CN212234747U

CN212234747U - Pump body combination and tooth washing device

Info

Publication number: CN212234747U
Application number: CN202020428203.1U
Authority: CN
Inventors: 朱勇潮; 朱成海; 傅幼军; 王国明
Original assignee: Shaoxing Saqi Technology Co ltd
Current assignee: Shaoxing Saqi Technology Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-12-29
Anticipated expiration: 2030-03-27

Abstract

The utility model discloses a pump body combination and a tooth washing device, which has the technical proposal that the pump body combination comprises a shell, a vertically arranged water pump and an air pump are arranged in the shell, a double-shaft motor is arranged in the shell, the double-shaft motor is arranged between the water pump and the air pump, the water pump, the air pump and the double-shaft motor are sequentially and vertically overlapped, and two output shafts of the double-shaft motor are respectively connected with the water pump and the air pump; the water toothpick comprises a shell, a storage battery and a water tank, wherein a pump body is combined and installed at the center of the shell, a motor is reduced by utilizing the bidirectional output of a double-shaft motor, the water pump, an air pump and the double-shaft motor are sequentially and vertically overlapped, the overall combination of the pump body combination is greatly reduced by combining two points, the purpose of reducing the width of the water toothpick is achieved, and the water toothpick is more convenient to hold by a user.

Description

Pump body combination and tooth washing device

Technical Field

The utility model relates to a clean tooth field, more specifically say, it relates to a pump body combination and tooth cleaning device.

Background

The tooth washing device is generally used for nursing oral cavity, high-pressure water flow is adopted to directly wash teeth, and the high-pressure water flow can damage the gum when washing the gum; in order to relieve the situations, a double-pump structure appears on the market, and the double-pump structure has the advantages that one water pump and one air pump are used for mixing the water device to form water-air mixed linear flow, so that the flushing of water flow and the soft impact of fine bubbles are considered, and the impact injury to gums is reduced.

In the existing market, the water pump and the air pump are driven by the double motors in parallel control mode, so that the purpose of controlling the opening and closing of the water pump and the air pump is achieved. However, the double motors are arranged side by side, the whole width of the tooth washing device is increased, and the water tank is also arranged on the tooth washing device, so that the double motors are arranged side by side, the width of the tooth washing device is increased, and the tooth washing device is not convenient for a user to hold.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a first purpose is to provide pump body combination, utilizes the two-way output of biax motor, has reduced a motor, and water pump and air pump and biax motor three vertical stack in proper order arrange, and two point combinations have reduced the whole combination of pump body combination by a wide margin, reach the purpose that reduces the tooth cleaner width for tooth cleaner person of being convenient for grip more.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a pump body combination, includes the casing, is equipped with vertical water pump and the air pump of placing in the casing, is provided with the biax motor in the casing, and the biax motor is arranged in between water pump and the air pump, and water pump and air pump and biax motor three vertical stack in proper order are arranged, and water pump and air pump are connected respectively to two output shafts of biax motor.

Through adopting above-mentioned technical scheme, a motor has been reduced to the two-way output of biax motor, and water pump and air pump and biax motor three vertical stack in proper order arrange, and two point combinations have reduced the whole combination of pump body combination by a wide margin, reach the purpose that reduces the tooth cleaner width for the tooth cleaner user of being convenient for grips more.

Preferably, the water pump is connected with the outlet pipe, and the air pump is connected with the outlet duct, and the outlet pipe passes through the three-way valve with the outlet duct intercommunication, and the third export intercommunication of three-way valve has the hybrid tube.

Through adopting above-mentioned technical scheme, the three-way valve is spouting after gas, water mixture, and this kind of spun mixed liquid compares two pipes jet air alone, water spray, and the three-way valve spouts mixed water seems more comfortable

Preferably, the water pump comprises a cylinder body arranged on the shell and a piston arranged on the cylinder body, and a water inlet channel is formed in the axial direction of the piston;

one end of the water inlet channel is arranged in the cylinder body and is provided with a one-way valve, the other end of the water inlet channel is connected with a hose arranged in the shell, and the hose is connected with a water inlet pipe fixed on the shell.

By adopting the technical scheme, the piston is provided with an axial water inlet channel, so that water can conveniently flow into the cylinder body from the piston; due to the arrangement of the single valve, water can only flow into the cylinder body through the water inlet channel, and cannot flow back out of the cylinder body, so that the air tightness in the cylinder body is guaranteed. The one-way valve is arranged in the cylinder body, so that the occupation of the space outside the shell by the one-way valve is directly avoided; the water inlet channel is a switching channel for communicating water flow inside and outside the cylinder body, and is positioned inside the piston, so that the space outside the shell is prevented from being occupied; therefore, the one-way valve is arranged in the cylinder body, the water inlet channel is arranged in the piston, and the hose arranged in the shell avoids occupying the space outside the shell, greatly reduces the volume of the water pump, and can effectively reduce the volume of the tooth washing device.

