Electric toothbrush pressure sensing device and electric toothbrush

Abstract

The invention relates to the technical field of electric toothbrushes, and discloses an electric toothbrush pressure sensing device and an electric tooth.The electric toothbrush pressure sensing device comprises a shell, a sealing ring is arranged in one end of the shell, a rubber ring for improving the sealing performance is arranged in the sealing ring, a supporting frame is fixedly installed in the shell, and a partition plate is fixedly installed in the middle of the supporting frame; a retarding assembly is arranged on one side of the partition plate, a motor is fixedly installed on the surface of the retarding assembly, a clamping rod is fixedly installed at the output end of the motor, and a brush head is clamped to the surface of the clamping rod. According to the technical scheme, the sealing ring and the rubber ring are arranged at the joint of the brush head and the shell, the sealing performance in the shell is improved, the situation that water flows into the shell to affect the pressure sensing device during tooth brushing is reduced, the retarding assembly is installed at the bottom of the motor, and the situation that the pressure sensing device is damaged when the motor drives the brush head to vibrate is reduced. The influence on the pressure sensing device is avoided, and the sensing accuracy of the pressure sensing device in use is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of electric toothbrushes, and particularly to a pressure sensing device for an electric toothbrush and an electric toothbrush. Background Technique

[0002] With the improvement of living standards, oral health has been paid more and more attention by people, and various oral cleaning tools emerge in an endless stream. In order to better clean teeth, electric toothbrushes have emerged. However, a pressure sensing device is provided inside the existing electric toothbrush, and the pressure sensing device vibrates along with the vibration frequency of the electric toothbrush, reducing the sensing accuracy of the pressure sensing device. Moreover, the battery inside the electric toothbrush needs to be replaced regularly after long-term use, and removing the battery requires turning multiple bolts, which is inconvenient for disassembly. Summary of the Invention

[0003] The purpose of the present invention is to provide a pressure sensing device for an electric toothbrush and an electric toothbrush to solve the problems raised in the above background technique.

[0004] To solve the above technical problems, the present invention is realized through the following technical solutions: The present invention is a pressure sensing device for an electric toothbrush, including a housing. Inside one end of the housing, a sealing ring is provided, and inside the sealing ring, a rubber ring for improving the sealing performance is provided. A support frame is fixedly installed inside the housing. In the middle of the support frame, a partition is fixedly installed. On one side of the partition, a buffering component is provided. On the surface of the buffering component, a motor is fixedly installed. At the output end of the motor, a clamping rod is fixedly installed. A toothbrush head is clamped on the surface of the clamping rod. On the other side of the surface of the partition, a positioning block is provided. On the surface of the positioning block, an installation component is fixedly installed. A battery is clamped inside the installation component. On both sides of the inner wall of the support frame, a combing component is fixedly installed. On both sides of the top of the support frame, a protection block is fixedly installed. On the surface of the protection block, a control board is fixedly installed. On the surface of the control board, a pressure sensor is provided. The transmission end of the pressure sensor is electrically connected to a start button through a power cord.

[0005] The buffering component includes a telescopic rod fixedly installed on one side of the surface of the partition. A spring is sleeved on the surface of the telescopic rod. One end of the telescopic rod is fixedly installed with a limiting plate. On the surface of the limiting plate, a buffering pad is fixedly installed. The surface of the buffering pad is connected to the bottom of the motor.

[0006] The installation component includes an installation cylinder fixedly installed on the surface of the positioning block. On both sides of the surface of the installation cylinder, guiding grooves are provided. On both sides inside the guiding grooves, rotating grooves are provided. Inside the rotating grooves, a rotating rod is rotatably connected. On the surface of the rotating rod, a rotating plate is fixedly installed. At one end of the rotating plate, a clamping block is fixedly installed. At the other end of the rotating plate, tapered blocks are arranged oppositely.

[0007] The carding component includes L-shaped plates fixedly installed on both sides inside the support frame. On both sides of the surface of the L-shaped plates, resilient plates are fixedly installed. On both sides of the surface of the L-shaped plates, positioning grooves are provided, and limit bolts are fixedly installed inside the positioning grooves.

[0008] Furthermore, embedding grooves are provided on the surface of the damping pad. The size of the embedding grooves is adapted to the diameter of the bottom of the motor, and the motor is snap-fitted inside the embedding grooves.

