Vibrating spatula

Abstract

The objective is to provide an electric vibrating spatula that allows for appropriate and intuitive vibration of the spatula head regardless of its shape, making it user-friendly for the user. [Solution] The electric vibrating spatula comprises a hollow handle portion that is gripped by the user, a vibration mechanism housed inside the handle portion that vibrates by electric power, a spatula portion that is detachably attached to the tip of the handle portion and vibrates by the vibration of the vibration mechanism, and a switch portion provided on the handle portion that is pressed by the user gripping the handle portion. The switch portion changes the vibration state of the spatula portion according to the magnitude of the user's pressing force.

Description

Technical Field

[0001] The present invention relates to an electric vibration spatula.

Background Art

[0002] Conventionally, radiocarbon dating has been performed using an elemental analyzer and an automatic graphitization apparatus. Although the measurement itself in the elemental analyzer is automated, the preparation of samples analyzed in the elemental analyzer is often performed manually. In the sample preparation process, a sample is introduced into a container-shaped tin foil having an opening at the upper end using a spatula (also referred to as a "spatula" or "medicine spoon"), and after closing the opening, an embedding operation is performed in which the sample is crushed from above to form a flat shape. In order to improve the efficiency of this embedding operation, it is required to efficiently introduce the sample into the container-shaped tin foil.

[0003] As a conventional technique of the spatula used for introducing the sample, for example, Patent Document 1 is known. Patent Document 1 discloses a powder supply spoon characterized by comprising a capacitor for charge accumulation, a resonance circuit composed of a series connection circuit of the capacitor or another capacitor and a coil, a switch inserted into the resonance circuit, an ultrasonic vibrator that vibrates by applying a voltage generated in the resonance circuit by the switch operation, a spoon that is attached to the ultrasonic vibrator and vibrates, and a case that houses the capacitor, the resonance circuit, and the ultrasonic vibrator and to which the switch is attached.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] The powder supply spoon disclosed in Patent Document 1 is not designed to allow for the exchange of spoons of different shapes, and is basically only capable of applying a constant vibration. Therefore, if a spoon of a different shape is used, the powder supply spoon disclosed in Patent Document 1 may not be able to apply enough vibration to adequately disperse the powder. Furthermore, if the vibration is set to be strong from the outset to account for this possibility, the powder supply spoon disclosed in Patent Document 1 may cause the powder to scatter, potentially wasting valuable powder.

[0006] This invention has been made in view of the above circumstances, and aims to provide an electric vibrating spatula that is easy for the user to use, as it can appropriately and intuitively vibrate the spatula regardless of the shape of the spatula part. [Means for solving the problem]

[0007] To solve the aforementioned problems, the vibrating spatula of the present invention is an electrically operated vibrating spatula comprising: a hollow handle portion that is grasped by a user; a vibration mechanism housed inside the handle portion that vibrates by electric power; a spatula portion that is detachably attached to the tip of the handle portion and vibrates by the vibration of the vibration mechanism; and a switch portion provided on the handle portion that is pressed by the user who grasps the handle portion, wherein the switch portion changes the vibration state of the spatula portion according to the magnitude of the pressing force applied by the user. [Effects of the Invention]

[0008] According to the present invention, the spatula part can be vibrated appropriately and intuitively regardless of its shape, providing a user-friendly, electrically operated vibrating spatula. [Brief explanation of the drawing]

[0009] [Figure 1] A side view of the vibrating spatula of this embodiment. [Figure 2]Figure 1 shows a view of the vibrating spatula along arrow II. [Figure 3] Figure 1 shows a view of the vibrating spatula along arrow III. [Figure 4] A cross-sectional view of the handle portion of the vibrating spatula, cut along the IV line shown in Figure 1. [Figure 5] A circuit diagram showing the electrical configuration of the circuit board shown in Figure 4. [Figure 6] Figure 1 shows another form of the spatula part. [Modes for carrying out the invention]

[0010] Embodiments of the present invention will be described below with reference to the drawings. Components denoted by the same reference numerals in each embodiment are similar in each embodiment unless otherwise specified, and their descriptions will be omitted.

