Shell and electric toothbrush

Abstract

The utility model discloses a shell and an electric toothbrush, and the shell comprises a shell main body which is provided with an opening and a first lock catch part; the cover body can cover the opening; the locking piece is movably arranged on the cover body, the locking piece is provided with a second lock catch part, the second lock catch part has an unlocking state and a locking state, the unlocking state is that the second lock catch part and the first lock catch part are buckled so as to limit the cover body in the state of covering the opening, and the locking state is that the second lock catch part and the first lock catch part are not buckled so as to limit the cover body in the state of covering the opening. And the second lock catch part can be switched between an unlocking state and a locking state along with the movement of the locking piece. No matter the opening is closed or opened, only the locking piece needs to be driven, the operation is simple and convenient, the operation efficiency is high, the cover body does not need to be rotated, and under the condition that the battery spring is arranged between the cover body and the shell main body, the battery spring can be prevented from being driven to rotate, so that the original performance of the battery spring is kept.

Description

TECHNICAL FIELD

[0001] The utility model relates to domestic appliance technical field, especially a kind of shell and electric toothbrush. BACKGROUND

[0002] Electric toothbrush is through the rapid rotation or vibration of motor core, make brush head produce high frequency vibration, instantaneously decompose into fine foam, in-depth cleaning interdental space, while, the tremor of bristle can promote blood circulation of oral cavity, has massage effect to gingival tissue.

[0003] The shell disclosed in the invention patent with the authorization announcement No.WO2002045919A1 can be applied to electric toothbrush, in order to meet the demand of replacing battery, the shell is composed of first shell part, second shell part and detachable connecting device, the connecting device is used to detachably connect the first shell part and the second shell part, wherein the connecting device is designed as a lock catch device, which is arranged inside the shell body and can be unlocked by compressing the shell at least partially. Although the disassembly and assembly of the first shell part and the second shell part in the above-mentioned shell is simple and convenient, the first shell part needs to be injection molded by different plastics, so that the hardness of the base material of the first shell part is greater than the hardness of the operating protruding part of the first shell part, so as to meet the condition of unlocking by compressing the shell, and the manufacturing process is relatively complex.

[0004] There are also some electric toothbrush shells on the market, which include a shell body and a cover. The cover and the shell body are detachably connected together by a lock catch device. The cover can be rotated to unlock and lock the lock catch device. The disassembly and assembly of the cover are simple and convenient, and the demand of replacing battery can also be met. However, since a battery spring is arranged between the shell body and the cover, the battery spring is easily rotated during the rotation of the cover, which affects the performance of the battery spring. UTILITY MODEL CONTENTS

[0005] In order to overcome the shortcomings and deficiencies in the prior art, the utility model provides a shell and an electric toothbrush.

[0006] The utility model is realized by the following technical solutions:

[0007] In the first aspect, the utility model provides a shell, which is used for an electric toothbrush and includes:

[0008] A shell body has an opening, and the shell body is provided with a first lock catch part.

[0009] A cover can cover the opening.

[0010] A locking member movably arranged on the cover, the locking member being provided with a second locking part, the second locking part having an unlocked state and a locked state, the unlocked state being that the second locking part and the first locking part are buckled to limit the cover to cover the opening, and the locked state being that the second locking part and the first locking part are buckled to enable the cover to be separated from the opening, and the second locking part being switched between the unlocked state and the locked state by the movement of the locking member.

[0011] The shell of the utility model, through setting movable locking member on cover, need to utilize cover to cover opening, cover is set on shell main body, then drive locking member to move to make second locking part and first locking part buckle, so that locking member and shell main body are connected together, so as to realize that cover and shell main body are fixedly connected together, and cover is limited to cover the state of opening, and in the case of needing to open the opening, drive the locking member to move to make the second locking part and the first locking part buckle, so that the locking member and the shell main body are disconnected, thereby releasing the fixed connection between the cover and the shell main body, so that the cover can be separated from the opening, thereby opening the opening, whether covering the opening or opening the opening, only the locking member needs to be driven, which is simple and convenient to operate, high in operation efficiency, and does not need to rotate the cover, and in the case that a battery spring is arranged between the cover and the shell main body, the battery spring can be prevented from rotating, thereby keeping the original performance of the battery spring.

