CN215306935U

CN215306935U - Electric toothbrush with reliable connection

Info

Publication number: CN215306935U
Application number: CN202121855759.XU
Authority: CN
Inventors: 蓝建彬; 黄勇胜
Original assignee: Shenzhen Hongrong Precision Technology Co ltd
Current assignee: Shenzhen Hongrong Precision Technology Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2021-12-28
Anticipated expiration: 2031-08-09

Abstract

The utility model provides an electric toothbrush with reliable connection, which comprises a shell, a bottom layer fixing frame, a middle fixing frame, an upper layer fixing frame and a toothbrush head. The both ends of shell are first end and second end respectively, and the inner wall of first end is provided with convex first fixture block and second fixture block, and the inner wall of shell still sets up the joint groove. One end of the bottom layer fixing frame is provided with a first convex clamping leg and a connecting convex column, the first clamping leg is provided with a first convex buckle, and the first buckle is in matched clamping connection with the first clamping block. The connecting convex column is in interference connection with the inner side wall of the first end. The two ends of the middle fixing frame are respectively provided with a third end and a fourth end, the third end is provided with a convex second clamping leg, the outer side wall of the second clamping leg is provided with a convex second buckle, and the second buckle is in matched clamping connection with a second clamping block. The middle fixing frame is also provided with a clamping edge, and the clamping edge is positioned and clamped with the clamping groove. The electric toothbrush with reliable connection is reliable in connection and effectively prolongs the service life.

Description

Electric toothbrush with reliable connection

Technical Field

The utility model relates to the technical field of electric toothbrushes, in particular to an electric toothbrush with reliable connection.

Background

The toothbrush is the most common tooth cleaning tool for people, is used for removing bacteria, tartar and fine sundries attached between teeth, can play a role in preventing periodontal diseases, and protects the oral hygiene and tooth health of people. The electric toothbrush can make the brush head generate high-frequency vibration through the quick rotation or vibration of the motor core, instantly decompose toothpaste into fine foam to deeply clean teeth gaps, and meanwhile, the vibration of the brush hair can promote the blood circulation of the oral cavity and has a massage effect on gum tissues. The electric toothbrush in the prior art is unreliable in connection, and the service life is influenced.

It is desirable to provide a power toothbrush with a reliable connection to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric toothbrush with reliable connection, which is positioned and clamped with a first clamping block of a shell through a first buckle of a bottom layer fixing frame, positioned and clamped with a second clamping block of the shell through a second buckle of an intermediate fixing frame, positioned and clamped in a clamping groove of the shell through a clamping edge of the intermediate fixing frame, and in interference connection with the inner side wall of a first end of the shell through a connecting convex column of the bottom layer fixing frame. The electric toothbrush solves the technical problems that the connection of the electric toothbrush in the prior art is unreliable and the service life of the electric toothbrush is influenced.

In order to solve the technical problems, the technical scheme of the utility model is as follows:

a reliably connected electric toothbrush, comprising:

the clamping device comprises a shell, a clamping groove and a clamping device, wherein the shell is of a hollow tubular structure, a first end and a second end are arranged at two ends of the shell respectively, the first end and the second end are both of an open structure, a first clamping block and a second clamping block which protrude from the inner wall of the first end are arranged on the inner wall of the shell, and the length direction of the clamping groove is consistent with the length direction of the shell;

the bottom layer fixing frame is used for fixing a charging interface, one end of the bottom layer fixing frame is provided with a convex first clamping leg and a connecting convex column, the outer side wall of the first clamping leg is provided with a convex first buckle, and the first buckle is matched and clamped with the first clamping block; the connecting convex column is in interference connection with the inner side wall of the first end;

the middle fixing frame is used for fixing a battery and a circuit board, the middle fixing frame is arranged in the shell, and the two ends of the middle fixing frame are respectively a third end and a fourth end; the third end is provided with a convex second clamping leg, the outer side wall of the second clamping leg is provided with a convex second buckle, and the second buckle is in matched clamping connection with the second clamping block; the middle fixing frame is also provided with a clamping edge, the length direction of the clamping edge is consistent with the direction of the middle fixing frame, and the clamping edge is positioned and clamped with the clamping groove;

the upper-layer fixing frame is used for fixing a motor, the upper-layer fixing frame is arranged in the shell, a fifth end and a sixth end are respectively arranged at two ends of the upper-layer fixing frame, and the fifth end is connected with the fourth end; and the number of the first and second groups,

a toothbrush head disposed outside of the second end, the toothbrush head being connected to the sixth end via the motor.

