is movably arranged in the second channel, a first end of the bolt extends into the second channel, and a second end of the bolt extends out of the second channel;
a third seal member provided on the first end for blocking or opening an outlet of the second passage in response to movement of the bolt;
a one-way valve button disposed on the second end; and
the second spring is sleeved on the bolt, and two ends of the second spring respectively abut against the one-way valve button and the one-way valve seat.
In an example of the present invention, an inflator bottom plug is disposed at a lower portion of the inflator, and a third channel communicated with an inside of the inflator is disposed on the inflator bottom plug; the one-way air outlet valve group comprises:
the one-way valve bottom plug is arranged in the third channel;
the fourth sealing element is movably arranged in the third channel and is used for plugging or opening an inlet of the third channel; and
and the third spring is arranged in the third channel, and two ends of the third spring are respectively abutted against the one-way valve bottom plug and the fourth sealing element.
In an example of the present invention, the piston assembly includes a connecting rod, a piston member and a handle, one end of the connecting rod extends into the inflator, and the piston member is connected, the other end of the connecting rod extends out of the barrel cover, and the handle is connected.
In an example of the present invention, the barrel cover is provided with a handle, and the handle corresponds to the handle.
In an example of the utility model, manual drawing liquid machine still includes the base, the lower extreme of stock solution bucket is fixed in through threaded connection on the base, be equipped with a plurality of ventholes on the base, one-way air outlet valve group is just right the venthole sets up.
The utility model has the advantages that: make inflater and stock solution bucket through integrated into one piece's mode, simple structure has reduced the complexity of assembly, the fault rate when having reduced defective rate and user's use when product production to production and maintenance cost have been reduced. Be provided with the air flue of intercommunication inflater and stock solution bucket in the bung, first port at the air flue sets up one-way inlet valve group, the lower part of inflater sets up one-way outlet valve group, make the gas in the air flue can only unidirectional motion, under the effect of piston group, the gas in the stock solution bucket enters into the inflater through one-way inlet valve group, discharge to the external world from one-way outlet valve group again, make the inside negative pressure that forms of stock solution bucket, can carry out the drawing liquid operation in needing the drawing liquid equipment at the liquid suction pipe that the drawing liquid tube seat set up, the sealing performance of product is high.
Drawings
FIG. 1 is an exploded view of a prior art manual pump;
FIG. 2 is a schematic structural view of the manual liquid pump of the present invention;
FIG. 3 is an exploded view of the manual pump of the present invention;
FIG. 4 is a cross-sectional view of the manual fluid pump of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
fig. 6 is a schematic structural view of the one-way air outlet valve set of the present invention in an air-closed state;
fig. 7 is a schematic structural view of the one-way air outlet valve set of the present invention in a ventilation state;
FIG. 8 is a partial enlarged view at B in FIG. 4;
FIG. 9 is an enlarged view of a portion of FIG. 4 at C;
fig. 10 is a schematic structural view of the pressure release valve of the present invention in a normally closed state;
fig. 11 is a schematic structural view of the pressure release valve of the present invention in a vent state.
The figures are numbered: 1. a liquid storage barrel; 2. an inflator; 3. a one-way air outlet valve group; 4. a piston group; 5. a barrel cover; 6. a one-way intake valve set; 7. a liquid extraction pipe seat; 8. a pressure relief valve; 9. a handle; 10. a base; 11. an air outlet; 12. a liquid pumping pipe; 51. an airway; 21. a bottom plug of the inflator; 211. a third channel; 31. a one-way valve bottom plug; 32. a fourth seal member; 33. a third spring; 41. a connecting rod; 42. a piston member; 43. a handle; 61. a first mounting groove; 62. connecting a sleeve; 63. a first seal member; 64. a first spring; 65. a safety cup; 66. a second seal member; 621. a first channel; 622. a through opening; 81. a one-way valve seat; 82. a bolt; 83. a third seal member; 84. a one-way valve button; 85. a second spring; 811. a second channel; the arrows in the figure are the airflow directions;
