Control valve mechanism and oral irrigator handle capable of controlling water flow to block communication

Abstract

The application provides a control valve mechanism and a shower handle capable of controlling water flow blockage communication, and belongs to the field of water flow cleaning control. The shower handle comprises a handle shell, a control valve mechanism, a nozzle and a water pipe mechanism. The water pipe mechanism and the nozzle are respectively communicated with the control valve mechanism, and the handle shell covers the above-mentioned structures to play a protection role and provide a holding role for a user. When the control valve mechanism is opened, the water pipe mechanism transmits the pulse water flow of a shower host to the nozzle through the control valve mechanism and then sprays out. When the control valve mechanism is closed, the transmission between the water pipe mechanism and the nozzle is blocked, and the water pipe mechanism is not affected by the water leakage caused by the pressure difference between the residual water amount of the water pipe mechanism and the water level of the shower host.

Description

Technical Field

[0001] This invention relates to the field of water flow cleaning control, and more particularly to a control valve mechanism and a water flosser handle capable of controlling the flow of water to block communication. Background Technology

[0002] A water flosser is an auxiliary tool for cleaning the oral cavity. It uses pulsating water jets to clean teeth and between teeth. It is mainly available in handheld and countertop models. The biggest advantage of countertop water flossers is their much larger water tank compared to portable models, making them suitable for multiple family members. It consists of a main unit and a handle. The main unit contains a pump mechanism that transmits water from the tank to the handle in the form of pulsating water jets. The handle has detachable nozzles, allowing different nozzles to be selected for different family members. However, existing countertop water flosser handle designs have some shortcomings, particularly in water flow control. Traditional handles use a single mechanical control to control the water flow, which cannot completely close the water flow. This poses a risk of leakage / dripping when the handle is below the water level in the main unit for extended periods (due to pressure differences caused by varying water levels). Furthermore, due to the handheld nature of water flosser handles, there are no commercially available control valves suitable for use on water flosser handles. Therefore, this invention was developed to address these issues. Summary of the Invention

[0003] One objective of this invention is to provide a control valve mechanism that can conveniently block and connect water flow.

[0004] The second objective of this invention is to provide a water flosser handle that can conveniently block and connect water flow.

[0005] To achieve one of the objectives of the invention, the present invention provides a control valve mechanism capable of controlling water flow to block communication, characterized in that it comprises:

[0006] A valve seat having at least an inlet chamber and a control chamber, wherein the inlet chamber and the control chamber are connected by a communication channel, and the control chamber has an installation port;

[0007] A control valve core is disposed in the control chamber through the mounting port. The control valve core has a force-applying part, which applies force to the water inlet chamber in a controllable manner.

[0008] A blocking seal includes a blocking sealing body and an elastic reset member. The blocking sealing body is disposed in the water inlet chamber and can be repositioned to block the communication channel through the elastic reset member. The blocking sealing body has a force-receiving part that is subjected to force by the force-applying part through the communication channel. After the blocking sealing body is subjected to force by the force-receiving part through the force-applying part, it moves to open the communication channel.

[0009] Preferably, the control valve core includes:

[0010] A valve core body having a radially gradually changing curved surface, wherein the force-applying part is implemented as the curved surface;

[0011] The control component includes a first arc-shaped tooth segment and a first straight tooth segment. The first arc-shaped tooth segment is disposed on the valve core body and located outside the mounting port. The first straight tooth segment meshes with the first arc-shaped tooth segment to drive the valve core body to rotate within the control chamber. The curved surface is gradually subjected to force on the force-receiving part by the rotation of the valve core body.

[0012] Preferably, the curved surface is provided with a limiting groove for the force-bearing part to be engaged, and when the force-bearing part is engaged in the limiting groove, the blocking and sealing body remains in the open state of the communication channel.

[0013] Preferably, the force-receiving part is implemented as a force-receiving rod, which passes through the connecting channel and is force-applied by the force-applying part to drive the blocking and sealing body to open the connecting channel.

[0014] Preferably, the diameter of the connecting channel is larger than the diameter of the force-bearing rod.

[0015] Preferably, the top of the blocking sealing body can be sealed in the communicating channel.

[0016] Preferably, the connecting channel includes a through hole and several connecting holes; the force-bearing rod is inserted into the through hole and is force-applied by the force-applying part; the connecting holes connect the control chamber and the water inlet chamber and are repositionably sealed by the blocking sealing body through an elastic reset member.

[0017] Preferably, the blocking sealing body is provided with a first blocking sealing ring near the connecting hole, and the first blocking sealing ring is repositionably sealed to the connecting hole by means of an elastic reset member.

[0018] Preferably, the top of the blocking sealing body can be sealed in the perforation, and / or, a contact seal is formed between the force-bearing rod and the perforation.

[0019] Preferably, the control valve mechanism further includes an installation branch pipe, which is provided with an installation bracket. One end of the installation branch pipe is connected to the water inlet chamber, and the other end is connected to the water pipe mechanism. The elastic reset member is disposed between the installation bracket and the blocking sealing body.

