CN217908049U

CN217908049U - Tooth washing device

Info

Publication number: CN217908049U
Application number: CN202221801988.8U
Authority: CN
Inventors: 杨晓川
Original assignee: Guangdong Ielts Electronic Co ltd
Current assignee: Guangdong Ielts Electronic Co ltd
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-11-29
Anticipated expiration: 2032-07-13

Abstract

The utility model relates to the technical field of oral cavity nursing equipment, in particular to a tooth washing device, which comprises a shell, a core assembly, a water inlet assembly and a water outlet assembly, wherein the core assembly, the water inlet assembly and the water outlet assembly are respectively arranged in the shell; the inner cavity of the pump body is respectively communicated with the water inlet assembly and the water outlet assembly. The first mounting cavity and the second mounting cavity are separated by the partition, so that the driving device is guaranteed to be safely and stably used; the gap between the pair of isolating pieces of the sealing piece and the output end of the driving device is sealed, the driving device, the storage battery and the circuit board can be protected from being damaged by leakage of the tooth washing liquid, and the tooth washing device is safer and more practical.

Description

Tooth washing device

Technical Field

The utility model relates to the technical field of oral care equipment, in particular to a tooth washing device.

Background

The tooth washing device is an auxiliary tool for cleaning the oral cavity, and is a tool for cleaning teeth and slits by using a pulse water flow impact mode. The tooth washing device generally drives the eccentric device to push the piston to reciprocate by the high-speed rotating force of the motor, so that the pump body sucks and sprays high-pressure water flow to achieve the effect of cleaning teeth and tooth gaps. However, the existing tooth washing device has a complex assembly structure, the sealing effect between the driving device and the pump body is poor, and water flow in the pump body is easy to leak into the driving device, so that the driving device is damaged or corroded, and the service life of the tooth washing device is influenced. Therefore, the drawbacks are obvious, and it is highly desirable to provide a solution.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problems, an object of the present invention is to provide a tooth washing device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a tooth washing device comprises a shell, a core assembly, a water inlet assembly and a water outlet assembly, wherein the core assembly, the water inlet assembly and the water outlet assembly are respectively arranged in the shell; and the inner cavity of the pump body is respectively communicated with the water inlet assembly and the water outlet assembly.

Further, the movement assembly further comprises a first sealing element, and the first sealing element is used for sealing a gap between the isolating element and the output end of the driving device.

Further, the driving device comprises a driver and a driving shaft connected to the output end of the driver; the piston assembly comprises a piston body in sliding connection with the inner cavity of the pump body, a first gear rotatably arranged in the first mounting cavity, a connecting part eccentrically arranged on the first gear, and a second gear rotatably arranged in the first mounting cavity and meshed with the first gear; the driving shaft penetrates through the isolating piece and protrudes into the first mounting cavity, the driving shaft is inserted into the second gear and is connected with the second gear, and the connecting portion is connected with one end, far away from the pump body, of the piston body.

Further, the movement assembly further comprises a second sealing element, and the second sealing element is used for sealing a gap between the piston body and the inner side wall of the pump body.

Furthermore, the movement assembly also comprises a water inlet valve seat and a water outlet valve seat; the inner cavity of the pump body is communicated with the water inlet assembly through the water inlet valve seat; the inner cavity of the pump body is communicated with the water outlet assembly through the water outlet valve seat.

Furthermore, the movement assembly further comprises a water outlet portion arranged on the pump body, the water outlet valve seat comprises a water outlet valve body arranged on the pump body and a water outlet valve sheet connected to the water outlet valve body, an inner cavity of the pump body is communicated with the water outlet valve body through a water outlet of the water outlet portion, the water outlet valve sheet is located between the water outlet valve body and the water outlet portion, and the water outlet valve sheet is used for opening or closing the water outlet of the water outlet portion.

