A gua sha instrument with noise reduction function

By incorporating a noise-absorbing structure into the air outlet pipe of the gua sha device, and utilizing noise-absorbing cotton and noise-absorbing holes, the noise problem during operation of the gua sha device has been solved, resulting in a quieter operating environment and improved user experience.

CN224461955UActive Publication Date: 2026-07-07ZHEJIANG KASJ INTELLIGENT TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG KASJ INTELLIGENT TECH CO LTD
Filing Date
2025-04-21
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

Existing gua sha devices generate noise during operation, affecting the user's comfort.

Method used

A noise-reducing structure is connected to the air outlet pipe of the gua sha device. The noise is absorbed by the design of noise-absorbing cotton and noise-absorbing holes to achieve a noise reduction effect.

Benefits of technology

It effectively reduces the noise level of the gua sha device during operation, making the usage environment quieter and improving the user's comfort.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224461955U_ABST
Patent Text Reader

Abstract

The utility model discloses a scraping instrument with noise reduction function, including main part and the jar body of being located at the bottom of main part, be provided with mounting piece fixedly on the jar body, and the mounting piece is arranged in the inside of main part, be equipped with battery and the air pump of electric connection with battery on the mounting piece, and the air pump is connected respectively with the air inlet line for the air inlet and the air outlet line for the air outlet, and the air outlet line is connected with the noise reduction structure for the sound attenuation. The utility model discloses reasonable in structure design, through connecting the sound attenuation piece on the second air outlet pipe, and the sound attenuation piece is arranged with the sound attenuation cotton of smaller sound attenuation hole aperture, so that the air that needs to be discharged will be absorbed by the sound attenuation cotton instantaneously when entering the sound attenuation piece, plays very good noise reduction effect, makes the scraping environment more quiet, is favorable for letting the user mood happy.
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Description

Technical Field

[0001] This utility model relates to the field of physiotherapy instruments, and in particular to a scraping device with noise reduction function. Background Technology

[0002] Gua sha and cupping are based on the theory of meridians and acupoints in traditional Chinese medicine. Through a specially made gua sha and cupping device and corresponding techniques, a certain medium is applied to the skin and repeatedly scraped and rubbed. This causes the skin to show red millet-like or dark red bleeding points, which are called "sha" changes. This achieves the effect of promoting blood circulation and removing sha. It is a very common treatment method in traditional Chinese medicine. It stimulates muscle tissue contraction, accelerates blood flow, and promotes the body's metabolism.

[0003] Currently, there are gua sha devices on the market that are more convenient to use than traditional gua sha equipment. Existing gua sha devices have an internal air pump, one end of which is connected to the air intake at the bottom of the device. This air pump draws air from between the bottom of the device and the user's skin into the pump, creating negative pressure between the bottom of the device and the user's skin to achieve the effect of cupping and gua sha. The air drawn into the pump is then expelled from the device through the air outlet. However, during the operation of the gua sha device, the air flowing out along the air outlet will generate some noise, which may cause users to feel uncomfortable. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a scraping device with noise reduction function in view of the current situation of the prior art.

[0005] The technical solution adopted by this utility model to solve the above-mentioned technical problems is as follows: a scraping device with noise reduction function, including a main body and a tank at the bottom of the main body. An installation component is fixedly provided on the tank and arranged inside the main body. The installation component is provided with a battery and an air pump electrically connected to the battery. An air inlet pipe for air intake and an air outlet pipe for air exhaust are respectively connected to the air pump. A noise reduction structure for sound absorption is connected to the air outlet pipe.

[0006] Preferably, the noise reduction structure includes a sound-absorbing component, the inner diameter of the air intake pipe and the inner diameter of the air outlet pipe are both smaller than the inner diameter of the sound-absorbing component, the inner wall of the sound-absorbing component is uniformly covered with sound-absorbing cotton for absorbing noise, and sound-absorbing holes are uniformly arranged on the sound-absorbing cotton, the pore diameter of the sound-absorbing holes is less than 50 micrometers.

[0007] Preferably, the tank body is provided with an air intake component and an air outlet component, the air pump side is provided with an air intake end and an air outlet end, the air inlet pipe includes an air intake pipe connecting the air intake component and the air intake end, the air outlet pipe includes a first air outlet pipe connecting the air outlet end and the muffler, and the air outlet pipe also includes a second air outlet pipe connecting the muffler and the air outlet component.

[0008] Preferably, the air intake component is formed by a protrusion extending from the bottom of the tank body towards the main body. The air intake component contains an air intake channel, one end of which is an air inlet located at the bottom of the tank body. The other end of the air intake channel is connected to an air intake pipe.

