Radio frequency beauty instrument handle with precise temperature measurement

Abstract

The present invention relates to the field of beauty instruments, and more specifically to a radio frequency beauty instrument handle capable of precise temperature measurement. The present invention provides a radio frequency beauty instrument handle capable of precise temperature measurement, comprising a main body, a massage head provided on the main body, the massage head having a massage front end surface for contacting and massaging human skin, and a temperature measuring device connected to the main body. The temperature measuring device is movably connected to the handle body in a manner that allows it to move back and forth relative to the massage front end surface. When the temperature measuring device is operated, the temperature measuring device can be moved back and forth until its own front end surface is flush with the massage front end surface, and / or the massage head is movably connected to the handle body in a manner that allows it to move back and forth relative to the temperature measuring device. When the massage head is operated, the temperature measuring device can be moved back and forth until its own massage front end surface is flush with the temperature measuring device front end surface. The handle can accurately detect the temperature of the skin. During the process of beautifying the skin, the skin is not easily damaged by excessive temperature, and the temperature measuring device of the handle is not likely to excessively press against the skin and cause skin discomfort.

Description

Technical Field

[0001] The present invention relates to the field of beauty instruments, and in particular to a radio frequency beauty instrument handle capable of accurately measuring temperature. Background Art

[0002] With the rapid development of the beauty industry, the types of beauty devices have gradually diversified. Currently, there is a radio frequency beauty device with a beauty device handle that can emit radio frequency waves. When the radio frequency waves act on human skin, they can directly penetrate the skin and reach the dermis. The skin's impedance effect creates a thermal effect in the dermis, thereby heating collagen tissue and fat cells, promoting collagen tightening and stimulating collagen regeneration, ultimately achieving the effect of repairing sagging and aging skin. During the beauty process, excessively high skin temperature can easily damage the skin, so it is usually necessary to install a temperature sensor on the beauty device handle to detect the skin temperature during the beauty process.

[0003] Patent document CN211611335U discloses a radiofrequency cosmetic treatment head. The bottom surface of the treatment head is designed to contact human skin, and a blind hole is defined in the center for inserting a temperature sensor. The temperature sensor is located at the bottom of the blind hole and is secured by thermally conductive silicone filled within the blind hole. The temperature is monitored by the bottom surface of the treatment head.

[0004] Patent document CN213283317U also discloses a radio frequency temperature detection handle with a downward-facing massage head, the bottom surface of which is designed to contact and massage human skin. A temperature probe is located in the middle of the massage head. The temperature probe is held in place by a threaded mounting post. Once installed, the temperature probe extends beyond the bottom surface of the massage head and is roughly flush with it. While the massage head is in contact with and massaging the skin, the temperature probe also contacts and directly measures the skin's temperature.

[0005] However, the position of the temperature sensors of these two handles cannot be adjusted after they are installed. After repeated use, the temperature sensors may bulge outward or retract due to thermal expansion and contraction. The bulging temperature sensor may excessively press against the human skin, causing skin discomfort when the massage head moves, while the retracted temperature sensor leaves a gap between the human skin, affecting the temperature measurement accuracy. Summary of the Invention

[0006] The technical problem to be solved by the present invention is to provide a radio frequency beauty instrument handle with precise temperature measurement. The handle can accurately detect the temperature of the skin. During the skin beauty process, the skin is not easily damaged by excessive temperature, and the temperature measuring device of the handle is not easy to excessively press against the skin and cause skin discomfort.

[0007] To solve the above problems, the present invention provides a radio frequency beauty instrument handle with precise temperature measurement, comprising a main body, on which a massage head is provided, which has a massage front end surface for adhering to and massaging human skin, and also comprises a temperature measuring device connected to the main body, the temperature measuring device being movably connected to the handle body in a manner that allows it to move back and forth relative to the massage front end surface, and operating the temperature measuring device can enable it to move back and forth until its own front end surface is flush with the massage front end surface, and / or the massage head being movably connected to the handle body in a manner that allows it to move back and forth relative to the temperature measuring device, and operating the massage head can enable it to move back and forth until its own massage front end surface is flush with the front end surface of the temperature measuring device.

