CN218717389U

CN218717389U - Fluid pump with stable performance

Info

Publication number: CN218717389U
Application number: CN202223090880.5U
Authority: CN
Inventors: 涂欣宇; 王尚跃
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-03-24
Anticipated expiration: 2032-11-17

Abstract

A fluid pump with stable performance comprises a pump main body, wherein the rear end face of the pump main body is provided with at least one pump water cavity and a silica gel pump bowl covered on each pump water cavity, each silica gel pump bowl and the corresponding pump water cavity are enclosed to form an independent pump chamber, each pump water cavity is respectively provided with a one-way water inlet and a one-way water outlet, and the pump chambers are configured to pump fluid media through the one-way water inlets when the silica gel pump bowls are expanded and stretched and pump fluid media through the one-way water outlets when the silica gel pump bowls are compressed; the one-way water inlet is arranged on the side surface of the main body of the pump, and is connected with a water inlet joint and a water inlet pipe connected with the water inlet joint; the one-way water outlet is arranged on the front end surface of the pump main body, the front end surface of the pump main body is also provided with a water outlet connector which covers all the one-way water outlets, the front end of the water outlet connector is connected with a nozzle, and the nozzle is communicated with all the one-way water outlets. The utility model discloses a silica gel pump bowl compression and expansion reciprocating motion realize the pump water and the absorption of pump chamber, and the structure is nimble, the dependable performance.

Description

Fluid pump with stable performance

Technical Field

The utility model relates to a towards tooth ware field, concretely relates to fluid pump of stable performance.

Background

At present, products such as tooth rinsers in the market use a water pump mechanism as a driver to apply pressure to water and spray pressurized water columns from a nozzle head so as to rinse food residues and tartar on the surface of teeth.

The water pump structure on the tooth flusher in the prior art can be roughly divided into three types, the first type is a piston type water pump structure, the second type is a three-head or five-head rubber round bottle cap type structure, and the third type is a diaphragm type water pump mechanism. The three water pump mechanisms are all interval water pumps, have limited water pressure and poor water pumping cleaning effect, have larger volume and are not convenient for the miniaturization design of the tooth flushing device. In addition, when the piston type water pump structure is dry-ground without water, the piston type water pump structure is easy to scald, has large load, and has the defects of high cost, easy water leakage, short service life and the like caused by large capacity of batteries; the diaphragm type water pump mechanism has the defects of complex structure, troublesome disassembly and assembly, inconvenient maintenance after damage and the like.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned technical problem that the water pump structure of prior art towards tooth ware exists, the utility model provides a fluid pump of stable performance, this fluid pump simple structure, whole occupation space is little relatively to in the miniaturized design of towards tooth ware, the dependable performance, and user experience degree is high.

In order to achieve the above object, the present invention provides a fluid pump with stable performance, which includes a pump main body, wherein the rear end face of the pump main body is provided with at least one pump water cavity and a silica gel pump bowl covered on each pump water cavity, each silica gel pump bowl and the corresponding pump water cavity enclose to form an independent pump chamber, each pump water cavity is provided with a one-way water inlet and a one-way water outlet, the pump chamber is configured to pump fluid medium through the one-way water inlet when the silica gel pump bowl is expanded and stretched, and pump fluid medium through the one-way water outlet when the silica gel pump bowl is compressed;

the one-way water inlet is formed in the side face of the main body of the pump, and is connected with a water inlet joint and a water inlet pipe connected with the water inlet joint;

the one-way water outlet is formed in the front end face of the pump main body, the silica gel pump bowl, the pump water cavity and the one-way water outlet which are arranged in the same pump chamber are arranged along the same axis, the front end face of the pump main body is further provided with a water outlet joint which covers the one-way water outlet, the front end of the water outlet joint is connected with a nozzle, and the nozzle is communicated with all the one-way water outlets.

As a further preferred technical scheme of the utility model, the pump water cavity with one-way delivery port is the counter bore, and is corresponding the pump water cavity with through the circular through-hole transition intercommunication between the one-way delivery port.

