CN215080049U

CN215080049U - Tooth cleaner

Info

Publication number: CN215080049U
Application number: CN202121098619.2U
Authority: CN
Inventors: 蒋清馨
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-12-10
Anticipated expiration: 2031-05-21

Abstract

The utility model relates to a tooth cleaner, including the main part and carry a plurality of cleaning bodies on the main part surface, the main part is elastic hollow structure, and the cavity of main part is used for the clean material of splendid attire, and the main part surface is provided with the recess, has seted up in the recess/recess and the extending direction of recess and has extruded the hole, and cleaning body extends towards this regional top from being provided with the regional both sides of extruding the hole. This scaler accessible recess setting is on tooth, and the scaler is difficult to break away from the tooth, and the extrusion hole of seting up in the extension direction of recess/recess and recess extrudees the cleaning material to the oral cavity, and the user accessible is repeatedly chewed the action and is realized the cleanness to the tooth. And the tooth cleaner has simple structure, low manufacturing cost, convenient carrying and easy marketization.

Description

Tooth cleaner

Technical Field

The utility model relates to the field of tooth cleaning, in particular to a tooth cleaner.

Background

Oral health is an important component of general health and is an important factor in maintaining and improving quality of life. Modern studies have shown that dental diseases can cause or aggravate systemic diseases such as coronary heart disease, diabetes, etc. Therefore, the oral health not only enables people to chew fully and enjoy delicious dishes, but also provides sufficient nutrition for human body; the oral health not only makes the population refreshing, expresses the own will as much as possible, and freely communicates with people; can also avoid and reduce virus infection and diseases such as coronary heart disease, diabetes, gastropathy, newborn low weight, etc. Therefore, the oral health makes people live healthier, more pleasant and longer in life.

The oral cavity disease is prevented, the oral cavity health is good, and the tooth health care is important. Along with the continuous improvement of living standard of people, the health care importance degree of people to teeth is gradually improved, and various dental clinics and oral hospitals are more endlessly available in the market.

In daily oral health care, tooth brushing and mouth rinsing are the most common health care methods, tooth brushing needs to use a toothbrush, toothpaste, a tooth cup and water, mouth rinsing needs mouth rinsing water, and therefore, under the condition that a vehicle is used or the vehicle is in the process of carrying the tooth brushing or mouth rinsing tool completely, the cleaning of the oral cavity is difficult to realize.

The existing chewing gum is convenient to carry and use. The chewing gum can be used for cleaning large-volume food residues left in the oral cavity, but the chewing gum has poor cleaning effect, is difficult to clean soft dirt on the surfaces of teeth, and can only play a role in refreshing breath in daily use.

To overcome these inconveniences, many solutions have been proposed from the technical solutions in order to make it possible to keep the teeth healthy even when going out.

Wherein, it provides a tooth cleaning device based on elastic ball, the application date is 2013.12.13, patent number is 201320821214.6, the device comprises a suction end, an elastic ball and a holding device of sundries, the suction end is connected with the inlet of the elastic ball, the connection is sealed, the elastic ball is a hollow ball, the outer spherical surface is made of elastic and flexible material, the holding device is made of rigid material and can clamp the suction nozzle, the inlet of the suction end contacted with the teeth is provided with the suction nozzle, and the suction nozzle is made of elastic and flexible material. The device discloses a method for cleaning teeth by sucking impurities in the teeth into the tooth cleaning device. However, in practice, this device not only cleans the large volume of food residue in the mouth, but also aligns the suction end with the position of the food residue to be sucked, which is inconvenient.

Therefore, it is desirable to provide a mouth cleaning device which is suitable for outdoor use, is convenient to carry, and has good cleaning effect.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a dental scaler to solve the problem of difficulty in cleaning teeth while going out.

To achieve the above objects, the inventor provides a dental scaler comprising a main body and a plurality of cleaning bodies carried on a surface of the main body,

the main part is elastic hollow structure, and the cavity of main part is used for the splendid attire clean material, and the main part surface is provided with the recess, has seted up in the recess/in the extending direction of recess and has extruded the hole, and the cleaning body extends towards this regional top from being provided with the regional both sides of extruding the hole.

