Toothbrush handle and electric toothbrush

Abstract

The utility model provides a toothbrush handle and an electric toothbrush, and belongs to the technical field of toothbrushes, the toothbrush handle comprises a brush handle body, the brush handle body is internally provided with a mounting cavity, the mounting cavity is internally provided with a sensor, and the sensor is electrically connected with a control module; the control knob is rotationally arranged on the brush handle body, the control knob can be pressed and rebounded relative to the brush handle body, and a control piece is fixedly arranged on the control knob and extends into the mounting cavity; when the toothbrush handle does not work, the control knob is pressed down, the sensor receives an electric signal, the toothbrush handle starts to work, and the vibration frequency of the toothbrush is changed along with rotation of the control knob; when the toothbrush handle works, the control knob is pressed down, so that the sensor receives an electric signal, and the toothbrush handle stops working; the toothbrush has the advantages that stepless adjustment of the vibration frequency of the toothbrush handle is realized by rotating the control knob, so that adjustment of any vibration frequency can be realized in the tooth brushing process of the toothbrush; and the switch control of the toothbrush is also integrated on the control knob, so that the overall structure of the toothbrush handle is simplified, and the appearance of the toothbrush is simpler.

Description

Technical Field

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

[0002] With the improvement of living standards, people are paying more and more attention to oral health. As a new era oral care tool, electric toothbrushes have perfectly embedded wisdom and technology into life with their super cleaning ability, super comfortable user experience, and super convenient usage methods, and have won unanimous recognition from consumers. However, the vibration frequency of existing electric toothbrushes is difficult to adjust. Each adjustment requires pressing the corresponding adjustment button, and each adjustment knob can only correspond to a fixed vibration frequency, and it is impossible to adjust any vibration frequency, resulting in a poor user experience. Utility Model Content

[0003] The utility model aims to solve the above problems in the prior art and proposes a toothbrush handle capable of infinitely adjusting the vibration frequency.

[0004] The purpose of the utility model can be achieved through the following technical solutions: a toothbrush handle, comprising:

[0005] The brush handle body is provided with a mounting cavity therein, a sensor is provided in the mounting cavity, and the sensor is electrically connected to the control module;

[0006] A control knob is rotatably arranged on the brush handle body, and the control knob can be pressed and rebounded relative to the brush handle body, and a control member is fixedly arranged on the control knob and extends into the mounting cavity;

[0007] Wherein, when the toothbrush handle is not working, the control knob is pressed to make the sensor receive an electrical signal, and the toothbrush handle starts to work, and as the control knob is turned, the vibration frequency of the toothbrush changes accordingly;

[0008] When the toothbrush handle is working, the control knob is pressed to make the sensor receive an electrical signal, and the toothbrush handle stops working.

[0009] In the above-mentioned toothbrush handle, the sensor is a potentiometer, and a contact is provided on the control member. When the control knob is pressed to make the contact electrically contact with the potentiometer, the toothbrush handle starts working or stops working.

[0010] In the above-mentioned toothbrush handle, the control part includes a control rod that moves linearly, one end of the control rod is fixed to the control knob, the other end of the control rod extends into the installation cavity, and the contact is arranged at the other end of the control rod. Each time the control knob is pressed, the contact on the other end of the control rod contacts the potentiometer.

[0011] In the above-mentioned toothbrush handle, a connecting through hole is provided on the handle body, the other end of the control rod passes through the connecting through hole and extends into the mounting cavity, and a sealing member is provided between the control knob and the handle body.

[0012] In the above-mentioned toothbrush handle, the seal includes two sealing parts, each of which is against the corresponding control knob and the brush handle body, and each of the sealing parts includes at least one sealing pin ring, one end of each of the sealing pin rings is fixedly connected to each other, and the other end of each of the sealing pin rings is against the corresponding control knob and the brush handle body.

[0013] In the above-mentioned toothbrush handle, a convex ring is provided on the outer wall of the brush handle body, and a step ring groove is provided on the control knob. The convex ring corresponds to the center of the step ring groove, and when the control knob is not pressed, the convex ring extends into the step ring groove; when the control knob is pressed, the convex ring abuts against the step surface of the step ring groove.

[0014] In the above-mentioned toothbrush handle, an anti-dropping member is provided on the control rod.

