CN217118651U

CN217118651U - Magnetic pressure tooth washing machine

Info

Publication number: CN217118651U
Application number: CN202220492294.4U
Authority: CN
Inventors: 李丐腾; 赵广展
Original assignee: Shanghai Flyco Electrical Appliance Co Ltd
Current assignee: Shanghai Flyco Electrical Appliance Co Ltd
Priority date: 2021-08-31
Filing date: 2022-03-08
Publication date: 2022-08-05
Anticipated expiration: 2032-03-08

Abstract

The utility model provides a tooth flushing machine is pressed to magnetism relates to the clear technical field in oral cavity, and tooth flushing machine is pressed to magnetism includes: the side wall of the suction cavity is provided with a water inlet and a water outlet which are communicated with the inside and the outside of the suction cavity; a first communicating port communicated with the inside and the outside of the suction cavity is formed in the side wall of the suction cavity, the caching bag body is hollow, a second communicating port communicated with the inside and the outside of the caching bag body is formed in the caching bag body, and the first communicating port is in butt joint with the second communicating port; the magnetic extrusion mechanism comprises an electromagnet, a first clamping plate and a second clamping plate, the cache capsule body is positioned between the first clamping plate and the second clamping plate, and two opposite side walls of the cache capsule body are respectively connected with the first clamping plate and the second clamping plate; the first clamping plate is provided with a first permanent magnet, and the electromagnet attracts or repels the first clamping plate so that the first clamping plate is close to the second clamping plate and flattens the cache capsule body or the first clamping plate is far away from the second clamping plate and releases the cache capsule body.

Description

Magnetic pressure tooth washing machine

Technical Field

The utility model belongs to the technical field of the clean technique of oral cavity and specifically relates to a magnetic pressure tooth flushing machine is related to.

Background

A common tooth flushing device on the market adopts a piston pump to spray water, a piston reciprocates in a cavity, a water inlet and a water outlet are formed in the cavity, and check valves are arranged at the water inlet and the water outlet.

When the piston moves inwards, water flows into the cavity from the water inlet, and when the piston moves outwards, the water in the cavity is sprayed out from the water outlet.

After long-time use, the sealing performance between the piston and the cavity is reduced, and the water pumping and spraying capacity of the piston pump is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tooth flushing machine is pressed to magnetism to having alleviated current piston pump formula towards the long-time back of using of tooth ware, the leakproofness of piston and cavity descends, the technical problem that draws water and the ability of spouting water of piston pump descend.

The embodiment of the utility model provides a pair of tooth flushing machine is pressed to magnetism, tooth flushing machine is pressed to magnetism includes: the side wall of the suction cavity is provided with a water inlet and a water outlet which are communicated with the inside and the outside of the suction cavity, the water inlet is provided with a water inlet one-way valve structure, and the water outlet is provided with a water outlet one-way valve structure;

the side wall of the suction cavity is provided with a first communicating port communicated with the inside and the outside of the suction cavity, the cache bag body is hollow, a second communicating port communicated with the inside and the outside of the cache bag body is arranged on the cache bag body, and the first communicating port is in butt joint with the second communicating port;

the magnetic extrusion mechanism comprises an electromagnet, a first clamping plate and a second clamping plate, the cache capsule body is positioned between the first clamping plate and the second clamping plate, and two opposite side walls of the cache capsule body are respectively connected with the first clamping plate and the second clamping plate; the first clamping plate is provided with a first permanent magnet, and the electromagnet attracts or repels the first clamping plate so that the first clamping plate is close to the second clamping plate and flattens the cache capsule body or the first clamping plate is far away from the second clamping plate and releases the cache capsule body.

Furthermore, be provided with the second permanent magnet on the second splint, first splint and second splint are located respectively the both sides of the relative bipolarity end of electro-magnet, the electro-magnet be used for simultaneously to first permanent magnet and second permanent magnet exert magnetic force, so that first splint and second splint move in opposite directions or back-to-back.

