CN219835694U

CN219835694U - Oral cavity cleaning fluid pump

Info

Publication number: CN219835694U
Application number: CN202223053048.8U
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: 2023-10-17
Anticipated expiration: 2032-11-17

Abstract

An oral cleaning fluid pump comprising: the pump body assembly comprises a pump main body and at least two movable pieces, each movable piece is connected with the pump main body and is provided with an independent pump chamber, each pump chamber is provided with a one-way water inlet and a one-way water outlet, and when the volume of the pump chamber is configured to change, fluid medium can be pumped from the corresponding one-way water inlet and fluid medium can be pumped from the corresponding one-way water outlet; and the driving mechanism is in transmission connection with all the movable parts and drives the movable parts to reciprocate to change the volume of the pump chambers, and all the movable parts synchronously move so as to enable all the pump chambers to pump fluid medium simultaneously or pump fluid medium simultaneously. The utility model has a plurality of independent pump chambers, each independent pump chamber can synchronously pump water, and each pump chamber adopts the same or different fluid media for flushing teeth, thereby different working modes can be designed to improve the use experience of users; the utility model has simple structure, compact design, small occupied space and high tooth washing efficiency.

Description

Oral cavity cleaning fluid pump

Technical Field

The utility model relates to the field of tooth flusher design, in particular to an oral cavity cleaning fluid pump.

Background

With the improvement of the life quality of people, oral cleaning devices such as tooth flushers are becoming a common oral care implement. Oral care implements are typically driven by a water pump mechanism that applies pressure to eject a fluid medium (e.g., water, mouthwash, or semi-fluid dentifrice) for rinsing food debris and tartar from the surfaces of the teeth.

The existing products such as tooth flushers on the market have simple structures, and in the use process, only a single fluid medium can be adopted each time, if another fluid medium needs to be replaced, the medium storage box needs to be replaced, or the medium storage box is refilled with the required fluid medium. Therefore, the existing tooth flusher is not only troublesome to operate, but also has poor use experience for users.

Disclosure of Invention

Based on the above, the utility model provides an oral cavity cleaning fluid pump to solve the technical problem that the prior art tooth cleaning device product cannot simultaneously output two or more fluid media for cleaning teeth.

To achieve the above object, the present utility model provides an oral cleaning fluid pump comprising:

the pump body assembly comprises a pump main body and at least two movable pieces, each movable piece is connected with the pump main body and is provided with an independent pump chamber, each pump chamber is provided with a one-way water inlet and a one-way water outlet, and when the volume of the pump chamber changes, fluid medium can be pumped from the corresponding one-way water inlet and fluid medium can be pumped from the corresponding one-way water outlet; and

and the driving mechanism is in transmission connection with all the movable pieces and is used for driving the movable pieces to reciprocate so as to change the volume of the pump chamber, and all the movable pieces synchronously move so as to enable all the pump chambers to pump fluid medium at the same time or pump fluid medium at the same time.

As a further preferable technical scheme of the utility model, the driving mechanism comprises a motor, a driving wheel, a driven wheel and a connecting rod, wherein the driving wheel is coaxially connected to an output shaft of the motor, the driven wheel is in vertical transmission connection with the driving wheel, a cylindrical boss eccentrically arranged is arranged on the driven wheel, one end of the connecting rod is provided with a connecting hole, the cylindrical boss is sleeved in the connecting hole, and the other end of the connecting rod is fixedly connected with all the movable parts.

As a further preferable technical scheme of the utility model, the connecting hole is a waist-shaped through hole, a strip-shaped hole is formed in the connecting rod along the axial direction of the connecting rod, and a limit bone is inserted into the strip-shaped hole and used for guiding the connecting rod which moves in a reciprocating mode.

As a further preferable technical scheme of the utility model, all the movable pieces are arranged at the rear end of the pump main body, the openings of the unidirectional water outlets of all the pump chambers face the front end of the pump main body, the pump main body is connected with water outlet connectors communicated with the unidirectional water outlets of all the pump chambers, a water outlet one-way valve is arranged between each unidirectional water outlet and the corresponding water outlet connector, and a nozzle is connected to the water outlet connector along the axial direction of the unidirectional water outlet.