[0011] Figure 1 is a side view of the vibrating spatula 1 of this embodiment. Figure 2 is a view of the vibrating spatula 1 along arrow II shown in Figure 1. Figure 3 is a view of the vibrating spatula 1 along arrow III shown in Figure 1. Figure 4 is a cross-sectional view of the handle portion 20 of the vibrating spatula 1 cut along line IV shown in Figure 1.

[0012] The vibrating spatula 1 is an electrically powered vibrating spatula that vibrates the spatula part 10 using electricity. The vibrating spatula 1 is suitable as a spatula (also called a "spatula" or "spatula spoon") used when preparing a sample to be analyzed in an elemental analyzer used for radiocarbon dating, by placing the sample into a container-shaped tin foil. However, the vibrating spatula 1 can also be used as a spatula to portion out small amounts of various objects (hereinafter also referred to as "target objects") such as granular or powdered chemicals, in addition to the sample.

[0013] The vibrating spatula 1 comprises a hollow handle portion 20 that is gripped by the user, and a spatula portion 10 that is detachably attached to the tip portion 21 of the handle portion 20. As shown in Figure 1, the vibrating spatula 1 is formed in a rod shape overall. In each component of the vibrating spatula 1, the longitudinal end closer to the spatula portion 10 than the handle portion 20 is referred to as the "tip portion," and the longitudinal end closer to the handle portion 20 than the spatula portion 10 is referred to as the "base portion."

[0014] The tip 11 of the spatula portion 10 is formed in a bowl shape to hold the object. The handle portion of the spatula portion 10, excluding the tip 11, is formed in a rod shape. The base end 12 of the spatula portion 10 is detachably attached to the tip 21 of the handle portion 20 via a chuck mechanism 15. Because the spatula portion 10 is detachably attached, maintenance such as cleaning the spatula portion 10 of the vibrating spatula 1 can be easily performed. The spatula portion 10 vibrates due to the vibration of the vibration mechanism 30, which will be described later and is housed inside the handle portion 20.

[0015] The chuck mechanism 15 is formed in a cylindrical shape. The base end 12 of the spatula part 10 is inserted into the tip 16 of the chuck mechanism 15. The base end 17 of the chuck mechanism 15 is fixed to the tip 21 of the handle part 20 by a screw 19 and contacts the vibration mechanism 30. A sleeve 18 is provided between the tip 16 and the base end 17 of the chuck mechanism 15. The sleeve 18 rotates around the axis of the chuck mechanism 15. The rotation of the sleeve 18 fastens and releases the base end 12 of the spatula part 10 inserted into the tip 16. In this way, the tip 16 of the chuck mechanism 15 detachably fastens the spatula part 10.

[0016] The handle portion 20 is formed in a cylindrical shape. The base end portion 17 of the chuck mechanism 15 is inserted into the tip portion 21 of the handle portion 20 and fixed by a screw 19. As shown in Figure 3, a USB port 53 is provided on the end face 23 of the base end portion 22 of the handle portion 20. The USB port 53 is connected to a circuit board 50, which will be described later, housed inside the handle portion 20.

[0017] The handle portion 20 can be manufactured from a metal material or a resin material, but considering long-term use, it is preferably manufactured from a lightweight resin material. The handle portion 20 can be manufactured using, for example, a 3D printer.

[0018] A switch portion 40 that is pressed by a user who grips the handle portion 20 is provided on the side surface 24 of the handle portion 20. The switch portion 40 changes the vibration state of the spatula portion 10 according to the magnitude of the pressing force of the user. Specifically, the switch portion 40 increases at least one of the vibration frequency and the amplitude of the spatula portion 10 as the pressing force increases. The manner in which the vibration state of the spatula portion 10 changes with respect to the magnitude of the pressing force can be set as appropriate.