[0012] In an embodiment, the cover has a receiving hole penetrating through the cover, and the locking member is located in the receiving hole to accommodate the locking member in the receiving hole, avoid the locking member protruding relative to the cover, improve the unlocking difficulty of the locking member, prevent children from driving the locking member to move with bare hands, and thus the shell can be applied to a children's electric toothbrush, and in addition, the internal space utilization of the cover can be improved, and the overall volume of the shell can be reduced.

[0013] In an embodiment, the locking member is provided with an operation protruding part exposed to the cover, and the operation protruding part is used for holding by a hand to drive the locking member to move, so that the locking member can be conveniently driven to move by holding the operation protruding part, the cover is locked or unlocked, and the operation is simpler, more convenient, and higher in operation efficiency.

[0014] In an embodiment, the locking member is rotatably arranged on the cover, so that the cover can be locked or unlocked by driving the locking member to rotate, and the operation is simpler, more convenient, and higher in operation efficiency.

[0015] In one embodiment, the cover is provided with a third locking part, the locking member is provided with a fourth locking part, the fourth locking part and the third locking part are buckled to connect the locking member and the cover together. Thus, when the locking member is installed on the cover, the fourth locking part and the third locking part are buckled to connect the locking member and the cover together, which limits the locking member from being separated from the cover, has simple and practical structure, and is convenient to operate.

[0016] In one embodiment, the outer wall of the cover is provided with a positioning groove, and the locking member is provided with a positioning part, the positioning part and the positioning groove are matched, so that the locking member is positioned and installed, and the fourth locking part and the third locking part are buckled together when the positioning part and the positioning groove are matched, which ensures that the locking member is reliably installed on the cover.

[0017] In one embodiment, the shell further comprises:

[0018] The elastic member connects the shell body and the cover, and is used to provide a driving force for the cover to separate from the shell body. Thus, when the second locking part and the first locking part are separated, the cover can be automatically separated from the shell body under the action of the driving force, and when the second locking part and the first locking part are buckled, the pulling force between the locking member and the shell body overcomes the driving force, so that the cover is reliably maintained in the state of covering the opening.

[0019] In one embodiment, the shell body is further provided with a battery compartment for accommodating a battery, a first end of the battery compartment is provided with an electrode sheet for electrically connecting with a first end of the battery, and a second end of the battery compartment communicates with the opening for the battery to enter or exit the battery compartment.

[0020] One end of the elastic member extends to the second end of the battery compartment, and the elastic member is used to electrically connect with a second end of the battery. Thus, when the battery is installed, the first end of the battery and the electrode sheet are abutted by installing the battery in the battery compartment in a set direction, so that the first end of the battery and the electrode sheet are electrically connected, the elastic member and the second end of the battery are abutted by sequentially installing the elastic member and the cover on the shell body, so that the second end of the battery and the elastic member are electrically connected, and finally the locking member is installed on the cover, and the cover is locked on the shell body by the locking member, which is simple and convenient to operate, and has high efficiency in replacing the battery. In addition, the elastic member is used to electrically connect the battery and provide a driving force for the cover to separate from the shell body, which is one thing with two uses, and improves the utilization rate of the elastic member.

[0021] In one embodiment, the cover is provided with an accommodation hole penetrating through the cover, and the locking member is located in a first end of the accommodation hole.

[0022] The shell further comprises a mounting frame arranged in the second end of the accommodating hole, the mounting frame being connected with the elastic member, the mounting frame having an avoiding hole through which the first locking part passes, so that the elastic member is mounted on the cover through the mounting frame, and the elastic member and the cover are fixed together, facilitating integrated disassembly of the cover and the elastic member, i.e., only the cover needs to be disassembled, and both the cover and the elastic member can be disassembled, so that disassembly is simpler, more convenient and more efficient.

[0023] In a second aspect, the utility model provides a kind of electric toothbrush, including above-mentioned shell.

[0024] The electric toothbrush of the utility model, since the above-mentioned shell is used, the movable locking member is also arranged on the cover based on the same, in the case where the opening needs to be covered by the cover, the cover is arranged on the shell main body, then the locking member is driven to move to make the second locking part and the first locking part be buckled, so that the locking member and the shell main body are connected together, thereby realizing that the cover and the shell main body are fixedly connected together, and the cover is limited in the state of covering the opening;In the case where the opening needs to be opened, the locking member is driven to move to make the second locking part and the first locking part be buckled, so that the locking member and the shell main body are disconnected, thereby releasing the fixed connection between the cover and the shell main body, so that the cover can be separated from the opening, thereby opening the opening, whether the opening is covered or opened, only the locking member needs to be driven, and the operation is simple and convenient, and the operation efficiency is high, and the cover does not need to be rotated, in the case where the battery spring is arranged between the cover and the shell main body, the battery spring can be avoided to be rotated, so that the battery spring maintains original performance.

