CN111268274A - External spring pump with left and right locking structures - Google Patents
External spring pump with left and right locking structures Download PDFInfo
- Publication number
- CN111268274A CN111268274A CN202010202319.8A CN202010202319A CN111268274A CN 111268274 A CN111268274 A CN 111268274A CN 202010202319 A CN202010202319 A CN 202010202319A CN 111268274 A CN111268274 A CN 111268274A
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- Prior art keywords
- pump
- rod
- locking cover
- piston
- pump rod
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- 239000007788 liquid Substances 0.000 claims abstract description 30
- 238000005086 pumping Methods 0.000 claims abstract description 17
- 230000000903 blocking effect Effects 0.000 claims description 3
- 210000000078 claw Anatomy 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 238000003825 pressing Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 239000000839 emulsion Substances 0.000 description 14
- 238000005452 bending Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material 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
- B05B11/0005—Components or details
- B05B11/0037—Containers
- B05B11/0039—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means
- B05B11/0044—Containers associated with means for compensating the pressure difference between the ambient pressure and the pressure inside the container, e.g. pressure relief means compensating underpressure by ingress of atmospheric air into the container, i.e. with venting means
-
- 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
- B05B11/1043—Sealing or attachment arrangements between pump and container
-
- 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
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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
- B05B11/1042—Components or details
- B05B11/1066—Pump inlet valves
- B05B11/1067—Pump inlet valves actuated by pressure
-
- 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
-
- 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
- B05B11/1043—Sealing or attachment arrangements between pump and container
- B05B11/1046—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
- B05B11/1047—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container the pump being preassembled as an independent unit before being mounted on the container
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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
- B05B11/1042—Components or details
- B05B11/1073—Springs
- B05B11/1074—Springs located outside pump chambers
Landscapes
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Closures For Containers (AREA)
Abstract
The invention discloses an external spring pump with a left-right lock structure, which comprises a pump body extending into a bottle body, wherein a pump chamber is arranged on the pump body, a bottle locking cover is connected on the pump body, a pumping assembly is arranged in the pump chamber, a locking cover is arranged on the inner wall of the pump chamber, a one-way valve is arranged at the lower end of the pump chamber, a bent nozzle is connected at the upper end of the pumping assembly, a liquid guide pipe capable of extending into the bottle body is arranged on the pump body and below the one-way valve, the pumping assembly comprises a pump rod, a liquid inlet hole is formed below the pump rod, a piston is sleeved on the pump rod, an air inlet hole is formed in the pump body, a pushing part is arranged on the pump rod, a limiting lug is; a limiting component which can prevent the bent nozzle from pressing down when the pump rod rotates for a certain angle is arranged between the pump rod and the locking cover. The invention can prevent the bent nozzle from being pressed by mistake in the transportation process by arranging the limiting component, avoids leakage, and simultaneously enhances the sealing effect by matching the piston with the locking cover to seal the air inlet hole.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to an external spring pump with a left-right locking structure.
[ background of the invention ]
The emulsion pump is exquisite in design and convenient to use, and is widely applied to industries such as daily chemicals, medicines and the like. However, the existing emulsion pump has many parts, complex structure, high manufacturing difficulty and high production cost; in addition, a return spring of a pumping component of the traditional emulsion pump can be directly contacted with the emulsion in a pump chamber, and the return spring can pollute the liquid after rusting, so that the emulsion pump is not sanitary; in addition, the bent nozzle of the existing emulsion pump is easy to be pressed by mistake in the using process to cause waste or bring inconvenience to users; the existing emulsion pump can be provided with an air inlet hole for stabilizing the air pressure in the bottle body during working, but in the transportation process, the emulsion in the bottle body can inevitably leak from the air inlet hole, so that pollution is caused, and the use is influenced.
The present invention has been made in view of the above disadvantages.
[ summary of the invention ]
The invention aims to solve the technical problem of providing an external spring pump with a left-right locking structure, which can prevent a bent nozzle from being pressed by mistake in the transportation process by arranging a limiting assembly, avoid leakage, and enhance the sealing effect by matching a piston and a locking cover to seal an air inlet.
