Screen protection structure and electric toothbrush

Abstract

The utility model relates to the technical field of electric toothbrushes, and discloses a screen protection structure and an electric toothbrush. The inner wall of one side of the handle cylinder in the thickness direction and at least part of the outer wall of the motor bracket are arranged at intervals; the screen body is arranged between the handle barrel and the motor bracket; and the protective sleeve is made of an elastic material, the protective sleeve is suitable for wrapping the screen body, one side, in the thickness direction of the protective sleeve, of the protective sleeve abuts against the peripheral wall of the outer side of the motor support, and the other side of the protective sleeve elastically abuts against the peripheral wall of the inner side of the handle cylinder. According to the screen protection structure provided by the utility model, the screen body can be prevented from being in rigid contact with other structures through the elastic interference compression between the protection sleeve and the inner side peripheral wall of the handle cylinder and the outer side peripheral wall of the motor bracket at the same time, so that the screen body is flexibly coated, protected and fixed, and meanwhile, the screen body is prevented from being damaged through the elastic effect of the protection sleeve. Therefore, impact force generated when the electric toothbrush falls is buffered, and the risk that the screen body bursts is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of electric toothbrushes, in particular to a screen protection structure and an electric toothbrush. Background Art

[0002] The screen of an existing electric toothbrush is mainly directly attached to a PCBA (Printed Circuit Board Assembly) or a bracket with double-sided tape, and there is a risk of the screen bursting when it falls. Utility Model Content

[0003] In view of this, the utility model provides a screen protection structure and an electric toothbrush to solve the problem that the screen of the existing electric toothbrush may explode when it falls.

[0004] In a first aspect, the utility model provides a screen protection structure, comprising:

[0005] Motor bracket;

[0006] The handle tube has an inner wall on one side along the thickness direction and at least a portion of the outer wall of the motor bracket spaced apart in the thickness direction;

[0007] The screen body is arranged between the handle tube and the motor bracket;

[0008] The protective cover is made of elastic material and is suitable for covering the screen body. One side of the protective cover along its own thickness direction abuts against the outer peripheral wall of the motor bracket, and the other side elastically abuts against the inner peripheral wall of the handle tube.

[0009] The screen protection structure provided by the utility model mainly includes a motor bracket, a handle tube and a protective cover. The protective cover is provided to cover and protect the screen body. The protective cover is made of elastic material. On the one hand, the elastic restoring force of the protective cover can be used to elastically interfere with the inner circumferential wall of the handle tube and the outer circumferential wall of the motor bracket to avoid rigid contact between the screen body and other structures, thereby achieving flexible covering, protection and fixation of the screen body. On the other hand, the elastic effect of the protective cover can buffer the impact force when the electric toothbrush falls and reduce the risk of the screen body bursting.

[0010] In an optional embodiment, the protective cover includes a bottom wall, and a first side wall and two second side walls extending from the edge of the bottom wall along its own thickness direction away from the bottom wall, the bottom wall is suitable for covering the back of the screen body, and the first side wall and the two second side walls are suitable for covering the peripheral edges of the screen body.

[0011] Through such an arrangement, the bottom wall of the protective cover is in contact with and elastically abuts against the back of the screen body, thereby flexibly covering and protecting the back of the screen body; the first side wall and the second side wall of the protective cover are in contact with and elastically abut against the peripheral edge of the screen body, thereby flexibly covering and protecting the peripheral edge of the screen body, thereby reducing the risk of the screen body bursting.

[0012] In an optional embodiment, the two second side walls are arranged relatively spaced apart along the width direction, and one side of the length direction of the two second side walls are integrally formed with the first side wall, and the other side is spaced apart along the width direction to form a notch, which is suitable for avoiding the connecting line of the screen body.

[0013] By such an arrangement, the connection wires of the screen body are avoided, thus preventing the connection wires from being damaged due to structural interference.

[0014] In an optional embodiment, a limiting flange is provided on one side of the first side wall and the second side wall away from the bottom wall in the thickness direction, and the limiting flange is suitable for limiting the screen body.

[0015] By such an arrangement, the screen body is limited in the thickness direction to prevent the screen body from being separated from the protective cover.

[0016] In an optional embodiment, an abutment boss is provided on a side of the limiting flange away from the bottom wall along the thickness direction, and the abutment boss is suitable for abutting against the inner peripheral wall of the handle tube.