In the reliably connected electric toothbrush, the bottom layer fixing frame is provided with the convex clamping step along the circumferential direction, and the edge of the first end is positioned and abutted against one side of the clamping step.

In the reliably connected electric toothbrush, the hollow convex column extending towards the first end is arranged inside the second end, the convex edge is arranged at the sixth end along the circumferential direction of the sixth end, and the convex edge is in limit abutting joint with the hollow convex column.

In the electric toothbrush with reliable connection, the electric toothbrush with reliable connection further comprises a fixing plate, the fixing plate is used for fixing the circuit board, the fixing plate is arranged on one side of the middle fixing frame, and the length direction of the fixing plate is consistent with that of the middle fixing frame;

the third end is provided with convex joint portion, joint portion with the fixed plate is located form the fixed slot between the one end of third end, the one end interference of the interface that charges set up in the fixed slot.

In the reliably-connected electric toothbrush, the side surface of the charging interface is provided with the bulge, one end of the fixing plate, which is close to the bottom layer fixing frame, is provided with the clamping hole, and the bulge is positioned and clamped in the clamping hole.

In the reliably connected electric toothbrush, the battery is cylindrical, the middle fixing frame is provided with an accommodating groove for accommodating the battery, the shape of the accommodating groove is matched with that of the battery, the length direction of the accommodating groove is consistent with that of the middle fixing frame, and the top edge of the accommodating groove is provided with two symmetrical clamping blocks.

In the electric toothbrush with reliable connection, the accommodating groove is provided with the through hole, and the position of the through hole corresponds to the clamping block.

In the electric toothbrush reliable in connection, the depths of the two ends of the accommodating groove are A, the diameter of the battery is B, and 0.5B < A < B.

In the electric toothbrush with reliable connection according to the present invention,

the reliably connected electric toothbrush further comprises a rubber plug, the rubber plug is provided with a through clamping hole along the axial direction of the rubber plug, the rubber plug is provided with a positioning edge along the circumferential direction of the rubber plug, and one end of the main body part of the motor is positioned in the clamping hole;

the fourth end is provided with a plug groove along the axial direction, the rubber plug is arranged in the plug groove, and the positioning edge is in limit abutting joint with the edge of the fourth end;

the fifth end is provided with two clamping plates which are symmetrically distributed in a protruding mode, a machine groove is formed between the two clamping plates, and the other end of the main body portion of the motor is arranged in the machine groove in an interference mode.

In the reliably connected electric toothbrush, the inner wall of the first end is also provided with a first positioning groove, the position of the first positioning groove corresponds to the first buckle, the inner wall of the first end is also provided with a second positioning groove, and the position of the second positioning groove corresponds to the second buckle.

Compared with the prior art, the utility model has the beneficial effects that: according to the electric toothbrush with reliable connection, the first buckle of the bottom layer fixing frame is in positioning clamping connection with the first clamping block of the shell, the second buckle of the middle fixing frame is in positioning clamping connection with the second clamping block of the shell, the clamping edge of the middle fixing frame is in positioning clamping connection with the clamping groove of the shell, and the connecting convex column of the bottom layer fixing frame is in interference connection with the inner side wall of the first end of the shell. The electric toothbrush with reliable connection is reliable in connection and effectively prolongs the service life.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments are briefly introduced below, and the drawings in the following description are only corresponding to some embodiments of the present invention.

Fig. 1 is a schematic view showing an assembled structure of the electric toothbrush of the present invention with reliable connection.

Fig. 2 is a schematic axial sectional view showing the electric toothbrush of the present invention with a reliable connection.

Fig. 3 is a schematic view showing a disassembled structure of the electric toothbrush of the present invention with reliable connection.

