CN215349654U

CN215349654U - Tooth flushing device

Info

Publication number: CN215349654U
Application number: CN202121262829.0U
Authority: CN
Inventors: 王旭东; 许超琦
Original assignee: Foshan Junke Technology Co ltd
Current assignee: Foshan Junke Technology Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-12-31
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a tooth flushing device, wherein a motor drives a connecting rod to move through eccentric rotation, a pump body comprises a water outlet nozzle, a water inlet nozzle, a valve core, a valve plate and a base, the water inlet nozzle comprises a water inlet pipe, a water inlet front cavity, a water inlet rear cavity and a first water outlet cavity, the water inlet pipe is communicated with the water inlet front cavity, the valve core separates the water inlet front cavity from the water inlet rear cavity, the water outlet nozzle is provided with an unloading film to separate the first water outlet cavity from a water outlet channel of a spray gun, the unloading film is provided with an unloading port, the water inlet rear cavity is communicated with the first water outlet cavity through a gap flow channel, a connecting rod seat extrudes or stretches the water inlet rear cavity under the driving of the connecting rod, and the valve plate is used for opening a valve port on the valve core when the connecting rod seat stretches the water inlet rear cavity. The utility model adopts the diaphragm type pump body, the water cavity of the pump body is compressed by the diaphragm with the characteristic of elastic deformation to pump water, and the pump cylinder has no part friction in the working process, so that the water leakage phenomenon of the pump cylinder can be thoroughly avoided, and the product reliability is improved.

Description

Tooth flushing device

The technical field is as follows:

the utility model relates to the technical field of tooth care, in particular to a tooth rinsing device.

Background art:

at present, the tooth flushing device mainly comprises a shell and a pump body assembly, wherein the pump body is arranged in the shell, and the shell is provided with a water inlet and a water outlet corresponding to the pump body. The pump body comprises a pump cylinder and a piston head, and the piston head is controlled to continuously reciprocate in the pump cylinder through an eccentric transmission mechanism, so that continuous water pumping is realized. The existing pump cylinder structure of the tooth flushing device is similar to the cylinder structure of a piston compressor, friction is easily generated in continuous reciprocating compression to cause damage to the cylinder wall, and the water leakage phenomenon of the pump cylinder after long-term use is caused, so that the service life of a product is influenced.

The utility model has the following contents:

the utility model aims to overcome the defects in the prior art, provides the tooth flushing device which is simple and reasonable in structure and adopts the diaphragm pump for flushing, and can eliminate the phenomenon that the tooth flushing device fails due to the fact that the piston head of the existing pump cylinder is easy to rub and wear.

The technical scheme for solving the technical problem is as follows: a tooth flushing device comprises a shell cover, a shell, a pump body, a driving motor, a connecting rod and an elastic diaphragm, wherein one end of the connecting rod is connected with the elastic diaphragm, the other end of the connecting rod is eccentrically and rotatably matched with an end face gear, it is characterized in that the pump body comprises a water outlet nozzle, a water inlet nozzle, a valve core, a valve plate and a base, the elastic diaphragm comprises a connecting rod seat, an elastic ring membrane and a fixing ring, the water inlet nozzle comprises a water inlet pipe, a water inlet front cavity, a water inlet rear cavity and a first water outlet cavity, the water inlet pipe is communicated with the water inlet front cavity, the valve core separates the water inlet front cavity from the water inlet rear cavity, the water outlet nozzle is connected with the spray gun, the unloading film separates the first water outlet cavity from the water outlet channel of the spray gun, an unloading port is arranged on the unloading film, the water inlet rear cavity is communicated with the first water outlet cavity through a gap flow channel, the connecting rod seat extrudes or stretches the water inlet rear cavity under the driving of the connecting rod, and the valve sheet is used for opening a valve port on the valve core when the connecting rod seat stretches the water inlet rear cavity.

The valve core comprises a valve body and a valve rear seat, the valve body is provided with a first partition plate, and valve ports are uniformly distributed on the first partition plate of the valve body; the valve body is inserted into the water inlet front cavity.

The inner wall of a pipe shell of the water inlet nozzle is provided with an annular clamping table, a clamping hook and a first spacing block are arranged along the circumferential direction of the valve rear seat, the clamping hook is buckled on the annular clamping table, and gaps on two sides of the clamping hook and the first spacing block form the clearance flow channel.

