CN216724828U

CN216724828U - Tooth flushing device structure

Info

Publication number: CN216724828U
Application number: CN202123366481.2U
Authority: CN
Inventors: 陈聚国
Original assignee: Shenzhen Vinsic Innovation Technology Co ltd
Current assignee: Shenzhen Vinsic Innovation Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-06-14
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a tooth flushing device structure which comprises a shell, a piston cylinder, a push rod assembly and a limiting assembly, wherein the shell is provided with a through hole; the piston cylinder is arranged in the shell, and a first cavity communicated with the through hole is formed in the piston cylinder; the first end part of the push rod component is connected in the first cavity in a sliding way; the limiting assembly is arranged on the inner wall of the shell and is in sliding connection with the push rod assembly, and a limiting groove for the push rod assembly to penetrate is formed in the limiting assembly. When the device works, the push rod assembly is driven to linearly move along a preset first direction so as to compress the fluid in the first cavity and enable the fluid to be ejected out of the through hole at a high speed; push rod subassembly is when sliding, and spacing subassembly plays the limiting displacement to push rod subassembly, and the push rod subassembly is controlled to rock promptly and to offset with the cell wall of spacing groove when rocking, reduces push rod subassembly's the volume of rocking, stability when improving push rod subassembly linear motion reduces vibrations, avoids producing the noise.

Description

Tooth flushing device structure

Technical Field

The utility model relates to the technical field of tooth rinsers, in particular to a tooth rinser structure.

Background

Along with more and more importance placed on oral hygiene by people, more and more attention is paid to oral cleaning. The tooth flushing device is used as a novel auxiliary tool for cleaning the oral cavity, can effectively clean the positions such as the slit between the teeth and the gingival sulcus, and is more and more favored by the majority of users. The tooth rinsing device mainly adopts the principle that high-speed fluid directly impacts the gum or teeth of a user after coming out of a water outlet of a nozzle of the tooth rinsing device, and the oral cavity is cleaned by utilizing the impact force of the high-speed fluid.

The common tooth flusher in the current market adopts a driving mechanism to drive a piston mechanism to do linear motion along a preset direction so as to push fluid in a pump body to be sprayed out from a nozzle at a high speed; when the conventional piston mechanism does linear reciprocating motion, the conventional piston mechanism shakes left and right due to mechanical inertia, so that the pump body shakes, and noise is generated.

In view of this, it is necessary to improve the tooth rinsing device in the prior art to solve the technical problem of the piston mechanism shaking from side to side and generating noise.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a tooth flushing device structure, which solves the technical problems.

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

a dental irrigator structure comprising:

the shell is provided with a through hole;

the piston cylinder is arranged in the shell, and a first cavity communicated with the through hole is formed in the piston cylinder; setting the length direction of the first cavity to be a preset first direction;

the first end part of the push rod component is connected in the first cavity in a sliding mode along a preset first direction; and

the limiting assembly is arranged on the inner wall of the shell and is in sliding connection with the push rod assembly, and a limiting groove for the push rod assembly to penetrate is formed in the limiting assembly.

Optionally, the tooth irrigator structure further comprises:

and the nozzle is arranged in the through hole, and one end of the nozzle penetrates through the through hole and is communicated with the first cavity.

Optionally, the tooth irrigator structure further comprises:

and the water pump is connected with the shell and communicated with the first cavity through a connecting pipe and used for supplying fluid to the first cavity.

Optionally, the piston cylinder comprises a piston cylinder body and a sleeve sleeved in the piston cylinder body, and the first cavity is formed in the sleeve;

the upper end of the piston cylinder body is provided with a first interface and a second interface, the first interface is communicated with the through hole, and the second interface is connected with the connecting pipe.

Optionally, the tooth irrigator structure further comprises:

the sealing ring is connected with the first end of the push rod assembly, and the sealing ring is connected in the first cavity in a sliding mode in a sealing mode.

Optionally, the limiting assembly comprises two limiting convex blocks arranged at intervals, the two limiting convex blocks are respectively connected with the inner wall of the shell, and the limiting groove is formed between the two limiting convex blocks.