As a further preferable technical scheme of the utility model, the nozzle and the water outlet joint are fixed through U-shaped spring clamping, a nozzle sealing ring is arranged between the nozzle and the water outlet joint, and a water outlet joint sealing ring is arranged between the water outlet joint and the pump main body.

As a further preferable technical scheme of the utility model, the one-way water inlet is arranged on the side wall of the pump main body, the one-way water inlet is connected with a water inlet joint, the one-way water inlet is connected with a water inlet pipe through the water inlet joint, and a water inlet one-way valve is arranged between the water inlet joint and the one-way water inlet.

As a further preferable technical scheme of the utility model, the movable part is a piston part or an elastic part matched with the pump main body, and when the movable part is the piston part, the pump chamber is arranged as a piston cavity on the pump main body, and the piston part is inserted into the piston cavity; when the elastic piece is used, the pump chamber is provided with a groove-shaped pump cavity on the pump main body, the elastic piece is covered on the opening of the groove-shaped pump cavity in a sealing mode, and the elastic piece is in a film shape or a bag shape.

As a further preferred aspect of the present utility model, the oral cleaning fluid pump further includes a bracket housing, and the pump body assembly and the driving mechanism are both mounted in the bracket housing.

By adopting the technical scheme, the oral cavity cleaning fluid pump disclosed by the utility model has the following beneficial effects:

1) The oral cavity cleaning fluid pump provided by the utility model is provided with a plurality of independent pump chambers, each independent pump chamber can synchronously pump water, and each pump chamber adopts the same or different fluid media for flushing teeth, so that different working modes can be designed to meet different use requirements, and the use experience of a user is further improved;

2) The oral cavity cleaning fluid pump has the advantages of simple integral structure, compact design, small occupied space, convenient operation and high tooth washing efficiency.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is an exploded view of an oral cleaning fluid pump of the present utility model;

FIG. 2 is a perspective view of an oral cleaning fluid pump of the present utility model;

fig. 3 is a schematic diagram of a preferred structure provided by the link transmission structure.

In the figure: 1. nozzle, 2, nozzle sealing ring, 3, U-shaped spring, 4, water outlet joint, 5, water outlet joint sealing ring, 6, water outlet one-way valve, 7, pump main body, 8, movable piece, 9, fixed cover, 10, connecting rod, 11, driven wheel, 12, a fixed shaft, 13, a lower cover, 14, a motor, 15, a water inlet one-way valve, 16, a water inlet joint, 17, a water inlet pipe, 18, an upper cover, 19, a bracket shell, 20, a strip-shaped hole, 21, a waist-shaped through hole, 22 and a limit bone.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The utility model will be further described with reference to the drawings and detailed description. The terms such as "upper", "lower", "left", "right", "middle" and "a" in the preferred embodiments are merely descriptive, but are not intended to limit the scope of the utility model, as the relative relationship changes or modifications may be otherwise deemed to be within the scope of the utility model without substantial modification to the technical context.

As shown in fig. 1 and 2, the present utility model provides an oral cleaning fluid pump comprising a bracket housing 19, and a pump body assembly and drive mechanism mounted within the bracket housing 19. The bracket shell 19 is an upper cover 18 and a lower cover 13 which are connected in a vertically buckled mode and are locked and connected through screws.

The pump body assembly comprises a pump main body 7 and at least two movable pieces 8, wherein each movable piece 8 is connected with the pump main body 7 and is provided with an independent pump chamber, each pump chamber is provided with a one-way water inlet and a one-way water outlet, the pump chambers are configured to pump fluid media from the corresponding one-way water inlets when the volume of the pump chambers changes, namely, the pump chambers can pump fluid media from the corresponding one-way water outlets when the pump chambers are compressed, and pump fluid media from the corresponding one-way water outlets when the pump chambers are expanded.

The compression and expansion of the pump chamber volume is achieved by the action of a movable member 8, said movable member 8 being a piston member or an elastic member cooperating with said pump body 7. In the case of a piston element, the pump chamber is arranged on the pump main body 7 to form a piston cavity, and the piston element is inserted into the piston cavity, namely, the movable element 8 and the pump main body 7 are arranged to form a piston structure; in the case of an elastic piece, the pump chamber is provided with a groove-shaped pump cavity on the pump main body 7, the elastic piece is covered on the opening of the groove-shaped pump cavity in a sealing way, and the elastic piece is in a film shape or a bag shape. In the embodiment shown in fig. 1, the movable member 8 is a capsule-shaped elastic member, and the movable member 8 is press-fitted and fixed to the pump main body 7 via a perforated fixed cover 9.