[0025] The utility model has the advantages of:

[0026] The utility model discloses a shell, through setting up the movable locking piece on the cover, need using the cover to close the opening, the cover is set up on the shell main body, drives the locking piece to move to make the second lock catch portion and first lock catch portion buckling to make the locking piece and shell main body connect together to realize the fixed connection of the cover and shell main body together, the cover is limited to the state of closing the opening, and need opening the opening, drive the locking piece to move to make the second lock catch portion and first lock catch portion disengaging buckling to make the locking piece and shell main body disengaging connection to remove the fixed connection of the cover and shell main body, make the cover can separate from the opening to open the opening, whether closing the opening or opening the opening, only need to drive the locking piece, and the operation is simple, convenient, and the operation efficiency is high, and need not rotate the cover, and under the condition that the battery spring is installed between the cover and shell main body, can avoid driving the battery spring to rotate to make the battery spring keep the original performance. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is the three-dimensional structure schematic diagram of the shell of the utility model,

[0028] Figure 2 It is the exploded view of the shell of the utility model,

[0029] Figure 3 It is the partial sectional view of the shell of the utility model,

[0030] Figure 4 It is the sectional view of the shell of the utility model under the first visual angle,

[0031] Figure 5 It is the sectional view of the shell of the utility model under the second visual angle,

[0032] Figure 6 It is the three-dimensional structure schematic diagram of the locking piece of the first embodiment in the utility model under the first visual angle,

[0033] Figure 7 It is the three-dimensional structure schematic diagram of the locking piece of the first embodiment in the utility model under the second visual angle,

[0034] Figure 8 It is the three-dimensional structure schematic diagram of the locking piece of the second embodiment in the utility model under the first visual angle.

[0035] REFERENCE NUMERALS

[0036] 1, shell body; 11, outer shell; 111, inner cavity; 112, opening; 113, positioning groove; 114, buckle groove; 12, inner support; 121, first locking part; 122, battery compartment; 123, buckle part; 2, cover body; 21, accommodating hole; 22, third locking part; 23, positioning groove; 24, positioning protrusion; 25, sixth locking part; 3, locking piece; 31, second locking part; 32, operation protrusion part; 33, fourth locking part; 34, positioning part; 4, elastic piece; 5, electrode sheet; 6, mounting rack; 61, avoiding hole; 62, fifth locking part; 7, battery; 8, motor core. DETAILED DESCRIPTION

[0037] In this specification, the orientation terms such as up, down, left, right, front, back, top, bottom, etc. mentioned or possibly mentioned are defined with respect to the configuration shown in the drawings, and are relative concepts, so it is possible to change accordingly according to different positions and different use states. Therefore, these or other orientation terms should not be interpreted as restrictive terms.

[0038] Please refer to Figures 1-8 , which shows a shell of a preferred embodiment of the utility model, the shell is used for an electric toothbrush, comprising:

[0039] The shell body 1 has an inner cavity 111 and an opening 112. The inner cavity 111 is used for accommodating a motor core 8 and a battery 7. The motor core 8 is connected with a brush head (not shown in the figure) and the brush head is located outside the front end of the shell body 1. The motor core 8 is used for driving the brush head to vibrate. The battery 7 is electrically connected with the motor core 8 to supply power to the motor core 8 so that the motor core 8 can drive the brush head to vibrate. The opening 112 is connected with the inner cavity 111 and is used for the battery 7 to enter or exit the inner cavity 111, so as to facilitate the replacement of the battery 7. The shell body 1 is provided with a first locking part 121.