[0009] Furthermore, a positioning ring is fixedly installed on the surface of the battery. The surface of the positioning ring is in contact with the surface of the snap-fitting block. The diameter of the positioning ring is adapted to the inner diameter of the support frame, and the positioning ring can support the battery.

[0010] Furthermore, one end of the battery is in contact with the surface of the tapered block, and one end of the battery presses the tapered block to both sides.

[0011] Furthermore, a cross plate is fixedly installed between the support frames, and a pressing key is fixedly installed on the surface of the cross plate. The pressing key is directly below the start key.

[0012] Furthermore, a guide rod is fixedly installed at one end of the brush head. The diameter of the guide rod is adapted to the inner diameter of the rubber ring, and the guide rod is snap-fitted inside the rubber ring. The rubber ring seals between the guide rod and the housing.

[0013] Furthermore, a charging base is fixedly installed at the bottom of the housing. The inside of the charging base is connected to the other end of the battery, and the charging base can transmit electric energy into the battery.

[0014] Furthermore, a power cord for transmitting electric energy exists between the battery and the motor. The power cord inside the support frame is inside the resilient plate, and the resilient plate and the L-shaped plate cooperate to restrain the power cord.

[0015] The present invention also provides an electric toothbrush, including the electric toothbrush pressure sensing device of any of the foregoing embodiments.

[0016] The present invention has the following beneficial effects: By providing the sealing ring and the rubber ring at the connection between the brush head and the housing, the present invention improves the sealing performance inside the housing and reduces the occurrence of water flowing into the housing during brushing and affecting the pressure sensing device.

[0017] In the present invention, a damping component is installed at the bottom of the motor. After the motor is started, the motor will drive the limiting plate to shake through the damping pad. When the limiting plate shakes, the telescopic rod will drive the spring to expand and contract. When the spring expands and contracts, it will rebound and reset due to its characteristics, and drive the damping pad on the limiting plate through the telescopic rod to reduce the shaking. The vibration of the motor is reduced accordingly. The vibration received by the pressure sensing device will also be reduced, reducing the impact on the pressure sensing device when the motor drives the brush head to vibrate, and improving the sensing accuracy of the pressure sensing device during use.

[0018] The present invention is provided with an installation component. When replacing the battery, one end of the battery is inserted into the interior of the installation cylinder. When inserting, the rotating rod will drive the rotating plate to rotate. When the rotating plate rotates, the clamping block will be clamped on the positioning ring of the battery, positioning the battery, improving the efficiency of replacing the battery when its service life decreases later, and reducing the use of bolts, saving the manufacturing cost of the electric toothbrush.

[0019] In the present invention, there is a power cord inside the electric toothbrush. The power cords inside the electric toothbrush are sorted out, reducing the situation that the power cord joints break due to vibration between the power cords, and indirectly improving the service life of the electric toothbrush.

[0020] Of course, it is not necessary for any product implementing the present invention to achieve all the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the disassembled structure of the present invention; Figure 3 It is a schematic diagram of the structure of the control board placement of the present invention; Figure 4 It is a schematic diagram of the structure of the damping component of the present invention; Figure 5 It is a schematic diagram of the structure of the installation component of the present invention; Figure 6 For the present invention Figure 2 It is a schematic diagram of the enlarged view at position A in the present invention.

[0023] In the attached drawings, the list of components represented by each reference numeral is as follows: In the figure: 1, housing; 2, sealing ring; 3, rubber ring; 4, support frame; 5, partition; 6, damping component; 61, telescopic rod; 62, spring; 63, limit plate; 64, damping pad; 7, motor; 8, clamping rod; 9, brush head; 10, positioning block; 11, mounting component; 111, mounting cylinder; 112, rotating rod; 113, rotating plate; 114, clamping block; 115, tapered block; 12, battery; 13, combing component; 131, L-shaped plate; 132, resilient plate; 133, limit bolt; 14, protection block; 15, control board; 16, pressure sensor; 17, start button; 18, positioning ring; 19, horizontal plate; 20, pressing key; 21, guide rod; 22, charging base. Detailed implementation

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0025] Please refer to Figures 1-6 As shown, the present invention is an electric toothbrush pressure sensing device and an electric toothbrush, including a housing 1. A charging base 22 is fixedly installed at the bottom of the housing 1. The inside of the charging base 22 is connected to the other end of the battery 12. The charging base 22 can transmit electric energy into the battery 12. The inside of the charging base 22 is connected to the power cord at one end of the battery 12. When the electric toothbrush needs to be charged, the charging base 22 can transmit electric energy, transmit the electric energy into the battery 12, the battery 12 stores the electric energy, and the charging base 22 can support the electric toothbrush, improving the stability when the electric toothbrush is placed.

