Brush head replacing mechanism of oral cavity cleaning instrument

Abstract

The utility model discloses a brush head replacing mechanism of an oral cavity cleaning instrument, and belongs to the technical field of oral cavity cleaning instruments. The brush head replacement mechanism of the oral cavity cleaning instrument comprises a grip, an insertion mechanism is installed at one end of the grip, an insertion seat is arranged on the outer side of the insertion mechanism in a sleeving mode, a brush head is connected to one end of the insertion seat, a push-out mechanism is arranged in the grip and comprises a push frame, one end of the push frame penetrates through one end of the grip, and a threaded sleeve is installed at the other end of the push frame. A threaded rod is installed on the inner side of the threaded sleeve, the other end of the grip is rotationally connected with an adjusting knob, one end of the adjusting knob is fixedly connected with one end of the threaded rod, the inserting mechanism comprises an inserting head, one end of the inserting head is fixedly connected with one end of the grip, and an inserting hole is formed in the end, close to the grip, of the inserting base. According to the electric toothbrush, the function that the brush head is pushed out in an auxiliary mode can be effectively achieved, a user can replace the brush head conveniently, and the electric toothbrush has high practical value.

Description

Technical Field

[0001] This utility model relates to the field of oral cleaning instrument technology, specifically to an oral cleaning instrument brush head replacement mechanism. Background Technology

[0002] As people pay increasing attention to oral health, oral hygiene devices such as toothbrushes have become widely used. However, with prolonged use, brush heads need to be replaced periodically due to wear and tear, bacterial growth, and other issues.

[0003] Based on the above, the inventors have discovered the following problems: most of the current oral cleaning instrument brush head replacement mechanisms are plug-in mechanisms, but the brush head surface is relatively smooth, making it easy to slip when pulling out the brush head, which affects the removal efficiency.

[0004] Therefore, in view of this, we have studied and improved the existing structure and its shortcomings, and provided a brush head replacement mechanism for oral cleaning instruments in order to achieve a more practical purpose. Utility Model Content

[0005] The purpose of this utility model is to provide a brush head replacement mechanism for oral hygiene instruments, solving the problem mentioned in the background art that most current brush head replacement mechanisms for oral hygiene instruments are plug-and-play mechanisms. However, the brush head surface is relatively smooth, making it easy to slip when removing the brush head, thus affecting the removal efficiency. In view of the above problems, the technical solution proposed by this utility model is:

[0006] A brush head replacement mechanism for an oral cleaning instrument includes a handle. One end of the handle is equipped with a plug-in mechanism, and a plug-in seat is sleeved on the outside of the plug-in mechanism. One end of the plug-in seat is connected to a brush head. The handle has an internal push-out mechanism, which includes a push frame. One end of the push frame passes through one end of the handle, and the other end of the push frame is equipped with a threaded sleeve. A threaded rod is installed on the inner side of the threaded sleeve. The other end of the handle is rotatably connected to an adjustment knob, and one end of the adjustment knob is fixedly connected to one end of the threaded rod.

[0007] Furthermore, the plug-in mechanism includes a plug connector, one end of which is fixedly connected to one end of the handle, and the plug-in base has a plug hole at one end near the handle, and the other end of the plug connector is plugged into the inside of the plug hole.

[0008] The advantage of adopting the above-mentioned further solution is that the brush head can be securely installed on the handle by inserting the other end of the connector into the inside of the connector hole.

[0009] Furthermore, limiting grooves are provided on both sides of the inner side of the insertion hole, and protrusions are embedded on both sides of the insertion connector. One end of the protrusion is arc-shaped and engages with the inner side of the limiting groove.

[0010] The beneficial effect of adopting the above-mentioned further solution is that the connection between the brush head and the handle is further enhanced by the engagement between one end of the protrusion and the inner side of the limiting groove.

[0011] Furthermore, the connector has an internal cavity, a partition is installed in the middle of the inner side of the cavity, springs are installed on both sides of the partition, a limiting plate is installed at one end of the spring, and one side of the limiting plate is fixedly connected to the other end of the protrusion.

[0012] The beneficial effect of adopting the above-mentioned further solution is that, through the setting of cavity, partition, spring and limiting plate, the protrusion can be automatically reset, thereby improving the limiting effect.

[0013] Furthermore, the outer side of the limiting plate and the inner side of the cavity are slidably connected.

[0014] The beneficial effect of adopting the above-mentioned further solution is that the sliding connection between the outer side of the limiting plate and the inner side of the cavity improves the movement stability of the limiting plate.

[0015] Furthermore, one end of the grip has a sliding opening, and the outer side of the push frame and the inner side of the sliding opening are slidably connected.

[0016] The beneficial effect of adopting the above-mentioned further solution is that the sliding connection between the outer side of the pusher and the inner side of the slide improves the movement stability of the pusher.