Fig. 4 is a schematic axial sectional view of a housing of the electric toothbrush of the present invention with a reliable connection.

Fig. 5 is a schematic structural view of a bottom chassis of the electric toothbrush of the present invention with reliable attachment.

Fig. 6 is a schematic view of the detachable structure of the middle fixing frame and the charging interface of the electric toothbrush of the present invention.

Fig. 7 is a schematic view showing a disassembled structure of the middle holder, the battery and the rubber stopper of the electric toothbrush of the present invention.

Fig. 8 is a schematic view of a disassembled structure of the upper fixing frame and the motor of the electric toothbrush of the present invention.

Wherein,

100. a charging interface, 1001, a protrusion,

200. a battery pack having a plurality of batteries,

300. a motor is arranged on the base plate and is provided with a motor,

11. the outer shell is provided with a plurality of grooves,

111. at the first end of the first tube, the first tube is provided with a first end,

1111. a first block 1112, a second block 1113, a first positioning groove 1114, a second positioning groove,

112. a second end, 1121, a hollow convex column,

113. a clamping groove is arranged on the upper surface of the shell,

12. a bottom layer fixing frame is arranged on the bottom layer,

121. a first clamping leg 1211 and a first buckle,

122. is connected with the convex column and is provided with a convex column,

123. the step is clamped and connected with the lower end of the connecting rod,

13. a middle fixing frame is arranged on the upper portion of the frame,

131. a third end of the device is provided with a first end,

1311. a second clamping leg 13111, a second clamping buckle 1312, a clamping part 1313 and a fixing groove,

132. a fourth end, 1321, a plug slot,

133. the clamping edge is clamped and connected with the edge,

134. an accommodating groove 1341, a clamping block 1342, a through hole,

14. a fixing frame on the upper layer is arranged,

141. a fifth end, 1411, a catch plate, 1412, a slot,

142. a sixth end, 1421, a collar,

15. a toothbrush head, a toothbrush handle,

16. a fixing plate 161 and a clamping hole,

17. rubber stopper, 171, chucking hole, 172, locating edge.

In the drawings, elements having similar structures are denoted by the same reference numerals.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present invention, directional terms such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", "top" and "bottom" are used only with reference to the orientation of the drawings, and the directional terms are used for illustration and understanding of the present invention, and are not intended to limit the present invention.

The terms "first," "second," and the like in the terms of the utility model are used for descriptive purposes only and not for purposes of indication or implication relative importance, nor as a limitation on the order of precedence.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The electric toothbrush in the prior art is unreliable in connection, and the service life is influenced.

The preferred embodiment of the present invention for providing a reliably coupled electric toothbrush which solves the above technical problems is as follows.

Referring to fig. 1, 2, 3, 4, 5, 6 and 8, the present invention provides a reliable connection electric toothbrush, which includes a housing 11, a bottom holder 12, an intermediate holder 13, an upper holder 14 and a toothbrush head 15.

It is inside hollow tubular structure that is of shell 11, and the both ends of shell 11 are first end 111 and second end 112 respectively, and first end 111 and second end 112 are open structure, and the inner wall of first end 111 is provided with convex first fixture block 1111 and second fixture block 1112, and the inner wall of shell 11 still sets up joint groove 113, and the length direction in joint groove 113 is unanimous with the length direction of shell 11.

The bottom fixing frame 12 is used for fixing the charging interface 100, one end of the bottom fixing frame 12 is provided with a first clamping leg 121 and a connecting convex column 122, the outer side wall of the first clamping leg 121 is provided with a first clamping buckle 1211, and the first clamping buckle 1211 is clamped with the first clamping block 1111 in a matched mode. The connecting boss 122 is in interference connection with the inner side wall of the first end 111.