[0026] A sealing ring 2 is arranged inside one end of the housing 1. A rubber ring 3 for improving the sealing performance is arranged inside the sealing ring 2. One end of the brush head 9 is fixedly installed with a guide rod 21. The diameter of the guide rod 21 is adapted to the inner diameter of the rubber ring 3. The guide rod 21 is clamped inside the rubber ring 3. The rubber ring 3 seals between the guide rod 21 and the housing 1. The sealing ring 2 seals the inside of the housing 1, reducing the occurrence of water entering the inside of the housing 1. Moreover, the rubber ring 3 and the guide rod 21 are in mutual contact, which can block the water flowing along the guide rod 21, improving the sealing performance of the housing 1 and the service life of the electric toothbrush.

[0027] Inside the housing 1, a support frame 4 is fixedly installed. In the middle of the support frame 4, a partition 5 is fixedly installed. On one side of the partition 5, a damping component 6 is arranged. On the surface of the damping component 6, a motor 7 is fixedly installed. At the output end of the motor 7, a clamping rod 8 is fixedly installed. The surface of the clamping rod 8 is clamped with a brush head 9. On the other side of the surface of the partition 5, a positioning block 10 is arranged. On the surface of the positioning block 10, a mounting component 11 is fixedly installed. Inside the mounting component 11, a battery 12 is clamped. On both sides of the inner wall of the support frame 4, a combing component 13 is fixedly installed; The motor 7 can transmit power to the guide rod 21. The guide rod 21 drives the brush head 9 to vibrate, cleaning the user's oral cavity. Moreover, the output end of the motor 7 is set as a clamping rod 8, which improves the efficiency of the user to replace the brush head 9.

[0028] On both sides of the top of the support frame 4, protective blocks 14 are fixedly installed. On the surface of the protective blocks 14, a control board 15 is fixedly installed. On the surface of the control board 15, a pressure sensor 16 is arranged. The transmission end of the pressure sensor 16 is electrically connected to a start button 17 through a power cord. A cross plate 19 is fixedly installed between the support frames 4. On the surface of the cross plate 19, a pressing key 20 is fixedly installed. The pressing key 20 is directly below the start button 17; During the use of the electric toothbrush, the user holds the housing 1 by hand, and then presses the start button 17 with a finger. After the start button 17 is pressed, it will press the pressing key 20 directly below it. Moreover, the start button 17 will transmit a signal to the pressure sensor 16. The pressure sensor 16 controls the vibration frequency of the motor 7 according to the number of presses. The user controls the vibration frequency of the motor 7 according to the indicator light flashing on the surface of the housing 1, improving the convenience of using the electric toothbrush.

[0029] The damping component 6 includes a telescopic rod 61 fixedly installed on one side of the surface of the partition 5. A spring 62 is sleeved on the surface of the telescopic rod 61. One end of the telescopic rod 61 is fixedly installed with a limit plate 63. On the surface of the limit plate 63, a damping pad 64 is fixedly installed. The surface of the damping pad 64 is connected to the bottom of the motor 7. Embedding grooves are formed on the surface of the damping pad 64. The size of the embedding grooves is adapted to the diameter of the bottom of the motor 7. The motor 7 is clamped inside the embedding grooves; After starting the motor 7, the motor 7 will drive the limit plate 63 to shake through the damping pad 64. When the limit plate 63 shakes, it will drive the spring 62 to stretch and contract through the telescopic rod 61. When the spring 62 stretches and contracts, it will rebound and reset due to its characteristics, driving the damping pad 64 on the limit plate 63 to reduce shaking through the telescopic rod 61. The vibration of the motor 7 is reduced accordingly. The vibration received by the pressure sensing device will also be reduced accordingly, indirectly improving the accuracy of the pressure sensing device.

[0030] The installation component 11 includes an installation cylinder 111 fixedly installed on the surface of the positioning block 10. Guide grooves are provided on both sides of the surface of the installation cylinder 111. Rotation grooves are provided on both sides inside the guide grooves. A rotating rod 112 is rotatably connected inside the rotation groove. A rotating plate 113 is fixedly installed on the surface of the rotating rod 112. A clamping block 114 is fixedly installed at one end of the rotating plate 113. A conical block 115 is arranged oppositely at the other end of the rotating plate 113. A positioning ring 18 is fixedly installed on the surface of the battery 12. The surface of the positioning ring 18 is in contact with the surface of the clamping block 114. The diameter of the positioning ring 18 is adapted to the inner diameter of the support frame 4. The positioning ring 18 can support the battery 12. One end of the battery 12 is in contact with the surface of the conical block 115. One end of the battery 12 squeezes the conical block 115 to both sides.