In order to solve the technical problems, the invention adopts the following technical scheme: an external spring pump with a left-right locking structure is characterized by comprising a pump body extending into a bottle body, wherein a pump chamber is arranged on the pump body, a bottle locking cover capable of fixing the pump body onto the bottle body is connected onto the pump body, a pumping assembly is arranged in the pump chamber, a locking cover capable of preventing the pumping assembly from being separated from the pump chamber is arranged on the inner wall of the pump chamber, a one-way valve is arranged at the lower end of the pump chamber, the upper end of the pumping assembly is connected with a bent nozzle, a liquid guide pipe capable of extending into the bottle body is arranged on the pump body and positioned below the one-way valve, the pumping assembly comprises a pump rod capable of penetrating through the locking cover and provided with a pumping channel, a liquid inlet communicated with the pumping channel is formed in the lower part of the pump rod, a piston capable of sliding relative to the pump rod and blocking or opening the liquid inlet is sleeved on the pump rod, and an air inlet capable of being closed or, in the embodiment, a gap is formed between the pump rod and the locking cover, when the pump rod drives the piston to move downwards, external air firstly passes through the gap between the pump rod and the locking cover and then enters the bottle body through the air inlet hole, so that normal air pressure in the bottle body is ensured during work, the pump rod is provided with a pushing part which can push the piston downwards after the pump chamber is communicated with the suction channel so as to enable the air inlet hole to be communicated with the outside, the locking cover is also provided with a limiting bump which can prevent the piston from moving upwards when the piston seals the air inlet hole, and a return spring is arranged between the locking cover and the bent nozzle; and a limiting component which can prevent the bent nozzle from pressing down when the pump rod rotates for a certain angle is arranged between the pump rod and the locking cover.
The external spring pump with the left-right locking structure is characterized in that the limiting assembly comprises a vertical convex rib arranged on the outer side wall of the pump rod, the inner wall of the locking cover is provided with a guide groove capable of allowing the convex rib to slide up and down, and the inner wall of the locking cover is provided with a boss which is used for abutting against the convex rib to prevent the convex rib from sliding downwards after the pump rod rotates for a certain angle.
The external spring pump with the left and right locking structures is characterized in that the outer side of the locking cover is provided with a clamping portion, and a positioning connecting portion for clamping the clamping portion is arranged in the pump body.
The external spring pump with the left and right lock structures is characterized in that the outer wall of the pump rod and located below the liquid inlet is provided with a limiting convex ring which can be abutted against the lower portion of the piston, the pushing portion is located above the liquid inlet, and the piston is located between the pushing portion and the limiting convex ring.
The external spring pump with the left and right lock structures is characterized in that the upper end of the pump rod is provided with anti-rotation teeth which are used for fixing the pump rod and the bent nozzle after the pump rod is connected with the bent nozzle.
The external spring pump with the left and right lock structures is characterized in that two convex ribs are vertically arranged on the outer side wall of the pump rod, and two guide grooves matched with the convex ribs are formed in the inner wall of the locking cover.
The external spring pump with the left and right lock structures is characterized in that a gasket is further arranged in the lock bottle cap and is of an annular structure.
The external spring pump with the left-right lock structure is characterized in that the lower end of the pump chamber is conical, the one-way valve is a pump ball arranged at the lower end of the pump chamber, and the pump chamber is provided with a limiting claw for preventing the one-way valve from being separated.
Compared with the prior art, the external spring pump with the left and right lock structure has the following effects:
1. when the bending nozzle is pressed down for the first time, the pump rod moves downwards, the suction channel is communicated with the pump chamber, the pump rod drives the piston to move downwards, gas in the pump chamber can be discharged from the suction channel, the bending nozzle is loosened, negative pressure is formed in the pump chamber at the moment, liquid in the bottle body pushes the one-way valve to enter the pump chamber, the bending nozzle is pressed down again, the suction channel is communicated with the pump chamber, the pump rod drives the piston to move downwards, external air enters the air inlet hole through the gap due to the fact that the gap exists between the pump rod and the locking cover, the air inlet hole is communicated with the outside, air pressure during working is guaranteed to be stable, liquid in the pump chamber is sprayed out from the suction channel, liquid discharging is completed, the piston abuts against the locking cover in a free state, the air inlet hole is sealed, liquid in the bottle body is prevented from leaking; be provided with the spacing subassembly that can prevent the bent mouth to push down when the rotatory certain angle of pump lever between pump lever and the locking lid, cover the groove cooperation of stepping down through guide rail on the pump lever and locking and realize the auto-lock, can not press the bent mouth downwards, avoid the emulsion pump liquid when not using to be extruded and reveal.