The middle fixing frame 13 is used for fixing the battery 200 and the circuit board, the middle fixing frame 13 is disposed in the housing 11, and two ends of the middle fixing frame 13 are a third end 131 and a fourth end 132 respectively. The third end 131 is provided with a second protruded clamping leg 1311, the outer side wall of the second clamping leg 1311 is provided with a second protruded latch 13111, and the second latch 13111 is matched and clamped with the second latch 1112. The middle fixing frame 13 is further provided with a clamping edge 133, the length direction of the clamping edge 133 is consistent with the direction of the middle fixing frame 13, and the clamping edge 133 is positioned and clamped with the clamping groove 113.

The upper fixing frame 14 is used for fixing the motor 300, the upper fixing frame 14 is disposed in the housing 11, a fifth end 141 and a sixth end 142 are respectively disposed at two ends of the upper fixing frame 14, and the fifth end 141 is connected to the fourth end 132. The brush head 15 is disposed outwardly of the second end 112, and the brush head 15 is coupled to the sixth end 142 via the motor 300.

The electric toothbrush with reliable connection is positioned and clamped with the first clamping block 1111 of the shell 11 through the first buckle 1211 of the bottom layer fixing frame 12, positioned and clamped with the second clamping block 1112 of the shell 11 through the second buckle 13111 of the middle fixing frame 13, positioned and clamped in the clamping groove 113 of the shell 11 through the clamping edge 133 of the middle fixing frame 13, and in interference connection with the inner side wall of the first end 111 of the shell 11 through the connecting convex column 122 of the bottom layer fixing frame 12. The electric toothbrush with reliable connection is reliable in connection and effectively prolongs the service life.

Referring to fig. 4, the inner wall of the first end 111 is further provided with a first positioning groove 1113, the position of the first positioning groove 1113 corresponds to the position of the first buckle 1211, the inner wall of the first end 111 is further provided with a second positioning groove 1114, and the position of the second positioning groove 1114 corresponds to the position of the second buckle 13111. The structure enables the first latch 1211 and the first catch 1111 to be accurately clamped, and enables the second latch 13111 and the second catch 1112 to be accurately clamped.

Please refer to fig. 5 in conjunction with fig. 2. The bottom layer fixing frame 12 is provided with a convex clamping step 123 along the circumferential direction, and the edge of the first end 111 is positioned and abutted on one side of the clamping step 123. This structure makes the assembly process of the bottom layer fixing frame 12 and the housing 11 more accurate.

Please refer to fig. 4 and fig. 8, in conjunction with fig. 2. The second end 112 is provided inside with a hollow post 1121 extending toward the first end 111, the sixth end 142 is provided with a flange 1421 along the circumference thereof, and the flange 1421 is in limit abutment with the hollow post 1121. This structure makes the housing 11 and the upper fixing frame 14 fixed stably.

Referring to fig. 6, the electric toothbrush with reliable connection further includes a fixing plate 16, the fixing plate 16 is used for fixing the circuit board, the fixing plate 16 is disposed at one side of the middle fixing frame 13, and a length direction of the fixing plate 16 is identical to a length direction of the middle fixing frame 13. The third end 131 is provided with a protruding fastening portion 1312, a fixing groove 1313 is formed between the fastening portion 1312 and one end of the fixing plate 16 located at the third end 131, and one end of the charging interface 100 is disposed in the fixing groove 1313 in an interference manner. This structure makes charging interface 100 fixed and stable.

Referring to fig. 6, a protrusion 1001 is disposed on a side surface of the charging interface 100, a clamping hole 161 is disposed at one end of the fixing plate 16 close to the bottom fixing frame 12, and the protrusion 1001 is positioned and clamped in the clamping hole 161. This structure further makes charging interface 100 stationary and stable.

Referring to fig. 7, the battery 200 is cylindrical, the middle fixing frame 13 is provided with an accommodating groove 134 for accommodating the battery 200, the shape of the accommodating groove 134 matches the shape of the battery 200, the length direction of the accommodating groove 134 is the same as the length direction of the middle fixing frame 13, and the top edge of the accommodating groove 134 is provided with two symmetrical clamping blocks 1341. This structure makes the battery 200 stable.

Referring to fig. 7, the receiving groove 134 is provided with a through hole 1342 corresponding to the locking block 1341. The through hole 1342 of this structure may not only be used to disassemble the battery 200, but also play a role in heat dissipation.