[0017] By such arrangement, the abutting boss is elastically abutted against the inner peripheral wall of the handle tube during the assembly process, so that the inner peripheral wall of the handle tube and the protective sleeve are elastically pressed together to achieve flexible covering protection and fixation of the screen body.

[0018] In an optional embodiment, a backing adhesive is provided on one side of the protective cover along its own thickness direction close to the motor bracket, and the backing adhesive is suitable for bonding the protective cover to the motor bracket.

[0019] By such arrangement, the protective cover is bonded and fixed to the motor bracket by the adhesive, which can not only enhance the firmness of the connection between the protective cover and the motor bracket, but also facilitate the assembly of the protective cover and the motor bracket into the handle tube.

[0020] In an optional embodiment, a fixing surface is provided on the outer peripheral wall of the motor bracket, and the fixing surface is suitable for bonding with the protective cover by means of adhesive;

[0021] A first limiting boss and a second limiting boss are protruding from the fixing surface; the first limiting boss is arranged on both sides of the width direction of the protective cover, and the first limiting boss is suitable for limiting the protective cover in the width direction; the second limiting boss is arranged on both sides of the length direction of the protective cover, and the second limiting boss is suitable for limiting the protective cover in the length direction.

[0022] Through such an arrangement, a fixing surface is provided on the outer peripheral wall of the motor bracket to facilitate bonding and fixing with the backing adhesive, and a first limiting boss and a second limiting boss are provided to limit the position of the protective cover to avoid the protective cover from shifting between the motor bracket and the handle tube, thereby ensuring that the protective cover can always maintain elastic interference pressure with the motor bracket and the handle tube at the same time to cushion the impact force during falling, thereby reducing the risk of the screen body exploding when falling.

[0023] In an optional embodiment, a slide groove is opened on the inner circumferential wall of the handle tube along the length direction, and the slide groove is opened on at least one side of the handle tube along the width direction; a slide table is set on the outer circumferential wall of the motor bracket along the length direction, the slide table is suitable for sliding in the slide groove along the length direction, and the slide table and the slide groove are suitable for circumferential positioning of the motor bracket and the handle tube.

[0024] With such an arrangement, the slide slides in the slide groove along the length direction, thereby positioning and guiding the motor bracket when it enters the handle tube, thereby achieving precise positioning and assembly of the motor bracket and the handle tube. At the same time, the slide is circumferentially clamped with the slide groove to avoid relative deflection between the motor bracket and the handle tube, thereby ensuring that the protective cover can always maintain elastic interference fit with the motor bracket and the handle tube.

[0025] In an optional embodiment, a lens is provided on the handle tube, and the lens is spaced apart from a side of the screen body away from the motor bracket along the thickness direction.

[0026] By such an arrangement, direct rigid contact between the lens and the screen body is avoided, thereby reducing the risk of the screen body bursting when the electric toothbrush falls.

[0027] In a second aspect, the utility model further provides an electric toothbrush, comprising: a motor body, and the screen protection structure as described above.

[0028] The electric toothbrush of the second aspect includes the screen protection structure of the first aspect, and therefore, the electric toothbrush of the second aspect includes all the beneficial effects of the screen protection structure of the first aspect. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0030] Figure 1 A schematic diagram of a cross-sectional structure of a screen protection structure according to an embodiment of the utility model;

[0031] Figure 2 A three-dimensional structural diagram of a protective cover of a screen protection structure according to an embodiment of the utility model;

[0032] Figure 3 A partial cross-sectional structural diagram of a protective cover of a screen protection structure according to an embodiment of the utility model;

[0033] Figure 4 A three-dimensional diagram of a screen body of a screen protection structure according to an embodiment of the utility model;

[0034] Figure 5 A partial cross-sectional structural diagram of a motor bracket of a screen protection structure according to an embodiment of the utility model;

[0035] Figure 6 This is another schematic cross-sectional structure diagram of a screen protection structure according to an embodiment of the present utility model.

[0036] Description of reference numerals:

[0037] 10. Motor bracket; 11. Fixing surface; 12. First limiting boss; 13. Second limiting boss; 14. Sliding table;

[0038] 20. handle tube; 21. slide groove; 22. lens;

[0039] 30. Screen body; 31. Connecting wire;

[0040] 40. protective cover; 41. bottom wall; 42. first side wall; 43. second side wall; 44. notch; 45. limiting flange; 46. abutting boss; 47. adhesive backing;

[0041] 50. Motor body. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0043] Combine the following Figures 1 to 6 , describing an embodiment of the utility model.