[0020] Preferably, the elastic reset element is a spring, which is installed between the mounting bracket and the blocking sealing body.

[0021] The above technical solutions, individually or in combination, exhibit the following beneficial effects:

[0022] The blocking and sealing body seals the channel between the water inlet chamber and the control chamber through an elastic reset element, which can completely isolate and block the water flow. When in use, the blocking and sealing body is forced by driving the control valve core, which opens the channel after the blocking and sealing body is opened to connect the two chambers, thereby achieving communication with the two chambers respectively. The structure is linearly arranged, simple, easy to operate, and can block the water flow without leakage.

[0023] The force-applying part is a curved surface with a gradually changing diameter. When the valve core body rotates, the diameter of the curved surface near the force-applying part gradually increases, gradually pressing the blocking and sealing body, so that the blocking and sealing body opens the communication channel. The process is smooth and convenient.

[0024] A limiting slot is provided at the point where the curved pressing force-bearing part can open the connecting channel, so that the force-bearing part can be locked in the limiting slot through the elastic support of the elastic reset part, keeping the connecting channel open, which facilitates the continuous flow of water and makes it convenient for users to perform continuous oral cleaning operations.

[0025] The control components achieve purely mechanical transmission through direct meshing of gear segments, eliminating the need for electrical structures on the handle, making it cost-effective and providing intuitive and efficient control.

[0026] To achieve the second objective of the invention, the present invention provides a water flosser handle capable of controlling the flow of water to block communication, characterized in that it includes a handle housing, a nozzle, a water pipe mechanism, and the aforementioned control valve mechanism capable of controlling the flow of water to block communication; the handle housing has an internal mounting cavity, a top mounting port at the top, and a bottom mounting port at the bottom; the control valve mechanism is disposed in the mounting cavity, the nozzle is connected to the control chamber through the top mounting port, and the water pipe mechanism is connected to the water inlet chamber and the water flosser main unit through the bottom mounting port.

[0027] The above technical solutions exhibit the following beneficial effects:

[0028] The blocking and sealing body seals the channel between the water inlet chamber and the control chamber through an elastic reset element, which can completely isolate and block the water flow. When in use, the blocking and sealing body is forced by driving the control valve core, which opens the channel after the blocking and sealing body is opened to connect the two chambers, thereby achieving communication with the two chambers respectively. The structure is linearly arranged, simple, easy to operate, and can block the water flow without leakage.

[0029] In the blocked state, even if there is a liquid level difference between the water inlet chambers of the main unit and the handle, the pressure formed by the liquid in the water inlet chamber on the blocking sealing body can better seal the connecting channel, forming a positive effect. Therefore, there is no risk of water leakage / dripping after the handle is lower than the water level in the main unit for a long time.

[0030] The components inside the handle are arranged linearly, conforming to the ergonomic design of the handle, making it more compact and easier to hold and use. Attached Figure Description

[0031] Figure 1 This diagram illustrates the structure of the water flosser handle in this invention.

[0032] Figure 2 An exploded view of the structure of the water flosser handle in this invention is shown.

[0033] Figure 3 The diagram illustrates the structure of the control valve mechanism in this invention.

[0034] Figure 4 The image shows a side view of the handle of the water flosser in this invention.

[0035] Figure 5 It expresses Figure 4 Sectional view of AA.

[0036] Figure 6 This is a cross-sectional perspective view showing the state of the control valve mechanism blocking the communication channel in this invention.

[0037] Figure 7 It expresses Figure 6 A magnified view of a portion of the image.

[0038] Figure 8 This is a cross-sectional perspective view showing the control valve mechanism in the present invention with the communication channel open.

[0039] Figure 9 It expresses Figure 8 Enlarged view of the middle section.

[0040] Figure 10 This diagram illustrates the relative positions of the valve core and the blocking sealing body in this invention.

[0041] Figure 11 This diagram illustrates the three-dimensional structure of the valve core in this invention.

[0042] Figure 12 This is a front view of the valve seat in this invention.

[0043] Figure 13 It expresses Figure 12 A cross-sectional view of BB.

[0044] Figure 14 This diagram illustrates the structure of the branch pipe installation in this invention.

[0045] Figure 15 The diagram illustrates the structure of the water pipe mechanism in this invention.

[0046] in:

[0047] Handle housing 1; First housing 11; Outer housing mounting port 111; Second housing 12; Top mounting port 13; Bottom mounting port 14; Valve seat 21; Inlet chamber 211; Control chamber 212; Mounting port 2121; Outlet chamber 213; Through hole 2141; Connecting hole 2142; Control valve core 22; Spindle 221; Force application part 2211; Limiting groove 2212; First spindle sealing ring 222; First spindle sealing groove 2221; Second spindle sealing ring 223; Second core Shaft sealing groove 2231; first arc-shaped toothed segment 224; mounting end plate 2241; blocking sealing body 23; force-bearing part 231; first blocking sealing ring 232; elastic reset element 24; mounting branch pipe 25; mounting bracket 251; push button 26; first straight toothed segment 261; nozzle 3; nozzle lock 31; water pipe mechanism 4; pipe core 41; first pipe core sealing groove 411; first pipe core sealing ring 412; connecting rigid pipe 42; tapered part 421; water pipe 43; protective bottom shell 44. Detailed Implementation

[0048] The preferred embodiments described below are merely examples, and other obvious variations will be apparent to those skilled in the art. The basic principles of the invention defined in the following description can be applied to other embodiments, modifications, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the invention.