[0015] In the above-mentioned toothbrush handle, the anti-slip part includes an anti-slip rod, which is bent to form two symmetrical anti-slip parts, each of which includes a first abutting section and a second abutting section that are integrally arranged, and an active cavity is provided on the brush handle body, the first abutting section abuts against the inner wall of the active cavity and can move in the active cavity, and a clamping groove is provided at the other end of the control rod, and the second abutting section is clamped in the clamping groove.

[0016] In the above-mentioned toothbrush handle, a rebound spring is sleeved on the control rod, and two ends of the rebound spring are respectively against the control knob and the brush handle body.

[0017] An electric toothbrush comprises the toothbrush handle mentioned above.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] (1) By turning the control knob, the vibration frequency of the toothbrush handle can be infinitely adjusted, so that any vibration frequency can be adjusted during the brushing process of the toothbrush;

[0020] (2) When adjusting the vibration frequency of existing toothbrushes, it is necessary to determine whether the pressed knob corresponds to the correct vibration frequency. In the present application, the vibration frequency adjustment of the toothbrush is integrated into a control knob, which is easy to operate. When brushing teeth, just turn the control knob, which provides a better user experience.

[0021] (3) The switch control of the toothbrush is also integrated on the control knob, which simplifies the overall structure of the toothbrush handle and makes its appearance more concise. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional structural schematic diagram of a toothbrush handle;

[0023] Figure 2 is a schematic diagram of the cross-sectional structure of a toothbrush handle;

[0024] Figure 3 yes Figure 2 A local enlarged schematic diagram of the middle A;

[0025] Figure 4 It is a schematic diagram of the three-dimensional structure of the seal;

[0026] Figure 5 It is a schematic diagram of the internal structure of the control knob;

[0027] Figure 6 It is a schematic diagram of the assembly of the anti-dropping part and the control rod;

[0028] Figure 7 It is a three-dimensional structural diagram of an electric toothbrush.

[0029] In the figure, there are a brush handle body 100; a mounting cavity 101; a sensor 102; a control knob 103; a control member 104; a sealing member 105; a sealing pin ring 106; an anti-dropping member 107; a first abutting section 108; a second abutting section 109; a movable cavity 110; a convex ring 111; a step ring groove 112; a rebound spring 113; a circuit board 114; a sealing ring 115; and a snap-in groove 116. DETAILED DESCRIPTION

[0030] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0031] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0032] like Figure 1-Figure 6 As shown, a toothbrush handle comprises:

[0033] The brush handle body 100 is provided with a mounting cavity 101 therein, a sensor 102 is provided in the mounting cavity 101, and the sensor 102 is electrically connected to the control module;

[0034] A control knob 103 is rotatably disposed on the brush handle body 100 and can be pressed and rebounded relative to the brush handle body 100. A control member 104 is fixedly disposed on the control knob 103 and extends into the mounting cavity 101.

[0035] When the toothbrush handle is not working, the control knob 103 is pressed to make the sensor 102 receive an electrical signal, and the toothbrush handle starts to work. As the control knob 103 is turned, the vibration frequency of the toothbrush changes accordingly.

[0036] When the toothbrush handle is working, the control knob 103 is pressed to make the sensor 102 receive an electrical signal, and the toothbrush handle stops working.

[0037] In this embodiment, the vibration frequency of the toothbrush handle is infinitely adjusted by rotating the control knob 103, so that any vibration frequency can be adjusted during the brushing process of the toothbrush; when adjusting the vibration frequency, the existing toothbrush needs to determine whether the pressed knob corresponds to the correct vibration frequency, while in the present application, the vibration frequency adjustment of the toothbrush is integrated on a control knob 103, which is easy to operate. You only need to turn the control knob 103 when brushing your teeth, which provides a better user experience; and the switch control of the toothbrush is also integrated on the control knob 103, which simplifies the overall structure of the toothbrush handle and makes its appearance more concise.

[0038] It is worth mentioning that the outer circumferential surface of the control knob 103 is also provided with anti-slip grooves.

[0039] Specifically, the sensor 102 is a potentiometer, and a contact is provided on the control member 104. When the control knob 103 is pressed to make the contact electrically contact with the potentiometer, the toothbrush handle starts working or stops working.

[0040] In this embodiment, the control knob 103 is pressed, the electric contact on the control member 104 contacts the potentiometer, and the control module receives the trigger signal of the potentiometer, causing the toothbrush handle to start vibrating. As the control member 104 rotates, the signal sent to the control module by the potentiometer changes. The control module controls the vibration source in the toothbrush handle to generate a corresponding vibration frequency according to the different signals received.

