CN214628794U

CN214628794U - Constant-pressure inflatable watering can

Info

Publication number: CN214628794U
Application number: CN202120552015.4U
Authority: CN
Inventors: 陈灵芝
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2021-11-09
Anticipated expiration: 2031-03-17

Abstract

The utility model discloses a watering can is aerifyd to level pressure, including the watering can body to and watering can body internally mounted's inflator pump, the inside one-way piston of ventilating that is provided with of inflator pump, and one-way piston of inflating divide into two sections from top to bottom with the inflator pump inner space, still including installing the disappointing structure of pressure on one-way piston of inflating for the inside atmospheric pressure of restriction watering can body. The utility model relates to an articles for daily use technical field, the too high compression elastic component of the inside atmospheric pressure of watering can body to make the sealing member inefficacy, the inside too much gas of discharge watering can body, thereby guarantee that 1 inside atmospheric pressure of watering can body is in the certain limit, prevents the explosion.

Description

Constant-pressure inflatable watering can

Technical Field

The utility model relates to the technical field of articles for daily use, in particular to a constant-pressure inflatable watering can.

Background

In daily life, often can use the pressure watering can to water some plant flowers etc. when using, need inflate the inside of pressure watering can earlier, and the inflation process is exactly with inside external gas compression entering watering can, and in the use, the inside atmospheric pressure of pressure watering can is higher than outside atmospheric pressure for liquid in the watering can outwards spout through the nozzle under the atmospheric pressure effect.

In the inflation process, the user needs to judge the inflation amount according to the experience of the user, so that the inflation standard has large errors, if the inflation amount is too large, the internal air pressure of the spray can is too large, the explosion of the spray can is caused, and the user is injured due to property loss or even the user is injured.

Therefore, the utility model provides an inflatable watering can which can automatically discharge gas when the internal air pressure of the watering can is too large.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a watering can is aerifyd to level pressure when the inside atmospheric pressure of watering can is too big, opens the exhaust hole for the inside atmospheric pressure of watering can is guaranteed in certain extent, in order to play the guard action.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a watering can is aerifyd to level pressure, includes watering can body to and watering can body internally mounted's inflator pump, its characterized in that, the inside one-way piston of ventilating that is provided with of inflator pump, and one-way piston of inflating divide into about two sections with the inflator pump inner space, still including installing the disappointing structure of pressure on one-way piston of inflating for the inside atmospheric pressure of restriction watering can body.

The effect of this scheme does:

in the process of inflating the watering can body by the user, after the internal air pressure of the watering can body reaches a certain value, the next inflation process can lead to the gas of the lower half section of the inflator pump to be directly discharged from the pressure air leakage structure, and the gas can not enter the watering can body, so that the internal air pressure of the watering can body is prevented from being too large, and explosion is caused.

Preferably, the pressure air release mechanism comprises a first connecting piece, a second connecting piece, an elastic piece and the like, the upper surface of the one-way ventilating piston is provided with a through hole which is communicated with the upper section and the lower section of the inflator pump, the upper surface of the one-way ventilating piston is fixedly connected with the first connecting piece, the first connecting piece is far away from the one end of the one-way ventilating piston and is fixedly connected with the second connecting piece, the elastic piece is installed between the second connecting piece and the one-way ventilating piston, and the elastic piece is close to the one end of the one-way ventilating piston and is fixedly connected with a sealing piece used for sealing the through hole.

Has the advantages that: when the inside atmospheric pressure of watering can reaches a definite value, continue to inflate, can promote the sealing member after the gas compression of inflator pump half section and remove, compress the elastic component, the gas of inflator pump half section at this moment discharges through the through-hole, can not continue to aerify to watering can body inside, prevents the watering can body explosion.

Preferably, the elastic member adopts a compression spring, two ends of the compression spring respectively abut against the second connecting member and the sealing member, the first connecting member adopts a threaded rod, and the first connecting member is in threaded connection with the second connecting member.

Has the advantages that: the stress direction and the elastic direction of the compression spring are in the radial direction, the compression spring is convenient to mount, and the elastic part can be prevented from being inclined as far as possible. The elastic piece is more convenient to disassemble by adopting threaded connection and is convenient to replace when the elastic piece is damaged after long-term use.

Preferably, the upper surface of the first connecting piece is provided with a through hole aligned with the through hole, the elastic piece and the sealing piece are positioned inside the through hole, the outer side wall of the first connecting piece is provided with a small hole, and the other end of the small hole is communicated with the through hole.

Has the advantages that: the elastic piece and the sealing piece are arranged in the through hole, so that the elastic piece and the sealing piece can be prevented from being inclined, the failure rate of equipment is reduced, and the practicability of the equipment is improved.

Preferably, the sealing element is made of soft rubber, and the side wall of the sealing element, which is far away from the elastic element, is abutted against the upper surface of the one-way ventilating piston.