[0049] Those skilled in the art should understand that, in the disclosure of this invention, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as limiting this invention.

[0050] In this embodiment, "circumference" is defined as the distance from any point on the curved surface to the rotation axis of the valve core body. The purpose is to describe the gradually expanding outward structure of the curved surface to achieve a gradual force application to the blocking and sealing body.

[0051] Example 1:

[0052] Please refer to the following first. Figure 3 and combined Figures 2-9 This embodiment provides a control valve mechanism capable of controlling water flow and blocking communication, including at least a valve seat 21, a control valve core 22, and a blocking seal. The valve seat 21 has at least an inlet chamber 211 and a control chamber 212, which are connected by a communication channel. The control chamber 212 has an installation port 2121.

[0053] Please combine Figure 3 and Figure 10 The control valve core 22 is disposed in the control chamber 212 through the mounting port 2121. The control valve core 22 has a force-applying part 2211, which is controllably oriented towards the water inlet chamber 211 by the control valve core 22. The blocking seal includes a blocking sealing body 23 and an elastic reset member 24. The blocking sealing body 23 is disposed in the water inlet chamber 211 and is repositionably blocked in the communication channel by the elastic reset member 24. The blocking sealing body 23 has a force-receiving part 231 that is force-received by the force-applying part 2211 through the communication channel. After the blocking sealing body 23 is force-received by the force-receiving part 2211 through the force-receiving part 231, it moves to open the communication channel.

[0054] In this embodiment, the blocking sealing body 23 is sealed in the channel between the water inlet chamber 211 and the control chamber 212 by the elastic reset member 24, which can completely isolate and block the water flow. When in use, the blocking sealing body 23 is forced by the drive control valve core 22, and the channel is opened after the blocking sealing body 23 is pushed open to realize the connection between the two chambers, thereby realizing the connection with the two chambers respectively. The structure is linearly arranged, simple, easy to operate, and can block the water flow without leakage.

[0055] The above solutions are the basic necessities for implementing this embodiment. The following is a further detailed description in conjunction with the accompanying drawings and specific implementation methods:

[0056] As a preferred embodiment of this example, please refer to Figure 3 In this embodiment, the valve seat 21 also includes a water outlet chamber 213, which is directly connected to the control chamber 212 and is installed with the nozzle 3 as an indirect extension of the control chamber 212.

[0057] The control valve core 22, as the core control component, includes a valve core body and a control assembly. The valve core body applies force to the blocking and sealing body 23 by rotating, causing the blocking and sealing body 23 to open the communication channel. When the valve core body rotates back, the force is removed, and the blocking and sealing body 23 resets under the action of the elastic reset member 24, re-blocking the communication channel. The control assembly allows users to mechanically control the rotation of the valve core 22 body.

[0058] For specific details, please refer to... Figure 2 , Figure 10 and Figure 11 The valve core body has a gradually changing curved surface, and the force-applying part 2211 is implemented as a curved surface. The control component includes a first arc-shaped tooth segment 224 and a first straight tooth segment 261. The first arc-shaped tooth segment 224 is located on the valve core body and outside the mounting port. The first straight tooth segment 261 meshes with the first arc-shaped tooth segment 224 to drive the valve core body to rotate within the control chamber 212. The curved surface gradually applies force to the force-receiving part 231 due to the rotation of the valve core body.

[0059] To facilitate user operation, a housing mounting port 111 is provided on the handle housing. The first linear tooth segment 261 is mounted on a push button 26, which is located inside the housing mounting port 111. Specifically, the position of the housing mounting port 111 corresponds to the control valve core 22. The user activates the engagement between the first arc-shaped tooth segment 224 and the first linear tooth segment 261 by pushing the button 26.

[0060] Furthermore, please combine Figure 3 , Figure 10 and Figure 11 The shape of the valve core body is not unique in this embodiment. As a preferred embodiment, the control chamber 212 on the valve seat 21 is a through hole, defined as the cavity of the through hole. The valve core body is a mandrel 221 inserted into the through hole. The two ends of the mandrel 221 are respectively provided with a first mandrel sealing groove 2221 and a second mandrel sealing groove 2231. A first mandrel sealing ring 222 is provided in the first mandrel sealing groove 2221, and a second mandrel sealing ring 223 is provided in the second mandrel sealing groove 2231, thereby sealing both ends of the through hole. The mandrel 221 will not leak water when rotating, and a space for water flow is formed between the mandrel 221 and the inside of the through hole. Please refer to [link / reference]. Figure 10 , Figure 11 and combined Figures 6-9 The mandrel 221 also has a curved surface structure with a gradually increasing diameter, which, as described above, is the distance from any curved surface on the curved surface structure to the rotation axis of the mandrel 221. As the mandrel 221 rotates, the curved surface of the mandrel 221 slowly approaches the force-receiving part 231 until it contacts and applies force. Pressing the force-receiving part 231 causes the blocking and sealing body 23 to open the communication channel. Preferably, the mandrel structure can be implemented as a whistle type, and the curved surface is implemented as the outer surface of the mandrel.

