Manipulator massage head heating structure

Abstract

A heating structure for a massage head of a manipulator comprises a rotatable massage head, a conduction sleeve, a heating wire, a fixing sleeve and a circuit board are arranged in the massage head, the conduction sleeve, the heating wire, the fixing sleeve and the circuit board share the same axis with the massage head, the circuit board is used for transmitting current to the heating wire, and heat is transmitted to the massage head through the conduction sleeve after the heating wire is heated. A plurality of positioning holes are formed in the corresponding positions of the upper end and the lower end of the conduction sleeve in the circumferential direction, and the heating wire is elastic, sequentially penetrates through the positioning holes formed in the circumferential direction from the upper end and the lower end and then is positioned between the heating wire and the conduction sleeve. The beneficial effects of the utility model are that the design not only improves the installation reliability of the heating wire, but also enhances the heat transfer efficiency, and avoids the problem of poor contact caused by vibration or movement of the heating wire.

Description

TECHNICAL FIELD

[0001] The utility model relates to a massage machine core structure especially a heating structure for mechanical hand massage head. BACKGROUND

[0002] In the prior art, the mechanical hand massage head with heating structure is widely used in household physiotherapy equipment and professional massage instruments. Its main function is to improve the massage comfort and promote blood circulation through heating. In the use process, the conductive conduction path of the heating structure is usually that the PCB board supplies power to the heating wire, the heating wire transmits heat to the metal sleeve, and then the metal sleeve conducts heat to the surface of the massage ball. In order to maximize the heat conduction efficiency, the heating wire and the metal sleeve are usually fixed in an axial close contact manner to ensure that the contact area between the two is maximized.

[0003] However, the prior art has obvious defects. Since the heating wire and the metal sleeve are only fixed in an axial close contact manner, this contact mode may cause uneven heat distribution. Specifically, the axial close contact form is difficult to ensure completely uniform pressure distribution in actual assembly, which is easy to cause local poor contact or the existence of gap, so that the heat transfer on the metal sleeve appears regional difference. This uneven heating phenomenon not only affects the massage experience, but also may cause potential risks to the user's skin due to local overheating, and at the same time reduces the durability and stability of the equipment. SUMMARY

[0004] In view of the defects of the prior art, the utility model provides a mechanical hand massage head heating structure for transferring more uniform heat.

[0005] To achieve the above purpose, the technical scheme of the utility model is as follows: a mechanical hand massage head heating structure, comprising a rotatable massage head, the massage head is provided with a conductive sleeve, a heating wire, a fixed sleeve and a circuit board with the same axis, the circuit board is used for transmitting current to the heating wire, the heating wire generates heat and transmits heat to the massage head through the conductive sleeve, a plurality of positioning holes are arranged along the circumference at the corresponding positions of the upper and lower ends of the conductive sleeve, the heating wire has elasticity and is sequentially arranged through the plurality of positioning holes arranged along the circumference from the upper and lower ends respectively to form positioning between the heating wire and the conductive sleeve.

[0006] The utility model discloses beneficial effect is: through the multiple positioning hole of setting in the transmission sleeve upper and lower two ends along the circumference, and utilize the elasticity of heating wire to make it pass these positioning hole, can realize the radial positioning of heating wire in the transmission sleeve, ensure that heating wire can stably fixed in the inside of transmission sleeve. This design not only improved the installation reliability of heating wire, also strengthened the heat transfer efficiency, avoided the problem of poor contact caused by heating wire vibration or movement. As a preferred mode, can set up the tiny convex structure in the inner wall of the positioning hole of transmission sleeve, to further enhance the friction between heating wire and transmission sleeve, thereby more effectively prevent heating wire loose, guarantee the heat evenly distributed in the inside of transmission sleeve, improve the overall heating performance of massage head.

[0007] Further, the upper and lower ends of the transmission sleeve are provided with two groups of positioning holes corresponding to the positions, which are distributed circumferentially and have different axial distances from the center line of the transmission sleeve. One group of positioning holes is provided with a start hole for inserting the start end of the heating wire, and the other group of positioning holes is provided with an end hole for inserting the end of the heating wire. The circuit board is provided with two conductive elastic contacts, and the fixing sleeve is provided with a through hole for the elastic contacts to pass through. The two elastic contacts respectively abut against the start end and the end of the heating wire after passing through the through hole.

[0008] By setting two groups of positioning holes with different axial distances and cooperating with the elastic contacts on the circuit board, the start end and the end of the heating wire can be accurately contacted with the elastic contacts respectively, thereby forming a stable circuit path. This design not only simplifies the installation process of the heating wire, but also effectively reduces the contact resistance and improves the stability of current transmission. In addition, the design of the elastic contact can automatically compensate for the slight displacement of the heating wire caused by temperature change, thereby prolonging the service life of the equipment. As a preferred mode, a layer of metal material with excellent conductivity (such as gold or silver) can be plated on the surface of the elastic contact to further reduce the contact resistance of the contact and improve the reliability of the circuit connection, while reducing energy loss.

