CN214085703U - Liquid distributor that one hand was pressed - Google Patents

Abstract

The utility model discloses a liquid distributor pressed by one hand, which comprises a cylinder body, a pump component, a handle component, a liquid outlet component and a pressing plate, wherein the front end of the pressing plate is rotationally connected with the handle component, and the middle part of the pressing plate is abutted against the pump component; compared with the prior art, the utility model discloses a distributor during the use, when exerting decurrent effort to the clamp plate from clamp plate rear end, the clamp plate becomes the fulcrum with the junction of handle subassembly, through lever principle, the clamp plate will start with the pump package spare of middle part butt, realizes using less power just can pump out solution, accords with ergonomic, can realize that the one hand presses out the liquid.

Description

Liquid distributor that one hand was pressed

Technical Field

The utility model relates to a liquid distributor technical field especially relates to a liquid distributor that one hand was pressed.

Background

Various liquid dispenser products including emulsion pumps, foam pumps and spray pumps are increasingly widely used in various liquid packages, are convenient for quantitative use, have the characteristics of attractive appearance and various functions, and are deeply favored by cosmetics, daily chemical enterprises and consumers. In various liquid dispenser products on the market at present, except for small-capacity packages, particularly dispensers used on cosmetic packages, the dispensers can be operated by a single hand due to small size, other daily chemical products with large capacity are large in size and pressing stroke due to large containers, need to be placed on the ground or a table top, are pressed by one hand, and are used by a bare hand or a container, so that the use is inconvenient. Patent application No. 2017101455493, utility model "a foam pump head and emulsion pump head are pressed with one hand" of grant publication No. CN 107008591B, the pump head is pressed with one hand and includes a foam pump body and an emulsion pump body, the pump body is composed of a pressing head, a communicating pipe and a fixed liquid outlet outer cover, the fixed liquid outlet outer cover is provided with a section of vertical communicating pipe and is connected with the connecting end of the bottle body through the communicating pipe; the communicating pipe is provided with a foam or liquid channel, the top of the communicating pipe is provided with a section of horizontal communicating pore canal, the horizontal communicating pore canal is communicated with a section of inserting pipe which is vertically downward, the communicating pipe is pressed downwards under stress to enable the inserting pipe to be inserted into the liquid outlet inner end of the fixed liquid outlet outer cover, and the communicating pipe and the liquid outlet inner end form a top liquid outlet channel and are communicated. When the bottle is used, the bottle body needs to be held by hands, and the head of the pump head is pressed by fingers to drive the pressing head and the communicating pipe to reciprocate up and down. This one-handed operation is likewise relatively laborious when the containers are of large volume or have a large liquid capacity.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the problem that prior art exists, provide a liquid distributor that one hand was pressed.

In order to achieve the above object, the utility model discloses a technical scheme is a liquid distributor that one hand was pressed, connects in the opening part of solution bottle, liquid distributor that one hand was pressed includes:

the cylinder body is connected to the opening of the solution bottle and is provided with a cavity, a liquid inlet hole and an air return hole, the liquid inlet hole is used for enabling liquid in the solution bottle connected with the cylinder body to enter the cavity through the liquid inlet hole, and the air return hole is used for enabling the cavity to be communicated with air in the solution bottle so as to balance the air pressure in the solution bottle with the air pressure outside;

the pump assembly is arranged in the cavity and is used for outputting liquid in the cavity;

the handle assembly is sleeved at the opening end above the cylinder body and is provided with a through hole communicated with the cavity;

the liquid outlet assembly is sleeved in the through hole of the handle assembly of the handle cover, and the liquid inlet end of the liquid outlet assembly is communicated with the liquid outlet end of the pump assembly;

the front end of the pressure plate is rotatably connected with the handle assembly, and the middle part of the pressure plate is abutted against the pump assembly;

when the liquid distributor pressed by one hand is not started, the air return hole is sealed by the pump assembly, when the liquid distributor pressed by one hand is started, the rear end of the pressing plate is pressed downwards, the front end of the pressing plate rotates around the joint of the pressing plate and the handle assembly, downward acting force is applied to the pump assembly by the middle of the pressing plate, the pump assembly is started, and liquid in the cavity is pumped out by the pump assembly through the liquid outlet assembly.

As an improvement, the pump package spare includes the movable sleeve, a piston, feed liquor switch and play liquid switch, the movable sleeve cover is located in the through-hole of handle subassembly and upper end and clamp plate butt, the piston is located in the cavity and is connected with the lower extreme of movable sleeve, the feed liquor end and the cavity intercommunication of piston, the play liquid end of piston and the feed liquor end intercommunication of play liquid subassembly, when the liquid distributor that single hand was pressed is not started, the piston will return the gas pocket and seal, the feed liquor switch is used for sealing the feed liquor end of piston and opening the feed liquor hole, it is sealed that the play liquid switch is used for the play liquid end of piston, when the liquid distributor that single hand was pressed is started, the piston moves down and opens the gas pocket, the feed liquor switch is used for opening the feed liquor end of piston and sealed feed liquor hole, it is used for opening the play liquid end of piston to go out liquid switch.

As an improvement of the utility model, the upper end both sides of movable sleeve upwards extend and have the connecting wall, and the outside of connecting wall is equipped with annular step face, and the middle part of clamp plate be equipped with arc bone position, connect in the wall stretches into the through-hole of handle subassembly and make arc bone position connect in annular step face.

