CN221512258U - Handle of tooth-flushing device and desk-top tooth-flushing device - Google Patents

Abstract

The utility model discloses a tooth-flushing device handle and a desk-type tooth-flushing device, wherein the tooth-flushing device handle comprises a handle shell, a nozzle assembly, a pipeline control structure, a gear assembly and a handle push button. A mounting cavity is arranged in the handle shell, the top of the mounting cavity is in butt joint with the nozzle assembly, and the bottom of the pipeline control structure is connected with a handle water pipe; the gear assembly comprises a gear part and a columnar part, and a handle switch plug is arranged in the columnar part; the handle shell is provided with a handle push button which is meshed with the gear part. The structure that the handle switch plug inside the columnar part is connected with the spring has better effect of reducing pushing of the handle push button and improves the use comfort; the sealing ring is arranged to improve the sealing performance between the handle infusion pipeline and the shell, prevent water leakage and prolong the service life of the equipment.

Description

Handle of tooth-flushing device and desk-top tooth-flushing device

Technical Field

The utility model relates to the technical field of tooth flushers, in particular to a handle of a tooth flusher and a desk type tooth flusher.

Background

The tooth cleaning device is household oral cavity cleaning equipment, uses the impact force of pulse water flow to clean the tooth surfaces and tooth gaps, and is widely used for household daily oral cavity cleaning and nursing. The tooth-flushing device is mainly divided into two main types of hand-held tooth-flushing devices and desk-type tooth-flushing devices according to the use mode.

The handheld tooth flusher has smaller volume and can be operated by hand, but the water tank has limited capacity and shorter use time each time. The desk type tooth washing device is provided with an independent water tank body, the water tank is large in capacity, and can support the whole family to use for a plurality of times and for a long time, but the desk type tooth washing device is required to be placed on a plane such as a wash basin for operation. The working principle of the tooth flushing device is similar in whichever type, namely, the motor is used for driving the handle infusion pipeline mechanism, so that the piston reciprocates at a high speed in the handle infusion pipeline, the internal volume of the handle infusion pipeline is reduced and increased, negative pressure water absorption and positive pressure water drainage are formed, and pulse water flow is ejected.

At present, the tooth flusher on the market generally has some problems, firstly, the sealing performance is poor, the sealing between the piston and the handle infusion pipeline and between the nozzle and the shell is defective, the water leakage phenomenon is easy to occur, and the water pumping effect and the service life of equipment are affected. And secondly, the shock resistance is poor, the handle infusion pipeline is directly fixed on the shell, and the shock and noise generated during movement are large and are transmitted to the handle to influence the comfort. Finally, the control is relatively inflexible, the water quantity adjustment is not continuous enough, and the pulse water flow strength cannot be accurately controlled. The on/off control is not smooth enough. The above problems, in combination, result in an inferior user experience of the dental irrigator.

Aiming at the problems of the existing tooth-flushing device, the tooth-flushing device with strong sealing property, good shock absorption property, flexible control and long service life is developed, the technical level of the tooth-flushing device product can be improved, and the tooth-flushing device is one of the difficult problems to be solved by the technicians in the field.

Disclosure of utility model

The utility model provides a handle of a tooth-flushing device and a desk-type tooth-flushing device, which aim to solve the problems of poor shock absorption, poor sealing performance and the like in the prior art.

In order to achieve the above purpose, the utility model provides a handle of a tooth flushing device, which comprises a handle shell and a nozzle assembly detachably connected with the handle shell, wherein an installation cavity is formed in the handle shell, a top opening matched with the installation of the nozzle assembly is formed in the top of the handle shell, a bottom opening is formed in the bottom of the handle shell, a pipeline control structure is arranged in the installation cavity, a nozzle liquid outlet corresponding to the top opening is formed in the top of the pipeline control structure, a nozzle fixing piece used for installing the nozzle assembly is further arranged at the top of the pipeline control structure, a first elastic part is arranged on one side of the pipeline control structure and is elastically connected with the handle shell or the nozzle fixing piece through the first elastic part, the pipeline control structure comprises a handle infusion pipeline and a switch transmission device arranged in the handle infusion pipeline and used for controlling opening and closing of the pipeline, and a handle push button connected with the switch transmission device is arranged on the handle shell.

Further, the switch transmission device comprises a gear assembly, the gear assembly comprises an integrally formed gear part and a columnar part, a handle switch plug is arranged in the columnar part, a second elastic component is fixedly connected to the handle switch plug, and the second elastic component is elastically connected with the handle infusion pipeline.