2. The reset spring is arranged between the upper end surface of the locking cover and the bent nozzle and above the piston, so that the reset spring cannot be adhered to the emulsion when the pumping assembly moves up and down to pump the emulsion into the pump chamber below the piston, and the structure of the invention ensures that the reset spring and the emulsion are completely separated, ensures sanitation and cannot pollute the emulsion.
3. The locking cover and the pump body are in matched clamping connection with the positioning connecting part through the clamping part, so that the locking cover is stably connected, the locking cover is prevented from being separated from the pump body, and the suction assembly is further prevented from being separated from the pump chamber.
[ 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 a perspective view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a cross-sectional view of the bent tip of the present invention when not being pressed;
FIG. 4 is an enlarged view taken at A in FIG. 3;
FIG. 5 is a cross-sectional view of the present invention with the bending tip depressed;
FIG. 6 is a block diagram of the locking cap of the present invention;
wherein, 1, a pump body; 11. an air inlet; 12. positioning the connecting part; 2. a pump chamber; 21. a limiting claw; 3. locking the bottle cap; 4. a suction assembly; 401. a suction channel; 41. a pump rod; 411. a pushing part; 412. a limit convex ring; 413. anti-rotation teeth; 402. a liquid inlet hole; 42. a piston; 43. A return spring; 5. a locking cover; 501. a guide groove; 51. a limiting bump; 52. a clamping part; 6. a one-way valve; 7. bending a mouth; 8. a catheter; 9. a limiting component; 91. a rib is protruded; 92. a boss; 10. and (7) a gasket.
[ detailed description ] embodiments
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to 6, an external spring pump with a left-right lock structure comprises a pump body 1 extending into a bottle body, wherein a pump chamber 2 is arranged on the pump body 1, a lock bottle cap 3 capable of fixing the pump body to the bottle body is connected to the pump body 1, a suction assembly 4 is arranged in the pump chamber 2, a lock cap 5 capable of preventing the suction assembly 4 from falling off from the pump chamber 2 is arranged on the inner wall of the pump chamber 2, a one-way valve 6 is arranged at the lower end of the pump chamber 2, a bent nozzle 7 is connected to the upper end of the suction assembly 4, a catheter 8 capable of extending into the bottle body is arranged on the pump body 1 and below the one-way valve 6, the suction assembly 4 comprises a pump rod 41 capable of penetrating through the lock cap 5 and having a suction passage 401, a liquid inlet 402 communicated with the suction passage 401 is arranged below the pump rod 41, a piston 42 capable of sliding relative to the pump rod 41 and blocking or opening the liquid inlet 402 is sleeved on the pump rod 41, the pump body 1 is provided with an air inlet hole 11 which can be closed or opened by a piston 42, the pump rod 41 is provided with a pushing part 411 which can push the piston 42 downwards after the pump chamber 2 is communicated with the suction channel 401 so as to enable the air inlet hole 11 to be communicated with the outside, the locking cover 5 is also provided with a limit bump 51 which can prevent the piston from moving upwards when the piston seals the air inlet hole, and a return spring 43 is arranged between the locking cover 5 and the bent nozzle 7; and a limiting component 9 which can prevent the bent nozzle 7 from being pressed down when the pump rod 41 rotates for a certain angle is arranged between the pump rod 41 and the locking cover 5. When the bending nozzle is pressed down for the first time, the pump rod moves downwards, the suction channel is communicated with the pump chamber, the pump rod drives the piston to move downwards, gas in the pump chamber can be discharged from the suction channel, the bending nozzle is loosened, negative pressure is formed in the pump chamber at the moment, liquid in the bottle body pushes the one-way valve to enter the pump chamber, the bending nozzle is pressed down again, the suction channel is communicated with the pump chamber, the pump rod drives the piston to move downwards, so that the air inlet hole is communicated with the outside, the air pressure is stable during working, the liquid in the pump chamber is sprayed out from the suction channel, liquid discharging is completed, the piston abuts against the locking cover in a free state, the air inlet hole is sealed, the liquid in the bottle body is prevented from leaking from the air inlet hole, and; be provided with the spacing subassembly that can prevent the bent mouth to push down when the rotatory certain angle of pump lever between pump lever and the locking lid, cover the groove cooperation of stepping down through guide rail on the pump lever and locking and realize the auto-lock, can not press the bent mouth downwards, avoid the emulsion pump liquid when not using to be extruded and reveal.