Optionally, the tooth rinsing device structure further comprises a driving mechanism, wherein the driving mechanism comprises an eccentric wheel transmission assembly and a motor, and the eccentric wheel transmission assembly is connected with the motor and used for driving the eccentric wheel transmission assembly to rotate;

the driving end of the eccentric wheel transmission assembly is connected with the second end of the push rod assembly and used for driving the push rod assembly to linearly move along the preset first direction.

Optionally, the eccentric wheel transmission assembly comprises a first bevel gear, a second bevel gear meshed with the first bevel gear, and an eccentric wheel eccentrically connected with the first bevel gear;

the second bevel gear is connected with an output shaft of the motor, and the motor operates to drive the eccentric wheel to rotate eccentrically.

Optionally, the push rod assembly includes a push rod body and a sleeve ring connected to one end of the push rod body, which is far away from the piston cylinder, a first groove extending along a preset second direction is arranged in the sleeve ring, and the preset second direction is a direction perpendicular to the preset first direction;

the eccentric wheel is accommodated in the first groove body, and two end parts of the eccentric wheel along a preset first direction are respectively abutted against two opposite side walls of the first groove body.

Optionally, the housing comprises a first housing and a second housing;

the clamping device comprises a first shell and a second shell, wherein the outer edge of the first shell is provided with at least one clamping groove, a limiting clamping block is arranged on the outer edge of the second shell corresponding to the clamping groove, and the limiting clamping block is clamped and connected in the clamping groove.

Compared with the prior art, the utility model has the following beneficial effects: when the device works, the push rod assembly is driven to linearly move along a preset first direction so as to compress the fluid in the first cavity and enable the fluid to be sprayed out from the through hole at a high speed; push rod subassembly is when sliding, and spacing subassembly plays the limiting displacement to push rod subassembly, and the push rod subassembly is controlled to rock promptly and to offset with the cell wall of spacing groove when rocking, reduces push rod subassembly's the volume of rocking, stability when improving push rod subassembly linear motion reduces vibrations, avoids producing the noise.

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, and 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 these drawings without inventive exercise.

The structure, proportion, size and the like shown in the drawings are only used for matching with the content disclosed in the specification, so that the person skilled in the art can understand and read the description, and the description is not used for limiting the limit condition of the implementation of the utility model, so the method has no technical essence, and any structural modification, proportion relation change or size adjustment still falls within the scope of the technical content disclosed by the utility model without affecting the effect and the achievable purpose of the utility model.

FIG. 1 is a schematic structural view of a shell and an inner core of a dental irrigator structure;

FIG. 2 is a schematic sectional view of the structure of the tooth irrigator;

FIG. 3 is a side view of the structure of the tooth irrigator;

FIG. 4 is a front view of the structure of the tooth irrigator;

FIG. 5 is a schematic cross-sectional view taken along line A-A of FIG. 4 illustrating the construction of the dental irrigator;

FIG. 6 is a schematic diagram of the piston cylinder and push rod assembly of the dental irrigator configuration;

fig. 7 is a schematic view of the structure of the inner core of the tooth irrigator structure.

Illustration of the drawings: the device comprises a shell 1, a through hole 11, a first shell 12, a second shell 13, a clamping groove 14 and a limiting clamping block 15;

the piston cylinder 2, the first cavity 21, the piston cylinder body 22, the sleeve 23, the first interface 221 and the second interface 222;

the push rod component 3, the push rod body 31, the lantern ring 32, the first groove body 33 and the second groove body 34;

the limiting component 4, the limiting groove 41 and the limiting lug 42;

a nozzle 5, a water inlet end 51, a water outlet end 52 and a flow limiting sleeve 53;

a water pump 6 and a connecting pipe 61;

a seal ring 7;

the driving mechanism 8, the eccentric wheel transmission component 81, the motor 82, a first bevel gear 811, a second bevel gear 812, an eccentric wheel 813 and a connecting pin 814;

and a PCB board 9.

Detailed Description

In order to make the objects, features and advantages of the present invention more apparent and understandable, the embodiments of the present invention will be described in detail and completely with reference to the accompanying drawings, and it is to be understood that the embodiments described below 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1 to 7, the present invention provides a structure of a dental irrigator, comprising:

the device comprises a shell 1, wherein a through hole 11 is formed in the shell 1;

a piston cylinder 2, in which a first cavity 21 communicated with the through hole 11 is formed; setting the length direction of the first cavity 21 as a preset first direction;

the first end of the push rod component 3 is connected in the first cavity 21 in a sliding manner along a preset first direction; and

spacing subassembly 4 set up in on the inner wall of casing 1, and with push rod assembly 3 sliding connection, be equipped with on the spacing subassembly 4 and be used for the confession the spacing groove 41 that push rod assembly 3 wore to establish.