[0017] Furthermore, the outer side of the adjustment knob is provided with anti-slip protrusions.

[0018] The beneficial effect of adopting the above-mentioned further solution is that by providing anti-slip protrusions on the outside of the adjustment knob, the friction between the adjustment knob and the user's fingers is increased, making it easier for the user to turn the adjustment knob.

[0019] Compared with the prior art, the beneficial effects of this utility model are as follows: The brush head replacement mechanism of this oral cleaning instrument has a threaded rod installed on the inner side of the threaded sleeve. Rotating the threaded rod causes the threaded sleeve to push the pusher, thus easily pushing the brush head out of the handle for easy replacement. One end of the adjusting knob is fixedly connected to one end of the threaded rod, facilitating user rotation. The other end of the connector is inserted into the inner side of the insertion hole, allowing the brush head to be securely mounted on the handle. The engagement of one end of the protrusion with the inner side of the limiting groove further enhances the connection between the brush head and the handle. The stability of the connection is achieved through the design of cavities, partitions, springs, and limiting plates, enabling the protrusion to automatically reset and improving the limiting effect. The sliding connection between the outer side of the limiting plate and the inner side of the cavity enhances the movement stability of the limiting plate. The sliding connection between the outer side of the push frame and the inner side of the slide enhances the movement stability of the push frame. The anti-slip protrusions on the outer side of the adjustment knob increase the friction between the adjustment knob and the user's fingers, making it convenient for the user to turn the adjustment knob. This utility model can effectively realize the brush head auxiliary ejection function, making it convenient for users to replace the brush head, and has high practical value. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural schematic diagram of an embodiment of the present utility model;

[0021] Figure 2 This is one of the disassembled three-dimensional structural diagrams disclosed in the embodiments of this utility model;

[0022] Figure 3 This is the second disassembled three-dimensional structural diagram disclosed in the embodiment of this utility model;

[0023] Figure 4 This is a three-dimensional cross-sectional view of the plug-in socket disclosed in an embodiment of the present utility model;

[0024] Figure 5 This is a cross-sectional view of the connector disclosed in an embodiment of this utility model.

[0025] In the diagram: 100, handle; 10001, sliding mouth; 101, plug-in mechanism; 10101, plug connector; 10102, protrusion; 10103, partition; 10104, spring; 10105, limiting plate; 10106, cavity; 102, plug-in base; 10201, plug-in hole; 10202, limiting groove; 103, brush head; 104, ejection mechanism; 10401, push frame; 10402, threaded sleeve; 10403, threaded rod; 10404, adjustment knob. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figures 1-5 This utility model provides a technical solution: a brush head replacement mechanism for oral cleaning instruments, including a handle 100, a plug-in mechanism 101 installed at one end of the handle 100, a plug-in seat 102 sleeved on the outer side of the plug-in mechanism 101, a brush head 103 connected to one end of the plug-in seat 102, and a push-out mechanism 104 provided inside the handle 100. The push-out mechanism 104 includes a push frame 10401, one end of the push frame 10401 passing through one end of the handle 100, and a threaded sleeve 10402 installed at the other end of the push frame 10401. A threaded rod 1040 is installed on the inner side of the threaded sleeve 10402. 3. An adjustment knob 10404 is rotatably connected to the other end of the handle 100. One end of the adjustment knob 10404 is fixedly connected to one end of the threaded rod 10403. The threaded rod 10403 is installed on the inner side of the threaded sleeve 10402. Rotating the threaded rod 10403 causes the threaded sleeve 10402 to push the pusher 10401 to move, thereby easily pushing the brush head 103 off the handle 100 for easy replacement. The fixed connection between one end of the adjustment knob 10404 and one end of the threaded rod 10403 facilitates user rotation of the threaded rod 10403. The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0028] Please see Figures 1-5The insertion mechanism 101 includes a plug 10101, one end of which is fixedly connected to one end of a handle 100. A plug socket 102 has a plug hole 10201 at one end near the handle 100. The other end of the plug 10101 is inserted into the inner side of the plug hole 10201. Limiting grooves 10202 are formed on both sides of the inner side of the plug hole 10201. Protrusions 10102 are embedded on both sides of the plug 10101. One end of each protrusion 10102 is arc-shaped and engages with the inner side of the limiting groove 10202. A cavity 10106 is formed inside the plug 10101. A partition 10103 is installed in the center of the inner side of the cavity 10106. Springs 10104 are installed on both sides of the partition 10103. One end of each spring 10104 is equipped with a... The limiting plate 10105 is fixedly connected to one side of the protrusion 10102 and the other end of the limiting plate 10105. The outer side of the limiting plate 10105 is slidably connected to the inner side of the cavity 10106. The other end of the connector 10101 is inserted into the inner side of the insertion hole 10201, allowing the brush head 103 to be stably installed on the handle 100. The protrusion 10102 is engaged with the inner side of the limiting groove 10202, further enhancing the stability of the connection between the brush head 103 and the handle 100. The arrangement of the cavity 10106, the partition 10103, the spring 10104, and the limiting plate 10105 enables the protrusion 10102 to automatically reset, improving the limiting effect. The sliding connection between the outer side of the limiting plate 10105 and the inner side of the cavity 10106 improves the movement stability of the limiting plate 10105.

