CN216754678U - Tooth flushing device - Google Patents

Abstract

The utility model discloses a tooth flushing device which comprises a host machine and a nozzle, wherein a locking assembly is arranged on the host machine and used for selectively holding and releasing the nozzle, a clamping groove matched with the locking assembly is formed in the nozzle, a limiting part is arranged in the clamping groove, and a stopping component matched with the limiting part is arranged on the locking assembly. The tooth flushing device provided by the utility model can prevent the nozzle from rotating relative to the main machine, and a limiting and locking effect is formed, so that a user can accurately enable the nozzle to face the oral cavity part to be cleaned; when certain power is exerted on the nozzle to rotate the nozzle, the stop component slides on the limiting part and is limited and locked again until the angle required by the user is rotated, so that the perceptibility of the rotation of the nozzle is stronger, the adjusting accuracy is higher, a better cleaning effect is obtained, the cleaning treatment of different positions of the oral cavity is realized, and better user experience is brought.

Description

Tooth flushing device

Technical Field

The utility model belongs to the technical field of personal care appliances, and particularly relates to a tooth flushing device.

Background

The tooth flushing device is an auxiliary tool for cleaning the oral cavity, and the tooth flushing device cleans teeth and gaps between the teeth by using a pulse water flow impact mode, so that the oral cavity health is improved. Hand-held tooth irrigators typically include a nozzle for spraying water into a user's mouth, a water storage unit for storing water, and a main body for transporting water from the water storage unit to the nozzle. To facilitate storage and cleaning and disinfection of the nozzle, the nozzle and the host are usually configured to be detachably connected.

The nozzle can be fixed connection or can rotate with the host computer and be connected, when being fixed connection, can not rotate the nozzle and realize wasing the processing to the different positions in oral cavity, when connecting for rotating, the relative host computer of nozzle rotates in the use and leads to the required clear oral cavity position of very difficult accurate with the nozzle subtend, and user experience is not good.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a tooth-rinsing device which solves one or more of these problems, and the present invention provides a tooth-rinsing device, which comprises a position-limiting part disposed in a nozzle slot and a stop member disposed on a locking component, wherein the stop member is matched with the position-limiting part, on one hand, the nozzle is prevented from rotating relative to a main machine under a natural state, and a position-limiting locking effect is formed, so that a user can accurately face the nozzle to an oral cavity part needing to be cleaned; on the other hand, when certain power is exerted on the nozzle in order to rotate the nozzle, the stop component slides on spacing portion, and spacing locking again after rotating the angle that the user needs makes the nozzle pivoted perceptibility stronger, and the regulation degree of accuracy is higher, obtains better cleaning effect, realizes carrying out the cleaning process to the different positions in oral cavity, brings better user experience.

The technical scheme of the utility model is to provide a tooth flushing device, which comprises a host machine and a nozzle, wherein a locking assembly is arranged on the host machine, a clamping groove matched with the locking assembly is arranged on the nozzle, the locking assembly is matched with the clamping groove to selectively hold and release the nozzle, the tooth flushing device is characterized in that a limiting part is arranged in the clamping groove, the limiting part comprises at least two limiting convex strips circumferentially arranged in the clamping groove, a stop component matched with the limiting part is arranged on the locking assembly, and the host machine and the nozzle are provided with:

a retaining state in which the locking assembly enters the slot to retain the nozzle on the host, the stop member being snapped into the retaining portion to prevent circumferential rotation of the nozzle relative to the host;

and in a release state, the locking component exits from the clamping groove and the stop component is separated from the limiting part so that the nozzle can be pulled out of the host machine.

Preferably, a limiting groove is formed between any two adjacent limiting convex strips, the stop member comprises at least one limiting protrusion, and in the holding state, the limiting protrusion extends into the limiting groove.

Preferably, the number of the limiting convex strips or the limiting grooves is 6-16.

Preferably, the number of the limiting protrusions is 2-6.

Preferably, the locking assembly comprises a push button, a clamping block and an elastic part, the push button is connected with the clamping block and used for driving the clamping block to move so as to release the nozzle, the elastic part is connected with the clamping block and used for providing and maintaining the nozzle retaining force, a buckle is arranged on the clamping block and matched with the clamping groove, and the stop member is arranged on the buckle.