Further, an adjusting switch and an adjusting rack which is arranged on the adjusting switch and meshed with the gear part are arranged on the handle push button.

Further, the handle shell comprises a handle upper shell and a handle lower shell which is detachably connected with the handle upper shell, and the handle push button is fixedly arranged on the handle lower shell.

Further, the nozzle fixing piece comprises a nozzle seat arranged at the top of the pipeline control structure and a nozzle buckle connected with the nozzle seat in a buckling manner, and the nozzle assembly is detachably connected with the nozzle seat.

Further, the nozzle assembly includes a nozzle and a nozzle trim disposed outside the nozzle.

Further, a first silica gel ring is arranged between the nozzle seat and the pipeline control structure.

Further, a second silica gel ring is arranged between the gear assembly and the handle push button.

In addition, the application also provides a desk type tooth-flushing device, which comprises a tooth-flushing device body, the tooth-flushing device handle and a handle water pipe connected with the opening at the bottom of the tooth-flushing device handle, wherein one end of the handle water pipe is provided with a clamping ring, and the clamping ring is fixedly arranged in the tooth-flushing device handle.

Further, a handle bracket for fixing the handle of the tooth-flushing device is arranged on the outer side wall of the tooth-flushing device body.

The utility model has the beneficial effects that: according to the utility model, the floating shock absorption of the handle infusion pipeline is realized by arranging the spring between the pipeline control structure arranged in the handle shell and the handle shell or the nozzle fixing piece for installing the nozzle assembly; the handle is enhanced in sealing between the infusion pipeline and the shell as well as the nozzle assembly, and the handle push button and the gear assembly mechanically connected with the handle push button are arranged to accurately control the water quantity, so that the shock resistance and the sealing performance of the handle of the tooth washer are improved, the operation is smoother, the structural design is improved, the use is more comfortable and handy, the product quality and the service life are integrally improved, and the tooth washer has larger improvement compared with the prior art.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an exploded construction of a handle of the dental irrigator of the present utility model;

Fig. 2 is a schematic perspective view of the bench type dental irrigator of the present utility model;

fig. 3 is a schematic diagram of the construction of the present novel gear assembly.

In the figure: 1. a handle housing; 2. a nozzle assembly; 3. a pipeline control structure; 4. a handle support; 11. a handle upper case; 111. a handle push button; 12. a handle lower case; 21. a nozzle holder; 22. the nozzle is buckled; 23. a nozzle; 31. a first elastic member; 32. a handle infusion pipeline; 33. a gear assembly; 331. a handle switch plug; 332. a second elastic member; 333. a gear portion; 334. a columnar portion; 4. a handle support; 51. and a clasp.

Detailed Description

In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "fixedly connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be directly connected or indirectly connected through an intermediary unless explicitly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

A dental irrigator is an oral care device that cleans teeth using pulsed water flow impingement, both hand-held and bench-top. The working principle of the two devices is similar, and the motor is used for driving the piston to reciprocate in the handle infusion pipeline at high speed so as to realize water absorption and water spraying, thereby forming pulse water flow. However, the existing tooth flusher has the problems of poor shock absorption, poor sealing performance, inflexible control and the like, and the defects of water leakage, large vibration, inconvenient use and the like are easy to occur, so that the product performance and the user experience are seriously affected.

Aiming at the existing problems, the utility model provides an improved handle of the tooth-rinsing device and a desk-type tooth-rinsing device. The handle of the tooth-flushing device comprises a handle shell, a nozzle assembly, a pipeline control structure, a piston assembly, a gear assembly and a handle push button. Wherein, a damping spring is arranged between the handle infusion pipeline and the shell to realize floating connection; the top of the handle infusion pipeline is also sealed with the nozzle assembly by a spring, so that shock resistance and sealing performance are improved. The handle push button adopts a clamp matching structure, and drives the gear and the piston to move by pressing the button, so that convenient control is realized. The adjusting gear is also arranged, so that the water quantity can be continuously adjusted.

The handle of the tooth washing device is reasonable in structure, has certain damping performance and high sealing performance, is smooth to control and adjust, improves the product performance and service life, and improves the user experience. This solution has significant advantages and advances over the prior art. The desk type tooth cleaning device adopts the optimized handle, can effectively solve the problems of the existing products, and improves the technical level of oral cavity cleaning equipment.

The present utility model will be further described and illustrated with reference to specific embodiments and drawings.