[0019] As shown in FIGS. 2 and 4, the switch portion 40 includes a pressure sensor 41 having a pressure receiving surface 42 that receives the pressing force of the user, and a cover 45 that covers the pressure sensor 41. The pressure sensor 41 is formed in a film shape and provided on the side surface 24 of the handle portion 20. The pressure sensor 41 is composed of, for example, a piezo element such as a piezo film. The pressure sensor 41 is connected to the circuit board 50 via a lead wire 43.

[0020] The cover 45 covers the pressure sensor 41 provided on the side surface 24 of the handle portion 20. The cover 45 has an engaging claw that engages with an engaging hole provided on the side surface 24. The cover 45 is detachably attached to the side surface 24 by the engaging claw engaging with the engaging hole on the side surface 24. The cover 45 has an opening 46 that exposes the pressure receiving surface 42 of the pressure sensor 41 in a state where the pressure sensor 41 provided on the side surface 24 of the handle portion 20 is covered.

[0021] Inside the handle portion 20, as shown in FIG. 4, a vibration mechanism 30 that vibrates by electric power, a circuit board 50 on which a drive circuit 51 of the vibration mechanism 30 is mounted, and a storage battery 55 connected to the circuit board 50 are accommodated.

[0022] The vibration mechanism 30 is composed of, for example, an eccentric motor 31 and is connected to the circuit board 50 via lead wires 32. The vibration mechanism 30 is positioned in contact with the base end 17 of the chuck mechanism 15 so that vibrations are efficiently transmitted to the spatula part 10 via the chuck mechanism 15. The vibration mechanism 30 may be composed of a piezoelectric element or an electrostrictive element. However, when the vibration mechanism 30 is composed of an eccentric motor 31, the oscillation circuit required when the vibration mechanism 30 is composed of a piezoelectric element or an electrostrictive element becomes unnecessary. Therefore, when the vibration mechanism 30 is composed of an eccentric motor 31, the drive circuit 51 can be simplified compared to when the vibration mechanism 30 is composed of a piezoelectric element or an electrostrictive element, which is preferable.

[0023] The rechargeable battery 55 is the power source for the vibration mechanism 30. The rechargeable battery 55 is, for example, a lithium-ion battery and is connected to the circuit board 50 via lead wires 57. The rechargeable battery 55 is charged by power supplied from an external power source via the USB port 53. The vibrating spatula 1 may use dry cell batteries instead of the rechargeable battery 55. However, the use of the rechargeable battery 55 is preferable because it allows for a smaller and lighter handle 20 than when dry cell batteries are used. As a result, the user will be less likely to get tired even when using the vibrating spatula 1 for a long time, so according to this embodiment, a user-friendly vibrating spatula 1 can be provided. Furthermore, it is preferable to use a rechargeable battery because it eliminates the hassle of replacing batteries.

[0024] The battery 55 is positioned between the vibration mechanism 30 and the USB port 53 in the longitudinal direction of the handle portion 20. Preferably, the battery 55 is positioned in the longitudinal center of the handle portion 20. When the battery 55 is positioned in the longitudinal center of the handle portion 20, the center of gravity of the vibrating spatula 1 can be located near the longitudinal center of the handle portion 20. As a result, the user will be less likely to get tired even when using the vibrating spatula 1 for a long time, so according to this embodiment, a user-friendly vibrating spatula 1 can be provided.

[0025] The circuit board 50 is formed as a long, plate-like structure along the longitudinal direction of the handle portion 20. The pressure sensor 41, the eccentric motor 31 constituting the vibration mechanism 30, and the storage battery 55 are connected to the circuit board 50 via lead wires 43, 32, and 57, respectively. The drive circuit 51 for the vibration mechanism 30, the charging circuit 52 for the storage battery 55, and the USB port 53 are mounted on the circuit board 50. That is, the drive circuit 51 and the charging circuit 52 are mounted on the same circuit board 50. Note that a DC jack may be used instead of a USB port.