Preferably, the check valve is long strip including the laminating at the elasticity gasket of piston terminal surface, and the first end of elasticity gasket is fixed at the piston, and the second end of elasticity gasket covers the one end that inlet channel is located the cylinder body.

By adopting the technical scheme, the elastic sealing sheet is attached to the end surface of the piston to realize sealing, so that the end part of the water inlet channel is effectively blocked by the elastic sealing sheet above the water inlet channel.

Preferably, the piston is connected with a crank, the crank is connected with an eccentric seat, the eccentric seat is connected with an output shaft of the double-shaft motor through a gear seat, and the piston, the crank, the eccentric seat and the double-shaft motor are sequentially and vertically arranged in the shell.

Through adopting above-mentioned technical scheme, piston, crank, eccentric seat and biax motor vertical arrangement in proper order are in order to further reduce the occupation to the horizontal well space of casing to reach the mesh that reduces the holistic width of tooth cleaning device, make the user be convenient for hold the tooth cleaning device.

Preferably, the hose and the water inlet pipe are coaxially and vertically arranged, and the radius of the cylinder body is larger than the distance between the water inlet pipe and the double-shaft motor.

By adopting the technical scheme, when the water inlet pipe is directly and vertically communicated with the hose, the length of the water inlet pipe is longer, and the water inlet pipe is inevitably contacted with the motor; and utilize the motor of less volume, have sufficient space between inlet tube and the motor, inlet tube and motor are still in the semicircle under the cylinder body projection, can effectively guarantee placing and using of inlet tube.

Preferably, the two-shaft motor is a servo motor.

By adopting the technical scheme, the servo motor controls the rotating speed more conveniently through the circuit board.

Preferably, the water pump is disposed above the air pump.

By adopting the technical scheme, the water tank of the common tooth washing device is arranged at the bottom, water is frequently fed and discharged in the piston of the water pump, the quality of the position of the water pump is increased for the feeling of a user, the tooth washing device is transversely held by the user, the water pump and the water tank are respectively arranged at the upper end and the lower end, the balance degree is more excellent when the user holds the middle position of the tooth washing device, and the holding feeling is more comfortable.

The second purpose of the utility model is to provide a pump body combination to achieve the purpose of reducing the width of the tooth washing device, so that the tooth washing device is more convenient for users to grip

A tooth washing device comprises a shell, a storage battery and a water tank, wherein a pump body is installed at the center of the shell in a combined mode.

1. A housing; 21. a three-way valve; 22. a water outlet pipe; 23. an air outlet pipe; 24. a mixing tube; 3. a double-shaft motor; 4. an air pump; 5. a water pump; 51. a cylinder body; 52. a piston; 53. a water inlet channel; 54. a hose; 55. a water inlet pipe; 56. an elastic sealing sheet; 71. a crank; 72. an eccentric seat; 8. a housing; 81. a water tank; 82. a storage battery; 83. and (4) a nozzle.

Drawings

FIG. 1 is a front view of embodiment 1;

FIG. 2 is a side view of a water pump, an air pump and a two-shaft motor in embodiment 2;

FIG. 3 is a schematic diagram showing the internal structure of the water pump of embodiment 2 after 1/4 is cut away from the piston;

FIG. 4 is a schematic structural view of embodiment 3.

In the figure:

1. a housing;

21. a three-way valve; 22. a water outlet pipe; 23. an air outlet pipe; 24. a mixing tube;

3. a double-shaft motor; 4. an air pump;

5. a water pump; 51. a cylinder body; 52. a piston; 53. a water inlet channel; 54. a hose; 55. a water inlet pipe; 56. an elastic sealing sheet;

71. a crank; 72. an eccentric seat;

8. a housing; 81. a water tank; 82. a storage battery; 83. and (4) a nozzle.

Detailed Description

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

Embodiment 1, pump body combination, as shown in fig. 1, includes casing 1, is equipped with water pump 5 and air pump 4 of vertical placing in casing 1, is equipped with two-axis motor 3 in the casing 1, and casing 1 has two halves, realizes folding of two halves casing 1 through lock or threaded connection, and casing 1 after folding wraps up water pump 5, air pump 4 and two-axis motor 3.

The water pump 5 is arranged above the air pump 4, the double-shaft motor 3 is arranged between the water pump 5 and the air pump 4, the water pump 5, the air pump 4 and the double-shaft motor 3 are sequentially and vertically stacked, and two output shafts of the double-shaft motor 3 are respectively connected with the water pump 5 above and the air pump 4 below.