As an improvement of the utility model, the piston divide into one-level piston and second grade piston, the one-level piston is bilayer structure, inside upwards extends has the centre bore seat that has the centre bore, the one-level piston cup joints in the movable sleeve, the lower extreme of second grade piston for the flaring form and with cavity inner wall adaptation, the cavity is the solution chamber with the part of second grade piston lower extreme intercommunication, the solution chamber, the centre bore seat, one-level piston and play liquid subassembly communicate in proper order, the feed liquor switch is used for opening or the centre bore of sealed centre bore seat, it is used for opening or the play liquid end of sealed one-level piston to go out the liquid switch, and make the play liquid end of one-level piston remain encapsulated situation with the movable sleeve all the time.

As an improvement of the utility model, the liquid inlet switch comprises a limiting seat, an auxiliary column and a reset piece, the limiting seat is arranged at the bottom of the cavity, the lower end of the auxiliary column is connected in the limiting seat in a sliding way, the upper end of the auxiliary column extends into the liquid inlet end of the piston, and the reset piece is positioned between the limiting seat and the piston; when the liquid distributor pressed by one hand is not started, a gap is formed between the lower end of the auxiliary column and the liquid inlet hole, the liquid inlet hole is in an open state, the upper end of the auxiliary column seals the liquid inlet end of the piston, when the pressing plate is pressed, the liquid inlet end of the piston is opened, and the lower end of the auxiliary column seals the liquid inlet hole.

As an improvement of the utility model, be equipped with vertex of a cone and one-way valve block on the auxiliary column, the vertex of a cone is located the upper end of auxiliary column and is used for opening or the feed liquor end of sealed piston, and the bottom of auxiliary column is located to one-way valve block and is used for opening or the feed liquor hole of sealed cylinder body.

As an improvement of the utility model, be equipped with a plurality of spacing breachs on the spacing seat, be equipped with many spacing ribs on the auxiliary column, spacing rib sliding connection is in spacing breach.

As an improvement of the utility model, the outside of at least one spacing breach is equipped with spacing bump, and when the feed liquor end of piston was sealed at the auxiliary column, spacing rib that corresponds with spacing bump was spacing by spacing bump.

As an improvement of the utility model, the liquid outlet switch includes fixed cover and one-way valve core, and fixed cover upper end is connected with the feed liquor end of going out the liquid subassembly, and the lower pot head of fixed cover is located between movable sleeve and the piston, is equipped with the case seat that stretches into the feed liquor end of piston in the fixed cover, and one-way valve core is arranged in on the case seat and is used for opening or the play liquid end of sealed piston.

As an improvement of the utility model, the inner wall of the valve core seat is a conical surface, and the one-way valve core is provided with a sealing conical surface matched with the conical surface.

As an improvement of the utility model, the handle component comprises a cover and a handle, the cover is connected at the opening end above the cylinder body, a through hole communicated with the cavity is arranged in the cover, and the handle is connected with the cover.

As an improvement of the utility model, the liquid outlet component comprises a liquid outlet pipe and a nozzle, the liquid inlet end of the liquid outlet pipe is sleeved in the through hole of the handle component, and the nozzle is connected with the liquid outlet end of the liquid outlet pipe.

As an improvement of the utility model, the through hole in the nozzle is inclined downwards from the end face close to the nozzle to the direction connecting one end with the drain pipe.

As an improvement of the utility model, the liquid outlet component further comprises a diffusion nozzle and a spraying valve core, the diffusion nozzle is detachably connected at the front end of the nozzle, and the spraying valve core is connected in the diffusion nozzle.

As an improvement of the utility model, there are several side grooves on the circumference side of spraying case, and the front end of spraying case is equipped with and communicates and tangent central concave surface with side groove, and the rear end of spraying case is equipped with several spacing muscle, and when spraying case and diffusion mouth were connected, central concave surface and the inboard bottom plane of diffusion mouth offset, and spacing muscle offsets with the terminal surface of diffusion mouth.

As an improvement of the utility model, the liquid outlet component also comprises a bubbler, and the bubbler is connected with the front end of the diffusion nozzle.

As an improvement of the utility model, the bubbler includes the screen panel frame and locates the net piece in the screen panel frame, the integrative injection moulding of screen panel frame and diffusion mouth is connected with between screen panel frame and the diffusion mouth and is connected gluey position, bends to connect gluey position, screen panel frame lock in the front end of diffusion mouth.

As an improvement of the utility model, the utility model also comprises a fixing clamp, and the fixing clamp is arranged between the pressing plate and the handle component, and is used for limiting the pressing plate action before the liquid distributor pressed by one hand is started.

As an improvement of the utility model, the utility model also comprises a liquid guiding pipe which is connected with the lower end of the cylinder body and communicated with the liquid inlet hole.

Compared with the prior art, the utility model discloses a liquid distributor that one hand was pressed has following advantage:

1. the utility model discloses a liquid distributor that one hand was pressed, the clamp plate front end rotates with the handle subassembly to be connected, and the clamp plate middle part stretch into in the through-hole of handle subassembly with the pump assembly butt, during the use, when exerting decurrent effort to the clamp plate from the clamp plate rear end, the clamp plate becomes the fulcrum with the junction of handle subassembly, and through lever principle, the clamp plate will start with the pump assembly of middle part butt, realizes using less power just can pump out solution.