[0026] Furthermore, the circuit board 50 is provided not only with mounting areas 54 for the drive circuit 51, charging circuit 52, and USB port 53, but also with an installation area 56 for the storage battery 55. The mounting area 54 is located on the side of the handle portion 20 closer to the base end 22 in the longitudinal direction, and the installation area 56 is located on the side of the handle portion 20 closer to the tip end 21 in the longitudinal direction.

[0027] Figure 5 is a circuit diagram showing the electrical configuration of the circuit board 50 shown in Figure 4.

[0028] As shown in Figure 5, the charging circuit 52 mounted on the circuit board 50 is connected to the USB port 53 and the battery 55, and charges the battery 55 with power supplied from an external power source via the USB port 53. The charging circuit 52 is composed of a general charging circuit having a charging IC, resistors R1 to R3 and capacitors C1 and C2. The charging circuit 52 may also have a light-emitting diode D1 that emits light when the battery 55 is charging, and a light-emitting diode D2 that emits light when the battery 55 is fully charged.

[0029] The drive circuit 51 mounted on the circuit board 50 is connected to the eccentric motor 31 and the storage battery 55 that constitute the vibration mechanism 30, and drives the eccentric motor 31 with power supplied from the storage battery 55. The drive circuit 51 has a transistor Q1, a resistor R5, and a pressure sensor 41 of the switch unit 40. The pressure sensor 41 changes its resistance value according to the magnitude of the user's pressing force received by the pressure-receiving surface 42. The greater the pressing force received by the pressure-receiving surface 42, the smaller the resistance value of the pressure sensor 41. The smaller the resistance value of the pressure sensor 41, the greater the base current of the transistor Q1 and the greater the collector current of the transistor Q1. When the collector current of the transistor Q1 increases, the drive current supplied from the storage battery 55 to the eccentric motor 31 increases, and at least one of the vibration frequency and amplitude of the eccentric motor 31 increases. As a result, at least one of the vibration frequency and amplitude of the spatula unit 10 increases.

[0030] In this way, the drive circuit 51 changes the resistance value of the pressure sensor 41 according to the magnitude of the pressing force received by the pressure-receiving surface 42, and adjusts the drive current supplied to the eccentric motor 31 by the change in this resistance value. As a result, the drive circuit 51 changes the vibration state of the eccentric motor 31 and changes the vibration state of the spatula part 10.

[0031] In other words, the pressure sensor 41 acts as a variable resistor that adjusts the power supplied to the vibration mechanism 30, adjusting the driving power of the vibration mechanism 30 according to the magnitude of the pressing force received by the pressure-receiving surface 42. As a result, the pressure sensor 41 changes the vibration state of the vibration mechanism 30, and thus changes the vibration state of the spatula part 10.

[0032] The vibrating spatula 1 may also be equipped with a power cord instead of a USB port 53 and a battery 55. The power cord extends to the outside from the end face 23 of the base end 22 of the handle portion 20. One end of the power cord has a power plug. The other end of the power cord is connected to the circuit board 50. The drive circuit 51 drives the vibration mechanism 30 with power supplied from an external power source (commercial power) via the power cord. As a result, the vibrating spatula 1 does not require a battery 55, and the handle portion 20 can be made smaller and lighter. The user will be less likely to get tired even when using the vibrating spatula 1 for a long time, so according to this embodiment, a user-friendly vibrating spatula 1 can be provided.

[0033] Figure 6 shows another form of the spatula part 10 shown in Figure 1.

[0034] The spatula section 10 can also employ other configurations with different tip shapes. The left side of Figure 6 shows a configuration of the spatula section 10 having a small, bowl-shaped tip 11a. The center of Figure 6 shows a configuration of the spatula section 10 having a large, bowl-shaped tip 11b. The right side of Figure 6 shows a configuration of the spatula section 10 having a tip 11c formed by joining a pair of flat plates in a V-shaped cross-section. The vibrating spatula 1 can be used with a spatula section 10 of an appropriate configuration depending on the quantity of the object to be handled or the size of the container into which the object is placed.