[0040] The cover body 2 can cover the opening 112, that is, the cover body 2 can cover the opening 112 to limit the battery 7 in the shell and prevent the battery 7 from falling off the shell. At the same time, the cover body 2 can be separated from the opening 112 to open the opening 112 and facilitate the replacement of the battery 7. The cover body 2 is arranged at the tail end (i.e. the rear end) of the shell body 1. Of course, the cover body 2 can also be arranged at the side of the shell body 1; and

[0041] The locking piece 3 is movably arranged on the cover body 2, and the locking piece 3 is provided with a second locking part 31, and the second locking part 31 has an unlocking state and a locking state; the unlocking state is that the second locking part 31 is buckled with the first locking part 121 to limit the cover body 2 to cover the opening 112; the locking state is that the second locking part 31 is buckled with the first locking part 121 to enable the cover body 2 to be separated from the opening 112, that is, to open the opening 112; the second locking part 31 can be switched between the unlocking state and the locking state by moving the locking piece 3, that is, by driving the locking piece 3 to move to the first set position, the second locking part 31 can be driven to be buckled with the first locking part 121; by driving the locking piece 3 to move to the second set position, the second locking part 31 can be driven to be buckled with the first locking part 121.

[0042] The shell body of the utility model, through setting movable locking piece 3 on cover body 2, need to utilize cover body 2 to cover the opening 112, cover body 2 is set up on shell main body 1 again, drive locking piece 3 to move to make second locking part 31 and first locking part 121 buckle, to make locking piece 3 and shell main body 1 connect together, thereby realize cover body 2 and shell main body 1 fixed connection together, limit cover body 2 to cover the opening 112 state;And need to open the opening 112, drive locking piece 3 to move to make second locking part 31 and first locking part 121 buckle, to make locking piece 3 and shell main body 1 disconnection, thereby remove the fixed connection of cover body 2 and shell main body 1, make cover body 2 can be separated from the opening 112, thereby open the opening 112, whether cover the opening 112 or open the opening 112, only need to drive locking piece 3, simple operation, convenient, operation efficiency is high, and need not rotate cover body 2, install battery spring between cover body 2 and shell main body 1, can avoid driving battery spring rotation, thereby make battery spring keep original performance.

[0043] Referring to Figure 3 In an embodiment, the first locking part 121 and the second locking part 31 are located in the cavity surrounded by the shell main body 1 and the cover body 2, so as to hide the first locking part 121 and the second locking part 31 in the shell body, avoid the first locking part 121 and the second locking part 31 exposed to the shell body, can improve the connection stability of the shell main body 1 and the cover body 2, and also can simplify the appearance structure of the shell body, and make the shell body more beautiful.

[0044] Referring to Figure 3 In the embodiment, the second locking part 31 is located inside the cover body 2, and in the case that the second locking part 31 is buckled with the first locking part 121, the first locking part 121 extends into the cover body 2.

[0045] Of course, in other embodiments, the first locking portion 121 can be arranged inside the shell body 1, and in the case where the second locking portion 31 is buckled with the first locking portion 121, the second locking portion 31 extends to the inside of the shell body 1.

[0046] Referring to Figures 2-3 In an embodiment, the cover 2 has a receiving hole 21 which penetrates through the cover 2, and the locking member 3 is arranged in the receiving hole 21, so as to realize the accommodation of the locking member 3 in the receiving hole 21, avoid the protrusion of the locking member 3 relative to the cover 2, improve the unlocking difficulty of the locking member 3, and play a role in preventing children from driving the locking member 3 manually, thereby avoiding the arbitrary unlocking of the locking member 3 by children, so that the shell can be applied to a children's electric toothbrush. In addition, the internal space utilization of the cover 2 can be improved, the overall volume of the shell can be reduced, and the miniaturization and compactness of the shell can be facilitated.

[0047] Referring to Figure 1 and Figure 6 In an embodiment, the locking member 3 is provided with an operation protruding portion 32 which is exposed to the cover 2 and is used for holding by a hand to drive the locking member 3 to move. In this way, when the battery 7 needs to be replaced, the locking member 3 can be conveniently driven to move by holding the operation protruding portion 32 by the hand, so as to realize the tool-free locking or unlocking of the cover 2, and the operation is simpler, more convenient, and more efficient.

[0048] Referring to Figure 8 In an embodiment, the locking member 3 can not be provided with the operation protruding portion 32. In this case, when the battery 7 needs to be replaced, the locking member 3 can be driven to move by means of a tool, and therefore different types of locking members 3 can be installed on the cover 2, that is, the shell can be adapted to users of different ages, such as the shell provided with the operation protruding portion 32 can be applied to an adult electric toothbrush, and the shell not provided with the operation protruding portion 32 can be applied to a children's electric toothbrush, so that the use is more flexible and the applicability is wider.