Furthermore, the number of the grooves is two, and the grooves are symmetrically arranged on two sides of the main body.

Further, the groove is of a groove-shaped structure which is closed end to end and surrounds the surface of the main body.

Further, the main body is of a capsule-like structure, a rugby-like structure or an ellipsoid-like structure.

Further, the groove is arranged on the main body in the center and is of a groove-shaped structure which is closed end to end along the length direction of the main body.

Furthermore, the number of the grooves is two, the grooves are arranged on the central plane of the main body and are arranged along the length direction of the main body, and the grooves are symmetrically arranged on two sides of the main body.

Further, the body is spherical, cylindrical, rectangular parallelepiped or polygonal.

Further, the cleaning body is bristles uniformly arranged on the outer side of the main body, and is made of silica gel, rubber, latex, sponge, gauze, PP (polypropylene), PBT (poly (tetramethylene terephthalate)), PA (nylon), or PET (polyester resin).

Further, the surface of the main body is provided with a concave part for matching with the tongue of a person.

Further, the main body is made of silicone, latex or rubber material.

Different from the prior art, the technical scheme has the following advantages: this scaler accessible recess setting is on tooth, and the scaler is difficult to break away from the tooth, and the extrusion hole of seting up in the extension direction of recess/recess and recess extrudees the cleaning material to the oral cavity, and the user accessible is repeatedly chewed the action and is realized the cleanness to the tooth. And the tooth cleaner has simple structure, low manufacturing cost, convenient carrying and easy marketization.

Drawings

FIG. 1 is a schematic view of a groove formed in a main body of the present embodiment;

FIG. 2 is a schematic view of the main body of the present embodiment with symmetrically disposed grooves;

FIG. 3 is a schematic view of the main body of the present embodiment with end-to-end grooves;

FIG. 4 is a perspective view of the capsule-shaped main body according to the present embodiment;

FIG. 5 is a perspective view of the main body of the present embodiment in a spherical configuration;

FIG. 6 is a schematic view showing the tooth cleaner of this embodiment with symmetrically disposed grooves;

FIG. 7 is a schematic view showing the tooth cleaner of this embodiment with grooves formed therein in an end-to-end relationship;

FIG. 8 is a perspective view of the dental scaler of this embodiment;

FIG. 9 is a top view of the dental scaler of this embodiment;

FIG. 10 is a left side view of the dental scaler of this embodiment;

FIG. 11 is a left side view of the dental scaler of this embodiment;

fig. 12 is a perspective view of the subject of the dental scaler of this embodiment in a spherical configuration;

fig. 13 is a schematic structural view of the dental scaler according to this embodiment having a concave portion.

Description of reference numerals:

1. a main body;

11. an extrusion orifice;

12. a cavity wall of the body;

13. a groove;

14. a recessed portion;

2. a cleaning body;

3. the material is cleaned.

Detailed Description

To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

Referring to fig. 1 to 3, the present embodiment provides a dental scaler, which includes a main body 1 and a plurality of cleaning bodies 2 carried on the surface of the main body. The main body is an elastic hollow structure, a cavity is formed inside the main body, and the cavity is used for containing the cleaning material 3. The elastic main body deforms when stressed, and the original shape is recovered after the stress is removed. The main body is provided with an extrusion hole 11 which penetrates through the cavity wall 12 of the main body. The main body can be deformed when being chewed by a user and can restore to the shape by itself. Put into the oral cavity with the scaler, the user cleans the tooth through chewing the scaler, when chewing the main part, the main part receives the oppression and takes place the deformation, and the clean material in the cavity is evenly extruded through extruding the hole, and when the main part did not receive the oppression, the main part resumes former shape, and the material that binds in the cavity stops to extrude from extruding the hole. The user repeats the chewing action, the cleaning material in the cavity repeats the actions of extruding, stopping extruding and extruding, and in the chewing process, the user lifts the tooth cleaner by the tongue to move in the cavity, the cleaning material is uniformly arranged on the teeth and is matched with the cleaning body to clean the teeth.

The main part surface is provided with recess 13, and the recess is striden and is established on the dental crown of tooth, and the scaler passes through the recess and can move in the oral cavity along the tooth, all has the chance of contact with all teeth in the oral cavity, and prevents that the scaler from landing from the tooth, improves user experience and feels for clean tooth efficiency.