2. The utility model discloses a liquid distributor that single hand was pressed, the pump body is connected the back with the solution bottle bottleneck, and four fingers (or forefinger and other fingers) of single hand grip the handle subassembly, have carried the solution bottle, and the rear end of clamp plate is pressed to the thumb, through lever principle, the liquid pressing process is easily realized to the single hand, can press the action with the most convenient, laborsaving bottle mode of holding during the operation, cooperation thumb, accord with ergonomic, can easily realize that the single hand is pressed and is gone out liquid.

Drawings

FIG. 1 is a cross-sectional view of a first embodiment of a single-handed depressed liquid dispenser of the present invention;

FIG. 2 is a cross-sectional view of a first embodiment of a single-handed press liquid dispenser of the present invention pressing a platen;

FIG. 3 is a schematic view showing the positions and connection relationships of the pressing plate, the handle assembly and the movable sleeve;

FIG. 4 is a structural schematic of the condom;

FIG. 5 is a schematic structural view of a sub-column;

FIG. 6 is a top view of the position limiting base;

FIG. 7 is a cross-sectional view of the spacing block;

FIG. 8 is a top view of the check valve cartridge;

FIG. 9 is a cross-sectional view of the check valve cartridge;

FIG. 10 is a cross-sectional view of the handle assembly;

FIG. 11 is a top view of the platen;

FIG. 12 is a cross-sectional view of the platen;

FIG. 13 is a cross-sectional view of a second embodiment of a single-handed depressed liquid dispenser of the present invention;

FIG. 14 is a top view of the spray valve cartridge;

FIG. 15 is a cross-sectional view of the spray valve cartridge;

FIG. 16 is a bottom view of the spray valve cartridge;

FIG. 17 is a cross-sectional view of a third embodiment of a one-handed depressed liquid dispenser of the present invention;

FIG. 18 is a schematic view showing the connection relationship and structure of the bubbler and the diffusion nozzle;

in the figure: 1. the cylinder body, 11, a cavity, 12, a liquid inlet hole, 13, an air return hole, 2, a pump assembly, 21, a movable sleeve, 211, a connecting wall, 212, an annular step surface, 22, a piston, 221, a primary piston, 2211, a central hole seat, 222, a secondary piston, 23, a liquid inlet switch, 231, a limiting seat, 2311, a limiting notch, 2312, a limiting salient point, 232, a secondary column, 2321, a conical top, 2322, a one-way valve plate, 2323, a limiting rib, 233, a resetting piece, 24, a liquid outlet switch, 241, a fixing sleeve, 2411, a valve core seat, 242, a one-way valve core, 2421, a sealing conical surface, 3, a handle assembly, 31, a handle cover, 311, a shaft hole, 32, a handle, 4, a liquid outlet assembly, 41, a liquid outlet pipe, 42, a nozzle, 43, a diffusion nozzle, 44, a spray valve core, 441, a side groove, 442, a central concave surface, 443, a limiting rib, 45, a foaming device, 451, a frame, 452, a mesh cover, a liquid outlet assembly, a liquid outlet pipe, a liquid outlet pipe, a safety valve core, a safety valve, a safety, 453. Connecting rubber position, 5 pressing plate, 51 arc bone position, 52 hinge shaft, 6 fixing clamp and 7 liquid guiding tube

Detailed Description

The present invention will be further described with reference to the accompanying drawings and preferred embodiments.

The first embodiment is as follows:

as shown in fig. 1 and 2, fig. 1 is a cross-sectional view of a one-handed pressing liquid dispenser of the present embodiment; fig. 2 is a sectional view of the liquid dispenser of the present embodiment pressed by one hand when pressing a pressing plate. As shown in the figure, the liquid distributor pressed by one hand is connected to the bottle mouth of the solution bottle when in use, and comprises a cylinder body 1, a pump assembly 2, a handle assembly 3, a liquid outlet assembly 4, a pressing plate 5, a fixing clamp 6 and a liquid guiding pipe 7, wherein the cylinder body 1 is provided with a cavity 11, a liquid inlet hole 12 and an air return hole 13, the liquid inlet hole 12 is used for enabling liquid in the solution bottle to enter the cavity 11 through the liquid inlet hole, and the air return hole 13 is used for enabling the cavity 11 to be communicated with air in the solution bottle so as to balance the air pressure in the solution bottle with the external air pressure; the pump assembly 2 is arranged in the cavity 11 and used for outputting liquid in the cavity 11; the handle component 3 is sleeved at the opening end above the cylinder body 1, and the handle component 3 is provided with a through hole communicated with the cavity 11; the liquid outlet assembly 4 is sleeved in the through hole of the handle assembly 3, and the liquid inlet end of the liquid outlet assembly 4 is communicated with the liquid outlet end of the pump assembly 2; the front end of the pressure plate 5 is rotatably connected with the handle component 3, and the middle part of the pressure plate is abutted against the pump component 2; the fixing clamp 6 is arranged between the pressing plate 5 and the handle component 3; the liquid guiding pipe 7 is connected to the lower end of the cylinder body 1 and is communicated with the liquid inlet hole 12. When the liquid dispenser is used, the liquid dispenser pressed by one hand is connected to the bottle mouth of the solution bottle in a thread or buckling mode, the pump body 1 extends into the solution bottle, when the liquid dispenser pressed by one hand is not used, the fixing clamp 6 is used for limiting the action of the pressing plate 5, and the air return hole 13 is sealed by the pump assembly 2; when the liquid dispenser pressed by one hand is started, the fixing clamp 6 is drawn out from between the pressing plate 5 and the hand component 3, then the handle component is held by four fingers (or index finger and other fingers) of one hand, the solution bottle is lifted, the rear end of the pressing plate 5 is pressed by the thumb, through the lever principle, the front end of the pressing plate 5 rotates around the joint of the pressing plate 5 and the handle component 3, downward acting force is applied to the pump component 2 by the middle part of the pressing plate 5, the pump component 2 is started, liquid in the cavity 11 is pumped out by the pump component 2 through the liquid outlet component 4, the liquid pressing process is easily realized by one hand, the bottle holding mode which is most convenient and labor-saving during operation can be matched with the thumb to press, the liquid dispenser accords with ergonomics, and liquid outlet pressed by one hand can be realized.