Referring to fig. 7, the depth of the two ends of the receiving groove 134 is a, the diameter of the battery 200 is B, and 0.5B < a < B. This structure facilitates the detachment of the battery 200 and makes the battery 200 stably fixed.

Referring to fig. 7 and 8, the electric toothbrush with reliable connection further includes a rubber stopper 17, the rubber stopper 17 is provided with a through clamping hole 171 along an axial direction thereof, and one end of the main body of the motor 300 is positioned in the clamping hole 171. The rubber stopper 17 is provided with a positioning edge 172 along its circumferential direction. The fourth end 132 is provided with a plug groove 1321 along the axial direction thereof, the rubber stopper 17 is arranged in the plug groove 1321, and the positioning edge 172 is in limit abutment with the edge of the fourth end 132. The fifth end 141 is provided with two protruding clamping plates 1411 which are symmetrically distributed, a slot 1412 is formed between the two clamping plates 1411, and the other end of the main body part of the motor 300 is arranged in the slot 1412 in an interference manner. The above structure makes the main body of the motor 300 fixed stably.

The assembly process of the electric toothbrush with reliable connection of the utility model comprises the following steps:

the first step is as follows: fixing one end of the main body of the motor 300 in the slot 1412 of the upper fixing frame 14;

the second step is that: fixing the rubber stopper 17 in the stopper slot 1321 of the intermediate fixing frame 13;

the third step: the other end of the main body of the motor 300 is inserted into the chucking hole 171 of the rubber stopper 17;

the fourth step: fixing the rubber stopper 17 on the fourth end 132 of the intermediate fixing frame 13;

the fifth step: the fixed structure is placed in the shell 11, the second buckle 13111 and the second fixture block 1112 are clamped and positioned, and the clamping edge 133 and the clamping groove 113 are clamped and positioned;

and a sixth step: the bottom layer fixing frame 12 is placed inside the housing 11, and the second latch 13111 is positioned and locked with the second catch 1112.

This completes the assembly process of the electric toothbrush of the preferred embodiment with reliable connection.

In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.

Claims

1. A securely connected electric toothbrush, comprising:

2. The securely connected electric toothbrush according to claim 1, wherein the bottom layer fixing frame is provided with a protruding clamping step along a circumferential direction thereof, and an edge of the first end is positioned to abut against one side of the clamping step.

3. The electric toothbrush with reliable connection as claimed in claim 1, wherein the second end is provided with a hollow convex pillar extending towards the first end inside, the sixth end is provided with a convex edge along the circumference, and the convex edge is in limit abutment with the hollow convex pillar.

4. The securely connected electric toothbrush according to claim 1,

the reliably-connected electric toothbrush further comprises a fixing plate, the fixing plate is used for fixing the circuit board, the fixing plate is arranged on one side of the middle fixing frame, and the length direction of the fixing plate is consistent with that of the middle fixing frame;

5. The electric toothbrush with reliable connection as claimed in claim 4, wherein a protrusion is disposed on a side surface of the charging interface, a clamping hole is disposed at an end of the fixing plate close to the bottom fixing frame, and the protrusion is positioned and clamped in the clamping hole.

6. The electric toothbrush with reliable connection according to claim 1, wherein the battery is cylindrical, the middle fixing frame is provided with a receiving groove for placing the battery, the shape of the receiving groove matches with the battery, the length direction of the receiving groove is consistent with the length direction of the middle fixing frame, and the top edge of the receiving groove is provided with two symmetrical clamping blocks.

7. The electric toothbrush with reliable connection as claimed in claim 6, wherein the receiving groove is provided with a through hole corresponding to the position of the engaging block.

8. The electric toothbrush with reliable connection according to claim 6, wherein the depth of both ends of the receiving groove is A, the diameter of the battery is B, and 0.5B < A < B.

9. The securely connected electric toothbrush according to claim 1,

10. The electric toothbrush with reliable connection according to claim 1, wherein the inner wall of the first end is further provided with a first positioning groove corresponding to the first buckle, and the inner wall of the first end is further provided with a second positioning groove corresponding to the second buckle.