As the utility model discloses a further preferred technical scheme, the pump water cavity is the conicity counter bore, the round through-hole is seted up in the awl top department of pump water cavity, one-way water inlet is for setting up circular counter bore on the pump owner body lateral wall, the axial perpendicular to of one-way water inlet the axial of pump water cavity, the inner wall of pump water cavity with the through-hole has been seted up between the one-way water inlet.

As a further preferable technical proposal of the utility model, a water inlet one-way valve which is fixed by the crimping of the water inlet joint is arranged in the one-way water inlet; and a water outlet one-way valve which is fixed by the compression joint of the water outlet connector is arranged in the one-way water outlet.

As a further preferred technical solution of the present invention, the water inlet joint is provided with a plurality of limiting pieces arranged around a central hole of the water inlet joint, a gap between adjacent limiting pieces is used for forming a water outlet through groove, the water inlet check valve is located between the limiting pieces, the water inlet joint is provided with a groove on the cylinder into which the one-way water inlet is inserted, and a water inlet sealing ring is sleeved in the groove; the lateral inner wall of the one-way water outlet is provided with a plurality of limiting ribs, the periphery of the water outlet one-way valve is in contact with the limiting ribs and limits the radial position of the water outlet one-way valve, the adjacent gaps between the limiting ribs are used for forming a water outlet channel, and a water outlet sealing ring is arranged between the bottom of the one-way water outlet and the water outlet one-way valve.

As a further preferred technical scheme of the utility model, the check valve that goes out water check valve and the check valve that advances water check valve and adopt includes valve plug and spring, the rear end of valve plug with spring elasticity butt, the front end of valve plug is plane, bulb form, coniform or cylindric, the front end of valve plug is used for under the elasticity of spring with correspond one-way delivery port or the stagnant water cooperation is realized to one-way water inlet butt.

As the utility model discloses a further preferred technical scheme, the rear end face of pump owner body has set the fixed lid of pump bowl, the fixed lid of pump bowl will silica gel pump bowl compresses tightly to be fixed the rear end face of pump owner body, the centre of the fixed lid of pump bowl is equipped with the confession the hole that cup joints that silica gel pump bowl penetrated.

As a further preferred technical scheme of the utility model, the bowl body structure of silica gel pump bowl is turriform, cylindrical, calabash shape or oval, be equipped with at least round folded lines on the bowl body of silica gel pump bowl, the quantity of silica gel pump bowl is two, three, four or more.

As the utility model discloses a further preferred technical scheme, be equipped with the tapering boss at the bottom of the bowl of silica gel pump bowl, the silica gel pump bowl passes through the tapering boss is used for connecting the drive connecting rod of silica gel pump bowl compression or expansion, the drive connecting rod with conical, cylindrical or oval-shaped bowl cover is personally submitted to the link of silica gel pump bowl, the bowl cover is detained and is established the top of silica gel pump bowl.

As a further preferred technical scheme of the utility model, the preceding terminal surface of pump owner body sinks to be formed with U ring type inner chamber, one-way delivery port is located in the U ring type inner chamber, go out the water swivel with U ring type inner chamber cover is even fixed, go out the water swivel with be equipped with out the water swivel sealing washer between the U ring type inner chamber.

The utility model discloses a fluid pump of stable performance adopts above-mentioned technical scheme, can reach following beneficial effect:

1) The silica gel pump bowl is adopted to compress and expand to reciprocate to pump water and absorb water in the pump chamber, the structure is flexible, the energy consumption is low, the dry grinding influence is avoided, the service life is long, and the performance is reliable;

2) A plurality of silica gel pump bowls can be matched with the pump main body to form a plurality of mutually independent pump chambers, and each independent pump chamber can pump water synchronously or asynchronously and alternately so as to meet the use requirements of different users;

3) The utility model discloses simple structure, whole occupation space is little relatively to in the miniaturized design of tooth ware, and the dependable performance, user experience degree is high.

Drawings

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

Fig. 1 is a schematic structural view of a fluid pump with stable performance according to the present invention;

FIG. 2 is an exploded view of the stable performance fluid pump of the present invention;

FIG. 3 is a cross-sectional view of a stable performing fluid pump of the present invention;

FIG. 4 is a top, front, and bottom view of the main body of the pump of the present invention;

FIG. 5 is a cross-sectional view of the main body of the pump of the present invention;

FIG. 6 is a schematic structural view of the water inlet joint of the present invention;

fig. 7 is a schematic structural view of the middle silica gel pump bowl of the present invention.