The driving mechanism is in transmission connection with all the movable pieces 8 and is used for driving the movable pieces 8 to reciprocate to change the volume of the pump chambers, and all the movable pieces 8 synchronously move so as to enable all the pump chambers to pump fluid media simultaneously or pump fluid media simultaneously.

In a specific implementation, the driving mechanism includes a motor 14, a driving wheel, a driven wheel 11 and a connecting rod 10, the driving wheel is coaxially connected to an output shaft of the motor 14, the driven wheel 11 is vertically in transmission connection with the driving wheel, a cylindrical boss eccentrically disposed is disposed on the driven wheel 11, a connecting hole is disposed at one end of the connecting rod 10, the cylindrical boss is sleeved in the connecting hole, and the other end of the connecting rod 10 is fixedly connected with all the movable members 8. Preferably, referring to fig. 3, the connecting hole is a kidney-shaped through hole 21, the kidney-shaped through hole 21 is matched with a cylindrical boss eccentrically arranged, so that the driven wheel 11 can drive the connecting rod 10 to reciprocate when rotating, further, a bar-shaped hole 20 axially arranged on the connecting rod 10 is provided, a limit bone fixed on the lower cover is inserted into the bar-shaped hole 20, the limit bone 22 is used for guiding the connecting rod 10 in reciprocating motion, a straight line track is ensured when the connecting rod 10 reciprocates, and the movable piece 8 is driven to reciprocate along the same axial direction, so that the smoothness, flexibility and stability of the piston motion are improved.

The motor 14 is fixed on the bracket shell 19 through a screw, the fixed shaft 12 in the center of the driven wheel 11 is connected between the upper cover 18 and the lower cover 13, when the motor 14 drives the driven wheel 11 to rotate through the driving wheel, the connecting rod 10 realizes the reciprocating motion of a forward-backward pulling action when moving around the cylindrical boss, thereby driving the movable piece 8 to reciprocate relative to the pump main body 7, namely compressing the pump chamber space when moving forward, expanding the pump chamber space when moving backward, and the process can realize the pumping in and pumping out of the fluid medium by matching with the unidirectional water inlet and the unidirectional water outlet.

Wherein, the fluid medium is pumped out by the pump chamber and sprayed out for rinsing teeth, thereby achieving the purpose of cleaning the cavity. The fluid medium is water, semi-fluid dentifrice, mouthwash or air, or a gas, liquid or gas-liquid mixture that can be used to rinse teeth, without limitation, and the same or different fluid medium may be used for different pumping chambers.

In another specific embodiment, all the movable pieces 8 are disposed at the rear end of the pump main body 7, all the openings of the unidirectional water outlets of the pump chambers face the front end of the pump main body 7, the pump main body 7 is connected with water outlet connectors 4 communicated with all the unidirectional water outlets of the pump chambers, a water outlet unidirectional valve 6 is disposed between each unidirectional water outlet and the corresponding water outlet connector 4, a nozzle 1 is connected to the water outlet connector 4 along the axial direction of the unidirectional water outlet, and pumped fluid medium is sprayed out by the nozzle 1 to flush teeth.

The nozzle 1 with the water outlet connector 4 is fixed through U type spring 3 joint, the nozzle 1 with be equipped with nozzle sealing washer 2 between the water outlet connector 4, the water outlet connector 4 with be equipped with water outlet connector sealing washer 5 between the pump main part 7, be convenient for the dismouting and the change of nozzle 1, and the leakproofness is good.

The one-way water inlet is formed in the side wall of the pump main body 7 and is connected with a water inlet joint 16, the one-way water inlet is connected with a water inlet pipe 17 through the water inlet joint 16, and a water inlet one-way valve 15 is arranged between the water inlet joint 16 and the one-way water inlet. In practical application, the end of the water inlet pipe 17 is connected with a water tank, and a fluid medium for rinsing teeth is placed in the water tank.