Furthermore, the electromagnet comprises a first polarity end and a second polarity end which are positioned at two opposite ends of the electromagnet;

the first clamping plate is provided with a first hinge structure for being hinged with the electromagnet, and a first magnetic suction part and a first clamping part which are positioned on two opposite sides of the first hinge structure; the first permanent magnet is arranged on the first magnetic suction part, and the first magnetic suction part is positioned on the outer side of the first polarity end;

the second clamping plate is provided with a second hinge structure for being hinged with the electromagnet, and a second magnetic suction part and a second clamping part which are positioned on two opposite sides of the second hinge structure; the second permanent magnet is arranged on the first magnetic suction part, and the second magnetic suction part is positioned on the outer side of the second polarity end;

the first clamping portion and the second clamping portion are used for being connected with two opposite side walls of the cache capsule body respectively.

Further, a return spring is connected between the first clamping plate and the second clamping plate, and the return spring has a tendency to move the first clamping plate and the second clamping plate away from each other.

Further, the electromagnet comprises an insulating support, a silicon steel sheet assembly is arranged in the insulating support, a coil winding is wound on the outer side of the insulating support, and the first hinge structure and the second hinge structure are both hinged to the insulating support.

Furthermore, the magnetic pressure tooth flushing machine comprises an upper shell, wherein axial assembling holes penetrating through the upper end surface and the lower end surface of the upper shell are formed in the upper shell;

the lower extreme of going up the casing be provided with axial pilot hole intercommunication and downwardly extending's connecting cylinder, the bottom opening of connecting cylinder forms first intercommunication mouth, the connecting cylinder is pegged graft inside buffer memory utricule second intercommunication mouth.

Further, the magnetic pressure tooth flusher comprises a clamping ring, and the clamping ring is used for clamping the buffer capsule body on the connecting cylinder.

Furthermore, the magnetic pressure tooth flushing machine also comprises an elastic valve module which is inserted in the axial assembling hole;

the elastic valve module comprises a flow channel penetrating through the upper end surface and the lower end surface of the elastic valve module, a conical elastic valve is arranged in the flow channel, the conical elastic valve comprises a conical surface facing the inside of the suction cavity and is gradually reduced in shape from inside to outside, and a water outlet gap communicated with the inner surface and the outer surface of the conical elastic valve is formed in the top of the conical surface.

Further, the water inlet sets up on the inside wall of axial pilot hole, the elasticity valve module blocks water the separation blade including the elasticity that is located its bottom, elasticity blocks water the separation blade and covers the inboard of water inlet, elasticity blocks water the separation blade and has elasticity, elasticity blocks water the separation blade and can produce deformation towards the inboard under the effect of pressure, elasticity blocks water the separation blade and forms the check valve structure of intaking.

Further, be provided with the annular base that extends to the inboard on the axial assembly hole inner wall, the upper end opening of connecting cylinder and the interior ring connection of annular base, just the annular base is located the below of elasticity separation blade that blocks water, be provided with rather than endocentric draft tube on the annular base, elasticity separation blade that blocks water is located between the circumference outer wall and the water inlet of draft tube.