As shown in fig. 1 to 6, in this embodiment, the limiting component 9 includes a rib 91 vertically disposed on an outer side wall of the pump rod 41, the inner wall of the locking cover 5 is provided with a guide groove 501 for the rib 91 to slide up and down, and the inner wall of the locking cover 5 is provided with a boss 92 for abutting against the rib 91 to prevent the rib 91 from sliding down after the pump rod 41 rotates by a certain angle. The convex ribs on the pump rod enter the boss by rotating the bent nozzle to limit the bent nozzle to press downwards, and the bent nozzle is rotated again to enable the convex ribs on the pump rod to enter the guide groove, so that the downward-pressing bent nozzle can be unlocked.
As shown in fig. 1 to 6, in the present embodiment, a clamping portion 52 is disposed on an outer side of the locking cover 5, and a positioning connection portion 21 into which the clamping portion 52 is clamped is disposed in the pump body 1. The locking cover is prevented from being separated from the pump body in the working process of the bent nozzle, so that the pumping assembly is prevented from being separated from the pump chamber, and the connection stability is ensured.
As shown in fig. 1 to 6, in this embodiment, a limiting convex ring 412 capable of abutting against the lower part of the piston 42 is disposed on the outer wall of the pump rod 41 below the liquid inlet 402, the pushing portion 411 is located above the liquid inlet 402, and the piston 42 is located between the pushing portion 411 and the limiting convex ring 412. The pump rod and the piston can be ensured to seal the liquid inlet in the process of moving upwards.
As shown in fig. 1 to 6, in the present embodiment, the upper end of the pump rod 41 is provided with an anti-rotation tooth 413 for fixing the pump rod after being connected to the elbow 7. The pump rod is ensured to rotate together when the bent nozzle is rotated, so that the bent nozzle is unlocked or locked.
As shown in fig. 1 to 6, in this embodiment, two ribs 91 are vertically disposed on an outer side wall of the pump rod 41, and two guide grooves 501 matched with the ribs 91 are disposed on an inner wall of the locking cover 5. The smoothness of pressing the bent nozzle is improved.
As shown in fig. 1 to 6, in the present embodiment, a gasket 10 is further disposed in the locking bottle cap 3, and the gasket 10 is of an annular structure; playing the role of sealing the bottle body.
As shown in fig. 1 to 6, in the present embodiment, the lower end of the pump chamber 2 is tapered, the check valve 6 is a pump ball provided at the lower end of the pump chamber 2, and the pump chamber 2 is provided with a stopper pawl 21 for preventing the check valve 6 from coming off, thereby preventing the check valve from coming off.
The working principle is as follows:
1. the bent nozzle is pressed to overcome the elastic force of a return spring to drive the pump rod to move downwards, the piston generates friction hysteresis with the pump chamber, at the moment, a channel between the pump rod and the piston is opened, the piston is pushed to move downwards together after moving downwards continuously, and partial gas in the inner cavity of the pump chamber can be discharged from a suction channel;
2. when the bent nozzle is loosened, the pump rod moves upwards under the action of the reset spring force, the piston lags behind, a channel between the piston and the pump rod is instantly sealed, the inner cavity of the pump chamber forms partial vacuum, the solution can be introduced from the liquid guide pipe and rushes the pump bead to be sucked into the inner cavity of the pump chamber under the action of atmospheric pressure, and the solution can be sprayed out of the bent nozzle when the solution is continuously pressed.