[0008] Furthermore, the temperature measuring device includes a movable rod longitudinally arranged front and back, a temperature sensor is provided at the front end thereof and the rear end is threadedly connected to the body, and the temperature measuring device is movably connected to the handle body in this way.

[0009] Furthermore, a first nut is installed on the main body, and the rear end of the moving rod is specifically threadedly connected to the first nut.

[0010] Furthermore, the moving rod is hollow to form a receiving cavity, the rear end of the receiving cavity is open, and the front wall of the receiving cavity is located at the front end of the moving rod. The temperature sensor is specifically accommodated and installed at the front end of the receiving cavity and is close to the front wall of the receiving cavity.

[0011] Furthermore, the center of the massage head is left hollow and an internal cavity is formed from the front end surface to the rear end surface of the massage head. The temperature measuring device is accommodated in the internal cavity and thus hidden in the massage head; the massage head is specifically detachably connected to the handle body, and when the massage head is detached from the handle body, the front end of the temperature measuring device is exposed for operation.

[0012] Furthermore, the massage head has pins extending backwards, and the handle body can be detachably connected via the pins.

[0013] Furthermore, the handle body is provided with a shaft sleeve arranged longitudinally front and back, and a crown spring is installed in the inner hole of the shaft sleeve; the pin is inserted into the shaft sleeve backward and passes over the crown spring and is clamped by the crown spring. In this state, the pin can move forward and backward to adjust the axial position, and the massage head is movably connected to the handle body in this way.

[0014] Furthermore, a second nut is installed on the handle body, and the rear end portion of the sleeve is threadedly connected to the second nut so as to be installed on the handle body.

[0015] Furthermore, the temperature measuring device passes through the second nut.

[0016] Beneficial effect: When using the handle, the operator can operate the temperature measuring device to move its front end surface flush with the front massage surface of the massage head, and / or operate the massage head to move its front massage surface flush with the front massage surface of the temperature measuring device. In this way, the temperature measuring device can be flush with the front massage surface of the massage head and stick to the human skin together, thereby accurately measuring the skin temperature, avoiding damage to the skin due to excessive temperature, and will not press against the human skin due to excessive bulge, which is not easy to cause skin discomfort. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the beauty instrument handle.

[0018] Figure 2 It is along Figure 1 Cross-sectional view in the AA direction.

[0019] Figure 3 yes Figure 2 Schematic diagram of the enlarged portion B.

[0020] Figure 4 yes Figure 3 Schematic diagram of the structure of the beauty instrument handle after the temperature measuring device is hidden.

[0021] Figure 5 yes Figure 4 Schematic diagram of the structure of the beauty instrument handle with the massage head hidden.

[0022] Explanation of symbols:

[0023] 1-handle body; 11-front shell; 111-boss; 112-through hole; 12-rear shell; 13-control circuit board; 131-avoidance through hole; 14-wire extraction; 2-massage head; 21-massage part; 211-massage front end surface; 212-rear boss; 213-inner threaded hole; 22-mounting seat; 221-stepped hole; 222-recessed cavity; 23-pin; 24-inner cavity; 3-temperature measuring device; 31-moving rod; 311-accommodating cavity; 32-temperature sensor; 321-electrical connecting line; 41-first nut; 42-second nut; 51-sleeve; 52-crown spring. DETAILED DESCRIPTION

[0024] The present invention is further described in detail below in conjunction with specific embodiments.