Furthermore, the movement assembly also comprises a water inlet part arranged on the pump body; the water inlet valve seat comprises a water inlet valve body arranged on the pump body, and a water inlet valve sheet and an elastic piece which are respectively and movably arranged between the water inlet valve body and the water inlet part, and the inner cavity of the pump body is communicated with the water inlet valve body through the water outlet of the water inlet part; one end of the elastic piece is connected with the water inlet valve sheet, and the other end of the elastic piece is connected with the water inlet part; the water inlet valve plate is used for opening or closing the water outlet of the water inlet valve body.

Furthermore, the water outlet assembly comprises a spray head detachably connected with the shell, a nozzle detachably connected with the spray head and a water spraying structure arranged on the nozzle, and the water spraying structure is communicated with the inner cavity of the pump body through the spray head.

Furthermore, the water spraying structure comprises a water spraying groove formed by inwards recessing the outer side wall of the nozzle and a water spraying hole arranged on the water spraying groove; the water spraying holes are long holes; or the water spray hole is arranged in a plurality.

Furthermore, the water spraying structure comprises a convex part formed by outwards protruding the outer side wall of the nozzle and a water spraying through hole arranged on the convex part, and the water spraying through hole is a long hole; or the water spraying through holes are arranged in a plurality and are uniformly distributed on the convex parts.

The utility model has the advantages that: the first mounting cavity and the second mounting cavity are separated through the partition piece, so that the risk that tooth washing liquid flowing into the inner cavity of the pump body leaks into the second mounting cavity from the first mounting cavity can be effectively avoided, and the safe and stable use of the driving device is guaranteed; the gap between the output ends of the pair of isolating pieces and the driving device is sealed through the sealing piece, the first installation cavity and the second installation cavity are further independent and isolated, the sealing performance of the second installation cavity is improved, the driving device, the storage battery and the circuit board in the second installation cavity can be protected from being damaged by leakage of tooth washing liquid, and the safety and the practicability of the tooth washing device during use are improved.

Drawings

Fig. 1 is a partial sectional view of the first embodiment of the present invention.

Fig. 2 is a second partial sectional view of the present invention.

Fig. 3 is a schematic perspective view of a water outlet assembly according to a first embodiment of the present invention.

Fig. 4 is a schematic view of the three-dimensional structure of the present invention.

Fig. 5 is a schematic perspective view of a water outlet assembly according to a second embodiment of the present invention.

Description of the reference numerals:

1. a housing; 2. a water inlet assembly; 3. a water outlet assembly; 4. a movement housing; 5. a drive device; 6. a pump body; 7. a piston assembly; 8. a water inlet valve seat; 9. a water outlet valve seat; 31. a spray head; 32. a nozzle; 33. a water spray structure; 34. a water spraying groove; 35. a water spray hole; 36. a boss portion; 37. a water spray through hole; 41. a first mounting cavity; 42. a second mounting cavity; 43. a spacer; 44. a circuit board; 45. a battery; 46. a key switch; 47. a first sealing element; 48. a second sealing element; 51. a driver; 52. a drive shaft; 61. a water outlet part; 62. a water inlet part; 63. a collision part; 71. a first gear; 72. a second gear; 73. a piston body; 74. a connecting portion; 81. a water inlet valve body; 82. a water inlet valve plate; 83. an elastic member; 91. a water outlet valve body; 92. a water outlet valve plate.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

The first embodiment.

As shown in fig. 1 to 4, the utility model provides a pair of tooth washing device, it includes shell 1 and sets up core assembly, water inlet assembly 2 and the water outlet assembly 3 in shell 1 respectively, core assembly includes core housing 4, respectively sets up installation cavity one 41 and installation cavity two 42 in core housing 4, is used for keeping apart the separator 43 of installation cavity one 41 and installation cavity two 42, sets up drive arrangement 5 in installation cavity two 42 and sets up pump body 6 and piston assembly 7 in installation cavity one 41 respectively, one end of piston assembly 7 and the inner chamber swing joint of pump body 6, the output of drive arrangement 5 runs through separator 43 and stretches out to in installation cavity one 41, the output of drive arrangement 5 is connected with the other end of piston assembly 7; the inner cavity of the pump body 6 is respectively communicated with the water inlet component 2 and the water outlet component 3.