As shown in fig. 1 to 3, the present embodiment provides a handle for a dental irrigator, in which a handle housing 1 adopts a two-housing structure to achieve convenience in assembly and maintenance. Comprises a handle upper shell 11 and a handle lower shell 12 which are detachably connected in a threaded snap fit mode. The buckle connection mode is easy and convenient to operate, and convenient to disassemble and maintain. The assembled handle shell 1 internally forms a mounting cavity, the shape and the size of the mounting cavity are matched with those of the pipeline control structure 3, and a limiting groove is arranged in the mounting cavity and used for mounting and fixing the pipeline control structure 3. The shape and the size of the top opening of the handle shell 1 are matched with the bottom end of the nozzle assembly 2, and the detachable connection of the nozzle assembly 2 is realized by adopting a threaded buckle or snap fastener structure.

The top of the pipeline control structure 3 is provided with a nozzle fixing piece for fixedly mounting the nozzle assembly 2, the nozzle fixing piece comprises a nozzle seat 21 and a nozzle buckle 22 which is installed on the nozzle seat 21 in a buckling manner, a nozzle liquid outlet is formed in the top of the pipeline control structure 3, the nozzle seat 21 is installed at the nozzle liquid outlet in a plugging manner, and the nozzle seat 21 is fixed to the top of the pipeline control structure 3 through the nozzle buckle 22. The top opening of the nozzle seat 21 is matched with the installation of the nozzle assembly 2, the nozzle buckle 22 is also used for fixing the connection between the nozzle seat 21 and the nozzle assembly 2, the bottom end buckle is matched with the inner cavity of the nozzle seat 21, the nozzle assembly 2 mainly comprises a nozzle 23 and a decoration lantern ring, and the decoration lantern ring is sleeved on the periphery of the nozzle 23 to realize attractive decoration.

In operation, liquid is sprayed from the nozzle 23 to form a column of water, which effects a flushing action.

The pipeline control structure 3 is fixedly arranged in the installation cavity of the handle shell 1. The top end of the pipeline control structure 3 forms a nozzle liquid outlet which is accurately butted with the top opening of the handle shell 1 and is used for transferring liquid.

To obtain a damping effect, the side of the pipe control structure 3 is connected to the handle lower case 12 of the handle housing 1 through the first elastic member 31 in the present embodiment. The first elastic component 31 adopts structures such as a pressure spring or rubber, a spring and the like, so that the pipeline control structure 3 has a certain floating space, impact and vibration can be counteracted, and direct conduction to the handle shell 1 is avoided, and the use is influenced. In other embodiments, one side of the pipe control structure 3 may be elastically connected with the nozzle buckle 22 through the first elastic component 31, where the nozzle buckle 22 is fixed in the installation cavity of the handle housing 1, and similarly, the first elastic component 31 adopts a compression spring or rubber, and a spring structure to achieve the damping effect of the handle.

The pipeline control structure 3 comprises a handle infusion pipeline 32, and a switch transmission device 4 is arranged in the handle infusion pipeline 32 and used for controlling the opening and closing of the pipeline of the handle infusion pipeline 32. The body of the handle infusion tube 32 extends along a length and has an internal passageway for delivering liquid, the internal passageway being of a suitable diameter and shape in the length direction to ensure efficient delivery of liquid. The transmission 4 mainly comprises a gear assembly 33 and a handle switch plug 331. The gear assembly 33 includes an integrally formed gear portion 333 and a column portion 334, the handle switch plug 331 is disposed in the column portion 334, and a second elastic member 332 is fixedly connected to the bottom of the handle switch plug 331, where the second elastic member 332 is made of a material such as a spring, a compression spring or rubber. The column portion 334 moves the handle switch plug 331. The handle switch plug 331 is connected with the handle infusion pipeline 32 through the second elastic component 332, and the second elastic component 332 achieves a better pushing effect of the handle push button 111.

In operation, the gear 333 rotates to drive the handle switch plug 331 to rotate, and controls the opening and closing of the handle infusion tube 32, thereby controlling the flow of liquid.

The handle push button 111 is provided at the top surface of the handle upper case 11 and is engaged with the gear part 333. The bottom of the handle push button 5 is fixedly connected with the gear part 333; the push button 5 is internally provided with an adjusting switch and an adjusting rack, and the adjusting rack is driven to move through the adjusting switch. The end surface of the adjustment rack engages with the gear portion 333. In order to achieve finer control, in this embodiment, the gear portion 333 is designed as a half-tooth gear, so that fine adjustment is performed in an interlocking area between the gear portion 333 and the adjusting rack, and further control of hydraulic strength is achieved.