[0025] RF beauty instrument handle Figure 1 and Figure 2, including a front shell 11 and a rear shell 12, which are detachably mounted together by screws (not shown in the figure) to form the outer shell of the handle body 1. The interior of the handle body 1 is left hollow and is equipped with a control circuit board 13. A power supply line 14 is installed at the end of the handle body 1. The power supply line 14 extends into the interior of the handle body 1 and is electrically connected to the control circuit board 13. The end is provided with a plug (not shown in the figure) that can be plugged into an external power supply (not shown in the figure). When the plug is plugged into the power supply, the control circuit board 13 draws power from the power supply via the power supply line 14. A radio frequency module (not shown in the figure) electrically connected to the control circuit board 13 is also installed inside the handle body 1. After drawing power from the control circuit board 13, the radio frequency module can emit radio frequency waves forward. A massage head 2 for massaging human skin is provided in front of the handle body 1. A temperature measuring device 3 is also provided at the axis of the massage head 2. The temperature measuring device 3 is used to detect the temperature of the human skin. The specific structure and installation method of the handle body 1, massage head 2 and temperature measuring device 3 are detailed below.

[0026] See Figure 5 The front end surface of the front shell 11 at the beginning of the handle body 1 partially protrudes forward to form a boss 111. A through-hole 112 is formed on the front end surface of the boss 111 facing rearward. The through-hole 112 passes through the front side wall of the front shell 11 and leads to the interior of the handle body 1, aligned with the control circuit board 13 located inside the handle body 1. A horizontally disposed first nut 41 is fixedly mounted on the rear side surface of the control circuit board 13. A through-hole 131 is formed on the control circuit board 13, aligned with the first nut 41. A horizontally disposed second nut 42 is provided between the control circuit board 13 and the through-hole 112. The second nut 42 is fixedly mounted on the inner side wall of the front shell 11, and the axes of the first nut 41, the through-hole 131, the second nut 42, and the through-hole 112 coincide. The front shell body 11 is equipped with a shaft sleeve 51 arranged longitudinally in the front and rear directions. The outer side of the rear end of the shaft sleeve 51 is provided with an external thread matching the second nut 42. In this way, the shaft sleeve 51 is aligned with the through hole 112 from the front to the rear and then inserted until the rear end of the shaft sleeve 51 presses against the front end surface of the second nut 42 and is rotated and screwed in. When the shaft sleeve 51 is screwed until its rear end passes through the rear end surface of the second nut 42, the shaft sleeve 51 is threadedly connected to the second nut 42 and is installed on the handle body 1 in a detachable and front-to-back adjustable manner.

[0027] See Figure 3The temperature measuring device 3 includes a movable rod 31 longitudinally arranged front to back. The rear end of the movable rod 31 has an external thread on the outside that mates with the first nut 41. The movable rod 31 is hollow to form a receiving chamber 311 with an open rear end. The receiving chamber 311 accommodates a temperature sensor 32. The front wall of the receiving chamber 311 is located at the front end of the movable rod 31. The temperature sensor 32 is mounted at the front end of the receiving chamber 311 and is attached to the front wall of the receiving chamber 311. The electrical connection line 321 of the temperature sensor 32 extends rearward through the opening of the receiving chamber 311 and out of the receiving chamber 311 of the movable rod 31. The movable rod 31 is aligned with the sleeve 51 in front of the front housing 11 and inserted backward. The rear end of the movable rod 31 passes through the through hole 112 of the front housing 11, the inner hole of the sleeve 51, the second nut 42, and the control circuit board 13 to avoid the through hole 131, and then is screwed into and passed through the first nut 41. The movable rod 31 is then threaded into the first nut 41. In this way, the movable rod 31 and the temperature sensor 32 installed therein are removably installed in the handle body 1. The operator can adjust the axial forward and backward movement of the movable rod 31 by twisting the movable rod 31 forward and backward. The electrical connection line 321 extending from the accommodating cavity 311 of the movable rod 31 is connected to the control circuit board 13. The temperature sensor 32 is powered by the control circuit board 13 and controlled by the control circuit board 13.

