Electrically heated rotary device for a robot

Abstract

This invention discloses a rotating device for an electrically heated robotic arm, comprising: a bearing unit, a rolling unit, and an electrical connection unit. This invention features a large heating area, simple structure, and low cost, enabling rapid large-area heating and rolling heat therapy functions for the rotating device, significantly increasing the heat therapy effect of the rolling massage device on the human back.

Description

Technical Field

[0001] This invention relates to massage and health care devices, and more particularly to a rolling massage device for an electrically heated robotic arm. Background Technology

[0002] In the massage and health care equipment industry, robotic arms are mostly used in the field of human massage. They move back and forth along the back, applying appropriate pressure to acupoints along the curves of the back, playing a crucial role in blood circulation and overall health. The rolling mechanism of the robotic arm directly contacts the acupoints on the back, and frequent application of heat therapy to these acupoints can significantly stimulate the reflex zones, improving blood circulation and promoting metabolism, thereby achieving health benefits such as disease prevention and treatment.

[0003] Currently, most of the electric heating type robotic arms on the market have drawbacks such as slow heating, small heating area, uneven heat distribution, high cost, and insignificant heating effect, which cannot meet the needs of users. Summary of the Invention

[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide an electrically heated rotating device for robotic arms. This device has a simple structure, a large heating area, and low cost of the heating element, heat conductor, and mechanism. It can quickly achieve large-area heating and rolling heat therapy functions for the robotic arm rolling massage device, greatly increasing the heat therapy effect of the rolling massage device on the human back.

[0005] The objective of this invention is achieved through the following technical solution: a rotating device for an electrically heated robotic arm, characterized in that it comprises: a bearing unit, a rolling unit, and an electrical connection unit;

[0006] The bearing unit includes: a high-strength support plate, a circular metal body, a shaft fastening standard part, and a general-purpose fastening standard part; one end of the circular metal body is fixed to the high-strength support plate, and the other end of the circular metal body is provided with a standard groove and a threaded hole. The shaft fastening standard part is snapped into the standard groove at the end of the circular metal body, and the general-purpose fastening standard part is screwed into the threaded hole at the end of the circular metal body.

[0007] The rolling unit includes: an inner hub frame unit, an outer touch body unit, an electronic heating device, an axial pressure plate, and an axial heat-insulating cover. The inner hub frame unit is tightly fitted and fixed to one end of the outer touch body unit along the axial direction. The axial pressure plate and the axial heat-insulating cover are sequentially pressed into the other end of the outer touch body unit along the axial direction. One side of the axial pressure plate is tightly fitted to the inner hub frame, and the other side of the axial pressure plate is tightly fitted to the axial heat-insulating cover. The rolling unit is axially closed. The inner hub frame unit includes an inner hub frame, a large metal ring, and a small metal ring that are coaxially and tightly fitted and fixed from the inside to the outside. The outer touch body unit includes an outer hub frame and an outer touch body that are coaxially and tightly fitted and fixed from the inside to the outside. The outer hub frame is made of a thermally conductive material. The electronic heating device is fitted and fixed to the outer hub frame. Its positive and negative terminals are electrically connected to the large metal ring and the small metal ring, respectively.

[0008] The power receiving unit includes an insulating substrate with a circular groove, a cylindrical conductor, and a tubular elastomer. The tubular elastomer is sleeved on the protrusion at the rear end of the cylindrical conductor and then embedded together into the circular groove of the insulating substrate. Under the action of external force, the tubular elastomer can axially spring back and drive the cylindrical conductor to move axially within the circular groove of the insulating substrate, and is always electrically connected to the large metal ring and small metal ring of the rolling unit.

[0009] After the rolling unit is coaxially sleeved on the circular metal body, the universal fastening standard part is screwed into the threaded hole at the end of the circular metal body so that the rolling unit cannot move axially, and the rolling unit rotates with the circular metal body on a fixed axis; the power connection unit is fixedly connected to the high-strength support plate.

[0010] Preferably, the outer hub frame is made of a thermally conductive alloy.

[0011] Preferably, the thermally conductive material used in the outer hub frame is a thermal injection composite of conductive powder and plastic granules.

[0012] Preferably, the electronic heating device is a strip heating element, the outer hub frame is provided with an arc-shaped groove that matches the electronic heating device, and the electronic heating element is wound in the arc-shaped groove and closely fits the arc-shaped groove.