[0061] Furthermore, the first arc-shaped tooth segment 224 is mounted on one end of the spindle 221 via a mounting end plate 2241, and works in conjunction with the first straight tooth segment 261 to drive the spindle 221 to rotate.

[0062] Please see Figure 10Because the curved surface applies force gradually, under the elastic reaction force of the spring return member, the user needs to maintain the pressed state of the curved surface on the force-bearing part 231, which is sufficient to complete the valve core control of this embodiment. However, in order to further facilitate the user, as a preferred embodiment, the curved surface is provided with a limiting groove 2212 for the force-bearing part 231 to be engaged. When the force-bearing part 231 is engaged in the limiting groove 2212, the blocking sealing body 23 remains in the open communication channel state. Specifically, when the spindle 221 rotates to open the blocking sealing body 23, the elastic return member 24 is deformed by force until the limiting groove 2212 of the spindle 221 engages the force-bearing part 231. At this time, the force-bearing part 231 can remain in the open communication channel state without external force. To block the communication channel, simply rotate the spindle 221 to disengage the force-bearing part 231 from the limiting groove 2212.

[0063] In this embodiment, the force-receiving part 231 is not limited to a specific shape; its purpose is to be moved by the force-applying part 2211, so there is no specific limitation in its shape. As a preferred embodiment of this embodiment, the force-receiving part 231 is implemented as a force-receiving rod, which passes through the connecting channel and is forced by the force-applying part 2211 to drive the blocking sealing body 23 to open the connecting channel.

[0064] The connecting channel serves as a passageway connecting the water inlet chamber 211 and the control chamber 212. In this embodiment, two forms are provided:

[0065] 1. The connecting channel is a single through hole, and the diameter of the connecting channel is larger than the diameter of the force-bearing rod, so that even if the force-bearing rod is pushed down by the force-applying part 2211 after being inserted into the connecting channel, the water flow transmission will not be affected. In this case, in the blocking state, the top of the blocking sealing body 23 simply seals the connecting channel; in the connecting state, the blocking sealing body 23 opens the connecting channel, and although the force-bearing rod is inserted into the connecting channel, the water flow transmission is not affected. This embodiment does not include accompanying drawings, but this can be clearly understood by combining it with the second embodiment.

[0066] II. Please refer to Figures 4-9 and combined Figure 12 and Figure 13 The connecting channel includes a through hole 2141 and several connecting holes 2142. A force-bearing rod is inserted into the through hole 2141 and subjected to force by the force-applying part 2211. The connecting holes 2142 connect the control chamber 212 and the water inlet chamber 211 and are sealed by the blocking sealing body 23 through the elastic reset member 24. Furthermore, the blocking sealing body 23 is provided with a first blocking sealing ring 232 near the connecting hole 2142. The first blocking sealing ring 232 is sealed in the connecting channel by the blocking sealing body 23 through the elastic reset member 24.

[0067] The force-bearing rod enters the control chamber 212 through the perforation 2141 and contacts the valve core. To ensure that the perforation 2141 effectively blocks water flow, the top of the blocking sealing body 23 can be sealed within the perforation 2141, or a contact seal can be formed between the force-bearing rod and the perforation 2141 (i.e., there is no gap between them). Furthermore, to achieve the best sealing effect, the top of the blocking sealing body 23 can be sealed within the perforation 2141, and a contact seal can be formed between the force-bearing rod and the perforation 2141.

[0068] Please combine Figure 3 and Figure 14 The elastic reset member 24 serves as a structural component capable of resetting the blocking and sealing body 23. The elastic reset member 24 can be installed at its bottom on the inner wall of the water inlet chamber 211. However, to improve the stability of the elastic reset member 24, in a preferred embodiment of this invention, the control valve mechanism further includes a mounting branch pipe 25. The mounting branch pipe 25 is provided with a mounting bracket 251. One end of the mounting branch pipe 25 is connected to the water inlet chamber 211, and the other end is connected to the water supply pipe mechanism 4. The elastic reset member 24 is disposed between the mounting bracket 251 and the blocking and sealing body 23.

[0069] Furthermore, the elastic reset element 24 is a spring, installed between the mounting bracket 251 and the blocking sealing body 23. Preferably, the mounting bracket 251 is a cross-shaped bracket located inside the mounting branch pipe 25, which can provide installation support while facilitating water flow.