The embodiment of the utility model provides a magnetic pressure tooth flushing machine includes: the side wall of the suction cavity is provided with a water inlet and a water outlet which are communicated with the inside and the outside of the suction cavity, the water inlet is provided with a water inlet one-way valve structure, and the water outlet is provided with a water outlet one-way valve structure; the side wall of the suction cavity is provided with a first communicating port communicated with the inside and the outside of the suction cavity, the cache bag body is hollow, a second communicating port communicated with the inside and the outside of the cache bag body is arranged on the cache bag body, and the first communicating port is in butt joint with the second communicating port; the magnetic extrusion mechanism comprises an electromagnet, a first clamping plate and a second clamping plate, the cache capsule body is positioned between the first clamping plate and the second clamping plate, and two opposite side walls of the cache capsule body are respectively connected with the first clamping plate and the second clamping plate; the first clamping plate is provided with a first permanent magnet, and the electromagnet attracts or repels the first clamping plate so that the first clamping plate is close to the second clamping plate and flattens the cache capsule body or the first clamping plate is far away from the second clamping plate and releases the cache capsule body. When the tooth flushing device is used, the first permanent magnet on the first clamping plate can be attracted or repelled by changing the magnetism of the end part of the electromagnet, so that the distance between the first clamping plate and the second clamping plate is changed. Therefore, the buffer capsule body is positioned between the first clamping plate and the second clamping plate, when the distance between the first clamping plate and the second clamping plate is reduced, the buffer capsule body can be flattened and deformed by the first clamping plate and the second clamping plate, and when the distance between the first clamping plate and the second clamping plate is increased, the buffer capsule body can be pulled by the first clamping plate and the second clamping plate to restore to the original shape. The extrusion can change the volume of the internal hollow of buffer memory utricule with release buffer memory utricule, and then changes the pressure of the internal hollow of buffer memory utricule, because buffer memory utricule and suction cavity intercommunication, consequently, the pressure in the suction cavity changes along with the change of buffer memory utricule internal pressure. When the buffer capsule is extruded, the pressure in the suction cavity is higher than the external pressure, and water in the suction cavity is sprayed out through the water outlet one-way valve; and when the buffer memory utricule integument was released and recovered original shape, the pressure in the suction cavity was less than external pressure, and external water can enter into the suction cavity through the check valve structure that intakes from the water inlet in, through extrude repeatedly and release buffer memory utricule can realize pumping and the water spray action of suction cavity, and the seal structure between buffer memory utricule and the suction cavity is not fragile, and the whole leakproofness of suction cavity is better, has improved the life who washes tooth ware.

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

FIG. 1 is a schematic view of a water bag tooth irrigator according to an embodiment of the present invention;

FIG. 2 is a top view of the water bag tooth irrigator according to the embodiment of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a sectional view taken in the direction B-B in fig. 2.

Icon: 100-cache capsule; 110-a limit protrusion; 210-an electromagnet; 220-a first splint; 221-a first magnetic attraction part; 222-a first clamping portion; 230-a second splint; 231-a second magnetic attraction part; 232-a second clamping portion; 300-a return spring; 400-an upper housing; 410-a connector barrel; 420-a tightening ring; 421-limit convex ring; 510-a conical elastomeric valve; 520-an elastic water blocking baffle sheet; 610-a ring-shaped base; 620-guide shell; 710-a limit boss; 720-annular upper end.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-4, the magnetic pressure tooth washing machine provided by the embodiment of the present invention comprises: a suction chamber, a caching bladder 100 and a magnetic compression mechanism for collapsing or releasing the caching bladder 100, thereby changing the volume within the caching bladder 100.

The suction cavity is characterized in that a water inlet and a water outlet which are communicated with the inside and the outside of the suction cavity are formed in the side wall of the suction cavity, a water inlet one-way valve structure is arranged at the water inlet, a water outlet one-way valve structure is arranged at the water outlet, the water inlet one-way valve structure can be opened when the internal pressure of the suction cavity is smaller than the external pressure, and the water outlet one-way valve structure can be opened when the internal pressure of the suction cavity is larger than the external pressure.

Be provided with its inside and outside first intercommunication mouth of intercommunication on the lateral wall of suction cavity, buffer memory utricule 100 is hollow, just be provided with its inside and outside second intercommunication mouth of intercommunication on the buffer memory utricule 100, first intercommunication mouth with the butt joint of second intercommunication mouth. The material of the suction cavity may be a hard material, such as plastic, and the material of the buffer capsule 100 may be rubber with large elasticity, so that the buffer capsule 100 may be deformed when being subjected to an external force, and the external force may be removed to restore the original shape.

The magnetic pressing mechanism comprises an electromagnet 210, a first clamping plate 220 and a second clamping plate 230, the caching capsule 100 is located between the first clamping plate 220 and the second clamping plate 230, and two opposite side walls of the caching capsule 100 are respectively connected with the first clamping plate 220 and the second clamping plate 230. In one embodiment, the second clamp 230 may be stationary while the first clamp 220 moves relative to the second clamp 230. The first clamp plate 220 is provided with a first permanent magnet, and the electromagnet 210 attracts or repels the first clamp plate 220 by changing the direction of current to change the polarity of the end thereof, so that the first clamp plate 220 approaches the second clamp plate 230 and collapses the caching capsule 100 or the first clamp plate 220 moves away from the second clamp plate 230 and releases the caching capsule 100.