Preferably, the locking assembly further comprises a mounting seat, the mounting seat is provided with a first opening, a second opening and a pipeline, when the nozzle penetrates into the mounting seat through the first opening, the fixture block penetrates through the second opening to be connected with the clamping groove, so that the locking assembly keeps the nozzle on the host machine, and the nozzle is communicated with the pipeline; when the push button moves towards the direction close to the nozzle, the push button can drive the clamping block to move towards the direction far away from the nozzle, so that the clamping buckle is separated from the clamping groove.

Preferably, the locking assembly further comprises a fixed seat, and a first accommodating cavity for accommodating the fixture block and the elastic member is formed between the fixed seat and the mounting seat.

Preferably, the fixing seat is provided with a connecting hole, the host is provided with a connecting column, and the connecting hole is matched with the connecting column to fix the locking assembly on the host.

Preferably, the tooth flushing device further comprises a top cover, and a second accommodating cavity for mounting the locking assembly is arranged between the top cover and the main machine.

Preferably, the tooth irrigator further comprises a decorative ring.

The utility model provides a tooth flushing device, which comprises a limiting part arranged in a nozzle clamping groove and a stop component arranged on a locking component, wherein the stop component is matched with the limiting part, so that on one hand, the nozzle is prevented from rotating relative to a main machine in a natural state, and a limiting and locking effect is formed, so that a user can accurately enable the nozzle to face to an oral cavity part to be cleaned; on the other hand, when certain power is exerted on the nozzle in order to rotate the nozzle, the stop component slides on spacing portion, and spacing locking again after rotating the angle that the user needs makes the nozzle pivoted perceptibility stronger, and the regulation degree of accuracy is higher, obtains better cleaning effect, realizes carrying out the cleaning process to the different positions in oral cavity, brings better user experience.

Drawings

The above-mentioned and other features and advantages of this disclosure, and the manner of attaining them, will become more apparent and the disclosure itself will be better understood by reference to the following description of non-limiting embodiments of the disclosure taken in conjunction with the accompanying drawings, wherein:

FIG. 1 is a schematic view of a dental irrigator provided by an embodiment of the present invention;

FIG. 2 is an exploded view of a dental irrigator provided by an embodiment of the present invention;

FIG. 3 is a partial cross-sectional view of a dental irrigator provided by an embodiment of the utility model;

FIG. 4 is a cross-sectional view of the locking assembly in the dental irrigator;

FIG. 5 is an exploded view of the locking assembly in the dental irrigator;

FIG. 6 is a schematic view of a cartridge in the dental irrigator;

FIG. 7 is a schematic view of a mount in the dental irrigator;

FIG. 8 is a schematic view of a retaining bracket in the dental irrigator;

FIG. 9 is a schematic view of a nozzle in the dental irrigator;

fig. 10 is an enlarged view of a portion a in fig. 9;

wherein, in the figures, the respective reference numerals:

10-a nozzle; 11-a card slot; 121-limit convex strips; 122-a limiting groove; 12-a limiting part; 13-a decorative ring; 20-a host; 21-a locking assembly; 211-a stop member; 22-a push button; 23-a fixture block; 231-fastening; 2311-a limit bump; 232-a second male buckle; 24-an elastic member; 25-a mounting seat; 251-a first opening; 252-a second opening; 253-a pipe; 254-first male snap; 26-a fixed seat; 261-connecting hole; 27-a first volume; 28-a second cavity; 30-a water storage unit; 40-top cover.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations and positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.

Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as implying or implying relative importance or implicitly indicating the number of technical features mentioned. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In addition, technical solutions between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the scope of the disclosure of the present invention.

In the following description, suffixes such as "module", "part", "assembly", or "unit" are used only for convenience of description of the present invention, and have no specific meaning by themselves, and thus may be used mixedly.

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

As shown in fig. 1-10, the present invention provides a tooth rinsing device, which comprises a main body 20, wherein a nozzle 10 is detachably disposed on the main body 20, the main body 20 comprises a control circuit board, a power supply, a driving motor and a water pump which are disposed in an inner cavity of the main body, and a control switch is disposed on the main body. The tooth flusher further comprises a water storage unit 30, wherein the water storage unit 30 can be a separate component and is arranged on the main machine 20; the water storage unit 30 may also be integrated with the main body 20. When the nozzle 10 is installed on the main unit 20, the nozzle 10 is connected to the water pump through the flow channel, the control circuit board controls the driving motor to operate according to a preset mode, and the motor drives the piston rod of the water pump to reciprocate through the output shaft, so that water in the water storage unit 30 is pumped up and discharged through the nozzle 10. In order to facilitate carrying, the main machine 20 is further provided with a containing cavity for containing the nozzle 10, and after the tooth flushing process is completed, the nozzle 10 is taken down from the main machine 20 and is placed in the containing cavity for containing, so that the length of a product is reduced, and the portable tooth flushing device is convenient to carry. This part is the prior art, and the present invention is not illustrated in part or described in detail.