Claims (8)
1. The external spring pump with the left-right locking structure is characterized by comprising a pump body (1) extending into a bottle body, wherein a pump chamber (2) is arranged on the pump body (1), a lock bottle cap (3) capable of fixing the pump body onto the bottle body is connected onto the pump body (1), a pumping component (4) is arranged in the pump chamber (2), a locking cover (5) capable of preventing the pumping component (4) from being separated from the pump chamber (2) is arranged on the inner wall of the pump chamber (2), a one-way valve (6) is arranged at the lower end of the pump chamber (2), a bent nozzle (7) is connected at the upper end of the pumping component (4), a liquid guide pipe (8) capable of extending into the bottle body is arranged on the pump body (1) and below the one-way valve (6), and the pumping component (4) comprises a pump rod (41) capable of penetrating through the locking cover (5) and having a pumping channel (401), a liquid inlet hole (402) communicated with the suction channel (401) is formed below the pump rod (41), a piston (42) capable of sliding relative to the pump rod and blocking or opening the liquid inlet hole (402) is sleeved on the pump rod (41), an air inlet hole (11) capable of being closed or opened by the piston (42) is formed in the pump body (1), a pushing part (411) capable of pushing the piston (42) downwards after the pump chamber (2) is communicated with the suction channel (401) to enable the air inlet hole (11) to be communicated with the outside is formed in the pump rod (41), a limiting bump (51) capable of preventing the piston from moving upwards when the piston seals the air inlet hole is further arranged on the locking cover (5), and a return spring (43) is arranged between the locking cover (5) and the bent nozzle (7); and a limiting component (9) which can prevent the bent nozzle (7) from being pressed down when the pump rod (41) rotates for a certain angle is arranged between the pump rod (41) and the locking cover (5).
2. The external spring pump with the left-right lock structure as claimed in claim 1, wherein the limiting component (9) comprises a rib (91) vertically arranged on the outer side wall of the pump rod (41), the inner wall of the locking cover (5) is provided with a guide groove (501) for the rib (91) to slide up and down, and the inner wall of the locking cover (5) is provided with a boss (92) which is used for abutting against the rib (91) to prevent the rib (91) from sliding down after the pump rod (41) rotates by a certain angle.
3. The external spring pump with the left and right lock structures as claimed in claim 1, wherein a clamping portion (52) is arranged on the outer side of the locking cover (5), and a positioning connecting portion (12) for the clamping portion (52) to be clamped is arranged in the pump body (1).
4. The external spring pump with the left-right lock structure as claimed in claim 1, wherein the pump rod (41) and the outer wall of the pump rod located below the liquid inlet (402) are provided with limit convex rings (412) capable of abutting against the lower portion of the piston (42), the pushing portion (411) is located above the liquid inlet (402), and the piston (42) is located between the pushing portion (411) and the limit convex rings (412).
5. The external spring pump with left-right lock structure as claimed in claim 1, wherein the upper end of the pump rod (41) is provided with anti-rotation teeth (413) for fixing the pump rod and the elbow nozzle (7) after being connected with the pump rod.
6. The external spring pump with the left-right lock structure as claimed in claim 2, wherein two ribs (91) are vertically arranged on the outer side wall of the pump rod (41), and two guide grooves (501) matched with the ribs (91) are arranged on the inner wall of the locking cover (5).
7. The external spring pump with the left-right lock structure as claimed in claim 1, wherein a gasket (9) is further arranged in the lock bottle cap (3), and the gasket (9) is of an annular structure.