And a second spacing block is arranged on the annular clamping table and is connected with the outer wall of the water inlet front cavity and the inner wall of the water inlet nozzle pipe shell.

The base is buckled with the water inlet nozzle, so that the fixing ring is fixed in the mounting groove.

The base is provided with a first pressing ring, the end of the cavity wall of the water inlet nozzle after water is fed is provided with a second pressing ring, and the first pressing ring and the second pressing ring respectively press the root of the elastic ring film from the upper side and the lower side.

The top of connecting rod sets up the undergauge portion, connecting rod seat adaptation undergauge portion sets up the buckle, sets up anticreep clamping ring outside the connecting rod seat.

The thickness of the elastic ring membrane is smaller than that of the sucking part of the connecting rod seat.

The valve plate comprises an umbrella part and a valve rod, the valve rod is inserted on the first partition plate from the lower direction, and a conical cavity avoiding the valve rod is arranged at the top of the water inlet front cavity.

The unloading film is provided with a top platform, and the unloading opening is a linear notch which penetrates through the top platform; the water outlet nozzle, the valve plate and the elastic membrane are made of rubber or silica gel or soft plastic materials.

The utility model has the beneficial effects that:

1. the pump cylinder structure of the tooth flushing device adopts the diaphragm type pump body, the water cavity of the pump body is compressed through the diaphragm with the elastic deformation characteristic, the valve port is closed by the water inlet valve plate of the pump cylinder during compression, fluid is pressed into the water outlet cavity from the water inlet cavity and is discharged out of the cylinder body through the unloading port, and the pump cylinder does not have part friction in the working process, so that the water leakage phenomenon of the pump cylinder can be thoroughly avoided, and the reliability of a product is improved.

2. The pump cylinder of the tooth flushing device controls the elastic diaphragm to continuously reciprocate in the pump cylinder through the eccentric transmission mechanism, so that continuous water pumping is realized, the purpose of reliable work is achieved, the layout of all components in the pump cylinder is reasonable, the space is saved, and the volume of a product is smaller.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the tooth irrigator according to the present invention.

Fig. 2 is an exploded view of the dental irrigator of the present invention.

FIG. 3 is a cross-sectional view of the dental irrigator of the present invention.

FIG. 4 is a sectional view of the pump cylinder structure of the water toothpick device of the present invention.

FIG. 5 is a sectional view of the water inlet nozzle of the tooth irrigator of the present invention.

Fig. 6 is a schematic structural diagram of the valve core of the tooth flushing device.

FIG. 7 is a sectional view of the water nozzle of the tooth-rinsing device of the present invention.

FIG. 8 is a view of the assembly of the valve cartridge and the base of the present invention.

FIG. 9 is a top view of the assembled relationship of the water inlet nozzle and the valve core of the water irrigator of the present invention.

FIG. 10 is a sectional view of the assembled relationship of the water inlet nozzle and the valve core of the water irrigator of the utility model.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in figures 1-10, the tooth-rinsing device comprises a shell cover 100, a shell 200, a pump body and a cup cover 300, wherein the cup cover is sleeved on the shell from the lower part, the cup cover 300 is pulled downwards to a stroke limit position before use, water is injected through a water injection port 101 of the shell cover 100, and a hose is arranged at the bottom of the cup cover 300 and connected with a water pipe 102 of the shell 200. The water pipe 102 is connected to the water inlet of the pump body through a hose. The pump body is arranged in the shell, the pump body comprises a pump shell 10, a driving motor 11, a water outlet nozzle 1 and a water inlet nozzle 2, the driving motor 11 is vertically arranged, an output shaft of the driving motor 11 is in transmission connection with the pump body through a straight gear and an end face gear 9, the end face gear 9 is vertically and rotatably arranged in the pump shell 10, the pump body further comprises a connecting rod 7, an elastic diaphragm 5, a valve core 3, a valve disc 4 and a base 6, one end of the connecting rod 7 is connected with the elastic diaphragm 5, the other end of the connecting rod 7 is in eccentric rotation fit with the end face gear 9, the elastic diaphragm comprises a connecting rod seat, an elastic ring film 52 and a fixing ring 53, the water inlet nozzle 2 comprises a water inlet pipe 21, a water inlet front cavity 81, a water inlet rear cavity 82 and a first water outlet cavity 83, the water inlet pipe is communicated with the water inlet front cavity, the valve core 3 separates the water inlet front cavity from the water inlet rear cavity, the water outlet nozzle 1 is connected with a spray gun, an unloading film of the water outlet nozzle 1 separates the first water outlet cavity from a spray gun water channel 85, the unloading film of the water outlet nozzle 1 is provided with an unloading port, the water inlet back cavity is communicated with the first water outlet cavity through a gap flow channel 34, the connecting rod seat is driven by the connecting rod 7 to extrude or stretch the water inlet back cavity, and the valve sheet 4 is used for opening the valve port on the valve core 3 when the connecting rod seat stretches the water inlet back cavity. Water enters the water inlet front cavity 81 from the water inlet pipe 21, the connecting rod 7 is driven to descend after the driving motor 11 is driven by the eccentric mechanism, the volume of the water inlet rear cavity 82 is increased to generate negative pressure, the water flows into the water inlet rear cavity 82 through the valve port to be supplemented, when the connecting rod 7 ascends, the valve port is closed by water pressure, the water is pushed into the first water outlet cavity 83 at the same time, the water pressure of the first water outlet cavity 83 is increased, the unloading port is opened, and the water is pressed into the spray gun water outlet channel 85.