Referring to fig. 1 and 2, as shown in the drawing, in the present embodiment, the pump assembly 2 includes a movable sleeve 21, a piston 22, a liquid inlet switch 23 and a liquid outlet switch 24, the movable sleeve 21 is sleeved in the through hole of the handle assembly 3, and the upper end of the movable sleeve is abutted to the pressure plate 5, the piston 22 is disposed in the cavity 11 and connected to the lower end of the movable sleeve 21, the liquid inlet end of the piston 22 is communicated with the cavity 11, the liquid outlet end of the piston 22 is communicated with the liquid inlet end of the liquid outlet assembly 4, when the liquid dispenser pressed by one hand is not activated, the piston 22 seals the air return hole 13, the liquid inlet switch 23 seals the liquid inlet end of the piston 22 and opens the liquid inlet hole 12, the liquid outlet switch 24 seals the liquid outlet end of the piston 22, when the liquid dispenser pressed by one hand is activated, the rear end of the pressure plate 5 is pressed, the front end of the pressure plate 5 rotates around the connection with the handle assembly 5, the middle portion of the pressure plate 5 moves downward and pushes the movable sleeve 22 to move downward, the piston 22 moves downwards along with the movable sleeve 21 and opens the air return hole 13, part of air in the cavity 11 at the lower end of the piston 22 is compressed, the liquid inlet switch 23 opens the liquid inlet end of the piston 22 and seals the liquid inlet hole 12, liquid in the cavity 11 enters the piston 22 through the liquid inlet end of the piston 22, gas and liquid in the piston 22 are flushed upwards, the liquid outlet switch 24 opens the liquid outlet end of the piston 22, and liquid in the solution bottle is sprayed out through the liquid outlet assembly 4.

Referring to fig. 1 and 2, as shown in the figure, in the present embodiment, the handle assembly 3 includes a handle cover 31 and a handle 32, the handle cover 31 is connected to the upper opening end of the cylinder body 1, a through hole communicated with the cavity 11 is formed in the handle cover 31, and the handle 32 is connected to the handle cover 31; the liquid outlet assembly 4 comprises a liquid outlet pipe 41 and a nozzle 42, wherein the liquid inlet end of the liquid outlet pipe 41 is sleeved in the through hole of the handle cover 31, the nozzle 42 is connected to the liquid outlet end of the liquid outlet pipe 41, and the liquid inlet end of the liquid outlet pipe 41 is communicated with the liquid outlet end of the piston 22.

Referring to fig. 1 to 4, fig. 3 is a schematic view illustrating the positions and connection relationships of the pressing plate, the handle assembly and the movable sleeve;

fig. 4 is a structural schematic of the condom. As shown in the drawings, in the present embodiment, two sides of the upper end of the movable sleeve 21 extend upward to form connecting walls 211, the outer side of the connecting walls 211 is provided with an annular step surface 212, the middle portion of the pressure plate 5 is provided with an arc-shaped bone position 51, and the connecting walls 211 extend into the through hole of the handle assembly 3 and connect the arc-shaped bone position 51 to the annular step surface 212. When the rear end of the pressing plate 5 is pressed downwards, the pressing plate 5 and the cover handle 31 are connected in a rotating mode, so that the joint of the pressing plate 5 and the cover handle 31 serves as a fulcrum, the arc-shaped bone 51 on the lower side of the pressing plate 5 pushes the annular step surface 212 contacted with the arc-shaped bone downwards through the lever principle, and the solution can be pumped out with small force.

Referring to fig. 10 to 12, fig. 10 is a sectional view of the handle assembly; FIG. 11 is a top view of the platen; fig. 12 is a cross-sectional view of the platen. As shown in the drawings, in the present embodiment, the cover 31 is provided with a shaft hole 311 for rotatably connecting with the pressure plate 5, and the pressure plate 5 is provided with a hinge shaft 52 hinged in the shaft hole 311. Pressing the pressing plate 5 causes the hinge shaft 52 of the pressing plate 5 to rotate around the shaft hole 311.

Referring to fig. 1 and 2, as shown in the figure, in the present embodiment, the piston 22 is divided into the primary piston 221 and the secondary piston 222, the primary piston 221 is a double-layer structure, a central hole seat 2211 having a central hole extends upward inside, the primary piston 221 is sleeved inside the movable sleeve 21, the lower end of the secondary piston 222 is flared and is adapted to the inner wall of the cavity 11, the portion of the cavity 11 communicated with the lower end of the secondary piston 222 is a solution cavity, the central hole seat 2211, the primary piston 221 and the liquid outlet assembly 4 are sequentially communicated, the liquid inlet switch 23 is used for opening or sealing the central hole of the central hole seat 2211, and the liquid outlet switch 24 is used for opening or sealing the liquid outlet end of the primary piston 221, so that the liquid outlet end of the primary piston 221 and the movable sleeve 21 are always kept in a sealed state.