[0044] According to an embodiment of the present utility model, on the one hand, a screen protection structure is provided, comprising:

[0045] Motor bracket 10;

[0046] The handle tube 20 has an inner wall on one side along the thickness direction and is spaced apart from at least a portion of the outer wall of the motor bracket 10 in the thickness direction;

[0047] The screen body 30 is disposed between the handle tube 20 and the motor bracket 10;

[0048] The protective cover 40 is made of an elastic material and is suitable for covering the screen body 30 . One side of the protective cover 40 along its own thickness direction abuts against the outer peripheral wall of the motor bracket 10 , and the other side elastically abuts against the inner peripheral wall of the handle tube 20 .

[0049] It should be noted that the protective cover 40 can be made of elastic materials such as silicone. During assembly, the screen body 30 can be first inserted into the protective cover 40, wherein the back of the protective cover 40 can be provided with adhesive, and then the protective cover 40 is pasted on the assembled motor bracket 10, and then the PCBA is assembled and welded to form a movement; after the assembled movement is loaded into the handle tube 20, the inner wall of the handle tube 20 and the protective cover 40 are interference fit and pressed tightly; when the electric toothbrush falls, because the screen body 30 is protected by the protective cover 40 on all sides, there is no rigid contact of hard collision, and the impact force is infinitely reduced by the buffering of the protective cover 40, thereby reducing the risk of the screen body 30 bursting.

[0050] The screen protection structure provided in this embodiment mainly includes a motor bracket 10, a handle tube 20 and a protective cover 40. The protective cover 40 is provided to cover and protect the screen body 30. The protective cover 40 is made of elastic material. On the one hand, the elastic recovery force of the protective cover 40 can be used to elastically interfere with the inner wall of the handle tube 20 and the outer wall of the motor bracket 10 to avoid rigid contact between the screen body 30 and other structures, thereby achieving flexible covering, protection and fixation of the screen body 30. On the other hand, the elastic effect of the protective cover 40 can buffer the impact force when the electric toothbrush falls, thereby reducing the risk of the screen body 30 bursting.

[0051] In some embodiments, see Figure 2 As shown, the protective cover 40 includes a bottom wall 41, and a first side wall 42 and two second side walls 43 extending from the edge of the bottom wall 41 along its own thickness direction toward away from the bottom wall 41. The bottom wall 41 is suitable for covering the back of the screen body 30, and the first side wall 42 and the two second side walls 43 are suitable for covering the peripheral edges of the screen body 30.

[0052] In this embodiment, the bottom wall 41 of the protective cover 40 is in contact with and elastically abuts against the back of the screen body 30, thereby flexibly covering and protecting the back of the screen body 30. The first side wall 42 and the second side wall 43 of the protective cover 40 are in contact with and elastically abut against the peripheral edge of the screen body 30, thereby flexibly covering and protecting the peripheral edge of the screen body 30, thereby reducing the risk of the screen body 30 bursting.

[0053] In some embodiments, see Figure 2 As shown, the two second side walls 43 are arranged relatively spaced apart in the width direction, one side of the length direction of the two second side walls 43 is integrally formed with the first side wall 42, and the other side is spaced apart in the width direction to form a notch 44, and the notch 44 is suitable for avoiding the connection line 31 of the screen body 30, wherein the connection line 31 of the screen body 30 is as shown in FIG. Figure 4 As shown, the connection line 31 is suitable for electrically connecting the screen body 30 with the PCBA.

[0054] In this embodiment, a notch 44 is formed by spacing at one side of the two second side walls 43 in the length direction, so as to avoid the connection line 31 of the screen body 30 and prevent the connection line 31 from being damaged due to structural interference.

[0055] In some embodiments, see Figure 2 As shown, a limiting flange 45 is disposed on one side of the first side wall 42 and the second side wall 43 away from the bottom wall 41 in the thickness direction, and the limiting flange 45 is suitable for limiting the screen body 30 .

[0056] In this embodiment, a limiting flange 45 is provided on one side of the first side wall 42 and the second side wall 43 away from the bottom wall 41 in the thickness direction, so as to limit the screen body 30 in the thickness direction and prevent the screen body 30 from detaching from the protective cover 40 .