[0031] After the battery 12 has been used for a long time and needs to be replaced, first, the operator disassembles the battery 12. After disassembling the battery 12, a new battery 12 is replaced. Subsequently, one end of the battery 12 is inserted into the interior of the installation cylinder 111. When inserting, one end of the battery 12 will squeeze the conical block 115. After being squeezed, the conical block 115 will drive the rotating plate 113 to rotate through the rotating rod 112. When the rotating plate 113 rotates, the clamping block 114 at one end thereof will be clamped on the positioning ring 18 of the battery 12. The clamping block 114 positions the battery 12, and the positioning ring 18 is connected to the interior of the support frame 4. The positioning ring 18 can support the battery 12.

[0032] The combing component 13 includes L-shaped plates 131 fixedly installed on both sides inside the support frame 4. Rebound plates 132 are fixedly installed on both sides of the surface of the L-shaped plates 131. Positioning grooves are provided on both sides of the surface of the L-shaped plates 131. Limit bolts 133 are fixedly installed inside the positioning grooves. There is a power cord between the battery 12 and the motor 7 for transmitting electric energy. The power cord inside the support frame 4 is located inside the rebound plates 132. The rebound plates 132 and the L-shaped plates 131 cooperate to restrain the power cord. There are many power cords inside the support frame 4. First, the operator installs the L-shaped plates 131 through the limit bolts 133. After installing the L-shaped plates 131, the operator places the power cords inside the L-shaped plates 131. The rebound plates 132 on both sides of the surface of the L-shaped plates 131 will clamp the power cords. The L-shaped plates 131 and the rebound plates 132 cooperate with each other to comb and limit the power cords.

[0033] During the use of the electric toothbrush, the user will hold the handheld housing 1, and then press the start button 17 with a finger. After the start button 17 is pressed, it will press the pressing key 20 directly below, and the start button 17 will transmit a signal to the pressure sensor 16. The pressure sensor 16 controls the vibration frequency of the motor 7 according to the number of presses. The user controls the vibration frequency of the motor 7 according to the indicator light flashing on the surface of the housing 1. After starting the motor 7, the motor 7 will drive the limiting plate 63 to shake through the damping pad 64. When the limiting plate 63 shakes, it will drive the spring 62 to expand and contract through the telescopic rod 61. When the spring 62 expands and contracts, it will rebound and reset due to its characteristics, and drive the damping pad 64 on the limiting plate 63 to reduce the shaking through the telescopic rod 61, and the vibration of the motor 7 will be reduced accordingly. When the vibration of the motor 7 is reduced, the vibration received by the pressure sensing device will also be reduced. And the user places the power cord inside the L-shaped plate 131, and the rebound plates 132 on both sides of the surface of the L-shaped plate 131 will clamp the power cord. The L-shaped plate 131 and the rebound plate 132 cooperate with each other to comb and limit the power cord. After the battery 12 has been used for a long time, the user disassembles the battery 12. After disassembling the battery 12, a new battery 12 is replaced. Then, one end of the battery 12 is inserted into the inside of the installation cylinder 111. When inserting, one end of the battery 12 will squeeze the conical block 115. After the conical block 115 is squeezed, it will drive the rotating plate 113 to rotate through the rotating rod 112. When the rotating plate 113 rotates, the clamping block 114 at one end of it will be clamped on the positioning ring 18 of the battery 12. The clamping block 114 positions the battery 12, and the positioning ring 18 is connected to the inside of the support frame 4. The positioning ring 18 can support the battery 12. After the electric energy in the battery 12 is consumed, the charging base 22 can transmit the electric energy and transmit it to the inside of the battery 12. The battery 12 stores the electric energy, and the charging base 22 can support the electric toothbrush.