[0028] See Figure 3 and Figure 4 The massage head 2 includes a mounting base 22 and a massage portion 21 located in front of the mounting base 22. The massage portion 21 has a curved front massage surface 211 for contacting and massaging human skin. The center of the rear end surface of the massage portion 21 is convex rearward to form a rear boss 212, while the center of the front end of the mounting base 22 is concave rearward to form a cavity 222 that accommodates the rear boss 212 of the massage portion 21. In this way, the mounting base 22 approaches the massage portion 21 from the rear to the front until it encases the massage portion 21, and the massage portion 21 is embedded in the mounting base 22. A stepped hole 221 is formed forward at the rear end surface of the mounting base 22, leading to the cavity 222. An internally threaded hole 213 is also formed forward at the rear end surface of the massage portion 21, with the axis of the internally threaded hole 213 coinciding with that of the stepped hole 221. The mounting base 22 is provided with a pin 23. The rear portion of the pin 23 extends backward and the front portion is provided with an external thread. The front portion of the pin 23 is aligned with the stepped hole 221 of the mounting base 22 and then inserted forward. After passing through the stepped hole 221 of the mounting base 22, the pin 23 is inserted into the internal threaded hole 213 of the massage part 21 and tightened. The massage part 21, the mounting base 22 and the pin 23 are assembled together to form the massage head 2. The mounting base 22 is locked between the pin 23 and the massage part 21. After the massage head 2 is assembled, the center is left hollow and an internal cavity 24 is formed from the front face to the rear face of the massage head 2 (see FIG. 2 ). Figure 5), the inner cavity 24 mates with the movable rod 31 of the temperature measuring device 3. A crown spring 52 is installed in the inner hole of the sleeve 51. After assembling the massage head 2, first align its inner cavity 24 with the movable rod 31. Then, align the prongs 23 rearwardly with the sleeve 51 and insert the massage head. The prongs 23 penetrate the sleeve 51, pass over the crown spring 52, and are then clamped by the crown spring 52. The massage head 2 is then removably inserted into the handle body 1, and the front end of the movable rod 31 is also recessed into the inner cavity 24 of the massage head 2. With the crown spring 52 clamping the prongs 23, the operator can directly grasp the massage head 2 and forcefully drag it back and forth. This allows the prongs 23 to move axially back and forth, thereby adjusting the axial position of the massage head 2 until the massage front end surface 211 of the massage head 2 moves back and forth to align with the front end surface of the temperature measuring device 3.

[0029] During actual use, if the operator finds that the front massage surface 211 of the massage head 2 is not flush with the front massage surface of the movable rod 31 of the temperature measuring device 3, the operator can directly hold the massage head 2 as described above and operate it, moving the massage head 2 back and forth until its front massage surface 211 is flush with the front massage surface of the temperature measuring device 3. The operator can also first detach the massage head 2 from the handle body 1 forward to completely expose the front end of the movable rod 31 of the temperature measuring device 3, and then operate the movable rod 31 to rotate forward and backward to move it back and forth until its front massage surface 211 is aligned with the front massage surface 211 of the massage head 2 before detachment. Thereafter, the operator can reattach the massage head 2 to the handle body 1 as described above, so that the front massage surface 211 of the massage head 2 and the front massage surface of the temperature measuring device 3 are flush with each other.

[0030] In this embodiment, the massage head 2 is mainly composed of the massage portion 21, the mounting base 22 and the pins 23. In other embodiments, the massage head 2 can be changed to a single piece, but if the massage head 2 configured in this way is worn, the entire massage head 2 needs to be replaced.

[0031] In this embodiment, a crown spring 52 is installed in the inner hole of the sleeve 51. The crown spring 52 clamps the pins 23 of the massage head 2, thereby achieving a removable insertion of the massage head 2 into the handle body 1. In other embodiments, the sleeve 51 can be modified to not have the crown spring 52. Instead, the sleeve 51 can have internal threads in its inner hole and matching external threads at the rear ends of the pins 23 of the massage head 2. In this way, the pins 23 of the massage head 2 are threadedly connected to the sleeve 51, thereby enabling the massage head 2 to be removably inserted into the handle body 1.