The water pump 5 is connected with a water outlet pipe 22, the air pump 4 is connected with an air outlet pipe 23, the water outlet pipe 22 is communicated with the air outlet pipe 23 through a three-way valve 21, a third outlet of the three-way valve 21 is communicated with a mixing pipe 24, and the mixing pipe 24 touches the water-vapor mixed liquid; in order to facilitate the control of the rotation speed of the dual-shaft motor 3, in the scheme, the dual-shaft motor 3 is a servo motor.

The connection relationship between the water pump 5 and the housing 1 and the dual-shaft motor 3 is described as follows:

the water pump 5 comprises a cylinder body 51, a piston 52 which slides back and forth is arranged in the cylinder body 51, the piston 52 is connected with a crank 71, the crank 71 is connected with an eccentric seat 72, a driving gear is arranged on an upper output shaft of the double-shaft motor 3, the eccentric seat 72 is meshed with the driving gear, and the piston 52, the crank 71, the eccentric seat 72 and the double-shaft motor 3 are sequentially and vertically arranged in the shell 1;

the eccentric seat 72 comprises a connecting shaft, the central axis of the connecting shaft is arranged in a manner of deviating from the rotating axial direction of the eccentric seat 72, the connecting shaft is arranged eccentrically relative to the eccentric seat 72, the connecting shaft is sleeved at one end of the crank 71, the other end of the crank 71 is hinged with the piston 52, and the eccentric seat 72 can be rotatably connected to the shell 1;

the double-shaft motor 3 drives the eccentric seat 72 to rotate in the shell 1 through the driven gear, and utilizes the eccentricity of the connecting shaft on the eccentric seat 72 to enable the rotating eccentric seat 72 to drive the crank 71 through the connecting shaft, and the crank 71 drives the piston 52 to reciprocate in the cylinder body 51, so that the adjustment of air pressure in the cavity of the cylinder body 51 is realized, and the water inlet and outlet control of the cylinder body 51 is further realized.

When the double-shaft motor 3 drives the piston 52 assembly to extend out of the cylinder body 51 through the driving gear and the eccentric seat 72, a certain suction force is generated in a cavity of the cylinder body 51, so that the one-way valve is opened, and water inlet is realized; when the piston 52 retracts into the cylinder 51, the piston 52 can push the water in the chamber of the cylinder 51 to be discharged outwards through the water outlet at the upper end of the cylinder 51, and thus the function of spraying water column is realized.

Regarding the connection relationship of the air pump 4 with the housing 1 and the two-shaft motor 3: the structure of the air pump 4 is the same as that of the water pump 5, a crank 71 and an eccentric seat 72 below the lower output shaft of the double-shaft motor 3 drive the air pump 4, and the cylinder body of the air pump 4 is smaller than that of the water pump 5. In other embodiments, the air pump may be a diaphragm pump.

The working principle is as follows: the water pump 5, the double-shaft motor 3 and the air pump 4 are vertically stacked from top to bottom in sequence, and the mixed water vapor is sprayed out of the outlets of the water pump 5 and the air pump 4 through a three-way valve 21; with two motor drive water pump 5 and air pump 4 of tradition, this design utilizes the two-way output of biax motor 3, has reduced a motor, and water pump 5 and air pump 4 and the vertical stack arrangement in proper order of biax motor 3 three, and two points combine to reduce the whole combination of pump body combination by a wide margin, reach the purpose that reduces the tooth cleaner width for the tooth cleaner user of being convenient for grips more.

Embodiment 2, a pump body assembly, which is different from embodiment 1, as shown in fig. 2 and 3, a water inlet passage 53 is provided in the axial direction of a piston 52; the upper end of the water inlet channel 53 is arranged in the cylinder body 51, the end is provided with a one-way valve, the lower end of the water inlet channel 53 extends out of the piston 52 to form a tube body, the tube body at the lower end of the water inlet channel 53 is connected with a hose 54 arranged in the shell 1, the hose 54 is a rubber tube, the hose 54 is connected with a water inlet tube 55, the water inlet tube 55 is a hard tube, and the water inlet tube 55 is communicated with a water source.

The check valve includes an elastic sealing sheet 56 attached to the end surface of the piston 52, the elastic sealing sheet 56 is made of hard steel sheet, and in other embodiments, the elastic sealing sheet 56 may be made of plastic sheet or copper sheet or rubber.

The purpose of using the resilient sealing disc 56 as a one-way valve is to: when the piston 52 slides away from the cylinder 51, the water pushes the elastic sealing sheet 56 open through the water inlet channel 53, and the elastic sealing sheet 56 has good elasticity, so the elastic sealing sheet 56 is not damaged; when the piston 52 slides into the cylinder 51 to move, the elastic sealing sheet 56 is firmly attached to the end surface of the piston 52 by the pressure generated by the water in the cylinder 51, and at this time, the water inlet channel 53 in the piston 52 is blocked; the elastic sealing piece 56 is used as a single valve, so that the valve has a very small volume, does not occupy a large space in the cylinder 51, and can effectively maintain the water spraying amount of the cylinder 51 during a single movement of the piston 52.