When the tooth flushing device is used, the first permanent magnet on the first clamping plate 220 can be attracted or repelled by changing the magnetism of the end part of the electromagnet 210, so that the distance between the first clamping plate 220 and the second clamping plate 230 can be changed. The caching bladder 100 is located between the first splint 220 and the second splint 230, and when the distance between the first splint 220 and the second splint 230 is decreased, the caching bladder 100 is crushed and deformed by the first splint 220 and the second splint 230, and when the distance between the first splint 220 and the second splint 230 is increased, the caching bladder 100 can be pulled by the first splint 220 and the second splint 230 to restore to its original shape. The volume of the hollow inside of the caching capsule 100 can be changed by pressing and releasing the caching capsule 100, and further the pressure of the hollow inside of the caching capsule 100 is changed, because the caching capsule 100 is communicated with the suction cavity, the pressure inside the suction cavity is changed along with the change of the pressure inside the caching capsule 100. When the cache capsule 100 is extruded, the pressure in the suction cavity is higher than the pressure outside, and water in the suction cavity is sprayed out through the water outlet one-way valve; and when buffer memory utricule 100 was released and recovered original shape, the pressure in the suction cavity was less than external pressure, and external water can enter into the suction cavity through the check valve structure of intaking from the water inlet in, through repeatedly extruding and releasing buffer memory utricule 100 can realize pumping water and the action of spraying water of suction cavity, and the seal structure between buffer memory utricule 100 and the suction cavity is not fragile, and the whole leakproofness of suction cavity is better, has improved the life of towards tooth ware.

In this embodiment, the second clamping plate 230 may further include a second permanent magnet, the first clamping plate 220 and the second clamping plate 230 are respectively located at two sides of the two opposite polarity ends of the electromagnet 210, and the electromagnet 210 is configured to apply a magnetic force to the first permanent magnet and the second permanent magnet at the same time, so that the first clamping plate 220 and the second clamping plate 230 move towards or away from each other.

Specifically, the two polarity ends of the electromagnet 210 are respectively located at the left and right sides of the electromagnet 210, the first clamping plate 220 is located at the left side of the electromagnet 210, the second clamping plate 230 is located at the right side of the electromagnet 210, the side of the first permanent magnet facing the electromagnet 210 can be N-pole, and the side of the second permanent magnet facing the electromagnet 210 can be S-pole, so that the electromagnet 210 can be used for attracting or repelling the first permanent magnet and the second permanent magnet at the same time.

The electromagnet 210 comprises a first polarity end and a second polarity end at two opposite ends; the first clamping plate 220 is provided with a first hinge structure for being hinged to the electromagnet 210, and a first magnetic suction part 221 and a first clamping part 222 which are positioned at two opposite sides of the first hinge structure; the first permanent magnet is arranged on the first magnetic part 221, and the first magnetic part 221 is located at the outer side of the first polarity end; the second clamping plate 230 is provided with a second hinge structure for being hinged with the electromagnet 210, and a second magnetic suction part 231 and a second clamping part 232 which are positioned at two opposite sides of the second hinge structure; the second permanent magnet is disposed on the first magnetic attraction part 221, and the second magnetic attraction part 231 is located outside the second polarity end; the first clamping portion 222 and the second clamping portion 232 are adapted to be connected to two opposite sidewalls of the caching capsule 100, respectively.