Referring to fig. 1 and 2, as shown in the figure, in the present embodiment, the liquid inlet switch 23 includes a limiting seat 231, an auxiliary column 232 and a resetting piece 233, the limiting seat 231 is disposed at the bottom of the cavity 11, the lower end of the auxiliary column 232 is slidably connected in the limiting seat 231, the upper end of the auxiliary column 232 extends into the central hole seat 2211 inside the primary piston 221, and the resetting piece 233 is located between the limiting seat 231 and the secondary piston 222; referring to fig. 1, 2 and 5, fig. 5 is a schematic structural view of the sub-column. As shown in the figure, the auxiliary column 232 is provided with a conical top 2321 and a one-way valve block 2322, the conical top 2321 is arranged at the upper end of the auxiliary column 232 and is used for opening or sealing the central hole of the central hole seat 2211, the one-way valve block 2322 is arranged at the bottom of the auxiliary column 232 and is used for opening or sealing the liquid inlet hole 12 of the cylinder body 1, when the liquid distributor pressed by one hand is not used, a gap is formed between the lower end of the auxiliary column 232 and the liquid inlet hole 12, the liquid inlet hole 12 is in an open state, and the conical top 2321 at the upper end of the auxiliary column 232 seals the central hole of the central hole seat 2211 of the piston 22; referring to fig. 1 and 2, as shown in the figure, when the pressing plate 5 is pressed, the piston 22 moves downward, the conical top 2321 leaves the central hole of the central hole seat 2211 of the piston 22, the central hole of the central hole seat 2211 is opened, meanwhile, under the self-gravity of the auxiliary column 232, the auxiliary column 232 descends, and the one-way valve plate 2322 at the lower end of the auxiliary column 232 seals the liquid inlet hole 12. When the liquid storage device is specifically applied, the reset piece 233 adopts a spring, the spring is sleeved on the auxiliary column 232, when the pressing plate 5 is pressed, the piston 22 descends along with the movable sleeve 21 and extrudes the reset piece 233, after the acting force on the pressing plate 5 is relieved, the reset piece 233 resets and pushes the piston 22 to reset, the one-way valve sheet 2322 at the lower end of the auxiliary column 232 leaves the liquid inlet hole 12, the liquid inlet hole 12 is opened, and the liquid in the solution bottle enters the solution cavity through the liquid inlet 12 again.

In this embodiment, the limiting seat 231 is provided with a plurality of limiting notches 2311, the auxiliary column 232 is provided with a plurality of limiting ribs 2323, and the limiting ribs 2323 are slidably connected in the limiting notches 2311. Referring to fig. 5 to 7, fig. 6 is a top view of the limiting seat; FIG. 7 is a cross-sectional view of the spacing block. As shown in the figure, in a specific application, the limiting notch 2311 on the limiting seat 231 is cross-shaped, the limiting rib 2323 on the auxiliary column 232 is adapted to the limiting notch 2311, and when the limiting rib 2323 is connected to the limiting notch 2311, a gap exists between the limiting notch 2311 and the limiting rib 2323, after the piston 22 is reset, the auxiliary column 232 opens the liquid inlet hole 12, the solution in the solution bottle enters the liquid inlet 12 through the liquid guide tube 7, and then enters the solution cavity through the gap between the limiting notch 2311 and the limiting rib 2323. Spacing breach 2311 and spacing rib 2323 cooperation both can make vice post 232 only can reciprocate when using the liquid distributor that the one hand of this embodiment was pressed, and can not take place the skew, can ensure that 232 keeps sealed effectual state to the feed liquor hole 12 or the feed liquor end of piston 22.

Referring to fig. 5 to 7, fig. 6 is a top view of the limiting seat; FIG. 7 is a cross-sectional view of the spacing block. As shown in the drawing, in this embodiment, a limiting protruding point 2312 is disposed on an outer side of at least one limiting notch 2311, a length of a limiting rib 2323 assembled in the limiting notch 2311 is smaller than a height of the limiting protruding point 2312 from the bottom of the limiting seat 231, the sub-column 232 is assembled in the limiting seat 231 along the limiting notch 2311 in a fixed direction, when the one-way valve plate 2322 at the bottom of the sub-column 232 seals the liquid inlet 12 at the bottom of the cavity 11, the limiting protruding point 2312 is located above the limiting rib 2323, and a gap is formed between the upper side of the limiting rib 2323 and the limiting protruding point 2312, when the liquid dispenser pressed by one hand in this embodiment is not used, the sub-column 232 is jacked up under the action of the reset member 233, the sub-column 232 seals the liquid inlet end of the piston 22, at this time, the limiting rib 2323 corresponding to the limiting protruding point 2312 abuts against the limiting protruding point 2312 and is limited by the limiting protruding point 2312, so that the sub-column 232 can be prevented from moving upwards under the action of the reset member 233 in an excessive amount, and thus the inlet end of the piston 22 cannot be sealed.