Specifically, the movement assembly further comprises a circuit board 44, a storage battery 45 and a key switch 46 which are respectively arranged in the second mounting cavity 42, and the driving device 5, the storage battery 45 and the key switch 46 are respectively electrically connected with the circuit board 44; the storage battery 45 is used for supplying power to the driving device 5; the cartridge assembly further comprises a first seal 47, the first seal 47 being adapted to seal a gap between the spacer 43 and the output of the drive means 5. In the actual use process, tooth washing liquid (liquid such as natural water or su saliva) is filled in the water inlet assembly 2, the key switch 46 is pressed, the storage battery 45 is driven by the circuit board 44 to supply power to the driving device 5, the driving device 5 is started, the driving device 5 drives the piston assembly 7 to slide in the inner cavity of the pump body 6 in the direction far away from the pump body 6, so that the volume of gas in the inner cavity of the pump body 6 is increased, the pressure in the inner cavity of the pump body 6 is reduced, the pressure in the water inlet assembly 2 is greater than the pressure in the inner cavity of the pump body 6, and under the action of pressure difference, the tooth washing liquid is pumped into the inner cavity of the pump body 6 from the water inlet assembly 2; then the driving device 5 drives the piston assembly 7 to slide in the inner cavity of the pump body 6 towards the direction close to the pump body 6, the volume of the inner cavity of the pump body 6 is continuously reduced, the pressure of the tooth washing liquid in the pump body 6 is continuously increased, the tooth washing liquid in the inner cavity of the pump body 6 flows into the water outlet assembly 3 with small pressure because the pressure of the water outlet assembly 3 is far smaller than that of the water inlet assembly 2, and finally the tooth washing liquid is sprayed out from the water outlet assembly 3 and cleans the oral cavity and teeth of a user. The first mounting cavity 41 and the second mounting cavity 42 are separated through the partition 43, so that the risk that tooth washing liquid flowing into the inner cavity of the pump body 6 leaks into the second mounting cavity 42 from the first mounting cavity 41 can be effectively avoided, and the safe and stable use of the driving device 5 is guaranteed; the gap between the output ends of the isolating piece 43 and the driving device 5 is sealed through the first sealing piece 47, the first installation cavity 41 and the second installation cavity 42 are further independent and isolated, the sealing performance of the second installation cavity 42 is improved, the driving device 5, the storage battery 45 and the circuit board 44 in the second installation cavity 42 can be protected from being damaged by leakage of tooth washing liquid, and the safety and the practicability of the tooth washing device during use are improved.

Further, the driving device 5 includes a driver 51 and a driving shaft 52 connected to an output end of the driver 51; the piston assembly 7 comprises a piston body 73 in sliding connection with the inner cavity of the pump body 6, a first gear 71 rotatably arranged in the first mounting cavity 41, a connecting part 74 eccentrically arranged on the first gear 71, and a second gear 72 rotatably arranged in the first mounting cavity 41 and meshed with the first gear 71; the driving shaft 52 penetrates through the partition 43 and protrudes into the first mounting cavity 41, the driving shaft 52 is inserted into the second gear 72 and is in key connection with the second gear 72, and the connecting part 74 is connected with one end, away from the pump body 6, of the piston body 73.

In actual use, the driving shaft 52 is driven to rotate by the driver 51, the driving shaft 52 drives the first gear 71 to rotate by the second gear 72, and the first gear 71 drives the piston body 73 to reciprocate towards or away from the pump body 6 by the connecting part 74, so that stable supply of the tooth washing liquid is realized. The utility model discloses a simple structure, the compactness of drive arrangement 5, piston assembly 7, production and simple to operate.

Further, the cartridge assembly further comprises a second sealing member 48, and the second sealing member 48 is used for sealing a gap between the piston body 73 and the inner side wall of the pump body 6.

In the actual use process, the second sealing element 48 is set to be arc-shaped or conical, so that the resistance or friction between the second sealing element 48 and the inner side wall of the pump body 6 is reduced while the sealing effect is ensured, and the piston body 73 can conveniently slide in the inner cavity of the pump body 6.