With reference to figures 4 to 10 of the drawings,

in one embodiment of the present invention,

an extrusion hole is formed in the groove, when the tooth cleaner is stressed and deformed, the cleaning material in the main body is extruded from the extrusion hole and is extruded onto the dental crown, and in the chewing process, the cleaning material flows to the inner surface and the outer surface of the tooth along the dental crown of the tooth, so that the utilization rate of the cleaning material is improved.

The cleaning body extends from two sides of the area provided with the extrusion holes to the upper part of the area, namely, the fixed end of the cleaning body is connected to the surface of the main body, and the cleaning end of the cleaning body is arranged above the area provided with the extrusion holes. The cleaning ends of the cleaning bodies on both sides of the area provided with the extrusion holes are crossed or a gap exists between the cleaning ends.

When the cleaning ends of the cleaning bodies on the two sides of the area of the extrusion hole are crossed, a user bites the cleaning bodies forcibly towards the groove when using the cleaning device, and the cleaning ends of the cleaning bodies are naturally separated from the inner tooth surface and the outer tooth surface.

When there is the clearance between the clean end of the regional both sides clean body of extruding the hole, in the clearance between the user's tooth direct embedding clean end when using, dental crown contact groove position, clean body's clean end and inside and outside flank of tooth homogeneous phase contact, when clean incisor is regional, clean body's clean end and the pressure between the inside and outside flank of tooth are less, when clean canine, premolar, molar and wisdom tooth, clean body's clean end and the pressure between the inside and outside flank of tooth grow gradually.

The cleaning material extruded on the dental crown is chewed by the user, and the cleaning body brushes on the surface of the tooth continuously, so that the tooth cleaning purpose is realized. In this embodiment, in order to allow the cleaning material to be spread over the entire tooth surface of the oral cavity, the user puts the scaler on one side of the oral cavity to chew, the cleaning material is pressed onto the crown of the tooth that the scaler is contacted on that side, the user chews on the other side of the oral cavity by putting the scaler on the tongue, the cleaning material is pressed onto the crown of the tooth that the scaler is contacted on that side, and the user may also chew the scaler on the central incisor area, the cleaning material being pressed onto the crown of the incisor area. Then the user uses the tooth cleaner to carry out all-round chewing in the whole oral cavity, and the cleaning body continuously rubs and cleans the tooth surface on the teeth, thereby realizing the cleaning of the whole oral cavity. After the user chews the dental scaler on the same side for a plurality of times and cleans the teeth on the side, the extruded cleaning material or generated foam is carried to other areas of the oral cavity after the tongue moves the dental scaler to other areas of the oral cavity.

The structural design of the cleaning body corresponds to the oral cavity use habit of people, the frequency of chewing food on incisors is lower, the frequency of chewing food on canines, premolars and molars is higher, the probability of keeping food residue on canines, premolars and molars is greater, the position of wisdom tooth is located the depths of oral cavity, deposits food residue more easily. Pressure between the cleaning body and the incisor is less on incisor, and pressure on canine teeth, preceding molar, molar and wisdom tooth is bigger, can reach better clean tooth effect, and the clean end clearance setting or the alternately setting of this scaler cleaning body all can realize above-mentioned technological effect betterly.

In one embodiment of the present invention,

the extrusion holes are formed in the extension directions of the grooves and the grooves, when the tooth cleaner deforms under stress, the cleaning materials in the main body are extruded from the extrusion holes, the cleaning materials are extruded to the dental crowns in contact with the tooth cleaner and the dental crowns near the tooth cleaner, and in the chewing process, the cleaning materials flow to the inner surface and the outer surface of the tooth along the dental crowns of the tooth, so that the utilization rate of the cleaning materials is improved.