The water outlet nozzle 1, the valve plate 4 and the elastic membrane 5 are made of rubber or silica gel and have good elasticity. The valve core 3 comprises a valve body 30 and a valve rear seat 301, the valve body is provided with a first intermediate plate 302, 4-6 valve ports 31 are uniformly distributed on the first intermediate plate of the valve body, through holes are formed in the first intermediate plate, the valve sheet 4 comprises an umbrella part 41 and a valve rod 42, and the valve rod 42 is inserted into the through holes from the lower direction to form an assembly relation; the valve body 30 is inserted into the water inlet front cavity, and a sealing ring is arranged at the outlet of the water inlet front cavity to seal the water inlet front cavity and the valve body, so that water in the water inlet front cavity can only enter the water inlet rear cavity 82 from the valve port 31. The valve core 3 can control water inflow, when the valve sheet 4 moves upwards to the top, the umbrella part 41 completely covers all the valve ports 31, and when the valve core closes water inflow, water enters the water outlet cavity through a gap flow passage 34 formed by assembling the valve core and the water inlet nozzle.

The inner wall of the pipe shell of the water inlet nozzle 2 is provided with an annular clamping table 24, a clamping hook 32 and a first spacing block 33 are arranged along the circumferential direction of the valve rear seat 301, the clamping hook 32 is clamped on the annular clamping table 24, and gaps on two sides of the clamping hook 32 and the first spacing block 33 form the gap flow passage 34. And a second spacing block 23 is arranged on the annular clamping table 24 and is connected with the outer wall of the water inlet front cavity and the inner wall of the water inlet nozzle pipe shell. After assembly, the first spacing block 33 is arranged below the second spacing block 23, and the hook 32 extends into the gap between two adjacent second spacing blocks 23 and is abutted to the annular clamping table 24 for buckling.

As shown in fig. 4, the base 6 is fastened to the water inlet nozzle 2, so that the fixing ring 53 is fixed in the mounting groove 61. The base 6 is provided with a first press ring 62, the cavity wall end of the water inlet nozzle 2 after water inlet is provided with a second press ring 26, and the first and second press rings respectively press the root of the elastic ring film 52 from the upper side and the lower side.

The top of the connecting rod 7 is provided with a reducing part 71, the connecting rod seat adapting reducing part 71 is provided with a snap ring, and the outer side of the connecting rod seat is provided with an anti-dropping press ring 8.

The elastic ring film 52 connects the edge of the rod holder and the inner wall of the fixed ring 53, and has a thickness smaller than that of the suction portion 51 of the rod holder. The elasticity of the elastic ring membrane is better, and the stable water pressure can be ensured when the volume of the containing cavity is compressed.