[0041] Specifically, the control member 104 includes a linearly movable control rod, one end of which is fixed to the control knob 103, and the other end of the control rod extends into the mounting cavity 101, and a contact is arranged at the other end of the control rod. Each time the control knob 103 is pressed, the contact on the other end of the control rod contacts the potentiometer.

[0042] In this embodiment, the control knob 103 is pressed, and the control rod fixed thereto moves downward, so that the contact point on the other end of the control rod contacts the potentiometer, and the toothbrush handle starts or stops working.

[0043] It is worth mentioning that the potentiometer can use an existing encoder switch, and a circuit board 114 is fixedly installed in the installation cavity 101. The encoder switch and the control module are both arranged on the circuit board 114, and a vibration motor is also arranged on the circuit board 114 or the vibration motor is electrically connected to the control module to realize the vibration of the toothbrush; the control rod includes a metal part and a plastic part connected to each other.

[0044] Preferably, a connecting through hole is provided on the brush handle body 100 , and the other end of the control rod extends through the connecting through hole into the installation cavity 101 , and a sealing member 105 is provided between the control knob 103 and the brush handle body 100 .

[0045] It is worth mentioning that, in order to increase the sealing effect, a sealing groove is provided on the control rod, a sealing ring 115 is provided in the sealing groove, and the sealing ring 115 abuts against the inner wall of the connecting through hole.

[0046] Further preferably, the seal 105 includes two sealing parts, each sealing part is against the corresponding control knob 103 and the brush handle body 100, and each sealing part includes at least one sealing pin ring 106, one end of each sealing pin ring 106 is fixedly connected to each other, and the other end of each sealing pin ring 106 is against the corresponding control knob 103 and the brush handle body 100.

[0047] It is worth mentioning that the outer ends of the sealing pin ring 106 are all flat.

[0048] In this embodiment, in order to prevent the existing sealing ring from being deformed by requiring a large force after the control button is pressed, so as to ensure that the control button can be moved to a preset stroke, two sealing parts are provided in the present application, each sealing part includes at least one sealing pin ring 106, and the sealing pin ring 106 in each sealing part corresponds to the sealing connection of the control knob 103 and the brush handle body 100, such as Figure 3-Figure 4 As shown, four sealing pin rings 106 are preferably provided, and the four sealing pin rings 106 are symmetrically arranged in pairs, so that each sealing part includes two sealing pin rings 106, ensuring the stable connection of the seal 105 between the control knob 103 and the brush handle body 100. Since only one end of each sealing pin ring 106 is fixed to each other, the other end thereof can be deformed under a small force, and will not impose a large obstacle to the movement of the control knob 103.

[0049] Further preferably, a convex ring 111 is provided on the outer wall of the brush handle body 100, and a step ring groove 112 is provided on the control knob 103. The convex ring 111 corresponds to the center of the step ring groove 112, and when the control knob 103 is not pressed, the convex ring 111 extends into the step ring groove 112; when the control knob 103 is pressed, the convex ring 111 abuts against the step surface of the step ring groove 112.

[0050] In this embodiment, the abutment setting between the protruding ring 111 and the step surface of the step ring groove 112 can limit the pressing distance of the control knob 103, and when the control knob 103 is not pressed, the protruding ring 111 extends into the step ring groove 112, and a labyrinth groove is formed between the outer wall of the protruding ring 111 and the groove wall of the step ring groove 112, which can also play a certain dustproof and waterproof function; and the cooperation between the protruding ring 111 and the step ring groove 112 can also surround and protect the sealing component 105.

[0051] Preferably, the control rod is provided with an anti-detachment member 107 to prevent the control rod from detaching from the toothbrush handle.

[0052] Further preferably, the anti-slip component 107 includes an anti-slip rod, which is bent to form two symmetrical anti-slip portions, each of which includes a first abutting segment 108 and a second abutting segment 109 that are integrally arranged, and an active cavity 110 is provided on the brush handle body 100. The first abutting segment 108 abuts against the inner wall of the active cavity 110 and can move in the active cavity 110. A clamping groove 116 is provided at the other end of the control rod, and the second abutting segment 109 is clamped in the clamping groove 116.