[0070] The above technical solutions, individually or in combination, exhibit the following beneficial effects:

[0071] The blocking and sealing body 23 is sealed in the channel between the water inlet chamber 211 and the control chamber 212 by the elastic reset member 24, which can completely isolate and block the water flow. When in use, the blocking and sealing body 23 is forced by the drive control valve core 22. After the blocking and sealing body 23 is opened, the channel is opened to connect the two chambers, thereby realizing the connection between the nozzle 3 and the water pipe mechanism 4 which are respectively connected to the two chambers, so as to achieve clear oral cavity. The structure is simple, the operation is convenient, and it can block the water flow without leakage.

[0072] The force-applying part 2211 is a curved surface with a gradually changing diameter. When the valve core body rotates, the diameter of the curved surface near the force-receiving part 231 gradually increases, gradually pressing the blocking and sealing body 23, so that the blocking and sealing body 23 opens the communication channel. The process is smooth and convenient.

[0073] A limiting slot 2212 is provided at the point where the curved pressing force-receiving part 231 can open the communication channel, so that the force-receiving part 231 can be locked in the limiting slot 2212 by the elastic support of the elastic reset member 24, keeping the communication channel open, which facilitates the continuous flow of water and makes it convenient for users to perform continuous oral cleaning operations.

[0074] The control components achieve purely mechanical transmission through direct meshing of gear segments, eliminating the need for electrical structures on the handle, making it cost-effective and providing intuitive and efficient control.

[0075] Example 2:

[0076] Please see Figure 1 , Figure 2 and combined Figures 3 to 15 This embodiment provides a water flosser handle capable of controlling water flow to block communication, including a handle housing 1, a control valve mechanism, a nozzle 3, and a water pipe mechanism 4. The water pipe mechanism 4 and the nozzle 3 are respectively connected to the control valve mechanism. The handle housing 1 covers the above structures for protection and provides a grip for the user. When the control valve mechanism is open, the water pipe mechanism 4 transmits the pulsed water flow from the water flosser main unit to the nozzle 3 for spraying. When the control valve mechanism is closed, the transmission between the water pipe mechanism 4 and the nozzle 3 is interrupted, and it is not affected by leakage caused by the pressure difference between the residual water in the water pipe mechanism 4 and the water level in the water flosser main unit.

[0077] Specifically, such as Figure 2 As shown, the handle housing 1 has an internal mounting cavity, a top mounting opening 13 at the top, and a bottom mounting opening 14 at the bottom. In this embodiment, the handle housing 1 includes a first housing 11 and a second housing 12, which are snapped together by a buckle. This is a conventional design for a water flosser handle and will not be described in detail.

[0078] Please see Figure 3 and combined Figures 2-9 The control valve mechanism is located in the mounting cavity and includes at least a valve seat 21, a control valve core 22, and a blocking seal. The valve seat 21 contains at least an inlet chamber 211 and a control chamber 212, which are connected by a communication channel. The control chamber 212 has a mounting port 2121. The control valve core 22 is located in the control chamber 212 through the mounting port 2121. The control valve core 22 has a force-applying part 2211, which applies force to the inlet chamber 211 in a controllable manner. The blocking seal includes a blocking sealing body 23 and an elastic reset member 24. The blocking sealing body 23 is disposed in the water inlet chamber 211 and is repositionably blocked in the communication channel by the elastic reset member 24. The blocking sealing body 23 has a force-receiving part 231 that is subjected to force by the force-applying part 2211 through the communication channel. After the blocking sealing body 23 is subjected to force by the force-receiving part 231, it moves to open the communication channel.

[0079] Nozzle 3 and water pipe mechanism 4 serve as the oral cleaning component and water inlet component, respectively, and their connection is controlled by a control valve mechanism. Nozzle 3 connects to control chamber 212 via top mounting port 13. A nozzle latch 31 is installed at top mounting port 13 to facilitate the installation and removal of nozzle 3. Nozzle latch 31 is commonly used in this field and will not be explained in detail here. Water pipe mechanism 4 connects to water inlet chamber 211 and the main unit of the oral irrigator via bottom mounting port 14. In this embodiment, the blocking sealing body 23, through elastic reset member 24, blocks the channel between water inlet chamber 211 and control chamber 212, completely isolating and blocking water flow. During use, the blocking sealing body 23 is opened by driving control valve core 22, opening the channel and connecting the two chambers. This allows for communication between nozzle 3 and water pipe mechanism 4, which are connected to the two chambers respectively, enabling oral cleaning. The structure is simple, the operation is convenient, and it effectively blocks water flow without leakage.

[0080] The above solutions are the basic necessities for implementing this embodiment. The following is a further detailed description in conjunction with the accompanying drawings and specific implementation methods:

[0081] The nozzle 3 is connected to the control chamber 212 through the top mounting port 13, which can be either direct or indirect. In the direct form, the control chamber 212 has a nozzle 3 mounting port, and the nozzle 3 can be directly installed into the nozzle 3 mounting port. As a preferred embodiment of this example, the valve seat 21 further includes a water outlet chamber 213, which is directly connected to the control chamber 212 and is installed with the nozzle 3 as an indirect extension of the control chamber 212.