As described with reference to fig. 1 and fig. 2, the first cavity 21 is disposed in the piston cylinder 2, and a length direction of the first cavity 21 is the same as a length direction of the piston cylinder 2, that is, the preset first direction; and the part marked black in fig. 1 is the limiting component 4, and the middle part of the limiting component 4 is provided with the limiting groove 41.

The push rod component 3 penetrates through the limit groove 41, the first end part of the push rod component is connected with the first cavity 21 in a sliding mode, and the second end part of the push rod component is connected with the driving mechanism 8; the width of the limiting groove 41 needs to be slightly larger than or exactly equal to the width of the push rod assembly 3, and the slightly larger width means a smaller numerical range, so that the arrangement has the advantages that the push rod assembly 3 can be prevented from being stuck on one hand, and the shaking range of the push rod assembly 3 can be greatly reduced on the other hand; if the width of the limiting groove 41 is exactly equal to the width of the push rod assembly 3, the push rod assembly 3 needs to be arranged to be a smooth outer surface, so that the abrasion degree is reduced.

The working principle of the utility model is as follows: when the device works, the push rod assembly 3 is driven to linearly move along a preset first direction so as to compress the fluid in the first cavity 21 and enable the fluid to be ejected from the through hole 11 at a high speed; push rod assembly 3 is when sliding, spacing subassembly 4 plays right push rod assembly 3's limiting displacement, promptly push rod assembly 3 about rock the time can with the cell wall of spacing groove 41 offsets, reduces push rod assembly 3's the volume of rocking improves the stability when 3 linear motion of push rod assembly, reduces vibrations, avoids producing the noise.

In this embodiment, the tooth irrigator structure further comprises a nozzle 5 installed in the through hole 11, and one end of the nozzle 5 penetrates through the through hole 11 and is communicated with the first cavity 21. As shown in fig. 1, the through hole 11 is disposed at the upper end of the housing 1, and the nozzle 5 includes a water inlet end 51 and a water outlet end 52 disposed oppositely, and a flow-limiting sleeve 53 disposed at the water inlet end 51; the flow restricting sleeve 53 is in communication with the first cavity 21.

It should be noted that the diameter of the water inlet end 51 needs to be much smaller than the diameter of the first cavity 21; when the push rod assembly 3 works, the fluid in the first cavity 21 is compressed, the flow rate of the fluid is improved through the action of the flow limiting sleeve 53, the fluid is gathered from the small-diameter water inlet end 51, and the high-speed fluid is sprayed out from the water outlet end 52.

In this embodiment, the tooth flusher structure further includes a water pump 6 and a PCB 9, which are connected to the housing 1, wherein the water pump 6 is connected to the first cavity 21 through a connecting pipe 61, and is used for supplying fluid to the first cavity 21. The water pump 6 is electrically connected with the PCB 9, and the water pump 6 receives a signal instruction of the PCB 9 to operate; the PCB 9 is provided with a button, and the operation of the water pump 6 is controlled by pressing the button.

Further illustratively, the piston cylinder 2 comprises a piston cylinder body 22 and a sleeve 23 sleeved in the piston cylinder body 22, wherein the first cavity 21 is formed in the sleeve 23;

a first interface 221 and a second interface 222 are formed at the upper end of the piston cylinder body 22, the first interface 221 is communicated with the through hole 11, the second interface 222 is connected with the connecting pipe 61, and fluid supplied by the water pump 6 flows into the first cavity 21 through the second interface 222 for buffering;

the sleeve 23 in the scheme can be made of steel or copper, so that the wear-resisting effect is achieved, and the service life is prolonged; meanwhile, the resistance of the push rod assembly 3 in the linear motion in the sleeve 23 is reduced, and the power consumption is saved.