The water storage unit 30 is provided with a water containing cavity, in one embodiment, the position of the water storage unit 30 relative to the main machine 20 is adjustable to change the volume of the water containing cavity, so that a user can adjust the position of the water storage unit 30 relative to the main machine 20 according to the volume requirement of the water containing cavity, and the requirements can be met during use and storage.

The main frame 20 is provided with a locking assembly 21, the locking assembly 21 is used for selectively holding and releasing the nozzle 10, the nozzle is provided with a clamping groove 11 matched with the locking assembly 21, a limiting part 12 is arranged in the clamping groove 11, and the locking assembly 21 is provided with a stop component 211 matched with the limiting part 12. The limiting portion 12 includes at least two limiting convex strips 121 circumferentially disposed in the slot 11, and a limiting groove 122 is formed between any two adjacent limiting convex strips 121, that is, the limiting convex strips 121 and the limiting groove 122 are alternately formed on the bottom wall of the slot 11. Preferably, the number of the position-limiting ribs 121 is 6 to 16, so that the nozzle has more rotation angles for the user to select. Preferably, the limiting convex strips 121 are circumferentially and uniformly arranged at intervals, so that the rotation angle of the nozzle 10 can be adjusted more accurately. The main body 20 and the nozzle 10 have a holding state and a releasing state, the main body of the nozzle 10 has a central axis L, in the holding state, the locking component 21 enters the clamping groove 11 to prevent the nozzle 10 from moving axially relative to the main body 20, namely, prevent the nozzle 10 from moving up and down along the central axis L, so as to hold the nozzle 10 on the main body 20, and meanwhile, the stop component 211 is clamped into the limiting part 12 to prevent the nozzle 10 from rotating circumferentially around the central axis L relative to the main body 20; in the release state, the locking member 21 is withdrawn from the locking groove 11, and the stopper member 211 is separated from the stopper portion 12 so that the nozzle 10 can be pulled out from the main body 20, thereby completing the replacement of the nozzle 10.

In a preferred embodiment, the locking assembly 21 includes a push button 22, a latch 23 and an elastic member 24, the push button 22 is connected to the latch 23, the push button 22 is used for driving the latch 23 to move to release the nozzle 10, the elastic member 24 is connected to the latch 23 to provide a holding force for holding the nozzle 10, the latch 23 is provided with a catch 231, the catch 231 is adapted to the latch 11, and the stop member 211 can be disposed on the catch 231. Specifically, the stop member 211 includes a stop protrusion 2311. The push button 22 and the block 23 may be integrally designed or may be separately formed and then connected together, and the main body is provided with a through hole for the push button 22 to extend from the inner cavity of the main body to the outside of the body.

In a preferred embodiment, the locking assembly 21 further includes a mounting seat 25, the mounting seat 25 is provided with a first opening 251, a second opening 252 and a conduit 253, when the nozzle 10 is inserted into the mounting seat 25 through the first opening 251, the latch 23 passes through the second opening 252 to connect with the slot 11, so that the latch 231 retains the nozzle 10 on the main body 20, and the nozzle 10 is communicated with the conduit 253; when the push button 22 moves toward the nozzle 10, the push button 22 can drive the latch 23 to move away from the nozzle 10, so that the latch 231 is separated from the slot 11, and the nozzle 10 can be released from the host 20. The locking assembly 21 further includes a fixed seat 26, and a first cavity 27 for accommodating the latch 23 and the elastic member 24 is formed between the fixed seat 26 and the mounting seat 25. The fixing base 26 may be provided with a connecting hole 261, and the main body 20 is provided with a connecting column (not shown), wherein the connecting hole 261 is matched with the connecting column to fix the locking assembly 21 on the main body 20. Specifically, the locking assembly 21 and the host 20 are fixed by bolts, screws pass through the connecting holes 261, threads matched with the screws are arranged in the connecting column, and the screws enter the connecting column, so that the locking assembly 21 is fixed on the host 20. The tooth irrigator further comprises a top cover 40, and a second cavity 28 for installing the locking assembly 21 is formed between the top cover 40 and the main machine 20. The nozzle 10 is sized and shaped to fit the conduit 253 and, in the retained position, the locking assembly 21 limits axial movement of the nozzle 10 while also limiting radial movement of the nozzle 10, the radial direction being perpendicular to the central axis L, thereby securely retaining the nozzle 10 to the main body 20.