[0049] In an embodiment, the locking member 3 is rotatably arranged on the cover 2. In this way, the cover 2 can be locked or unlocked by driving the locking member 3 to rotate, and the operation is simpler, more convenient, and more efficient. In addition, the locking member 3 which is unlocked or locked by rotation has a smaller volume, can reduce the occupied space of the locking member 3, and is more conducive to the miniaturization and compactness of the shell.

[0050] Referring to Figure 2 and Figure 3In an embodiment, the cover 2 is provided with a third locking portion 22, the locking member 3 is provided with a fourth locking portion 33, the fourth locking portion 33 and the third locking portion 22 are buckled to connect the locking member 3 and the cover 2 together. Thus, in the case of installing the locking member 3 on the cover 2, the fourth locking portion 33 and the third locking portion 22 are buckled to connect the locking member 3 and the cover 2 together, which limits the locking member 3 from being separated from the cover 2, has simple and practical structure, and can realize tool-free installation of the locking member 3, convenient installation operation, and quick installation of the locking member 3.

[0051] Referring to Figures 2-3 In an embodiment, the cover 2 and the locking member 3 are arranged at the tail end of the shell main body 1, and the shell main body 1, the cover 2 and the locking member 3 are coaxially arranged, and the locking member 3 is rotatably arranged around the center line of the length direction of the shell main body 1.

[0052] The third locking portion 22 is arranged around the center line of the length direction of the shell main body 1, and the fourth locking portion 33 is also arranged around the center line of the length direction of the shell main body 1, and the fourth locking portion 33 extends away from the center line of the length direction of the shell main body 1, and the fourth locking portion 33 and the third locking portion 22 abut to limit the locking member 3 from being separated from the cover 2, and reliably connect the locking member 3 and the cover 2 together, and ensure that the locking member 3 can rotate relative to the cover 2.

[0053] Referring to Figures 2-3 In an embodiment, the outer wall of the cover 2 has a positioning groove 23, and the locking member 3 is provided with a positioning portion 34, and the positioning portion 34 and the positioning groove 23 are matched, so that the locking member 3 can be positioned and installed, and in the case of matching the positioning portion 34 and the positioning groove 23, the buckling of the fourth locking portion 33 and the third locking portion 22 can be fed back, and the reliable installation of the locking member 3 on the cover 2 is ensured.

[0054] Of course, in other embodiments, the locking member 3 can also be movably arranged on the cover 2, and the second locking portion 31 and the first locking portion 121 can be buckled or unbuckled by driving the locking member 3 to move.

[0055] Referring to Figures 2-3 In an embodiment, the shell further comprises:

[0056] The elastic member 4 connects the shell main body 1 and the cover 2, and the elastic member 4 is used to provide a driving force for the cover 2 to separate from the shell main body 1, so that in the case of the second locking portion 31 and the first locking portion 121 being unbuckled, the cover 2 can automatically separate from the shell main body 1 under the action of the driving force, and in the case of the second locking portion 31 and the first locking portion 121 being buckled, the pulling force between the locking member 3 and the shell main body 1 overcomes the above-mentioned driving force, so that the cover 2 can be reliably maintained in the state of covering the opening 112.

[0057] Referring to Figures 2-3 In an embodiment, the cover 2 is provided with a positioning protrusion 24, which is arranged around the center line of the length direction of the cover 2;

[0058] The shell body 1 has a positioning groove 113 arranged around the opening 112, the positioning groove 113 and the positioning protrusion 24 are matched, that is, the positioning protrusion 24 is inserted into the positioning groove 113 to position the cover 2, ensure that the cover 2 is installed at a designated position, and at the same time, increase the contact area of the cover 2 and the shell body 1, so that the connection of the cover 2 and the shell body 1 is more stable and reliable.