By changing the direction of the current passing through the electromagnet 210, the polarities of the first polarity end and the second polarity end can be changed alternately, so that the first polarity end and the second polarity end attract the first magnetic attraction part 221 and the second magnetic attraction part 231 at the same time, and due to the lever principle, when the first magnetic attraction part 221 and the second magnetic attraction part 231 are close to the electromagnet 210 at the same time, the first clamping part 222 and the second clamping part 232 at the other end of the hinge structure will move in opposite directions, so as to drive the cache capsule 100 to actively recover the original shape; on the contrary, when the first magnetic portion 221 and the second magnetic portion 231 are simultaneously subjected to a repulsive force and are away from the electromagnet 210, the first clamping portion 222 and the second clamping portion 232 at the other end of the hinge structure move towards each other, so as to collapse the caching capsule 100. The hinged lever structure can make full use of the inner space of the tooth irrigator, and the change of the distance between the first clamping plate 220 and the second clamping plate 230 can be realized by using a smaller inner space.

A return spring 300 is connected between the first clamping plate 220 and the second clamping plate 230, the return spring 300 having a tendency to move the first clamping plate 220 and the second clamping plate 230 in a direction away from each other. The speed of the resetting of the caching capsule 100 is increased and at the same time excessive squeezing of the caching capsule 100 is avoided.

The electromagnet 210 comprises an insulating support, a silicon steel sheet assembly is arranged in the insulating support, a coil winding is wound on the outer side of the insulating support, and the first hinge structure and the second hinge structure are both hinged to the insulating support.

The magnetic pressure tooth flushing machine comprises an upper shell 400, wherein axial assembling holes penetrating through the upper end surface and the lower end surface of the upper shell 400 are formed in the upper shell 400; the lower end of the upper housing 400 is provided with a connecting cylinder 410 which is communicated with the axial assembling hole and extends downwards, the bottom end opening of the connecting cylinder 410 forms the first communicating port, and the connecting cylinder 410 is inserted into the second communicating port of the buffer storage capsule body 100.

The inner space of axial pilot hole belongs to a part of suction cavity, and inside connecting cylinder 410 inserted buffer memory utricule 100, buffer memory utricule 100 opening part inner wall held tightly connecting cylinder 410, can increase the leakproofness between the two, and is further, the water pocket is towards tooth ware and is included hooping ring 420, hooping ring 420 is used for with buffer memory utricule 100 hoops tightly on the connecting cylinder 410. The hoop 420 is annular, and the hoop 420 is sleeved outside the buffer capsule 100 to press the buffer capsule 100 onto the sidewall of the connecting cylinder 410 along the circumferential direction.

The circumferential outer side wall of the second communication port of the buffer memory capsule 100 is further provided with a limiting protrusion 110 protruding outward, the inner wall of the tightening ring 420 is provided with a limiting convex ring 421 protruding inward, the limiting protrusion 110 is clamped above the limiting convex ring 421, and the limiting convex ring 421 is matched with the limiting protrusion 110, so that the buffer memory capsule 100 can be prevented from being separated from the upper shell 400.

The magnetic pressure tooth flushing machine also comprises an elastic valve module which is inserted in the axial assembling hole; the elastic valve module comprises a flow channel penetrating through the upper end surface and the lower end surface of the elastic valve module, a conical elastic valve 510 is arranged in the flow channel, the conical elastic valve 510 comprises a conical surface facing the inside of the suction cavity and is gradually reduced from inside to outside in the shape of the cross section of the conical surface, and a water outlet gap communicated with the inner surface and the outer surface of the conical elastic valve 510 is formed in the top of the conical surface.

The elastic valve module is inserted into the axial assembly hole, and the conical elastic valve 510 is arranged in the elastic valve module, when the buffer storage capsule body 100 is extruded, the pressure in the suction cavity is increased, two inner side walls of the conical elastic valve 510 are gradually separated under the pressure, so that a water outlet gap is opened, and water can be sprayed out. And when the pressure in the suction cavity is reduced, the water outlet gap is closed under the self deformation recovery of the conical elastic valve 510.

The water inlet sets up on the inside wall of axial pilot hole, the elasticity valve module blocks water separation blade 520 including the elasticity that is located its bottom, elasticity blocks water separation blade 520 and covers the inboard of water inlet, elasticity blocks water separation blade 520 has elasticity, elasticity blocks water separation blade 520 and can produce deformation towards the inboard under the effect of pressure, elasticity blocks water separation blade 520 and forms the check valve structure of intaking.