The oral cleaning fluid pump of the present utility model can perform the following functions, taking two pump chambers as an example.

1. The double pump chambers can feed water simultaneously, so that the water inflow can be increased; the double pump chambers are extruded simultaneously when water is discharged, so that the water outlet pressure is increased, the water column pressure sprayed by the nozzle 1 is larger, the spray is farther, and the tartar on the tooth surface is easier to be impacted.

2. The double independent pump chambers can pump water from one pump chamber and pump semi-fluid toothpaste or mouthwash from the other pump chamber, and two liquid are mixed in the nozzle 1 and then are ejected out of the nozzle 1, so that foam liquid is ejected, and compared with the traditional method of only spraying water, the tooth surface food residues and tartar can be cleaned more easily; further, it can also be realized by a mechanical+electronic control structure: the semi-fluid toothpaste or mouthwash is pumped by a pump chamber to be sprayed on the tooth surface, and after the lower tartar is softened, the water spraying mode is started, so that food residues and the tartar on the tooth surface are easier to wash.

3. The double independent pump chambers can pump water from one pump chamber and pump air from the other pump chamber, so that after the water and the air are mixed in the nozzle 1, the nozzle 1 can jet out a water column with bubbles, and when the water column is hit on the tooth surface, the bubbles are broken to form an explosive sphere to increase the water pressure, so that food residues and tartar on the tooth surface can be washed away more easily.

While particular embodiments of the present utility model have been described above, it will be appreciated by those skilled in the art that these are merely illustrative, and that many variations or modifications may be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined only by the appended claims.

Claims

1. An oral cleaning fluid pump, comprising:

2. The oral cavity cleaning fluid pump according to claim 1, wherein the driving mechanism comprises a motor, a driving wheel, a driven wheel and a connecting rod, the driving wheel is coaxially connected to an output shaft of the motor, the driven wheel is in vertical transmission connection with the driving wheel, a cylindrical boss eccentrically arranged is arranged on the driven wheel, one end of the connecting rod is provided with a connecting hole, the cylindrical boss is sleeved in the connecting hole, and the other end of the connecting rod is fixedly connected with all the movable pieces.

3. The oral cleaning fluid pump of claim 2, wherein the connecting hole is a kidney-shaped through hole, a bar-shaped hole is formed in the connecting rod along the axial direction of the connecting rod, and a limit bone is inserted into the bar-shaped hole and used for guiding the connecting rod which moves reciprocally.

4. The oral cavity cleaning fluid pump according to claim 1, wherein all the movable members are disposed at the rear end of the pump main body, the openings of the unidirectional water outlets of all the pump chambers face the front end of the pump main body, the pump main body is connected with water outlet connectors communicated with the unidirectional water outlets of all the pump chambers, a water outlet unidirectional valve is disposed between each unidirectional water outlet and the corresponding water outlet connector, and a nozzle is connected to the water outlet connector along the axial direction of the unidirectional water outlet.

5. The oral cleaning fluid pump of claim 4, wherein the nozzle and the outlet fitting are secured by a U-shaped spring snap fit, a nozzle seal is provided between the nozzle and the outlet fitting, and an outlet fitting seal is provided between the outlet fitting and the pump body.

6. The oral cavity cleaning fluid pump according to claim 5, wherein the one-way water inlet is formed in a side wall of the pump main body, the one-way water inlet is connected with a water inlet joint, the one-way water inlet is connected with a water inlet pipe through the water inlet joint, and a water inlet one-way valve is arranged between the water inlet joint and the one-way water inlet.

7. The oral cleaning fluid pump of claim 1, wherein the movable member is a piston member or an elastic member that cooperates with the pump body, and when the movable member is a piston member, the pump chamber is provided with a piston channel on the pump body, and the piston member is inserted into the piston channel; when the elastic piece is used, the pump chamber is provided with a groove-shaped pump cavity on the pump main body, the elastic piece is covered on the opening of the groove-shaped pump cavity in a sealing mode, and the elastic piece is in a film shape or a bag shape.

8. The oral cleaning fluid pump of any one of claims 1-7, further comprising a bracket housing, wherein the pump body assembly and the drive mechanism are both mounted within the bracket housing.