[0009] Further, the upper and lower ends of the transmission sleeve are provided with two groups of positioning holes corresponding to the positions, which are distributed circumferentially and have different axial distances from the center line of the transmission sleeve. One group of positioning holes is provided with a start hole for inserting the start end of the heating wire, and the other group of positioning holes is provided with an end hole for inserting the end of the heating wire. The circuit board is provided with two conductive elastic contacts, and the fixing sleeve is provided with a through hole for the elastic contacts to pass through. The two elastic contacts respectively abut against the start end and the end of the heating wire after passing through the through hole.

[0010] By setting the annular block on the upper and lower ends of the transmission sleeve, the heating wires in the two groups of positioning holes can be effectively isolated, preventing the creep phenomenon caused by voltage difference, thereby improving the safety and reliability of the equipment. This design is especially suitable for high-voltage or high-power working environment, which can significantly reduce the risk of electrical failure. In addition, the annular block can also play a certain supporting role, further enhancing the structural strength of the transmission sleeve.

[0011] Further, the fixed shaft is located at the center of the massage head, the fastening bolts pass through below the fixed sleeve respectively and are used for fixing the conducting sleeve and the fixed sleeve, and the fastener passes through above the massage head and is used for fixing the massage head and the fixed shaft, and the fastening bolts and the fastener cooperate to form the fixation between the massage head and the conducting sleeve.

[0012] By arranging the fixed shaft, the fastening bolts and the fastener, the massage head and the conducting sleeve can be firmly connected, and the relative static state of the two during work is ensured, so that the loosening problem caused by vibration or external force is avoided. This design not only improves the structural stability of the equipment, but also facilitates disassembly and maintenance, and enhances the practicability of the equipment. As a preferred mode, anti-skid lines or rubber pads can be arranged on the contact surface of the fastening bolts and the fastener to further enhance the firmness of the connection, reduce wear caused by long-term use, and prolong the service life of the equipment. In addition, pads can be arranged at both ends of the fastener, and one side of the pad is pressed against the massage head, and the other side of the pad is pressed against the conducting sleeve to form the fixation of all internal components of the massage head

[0013] Further, the fixed sleeve comprises a bottom sleeve and a seat sleeve connected to the bottom sleeve, a placing groove is arranged on the seat sleeve, a temperature controller and a thermistor connected to the circuit board are arranged in the placing groove, the temperature controller is used for controlling the maximum temperature, and the thermistor is used for feeding back data to adjust the heating temperature of the heating wire through the circuit board.

[0014] By arranging the temperature controller and the thermistor on the seat sleeve of the fixed sleeve, the temperature of the heating wire can be accurately controlled, and the working temperature of the massage head is ensured to be within a safe range. This design not only improves the safety of the equipment, but also can flexibly adjust the heating temperature according to the actual needs of the user, and provides a more comfortable use experience. In addition, the modular design of the temperature controller and the thermistor facilitates replacement and maintenance, and reduces the maintenance cost of the equipment. As a preferred mode, a shielding layer can be added on the connecting line of the temperature controller and the thermistor to reduce the influence of external electromagnetic interference on signal transmission, thereby improving the accuracy and response speed of temperature control, and optimizing the anti-interference ability of the equipment. As another preferred mode, the placing grooves are symmetrically arranged on both sides of the bottom sleeve, and the two placing grooves are used for placing the thermistor and the temperature controller respectively, so that the placing groove is not too large to affect the overall structural strength of the bottom sleeve. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the axonometric view of the embodiment of the utility model;

[0016] Figure 2 is the exploded view of the embodiment of the utility model;

[0017] Figure 3This is an isometric view of the conductive sleeve and heating wire after installation according to an embodiment of this utility model;

[0018] Figure 4 This is a top view of the fixing sleeve in an embodiment of the present invention. Detailed Implementation

[0019] This utility model embodiment provides a heating structure for a robotic arm massage head, as follows: Figures 1-4 As shown, the device includes a rotatable massage head 1, which internally houses a conductive sleeve 11, a heating wire 12, a fixing sleeve 13, and a circuit board 14. The conductive sleeve 11 and the massage head 1 share the same axis. The heating wire 12, powered by the circuit board 14, generates heat and transfers it to the massage head 1 through the conductive sleeve 11, thus achieving the heating function. To ensure the heating wire 12 is stably positioned within the conductive sleeve 11, several positioning holes 111 are circumferentially arranged at both ends of the conductive sleeve 11. These positioning holes 111 are divided into two groups, each group distributed circumferentially and having a different axial distance from the centerline of the conductive sleeve 11. The heating wire 12 is elastic and passes through the positioning holes 111 at both ends sequentially, forming a radial positioning. This design not only effectively fixes the heating wire 12 but also allows it to better conduct heat to the conductive sleeve 11.