[0082] The control valve core 22, as the core control component, includes a valve core body and a control assembly. The valve core body applies force to the blocking and sealing body 23 by rotating, causing the blocking and sealing body 23 to open the communication channel. When the valve core body rotates back, the force is removed, and the blocking and sealing body 23 resets under the action of the elastic reset member 24, re-blocking the communication channel. The control assembly allows users to mechanically control the rotation of the valve core 22 body.

[0083] For specific details, please refer to... Figure 2 , Figure 10 and Figure 11 The valve core body has a gradually changing curved surface, and the force-applying part 2211 is implemented as a curved surface. The control component includes a first arc-shaped tooth segment 224 and a first straight tooth segment 261. The first arc-shaped tooth segment 224 is located on the valve core body and outside the mounting port. The first straight tooth segment 261 meshes with the first arc-shaped tooth segment 224 to drive the valve core body to rotate within the control chamber 212. The curved surface gradually applies force to the force-receiving part 231 due to the rotation of the valve core body.

[0084] To facilitate user operation, a housing mounting port 111 is provided on the handle housing. The first linear tooth segment 261 is mounted on a push button 26, which is located inside the housing mounting port 111. Specifically, the position of the housing mounting port 111 corresponds to the control valve core 22. The user activates the engagement between the first arc-shaped tooth segment 224 and the first linear tooth segment 261 by pushing the button 26.

[0085] Furthermore, please combine Figure 3 , Figure 10 and Figure 11 The shape of the valve core body is not unique in this embodiment. As a preferred embodiment, the control chamber 212 on the valve seat 21 is a through hole, defined as the cavity of the through hole. The valve core body is a mandrel 221 inserted into the through hole. The two ends of the mandrel 221 are respectively provided with a first mandrel sealing groove 2221 and a second mandrel sealing groove 2231. A first mandrel sealing ring 222 is provided in the first mandrel sealing groove 2221, and a second mandrel sealing ring 223 is provided in the second mandrel sealing groove 2231, thereby sealing both ends of the through hole. The mandrel 221 will not leak water when rotating, and a space for water flow is formed between the mandrel 221 and the inside of the through hole. Please refer to [link / reference]. Figure 10 , Figure 11 and combined Figures 6-9 The mandrel 221 also has a curved surface structure with a gradually increasing diameter, which, as described above, is the distance from any curved surface on the curved surface structure to the axis of rotation of the mandrel 221. As the mandrel 221 rotates, the curved surface of the mandrel 221 slowly approaches the force-bearing part 231 until it contacts and applies force. Pressing the force-bearing part 231 causes the blocking and sealing body 23 to open the communication channel.

[0086] Furthermore, the first arc-shaped tooth segment 224 is mounted on one end of the spindle 221 via a mounting end plate 2241, and works in conjunction with the first straight tooth segment 261 to drive the spindle 221 to rotate.

[0087] Please see Figure 10Because the curved surface applies force gradually, under the elastic reaction force of the spring return member, the user needs to maintain the pressed state of the curved surface on the force-bearing part 231, which is sufficient to complete the valve core control of this embodiment. However, in order to further facilitate the user, as a preferred embodiment, the curved surface is provided with a limiting groove 2212 for the force-bearing part 231 to be engaged. When the force-bearing part 231 is engaged in the limiting groove 2212, the blocking sealing body 23 remains in the open communication channel state. Specifically, when the spindle 221 rotates to open the blocking sealing body 23, the elastic return member 24 is deformed by force until the limiting groove 2212 of the spindle 221 engages the force-bearing part 231. At this time, the force-bearing part 231 can remain in the open communication channel state without external force. To block the communication channel, simply rotate the spindle 221 to disengage the force-bearing part 231 from the limiting groove 2212.

[0088] In this embodiment, the force-receiving part 231 is not limited to a specific shape; its purpose is to be moved by the force-applying part 2211, so there is no specific limitation in its shape. As a preferred embodiment of this embodiment, the force-receiving part 231 is implemented as a force-receiving rod, which passes through the connecting channel and is forced by the force-applying part 2211 to drive the blocking sealing body 23 to open the connecting channel.

[0089] The connecting channel serves as a passageway connecting the water inlet chamber 211 and the control chamber 212. In this embodiment, two forms are provided:

[0090] 1. The connecting channel is a single through hole, and the diameter of the connecting channel is larger than the diameter of the force-bearing rod, so that even if the force-bearing rod is pushed down by the force-applying part 2211 after being inserted into the connecting channel, the water flow transmission will not be affected. In this case, in the blocking state, the top of the blocking sealing body 23 simply seals the connecting channel; in the connecting state, the blocking sealing body 23 opens the connecting channel, and although the force-bearing rod is inserted into the connecting channel, the water flow transmission is not affected. This embodiment does not include accompanying drawings, but this can be clearly understood by combining it with the second embodiment.