The top of the water inlet front cavity is provided with a conical cavity avoiding the valve rod, a cavity with a narrow top and a wide bottom is formed by a frustum wall 22, and the conical cavity is matched with the unloading film in shape to form a conical annular water outlet space. As shown in FIG. 7, the unloading film of the faucet 1 is provided with a top platform, the unloading port is a straight line notch 12 arranged through the top platform, the faucet 1 is arranged at the top opening of the pipe cavity wall 20 of the water inlet 2, and the main body part extends into the water inlet 2.

The water outlet nozzle is positioned at the top end of the shell cover 100, and a water outlet of the water outlet nozzle is provided with a buckling structure for enabling the spray gun to be rotationally buckled on the water outlet nozzle. Still be equipped with battery 13, control circuit board 14 and button subassembly 15 in the shell, battery and control circuit board and electric connection, control circuit board and driving motor electric connection, button subassembly 15 has sealed waterproof function, can prevent in the outside water infiltration shell.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A tooth flushing device comprises a shell cover, a shell, a pump body, a driving motor and a connecting rod, wherein one end of the connecting rod is connected with the pump body, the other end of the connecting rod is eccentrically and rotatably matched with an end face gear, and the tooth flushing device is characterized in that the pump body comprises a water outlet nozzle, a water inlet nozzle, a valve core, a valve plate, a base and an elastic membrane, the elastic membrane comprises a connecting rod seat, an elastic ring membrane and a fixing ring, the head of the connecting rod is embedded in the connecting rod seat, the water inlet nozzle comprises a water inlet pipe, a water inlet front cavity, a water inlet rear cavity and a first water outlet cavity, the water inlet pipe is communicated with the water inlet front cavity, the valve core separates the water inlet front cavity from the water inlet rear cavity, the water outlet nozzle is connected with a spray gun, the water outlet nozzle is provided with an unloading membrane to separate the first water outlet cavity from a water outlet channel of the spray gun, the unloading membrane is provided with an unloading port, the water inlet rear cavity is communicated with the first water outlet cavity through a gap flow channel, the connecting rod seat extrudes or stretches the water inlet rear cavity under the driving of the connecting rod, the valve sheet is used for opening a valve port on the valve core when the connecting rod seat stretches the water inlet rear cavity.

2. The tooth flushing device according to claim 1, wherein the valve core comprises a valve body and a valve rear seat, the valve body is provided with a first partition plate, and the valve ports are uniformly distributed on the first partition plate of the valve body; the valve body is inserted into the water inlet front cavity.

3. The tooth-rinsing device as claimed in claim 2, wherein the inner wall of the tube shell of the water inlet nozzle is provided with an annular clamping platform, the valve rear seat is circumferentially provided with a clamping hook and a first spacing block, the clamping hook is clamped on the annular clamping platform, and the gap flow passage is formed between the clamping hook and the first spacing block.

4. The apparatus as claimed in claim 3, wherein the annular holder is provided with a second spacer, and the second spacer connects the outer wall of the water inlet forward cavity and the inner wall of the water inlet nozzle tube shell.

5. The dental irrigator according to any one of claims 1 to 4 wherein the base is adapted to engage with the water inlet nozzle such that the retaining ring is retained in the mounting groove.

6. The tooth punching device according to any one of claims 1 to 4, wherein the base is provided with a first pressing ring, the end of the cavity wall of the water inlet nozzle after water is fed is provided with a second pressing ring, and the first pressing ring and the second pressing ring respectively press the root part of the elastic ring membrane from the upper side and the lower side.

7. The tooth punching device according to any one of claims 1 to 4, wherein a reduced diameter portion is provided at the top of the connecting rod, the connecting rod seat is provided with a retaining ring adapted to the reduced diameter portion, and an anti-dropping ring is provided outside the connecting rod seat.

8. The dental irrigator of any one of claims 1 to 4 wherein the thickness of the elastic ring membrane is less than the thickness of the suction portion of the connecting rod base.

9. The tooth flushing device of any one of claims 2 to 4, wherein said valve plate comprises an umbrella part and a valve rod, said valve rod is inserted in said first partition plate from the lower direction, and a conical cavity avoiding said valve rod is arranged at the top of said water inlet front cavity.

10. The tooth flusher according to any one of claims 1 to 4, wherein the unloading membrane is provided with a top platform, and the unloading port is a linear cut arranged through the top platform; the water outlet nozzle, the valve plate and the elastic membrane are made of rubber or silica gel or soft plastic materials.