Handheld tooth beautifying instrument

Abstract

The utility model relates to the technical field of tooth beautifying instruments, and particularly discloses a handheld tooth beautifying instrument which comprises a tooth beautifying instrument body, the lower end face of the tooth beautifying instrument body is fixedly connected with a handheld portion through a connecting portion, and a control button is installed in the middle of the front end face of the handheld portion. A sealing groove located on the outer side of the control button is formed in the front end face of the handheld part, a protective cover abuts against the front end face of the handheld part, a sealing cylinder matched with the control button is arranged in the middle of the side, close to the handheld part, of the protective cover, and a sealing ring located on the outer side of the sealing cylinder is fixedly connected to the rear end face of the protective cover. The sealing ring is matched with the sealing groove, so that the sealing cylinder covers the outer wall of the control button, and meanwhile, the sealing ring enters the sealing groove, so that the sealing performance of connection between the protective cover and the handheld part can be improved, the control button is sealed and protected, and the situation that the tooth beautifying instrument body cannot be normally used due to the fact that liquid is in contact with the control button and influences a circuit is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of teeth beautification instruments, in particular to a handheld teeth beautification instrument. Background Art

[0002] A teeth whitening device is a device that uses cold light irradiation. The cold light is emitted by the LED light inside the transparent braces, which promotes the oxidation of the whitening gel coated on the tooth surface and the transparent braces, achieving the effect of whitening the tooth staining layer and can quickly remove food pigments on the tooth surface.

[0003] When cleaning teeth with a whitening device, the user is generally required to pinch the two ends of the mouthpiece body with their hands, place the whitening device in the mouth, and press the control button on the handheld part to use the whitening device normally.

[0004] At present, when a teeth whitening device is used, liquid easily flows into the control button during cleaning or use, affecting the circuit contact and thus affecting the normal use of the teeth whitening device. Therefore, it is necessary to propose a handheld teeth whitening device to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide a handheld teeth whitening instrument, which has the characteristics of sealing and protecting the control button to prevent liquid from contacting the control button and affecting the circuit, so as to prevent the teeth whitening instrument body from being used normally.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a handheld teeth whitening instrument, comprising a teeth whitening instrument body, the lower end surface of the teeth whitening instrument body is fixedly connected to a handheld part through a connecting part, a control button is installed in the middle of the front end surface of the handheld part, a sealing groove located outside the control button is opened on the front end surface of the handheld part, a protective cover is abutted on the front end surface of the handheld part, a sealing cylinder matching the control button is opened in the middle of one side of the protective cover close to the handheld part, a sealing ring located outside the sealing cylinder is fixedly connected to the rear end surface of the protective cover, and the sealing ring matches the sealing groove;

[0007] A plurality of elastic components distributed in a ring shape are installed on a side opposite to the hand-held part and the protective cover.

[0008] In order to improve the protection and shielding of the control button, as a preferred handheld dental whitening instrument of the present invention, the elastic component includes a positioning cylinder fixedly connected to the front end face of the handheld part, and a positioning hole is provided inside the positioning cylinder. The elastic component also includes a circular hole provided on the rear end face of the protective cover, and a positioning rod is fixedly connected to the inside of the circular hole.

[0009] In order to shield the protective cover, as a preferred handheld dental whitening device of the present invention, the front end surface of the handheld part is fixedly connected to an extension tube.

[0010] In order to make the protective cover abut against the handheld part, as a preferred embodiment of the handheld dental beauty instrument of the present invention, the outer wall of the positioning rod is sleeved with a spring.

[0011] In order to increase the friction between the hand and the pull rod, as a preferred handheld teeth whitening device of the present invention, the front end surface of the protective cover is fixedly connected to the pull rod, and the outer wall of the pull rod is provided with anti-slip grooves.

[0012] In order to better shield the protective cover, as a preferred embodiment of the handheld teeth whitening device of the present invention, the length of the extension tube is greater than the thickness of the protective cover.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] The utility model firstly makes the sealing cylinder cover the outer wall of the control button, and at the same time the sealing ring enters the sealing groove, thereby increasing the sealing performance of the connection between the protective cover and the handheld part, thereby sealing and protecting the control button, preventing liquid from contacting the control button and affecting the circuit, resulting in the failure of the whitening tooth instrument body to be used normally. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the overall structure diagram of the utility model;

[0016] Figure 2 This is a three-dimensional structural diagram of the protective cover of the utility model;

[0017] Figure 3 It is the overall cross-sectional structural diagram of the utility model;

[0018] Figure 4 This is a rear view structural diagram of the protective cover of the utility model;

[0019] Figure 5 This is a side structural diagram of the elastic component of the utility model.

[0020] In the figure: 1. Teeth whitening instrument body; 101. Control button; 2. Hand-held part; 201. Extension tube; 202. Positioning tube; 203. Positioning hole; 204. Spring; 205. Sealing groove; 3. Protective cover; 301. Sealing tube; 302. Sealing ring; 303. Round hole; 304. Positioning rod; 305. Pull rod. DETAILED DESCRIPTION

[0021] See also Figures 1 to 5A handheld teeth whitening instrument comprises a teeth whitening instrument body 1, the lower end surface of the teeth whitening instrument body 1 is fixedly connected with a handheld part 2 through a connecting part, a control button 101 is installed in the middle of the front end surface of the handheld part 2, a sealing groove 205 located outside the control button 101 is opened on the front end surface of the handheld part 2, a protective cover 3 is abutted on the front end surface of the handheld part 2, a sealing cylinder 301 matching with the control button 101 is opened in the middle of one side of the protective cover 3 close to the handheld part 2, a sealing ring 302 located outside the sealing cylinder 301 is fixedly connected to the rear end surface of the protective cover 3, and the sealing ring 302 matches with the sealing groove 205;

[0022] A plurality of elastic components distributed in a ring shape are installed on the side opposite to the hand-held portion 2 and the protective cover 3 .