Has the advantages that: the soft rubber texture is softer, can make the sealing member laminate more with the surface of one-way ventilation piston, further improves the sealed effect of sealing member.

Preferably, one end of the elastic member close to the second connecting member is fixedly connected with a gasket, and one end of the gasket far away from the elastic member is abutted against the second connecting member.

Has the advantages that: the elastic part can move and deform frequently in the using process, the gasket can prevent the elastic part from damaging the second connecting piece, and the gasket can further prevent the elastic part from shaking or shifting to cause equipment failure.

Preferably, the one-way ventilation assembly comprises a vent hole, a porous baffle and a rubber membrane, wherein the porous baffle is fixedly connected to one end, close to the inside of the inflator, of the vent hole, the other end of the vent hole is fixedly provided with a plurality of rubber membranes, the upper surfaces of the plurality of rubber membranes abut against the porous baffle, and the plurality of rubber membranes completely cover the vent hole.

Has the advantages that: in the inflation stage, the air pressure inside the inflator is greater than the air pressure inside the watering can body, the rubber membrane is pushed open to achieve inflation, when the push-pull rod is pulled upwards, the air pressure inside the inflator is smaller than the air pressure inside the watering can body, the rubber membrane is blown upwards, but the rubber membrane is blocked by the porous baffle and cannot move, and therefore the air inside the watering can body cannot leak.

Preferably, the one-way inflatable piston comprises a movable plate, a rubber ring and the like, the movable plate is located inside the inflator pump, an annular mounting groove is formed in the outer side wall of the movable plate, the rubber ring is arranged in the annular mounting groove, a plurality of openings are formed in the side wall of the lower portion of the annular mounting groove, and the openings are arranged in a centrosymmetric mode.

Has the advantages that: when the moving block moves upwards, the rubber ring is attached to the lower surface of the annular mounting hole, the upper end and the lower end of the inflator pump are still communicated under the action of the opening, gas can enter the lower half section of the inflator pump at the moment, and when the push-pull rod presses downwards, the rubber ring is attached to the upper surface of the annular mounting hole, so that the upper end and the lower end of the inflator pump cannot be communicated, and the gas in the inflator pump moves in the sprayer body at the moment to achieve the effect of inflation.

Drawings

Fig. 1 is a schematic structural view of the outer side of a watering can body of a constant-pressure inflatable watering can provided by the utility model;

fig. 2 is a schematic structural view of an inflator of a constant-pressure inflation watering can according to the present invention;

FIG. 3 is a schematic view of the bottom structure of the inflator of the constant pressure inflation watering can of the present invention;

fig. 4 is a schematic structural view of a first connecting member of a constant-pressure inflatable watering can according to the present invention;

FIG. 5 is an exploded view of the elastic member of the constant pressure air-filled watering can according to the present invention;

FIG. 6 is a schematic view of the upper surface structure of the one-way ventilation piston of the constant pressure air-inflation watering can of the present invention

FIG. 7 is a schematic view of a one-way inflating piston structure of a constant pressure inflating watering can according to the present invention;

fig. 8 is a schematic structural view of the upper end of the inflator of the constant-pressure inflation watering can of the present invention.

In the figure: 1. a watering can body; 2. an inflator; 3. a push-pull rod; 4. moving the plate; 5. a through hole; 6. a first connecting member; 7. a small hole; 8. an elastic member; 9. a seal member; 10. a second connecting member; 11. a vent hole; 12. a porous baffle; 13. a rubber film; 14. an annular mounting groove; 15. a rubber ring; 16. an opening; 17. and (4) air inlet holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-8, a constant pressure inflatable watering can comprises a watering can body 1 and an inflator pump 2 arranged inside the watering can body 1, and is characterized in that a one-way ventilating piston is arranged inside the inflator pump 2, the one-way ventilating piston divides the inner space of the inflator pump 2 into an upper section and a lower section, and the constant pressure inflatable watering can further comprises a pressure air leakage structure arranged on the one-way ventilating piston and used for limiting the air pressure inside the watering can body 1.

The pressure air leakage mechanism comprises a first connecting piece 6, a second connecting piece 10, an elastic piece 8 and the like, through holes 5 which are communicated with the upper section and the lower section of the inflator pump 2 are formed in the upper surface of the one-way ventilating piston, the first connecting piece 6 is fixedly connected to the upper surface of the one-way ventilating piston, the second connecting piece 10 is fixedly connected to one end, far away from the one-way ventilating piston, of the first connecting piece 6, the elastic piece 8 is installed between the second connecting piece 10 and the one-way ventilating piston, and the sealing piece 9 used for sealing the through holes 5 is fixedly connected to one end, close to the one-way ventilating piston, of the elastic piece 8.