As shown in fig. 2, further, the movement assembly further comprises a water inlet valve seat 8 and a water outlet valve seat 9; the inner cavity of the pump body 6 is communicated with the water inlet component 2 through a water inlet valve seat 8; the inner cavity of the pump body 6 is communicated with the water outlet component 3 through a water outlet valve seat 9. The connecting structure of the pump body 6, the water inlet assembly 2 and the water outlet assembly 3 is simple, and the water inlet valve seat 8 and the water outlet valve seat 9 are additionally arranged, so that the quick connection of the pump body 6, the water inlet assembly 2 and the water outlet assembly 3 is facilitated.

Further, the core assembly further includes a water outlet portion 61 disposed on the pump body 6, the water outlet valve seat 9 includes a water outlet valve body 91 mounted on the pump body 6 and a water outlet valve sheet 92 connected to the water outlet valve body 91, an inner cavity of the pump body 6 is communicated with the water outlet valve body 91 through a water outlet of the water outlet portion 61, the water outlet valve sheet 92 is located between the water outlet valve body 91 and the water outlet portion 61, and the water outlet valve sheet 92 is used for opening or closing a water outlet of the water outlet portion 61.

Specifically, the pump body 6 further includes an abutting portion 63 disposed on one side of the water outlet portion 61 close to the water outlet valve plate 92, and the water outlet portion 61 is V-shaped. In the actual use process, when the piston body 73 slides in the inner cavity of the pump body 6 in the direction close to the pump body 6, the pressure of the tooth washing liquid in the inner cavity of the pump body 6 is increased, the high-pressure tooth washing liquid is sprayed out from the water outlet of the water outlet part 61, the sprayed tooth washing liquid directly pushes the water outlet valve sheet 92 away from the water outlet of the water outlet part 61, and the tooth washing liquid in the pump body 6 flows to the water outlet assembly 3 from the water outlet valve body 91 and is sprayed out from the water outlet assembly 3. In addition, when the piston body 73 slides in the inner cavity of the pump body 6 in the direction away from the pump body 6, when the pressure in the inner cavity of the pump body 6 is low, the atmospheric pressure is higher than the pressure in the inner cavity of the pump body 6, and the atmospheric pressure presses the water outlet valve sheet 92 tightly against the water outlet of the water outlet portion 61, so as to plug the water outlet of the water outlet portion 61, which is beneficial for the dental lotion in the water inlet assembly 2 to be rapidly pumped into the inner cavity of the pump body 6, and improve the pumping efficiency of the dental lotion. The water outlet part 61 is set to be V-shaped, when the water outlet valve sheet 92 is tightly pressed on the water outlet of the water outlet part 61, the contact area between the water outlet valve sheet 92 and the water outlet of the water outlet part 61 is reduced, and the reduction of the collision force and the noise generated when the water outlet valve sheet 92 closes the water outlet of the water outlet part 61 is facilitated. The collision part 63 is additionally arranged, when the water outlet valve plate 92 blocks the water outlet of the water outlet part 61, the collision part 63 can be pressed against the middle part of the water outlet valve plate 92, and the stability of the water outlet valve plate 92 in sealing is improved.

Further, the movement assembly further comprises a water inlet part 62 arranged on the pump body 6; the water inlet valve seat 8 comprises a water inlet valve body 81 arranged on the pump body 6, and a water inlet valve sheet 82 and an elastic piece 83 which are respectively and movably arranged between the water inlet valve body 81 and the water inlet part 62, and the inner cavity of the pump body 6 is communicated with the water inlet valve body 81 through the water outlet of the water inlet part 62; one end of the elastic member 83 is connected with the water inlet valve 82, and the other end of the elastic member 83 is connected with the water inlet part 62; the water inlet valve plate 82 is used for opening or closing the water outlet of the water inlet valve body 81.