[0013] Preferably, the electronic heating device is a self-adjusting and controllable constant temperature PTC heating element, and there are two PTC heating elements. The outer hub frame is axially symmetrically provided with U-shaped grooves that match the PTC heating elements. The PTC heating elements are placed in the U-shaped grooves and are tightly fitted to the U-shaped grooves.

[0014] Preferably, the outer hub frame is made of thermally conductive cold-formed sheet metal.

[0015] Preferably, the inner hub frame is made of a heat-resistant material.

[0016] Preferably, the tubular elastomer is made of a non-metallic material.

[0017] Preferably, the outer hub frame is provided with sheet-like grid ribs, which are heat-bonded together with the outer contact body.

[0018] Preferably, the outer side of the inner hub frame is provided with an inner chord surface, and the inner side of the outer hub frame is provided with an outer chord surface that matches the inner chord surface, and the outer and inner chord surfaces are closely fitted together.

[0019] The beneficial effects of this invention are: simple structure, large heating area, low cost, etc. It can quickly realize the overall large-area heating and rolling heat therapy function of the robotic arm rolling massage device, greatly increasing the heat therapy effect of the rolling massage device on the human back. Attached Figure Description

[0020] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 , Figure 2 A schematic diagram of an electrically heated robotic arm rolling device;

[0022] Figure 3 This is a schematic diagram of the exploded load-bearing unit;

[0023] Figure 4 This is an exploded view of the rolling unit;

[0024] Figure 5 This is an exploded view of the rolling unit;

[0025] Figure 6 Showing an exploded view of the power connection unit.

[0026] Figure 1 In the diagram, 1 is the load-bearing unit, and 2 is the rolling unit.

[0027] Figure 2 In the middle, 1-bearing unit, 2-rolling unit, 3-power connection unit;

[0028] Figure 3 In the middle, 11-high-strength support plate, 12-circular metal body, 13-shaft fastener standard part, 14-general-purpose fastener standard part, 121-standard groove, 122-threaded hole;

[0029] Figure 4 In the middle, 21-inner hub frame unit, 22-outer touch body unit, 23a-strip heating element, 24-axial pressure plate, 25-axial heat-insulating cover, 211-inner hub frame, 212-large metal ring, 213-small metal ring, 221-outer hub frame, 222-outer touch body, 2211a-arc-shaped groove, 2212-sheet-shaped fence rib;

[0030] Figure 5 In the middle, 21-inner hub frame unit, 22-outer touch body unit, 23b-PTC heating element, 24-axial pressure plate, 25-axial heat-insulating cover, 211-inner hub frame, 212-large metal ring, 213-small metal ring, 221-outer hub frame, 222-outer touch body, 2212-sheet-shaped grid rib, 2211b-U-shaped groove, 2111-inner chord surface, 2213-outer chord surface;

[0031] Figure 6 In the matrix, 31-insulating matrix, 32-cylindrical conductor, 33-tubular elastomer. Detailed Implementation

[0032] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] Example 1:

[0034] like Figure 1 , 2 As shown in Figures 3, 4, and 6, a rotating device for an electrically heated robotic arm includes: a bearing unit 1, a rolling unit 2, and an electrical connection unit 3.

[0035] The bearing unit 1 includes: a high-strength support plate 11, a circular metal body 12, a shaft fastening standard part 13, and a general-purpose fastening standard part 14; one end of the circular metal body 12 is fixed to the high-strength support plate 11, and the other end of the circular metal body 12 is provided with a standard groove 121 and a threaded hole 122; the shaft fastening standard part 13 is snapped into the standard groove 121 at the end of the circular metal body 12, and the general-purpose fastening standard part 14 is screwed into the threaded hole 122 at the end of the circular metal body 12;