[0057] In some embodiments, see Figure 2 As shown, the limiting flange 45 is provided with an abutting boss 46 on one side away from the bottom wall 41 in the thickness direction. Figure 1 As shown, the abutting boss 46 is adapted to abut against the inner peripheral wall of the handle tube 20 .

[0058] In this embodiment, an abutment boss 46 is provided on the side of the limiting flange 45 away from the bottom wall 41 in the thickness direction so that the abutment boss 46 can be elastically abutted against the inner peripheral wall of the handle tube 20 during the assembly process, thereby making the inner peripheral wall of the handle tube 20 elastically interfere with and press against the protective cover 40, thereby achieving flexible covering protection and fixation of the screen body 30.

[0059] In some embodiments, see Figure 3 As shown, a backing adhesive 47 is provided on one side of the protective cover 40 close to the motor bracket 10 along its own thickness direction, and the backing adhesive 47 is suitable for bonding the protective cover 40 to the motor bracket 10 .

[0060] In this embodiment, adhesive backing 47 is provided on the protective cover 40 so that the protective cover 40 is bonded and fixed to the motor bracket 10 by the adhesive backing 47. This can not only enhance the firmness of the connection between the protective cover 40 and the motor bracket 10, but also facilitate the assembly of the protective cover 40 and the motor bracket 10 into the handle tube 20.

[0061] In some embodiments, see Figure 5 As shown, a fixing surface 11 is provided on the outer peripheral wall of the motor bracket 10, and the fixing surface 11 is suitable for bonding with the protective cover 40 through the backing adhesive 47;

[0062] A first limiting boss 12 and a second limiting boss 13 are protrudingly provided on the fixing surface 11; the first limiting boss 12 is provided on both sides of the width direction of the protective cover 40, and the first limiting boss 12 is suitable for limiting the protective cover 40 in the width direction; the second limiting boss 13 is provided on both sides of the length direction of the protective cover 40, and the second limiting boss 13 is suitable for limiting the protective cover 40 in the length direction.

[0063] In this embodiment, a fixing surface 11 is provided on the outer peripheral wall of the motor bracket 10 to facilitate bonding and fixing with the backing adhesive 47, and a first limiting boss 12 and a second limiting boss 13 are provided to limit the protective cover 40 to avoid displacement of the protective cover 40 between the motor bracket 10 and the handle tube 20, thereby ensuring that the protective cover 40 can always maintain elastic interference fit with the motor bracket 10 and the handle tube 20 to cushion the impact force during falling, thereby reducing the risk of the screen body 30 bursting when falling.

[0064] In some embodiments, see Figure 1 As shown, a slide groove 21 is opened on the inner peripheral wall of the handle tube 20 along the length direction, and the slide groove 21 is opened on at least one side of the handle tube 20 along the width direction; a slide table 14 is set on the outer peripheral wall of the motor bracket 10 along the length direction, and the slide table 14 is suitable for sliding in the slide groove 21 along the length direction, and the slide table 14 and the slide groove 21 are suitable for circumferential positioning of the motor bracket 10 and the handle tube 20.

[0065] In this embodiment, the slide 14 slides along the length direction in the slide groove 21, so that the motor bracket 10 is positioned and guided when entering the handle tube 20, thereby realizing the precise positioning and assembly of the motor bracket 10 and the handle tube 20. At the same time, the slide 14 is circumferentially clamped with the slide groove 21 to avoid relative deflection between the motor bracket 10 and the handle tube 20, thereby ensuring that the protective cover 40 can always maintain elastic interference fit with the motor bracket 10 and the handle tube 20 at the same time.

[0066] In some embodiments, see Figure 6 As shown, a lens 22 corresponding to the screen body 30 is provided on the handle tube 20, so as to facilitate the user to obtain the display information on the screen body 30, and the lens 22 is spaced apart from the side of the screen body 30 away from the motor bracket 10 along the thickness direction.

[0067] In this embodiment, a lens 22 corresponding to the screen body 30 is provided on the handle tube 20. The lens 22 and the screen body 30 are spaced apart from each other on the side away from the motor bracket 10 in the thickness direction, thereby avoiding direct rigid contact between the lens 22 and the screen body 30, thereby reducing the risk of the screen body 30 bursting when it falls.