The elastic water blocking baffle 520 is tightly attached to the inner wall of the axial assembly hole in a natural state, and the elastic water blocking baffle 520 can block the water inlet inside and outside the upper shell 400, but because the elastic water blocking baffle 520 has elasticity, when the pressure in the suction cavity is smaller than the external pressure, the elastic water blocking baffle 520 can be bent to one side far away from the water inlet, so that the water inlet is opened, the external water can enter the suction cavity, and therefore the elastic water blocking baffle 520 can form a water inlet one-way valve of the water inlet. The elastic water blocking flap 520 is part of the elastic valve module, so that the water inlet check valve and the water outlet check valve are both located on the same component, simplifying the structure of the tooth flusher.

Be provided with the annular base 610 that extends to the inboard on the axial assembly hole inner wall, the upper end opening of connecting cylinder 410 and the interior ring connection of annular base 610, just annular base 610 is located the elasticity blocks water the below of separation blade 520, be provided with on the annular base 610 rather than endocentric draft tube 620, elasticity blocks water the separation blade 520 and is located between the circumference outer wall and the water inlet of draft tube 620.

When the cache capsule body 100 is restored to the original shape from the flattened state, the baffle plate is opened, water can flow in from the water inlet, then the water moves upwards after passing through the upper surface of the annular base 610 and the outer wall of the guide cylinder 620, passes through the guide cylinder 620 and then flows downwards into the cache capsule body 100 to be stored in the suction cavity; when the buffer capsule 100 is collapsed from its original shape, the water in the suction chamber flows upward along the inner wall of the guide cylinder 620 to the outlet check valve. The elastic water blocking piece 520 is positioned between the guide cylinder 620 and the water inlet, and the annular base 610 and the guide cylinder 620 are arranged to prevent water from accidentally rushing away from the elastic water blocking piece 520 when water is discharged, so that the pressure at the water outlet is reduced.

In order to improve the sealing performance between the upper housing 400 and the elastic valve module, a limiting boss 710 protruding outward in the radial direction is disposed at the top end of the elastic valve module, a limiting slot is disposed on the bottom surface of the limiting boss 710, and the limiting slot is used for being inserted into the annular upper end portion 720 of the upper housing 400. During installation, the elastic valve module is inserted into the axial assembly hole from top to bottom, and the limiting slot at the upper end of the elastic valve module can be inserted into the annular upper end portion 720 forming the axial assembly hole, so that the sealing performance between the elastic valve module and the upper shell 400 is improved, namely the sealing performance of the suction cavity is improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A magnetic pressure tooth washing machine, characterized in that, the magnetic pressure tooth washing machine includes: the side wall of the suction cavity is provided with a water inlet and a water outlet which are communicated with the inside and the outside of the suction cavity, the water inlet is provided with a water inlet one-way valve structure, and the water outlet is provided with a water outlet one-way valve structure;

a first communicating port communicated with the inside and the outside of the suction cavity is formed in the side wall of the suction cavity, the cache bag body (100) is hollow, a second communicating port communicated with the inside and the outside of the cache bag body (100) is formed in the cache bag body, and the first communicating port is in butt joint with the second communicating port;

the magnetic extrusion mechanism comprises an electromagnet (210), a first clamping plate (220) and a second clamping plate (230), the cache capsule (100) is positioned between the first clamping plate (220) and the second clamping plate (230), and two opposite side walls of the cache capsule (100) are respectively connected with the first clamping plate (220) and the second clamping plate (230); the first clamping plate (220) is provided with a first permanent magnet, and the electromagnet (210) attracts or repels the first clamping plate (220) so as to enable the first clamping plate (220) to be close to the second clamping plate (230) and to crush the caching capsule (100) or enable the first clamping plate (220) to be far away from the second clamping plate (230) and to release the caching capsule (100).