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Please see Figures 1-5 One end of the handle 100 has a sliding opening 10001. The outer side of the push frame 10401 and the inner side of the sliding opening 10001 are slidably connected. The outer side of the adjustment knob 10404 has an anti-slip protrusion. The sliding connection between the outer side of the push frame 10401 and the inner side of the sliding opening 10001 improves the movement stability of the push frame 10401. The anti-slip protrusion on the outer side of the adjustment knob 10404 increases the friction between the adjustment knob 10404 and the user's fingers, making it easier for the user to rotate the adjustment knob 10404.

[0031] Specifically, the working principle of this oral cleaning instrument brush head replacement mechanism is as follows: During use, a threaded rod 10403 is installed inside the threaded sleeve 10402. Rotating the threaded rod 10403 causes the threaded sleeve 10402 to push the pusher 10401, thus easily pushing the brush head 103 off the handle 100 for easy replacement. One end of the adjusting knob 10404 is fixedly connected to one end of the threaded rod 10403, allowing the user to easily rotate the threaded rod 10403. The other end of the connector 10101 is inserted into the inner side of the insertion hole 10201, allowing the brush head 103 to be securely mounted on the handle 100. The engagement between one end of the protrusion 10102 and the inner side of the limiting groove 10202 further enhances the connection between the brush head 103 and the handle. The stability of the connection 100 is achieved through the arrangement of cavity 10106, partition 10103, spring 10104, and limiting plate 10105, which enables the protrusion 10102 to automatically reset and improves the limiting effect. The sliding connection between the outer side of the limiting plate 10105 and the inner side of the cavity 10106 improves the movement stability of the limiting plate 10105. The sliding connection between the outer side of the push frame 10401 and the inner side of the slide 10001 improves the movement stability of the push frame 10401. The anti-slip protrusion on the outer side of the adjusting knob 10404 increases the friction between the adjusting knob 10404 and the user's fingers, making it convenient for the user to rotate the adjusting knob 10404. This utility model can effectively realize the brush head auxiliary push function, making it convenient for users to replace the brush head, and has high practical value.

Claims

1. An oral cleaning instrument brush head replacement mechanism, characterized by, The utility model provides a brush head, it includes the handle (100), one end of handle (100) is equipped with the plug -in mechanism (101), the outside of plug -in mechanism (101) is equipped with the plug -in seat (102), one end of plug -in seat (102) is connected with brush head (103), the inside of handle (100) is equipped with the push -out mechanism (104), the push -out mechanism (104) includes the push frame (10401), one end of push frame (10401) is through one end of handle (100), the other end of push frame (10401) is equipped with the threaded sleeve (10402), the inside of threaded sleeve (10402) is equipped with threaded rod (10403), the other end of handle (100) is rotatably connected with the adjusting knob (10404), one end of adjusting knob (10404) and one end of threaded rod (10403) fixed connection.

2. The brush head replacement mechanism of claim 1, wherein, The plug -in mechanism (101) includes the plug -in head (10101), one end of plug -in head (10101) and one end of handle (100) fixed connection, the plug -in seat (102) is equipped with the plug -in hole (10201) in one end close to handle (100), the other end of plug -in head (10101) and the inside of plug -in hole (10201) plug -in.

3. An oral cleaning device brush head replacement mechanism according to claim 2, wherein, The inside of plug -in hole (10201) is equipped with limiting slot (10202) on both sides, the both sides of plug -in head (10101) are embedded with protruding block (10102), one end of protruding block (10102) is arc shape style, one end of protruding block (10102) and the inside of limiting slot (10202) are connected with the clamping.

4. The brush head replacement mechanism of claim 3, wherein the brush head is configured to be replaced by a user. The inside of plug -in head (10101) is equipped with cavity (10106), the inside of cavity (10106) is equipped with baffle (10103) in the middle, the both sides of baffle (10103) are equipped with spring (10104), one end of spring (10104) is equipped with limiting plate (10105), one side of limiting plate (10105) and the other end of protruding block (10102) fixed connection.

5. An oral cleaning device brush head replacement mechanism according to claim 4, wherein, The outside of limiting plate (10105) and the inside of cavity (10106) are connected with sliding.

6. The brush head replacement mechanism of claim 1, wherein One end of handle (100) is equipped with sliding mouth (10001), the outside of push frame (10401) and the inside of sliding mouth (10001) are connected with sliding.

7. The brush head replacement mechanism of claim 1, wherein, The outside of adjusting knob (10404) is equipped with anti -skid protruding.

Images