[0020] Annular blocks 112 are provided at both ends of the conductive sleeve 11 between the two sets of positioning holes 111 to prevent creepage between adjacent heating wires 12 located in the two sets of positioning holes 111, thereby improving safety. In addition, a starting hole 113 is provided at one end of the conductive sleeve 11, and an ending hole 114 is provided at the other end, for inserting the starting and ending ends of the heating wires 12, respectively. Two conductive elastic contacts 141 are provided on the circuit board 14. These elastic contacts 141 pass through through holes 131 on the fixing sleeve 13 and abut against the starting and ending ends of the heating wires 12, thereby forming a complete circuit path.

[0021] This embodiment also includes a fixed shaft 2, located at the center of the massage head 1, for supporting the entire structure. The fixed sleeve 13 consists of a base sleeve 132 and a seat sleeve 133, with the seat sleeve 133 snapping onto the base sleeve 132. The seat sleeve 133 has a placement groove 134 for housing a thermostat 135 and a thermistor 136. The thermostat 135 controls the maximum temperature of the heating wire 12, while the thermistor 136 provides real-time temperature feedback so that the heating temperature of the heating wire 12 can be adjusted via the circuit board 14. The fixed sleeve 13 and the conductive sleeve 11 are fixed together by fastening bolts 3, while the massage head 1 and the fixed shaft 2 are fixed by fasteners 4. The two work together to form a snap-fit ​​structure between the massage head 1 and the conductive sleeve 11, thereby ensuring the stability of the overall structure.

[0022] The working principle of the embodiment is as follows: when the circuit board 14 is powered on, the current is transmitted to the heating wire 12 through the elastic contact 141, so that the heating wire 12 generates heat. The heat of the heating wire 12 is uniformly transmitted to the massage head 1 through the conductive sleeve 11, so that the heating of the massage head 1 is realized. The temperature controller 135 is responsible for monitoring the heating temperature, and when the temperature reaches the set value, the temperature controller 135 will cut off the circuit to prevent overheating. The thermistor 136 monitors the temperature change in real time and feeds back the data to the circuit board 14, so as to dynamically adjust the heating power of the heating wire 12. The design of the annular stop block 112 avoids the problem of creeping between the heating wires 12, and improves the safety in use.

[0023] The above embodiment is only one of the preferred specific embodiments of the utility model, and the usual changes and replacements made by those skilled in the art within the technical scheme range of the utility model are all included in the protection range of the utility model.

Claims

1. A heating structure for a robotic arm massage head, comprising a rotatable massage head, wherein a conductive sleeve, a heating wire, a fixing sleeve, and a circuit board are disposed within the massage head and have the same axis thereon, the circuit board being used to transmit current to the heating wire, and the heating wire, after heating, transfers heat to the massage head through the conductive sleeve, characterized in that: The upper and lower ends of the conducting sleeve are provided with a plurality of positioning holes in corresponding positions along the circumference, the heating wire is elastic and is sequentially arranged to pass through the positioning holes along the circumference and form positioning between the conducting sleeve.

2. The mechanical hand massage head heating structure according to claim 1, characterized in that: The upper and lower ends of the conducting sleeve are provided with two groups of positioning holes which are distributed along the circumference and have different axial distances from the center line of the conducting sleeve, one group of the positioning holes is provided with a start hole for inserting the start end of the heating wire, and the other group of the positioning holes is provided with an end hole for inserting the end of the heating wire, the circuit board is provided with two elastic conductive contacts, the fixing sleeve is provided with a through hole for the elastic contacts to pass through, and the two elastic contacts are arranged to abut against the start end and the end of the heating wire after passing through the through hole.

3. The mechanical hand head heating structure according to claim 2, characterized in that: The upper and lower ends of the conducting sleeve are provided with an annular block between the two groups of positioning holes, which is used to prevent the creeping between the adjacent heating wires in the two groups of positioning holes.

4. The mechanical hand head heating structure according to claim 1, characterized in that: The massage head is further provided with a fixing shaft at the center, a fastening bolt which passes through below the fixing sleeve and is used to fix the conducting sleeve and the fixing sleeve, and a fastener which passes through above the massage head and is used to fix the massage head and the fixing shaft, and the fastening bolt and the fastener are matched to form the fixation between the massage head and the conducting sleeve.

5. The mechanical hand head heating structure according to claim 4, characterized in that: The fixing sleeve comprises a bottom sleeve and a seat sleeve which is clamped on the bottom sleeve, the seat sleeve is provided with a placing groove, the placing groove is provided with a temperature controller and a thermistor which are connected with the circuit board respectively, the temperature controller is used to control the maximum temperature, and the thermistor is used to feed back data to adjust the heating temperature of the heating wire through the circuit board.

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