2. The magnetic pressure tooth washing machine according to claim 1, characterized in that a second permanent magnet is disposed on the second clamping plate (230), the first clamping plate (220) and the second clamping plate (230) are respectively disposed at two sides of the opposite polarity ends of the electromagnet (210), and the electromagnet (210) is configured to apply a magnetic force to the first permanent magnet and the second permanent magnet at the same time, so that the first clamping plate (220) and the second clamping plate (230) move towards or away from each other.

3. The magnetic pressure tooth washing machine according to claim 2, characterized in that the electromagnet (210) comprises a first polarity end and a second polarity end at opposite ends thereof;

the first clamping plate (220) is provided with a first hinge structure hinged with the electromagnet (210), a first magnetic suction part (221) and a first clamping part (222) which are positioned at two opposite sides of the first hinge structure; the first permanent magnet is arranged on the first magnetic suction part (221), and the first magnetic suction part (221) is positioned on the outer side of the first polarity end;

the second clamping plate (230) is provided with a second hinge structure hinged with the electromagnet (210), and a second magnetic suction part (231) and a second clamping part (232) which are positioned at two opposite sides of the second hinge structure; the second permanent magnet is arranged on the first magnetic part (221), and the second magnetic part (231) is positioned outside the second polarity end;

the first clamping portion (222) and the second clamping portion (232) are configured to be connected to two opposite sidewalls of the caching capsule (100), respectively.

4. A magnetic pressure dental irrigator according to claim 3, wherein a return spring (300) is connected between the first splint (220) and the second splint (230), the return spring (300) having a tendency to move the first splint (220) and the second splint (230) away from each other.

5. A magnetic pressure dental irrigator according to claim 3, wherein the electromagnet (210) comprises an insulating support inside which a silicon steel sheet assembly is disposed, the insulating support being wound on its outside with a coil winding, the first and second hinge structures being hinged to the insulating support.

6. The magnetic pressure tooth washing machine according to claim 1, characterized in that the magnetic pressure tooth washing machine comprises an upper shell (400), wherein the upper shell (400) is provided with axial assembling holes penetrating through the upper and lower end faces of the upper shell (400);

the lower extreme of going up casing (400) be provided with axial pilot hole intercommunication and downwardly extending's connecting cylinder (410), the bottom opening of connecting cylinder (410) forms first intercommunication mouth, connecting cylinder (410) are pegged graft inside buffer memory utricule (100) second intercommunication mouth.

7. The magnetic dental irrigator according to claim 6, comprising a tightening ring (420), the tightening ring (420) being used to tighten the buffer bladder (100) on the connecting cylinder (410).

8. The magnetic pressure tooth washing machine according to claim 6, further comprising an elastic valve module inserted into the axial fitting hole;

the elastic valve module comprises a flow channel penetrating through the upper end surface and the lower end surface of the elastic valve module, a conical elastic valve (510) is arranged in the flow channel, the conical elastic valve (510) comprises a conical surface facing the inside of the suction cavity and is gradually reduced from inside to outside in the shape of the cross section of the conical surface, and a water outlet gap communicated with the inner surface and the outer surface of the conical elastic valve (510) is formed in the top of the conical surface.

9. The magnetic pressure tooth washing machine according to claim 8, wherein the water inlet is arranged on the inner side wall of the axial assembly hole, the elastic valve module comprises an elastic water-blocking baffle (520) at the bottom end of the elastic valve module, the elastic water-blocking baffle (520) covers the inner side of the water inlet, the elastic water-blocking baffle (520) has elasticity, the elastic water-blocking baffle (520) can deform towards the inner side under the action of pressure, and the elastic water-blocking baffle (520) forms the water inlet one-way valve structure.

10. The magnetic pressure tooth washing machine according to claim 9, characterized in that an annular base (610) extending inwards is arranged on the inner wall of the axial assembling hole, the upper end opening of the connecting cylinder (410) is connected with the inner ring of the annular base (610), the annular base (610) is positioned below the elastic water-blocking baffle (520), a guide cylinder (620) concentric with the annular base (610) is arranged on the annular base (610), and the elastic water-blocking baffle (520) is positioned between the circumferential outer wall of the guide cylinder (620) and the water inlet.