Elastic component 8 adopts compression spring, and compression spring's both ends offset with second connecting piece 10 and sealing member 9 respectively, first connecting piece 6 adopts the threaded rod, and first connecting piece 6 adopts threaded connection with second connecting piece 10, adopt threaded connection convenient dismantlement more, the convenient change when elastic component 8 uses for a long time and damages appears, compression spring's atress direction and elasticity direction are all on its radial direction, use compression spring easy to assemble, and can prevent elastic component 8 as far as from taking place crooked.

The through hole that aligns with through-hole 5 is seted up to the upper surface of first connecting piece 6, and elastic component 8 and sealing member 9 are located the inside of through hole, and aperture 7 has been seted up to the outside lateral wall of first connecting piece 6, and the other end of aperture 7 is linked together with the through hole, installs elastic component 8 and sealing member 9 and can prevent that elastic component 8 and sealing member 9 from taking place crooked inside the through hole, reduces the fault rate of equipment, increases the practicality of equipment.

The upper surface of second connecting piece 10 is fixed and is connected with push-and-pull rod 3, and the lateral wall fixedly connected with handle that watering can body 1 is run through to the upper end of push-and-pull rod 3, a plurality of inlet ports 17 have been seted up to the upper end of inflator pump 2, and a plurality of inlet ports 17 central symmetry sets up, when the movable block 4 moves down, ambient gas gets into inside inflator pump 5 through inlet port 17, make the atmospheric pressure of inflator pump 5 upper end unanimous with external atmospheric pressure, convenient inflatable lasts, convenience of customers grasps the handle with the hand and aerifys watering can body 1 through push-and-pull rod 3.

Sealing member 9 adopts soft rubber to make, and sealing member 9 keeps away from the lateral wall of elastic component 8 and offsets with the upper surface of one-way ventilation piston, and soft rubber texture is softer, can make sealing member 9 and one-way ventilation piston's surface laminate more, further improves sealing member 9's sealed effect.

The lower extreme of inflator pump 2 is provided with the one-way subassembly of ventilating, and the air inlet of the one-way subassembly of ventilating is located the inside of inflator pump 2, and the one-way subassembly of ventilating can guarantee that the gas in watering can body 1 can not be to the backward flow in inflator pump 2.

The one end fixedly connected with gasket that elasticity piece 8 is close to second connecting piece 10, and the gasket is kept away from the one end of elasticity piece 8 and is offseted with second connecting piece 10, and elasticity piece 8 can take place to remove and deformation often in the use, and the gasket can prevent that elasticity piece 8 from leading to the fact the damage to second connecting piece 10, and the gasket can further prevent that elasticity piece 8 from rocking or shifting in addition, leads to equipment to break down.

The one-way ventilation assembly comprises a vent hole 11, a porous baffle plate 12 and a rubber membrane 13, the vent hole 11 is close to the porous baffle plate 12 of the one end fixedly connected with inside of the inflator pump 2, the other end of the vent hole 11 is fixed with a plurality of rubber membranes 13, the upper surfaces of the plurality of rubber membranes 13 are abutted to the porous baffle plate 12, the plurality of rubber membranes 13 completely cover the vent hole 11, in the inflation stage, the air pressure inside the inflator pump 2 is larger than the air pressure inside the sprayer body 1, the rubber membranes 13 are pushed open, inflation is realized, when the push-pull rod 3 is pulled upwards, the air pressure inside the inflator pump 2 is smaller than the air pressure inside the sprayer body 1, the rubber membranes 13 are blown upwards, but the rubber membranes 13 are blocked by the porous baffle plate 12 and cannot move, so the gas inside the sprayer body 1 cannot leak.

The unidirectional inflating piston comprises a moving plate 4, a rubber ring 15 and the like, the moving plate 4 is located inside the inflator pump 2, an annular mounting groove 14 is formed in the outer side wall of the moving plate 4, the rubber ring 15 is arranged in the annular mounting groove 14, a plurality of openings 16 are formed in the lower side wall of the annular mounting groove 14, the plurality of openings 16 are arranged in a central symmetry mode, when the moving block 4 moves upwards, the rubber ring 15 is attached to the lower surface of the annular mounting hole 14, the upper end and the lower end of the inflator pump 2 are still communicated under the action of the openings 16, gas can enter the lower half section of the inflator pump 2 at the moment, when the push-pull rod 3 presses downwards, the rubber ring 15 is attached to the upper surface of the annular mounting hole 14, the upper end and the lower end of the inflator pump 2 cannot be communicated, the gas in the inflator pump 2 at the moment wants to move in the sprayer body 1, and the inflating effect is achieved.