[0035] As described above, the vibrating spatula 1 of this embodiment is an electrically operated vibrating spatula comprising: a hollow handle portion 20 that is gripped by the user; a vibration mechanism 30 housed inside the handle portion 20 and vibrating by electric power; a spatula portion 10 that is detachably attached to the tip portion 21 of the handle portion 20 and vibrates by the vibration of the vibration mechanism 30; and a switch portion 40 provided on the handle portion 20 and pressed by the user gripping the handle portion 20. The switch portion 40 changes the vibration state of the spatula portion 10 according to the magnitude of the user's pressing force.

[0036] As a result, the vibrating spatula 1 has a spatula section 10 that is detachable from the handle section 20, allowing for easy replacement of the spatula section 10 with one of the appropriate shape depending on the amount of material being handled or the size of the container into which the material is placed. Furthermore, maintenance such as cleaning the spatula section 10 of the vibrating spatula 1 is easily performed. Moreover, the vibrating spatula 1 can be easily vibrated to a vibration state suitable for the replaced spatula section 10 simply by changing the amount of pressure applied by the user.Therefore, according to this embodiment, the spatula section 10 can be vibrated appropriately and intuitively regardless of its shape, providing a user-friendly electric vibrating spatula 1.

[0037] Furthermore, in the vibrating spatula 1 of this embodiment, the switch unit 40 increases at least one of the vibration frequency and amplitude of the spatula unit 10 as the user's pressing force increases.

[0038] As a result, when the user wants to vibrate the spatula part 10 more strongly, they only need to increase the pressing force, thus allowing the vibration state of the spatula part 10 to be changed in a way that is intuitive to the user. Therefore, according to this embodiment, the spatula part 10 can be vibrated appropriately and more intuitively regardless of its shape, and an electric vibrating spatula 1 that is even more user-friendly can be provided.

[0039] Furthermore, in the vibrating spatula 1 of this embodiment, the switch unit 40 is configured to include a pressure sensor 41 having a pressure-receiving surface 42 that receives the user's pressing force. The pressure sensor 41 changes the vibration state of the spatula unit 10 by adjusting the driving power of the vibration mechanism 30 according to the magnitude of the pressing force received by the pressure-receiving surface 42.

[0040] As a result, the vibrating spatula 1 can change the vibration state of the spatula part 10 according to the magnitude of the user's pressing force without requiring a complex configuration. Therefore, according to this embodiment, the spatula part 10 can be vibrated appropriately and intuitively regardless of the shape of the spatula part 10, and an electric vibrating spatula 1 that is easy for the user to use can be easily provided.

[0041] Furthermore, the vibrating spatula 1 of this embodiment includes a circuit board 50 housed inside the handle portion 20, on which the drive circuit 51 of the vibration mechanism 30 is mounted. The vibration mechanism 30 is composed of an eccentric motor 31. The drive circuit 51 changes the vibration state of the spatula portion 10 by changing the resistance value of the pressure sensor 41 according to the magnitude of the pressing force received by the pressure-receiving surface 42, and adjusting the drive current supplied to the eccentric motor 31 according to the change in the resistance value.

[0042] As a result, the vibrating spatula 1 does not require an oscillation circuit, which is necessary when the vibration mechanism 30 is composed of a piezoelectric element or an electrostrictive element, thus simplifying the drive circuit 51. Therefore, the vibrating spatula 1 can be equipped with an inexpensive and robust drive circuit 51. Thus, according to this embodiment, the spatula part 10 can be vibrated appropriately and intuitively regardless of the shape of the spatula part 10, and an even more user-friendly electric vibrating spatula 1 can be provided to the user.

[0043] Furthermore, in the vibrating spatula 1 of this embodiment, the switch section 40 includes a pressure sensor 41 having a pressure-receiving surface 42 that receives pressing force, and a cover 45 that covers the pressure sensor 41. The handle section 20 is formed in a cylindrical shape. The pressure sensor 41 is in the form of a film and is provided on the side surface 24 of the handle section 20. The cover 45 covers the pressure sensor 41 provided on the side surface 24 of the handle section 20.