The mounting seat 25 can be integrally formed with the housing of the main machine 20, the fixing seat 26 can be omitted or integrally formed with the top cover 40, and the locking component 21 is fixed through the limiting effect of the housing of the main machine 20 and the top cover. In a preferred embodiment, the mounting seat 25 and the fixing seat 26 are formed as separate members, and the fixing seat 26 is connected to the mounting seat 25 to form a first cavity 27 for accommodating the latch 23 and the elastic member 24. The mounting seat 25 is provided with a first convex buckle 254, the fixture block 23 is provided with a second convex buckle 232, one end of the elastic element 24 is sleeved on the first convex buckle 254, and the other end of the elastic element is sleeved on the second convex buckle 232, so that the elastic element 24 can stably and reliably provide elastic force for enabling the fixture block 23 to enter the clamping groove 11. In addition, the latch 23 and the elastic element 24 are also limited in the first cavity 27, so that the locking assembly 21 is stable and reliable and is not easy to deflect and fail. After the fixture block 23 and the elastic element 24 are mounted on the mounting seat 25, the fixing seat 26 is connected with the mounting seat 25, and then the fixing seat 26, the mounting seat 25, the fixture block 23 and the elastic element 24 are integrally screwed and locked on the host 20, so that the process is simple.

In a preferred embodiment, the dental irrigator further comprises a decorative ring 13, the decorative ring 13 being fitted over the nozzle 10 to identify the nozzle for the user to distinguish between different nozzles.

As shown in fig. 4, 6 and 10, the first cavity 27 is slidably provided with a latch 23, an elastic member 24 is provided between the latch 23 and the mounting seat 25, and the elastic member 24 is held against the latch 23, so that the latch 231 is held in cooperation with the slot 11. The head end of the clip 231 is held between two adjacent limiting convex strips 121. The elastic element 24 is held against the latch 23, so that the head-end limiting protrusion 2311 of the latch 231 is held in the limiting groove 122, that is, the stopping member 211 is held in the limiting groove 122, so that the stopping member 211 has a limiting and locking effect on the nozzle 10, and the nozzle 10 is prevented from spontaneously rotating due to vibration of the main machine 20 or accidental touch of the mouth cavity of a user during the operation of the tooth flusher to affect the normal use of the tooth flusher.

The stopper member 211 is shaped and sized to match the stopper groove 122 to prevent the nozzle 10 from rotating relative to the main body 20 by its own weight at an angle until a certain amount of rotational force is applied to the nozzle 10 in a state where no external force is applied. When a rotational force of a certain magnitude (or more) is applied to the nozzle 10, the stopper member 211 is elastically displaced in a direction radially away from the stopper portion 12, the stopper member 211 leaves the stopper groove 122 and engages with the stopper rib 121, the elastic piece 24 is compressed, providing an elastic force for the stopper member 211 to reenter the stopper groove 122, and the stopper member 211 is slidably rotated along the stopper portion 12 until the stopper member 211 reengages another stopper groove 122. The nozzle 10 can be rotated to a desired rotational position relative to the main body 20 and the nozzle 10 is held in the desired position by the engagement of the stopper member 211 with the stopper portion 12. Because the arrangement of the limiting convex strips 121 and the limiting grooves 122 is the concave-convex alternative arrangement, the buckles 231 impact on the concave positions under the action of the elastic pieces 24 at the convex-concave positions to make crisp sounds, so that the rotating perceptibility of the nozzle 10 is stronger, the adjusting accuracy is higher, and better user experience is brought. The head end of the stopper member 211 is a spherical surface or an arc surface to avoid scraping the stopper portion 12. The stop member 211 includes a limiting protrusion 2311, the limiting protrusion 2311 is used for matching with the limiting groove 122, the number of the limiting protrusions 2311 is preferably 1, and a plurality of limiting protrusions, such as 2-6 limiting protrusions, can be provided, and the plurality of limiting protrusions 2311 are matched with the limiting part 12. When the plurality of limiting protrusions 2311 are provided, any two limiting protrusions 2311 are directly formed into limiting grooves, when the limiting protrusions 2311 extend into the limiting grooves 122, the limiting convex strips 121 extend into the limiting grooves, namely, the stop members 211 are meshed with the limiting parts 12, and even if part of the limiting protrusions 2311 fail, the rest limiting protrusions 2311 can also limit the nozzles.