[0023] In this embodiment: the protective cover 3 is installed on the front end surface of the hand-held part 2 through an elastic component to block the control button 101, thereby protecting the control button 101 and preventing liquid from entering and affecting the normal use of the whitening device body 1. Secondly, when installing the protective cover 3, the sealing cylinder 301 covers the outer wall of the control button 101, and the sealing ring 302 enters the sealing groove 205, thereby increasing the sealing performance of the connection between the protective cover 3 and the hand-held part 2, thereby sealing and protecting the control button 101 and preventing liquid from contacting the control button 101 and affecting the circuit, resulting in the whitening device body 1 being unable to be used normally.

[0024] As a technical optimization solution of the utility model, the elastic component includes a positioning cylinder 202 fixedly connected to the front end face of the hand-held part 2, and a positioning hole 203 is opened inside the positioning cylinder 202. The elastic component also includes a circular hole 303 opened on the rear end face of the protective cover 3, and a positioning rod 304 is fixedly connected inside the circular hole 303.

[0025] In this embodiment: pull the protective cover 3 forward so that the circular hole 303 on the protective cover 3 slides on the outer wall of the positioning tube 202 until the protective cover 3 is separated from the hand-held part 2, thereby facilitating pressing the control button 101 to make the whitening device body 1 work, and the elastic component can further improve the protective shielding of the control button 101.

[0026] As a technical optimization solution of the present invention, an extension tube 201 is fixedly connected to the front end surface of the handheld part 2 .

[0027] In this embodiment, the protective cover 3 can be shielded by the extension tube 201 to prevent the liquid for cleaning the whitening device body 1 from contacting the control button 101 .

[0028] As a technical optimization solution of the present invention, the outer wall of the positioning rod 304 is sleeved with a spring 204 .

[0029] In this embodiment, the protective cover 3 can be brought into contact with the hand-held part 2 by the elastic force of the spring 204 .

[0030] As a technical optimization solution of the present invention, a pull rod 305 is fixedly connected to the front end surface of the protective cover 3, and an outer wall of the pull rod 305 is provided with anti-slip grooves.

[0031] In this embodiment, the pull rod 305 is used to pull the protective cover 3 to move, and the anti-slip pattern can increase the friction between the hand and the pull rod 305.

[0032] As a technical optimization solution of the present invention, the length of the extension tube 201 is greater than the thickness of the protective cover 3 .

[0033] In this embodiment, the length of the extension tube 201 is greater than the thickness of the protective cover 3 so that the extension tube 201 can better shield the protective cover 3 and prevent the liquid from contacting the control button 101 .

[0034] Working principle: First, the protective cover 3 is installed on the front end surface of the hand-held part 2 through the elastic component to cover the control button 101, thereby protecting the control button 101 and preventing liquid from entering and affecting the normal use of the whitening device body 1. Secondly, when installing the protective cover 3, the sealing cylinder 301 is covered on the outer wall of the control button 101, and the sealing ring 302 enters the sealing groove 205, thereby increasing the sealing performance of the connection between the protective cover 3 and the hand-held part 2, thereby sealing and protecting the control button 101 and preventing liquid from contacting the control button 101 and affecting the circuit, causing the whitening device body 1 to be unable to be used normally. When using the whitening device body 1, the pull rod 305 can be held to pull the protective cover 3 forward so that the circular hole 303 on the protective cover 3 slides on the outer wall of the positioning cylinder 202 until the protective cover 3 is separated from the hand-held part 2, thereby facilitating pressing the control button 101 to make the whitening device body 1 work.

[0035] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A handheld teeth whitening device, comprising a teeth whitening device body (1), characterized in that: The lower end surface of the whitening device body (1) is fixedly connected to a handheld part (2) via a connecting part, a control button (101) is installed in the middle of the front end surface of the handheld part (2), a sealing groove (205) located outside the control button (101) is provided on the front end surface of the handheld part (2), a protective cover (3) is abutted against the front end surface of the handheld part (2), a sealing cylinder (301) matching the control button (101) is provided in the middle of one side of the protective cover (3) close to the handheld part (2), and a sealing ring (302) located outside the sealing cylinder (301) is fixedly connected to the rear end surface of the protective cover (3), and the sealing ring (302) matches the sealing groove (205); A plurality of elastic components distributed in a ring shape are installed on the side opposite to the handheld portion (2) and the protective cover (3).

2. A handheld tooth whitening device according to claim 1, characterized in that: The elastic component comprises a positioning cylinder (202) fixedly connected to the front end surface of the handheld part (2), a positioning hole (203) being provided inside the positioning cylinder (202), and the elastic component further comprises a circular hole (303) provided on the rear end surface of the protective cover (3), a positioning rod (304) being fixedly connected inside the circular hole (303).

3. A handheld teeth whitening device according to claim 1, characterized in that: An extension tube (201) is fixedly connected to the front end surface of the handheld portion (2).

4. A handheld tooth whitening device according to claim 2, characterized in that: The outer wall of the positioning rod (304) is sleeved with a spring (204).

5. The handheld teeth whitening device according to claim 1, characterized in that: A pull rod (305) is fixedly connected to the front end surface of the protective cover (3), and an outer wall of the pull rod (305) is provided with anti-slip grooves.

6. The handheld teeth whitening device according to claim 3, characterized in that: The length of the extension tube (201) is greater than the thickness of the protective cover (3).

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