In the figure: 1. a nozzle 2, a nozzle sealing ring 3, a nozzle fixing spring 4, a water outlet joint 5, a water outlet joint sealing ring 6, a water outlet one-way valve 7, a pump main body 8, a silica gel pump bowl 9, a pump bowl fixing cover 10 and a driving connecting rod, the water pump comprises a water inlet sealing ring 11, a water inlet sealing ring 12, a water inlet one-way valve 13, a water inlet joint 14, a water inlet pipe 15, a water pumping cavity 16, a one-way water outlet 17, a one-way water inlet 18, a limiting bone 19, a U-shaped inner cavity 20, a limiting sheet 21 and a groove.

The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description. In the preferred embodiments, the terms "upper", "lower", "left", "right", "middle" and "a" are used for the sake of clarity only, and are not intended to limit the scope of the invention, its relative relationship between the terms and their derivatives, and the scope of the invention should be understood as being limited by the claims.

As shown in fig. 1-7, the utility model provides a fluid pump of stable performance, including pump owner body 7, the rear end face of pump owner body 7 is equipped with at least one pump water cavity 15, and shroud in every silica gel pump bowl 8 on the pump water cavity 15, every silica gel pump bowl 8 and corresponding the pump water cavity 15 encloses to close and forms independent pump chamber, every pump water cavity 15 respectively is equipped with one-way water inlet 17 and one-way delivery port 16, the pump chamber is configured to work as silica gel pump bowl 8 is expanded and is passed through when tensile one-way water inlet 17 pump goes into fluid medium, and works as when silica gel pump bowl 8 is compressed pass through one-way delivery port 16 pumps fluid medium.

The bowl body structure of the silica gel pump bowl 8 is tower-shaped, cylindrical, calabash-shaped or oval, preferably tower-shaped. Still be equipped with at least round folded grain on the bowl body of silica gel pump bowl 8, a plurality of folded grain intervals set up, and the folded grain is used for expanding better deformation when tensile and compression to reduce load, increase life. Be equipped with the tapering boss at the bottom of silica gel pump bowl 8's the bowl, silica gel pump bowl 8 passes through the tapering boss is used for connecting the drive connecting rod 10 of silica gel pump bowl 8 compression or expansion, the drive connecting rod with conical, cylindrical or oval-shaped bowl cover is personally submitted to the link of silica gel pump bowl, the bowl cover is detained and is established the top of silica gel pump bowl. In practice, the drive link 10 is also drivingly connected to a powered motor.

It should be noted that the fluid medium is water, semi-fluid toothpaste, mouthwash or air, and can be gas, liquid or gas-liquid mixture for rinsing teeth, which is not limited herein, and the same or different fluid media can be used in different pump chambers.

The pump chamber pumps out or sucks in the fluid medium when the silicone pump bowl 8 is compressed or expanded, so that the pumped fluid medium can be used for washing teeth. When the pump chambers are multiple and independent from each other, so as to be combined and used as required, the multiple silica gel pump bowls 8 can synchronously pump water or alternatively pump water. Wherein, the silica gel pump bowls 8 are preferably two, three or four.

The water inlet and outlet structure of the pump chamber is as follows:

the one-way water inlet 17 is arranged on the side surface of the pump main body 7, and the one-way water inlet 17 is connected with a water inlet connector 13 and a water inlet pipe 14 connected with the water inlet connector 13.

One-way delivery port 16 sets up in the preceding terminal surface of pump owner body 7, and same the pump chamber silica gel pump bowl 8, pump water cavity 15 and one-way delivery port 16 set up along same axis, pump water cavity 15 with one-way delivery port 16 is the counter bore, corresponding pump water cavity 15 with through the circular through hole transition intercommunication between the one-way delivery port 16. The pump water cavity 15 is a conicity counter bore, the circular through hole is arranged at the cone top of the pump water cavity 15, the one-way water inlet 17 is a circular counter bore arranged on the side wall of the pump main body 7, the axial direction of the one-way water inlet 17 is perpendicular to the axial direction of the pump water cavity 15, and a through hole is arranged between the inner wall of the pump water cavity 15 and the one-way water inlet 17 so as to enable the pump water cavity 15 to be communicated with the one-way water inlet 17.