[0091] II. Please refer to Figures 4-9 and combined Figure 12 and Figure 13 The connecting channel includes a through hole 2141 and several connecting holes 2142. A force-bearing rod is inserted into the through hole 2141 and subjected to force by the force-applying part 2211. The connecting holes 2142 connect the control chamber 212 and the water inlet chamber 211 and are sealed by the blocking sealing body 23 through the elastic reset member 24. Furthermore, the blocking sealing body 23 is provided with a first blocking sealing ring 232 near the connecting hole 2142. The first blocking sealing ring 232 is sealed in the connecting channel by the blocking sealing body 23 through the elastic reset member 24.

[0092] The force-bearing rod enters the control chamber 212 through the perforation 2141 and contacts the valve core. To ensure that the perforation 2141 effectively blocks water flow, the top of the blocking sealing body 23 can be sealed within the perforation 2141, or a contact seal can be formed between the force-bearing rod and the perforation 2141 (i.e., there is no gap between them). Furthermore, to achieve the best sealing effect, the top of the blocking sealing body 23 can be sealed within the perforation 2141, and a contact seal can be formed between the force-bearing rod and the perforation 2141.

[0093] Please combine Figure 3 and Figure 14 The elastic reset member 24 serves as a structural component capable of resetting the blocking and sealing body 23. The elastic reset member 24 can be installed at its bottom on the inner wall of the water inlet chamber 211. However, to improve the stability of the elastic reset member 24, in a preferred embodiment of this invention, the control valve mechanism further includes a mounting branch pipe 25. The mounting branch pipe 25 is provided with a mounting bracket 251. One end of the mounting branch pipe 25 is connected to the water inlet chamber 211, and the other end is connected to the water supply pipe mechanism 4. The elastic reset member 24 is disposed between the mounting bracket 251 and the blocking and sealing body 23.

[0094] For further details, please refer to Figure 14 The elastic reset element 24 is a spring, installed between the mounting bracket 251 and the blocking and sealing body 23. Preferably, the mounting bracket 251 is a cross-shaped bracket located inside the mounting branch pipe 25, which can provide installation support while facilitating water flow.

[0095] Please see Figure 15 and combined Figure 3 The water pipe mechanism 4 includes a core 41 and a water pipe 43. The core 41 includes an outlet and an inlet, and an internal liquid flow channel. The core 41 is directly or indirectly inserted into the inlet chamber 211. Specifically, when the branch pipe 25 is installed, the core 41 is inserted into the branch pipe 25 through the bottom mounting port 14, and the bottom of the core 41 is provided with a connecting rigid pipe 42, on which the water pipe 43 is sleeved. When the branch pipe 25 is not required, the core 41 can be directly inserted into the inlet chamber 211.

[0096] It should be noted that, whether inserted into the water inlet chamber 211 or installed in the branch pipe 25, the core 41 is provided with a first core sealing groove 411 near the water outlet, and a first core sealing ring 412 is provided in the groove for sealing.

[0097] Furthermore, the connecting rigid tube 42 is also provided with a tapered part 421 for easy fitting.

[0098] The water pipe 43 is fitted onto the pipe core 41 and is secured in the bottom mounting port 14 for stable installation. Furthermore, this embodiment also includes a protective bottom shell 44 to protect the connection between the water pipe 43 and the pipe core 41. Specifically, the top of the protective bottom shell 44 has a sleeve interface. When the water pipe 43 is fitted onto the connecting rigid pipe 42, the sleeve interface of the protective bottom shell 44 is protectively fitted onto the pipe core 41. At this time, the bottom mounting port 14 is implemented as an opening at the bottom of the protective bottom shell 44 for the water pipe 43 to pass through.

[0099] The above technical solutions, individually or in combination, exhibit the following beneficial effects:

[0100] The blocking and sealing body 23 is sealed in the channel between the water inlet chamber 211 and the control chamber 212 by the elastic reset member 24, which can completely isolate and block the water flow. When in use, the blocking and sealing body 23 is forced by the drive control valve core 22. After the blocking and sealing body 23 is opened, the channel is opened to connect the two chambers, thereby realizing the connection between the nozzle 3 and the water pipe mechanism 4 which are respectively connected to the two chambers, so as to achieve clear oral cavity. The structure is simple, the operation is convenient, and it can block the water flow without leakage.

[0101] The force-applying part 2211 is a curved surface with a gradually changing diameter. When the valve core body rotates, the diameter of the curved surface near the force-receiving part 231 gradually increases, gradually pressing the blocking and sealing body 23, so that the blocking and sealing body 23 opens the communication channel. The process is smooth and convenient.

[0102] A limiting slot 2212 is provided at the point where the curved pressing force-receiving part 231 can open the communication channel, so that the force-receiving part 231 can be locked in the limiting slot 2212 by the elastic support of the elastic reset member 24, keeping the communication channel open, which facilitates the continuous flow of water and makes it convenient for users to perform continuous oral cleaning operations.