[0009] Preferably, the air outlet is located on the side wall inside the tank body, the air outlet has an air outlet channel inside, one end of the air outlet channel is an air outlet, the air outlet is arranged on the outer side wall of the tank body, and the other end of the air outlet channel is connected to the second air outlet pipe.

[0010] Preferably, the tank sidewall is provided with a switch that is electrically connected to both the battery and the air pump.

[0011] Preferably, a ring-shaped computer board with heating function is fixedly installed on the bottom surface of the can body. The computer board is electrically connected to the battery. Several steel balls for scraping are rotatably connected to the bottom of the can body. One end of the steel ball is inserted into the computer board, and the other end of the steel ball protrudes outside the can body. The steel balls are evenly spaced around the computer board.

[0012] Preferably, the end of the silencer that is away from the first air outlet pipe is integrally formed with the air outlet pipe. After the airflow from the first air outlet pipe is silenced by the sound-absorbing cotton inside the silencer, it is directly discharged to the outside through the air outlet pipe. The silencer is provided with a connecting cover that communicates with the end of the first air outlet pipe.

[0013] Preferably, the end of the first air outlet pipe away from the air pump is connected to the air outlet component, the end of the first air outlet pipe is connected to the air outlet channel, and a removable sound-absorbing cotton is plugged inside the air outlet. The airflow of the first air outlet pipe enters the sound-absorbing cotton inside the air outlet after passing through the air outlet channel for sound absorption, and the sound-absorbing airflow is directly discharged to the outside.

[0014] Compared with the prior art, the advantages of this utility model are as follows: by connecting a silencer to the second air outlet pipe, and arranging sound-absorbing cotton with small sound-absorbing holes inside the silencer, the air to be discharged will be instantly absorbed by the sound-absorbing cotton when it enters the silencer, which plays a good role in noise reduction, making the scraping environment quieter and helping to make the user feel more comfortable. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the structure of this utility model;

[0017] Figure 3 This is a cross-sectional structural diagram of the present invention;

[0018] Figure 4 This is a schematic diagram of the structure of Embodiment 2 of this utility model;

[0019] Figure 5This is a structural schematic diagram of Embodiment 3 of this utility model.

[0020] Reference numerals: 1. Main body; 2. Tank; 3. Mounting component; 4. Battery; 5. Air pump; 6. Silencing component; 7. Air intake component; 8. Air outlet component; 9. Air intake end; 10. Air outlet end; 11. Air intake pipe; 12. First air outlet pipe; 13. Second air outlet pipe; 14. Air intake channel; 15. Air inlet; 16. Air outlet channel; 17. Air outlet; 18. Switch; 19. Computer board; 20. Steel ball; 21. Connecting cover; 22. Sound-absorbing cotton. Detailed Implementation

[0021] The following drawings will disclose several embodiments of this utility model. For clarity, many practical details will be described in the following description. However, it should be understood that these practical details should not be used to limit this utility model. That is, in some embodiments of this utility model, these practical details are not essential. In addition, for the sake of simplicity, some conventional structures and components will be shown in the drawings in a simple schematic manner.

[0022] It should be noted that all directional indicators in this utility model embodiment, such as up, down, left, right, front, back, etc., are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0023] Furthermore, in addition to indicating orientation or positional relationship, the aforementioned terms may also be used to indicate other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. For those skilled in the art, the specific meaning of these terms in this utility model can be understood according to the specific circumstances.

[0024] Furthermore, the terms "installation," "setting," "equipped with," "connection," "linking," and "socketing" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral structures; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium, or internal connections between two devices, components, or parts. The connection methods described herein are existing technologies without any modifications and are common knowledge to those skilled in the art. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0025] Furthermore, in this utility model, the use of terms such as "first" and "second" is for descriptive purposes only and does not specifically refer to any order or sequence, nor is it intended to limit the utility model. They are merely used to distinguish components or operations described with the same technical terms and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of various embodiments can be combined with each other, but only if they are feasible for those skilled in the art. If a combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model. Example 1

[0026] like Figures 1 to 3 As shown, this utility model provides a scraping device with noise reduction function, including a main body 1 and a tank 2 located at the bottom of the main body 1. A mounting component 3 is fixedly provided on the tank 2 and arranged inside the main body 1. Specifically, the mounting component 3 is provided with a battery 4 and an air pump 5 electrically connected to the battery 4. The air pump 5 is respectively connected to an air inlet pipe for air intake and an air outlet pipe for air exhaust. A noise reduction structure for sound absorption is connected to the air outlet pipe.