[0044] As a result, the vibrating spatula 1 can easily realize the switch unit 40 without requiring a complex configuration. Therefore, according to this embodiment, the spatula unit 10 can be vibrated appropriately and intuitively regardless of its shape, making it even easier to provide a user-friendly electric vibrating spatula 1.

[0045] Furthermore, in the vibrating spatula 1 of this embodiment, the cover 45 has an opening 46 that exposes the pressure-receiving surface 42 while covering the pressure sensor 41 provided on the side surface 24 of the handle portion 20.

[0046] As a result, the vibrating spatula 1 can improve the responsiveness of the pressure sensor 41 to the pressing force without requiring a complex configuration. Therefore, the vibrating spatula 1 can change the vibration state of the spatula part 10 in a way that is more intuitive for the user. Thus, according to this embodiment, the spatula part 10 can be vibrated appropriately and more intuitively regardless of the shape of the spatula part 10, and an electrically powered vibrating spatula 1 that is even more user-friendly can be provided.

[0047] Furthermore, the vibrating spatula 1 of this embodiment includes a chuck mechanism 15 fixed to the tip 21 of the handle portion 20. The tip 16 of the chuck mechanism 15 detachably fastens the spatula portion 10, and the base end 17 of the chuck mechanism 15 contacts the vibrating mechanism 30.

[0048] As a result, the vibrating spatula 1 allows for easy replacement of the spatula section 10 and efficiently transmits vibrations from the vibration mechanism 30 to the spatula section 10. Therefore, according to this embodiment, the spatula section 10 can be vibrated more appropriately and intuitively regardless of its shape, providing a more user-friendly electric vibrating spatula 1 for the user.

[0049] Furthermore, the vibrating spatula 1 of this embodiment includes a circuit board 50 housed inside the handle portion 20 and on which the drive circuit 51 of the vibration mechanism 30 is mounted, and a storage battery 55 housed inside the handle portion 20 and connected to the circuit board 50. The drive circuit 51 drives the vibration mechanism 30 with power supplied from the storage battery 55.

[0050] This makes it possible to realize a cordless vibrating spatula 1 that is electric but does not have a power cord. Furthermore, the handle 20 of the vibrating spatula 1 can be made smaller and lighter than when dry cell batteries are used, so the user will not get tired even when using it for a long time. Therefore, the operability of the vibrating spatula 1 can be improved compared to when dry cell batteries are used. Thus, according to this embodiment, the spatula part 10 can be vibrated appropriately and intuitively regardless of the shape of the spatula part 10, and an electric vibrating spatula 1 that is even easier for the user to use can be provided.

[0051] Furthermore, the vibrating spatula 1 of this embodiment is equipped with a USB port 53 provided at the base end 22 of the handle portion 20 and connected to the circuit board 50. The rechargeable battery 55 is charged by power supplied from an external power source via the USB port 53.

[0052] As a result, even when the vibrating spatula 1 is used with a cable plugged into the USB port 53 to charge the battery 55, the cable does not get in the way, thus improving the operability of the vibrating spatula 1. Therefore, according to this embodiment, the spatula part 10 can be vibrated appropriately and intuitively regardless of the shape of the spatula part 10, and an even more user-friendly electric vibrating spatula 1 can be provided to the user.

[0053] Furthermore, the vibrating spatula 1 of this embodiment includes a circuit board 50 housed inside the handle portion 20 and on which the drive circuit 51 of the vibration mechanism 30 is mounted, and a power cord having a power plug extending from the base end portion 22 of the handle portion 20. The drive circuit 51 drives the vibration mechanism 30 with power supplied from an external power source via the power cord.

[0054] As a result, the vibrating spatula 1 can be made smaller and lighter than when a storage battery 55 or dry cell battery is used as the power source for the vibration mechanism 30, making it less tiring for the user to use for long periods of time. Therefore, according to this embodiment, the spatula part 10 can be vibrated appropriately and intuitively regardless of the shape of the spatula part 10, and an electric vibrating spatula 1 that is even easier for the user to use can be provided.