101. an inflator; 102. a liquid storage barrel; 103. a base; 104. and (7) covering.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown.
Referring to fig. 2-4, the present invention provides a manual liquid pump, including: the upper end of the liquid storage barrel 1 is opened; the inflator 2 is arranged in the liquid storage barrel 1 and is integrally formed with the liquid storage barrel 1, the lower part of the inflator 2 is communicated with the outside, and the lower part of the inflator 2 is provided with a one-way air outlet valve group 3; the piston group 4 is movably arranged in the inflator 2 up and down; the barrel cover 5 is hermetically arranged at the opening end of the liquid storage barrel 1, an air passage 51 is arranged in the barrel cover 5, the air passage 51 is communicated with the liquid storage barrel 1 and the inflator 2, the air passage 51 is communicated with the end parts of the liquid storage barrel 1 and the inflator 2, a first port and a second port are respectively formed on the barrel cover 5, and a one-way air inlet valve group 6 is arranged at the first port; and a liquid extraction pipe seat 7 which is positioned on the barrel cover 5 and is communicated with the liquid storage barrel 1.
The utility model provides a manual drawing liquid machine makes inflater 2 and stock solution bucket 1 through integrated into one piece's mode, moreover, the steam generator is simple in structure, the complexity of assembly has been reduced, be provided with the air flue 51 of intercommunication inflater 2 and stock solution bucket 1 in bung 5, first port at air flue 51 sets up one-way inlet valve group 6, the lower part of inflater 2 sets up one-way outlet valve group 3, make the gas in the air flue 51 can only unidirectional movement, under the effect of piston group 4, the gas in the stock solution bucket 1 enters into inflater 2 through one-way inlet valve group 6, discharge to the external world from one-way outlet valve group 3 again, make 1 inside negative pressure that forms of stock solution bucket, set up liquid suction pipe 12 at liquid suction pipe seat 7 and can carry out the drawing liquid operation in the equipment that needs the drawing liquid, the sealing performance of product is high, production and maintenance cost.
The manual liquid pump of this application for current structure, has reduced the assembly part, the appearance is succinct pleasing to the eye, is a commercial and domestic liquid pump product that all is fit for of a section, can regard as car maintenance beam-pumping unit, uses such as fish bowl trades water pump.
Referring to fig. 3, 4 and 8, check intake valve group 6 includes: a first mounting groove 61 in the tub cover 5; the end part of the connecting sleeve 62 is fixed with the mounting groove in a threaded manner, a first channel 621 is arranged in the connecting sleeve 62, and the first channel 621 comprises an air inlet and an air outlet; a first sealing member 63 installed in the first installation groove 61 for blocking or opening the air outlet of the first passage 621; and a first spring 64 disposed in the first mounting groove 61, cooperating with the first sealing member 63, for pushing the first sealing member 63 to block the air outlet of the first passage 621. When the piston group 4 moves downwards, the air in the inflator 2 is discharged, at the same time, the air pressure in the inflator 2 is lower than the air pressure in the liquid storage barrel 1, the first sealing element 63 is pushed open, so that the air outlet of the first passage 621 is opened, the first passage 621 is communicated with the air passage 51, the air in the liquid storage barrel 1 enters the inflator 2, and at the same time, the first spring 64 is compressed; when the piston assembly 4 moves to the lower limit, the compressed first spring 64 is reset because the air pressure in the inflator 2 is equal to that in the liquid storage barrel 1, the first sealing element 63 is pushed to block the air outlet of the first passage 621, and the air in the inflator 2 cannot enter the liquid storage barrel 1, so that a one-way air inlet structure is formed. The sealing principle of the one-way inlet valve group 6 is the same as that of the one-way outlet valve group 3.