[0059] Referring to Figure 3 In an embodiment, the shell body 1 further has a battery compartment 122 for accommodating the battery 7, the battery compartment 122 is located in the inner cavity 111, a first end of the battery compartment 122 is provided with an electrode sheet 5, the electrode sheet 5 is electrically connected to the first end of the motor core 8 and the battery 7, and a second end of the battery compartment 122 communicates with the opening 112, and the opening 112 is used for the battery 7 to enter or exit the battery compartment 122;

[0060] One end of the elastic member 4 extends to the second end of the battery compartment 122, and the elastic member 4 is used for electrical connection with the second end of the battery 7, that is, the elastic member 4 is a battery spring. In this way, when the battery 7 is installed, the battery 7 is installed in the battery compartment 122 in a designated direction, so that the first end of the battery 7 and the electrode sheet 5 are abutted, that is, the first end of the battery 7 and the electrode sheet 5 are electrically connected, and then the elastic member 4 and the cover 2 are sequentially installed on the shell body 1, so that the elastic member 4 and the second end of the battery 7 are abutted, that is, the second end of the battery 7 and the elastic member 4 are electrically connected, so that the battery 7 supplies power to the motor core 8, and finally the locking member 3 is installed on the cover 2, and the cover 2 is locked on the shell body 1 by the locking member 3. The installation operation is simple and convenient, and the replacement of the battery 7 is efficient; in addition, since the elastic member 4 is not only a battery spring for electrical connection with the battery 7, but also an elastic structure for providing driving force for the cover 2 to separate from the shell body 1, one object has two uses, and the utilization rate of the elastic member 4 is improved.

[0061] Referring to Figures 2-3 In an embodiment, the cover 2 has a receiving hole 21 penetrating through the cover 2, and the locking member 3 is located in the first end of the receiving hole 21, so as to improve the utilization rate of the internal space of the cover 2 and reduce the occupied space;

[0062] The shell further comprises a mounting frame 6 arranged in the second end of the accommodating hole 21, the mounting frame 6 is connected with the elastic member 4, that is, the mounting frame 6 is used to mount the elastic member 4 on the cover body 2, so that the elastic member 4 and the cover body 2 are fixed together, facilitating the integrated disassembly of the cover body 2 and the elastic member 4, that is, only the cover body 2 needs to be disassembled, and the disassembly of the cover body 2 and the elastic member 4 can be realized, so that the disassembly is simpler, more convenient, and more efficient. The mounting frame 6 has an avoiding hole 61, the first locking part 121 passes through the avoiding hole 61, so that the first locking part 121 extends into the first end of the accommodating hole 21, so that the first locking part 121 can be buckled with the second locking part 31, and the first locking part 121 is avoided. At the same time, through the cooperation of the first locking part 121 and the avoiding hole 61, the transverse movement of the first locking part 121 can also be limited, the structural strength of the first locking part 121 can be reinforced, and it is ensured that the first locking part 121 can be stably buckled with the second locking part 31, and the structural reliability is higher.

[0063] Referring to Figures 2-3 In an embodiment, the mounting frame 6 is provided with a fifth locking part 62, and the cover body 2 is provided with a sixth locking part 25 (not shown in the figure), the sixth locking part 25 and the fifth locking part 62 are buckled to fix the mounting frame 6 and the cover body 2 together, so that tool-free installation of the mounting frame 6 can be realized, and the installation operation is simpler and more convenient, and the installation efficiency is high.

[0064] Of course, in other embodiments, the mounting frame 6 can also be connected with the cover body 2 through fasteners (such as screws, rivets) or adhesives.

[0065] Referring to Figures 2-3 In an embodiment, the shell body 1 comprises:

[0066] an outer shell 11, the outer shell 11 has an inner cavity 111 and an opening 112; and

[0067] an inner support 12 arranged in the inner cavity 111, the inner support 12 has a first locking part 121 and a battery compartment 122, and the inner support 12 and the outer shell 11 are separately arranged. That is, the shell body 1 is composed of the outer shell 11 and the inner support 12, since the outer shell 11 and the inner support 12 are separately arranged, the outer shell 11 and the inner support 12 can be manufactured independently, and then the outer shell 11 and the inner support 12 are mounted together, so that the manufacturing difficulty of the shell body 1 is reduced.

[0068] Referring to Figures 2-3 Figure 3In one embodiment, the shell 11 has a buckle groove 114 located on the side wall of the inner cavity 111, and the inner holder 12 is provided with a buckle portion 123 located on one end close to the first locking portion 121, the buckle portion 123 and the buckle groove 114 are matched to fix the inner holder 12 and the shell 11 together, and since the buckle portion 123 is located on one side close to the first locking portion 121, the structural strength of the first locking portion 121 can be increased to ensure that the first locking portion 121 can be reliably buckled with the second locking portion 31, and the structural stability is improved.

[0069] The utility model provides a kind of electric toothbrush, including the shell of above, that is, the shell is applied to electric toothbrush.