As a preferable solution of this embodiment, the tooth rinsing device structure further includes a sealing ring 7 connected to the first end of the push rod assembly 3, and the sealing ring 7 is sealingly and slidably connected to the first cavity 21. The sealing connection mode is that the sealing ring 7 is arranged in the first cavity 21 in an interference fit manner, and the sealing ring 7 is compressed and deformed by utilizing the plasticity of the sealing ring 7, so that a gap between the sealing ring 7 and the inner wall of the first cavity 21 is eliminated, a sealing effect is achieved, and the situation of electric leakage caused by the fact that fluid flows into the shell 1 is avoided.

Specifically, the limiting component 4 includes two limiting protrusions 42 disposed at intervals, the two limiting protrusions 42 are respectively connected with the inner wall of the housing 1, and the limiting groove 41 is formed between the two limiting protrusions 42. As mentioned above, the distance between the two limit protrusions 42 is slightly larger than or exactly equal to the width of the push rod assembly 3;

as described with reference to fig. 4 and 5, the limiting protrusion 42 is a square protrusion, and the direction of the limiting protrusion is set along the preset first direction, so that when the push rod assembly 3 is slidably connected in the limiting groove 41, on one hand, the push rod assembly can linearly move along the preset first direction, and on the other hand, the left and right shaking range of the push rod assembly 3 can be limited.

In the embodiment, the tooth irrigator structure further comprises a driving mechanism 8, wherein the driving mechanism 8 comprises an eccentric wheel transmission assembly 81 and a motor 82, and the eccentric wheel transmission assembly 81 is connected with the motor 82 and used for driving the eccentric wheel transmission assembly 81 to rotate;

the driving end of the eccentric wheel transmission assembly 81 is connected with the second end of the push rod assembly 3, and is used for driving the push rod assembly 3 to linearly move along the preset first direction.

Specifically, the eccentric wheel transmission assembly 81 comprises a first bevel gear 811, a second bevel gear 812 engaged with the first bevel gear 811, and an eccentric wheel 813 eccentrically connected with the first bevel gear 811;

the second bevel gear 812 is connected with an output shaft of the motor 82, and the motor 82 operates to drive the eccentric 813 to rotate eccentrically.

Further illustratively, the eccentric wheel transmission assembly 81 further comprises a connecting pin 814, and the connecting pin 814 is rotatably connected to the housing 1;

the first bevel gear 811 is coaxially connected with the connecting pin 814, and the eccentric wheel 813 is eccentrically connected with the connecting pin 814.

Specifically, the push rod assembly 3 includes a push rod body 31 and a collar 32 connected to one end of the push rod body 31 far away from the piston barrel 2, a first groove 33 extending along a preset second direction is provided in the collar 32, and the preset second direction is a direction perpendicular to the preset first direction;

the eccentric wheel 813 is accommodated in the first groove 33, and two end portions of the eccentric wheel 813 along a preset first direction are respectively abutted against two opposite side walls of the first groove 33.

Moreover, a second groove 34 is formed on an end surface of the sleeve ring 32 away from the first groove 33, so as to avoid the connecting pin 814.

As shown in fig. 6 and 7, a first groove 33 is formed in one end surface of the collar 32 in the present solution, the first groove 33 is an oval groove, the height of the first groove is equal to the diameter of the eccentric wheel 813, and the left-right length of the first groove is greater than or equal to the outer diameter of the eccentric wheel 813 in the eccentric motion track; when the eccentric wheel 813 rotates eccentrically, the lantern ring 32 is driven to move linearly along the preset first direction.

During operation, the motor 82 operates to drive the second bevel gear 812 to rotate, so as to drive the first bevel gear 811 to rotate around the axis of the connecting pin 814, so as to drive the eccentric wheel 813 to rotate eccentrically, so as to push the push rod assembly 3 to move linearly along a preset first direction; when the push rod assembly 3 is pushed upwards, the nozzle 5 performs fluid injection work; when the push rod assembly 3 moves downwards, the first cavity 21 buffers fluid for the next fluid injection operation.

In the present embodiment, the housing 1 includes a first housing 12 and a second housing 13;

the outer edge of the first shell 12 is provided with at least one clamping groove 14, the position of the outer edge of the second shell 13, corresponding to the clamping groove 14, is provided with a limiting clamping block 15, and the limiting clamping block 15 is clamped and connected in the clamping groove 14.