Specifically, the elastic member 83 may be a spring. In the actual use process, when the piston body 73 moves in the direction away from the pump body 6, the pressure in the water inlet assembly 2 is greater than the pressure in the inner cavity of the pump body 6, the water inlet valve sheet 82 can be pushed open by the tooth washing liquid in the water inlet assembly 2 in the direction away from the water outlet of the water inlet valve seat 8, at the moment, the elastic member 83 is in a compressed state and stores elastic potential energy, and the tooth washing liquid in the water inlet assembly 2 flows into the inner cavity of the pump body 6 through the water inlet valve body 81. When the piston body 73 moves towards the direction close to the pump body 6, the pressure in the inner cavity of the pump body 6 is increased, the water inlet valve plate 82 is moved towards the direction close to the water inlet valve seat 8 by the tooth washing liquid in the inner cavity of the pump body 6, the elastic piece 83 releases elastic potential energy, the water inlet valve plate 82 is tightly abutted to the water outlet of the water inlet valve body 81 through the matching of the tooth washing liquid and the elastic piece 83, the tooth washing liquid is prevented from entering the water inlet valve body 81, and therefore the injection rate of the tooth washing liquid is improved.

Further, the water outlet assembly 3 includes a nozzle 31 detachably connected to the housing 1, a nozzle 32 detachably connected to the nozzle 31, and a water spraying structure 33 disposed on the nozzle 32, wherein the water spraying structure 33 is communicated with the inner cavity of the pump body 6 via the nozzle 31.

Specifically, the water spraying structure 33 includes a water spraying groove 34 formed by inwardly recessing the outer side wall of the nozzle 32 and a water spraying hole 35 formed on the water spraying groove 34; the water spraying holes 35 are long holes; or the plurality of the water spraying holes 35 are arranged, the plurality of the water spraying holes 35 are uniformly distributed in the water spraying groove 34, and the water spraying holes 35 are communicated with the inner cavity of the pump body 6 through the spray head 31. In the actual use process, the spray head 31 is detachably connected with the spray nozzle 32, the spray nozzles 32 of different types can be selected to be connected with the spray head 31 according to requirements, and the use requirements of different crowds can be met. The water spraying groove 34 is additionally arranged, so that the processing of the water spraying hole 35 is facilitated.

Example two.

The present embodiment is different from the first embodiment in that: as shown in fig. 5, the water spraying structure 33 includes a protrusion 36 formed by protruding an outer side wall of the nozzle 32, and a water spraying through hole 37 formed on the protrusion 36, wherein the water spraying through hole 37 is a long hole; or the water spraying through holes 37 are arranged in a plurality of ways, the water spraying through holes 37 are uniformly distributed on the lug boss 36, and the water spraying through holes 37 are communicated with the inner cavity of the pump body 6 through the spray head 31.

Set up bellying 36 and processed on bellying 36 and have water spray through-hole 37, in the in-service use process, can support bellying 36 tight user's tooth to user's perception bellying 36 and water spray through-hole 37 position in the oral cavity, the user of being convenient for washs the tooth in the oral cavity accurately, improves tooth cleaning effect.

The remaining structure of this embodiment is the same as that of the first embodiment, and the same structure may be analyzed according to the first embodiment, which is not described herein again.

All technical features in the above embodiments can be freely combined according to actual needs.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims

1. A tooth washing device is characterized in that: the water pump comprises a shell (1), a core assembly, a water inlet assembly (2) and a water outlet assembly (3), wherein the core assembly is arranged in the shell (1) respectively, the core assembly comprises a core shell (4), a first installation cavity (41) and a second installation cavity (42) which are arranged in the core shell (4) respectively, a partition (43) used for isolating the first installation cavity (41) and the second installation cavity (42), a driving device (5) arranged in the second installation cavity (42), and a pump body (6) and a piston assembly (7) which are arranged in the first installation cavity (41) respectively, one end of the piston assembly (7) is movably connected with an inner cavity of the pump body (6), the output end of the driving device (5) penetrates through the partition (43) and protrudes into the first installation cavity (41), and the output end of the driving device (5) is connected with the other end of the piston assembly (7); the inner cavity of the pump body (6) is respectively communicated with the water inlet assembly (2) and the water outlet assembly (3).