[0055] Although embodiments of the present invention have been described in detail above, the present invention is not limited to each embodiment, and various modifications can be made without departing from the spirit of the invention. The present invention can be modified by adding components of one embodiment to components of another embodiment, replacing components of one embodiment with components of another embodiment, or deleting parts of components of one embodiment. [Explanation of symbols]

[0056] 1…Vibrating spatula, 10…Spatula part, 11, 11a~11c…Tip part, 12…Base end, 15…Chuck mechanism, 16…Tip part, 17…Base end, 18…Sleeve, 19…Screw, 20…Handle part, 21…Tip part, 22…Base end, 23…End face, 24…Side, 30…Vibration mechanism, 31…Eccentric motor, 32…Lead wire, 40…Switch part, 41…Pressure sensor, 42…Pressure receiving surface, 43…Lead wire, 45…Cover, 46…Opening, 50…Circuit board, 51…Drive circuit, 52…Charging circuit, 53…USB port, 54…Mounting area, 55…Battery, 56…Installation area, 57…Lead wire

Claims

1. It is an electric vibrating spatula, A hollow handle portion that is grasped by the user, A vibration mechanism housed inside the handle portion, which vibrates in response to electricity, A spatula portion is detachably attached to the tip of the handle portion and vibrates due to the vibration of the vibration mechanism, The device comprises a switch portion provided on the handle portion and pressed by the user gripping the handle portion, The switch unit changes the vibration state of the spatula unit according to the magnitude of the user's pressing force. A vibrating spatula characterized by its features.

2. The switch portion increases at least one of the vibration frequency and amplitude of the spatula portion as the pressing force increases. The vibrating spatula according to feature 1.

3. The switch unit is configured to include a pressure sensor having a pressure-receiving surface that receives the pressing force, The pressure sensor changes the vibration state of the spatula by adjusting the driving power of the vibration mechanism according to the magnitude of the pressing force received by the pressure-receiving surface. The vibrating spatula according to feature 2.

4. The handle portion is further housed inside and comprises a circuit board on which the drive circuit for the vibration mechanism is mounted. The vibration mechanism is composed of an eccentric motor, The drive circuit changes the resistance value of the pressure sensor according to the magnitude of the pressing force received by the pressure-receiving surface, and adjusts the drive current supplied to the eccentric motor by the change in the resistance value, thereby changing the vibration state of the spatula part. The vibrating spatula according to feature 3.

5. The switch unit is configured to include a pressure sensor having a pressure-receiving surface that receives the pressing force, and a cover that covers the pressure sensor. The handle portion is formed in a cylindrical shape, The pressure sensor is in the form of a film and is provided on the side of the handle portion. The cover covers the pressure sensor provided on the side of the handle portion. The vibrating spatula according to feature 2.

6. The cover has an opening that exposes the pressure-receiving surface while covering the pressure sensor provided on the side of the handle portion. The vibrating spatula according to feature 5.

7. The handle portion is further equipped with a chuck mechanism fixed to the tip portion, The tip of the chuck mechanism is detachably fastened to the spatula portion, The base end of the chuck mechanism is in contact with the vibration mechanism. The vibrating spatula according to feature 2.

8. A circuit board housed inside the handle portion, on which the drive circuit of the vibration mechanism is mounted, The system further comprises a storage battery housed inside the handle portion and connected to the circuit board, The drive circuit drives the vibration mechanism with power supplied from the storage battery. The vibrating spatula according to feature 2.

9. The base end of the handle portion is provided with a USB port connected to the circuit board, The aforementioned battery is charged by power supplied from an external power source via the USB port. The vibrating spatula according to feature 8.

10. A circuit board housed inside the handle portion, on which the drive circuit of the vibration mechanism is mounted, The power cord having a power plug extends from the base end of the handle portion, The drive circuit drives the vibration mechanism with power supplied from an external power source via the power cord. The vibrating spatula according to feature 2.

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