Referring to fig. 1, 2, 8 and 9, fig. 8 is a top view of the check valve core; fig. 9 is a cross-sectional view of the check valve cartridge. As shown in the figure, in the present embodiment, the liquid outlet switch 24 includes a fixed sleeve 241 and a one-way valve core 242, an upper end of the fixed sleeve 241 is connected to a liquid inlet end of the liquid outlet pipe 41, a lower end of the fixed sleeve 241 is sleeved between the movable sleeve 21 and the primary piston 221 and always keeps a sleeved state with the primary piston 221 when the piston 22 moves downward, and the liquid outlet end of the primary piston 221 always keeps a sealed state with the movable sleeve 21, a valve core seat 2411 is arranged in the fixed sleeve 241, an inner wall of the valve core seat 2411 is a conical surface, the one-way valve core 242 is arranged on the valve core seat 2411, and the one-way valve core 242 is provided with a sealing conical surface 2421 adapted to the conical surface for opening or sealing the liquid outlet end of the primary piston 221. When the pressing plate 5 is pressed, the middle part of the pressing plate 5 moves downwards and pushes the movable sleeve 22 to move downwards, the piston 22 moves downwards along with the movable sleeve 21, the primary piston 221 moves downwards relative to the fixed sleeve 241, the secondary piston 222 moves downwards relative to the limiting seat 231 and opens the air return hole 13, the secondary column 232 descends under the self gravity and seals the liquid inlet hole 12, after the piston 22 descends continuously and the descending height is larger than the descending height of the secondary column 232, the conical top 2321 at the upper end of the secondary column 232 leaves the central hole of the central hole seat 2211, the liquid inlet end of the piston 22 is opened, part of air at the lower end of the secondary piston 222 of the cavity 11 is compressed, liquid in the cavity 11 enters the primary piston 221 through the central hole of the central hole seat 2211, gas and liquid in the primary piston 221 rush upwards along the primary piston 221, the one-way valve core 242 leaves the valve seat 2411, the liquid outlet end of the primary piston 221 is opened, and liquid in the solution bottle enters the liquid outlet pipe 41 through the primary piston 221, and then ejected from the nozzle 42.

Referring to fig. 1 and 2, in the present embodiment, as shown in the drawings, the through hole in the nozzle 42 is inclined downward from the end surface near the nozzle 42 to the end connected to the drain pipe 41. After the hydraulic fluid is finished, the residual fluid at the fluid outlet of the nozzle 42 can flow back to the space above the sealing conical surface 2421 along the inclined through hole of the nozzle 42, so as to prevent the fluid from dripping from the nozzle 42.

Example two

The structure and principle of the present embodiment are the same as those of the first embodiment, and the difference is that the liquid outlet assembly 4 of the liquid dispenser pressed by one hand of the present embodiment has dual functions of spraying and spraying liquid, please refer to fig. 13, and fig. 13 is a cross-sectional view of the liquid dispenser pressed by one hand of the present embodiment. As shown in the figure, the liquid outlet assembly 4 comprises a liquid outlet pipe 41, a nozzle 42, a diffusion nozzle 43 and a spraying valve core 44, wherein the liquid inlet end of the liquid outlet pipe 41 is sleeved in the through hole of the handle cover 31 and is communicated with the liquid outlet end of the piston 22, the nozzle 42 is connected to the liquid outlet end of the liquid outlet pipe 41, the diffusion nozzle 43 is detachably connected to the front end of the nozzle 42, and the spraying valve core 44 is connected in the diffusion nozzle 43. When the pressing plate 5 is pressed, the solution in the bottle is pumped out by the pump assembly 2, enters the nozzle 42 through the liquid outlet pipe 41, then enters the diffusion nozzle 43 through the nozzle 42, and finally passes through the spray valve core 44 to be sprayed out in a mist shape.

Referring to fig. 14-16, fig. 14 is a top view of the spray valve cartridge; FIG. 15 is a cross-sectional view of the spray valve cartridge;

fig. 16 is a bottom view of the spray valve cartridge. As shown in the figure, in the embodiment, the circumference side surface of the spray valve core 44 has a plurality of side grooves 441, the front end of the spray valve core 44 is provided with a central concave surface 442 which is communicated with and tangent to the side grooves 441, the rear end of the spray valve core 44 is provided with a plurality of limiting ribs 443, when the spray valve core 44 is connected with the diffusion nozzle 43, the central concave surface 442 is abutted against the inner bottom plane of the diffusion nozzle 43, and the limiting ribs 443 are abutted against the end surface of the diffusion nozzle 43. When the pressing plate 5 is pressed, the liquid flows through the gap between the inner hole of the nozzle 42 and the atomizing valve core 44 through the liquid outlet pipe 41 under a certain pressure, flows into the central concave surface 442 from the side groove 441 at a high speed in a tangential direction, and is sprayed out through the central hole of the diffuser 43 in a mist shape.

In this embodiment, the diffuser 43 may be fixed to the front end of the nozzle 42 by a fastening means, or may be screwed to the screw thread of the front end of the nozzle 42 to achieve the detachable purpose. When spraying is not required, the diffuser 43 can be directly detached from the tip of the nozzle 42 to discharge the liquid in the solution bottle as a liquid.

EXAMPLE III

The structure and principle of the present embodiment are the same as those of the present embodiment, and the difference is that the liquid outlet assembly 4 of the liquid dispenser pressed by one hand of the present embodiment has three functions of spraying liquid, spraying and foaming, please refer to fig. 17, and fig. 17 is a cross-sectional view of the liquid dispenser pressed by one hand of the present embodiment. As shown, the outlet assembly 4 includes an outlet pipe 41, a nozzle 42, a diffuser 43, a spray valve core 44, and a bubbler 45, and the bubbler 45 is connected to a front end of the diffuser 43. The liquid dispenser of this embodiment that presses with one hand can realize spouting liquid, spraying and spouting the triple function of foam, satisfies customer's demand in many ways.