2. The dental rinser of claim 1, wherein: the cartridge assembly further comprises a first seal (47), the first seal (47) being used for sealing a gap between the isolating piece (43) and the output end of the driving device (5).

3. The dental rinser of claim 1, wherein: the driving device (5) comprises a driver (51) and a driving shaft (52) connected with the output end of the driver (51); the piston assembly (7) comprises a piston body (73) which is in sliding connection with an inner cavity of the pump body (6), a first gear (71) which is rotatably arranged in the first mounting cavity (41), a connecting part (74) which is eccentrically arranged on the first gear (71), and a second gear (72) which is rotatably arranged in the first mounting cavity (41) and is meshed with the first gear (71); the driving shaft (52) penetrates through the partition piece (43) and protrudes into the first mounting cavity (41), the driving shaft (52) is inserted into the second gear (72) and is connected with the second gear (72), and the connecting portion (74) is connected with one end, away from the pump body (6), of the piston body (73).

4. A dental rinser as claimed in claim 3, characterized in that: the movement assembly further comprises a second sealing element (48), and the second sealing element (48) is used for sealing a gap between the piston body (73) and the inner side wall of the pump body (6).

5. The dental rinser of claim 1, wherein: the movement assembly also comprises a water inlet valve seat (8) and a water outlet valve seat (9); the inner cavity of the pump body (6) is communicated with the water inlet component (2) through a water inlet valve seat (8); the inner cavity of the pump body (6) is communicated with the water outlet assembly (3) through a water outlet valve seat (9).

6. The dental rinser of claim 5, wherein: the core assembly further comprises a water outlet portion (61) arranged on the pump body (6), the water outlet valve seat (9) comprises a water outlet valve body (91) arranged on the pump body (6) and a water outlet valve sheet (92) connected to the water outlet valve body (91), the inner cavity of the pump body (6) is communicated with the water outlet valve body (91) through a water outlet of the water outlet portion (61), the water outlet valve sheet (92) is located between the water outlet valve body (91) and the water outlet portion (61), and the water outlet valve sheet (92) is used for opening or closing the water outlet of the water outlet portion (61).

7. The dental rinser of claim 5, wherein: the movement assembly also comprises a water inlet part (62) arranged on the pump body (6); the water inlet valve seat (8) comprises a water inlet valve body (81) arranged on the pump body (6), and a water inlet valve sheet (82) and an elastic piece (83) which are respectively and movably arranged between the water inlet valve body (81) and the water inlet part (62), and the inner cavity of the pump body (6) is communicated with the water inlet valve body (81) through the water outlet of the water inlet part (62); one end of the elastic piece (83) is connected with the water inlet valve piece (82), and the other end of the elastic piece (83) is connected with the water inlet part (62); the water inlet valve plate (82) is used for opening or closing a water outlet of the water inlet valve body (81).

8. The dental rinser of any one of claims 1-7, wherein: go out water subassembly (3) including shower nozzle (31) with shell (1) detachably connected, with shower nozzle (32) of shower nozzle (31) detachably connected and set up water spray structure (33) on shower nozzle (32), water spray structure (33) are through the inner chamber intercommunication of shower nozzle (31) with the pump body (6).

9. The dental prophylaxis device of claim 8, wherein: the water spraying structure (33) comprises a water spraying groove (34) formed by inwards concave arrangement of the outer side wall of the nozzle (32) and a water spraying hole (35) arranged on the water spraying groove (34); the water spraying holes (35) are long holes; or the water spray holes (35) are arranged in a plurality.

10. The dental prophylaxis device of claim 8, wherein: the water spraying structure (33) comprises a convex part (36) formed by outwards protruding the outer side wall of the nozzle (32) and a water spraying through hole (37) arranged on the convex part (36), and the water spraying through hole (37) is a long hole; or the water spraying through holes (37) are arranged in a plurality, and the water spraying through holes (37) are uniformly distributed on the bulge parts (36).