Referring to fig. 3, an exploded view of the tooth irrigator structure is shown, a second cavity is formed between the first housing 12 and the second housing 13 for installing the piston cylinder 2, the push rod assembly 3 and the driving mechanism 8; and the first shell 12 and the second shell 13 are detachably connected through the matching connection of the limiting clamping block 15 and the clamping groove 14, so that the installation, the disassembly and the maintenance of each component are convenient.

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 will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A dental irrigator structure, comprising:

the device comprises a shell (1), wherein a through hole (11) is formed in the shell (1);

the piston cylinder (2) is arranged in the shell (1), and a first cavity (21) communicated with the through hole (11) is formed in the piston cylinder (2); setting the length direction of the first cavity (21) as a preset first direction;

the first end part of the push rod component (3) is connected in the first cavity (21) in a sliding mode along a preset first direction; and

the limiting component (4) is arranged on the inner wall of the shell (1) and is connected with the push rod component (3) in a sliding mode, and a limiting groove (41) for the push rod component (3) to penetrate is formed in the limiting component (4).

2. The dental irrigator structure of claim 1, further comprising:

and the nozzle (5) is arranged in the through hole (11), and one end of the nozzle (5) penetrates through the through hole (11) and is communicated with the first cavity (21).

3. The dental irrigator structure of claim 1, further comprising:

the water pump (6) is connected with the shell (1), and the water pump (6) is communicated with the first cavity (21) through a connecting pipe (61) and used for supplying fluid to the first cavity (21).

4. The structure of the tooth flusher according to claim 3, characterized in that the piston cylinder (2) comprises a piston cylinder body (22) and a sleeve (23) sleeved in the piston cylinder body (22), the sleeve (23) is internally provided with the first cavity (21);

the upper end part of the piston cylinder body (22) is provided with a first interface (221) and a second interface (222), the first interface (221) is communicated with the through hole (11), and the second interface (222) is connected with the connecting pipe (61).

5. The dental irrigator structure of claim 1, further comprising:

and the sealing ring (7) is connected with the first end part of the push rod component (3), and the sealing ring (7) is hermetically and slidably connected in the first cavity (21).

6. The structure of the tooth flusher according to claim 1, characterized in that the limiting component (4) comprises two limiting projections (42) which are arranged at intervals, the two limiting projections (42) are respectively connected with the inner wall of the shell (1), and the limiting groove (41) is formed between the two limiting projections (42).

7. The structure of the tooth flusher according to claim 1, further comprising a driving mechanism (8), wherein the driving mechanism (8) comprises an eccentric wheel transmission assembly (81) and a motor (82), the eccentric wheel transmission assembly (81) is connected with the motor (82) and is used for driving the eccentric wheel transmission assembly (81) to rotate;

the driving end of the eccentric wheel transmission assembly (81) is connected with the second end of the push rod assembly (3) and used for driving the push rod assembly (3) to linearly move along the preset first direction.

8. The dental mouthpiece structure according to claim 7, wherein the eccentric drive assembly (81) comprises a first bevel gear (811), a second bevel gear (812) engaging with the first bevel gear (811), and an eccentric (813) eccentrically connected with the first bevel gear (811);

the second bevel gear (812) is connected with an output shaft of the motor (82), and the motor (82) operates to drive the eccentric wheel (813) to rotate eccentrically.

9. The dental irrigator structure of claim 8,

the push rod assembly (3) comprises a push rod body (31) and a lantern ring (32) connected with one end, far away from the piston cylinder (2), of the push rod body (31), a first groove body (33) extending along a preset second direction is arranged in the lantern ring (32), and the preset second direction is perpendicular to the preset first direction;

the eccentric wheel (813) is accommodated in the first groove body (33), and two end parts of the eccentric wheel (813) along a preset first direction are respectively abutted against two opposite side walls of the first groove body (33).

10. The mouthrinse structure according to claim 1, characterized in that said housing (1) comprises a first housing (12) and a second housing (13);

the clamping device is characterized in that at least one clamping groove (14) is formed in the outer edge of the first shell (12), a limiting clamping block (15) is arranged on the outer edge of the second shell (13) corresponding to the position of the clamping groove (14), and the limiting clamping block (15) is clamped and connected in the clamping groove (14).