The cleaning material extruded out of the dental crown contacted by the scaler and the dental crown near the scaler is chewed by the user, and the cleaning body brushes on the surface of the dental tooth continuously, so that the aim of cleaning the dental tooth is fulfilled. In this embodiment, in order to allow the cleaning material to be spread over the entire tooth surface of the oral cavity, the user puts the sealer on the teeth on one side of the oral cavity and chews it, the cleaning material is pressed onto the crown of the tooth contacted by the sealer on that side and the crown of the tooth near the sealer, the user puts the sealer on the teeth on the other side of the oral cavity and chews it by the tongue, the cleaning material is pressed onto the crown of the tooth contacted by the sealer on that side and the crown of the tooth near the sealer, and the user may also put the sealer on the central incisor region and chews it, the cleaning material being pressed onto the crown of the incisor region. Then the user uses the tooth cleaner to carry out all-round chewing in the whole oral cavity, and the cleaning body continuously rubs and cleans the tooth surface on the teeth, thereby realizing the cleaning of the whole oral cavity. After the user chews the dental scaler on the same side for a plurality of times and cleans the teeth on the side, the extruded cleaning material or generated foam is carried to other areas of the oral cavity after the tongue moves the dental scaler to other areas of the oral cavity.

The width value of the groove ranges from 0.3CM to 0.8 CM.

In a preferred embodiment, the number of the grooves is two, and the grooves are symmetrically arranged on two sides of the main body. The two grooves are used for corresponding to the upper and lower teeth respectively, so that the two grooves are arranged on two sides of the main body opposite to the central axis in order to avoid uneven stress of the dental scaler when a user chews the dental scaler, and the volumes of the main body parts on the inner side and the outer side of the teeth are equal when the dental scaler is chewed. The cleaning bodies on the two sides of the upper groove clean the inner tooth surface and the outer tooth surface of the upper row of teeth, the cleaning bodies on the two sides of the lower groove clean the inner tooth surface and the outer tooth surface of the lower row of teeth, the cleaning bodies on the two sides of the upper groove and the lower groove can be respectively clamped on the upper row of teeth and the lower row of teeth, the tongue pushes the tooth cleaner to move horizontally along the direction of the teeth to clean the oral cavity, and the tooth cleaner is prevented from sliding in the oral cavity and affecting the cleaning effect.

When the tooth cleaner is used, the tooth cleaner is placed in an oral cavity, the two grooves of the tooth cleaner are arranged corresponding to the directions of the upper and lower rows of teeth by utilizing the matching of the tongue and the teeth, the tooth cleaner is occluded with the oral cavity, and the cleaning ends of the upper and lower rows of cleaning bodies are naturally separated from the tooth surfaces of the inner and outer teeth. The oral cavity is occluded, the cleaning material in the main body is extruded on the tooth crown contacted with the tooth cleaner, the cleaning body continuously brushes on the surface of the teeth along with the continuous chewing of a user, and the position of the tooth cleaner can be continuously changed through the matching of the tongue and the teeth in the chewing process, so that the tooth cleaning purpose is realized. When the radian of chewing is large, the upward cleaning body of the tooth cleaner can be separated from the teeth, or the downward cleaning body can be separated from the teeth, but when the next chewing action is carried out, the upper row and the lower row of cleaning bodies of the tooth cleaner can still be clamped on the inner tooth surface and the outer tooth surface of the upper row and the lower row of teeth. The clearance between the cleaning ends of the cleaning bodies on the two sides of the groove is small, and the condition that the upper row and the lower row of the cleaning bodies of the tooth cleaner are separated from the teeth can not occur in the chewing process. Even if the gap between the cleaning ends of the cleaning bodies at both sides of the groove is large, the user's tongue is engaged with the teeth to easily reposition the dental scaler, which is separated from the teeth, on the teeth.

In this embodiment, in order to allow the cleaning material to be spread over the entire tooth surface of the oral cavity, the user puts the scaler on the teeth on one side of the oral cavity and chews it, the cleaning material is pressed to/on the crown of the tooth contacted by the scaler on that side and the crown of the tooth near the scaler, the user chews it on the teeth on the other side of the oral cavity by putting the tongue scaler thereon, the cleaning material is pressed to/on the crown of the tooth contacted by the scaler on that side and the crown of the tooth near the scaler, the user may also chew the scaler on the central incisor area, and the cleaning material is pressed on the crown of the incisor area. Then the user uses the tooth cleaner to carry out all-round chewing in the whole oral cavity, and the cleaning body continuously rubs and cleans the tooth surface on the teeth, thereby realizing the cleaning of the whole oral cavity. After the user chews the dental scaler on the same side for a plurality of times and cleans the teeth on the side, the extruded cleaning material or generated foam is carried to other areas of the oral cavity after the tongue moves the dental scaler to other areas of the oral cavity.