[0070] The electric toothbrush of the utility model, since the shell is used, the movable locking member 3 is also arranged on the cover 2, when the opening 112 needs to be covered, the cover 2 is arranged on the shell main body 1, and then the locking member 3 is driven to move to make the second locking portion 31 and the first locking portion 121 buckled, so that the locking member 3 and the shell main body 1 are connected together, thereby realizing the fixed connection of the cover 2 and the shell main body 1, and the cover 2 is limited to the state of covering the opening 112; when the opening 112 needs to be opened, the locking member 3 is driven to move to make the second locking portion 31 and the first locking portion 121 disengaged, so that the locking member 3 and the shell main body 1 are disconnected, thereby releasing the fixed connection of the cover 2 and the shell main body 1, so that the cover 2 can be separated from the opening 112, thereby opening the opening 112, whether the opening 112 is covered or opened, only the locking member 3 needs to be driven, which is simple and convenient to operate, and the operation efficiency is high, and the cover 2 does not need to be rotated, and in the case that the battery spring is arranged between the cover 2 and the shell main body 1, the battery spring can be prevented from being rotated, so that the battery spring maintains the original performance.

[0071] In other embodiments, the shell can also be applied to other household appliances, such as a razor, a sphygmomanometer, a flashlight, etc., which greatly simplifies the operation of opening and closing the shell.

[0072] The utility model is not limited to the above embodiments, and various modifications or changes to the utility model do not deviate from the spirit and scope of the utility model, and if these modifications and changes are within the scope of the claims and equivalent technology of the utility model, the utility model also intends to include these modifications and changes.

Claims

1. A housing for an electric toothbrush, characterized in that The shell comprises: a shell body (1) having an opening (112), the shell body (1) being provided with a first locking part (121); a cover body (2) capable of covering the opening (112); and a locking member (3) movably arranged on the cover body (2), the locking member (3) being provided with a second locking part (31) having an unlocked state and a locked state, the unlocked state being that the second locking part (31) and the first locking part (121) are engaged to restrict the cover body (2) to cover the opening (112), the locked state being that the second locking part (31) and the first locking part (121) are disengaged to make the cover body (2) disengage from the opening (112), the second locking part (31) being capable of switching between the unlocked state and the locked state along with the movement of the locking member (3).

2. The housing of claim 1, wherein The cover body (2) has a receiving hole (21) penetrating the cover body (2), and the locking member (3) is located in the receiving hole (21).

3. The housing of claim 2, wherein, The locking member (3) is provided with an operation protrusion (32) exposed to the cover body (2), which is used for holding by a hand to drive the locking member (3) to move.

4. The case according to claim 1, characterized by The locking member (3) is rotatably arranged on the cover body (2).

5. The housing of claim 4, wherein, The cover body (2) is provided with a third locking part (22), and the locking member (3) is provided with a fourth locking part (33), the fourth locking part (33) and the third locking part (22) being engaged to connect the locking member (3) and the cover body (2) together.

6. The case according to claim 4, characterized in that, An outer wall of the cover body (2) has a positioning groove (23), and the locking member (3) is provided with a positioning part (34) matched with the positioning groove (23).

7. The case according to claim 1, characterized by The shell further comprises: a resilient member (4) connecting the shell body (1) and the cover body (2), the resilient member (4) being used to provide a driving force for the cover body (2) to disengage from the shell body (1).

8. The case according to claim 7, characterized in that The shell body (1) further has a battery compartment (122) for accommodating a battery (7), a first end of the battery compartment (122) being provided with an electrode sheet (5) used for electrically connecting with a first end of the battery (7), and a second end of the battery compartment (122) being communicated with the opening (112) used for the battery (7) to enter or exit the battery compartment (122); one end of the resilient member (4) extends to the second end of the battery compartment (122), and the resilient member (4) is used to electrically connect with a second end of the battery (7).

9. The case of claim 7, wherein, The cover body (2) has a receiving hole (21) penetrating the cover body (2), and the locking member (3) is located in a first end of the receiving hole (21); The shell further comprises: A mounting frame (6) is arranged in the second end of the accommodating hole (21), the mounting frame (6) is connected with the elastic member (4), and the mounting frame (6) has an avoiding hole (61) through which the first locking part (121) passes.

10. An electric toothbrush characterized by A housing comprising any one of claims 1-9.

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