Referring to fig. 18, fig. 18 is a schematic view showing the connection relationship and structure of the bubbler and the diffusion nozzle. As shown in the drawings, in the present embodiment, the bubbler 45 includes a mesh enclosure frame 451 and a mesh 452 disposed in the mesh enclosure frame 451, the mesh enclosure frame 451 and the diffusion nozzle 43 are integrally formed by injection molding, a connection glue position 453 is connected between the mesh enclosure frame 451 and the diffusion nozzle 43, the connection glue position 453 is bent, and the mesh enclosure frame 451 is fastened to the front end of the diffusion nozzle 43. When a user needs to spray the liquid in the solution bottle in a foam form, the net cover frame 451 is fastened to the front end of the diffusion nozzle 43, and after the pressing plate 5 is pressed, the liquid sprayed in a mist form through the center hole of the diffusion nozzle 43 passes through the net piece 452 and then is sprayed in a foam form; when the mist liquid needs to be sprayed, the net cover frame 451 can be manually pulled open, and the liquid is sprayed only in a mist state without passing through the net piece 452 during hydraulic pressing; when it is necessary to discharge the liquid, the diffuser 43 is removed from the tip of the nozzle 42, and the liquid is directly discharged through the nozzle 42 when the platen 5 is pressed.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims (19)

1. A one-handed liquid dispenser connected to an opening of a solution bottle, comprising:

the cylinder body (1) is provided with a cavity (11), a liquid inlet hole (12) and an air return hole (13), the liquid inlet hole (12) is used for enabling liquid in a solution bottle connected with the cylinder body (1) to enter the cavity (11) through the liquid inlet hole, and the air return hole (13) is used for enabling the cavity (11) to be communicated with air inside the solution bottle so as to balance the air pressure inside the solution bottle with the external air pressure;

the pump assembly (2) is arranged in the cavity (11) and is used for outputting the liquid in the cavity (11);

the handle assembly (3) is sleeved at the opening end above the cylinder body (1), and a through hole communicated with the cavity (11) is formed in the handle assembly (3);

the liquid outlet assembly (4) is sleeved in the through hole of the handle assembly (3), and the liquid inlet end of the liquid outlet assembly (4) is communicated with the liquid outlet end of the pump assembly (2);

the front end of the pressure plate (5) is rotatably connected with the handle assembly (3), and the middle part of the pressure plate is abutted to the pump assembly (2);

when the liquid dispenser pressed by one hand is not started, the air return hole (13) is sealed by the pump assembly (2), when the liquid dispenser pressed by one hand is started, the rear end of the pressing plate (5) is pressed downwards, the front end of the pressing plate (5) rotates around the joint of the handle assembly (3), the middle part of the pressing plate (5) exerts downward acting force on the pump assembly (2), the pump assembly (2) is started, and liquid in the cavity (11) is pumped out by the pump assembly (2) through the liquid outlet assembly (4).

2. The one-handed liquid dispenser as recited in claim 1 wherein: pump assembly (2) are including movable sleeve (21), piston (22), feed liquor switch (23) and play liquid switch (24), movable sleeve (21) cover is located in the through-hole of handle subassembly (3) and the upper end with clamp plate (5) butt, piston (22) are located in cavity (11) and with the lower extreme of movable sleeve (21) is connected, the feed liquor end of piston (22) with cavity (11) intercommunication, the play liquid end of piston (22) with the feed liquor end intercommunication of going out liquid subassembly (4), when the liquid distributor that single hand was pressed does not open, piston (22) will return air hole (13) are sealed, feed liquor switch (23) are used for with the feed liquor end of piston (22) is sealed and is opened feed liquor hole (12), go out liquid switch (24) be used for with the play liquid end of piston (22) is sealed, when the liquid distributor that single hand was pressed is opened, piston (22) move down and will return air hole (13) are opened, feed liquor switch (23) are used for opening the feed liquor end of piston (22) and will feed liquor hole (12) are sealed, go out liquid switch (24) and be used for with the play liquid end of piston (22) is opened.

3. The one-handed liquid dispenser as recited in claim 2 wherein: the upper end both sides of movable sleeve (21) upwards extend and have connecting wall (211), the outside of connecting wall (211) is equipped with annular step face (212), the middle part of clamp plate (5) be equipped with arc bone position (51), connecting wall (211) stretch into in the through-hole of handle subassembly (3) and make arc bone position (51) connect in annular step face (212).

4. The one-handed liquid dispenser as recited in claim 2 wherein: the piston (22) is divided into a first-stage piston (221) and a second-stage piston (222), the primary piston (221) is of a double-layer structure, a central hole seat (2211) with a central hole extends upwards from the interior of the primary piston, the primary piston (221) is sleeved in the movable sleeve (21), the lower end of the secondary piston (222) is flared and is matched with the inner wall of the cavity (11), the part of the cavity (11) communicated with the lower end of the secondary piston (222) is a solution cavity, the solution cavity, the central hole seat (2211), the primary piston (221) and the liquid outlet assembly (4) are communicated in sequence, the liquid inlet switch (23) is used for opening or sealing the central hole of the central hole seat (2211), the liquid outlet switch (24) is used for opening or sealing the liquid outlet end of the primary piston (221) and enabling the liquid outlet end of the primary piston (221) to be always kept in a sealing state with the movable sleeve (21).