8. The external spring pump with the left-right lock structure as claimed in claim 1, wherein the lower end of the pump chamber (2) is tapered, the check valve (6) is a pump ball arranged at the lower end of the pump chamber (2), and the pump chamber (2) is provided with a limit claw (21) for preventing the check valve (6) from disengaging.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010202319.8A CN111268274A (en) | 2020-03-20 | 2020-03-20 | External spring pump with left and right locking structures |
| PCT/CN2020/082935 WO2021184428A1 (en) | 2020-03-20 | 2020-04-02 | External spring pump having left and right lock structure |
| EP20845371.2A EP3909885A4 (en) | 2020-03-20 | 2020-04-02 | External spring pump having left and right lock structure |
| US17/268,414 US20210291212A1 (en) | 2020-03-20 | 2020-04-02 | Pump with left and right locking structure and external spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010202319.8A CN111268274A (en) | 2020-03-20 | 2020-03-20 | External spring pump with left and right locking structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111268274A true CN111268274A (en) | 2020-06-12 |
Family
ID=70995855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010202319.8A Pending CN111268274A (en) | 2020-03-20 | 2020-03-20 | External spring pump with left and right locking structures |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111268274A (en) |
| WO (1) | WO2021184428A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112389849A (en) * | 2020-10-23 | 2021-02-23 | 广州尚功塑胶有限公司 | Double-spring all-plastic vacuum pump |
| CN112570163A (en) * | 2020-12-23 | 2021-03-30 | 中山市美捷时包装制品有限公司 | External spring pump core device |
| CN112570165A (en) * | 2020-12-23 | 2021-03-30 | 中山市美捷时包装制品有限公司 | Disinfection spraying pressing pump device |
| CN112896781A (en) * | 2021-01-14 | 2021-06-04 | 李嘉欣 | Emulsion pump |
| WO2023137832A1 (en) * | 2022-01-18 | 2023-07-27 | 中山市美捷时包装制品有限公司 | Recyclable all-plastic self-locking pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004160416A (en) * | 2002-11-15 | 2004-06-10 | M & S Technica:Kk | Fluid-spouting pump |
| US20100176158A1 (en) * | 2007-05-25 | 2010-07-15 | Emsar S.P.A. | Dosing device for fluid products |
| CN105292728A (en) * | 2015-11-20 | 2016-02-03 | 余姚晟祺塑业有限公司 | Novel emulsion pump |
| CN109896145A (en) * | 2019-04-12 | 2019-06-18 | 中山市美捷时包装制品有限公司 | A kind of environmental-friendly type emulsion pump configuration |
| CN212100062U (en) * | 2020-03-20 | 2020-12-08 | 中山市美捷时包装制品有限公司 | External spring pump device of left-right lock structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010088986A (en) * | 2008-10-06 | 2010-04-22 | Canyon Corp | Trigger spray |
| JP6170411B2 (en) * | 2013-10-31 | 2017-07-26 | 株式会社吉野工業所 | Liquid container mounting pump |
| CN208979437U (en) * | 2018-09-20 | 2019-06-14 | 中山市美捷时包装制品有限公司 | A kind of novel spring lotion pump with external |
| CN209852890U (en) * | 2019-04-12 | 2019-12-27 | 中山市美捷时包装制品有限公司 | Environment-friendly emulsion pump |
| CN209739723U (en) * | 2019-04-12 | 2019-12-06 | 中山市美捷时包装制品有限公司 | Full-plastic emulsion pump |
-
2020
- 2020-03-20 CN CN202010202319.8A patent/CN111268274A/en active Pending
- 2020-04-02 WO PCT/CN2020/082935 patent/WO2021184428A1/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004160416A (en) * | 2002-11-15 | 2004-06-10 | M & S Technica:Kk | Fluid-spouting pump |
| US20100176158A1 (en) * | 2007-05-25 | 2010-07-15 | Emsar S.P.A. | Dosing device for fluid products |
| CN105292728A (en) * | 2015-11-20 | 2016-02-03 | 余姚晟祺塑业有限公司 | Novel emulsion pump |
| CN109896145A (en) * | 2019-04-12 | 2019-06-18 | 中山市美捷时包装制品有限公司 | A kind of environmental-friendly type emulsion pump configuration |
| CN212100062U (en) * | 2020-03-20 | 2020-12-08 | 中山市美捷时包装制品有限公司 | External spring pump device of left-right lock structure |
Non-Patent Citations (1)
| Title |
|---|
| 魏今波,孟繁英,张光辉: "负压自动吸液配药器", 中华护理杂志, no. 08 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112389849A (en) * | 2020-10-23 | 2021-02-23 | 广州尚功塑胶有限公司 | Double-spring all-plastic vacuum pump |
| CN112570163A (en) * | 2020-12-23 | 2021-03-30 | 中山市美捷时包装制品有限公司 | External spring pump core device |
| CN112570165A (en) * | 2020-12-23 | 2021-03-30 | 中山市美捷时包装制品有限公司 | Disinfection spraying pressing pump device |
| CN112570165B (en) * | 2020-12-23 | 2024-01-23 | 广东美捷时控股股份有限公司 | Sterilizing spray pressing pump device |
| CN112896781A (en) * | 2021-01-14 | 2021-06-04 | 李嘉欣 | Emulsion pump |
| WO2023137832A1 (en) * | 2022-01-18 | 2023-07-27 | 中山市美捷时包装制品有限公司 | Recyclable all-plastic self-locking pump |
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Application publication date: 20200612 |