In the utility model, when in use, an operator pushes and pulls the push-pull rod 3 to inflate the sprinkling can body 1, when the push-pull rod 3 is lifted upwards, the gas enters the lower half section of the inflator 2 through the one-way ventilating piston, when the push-pull rod 3 is pressed downwards, the gas inside the inflator 2 is compressed, the gas pressure can be increased while the compression is carried out, when the gas pressure in the inflator 2 is higher than the gas pressure in the sprinkling can body 1, the gas can be inflated into the sprinkling can body 1 through the one-way ventilating component,

along with the continuation of inflation process, atmospheric pressure in watering can body 1 risees gradually, after atmospheric pressure reaches a definite value in watering can body 1, continue to push down push-pull rod 3 when aerifing in watering can body 1, atmospheric pressure in inflator pump 2 risees gradually, when atmospheric pressure in inflator pump 2 is unanimous with watering can body 1 atmospheric pressure, this atmospheric pressure can upwards jack-up sealing member 9, and compression elastic component 8, gas in inflator pump 2 can discharge through-hole 5 and not get into watering can body 1 this moment, make atmospheric pressure in watering can body 1 no longer increase, prevent that watering can body 1 from dashing into too much gas and leading to the explosion, protection user's safety.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a watering can is aerifyd to level pressure, includes watering can body (1) to and watering can body (1) internally mounted's inflator pump (2), its characterized in that, inflator pump (2) inside is provided with one-way piston of ventilating, and one-way piston of inflating divide into about inflator pump (2) inner space two sections, still including installing the pressure structure of losing heart on one-way piston of inflating for the inside atmospheric pressure of restriction watering can body (1).

2. The constant-pressure air inflation watering can according to claim 1, wherein the pressure air release mechanism comprises a first connecting piece (6), a second connecting piece (10), an elastic piece (8) and the like, the upper surface of the one-way ventilation piston is provided with a through hole (5) which is communicated with the upper section and the lower section of the inflator pump (2), the upper surface of the one-way ventilation piston is fixedly connected with the first connecting piece (6), the first connecting piece (6) is far away from the one end of the one-way ventilation piston and is fixedly connected with the second connecting piece (10), the elastic piece (8) is arranged between the second connecting piece (10) and the one-way ventilation piston, and the elastic piece (8) is close to the one end of the one-way ventilation piston and is fixedly connected with a sealing piece (9) which is used for sealing the through hole (5).

3. A constant pressure air-filled watering can according to claim 2, characterized in that the resilient member (8) is a compression spring, and the two ends of the compression spring are respectively abutted against the second connecting member (10) and the sealing member (9), the first connecting member (6) is a threaded rod, and the first connecting member (6) and the second connecting member (10) are connected by a thread.

4. A constant pressure air-filled watering can according to claim 2, wherein the upper surface of the first connecting member (6) is provided with a tube perforation aligned with the through hole (5), the elastic member (8) and the sealing member (9) are positioned inside the tube perforation, the outer side wall of the first connecting member (6) is provided with a small hole (7), and the other end of the small hole (7) is communicated with the tube perforation.

5. The constant-pressure inflatable watering can according to claim 2, wherein a push-pull rod (3) is fixedly connected to the upper surface of the second connecting member (10), a handle is fixedly connected to the upper end of the push-pull rod (3) penetrating through the side wall of the watering can body (1), a plurality of air inlets (17) are formed in the upper end of the inflator (2), and the plurality of air inlets (17) are arranged in a central symmetry manner.

6. A constant pressure air-filled watering can according to claim 5, characterized in that the sealing element (9) is made of soft rubber, and the side wall of the sealing element (9) far from the elastic element (8) is pressed against the upper surface of the one-way vent piston.

7. A constant pressure air-filled watering can according to claim 2, characterized in that the lower end of the inflator (2) is provided with a one-way vent assembly, and the air inlet of the one-way vent assembly is located inside the inflator (2).

8. A constant pressure air-filled watering can according to claim 2, characterized in that a gasket is fixedly connected to the end of the resilient member (8) close to the second connecting member (10), and the end of the gasket remote from the resilient member (8) abuts against the second connecting member (10).

9. A constant-pressure inflatable watering can according to claim 8, wherein the one-way vent assembly comprises a vent hole (11), a porous baffle (12) and a rubber membrane (13), the porous baffle (12) is fixedly connected to one end of the vent hole (11) close to the inside of the inflator (2), the rubber membranes (13) are fixed to the other end of the vent hole (11), the upper surfaces of the rubber membranes (13) abut against the porous baffle (12), and the rubber membranes (13) completely cover the vent hole (11).

10. The constant-pressure inflation watering can as claimed in claim 1, wherein the unidirectional inflation piston comprises a moving plate (4) and a rubber ring (15), the moving plate (4) is located inside the inflator pump (2), an annular mounting groove (14) is formed in the outer side wall of the moving plate (4), the rubber ring (15) is arranged in the annular mounting groove (14), a plurality of openings (16) are formed in the lower side wall of the annular mounting groove (14), and the plurality of openings (16) are arranged in a central symmetry manner.