The elastic sealing sheet 56 is strip-shaped, and the first end of the elastic sealing sheet 56 is fixed on the piston 52; the resilient sealing piece 56 has two ends, a first end and a second end; the second end of the elastic sealing sheet 56 covers one end of the water inlet channel 53 in the cylinder body 51; a first end of the elastic seal piece 56 is fixed to an end face of the piston 52 by caulking.

The elastic sealing sheet 56 is attached to the end face of the piston 52 to realize sealing, so that the end part of the water inlet channel 53 positioned below the elastic sealing sheet 56 can be effectively blocked. The hose 54 is coaxially and vertically arranged with the water inlet pipe 55; the radius of the cylinder body 51 in the water pump 5 is larger than the distance between the water inlet pipe 55 and the double-shaft motor 3, and the radius of the cylinder body in the air pump 4 is smaller than the distance between the water inlet pipe 55 and the double-shaft motor 3, so that the water inlet pipe 55 does not touch the double-shaft motor 3 when extending downwards, and the water inlet pipe 55 is convenient to install and distribute pipes.

The hose 54 and the water inlet pipe 55 are coaxially and vertically arranged, and the radius of the cylinder body 51 is larger than the distance between the water inlet pipe 55 and the double-shaft motor 3; the volume of the air pump 4 is smaller than that of the water pump 5, and a water inlet pipe 55 of the water pump 5 can directly and vertically extend to a water source below.

Embodiment 3, a dental scaler, as shown in fig. 4, the dental scaler includes a housing 8, a battery 82 and a water tank 81, the pump body assembly of embodiment 1 or embodiment 2 is installed at the center of the housing 8 through a screw, the battery 82 and the water tank 81 are sequentially fixed below the pump body assembly, and a water pump 5 is communicated with the water tank 81; the top of the housing 8 is provided with a nozzle 83, and the nozzle 83 is communicated with the third outlet of the three-way valve 21 to spray gas and liquid.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a pump body combination, includes casing (1), is equipped with vertical water pump (5) and air pump (4) of placing in casing (1), characterized by: be provided with biax motor (3) in casing (1), biax motor (3) are arranged in between water pump (5) and air pump (4), and water pump (5) and air pump (4) and biax motor (3) three are vertical stack in proper order and are arranged, and two output shafts of biax motor (3) are connected water pump (5) and air pump (4) respectively.

2. The pump body combination of claim 1, wherein: the water pump (5) is connected with a water outlet pipe (22), the air pump (4) is connected with an air outlet pipe (23), the water outlet pipe (22) is communicated with the air outlet pipe (23) through a three-way valve (21), and a third outlet of the three-way valve (21) is communicated with a mixing pipe (24).

3. The pump body combination of claim 1, wherein: the water pump (5) comprises a cylinder body (51) arranged on the shell (1) and a piston (52) arranged on the cylinder body (51), and a water inlet channel (53) is formed in the axial direction of the piston (52);

one end of the water inlet channel (53) is arranged in the cylinder body (51), and the end is provided with a one-way valve, the other end of the water inlet channel (53) is connected with a hose (54) arranged in the shell (1), and the hose (54) is connected with a water inlet pipe (55) fixed on the shell (1).

4. The pump body combination of claim 3, wherein: the check valve comprises an elastic sealing sheet (56) attached to the end face of the piston (52), the elastic sealing sheet (56) is long, the first end of the elastic sealing sheet (56) is fixed to the piston (52), and the second end of the elastic sealing sheet (56) covers one end, located in the cylinder body (51), of the water inlet channel (53).

5. The pump body combination of claim 4, wherein: the piston (52) is connected with a crank (71), the crank (71) is connected with an eccentric seat (72), the eccentric seat (72) is connected with an output shaft of the double-shaft motor (3) through a gear seat, and the piston (52), the crank (71), the eccentric seat (72) and the double-shaft motor (3) are sequentially and vertically arranged in the shell (1).

6. The pump body combination of claim 5, wherein: the hose (54) and the water inlet pipe (55) are coaxially and vertically arranged, and the radius of the cylinder body (51) is larger than the distance between the water inlet pipe (55) and the double-shaft motor (3).

7. The pump body combination of claim 1, wherein: the double-shaft motor (3) is a servo motor.

8. The pump body combination of claim 1, wherein: the water pump (5) is arranged above the air pump (4).

9. A tooth washing device comprises a shell (8), a storage battery (82) and a water tank (81), and is characterized in that: the pump body assembly of claim 1 mounted in a central position in the housing (8).