In a preferred embodiment, the groove is a groove-like structure closed end to end and surrounding the surface of the body. When in use, the groove is arranged on the main body in a larger area, so that the use is more flexible. The cleaning body of recess can press from both sides respectively on upper and lower row tooth, and the tongue promotes the scaler and carries out the oral cavity along tooth direction translation or rotation and clean, prevents that the scaler from sliding in the oral cavity and sliding, influences the cleaning performance.

When the tooth cleaner is used, the tooth cleaner is put into an oral cavity, the grooves of the tooth cleaner are arranged corresponding to the directions of the upper row of teeth and the lower row of teeth by utilizing the matching of the tongue and the teeth, the teeth are occluded in the oral cavity, and the cleaning ends of the upper row of cleaning bodies and the lower row of cleaning bodies are naturally separated from the surfaces of the inner teeth and the outer teeth. The oral cavity is occluded, the cleaning material in the main body is extruded on the tooth crown contacted with the tooth cleaner, the cleaning body continuously brushes on the surface of the teeth along with the continuous chewing of a user, and the position of the tooth cleaner can be continuously changed through the matching of the tongue and the teeth in the chewing process, so that the tooth cleaning purpose is realized. When the radian of chewing is large, the upward cleaning body of the tooth cleaner can be separated from the teeth, or the downward cleaning body can be separated from the teeth, but when the next chewing action is performed, the cleaning body of the tooth cleaner can still be clamped on the inner and outer tooth surfaces of the upper and lower rows of teeth. The clearance between the cleaning ends of the cleaning bodies on the two sides of the groove is small, and the condition that the tooth cleaner is completely separated from the teeth can not occur in the chewing process. Even if the gap between the cleaning ends of the cleaning bodies at both sides of the groove is large, the user's tongue is engaged with the teeth to easily reposition the dental scaler, which is separated from the teeth, on the teeth.

The main body is in a long and narrow shape such as a capsule-shaped structure, a rugby-shaped structure or an ellipsoid-shaped structure.

Preferably, the length dimension of the long side of the body is 1-2CM, and the width dimension of the short side of the body is 0.5-1 CM.

In a preferred embodiment, the main body is in the form of an elongated capsule, rugby or ellipsoid, and the groove is centrally located in the main body and is in the form of a slot that is closed end to end along the length of the main body. When the tooth cleaner is placed in the oral cavity for use, the length direction of the main body is placed on the tooth surface of teeth, namely the two grooves respectively face the direction of the upper row of teeth and the lower row of teeth so as to obtain a larger cleaning surface, the short side direction of the main body is positioned between the upper row of teeth and the lower row of teeth, and the teeth can be cleaned without great chewing action. The extrusion holes formed in the grooves can simultaneously extrude the cleaning materials to the dental crowns and between the two rows of teeth, so that the speed of extruding the cleaning materials by the main body is improved.

In a preferred embodiment, the main body is in a long and narrow shape such as a capsule-shaped structure, a rugby-shaped structure or an ellipsoid-shaped structure, the number of the grooves is two, and the grooves are arranged along the length direction of the main body and symmetrically arranged on two sides of the main body. When the tooth cleaner is placed in the oral cavity for use, the length direction of the main body is placed on the tooth surface of teeth, namely the two grooves respectively face the direction of the upper row of teeth and the lower row of teeth so as to obtain a larger cleaning surface, the short side direction of the main body is positioned between the upper row of teeth and the lower row of teeth, and the teeth can be cleaned without great chewing action.

In other embodiments, the shape of the body may also be spherical (refer to fig. 11), cylindrical, rectangular parallelepiped, or polygonal. The body is sized for oral chewing.