Referring to fig. 8, a safety cup 65 is movably mounted at the lower portion of the connection sleeve 62, an end portion of the safety cup 65 close to the air inlet is a tapered portion, a second sealing member 66 is disposed on the tapered portion, and the safety cup 65 and the second sealing member 66 are matched to block the air inlet of the first passage 621 after the liquid level of the liquid in the liquid storage barrel 1 rises to a set value. The density of the safety cup 65 is less than that of the liquid sucked into the liquid storage barrel 1, so that when the liquid level rises, the safety cup 65 can move upwards, finally the air inlet of the first passage 621 is sealed, the liquid pumping operation is stopped, and the liquid is prevented from entering the air passage 51 and the inflator 2 from the first passage 621.
A through opening 622 is provided in the side wall of the connection sleeve 62 corresponding to the safety cup 65. The through opening 622 enables the safety cup 65 to be better matched with the connecting pipe sleeve, and the safety cup 65 can conveniently move up and down along with the liquid level sensitivity.
Referring to fig. 3, 4 and 9-11, the air passage 51 is communicated with the outside, and a third port is formed on the tub cover 5 and provided with a pressure relief valve 8. The relief valve 8 includes: the one-way valve seat 81 is arranged in the third port, and a second channel 811 communicated with the air channel 51 is arranged on the one-way valve seat 81; a bolt 82 movably disposed in the second channel 811, a first end of the bolt 82 extending into the second channel 811, and a second end of the bolt 82 extending out of the second channel 811; a third sealing member 83 provided on the first end for closing or opening an outlet of the second passage 811 in accordance with movement of the bolt 82; a one-way valve button 84 provided on the second end; and a second spring 85 sleeved on the bolt 82, wherein two ends of the second spring 85 respectively abut against the one-way valve button 84 and the one-way valve seat 81. When the pressure is relieved, the one-way valve button 84 is pressed down, so that the bolt 82 moves towards the air passage 51, the third sealing element 83 opens the outlet of the second passage 811, the air passage 51 is communicated with the outside, and at the moment, the second spring 85 is in a compressed state; after the air release is completed, the compressed second spring 85 is restored, and the third seal 83 can seal the outlet of the second passage 811 by the spring force of the second spring 85.
Referring to fig. 3-7, a bottom plug 21 is disposed at the lower portion of the pump 2, and a third channel 211 is disposed on the bottom plug 21 and communicates with the inside of the pump 2; one-way outlet valve group 3 includes: the check valve bottom plug 31 is arranged in the third channel 211; a fourth seal 32 movably disposed in the third channel 211 for closing or opening an inlet of the third channel 211; and a third spring 33 arranged in the third channel 211, wherein two ends of the third spring 33 respectively abut against the one-way valve bottom plug 31 and the fourth sealing element 32. When the piston group 4 moves downwards, the air flow in the air pump 2 pushes the fourth sealing element 32 open, so that the inside of the air pump 2 is communicated with the outside, and the air is discharged, and the third spring 33 is in a compressed state; when the piston assembly 4 moves upwards, the compressed third spring 33 is reset and pushes the fourth sealing element 32 to block the inlet of the third channel 211, so that external gas cannot enter, and a one-way gas outlet structure is formed.
Referring to fig. 3-4, the piston assembly 4 includes a connecting rod 41, a piston member 42 and a handle 43, one end of the connecting rod 41 extends into the inflator 2 and is connected to the piston member 42, and the other end of the connecting rod 41 extends out of the barrel cover 5 and is connected to the handle 43.
Referring to fig. 2-4, the handle 9 is disposed on the barrel cover 5 to facilitate the carrying and moving, and the handle 43 is disposed corresponding to the handle 9, so that the structure is compact and the appearance is simple.
Referring to fig. 2-4, the manual liquid pump further includes a base 10, the lower end of the liquid storage barrel 1 is fixed on the base 10 through a threaded connection, the base 10 is provided with a plurality of air outlets 11, and the one-way air outlet valve set 3 is disposed opposite to the air outlets 11.
The above is only the preferred embodiment of the present invention, and not the patent protection scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings of the present invention can be directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims (10)