[0027] The noise reduction structure includes a sound-absorbing component 6. The inner diameter of the air intake pipe and the inner diameter of the air outlet pipe are both smaller than the inner diameter of the sound-absorbing component 6. Specifically, the inner wall of the sound-absorbing component 6 is uniformly covered with sound-absorbing cotton 22 for absorbing noise. Sound-absorbing holes are uniformly arranged on the sound-absorbing cotton 22, and the pore size of the sound-absorbing holes is less than 50 micrometers.

[0028] The tank body 2 is provided with an air intake component 7 and an air outlet component 8. The air pump 5 is provided with an air intake end 9 and an air outlet end 10 on its side. The air intake pipeline includes an air intake pipe 11 that connects the air intake component 7 and the air intake end 9. Specifically, the air outlet pipeline includes a first air outlet pipe 12 that connects the air outlet end 10 and the muffler 6. The air outlet pipeline also includes a second air outlet pipe 13 that connects the muffler 6 and the air outlet component 8.

[0029] The air intake component is formed by protruding from the bottom of the tank body 2 towards the main body 1. The air intake component contains an air intake channel 14, and one end of the air intake channel 14 is an air inlet 15. Specifically, the air inlet 15 is located at the bottom of the tank body 2, and the other end of the air intake channel 14 is connected to the suction pipe 11.

[0030] The air outlet 8 is located on the side wall inside the tank body 2. The air outlet 8 contains an air outlet channel 16, and one end of the air outlet channel 16 is an air outlet 17. Specifically, the air outlet 17 is arranged on the outer side wall of the tank body 2, and the other end of the air outlet channel 16 is connected to the second air outlet pipe 13.

[0031] The tank 2 is equipped with a switch 18 on its side wall, which is electrically connected to both the battery 4 and the air pump 5.

[0032] The bottom surface of the inner side of the tank 2 is fixedly provided with a ring-shaped computer board 19 with heating function. The computer board 19 and the battery 4 are electrically connected. Several steel balls 20 for scraping are rotatably connected to the bottom of the tank 2. Specifically, one end of the steel ball 20 is inserted into the computer board 19, and the other end of the steel ball 20 protrudes from the outside of the tank 2. The steel balls 20 are evenly spaced around the computer board 19.

[0033] In this utility model, the electrical connection and electrical control relationships between the switch 18, battery 4, computer board 19, and air pump 5 are common and easily conceived technical means for those skilled in the art, and therefore will not be elaborated upon further.

[0034] The working principle of this utility model is as follows: When the switch 18 is turned on, the battery 4 powers the air pump 5 and the computer board 19, starting the operation. Outside air enters the intake pipe 11 through the air inlet 15 and the air intake channel 14. The air enters along the intake pipe 11 and then through the intake end 9 on the air pump 5. The air pump 5 continues to output the airflow through the outlet end 10 to the first outlet pipe 12, and then along the first outlet pipe 12 into the silencer 6. Because the inner diameter of the first outlet pipe 12 is much smaller than the inner diameter of the silencer 6, the airflow quickly diffuses into the silencer 6 upon entering. The entire inner cavity of the sound component 6 is partially filled with airflow, which is absorbed by the sound-absorbing cotton 22 inside the sound-absorbing component 6. Since the pore size of the sound-absorbing cotton 22 is less than 50 micrometers, the sound-absorbing cotton 22 has a good noise absorption effect. The wind force of the air whose airflow has been partially absorbed is greatly reduced compared to the wind force before entering the sound-absorbing component 6. Therefore, the noise generated by the airflow after noise reduction by the sound-absorbing cotton 22 is much less than the noise before entering the sound-absorbing component 6. The noise-reduced airflow is output to the air outlet 8 through the second air outlet pipe 13 and discharged to the outside through the air outlet channel 16 and the air outlet 17 respectively.

[0035] The advantages of this utility model are: by connecting the silencer 6 to the second air outlet pipe 13, and arranging the silencer cotton 22 with a small silencing hole inside the silencer 6, the air that needs to be discharged will be instantly absorbed by the silencer cotton 22 when it enters the silencer 6, which plays a good role in noise reduction, making the scraping environment quieter and helping the user to feel happy. Example 2

[0036] like Figure 4As shown, unlike Embodiment 1, in this embodiment, the end of the silencing component 6 away from the first vent pipe 12 is integrally formed with the vent component 8. Compared to Embodiment 1, the second vent pipe 13 in Embodiment 1 is omitted. The airflow from the first vent pipe 12 is silenced by the sound-absorbing cotton 22 inside the silencing component 6 and then directly discharged to the outside through the vent component 8. The silencing component 6 is provided with a connecting cover 21 that communicates with the end of the first vent pipe 12. Other structures are the same as in Embodiment 1. Example 3