The cleaning body is bristles uniformly arranged on the outer side of the main body and is made of materials such as silica gel, rubber, latex, sponge, gauze, PP (polypropylene), PBT (poly (tetramethylene terephthalate), PA (nylon) or PET (polyester resin) and the like. When PP (polypropylene), PBT (poly (tetramethylene terephthalate), PA (nylon) or PET (polyester resin) is made into a cleaning body, the materials can be made into hard bristles, or soft bristles or a bristle structure with the soft and hard bristles alternately arranged; when the cleaning body is made of sponge or gauze, the sponge or gauze can be fixed on the basic bristles after the basic bristles are made of PP (polypropylene), PBT (poly (tetramethylene terephthalate), PA (nylon) or PET (polyester resin) because the sponge and the gauze are soft, and the specific fixing mode comprises winding, sewing and the like.

Referring to fig. 12, in certain preferred embodiments, the surface of the body is provided with a depression 14 for engaging a human tongue. The concave part is in a conical structure. When the user uses the toothbrush, the tongue tip is propped against the concave part, the main body can be driven to move in the oral cavity, and the cleaning position of the main body is changed.

When the main body is in a long and narrow shape such as a capsule-shaped structure, a rugby-shaped structure or an ellipsoid-shaped structure, two concave parts can be arranged on the surface of the main body and symmetrically arranged on two sides of the main body. The arbitrary side of scaler is inside towards the oral cavity, and the user can both support to remove the scaler in the depressed part through the tongue, cleans the tooth in the oral cavity.

In a more preferred embodiment, anti-slip particles are disposed in the recess, and the material of the anti-slip particles may be the same as that of the main body.

In other embodiments, the recess may be a structure extending through the body, and the body may be a ring-shaped structure.

In certain preferred embodiments, the dental scaler further comprises a vibration element fixed within the cavity of the body. The switch of the vibration element is provided on the side wall of the main body, and the tooth cleaning efficiency of the tooth cleaner can be accelerated by the vibration effect of the vibration element by biting the vibration element when a user uses it, or activating the vibration element before use.

The main body is made of silica gel, latex or rubber material.

The cleaning material is either paste-like or liquid. The film is arranged at the extrusion hole and is made of soft and breakable materials such as PE (polyethylene), PVC (polyvinyl chloride) and PVDC (polyvinylidene chloride).

The cleaning material may specifically be: toothpaste, mouthwash, oral antibacterial gel, etc. can be combined with the materials for cleaning teeth.

The main body, the cleaning body and the cleaning material of the tooth cleaner are all made of nontoxic materials.

Preferably, in order to improve the user experience, a sweetener may be added to the cleaning material, or a sweet coating may be coated on the surface of the body.

It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the scope of the present invention.

Claims

1. A tooth cleaner comprises a main body and a plurality of cleaning bodies carried on the surface of the main body,

the method is characterized in that: the main part is elastic hollow structure, and the cavity of main part is used for the splendid attire clean material, and the main part surface is provided with the recess, has seted up in the recess/in the extending direction of recess and has extruded the hole, and the cleaning body extends towards this regional top from being provided with the regional both sides of extruding the hole.

2. The dental scaler according to claim 1, wherein: the number of the grooves is two, and the grooves are symmetrically arranged on two sides of the main body.

3. The dental scaler according to claim 1, wherein: the groove is of a groove-shaped structure which is closed end to end and surrounds the surface of the main body.

4. The dental scaler according to claim 1, wherein: the main body is of a capsule-shaped structure, a rugby-shaped structure or an ellipsoid-shaped structure.

5. The dental scaler according to claim 4, wherein: the groove is arranged on the main body in the middle and is of a groove-shaped structure which is closed end to end along the length direction of the main body.

6. The dental scaler according to claim 4, wherein: the number of the grooves is two, the grooves are arranged on the central plane of the main body, the grooves are arranged along the length direction of the main body and symmetrically arranged on two sides of the main body.

7. The dental scaler according to claim 1, wherein: the main body is spherical, cylindrical, cuboid or polygonal.

8. The dental scaler according to claim 1, wherein: the cleaning body is bristles uniformly arranged on the outer side of the main body and is made of silica gel, rubber, latex, sponge, gauze, PP, PBT, PA or PET.

9. The dental scaler according to claim 1, wherein: the surface of the main body is provided with a concave part which is used for matching with the tongue of a person.

10. The dental scaler according to claim 1, wherein: the vibration device further comprises a vibration element, and the vibration element is fixed in the cavity of the main body.