1. A manual fluid extractor, comprising:
the upper end of the liquid storage barrel is opened;
the inflator is arranged in the liquid storage barrel and is integrally formed with the liquid storage barrel, the lower part of the inflator is communicated with the outside, and a one-way air outlet valve group is arranged at the lower part of the inflator;
the piston group is movably arranged in the inflator up and down;
the barrel cover is hermetically arranged at the opening end of the liquid storage barrel, an air passage is arranged in the barrel cover and is communicated with the liquid storage barrel and the inflator, the air passage is communicated with the end parts of the liquid storage barrel and the inflator, a first port and a second port are respectively formed on the barrel cover, and a one-way air inlet valve group is arranged at the first port; and
and the liquid pumping pipe seat is positioned on the barrel cover and is communicated with the liquid storage barrel.
2. The manual fluid extractor of claim 1, wherein said one-way intake valve assembly comprises:
the first mounting groove is positioned in the barrel cover;
the end part of the connecting sleeve is fixedly connected with the mounting groove in a threaded manner, and a first channel is arranged in the connecting sleeve and comprises an air inlet and an air outlet;
the first sealing element is arranged in the first mounting groove and used for plugging or opening the air outlet of the first channel; and
and the first spring is arranged in the first mounting groove, is matched with the first sealing piece and is used for pushing the first sealing piece to block the air outlet of the first channel.
3. The manual liquid pump according to claim 2, wherein a safety cup is movably mounted at the lower portion of the connection sleeve, the end portion of the safety cup close to the air inlet is a tapered portion, a second sealing member is arranged on the tapered portion, and the safety cup and the second sealing member are matched to block the air inlet of the first channel after the liquid level of the liquid in the liquid storage barrel rises to a set value.
4. The manual fluid extractor of claim 3 wherein said connecting sleeve has a through opening in a side wall thereof corresponding to said safety cup.
5. The manual fluid extractor of claim 1, wherein the air passage communicates with the exterior, and a third port is formed in the lid and is provided with a pressure relief valve.
6. The manual fluid extractor of claim 5, wherein the pressure relief valve comprises:
the one-way valve seat is arranged in the third port, and a second channel communicated with the air passage is arranged on the one-way valve seat;
the bolt is movably arranged in the second channel, a first end of the bolt extends into the second channel, and a second end of the bolt extends out of the second channel;
a third seal member provided on the first end for blocking or opening an outlet of the second passage in response to movement of the bolt;
a one-way valve button disposed on the second end; and
the second spring is sleeved on the bolt, and two ends of the second spring respectively abut against the one-way valve button and the one-way valve seat.
7. The manual liquid pump as claimed in claim 1, wherein a pump bottom plug is arranged at the lower part of the pump, and a third channel communicated with the interior of the pump is arranged on the pump bottom plug; the one-way air outlet valve group comprises:
the one-way valve bottom plug is arranged in the third channel;
the fourth sealing element is movably arranged in the third channel and is used for plugging or opening an inlet of the third channel; and
and the third spring is arranged in the third channel, and two ends of the third spring are respectively abutted against the one-way valve bottom plug and the fourth sealing element.
8. The manual pump of claim 1, wherein the piston assembly includes a rod, a piston member, and a handle, one end of the rod extends into the pump and is connected to the piston member, and the other end of the rod extends out of the barrel cover and is connected to the handle.
9. The manual fluid extractor of claim 8 wherein said barrel lid has a handle and said handle is positioned relative to said handle.
10. The manual liquid pump as claimed in claim 1, further comprising a base, wherein the lower end of the liquid storage barrel is fixed on the base through a threaded connection, the base is provided with a plurality of air outlets, and the one-way air outlet valve set is opposite to the air outlets.
CN202020643240.4U 2020-04-24 2020-04-24 Manual liquid pump Active CN212454720U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020643240.4U CN212454720U (en) 2020-04-24 2020-04-24 Manual liquid pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020643240.4U CN212454720U (en) 2020-04-24 2020-04-24 Manual liquid pump

Publications (1)

Publication Number Publication Date
CN212454720U true CN212454720U (en) 2021-02-02

Family

ID=74469102

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020643240.4U Active CN212454720U (en) 2020-04-24 2020-04-24 Manual liquid pump

Country Status (1)

Country Link
CN (1) CN212454720U (en)

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