By pushing the handle push button 5, the adjusting switch and the rack are driven to move, and the pushing gear part 333 rotates, so that the pipeline control structure 3 is pushed to realize opening and closing movement, and the flushing of the tooth flusher is controlled.

The handle water pipe is connected with the tooth-flushing device body and provides liquid for the handle. The handle water pipe end is fixed at the bottom opening of the handle lower shell 12 through a clamping ring 51, so that the quick disassembly and maintenance of the handle water pipe are realized.

A silica gel sealing ring is arranged between the handle infusion pipeline 32 and the nozzle seat 21, so that the sealing performance of the product is improved, and the influence of liquid leakage on the service life is prevented. A silicone seal ring is provided at the junction of the gear 333 and the handle knob 111 to prevent liquid leakage.

Then, regarding the embodiment of the bench-type dental irrigator:

The desk type tooth-flushing device comprises a tooth-flushing device body and the tooth-flushing device handle. The tooth-flushing device is characterized in that a motor is arranged in the tooth-flushing device body and used for providing a power source, and a water tank is also arranged in the tooth-flushing device body and used for storing clean water. The bottom of the water tank is connected with a handle water pipe to complete the function of sucking the liquid in the water tank.

The side of the shell of the tooth-flushing device body is provided with a handle bracket 4, and the shape and the size of the handle bracket 4 are matched with the shape of the tooth-flushing device handle. The handle of the tooth-washing device can be inserted into the bracket to realize fixation and storage.

When the tooth-washing device is used, the handle of the tooth-washing device is taken out from the handle bracket 4, is held or placed on a plane, the power supply of the tooth-washing device is started, the handle button is pressed, and the handle starts to work. After the power is turned off, the handle of the tooth-washing device can be put back to the handle bracket 4.

The above description of the handle and the bench type tooth cleaning device provided by the utility model applies specific examples to illustrate the principle and the implementation of the utility model, and the above examples are only used for helping to understand the core idea of the utility model; also, as will be apparent to those skilled in the art in light of the present teachings, the present disclosure should not be limited to the specific embodiments and applications described herein.

Claims (10)

1. The utility model provides a tooth-rinsing device handle, its characterized in that includes handle casing and the nozzle assembly who is connected with it can be dismantled, the inside installation cavity that has of handle casing, the handle casing top has the open-top that cooperates nozzle assembly to install, handle casing bottom has the bottom opening, the inside of installation cavity is provided with pipeline control structure, pipeline control structure's top be equipped with the nozzle outlet that the open-top corresponds, pipeline control structure's top still is equipped with and is used for installing nozzle assembly's nozzle mounting, one side of pipeline control structure is provided with first elastomeric element and through first elastomeric element with handle casing or nozzle mounting elastic connection, pipeline control structure includes handle infusion pipeline and locates the switch transmission that is used for controlling the pipeline to open and shut in the handle infusion pipeline, be provided with on the handle casing with the handle push button that switch transmission is connected.

2. The handle of claim 1, wherein the switch gear comprises a gear assembly, the gear assembly comprises an integrally formed gear portion and a columnar portion, a handle switch plug is arranged in the columnar portion, a second elastic component is fixedly connected to the handle switch plug, and the second elastic component is elastically connected with the handle infusion pipeline.

3. The handle of claim 2, wherein the handle push button is provided with an adjusting switch and an adjusting rack which is arranged on the adjusting switch and is meshed with the gear part.

4. The handle of claim 1, wherein the handle housing comprises a handle upper shell and a handle lower shell detachably connected thereto, and the handle push button is fixedly arranged on the handle lower shell.

5. The handle of claim 1, wherein the nozzle mount comprises a nozzle mount disposed on top of the conduit control structure and a nozzle clip connected to the nozzle clip, the nozzle assembly being removably connected to the nozzle mount.

6. The handle of claim 5, wherein the nozzle assembly comprises a nozzle and a nozzle trim disposed outside the nozzle.

7. The handle of claim 6, wherein a first silicone ring is disposed between the nozzle mount and the tubing control structure.

8. The handle of claim 2, wherein a second silicone ring is disposed between the gear assembly and the handle push button.

9. A desk type tooth-rinsing device, which is characterized by comprising a tooth-rinsing device body, the tooth-rinsing device handle of any one of claims 1-8 and a handle water pipe connected with the bottom opening of the tooth-rinsing device handle, wherein one end of the handle water pipe is provided with a clamping ring, and the clamping ring is fixedly arranged in the tooth-rinsing device handle.

10. The bench top dental appliance of claim 9, wherein the appliance body outer sidewall is provided with a handle bracket for securing the appliance handle.