[0032] In this embodiment, the front housing 11 has one through-hole 112, and the axes of the first nut 41, the control circuit board 13 avoidance through-hole 131, the second nut 42, and the front housing 11 through-hole 112 coincide. In other embodiments, the front housing 11 may have two through-holes 112, one of which coincides with the axes of the first nut 41 and the control circuit board 13 avoidance through-hole 131, and the remaining one coincides with the axis of the second nut 42. In this configuration, the temperature measuring device 3 of the beauty instrument handle no longer passes through the second nut 42 and is no longer completely embedded in the massage head 2. Instead, a portion of the movable rod 31 of the temperature measuring device 3 is exposed. This has the advantage that the operator can directly operate the movable rod 31 for forward and reverse rotation and axial forward and backward movement without removing the massage head 2. However, the disadvantage is that the exposed portion of the movable rod 31 is not protected by the massage head 2 and is easily damaged. In other embodiments, the beauty instrument handle may not be provided with the first nut 41 and the second nut 42 , but instead two through holes with internal threads may be provided on the front shell 11 for threaded connection of the sleeve 51 and the moving rod 31 .

[0033] The above is only an embodiment of the present invention and does not limit the scope of patent protection. Those skilled in the art can make non-substantial changes or substitutions based on the present invention and still fall within the scope of patent protection.

Claims

1. A radio frequency beauty instrument handle with precise temperature measurement, comprising a body, a massage head provided on the body, the massage head having a massage front end surface for contacting and massaging human skin, and a temperature measuring device connected to the body, characterized in that: The temperature measuring device is movably connected to the handle body in a manner that allows it to move back and forth relative to the front massage surface. Operation of the temperature measuring device allows it to move back and forth until its front end surface is flush with the front massage surface. And / or the massage head is movably connected to the handle body in a manner that allows it to move back and forth relative to the temperature measuring device. Operation of the massage head allows it to move back and forth until its front massage surface is flush with the front massage surface. The temperature measuring device comprises a movable rod longitudinally arranged front and back, a temperature sensor being provided at the front end thereof and a threaded connection to the body at the rear end thereof, and the temperature measuring device is movably connected to the handle body in this way.

2. The radio frequency beauty instrument handle according to claim 1, characterized in that: A first nut is installed on the main body, and the rear end portion of the moving rod is specifically threadedly connected to the first nut.

3. The radio frequency beauty instrument handle according to claim 1, characterized in that: The moving rod is hollow to form a receiving cavity, the rear end of the receiving cavity is open, and the front wall of the receiving cavity is located at the front end of the moving rod. The temperature sensor is specifically accommodated and installed at the front end of the receiving cavity and is close to the front wall of the receiving cavity.

4. The radio frequency beauty instrument handle according to claim 1, characterized in that: The center of the massage head is left hollow and an internal cavity is formed from the front end surface to the rear end surface of the massage head. The temperature measuring device is accommodated in the internal cavity and thus hidden in the massage head; the massage head is specifically detachably connected to the handle body, and when the massage head is detached from the handle body, the front end of the temperature measuring device is exposed for operation.

5. The radio frequency beauty instrument handle according to any one of claims 1 to 4, characterized in that: The massage head is provided with a pin extending backwards, and is detachably plugged into the handle body via the pin.

6. The radio frequency beauty instrument handle according to claim 5, characterized in that: The handle body is provided with a shaft sleeve arranged longitudinally front and back, and a crown spring is installed in the inner hole of the shaft sleeve; the pin is inserted into the shaft sleeve backward and passes over the crown spring and is clamped by the crown spring. In this state, the pin can move forward and backward to adjust the axial position, and the massage head is movably connected to the handle body in this way.

7. The radio frequency beauty instrument handle according to claim 6, characterized in that: A second nut is installed on the handle body, and the rear end portion of the sleeve is threadedly connected to the second nut so as to be installed on the handle body.

8. The radio frequency beauty instrument handle according to claim 7, wherein: The temperature measuring device passes through the second nut.

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