[0037] like Figure 5 As shown, unlike Embodiment 1, in this embodiment, the end of the first air outlet pipe 12 furthest from the air pump 5 is connected to the air outlet component 8. The end of the first air outlet pipe 12 is connected to the air outlet channel 16. A removable sound-absorbing cotton 22 is inserted into the air outlet 17. Compared to Embodiment 1, the sound-absorbing component 6 and the second air outlet pipe 13 in Embodiment 1 are eliminated. The airflow from the first air outlet pipe 12 enters the sound-absorbing cotton 22 in the air outlet 17 directly after passing through the air outlet channel 16 for sound absorption. The silenced airflow is then directly discharged to the outside. This design facilitates the replacement of the sound-absorbing cotton 22 later. Other structures are the same as in Embodiment 1.

[0038] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0039] All standard parts used in this invention can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, welding, and bonding that are mature in the existing technology, and will not be described in detail here.

[0040] The above description is only a preferred embodiment of this utility model. For those skilled in the art, various modifications and variations can be made in the specific implementation and application scope based on the idea of ​​this utility model. The content of this specification should not be construed as a limitation of this utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of this utility model should be included within the scope of the claims of this utility model.

Claims

1. A scraping device with noise reduction function, comprising a main body and a jar disposed at the bottom of the main body, wherein a mounting component is fixedly disposed on the jar and arranged inside the main body, characterized in that: The mounting component is equipped with a battery and an air pump electrically connected to the battery. The air pump is connected to an air inlet pipe for air intake and an air outlet pipe for air exhaust. A noise reduction structure for sound absorption is connected to the air outlet pipe.

2. The scraping device with noise reduction function according to claim 1, characterized in that: The noise reduction structure includes a sound-absorbing component. The inner diameter of the air intake pipe and the inner diameter of the air outlet pipe are both smaller than the inner diameter of the sound-absorbing component. The inner wall of the sound-absorbing component is uniformly covered with sound-absorbing cotton for absorbing noise. Sound-absorbing holes are uniformly arranged on the sound-absorbing cotton, and the pore size of each sound-absorbing hole is less than 50 micrometers.

3. A scraping device with noise reduction function according to claim 2, characterized in that: The tank body is provided with an air intake component and an air outlet component. The air pump side is provided with an air intake end and an air outlet end. The air inlet pipeline includes an air intake pipe connecting the air intake component and the air intake end. The air outlet pipeline includes a first air outlet pipe connecting the air outlet end and the muffler component. The air outlet pipeline also includes a second air outlet pipe connecting the muffler component and the air outlet component.

4. A scraping device with noise reduction function according to claim 3, characterized in that: The air intake component is formed by a protrusion extending from the bottom of the tank towards the main body. The air intake component contains an air intake channel, one end of which is an air inlet located at the bottom of the tank. The other end of the air intake channel is connected to an air intake pipe.

5. A scraping device with noise reduction function according to claim 3, characterized in that: The air outlet is located on the side wall inside the tank. The air outlet has an air outlet channel inside, one end of which is an air outlet located on the outer side wall of the tank. The other end of the air outlet channel is connected to the second air outlet pipe.

6. A scraping device with noise reduction function according to claim 1, characterized in that: The tank sidewall is equipped with a switch that is electrically connected to both the battery and the air pump.

7. A scraping device with noise reduction function according to claim 1, characterized in that: The bottom surface of the can is fixed with a ring-shaped computer board with heating function. The computer board is electrically connected to the battery. Several steel balls for scraping are rotatably connected to the bottom of the can. One end of the steel ball is inserted into the computer board, and the other end of the steel ball protrudes outside the can. The steel balls are evenly spaced around the computer board.

8. A scraping device with noise reduction function according to claim 3, characterized in that: The end of the silencer away from the first vent pipe is integrally formed with the vent pipe. After the airflow from the first vent pipe is silenced by the sound-absorbing cotton inside the silencer, it is directly discharged to the outside through the vent pipe. The silencer is provided with a connecting cover that communicates with the end of the first vent pipe.

9. A scraping device with noise reduction function according to claim 5, characterized in that: The end of the first air outlet pipe away from the air pump is connected to the air outlet component. The end of the first air outlet pipe is connected to the air outlet channel. The air outlet is filled with removable sound-absorbing cotton. The airflow of the first air outlet pipe enters the sound-absorbing cotton in the air outlet after passing through the air outlet channel for sound absorption. The sound-absorbing airflow is directly discharged to the outside.