5. The one-handed liquid dispenser as recited in claim 2 wherein: the liquid inlet switch (23) comprises a limiting seat (231), an auxiliary column (232) and a resetting piece (233), the limiting seat (231) is arranged at the bottom of the cavity (11), the lower end of the auxiliary column (232) is connected in the limiting seat (231) in a sliding mode, the upper end of the auxiliary column (232) extends into the liquid inlet end of the piston (22), and the resetting piece (233) is located between the limiting seat (231) and the piston (22); when the liquid distributor that does not start the one-hand pressure, the lower extreme of vice post (232) with have the clearance between feed liquor hole (12), feed liquor hole (12) are in the open mode, the upper end of vice post (232) will the feed liquor end of piston (22) is sealed, when pressing clamp plate (5), the feed liquor end of piston (22) is opened, the lower extreme of vice post (232) will feed liquor hole (12) are sealed.

6. The one-handed liquid dispenser according to claim 5, wherein: the piston liquid inlet device is characterized in that a conical top (2321) and a one-way valve plate (2322) are arranged on the auxiliary column (232), the conical top (2321) is arranged at the upper end of the auxiliary column (232) and used for opening or sealing the liquid inlet end of the piston (22), and the one-way valve plate (2322) is arranged at the bottom of the auxiliary column (232) and used for opening or sealing the liquid inlet hole (12) of the cylinder body (1).

7. The one-handed liquid dispenser according to claim 5, wherein: the limiting seat (231) is provided with a plurality of limiting notches (2311), the auxiliary column (232) is provided with a plurality of limiting ribs (2323), and the limiting ribs (2323) are connected in the limiting notches (2311) in a sliding mode.

8. The one-handed liquid dispenser according to claim 7, wherein: the outer side of at least one limiting notch (2311) is provided with a limiting convex point (2312), and when the auxiliary column (232) seals the liquid inlet end of the piston (22), a limiting rib (2323) corresponding to the limiting convex point (2312) is limited by the limiting convex point (2312).

9. The one-handed liquid dispenser as recited in claim 2 wherein: the liquid outlet switch (24) comprises a fixed sleeve (241) and a one-way valve core (242), the upper end of the fixed sleeve (241) is connected with the liquid inlet end of the liquid outlet assembly (4), the lower end of the fixed sleeve (241) is sleeved between the movable sleeve (21) and the piston (22), a valve core seat (2411) stretching into the liquid inlet end of the piston (22) is arranged in the fixed sleeve (241), and the one-way valve core (242) is arranged on the valve core seat (2411) and used for opening or sealing the liquid outlet end of the piston (22).

10. The one-handed liquid dispenser according to claim 9, wherein: the inner wall of the valve core seat (2411) is a conical surface, and the one-way valve core (242) is provided with a sealing conical surface (2421) matched with the conical surface.

11. The one-handed liquid dispenser as recited in claim 1 wherein: the handle assembly (3) comprises a handle cover (31) and a handle (32), the handle cover (31) is connected to the opening end above the cylinder body (1), a through hole communicated with the cavity (11) is formed in the handle cover (31), and the handle (32) is connected with the handle cover (31).

12. The one-handed liquid dispenser as recited in claim 1 wherein: go out liquid subassembly (4) and include drain pipe (41) and nozzle (42), the feed liquor end cup joint in the through-hole of handle subassembly (3) of drain pipe (41), nozzle (42) connect in the play liquid end of drain pipe (41).

13. The one-handed liquid dispenser according to claim 12, wherein: the through hole in the nozzle (42) is inclined downwards from the end close to the nozzle (42) to the direction of the end connected with the liquid outlet pipe (41).

14. The one-handed liquid dispenser according to claim 12, wherein: the liquid outlet assembly (4) further comprises a diffusion nozzle (43) and a spraying valve core (44), the diffusion nozzle (43) is detachably connected to the front end of the nozzle (42), and the spraying valve core (44) is connected into the diffusion nozzle (43).

15. The one-handed liquid dispenser according to claim 14, wherein: the circumference side of the spraying valve core (44) is provided with a plurality of side grooves (441), the front end of the spraying valve core (44) is provided with a center concave surface (442) which is communicated with and tangent to the side grooves (441), the rear end of the spraying valve core (44) is provided with a plurality of limiting ribs (443), when the spraying valve core (44) is connected with the diffusion nozzle (43), the center concave surface (442) is abutted against the bottom plane of the inner side of the diffusion nozzle (43), and the limiting ribs (443) are abutted against the end surface of the diffusion nozzle (43).

16. The one-handed liquid dispenser according to claim 14, wherein: the liquid outlet assembly (4) further comprises a bubbler (45), and the bubbler (45) is connected to the front end of the diffusion nozzle (43).

17. The one-handed liquid dispenser according to claim 16, wherein: the bubbler (45) comprises a mesh enclosure frame (451) and a mesh piece (452) arranged in the mesh enclosure frame (451), the mesh enclosure frame (451) and a diffusion nozzle (43) are integrally formed through injection molding, a connection glue position (453) is connected between the mesh enclosure frame (451) and the diffusion nozzle (43), the connection glue position (453) is bent, and the mesh enclosure frame (451) is buckled at the front end of the diffusion nozzle (43).

18. The one-handed liquid dispenser as recited in claim 1 wherein: the liquid dispenser is characterized by further comprising a fixing clamp (6), wherein the fixing clamp (6) is arranged between the pressing plate (5) and the handle assembly (3) and used for limiting the action of the pressing plate (5) before the liquid dispenser pressed by one hand is started.

19. The one-handed liquid dispenser as recited in claim 1 wherein: still include and draw liquid pipe (7), draw liquid pipe (7) connect in cylinder body (1) lower extreme and with feed liquor hole (12) intercommunication.

Images