[0103] The control components achieve pure mechanical transmission through direct meshing of gear segments, eliminating the need for electrical structures on the handle, making it cost-effective and providing intuitive and efficient control.

[0104] In the blocked state, even if there is a liquid level difference between the water inlet chambers of the main unit and the handle, the pressure formed by the liquid in the water inlet chamber on the blocking sealing body can better seal the connecting channel, forming a positive effect. Therefore, there is no risk of water leakage / dripping after the handle is lower than the water level in the main unit for a long time.

[0105] The components inside the handle are arranged linearly, conforming to the ergonomic design of the handle, making it more compact and easier to hold and use.

[0106] Those skilled in the art should understand that the embodiments of the present invention described above are merely examples and do not limit the invention. The objectives of the present invention have been fully and effectively achieved. The functions and structural principles of the present invention have been shown and explained in the embodiments, and any modifications or variations of the implementation of the present invention may be made without departing from the stated principles.

Claims

1. A control valve mechanism capable of controlling water flow to block or interrupt communication, characterized in that, include: A valve seat having at least an inlet chamber and a control chamber, wherein the inlet chamber and the control chamber are connected by a communication channel, and the control chamber has an installation port; A control valve core is disposed in the control chamber through the mounting port. The control valve core has a force-applying part, which applies force to the water inlet chamber in a controllable manner. A blocking seal includes a blocking sealing body and an elastic reset member. The blocking sealing body is disposed in the water inlet chamber and can be resettled to block the communication channel through the elastic reset member. The blocking sealing body has a force-receiving part that is subjected to force by the force-applying part through the communication channel. After the blocking sealing body is subjected to force by the force-receiving part through the force-applying part, it moves to open the communication channel. The top of the blocking sealing body can block the communication channel.

2. The control valve mechanism capable of controlling water flow and blocking communication according to claim 1, characterized in that, The control valve core includes: A valve core body having a radially gradually changing curved surface, wherein the force-applying part is implemented as the curved surface; The control component includes a first arc-shaped tooth segment and a first straight tooth segment. The first arc-shaped tooth segment is disposed on the valve core body and located outside the mounting port. The first straight tooth segment meshes with the first arc-shaped tooth segment to drive the valve core body to rotate within the control chamber. The curved surface is gradually subjected to force on the force-receiving part by the rotation of the valve core body.

3. The control valve mechanism capable of controlling water flow and blocking communication according to claim 2, characterized in that, The curved surface is provided with a limiting groove for the force-bearing part to be engaged. When the force-bearing part is engaged in the limiting groove, the blocking and sealing body remains in the open state of the communication channel.

4. The control valve mechanism capable of controlling water flow and blocking communication according to claim 2 or 3, characterized in that, The force-receiving part is implemented as a force-receiving rod, which passes through the connecting channel and is subjected to force by the force-applying part, thereby driving the blocking and sealing body to open the connecting channel.

5. The control valve mechanism capable of controlling water flow and blocking communication according to claim 4, characterized in that, The diameter of the connecting channel is larger than the diameter of the force-bearing rod.

6. The control valve mechanism capable of controlling water flow and blocking communication according to claim 4, characterized in that, The connecting channel includes a through hole and several connecting holes; the force-bearing rod is inserted into the through hole and is subjected to force by the force-applying part; the connecting holes connect the control chamber and the water inlet chamber, and are repositionably sealed by the blocking and sealing body through an elastic reset member.

7. The control valve mechanism capable of controlling water flow and blocking communication according to claim 6, characterized in that, The blocking sealing body is provided with a first blocking sealing ring near the connecting hole. The first blocking sealing ring is repositionably sealed in the connecting hole along with the blocking sealing body through an elastic reset member.

8. The control valve mechanism for controlling water flow and blocking communication according to claim 7, characterized in that, The top of the blocking sealing body can be sealed in the perforation, and / or, a contact seal can be formed between the force-bearing rod and the perforation.

9. The control valve mechanism for controlling water flow and blocking communication according to claim 1, characterized in that, The control valve mechanism also includes an installation branch pipe, which is provided with an installation bracket. One end of the installation branch pipe is connected to the water inlet chamber, and the other end is connected to the water supply pipe mechanism. The elastic reset element is located between the installation bracket and the blocking sealing body.

10. The control valve mechanism for controlling water flow and blocking communication according to claim 9, characterized in that, The elastic reset element is a spring, which is installed between the mounting bracket and the blocking and sealing body.

11. A water flosser handle capable of controlling water flow to block communication, characterized in that, The device includes a handle housing, a nozzle, a water pipe mechanism, and a control valve mechanism as described in any one of claims 1 to 10, capable of controlling water flow and blocking communication; the handle housing has an internal mounting cavity, a top mounting port, and a bottom mounting port; the control valve mechanism is located in the mounting cavity, the nozzle is connected to the control chamber through the top mounting port, and the water pipe mechanism is connected to the water inlet chamber and the main body of the water flosser through the bottom mounting port.

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