[0053] In this embodiment, the anti-slip rod is bent to form two symmetrical anti-slip portions, which are arranged on both sides of the control rod to ensure uniform force on the control rod. Each anti-slip portion includes an integrally arranged first abutment segment 108 and a second abutment segment 109. The shape of the first abutment segment 108 is adapted to a portion of the cavity wall of the movable cavity 110 to limit the movement of the anti-slip component 107 in a straight direction, and the maximum straight-line distance between the two first abutment segments 108 is greater than the diameter or side length of the connecting through hole.

[0054] It is worth mentioning that Figure 6 As shown, the two second abutting sections 109 are both straight sections. Preferably, the connection between the second abutting section 109 and the engaging groove 116 is bent into a shape matching the engaging groove 116 .

[0055] Specifically, a rebound spring 113 is sleeved on the control rod, and two ends of the rebound spring 113 are respectively against the control knob 103 and the brush handle body 100 .

[0056] In this embodiment, after the control button is pressed, the rebound spring 113 is compressed, so that when the control knob 103 is released, the elastic force of the rebound spring 113 is released, so that the control knob 103 returns to the initial position, thereby realizing the rebound of the control knob 103.

[0057] like Figure 7 As shown, an electric toothbrush comprises the toothbrush handle mentioned above.

[0058] It should be noted that in the present utility model, descriptions such as "first", "second", "one", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. The terms "connected", "fixed", etc. should be understood in a broad sense. For example, "fixed" can be a fixed connection, a detachable connection, or an integral whole; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0059] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0060] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A toothbrush handle, characterized in that: include: The brush handle body is provided with a mounting cavity therein, a sensor is provided in the mounting cavity, and the sensor is electrically connected to the control module; A control knob is rotatably arranged on the brush handle body, and the control knob can be pressed and rebounded relative to the brush handle body, and a control member is fixedly arranged on the control knob and extends into the mounting cavity; Wherein, when the toothbrush handle is not working, the control knob is pressed to make the sensor receive an electrical signal, and the toothbrush handle starts to work, and as the control knob is turned, the vibration frequency of the toothbrush changes accordingly; When the toothbrush handle is working, the control knob is pressed to make the sensor receive an electrical signal, and the toothbrush handle stops working.

2. A toothbrush handle according to claim 1, characterized in that: The sensor is a potentiometer, and a contact is arranged on the control member. When the control knob is pressed to make the contact electrically contact with the potentiometer, the toothbrush handle starts working or stops working.

3. A toothbrush handle according to claim 2, characterized in that: The control member includes a linearly movable control rod, one end of which is fixed to the control knob, the other end of which extends into the mounting cavity, and the contact is arranged at the other end of the control rod. Each time the control knob is pressed, the contact on the other end of the control rod contacts the potentiometer.

4. A toothbrush handle according to claim 3, characterized in that: A connecting through hole is provided on the brush handle body, and the other end of the control rod passes through the connecting through hole and extends into the installation cavity. A sealing member is provided between the control knob and the brush handle body.

5. A toothbrush handle according to claim 4, characterized in that: The seal includes two sealing parts, each of which is against the corresponding control knob and brush handle body, and each of the sealing parts includes at least one sealing pin ring, one end of each of the sealing pin rings is fixedly connected to each other, and the other end of each of the sealing pin rings is against the corresponding control knob and brush handle body.

6. A toothbrush handle according to claim 1 or 5, characterized in that: A convex ring is arranged on the outer wall of the brush handle body, and a step ring groove is arranged on the control knob. The convex ring corresponds to the center of the step ring groove, and when the control knob is not pressed, the convex ring extends into the step ring groove; when the control knob is pressed, the convex ring abuts against the step surface of the step ring groove.

7. A toothbrush handle according to claim 3, characterized in that: The control rod is provided with an anti-dropping piece.

8. A toothbrush handle according to claim 7, characterized in that: The anti-slip component includes an anti-slip rod, which is bent to form two symmetrical anti-slip portions, each of which includes a first abutting segment and a second abutting segment that are integrally arranged. An active cavity is provided on the brush handle body, and the first abutting segment abuts against the inner wall of the active cavity and can move in the active cavity. A clamping groove is provided at the other end of the control rod, and the second abutting segment is clamped in the clamping groove.

9. A toothbrush handle according to claim 3, characterized in that: A rebound spring is sleeved on the control rod, and two ends of the rebound spring are respectively against the control knob and the brush handle body.

10. An electric toothbrush, characterized in that: Comprising a toothbrush handle as described in any one of claims 1-9.

Images