The tooth flusher provided by the utility model comprises a limiting part 12 arranged in a nozzle clamping groove 11 and a stop member 211 arranged on a locking component 21, wherein the stop member 211 is matched with the limiting part 12, so that on one hand, the nozzle 10 is prevented from rotating relative to a main machine 20 in a natural state, and a limiting locking effect is formed on the nozzle 10, so that a user can accurately enable the nozzle 10 to face to an oral cavity part needing to be cleaned; on the other hand, when a certain force is applied to the nozzle 10 to rotate the nozzle 10, the stop member 211 slides on the limiting part 12 until the stop member rotates to the angle required by the user and then is limited and locked again, so that the perceptibility of the rotation of the nozzle is stronger, the adjustment accuracy is higher, a better cleaning effect is obtained, the cleaning treatment of different positions of the oral cavity is realized, and better user experience is brought.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is a more detailed description of the present invention with reference to specific embodiments thereof, and it is not intended to limit the utility model to the specific embodiments thereof. It will be apparent to those skilled in the art that a number of simple derivations or substitutions can be made without departing from the inventive concept.

Claims (10)

1. The utility model provides a tooth flushing device, includes host computer and nozzle, be equipped with the locking subassembly on the host computer, be equipped with on the nozzle with locking subassembly complex draw-in groove, the locking subassembly with the draw-in groove cooperation is in order selectively to keep and release the nozzle, a serial communication port, be equipped with spacing portion in the draw-in groove, spacing portion includes that circumference sets up two at least spacing sand grips in the draw-in groove, be equipped with on the locking subassembly with spacing portion complex locking component, the host computer with the nozzle has:

a retaining state in which the locking assembly enters the slot to retain the nozzle on the host, the stop member snapping into the stop portion to prevent circumferential rotation of the nozzle relative to the host;

and in a release state, the locking component exits from the clamping groove and the stop component is separated from the limiting part so that the nozzle can be pulled out of the host machine.

2. The apparatus according to claim 1, wherein a limiting groove is formed between any two adjacent limiting ribs, and the stop member comprises at least one limiting protrusion, and in the holding state, the limiting protrusion extends into the limiting groove.

3. The tooth irrigator according to claim 2, wherein the number of the limiting convex strips or the limiting grooves is 6-16.

4. The dental irrigator of claim 2 wherein said stop projections are 2-6 in number.

5. The dental irrigator according to claim 2 wherein said locking assembly comprises a push button, a latch and a resilient member, said push button being connected to said latch for actuating said latch to move to release said nozzle, said resilient member being connected to said latch for providing retention of said nozzle, said latch having a catch thereon, said catch being adapted to engage said catch, said stop member being disposed on said catch.

6. The dental irrigator of claim 5 wherein said locking assembly further comprises a mounting base having a first opening, a second opening and a conduit, wherein when said nozzle is inserted into said mounting base through said first opening, said cartridge passes through said second opening to engage said slot such that said locking assembly retains said nozzle on said main body and said nozzle is in communication with said conduit; when the push button moves towards the direction close to the nozzle, the push button drives the clamping block to move towards the direction far away from the nozzle, so that the clamping buckle is separated from the clamping groove.

7. The mouthpart as recited in claim 6, wherein the locking assembly further comprises a fixing seat, and a first cavity for accommodating the fixture block and the elastic member is formed between the fixing seat and the mounting seat.

8. The dental irrigator of claim 7 wherein said holder has a connecting hole and said main body has a connecting post, said connecting hole cooperating with said connecting post to secure said locking assembly to said main body.

9. The dental irrigator of claim 1 further comprising a cap, wherein a second cavity for mounting a locking assembly is provided between said cap and said main body.

10. The dental irrigator of claim 1 further comprising a decorative ring.

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