The front end face of the pump main body 7 is further provided with a water outlet joint 4 covering all the one-way water outlets 16, the front end of the water outlet joint 4 is detachably connected with a nozzle 1 through a nozzle fixing spring 3, a nozzle sealing ring 2 is arranged between the nozzle 1 and the water outlet joint 4, the nozzle 1 is communicated with all the one-way water outlets 16, and the connecting direction of the nozzle 1 is consistent with the driving direction of the silica gel pump bowl 8 so as to reduce water outlet resistance, so that power is saved. The front end of the nozzle 1 is bent in an arc shape so as to facilitate the flushing operation in the oral cavity. Preferably, when there are a plurality of pump chambers, the connection position of the nozzle 1 on the water outlet joint 4 is located in the middle of the plurality of one-way water outlets 16, and a connection bone is arranged in the middle of the water outlet hole of the water outlet joint 4 for separating the plurality of one-way water outlets 16, so as to avoid that the water outlets of the plurality of one-way water outlets 16 collide with each other when entering the nozzle 1 to reduce pressure.

Specifically, a water inlet one-way valve 12 which is fixed through the water inlet joint 13 in a compression joint mode is installed in the one-way water inlet 17; and an outlet one-way valve 6 which is fixed by the pressure welding of the outlet joint 4 is arranged in the one-way outlet 16. When the silica gel pump bowl 8 is compressed, the pump chamber generates positive pressure, the water outlet one-way valve 6 is opened, the water inlet one-way valve 12 is closed, and fluid medium in the pump chamber flows out through the one-way water inlet 17; when the silica gel pump bowl 8 is stretched and expanded, a pump chamber generates negative pressure, the water inlet one-way valve 12 is opened, the water outlet one-way valve 6 is closed, fluid media are sucked into the pump chamber through the one-way water inlet 17 to reciprocate, and the nozzle 1 continuously sprays water to wash and clean teeth and oral cavities.

The water inlet joint 13 is used for being inserted into the cylindrical end face of the one-way water inlet 17 and is provided with a plurality of limiting pieces 20 arranged around the central hole of the one-way water inlet 17, a gap between every two adjacent limiting pieces 20 is used for forming a water outlet through groove, the water inlet check valve 12 is positioned between the limiting pieces 20, the water inlet joint 13 is used for being inserted into the cylinder of the one-way water inlet 17 and is provided with a groove 21, and a water inlet sealing ring 11 is sleeved in the groove 21; the lateral inner wall of the one-way water outlet 16 is provided with a plurality of limiting ribs 18, the periphery of the water outlet check valve 6 is in contact with the limiting ribs 18 and limits the radial position of the water outlet check valve 6, a gap between the adjacent limiting ribs 18 is used for forming a water outlet channel, and a water outlet sealing ring is arranged between the bottom of the one-way water outlet 16 and the water outlet check valve 6.

In the concrete implementation, the check valve that goes out water check valve and the check valve that advances water check valve and adopt includes valve plug and spring, the rear end of valve plug with spring elasticity butt, the front end of valve plug is planar, bulb form, coniform or cylindric, the front end of valve plug is used for under the elasticity of spring with correspond one-way delivery port or one-way water inlet butt realizes the stagnant water cooperation, one-way delivery port or one-way water inlet's trompil shape and corresponding the front end cooperation of valve plug is unanimous.

In a concrete implementation, the rear end face of pump owner body 7 sets pump bowl fixed cover 9, pump bowl fixed cover 9 will silica gel pump bowl 8 compresses tightly to be fixed the rear end face of pump owner body 7, the centre of pump bowl fixed cover 9 is equipped with the confession the hole of cup jointing that silica gel pump bowl 8 penetrated, pump bowl fixed cover 9 adopts buckle or screw locking with pump owner body 7 to be connected.

In another concrete implementation, the front end face of the pump main body 7 sinks to form a U-ring-shaped inner cavity 19, the one-way water outlet 16 is located in the U-ring-shaped inner cavity 19, the water outlet joint 4 is fixedly connected with the U-ring-shaped inner cavity 19 in a sleeved manner, and a water outlet joint sealing ring 5 is arranged between the water outlet joint 4 and the U-ring-shaped inner cavity 19.

Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples and that many changes and modifications may be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.

Claims

1. A fluid pump with stable performance is characterized by comprising a pump main body, wherein the rear end face of the pump main body is provided with at least one pump water cavity and silica gel pump bowls which cover each pump water cavity, each silica gel pump bowl and the corresponding pump water cavity are enclosed to form an independent pump chamber, each pump water cavity is respectively provided with a one-way water inlet and a one-way water outlet, and the pump chambers are configured to pump fluid media through the one-way water inlets when the silica gel pump bowls are expanded and stretched and pump fluid media through the one-way water outlets when the silica gel pump bowls are compressed;

2. The fluid pump of claim 1, wherein the pump water cavity and the one-way water outlet are both counter bores, and the corresponding pump water cavity and the one-way water outlet are in transitional communication through a circular through hole.

3. The fluid pump of claim 2, wherein the pump water cavity is a conical counter bore, the circular through hole is formed in a conical top of the pump water cavity, the one-way water inlet is a circular counter bore formed in a side wall of the pump main body, an axial direction of the one-way water inlet is perpendicular to an axial direction of the pump water cavity, and a through hole is formed between an inner wall of the pump water cavity and the one-way water inlet.

4. The fluid pump of claim 3, wherein the one-way water inlet is provided with a water inlet one-way valve fixed by crimping the water inlet joint; and a water outlet one-way valve which is fixed by the compression joint of the water outlet connector is arranged in the one-way water outlet.

5. The fluid pump with stable performance as claimed in claim 4, wherein the end surface of the cylinder, into which the water inlet joint is inserted, is provided with a plurality of limiting pieces arranged around the central hole thereof, a gap between adjacent limiting pieces is used for forming a water outlet through groove, the water inlet check valve is positioned between the limiting pieces, the cylinder, into which the water inlet joint is inserted, is provided with a groove, and a water inlet sealing ring is sleeved in the groove; the lateral inner wall of the one-way water outlet is provided with a plurality of limiting ribs, the periphery of the water outlet check valve is in contact with the limiting ribs and is limited at the radial position of the water outlet check valve, the adjacent gap between the limiting ribs is used for forming a water outlet channel, and a water outlet sealing ring is arranged between the bottom of the one-way water outlet and the water outlet check valve.

6. The fluid pump of claim 5, wherein the check valves of the outlet check valve and the inlet check valve comprise a valve plug and a spring, the rear end of the valve plug is elastically abutted to the spring, the front end of the valve plug is planar, spherical, conical or cylindrical, and the front end of the valve plug is abutted to the corresponding one-way water outlet or one-way water inlet under the elastic force of the spring to achieve water stop matching.

7. The fluid pump with stable performance according to claim 1, wherein a pump bowl fixing cover is arranged on the rear end face of the pump main body, the pump bowl fixing cover compresses and fixes the silica gel pump bowl on the rear end face of the pump main body, and a sleeve hole for the silica gel pump bowl to penetrate is formed in the middle of the pump bowl fixing cover.

8. The fluid pump of claim 1, wherein the bowl structure of the silica gel pump bowl is tower-shaped, cylindrical, gourd-shaped or oval, the bowl body of the silica gel pump bowl is provided with at least one circle of folding lines, and the number of the silica gel pump bowls is at least two.

9. The fluid pump of claim 1, characterized in that, be equipped with the tapering boss at the bottom of the bowl of silica gel pump bowl, the silica gel pump bowl passes through the tapering boss is used for connecting the drive connecting rod of silica gel pump bowl compression or expansion, the drive connecting rod with the link surface of silica gel pump bowl is conical, cylindrical or oval bowl cover, the bowl cover is detained and is established the top of silica gel pump bowl.

10. The fluid pump of claim 1, wherein the front end of the main body of the pump is sunk to form a U-ring shaped inner cavity, the one-way water outlet is located in the U-ring shaped inner cavity, the water outlet connector is fixedly sleeved with the U-ring shaped inner cavity, and a water outlet connector sealing ring is disposed between the water outlet connector and the U-ring shaped inner cavity.