[0034] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific embodiments described. Obviously, many modifications and changes can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principle and practical application of the present invention, so that those skilled in the art can understand and utilize the present invention well. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A pressure sensing device for an electric toothbrush, comprising a housing (1), characterized in that: A sealing ring (2) is arranged inside one end of the shell (1), a rubber ring (3) for improving sealing performance is arranged inside the sealing ring (2), a support frame (4) is fixedly installed inside the shell (1), a partition (5) is fixedly installed in the middle of the support frame (4), a mitigation component (6) is arranged on one side of the partition (5), a motor (7) is fixedly installed on the surface of the mitigation component (6), a clamping rod (8) is fixedly installed on the output end of the motor (7), a brush head (9) is clamped on the surface of the clamping rod (8), and a brush head (9) is arranged on the other side of the surface of the partition (5). A positioning block (10), a mounting assembly (11) being fixedly mounted on the surface of the positioning block (10), a battery (12) being clamped inside the mounting assembly (11), combing assemblies (13) being fixedly mounted on both sides of the inner wall of the support frame (4), a protection block (14) being fixedly mounted on both sides of the top of the support frame (4), a control board (15) being fixedly mounted on the surface of the protection block (14), a pressure sensor (16) being arranged on the surface of the control board (15), and a transmission end of the pressure sensor (16) being electrically connected to a start button (17) via a power line; The mitigation assembly (6) comprises a telescopic rod (61) fixedly mounted on one side of the surface of the partition (5), a spring (62) being sleeved on the surface of the telescopic rod (61), a limit plate (63) being fixedly mounted on one end of the telescopic rod (61), a mitigation pad (64) being fixedly mounted on the surface of the limit plate (63), and a surface of the mitigation pad (64) being connected to the bottom of the motor (7); The mounting assembly (11) comprises a mounting tube (111) fixedly mounted on the surface of the positioning block (10); guide grooves are provided on both sides of the surface of the mounting tube (111); rotation grooves are provided on both sides of the guide grooves; a rotation rod (112) is rotationally connected to the rotation grooves; a rotation plate (113) is fixedly mounted on the surface of the rotation rod (112); a clamping block (114) is fixedly mounted on one end of the rotation plate (113); and a conical block (115) is provided opposite to the other end of the rotation plate (113); The combing assembly (13) comprises an L-shaped plate (131) fixedly mounted on both sides of the interior of the support frame (4), rebound plates (132) being fixedly mounted on both sides of the surface of the L-shaped plate (131), positioning grooves being provided on both sides of the surface of the L-shaped plate (131), and limit bolts (133) being fixedly mounted inside the positioning grooves.

2. The pressure sensing device for an electric toothbrush according to claim 1, characterized in that: An embedding groove is provided on the surface of the mitigation pad (64), the size of the embedding groove being adapted to the diameter of the bottom of the motor (7), and the motor (7) is clamped inside the embedding groove.

3. The pressure sensing device for an electric toothbrush according to claim 1, characterized in that: A positioning ring (18) is fixedly mounted on the surface of the battery (12); the surface of the positioning ring (18) is in contact with the surface of the clamping block (114); the diameter of the positioning ring (18) is matched to the inner diameter of the support frame (4); and the positioning ring (18) can support the battery (12).

4. The pressure sensing device for an electric toothbrush according to claim 1, characterized in that: One end of the battery (12) contacts the surface of the conical block (115), and one end of the battery (12) presses the conical block (115) toward both sides.

5. The pressure sensing device for an electric toothbrush according to claim 1, characterized in that: A transverse plate (19) is fixedly mounted between the support frames (4), a pressing key (20) is fixedly mounted on the surface of the transverse plate (19), and the pressing key (20) is located directly below the start button (17).

6. The pressure sensing device for an electric toothbrush according to claim 1, characterized in that: A guide rod (21) is fixedly mounted on one end of the brush head (9); the diameter of the guide rod (21) matches the inner diameter of the rubber ring (3); the guide rod (21) is clamped inside the rubber ring (3); and the rubber ring (3) seals between the guide rod (21) and the housing (1).

7. The pressure sensing device for an electric toothbrush according to claim 1, characterized in that: A charging base (22) is fixedly mounted on the bottom of the housing (1); the interior of the charging base (22) is connected to the other end of the battery (12); and the charging base (22) can transmit electrical energy to the interior of the battery (12).

8. The pressure sensing device for an electric toothbrush according to claim 1, characterized in that: A power line for transmitting electric energy exists between the battery (12) and the motor (7); the power line inside the support frame (4) is inside the rebound plate (132); the rebound plate (132) and the L-shaped plate (131) cooperate to restrain the power line.

9. An electric toothbrush, characterized in that: It comprises the pressure sensing device of an electric toothbrush as claimed in any one of claims 1 to 8.

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