[0068] According to an embodiment of the present invention, on the other hand, an electric toothbrush is provided, comprising: a motor body 50, and the screen protection structure as described above.

[0069] Furthermore, the motor body 50 is electrically connected to the PCBA, so that the direction and speed of the motor body 50 are controlled by the PCBA.

[0070] The electric toothbrush in this embodiment includes the above-mentioned screen protection structure, and therefore, the electric toothbrush in this embodiment includes all the beneficial effects of the above-mentioned screen protection structure.

[0071] Although the embodiments of the present invention are described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations are all within the scope defined by the appended claims.

Claims

1. A screen protection structure, characterized in that: include: Motor bracket (10); A handle tube (20), the inner wall of which on one side along the thickness direction is spaced apart from at least a portion of the outer wall of the motor bracket (10) in the thickness direction; A screen body (30) is arranged between the handle tube (20) and the motor bracket (10); The protective cover (40) is made of an elastic material and is suitable for covering the screen body (30). One side of the protective cover (40) along its own thickness direction abuts against the outer peripheral wall of the motor bracket (10), and the other side elastically abuts against the inner peripheral wall of the handle tube (20).

2. The screen protection structure according to claim 1, characterized in that: The protective cover (40) comprises a bottom wall (41), and a first side wall (42) and two second side walls (43) formed by extending from the edge of the bottom wall (41) along the thickness direction thereof in a direction away from the bottom wall (41); the bottom wall (41) is suitable for covering the back of the screen body (30), and the first side wall (42) and the two second side walls (43) are suitable for covering the peripheral edges of the screen body (30).

3. The screen protection structure according to claim 2, characterized in that: The two second side walls (43) are arranged relatively spaced apart in the width direction; one side of the two second side walls (43) in the length direction is integrally formed with the first side wall (42); and the other side is spaced apart in the width direction to form a notch (44); the notch (44) is suitable for avoiding the connection line of the screen body (30).

4. The screen protection structure according to claim 2, characterized in that: A limiting flange (45) is provided on one side of the first side wall (42) and the second side wall (43) away from the bottom wall (41) in the thickness direction, and the limiting flange (45) is suitable for limiting the screen body (30).

5. The screen protection structure according to claim 4, characterized in that: A contact boss (46) is provided on one side of the limiting flange (45) away from the bottom wall (41) in the thickness direction, and the contact boss (46) is suitable for contacting with the inner peripheral wall of the handle tube (20).

6. The screen protection structure according to claim 1, characterized in that: The protective cover (40) is provided with a backing adhesive (47) on one side thereof close to the motor bracket (10) along its own thickness direction, and the backing adhesive (47) is suitable for bonding the protective cover (40) to the motor bracket (10).

7. The screen protection structure according to claim 6, characterized in that: A fixing surface (11) is provided on the outer peripheral wall of the motor bracket (10), and the fixing surface (11) is suitable for bonding with the protective cover (40) through the backing adhesive (47); A first limiting boss (12) and a second limiting boss (13) are protrudingly provided on the fixing surface (11); the first limiting boss (12) is provided on both sides of the protective sleeve (40) in the width direction, and the first limiting boss (12) is suitable for limiting the protective sleeve (40) in the width direction; the second limiting boss (13) is provided on both sides of the protective sleeve (40) in the length direction, and the second limiting boss (13) is suitable for limiting the protective sleeve (40) in the length direction.

8. The screen protection structure according to any one of claims 1 to 7, characterized in that: A slide groove (21) is provided on the inner peripheral wall of the handle tube (20) along the length direction, and the slide groove (21) is provided on at least one side of the handle tube (20) along the width direction; a slide table (14) is provided on the outer peripheral wall of the motor bracket (10) along the length direction, and the slide table (14) is suitable for sliding in the slide groove (21) along the length direction, and the slide table (14) and the slide groove (21) are suitable for circumferential positioning of the motor bracket (10) and the handle tube (20).

9. The screen protection structure according to any one of claims 1 to 7, characterized in that: A lens (22) is provided on the handle tube (20), and the lens (22) is spaced apart from a side of the screen body (30) away from the motor bracket (10) along the thickness direction.

10. An electric toothbrush, characterized in that: include: A motor body, and a screen protection structure as claimed in any one of claims 1 to 9.

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