[0036] The rolling unit 2 includes: an inner hub frame unit 21, an outer touch body unit 22, a strip heating element 23a, an axial pressure plate 24, and an axial heat-insulating cover 25; the inner hub frame unit 21 is tightly fitted and fixed in one end of the outer touch body unit 22 along the axial direction, and the axial pressure plate 24 and the axial heat-insulating cover 25 are pressed into the other end of the outer touch body unit 22 in sequence along the axial direction. One side of the axial pressure plate 24 is tightly fitted with the inner hub frame unit 21, and the other side of the axial pressure plate 24 is tightly fitted with the axial heat-insulating cover 25. The rolling unit 2 is in a closed state in the axial direction; the inner hub frame unit 21 includes an inner hub frame 211, a large metal ring 212, and a small metal ring 213 that are coaxially and tightly fitted and fixed from the inside to the outside. The inner hub frame 211 is made of heat-resistant material; the outer touch body unit 22 includes an outer hub frame 221 and an outer touch body 222 coaxially and tightly fitted from the inside to the outside. Heat is blocked by the closed heat-resistant system formed by the inner hub frame 211 and the axial heat-resistant pressure cap 25, and then concentrated and dissipated to the outer hub frame 221. The outer hub frame 221 has sheet-like grid ribs 2212 on its circumferential surface, which are heat-fixed to the outer touch body 222. The outer hub frame 221 is made of heat-conducting material, and heat is then transferred through the outer hub frame 221... The sheet-like grid ribs 2212 of the 1 heat the heat evenly and efficiently to the outer touch body 222; the outer hub frame 221 is provided with an arc-shaped groove 2211a that matches the strip heating element 23a, the strip heating element 23a is wound in the arc-shaped groove 2211a and closely fits the arc-shaped groove 2211a; its positive and negative poles are electrically connected to the large metal ring 212 and the small metal ring 213 respectively; this can avoid the wire harness entanglement caused by the wires of the strip heating element 23a rotating together with the rolling unit 2;

[0037] The power receiving unit 3 includes an insulating substrate 31 with a circular groove, a cylindrical conductor 32, and a tubular elastomer 33. The tubular elastomer 33 is sleeved on the protrusion at the rear end of the cylindrical conductor 32 and then embedded together into the circular groove of the insulating substrate 31. Under the action of external force, the tubular elastomer 33 can axially spring back and drive the cylindrical conductor 32 to move axially within the circular groove of the insulating substrate 31, and is always electrically connected to the large metal ring 212 and the small metal ring 213 of the rolling unit 2.

[0038] After the rolling unit 2 is coaxially sleeved on the circular metal body 12, the universal fastening standard part 14 is screwed into the threaded hole 122 at the end of the circular metal body 12 so that the rolling unit 2 cannot move axially, and the rolling unit 2 rotates with the circular metal body 12 on a fixed axis; the power connection unit 3 is fixedly connected to the high-strength support plate 11.

[0039] In this embodiment, the outer hub frame 221 is made of a thermally conductive alloy, and the tubular elastomer 33 is made of a non-metallic material.

[0040] Example 2:

[0041] like Figure 1 , 2 As shown in Figures 3, 5, and 6, unlike Example 1, the electronic heating device in this example consists of two PTC heating elements 23b with self-adjusting and temperature-controllable functions; the outer hub frame 221 of the rolling unit 2 is made of conductive powder and plastic granules through hot injection, which greatly reduces the cost and achieves the rolling heat therapy function in a low-cost, self-adjusting, and uniform heat-generating manner.

[0042] In this embodiment, the outer hub frame 221 is provided with a U-shaped groove 2211b that matches the PTC heating element 23b. The PTC heating element 23b is placed in the U-shaped groove 2211b and is tightly fitted to the U-shaped groove 2211b.

[0043] In this embodiment, the outer side of the inner hub frame 211 is also provided with an inner chord surface 2111, and the inner side of the outer hub frame 221 is provided with an outer chord surface 2213 that matches the inner chord surface 2111. The outer and inner chord surfaces fit together tightly.

[0044] Example 3:

[0045] like Figure 1 , 2 As shown in Figures 3, 5, and 6, unlike in Embodiment 2, in this embodiment, the outer hub frame 221 of the rolling unit 2 is a thermally conductive metal cold-formed thin plate, which has the characteristics of being lightweight, low-cost, and having better thermal conductivity, and can better realize the rolling heat therapy function.

[0046] In summary, the rolling unit of the electric heating type robotic arm rotating device of the present invention, after being matched with the power supply of the power connection unit and the bearing unit, realizes the overall heating and rolling heat therapy functions of the rolling unit rotating on a fixed axis under any external force, thereby increasing the heating effect of the rolling unit on the acupoints on the back of the human body. It effectively overcomes the various shortcomings of the existing rolling unit technology, such as high cost, slow heating and uneven heat distribution, and has high industrial application value.

[0047] The embodiments described above are merely illustrative of specific implementations of the present invention, and while the descriptions are detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements all fall within the scope of protection of the present invention.

Claims

1. A rotating device for an electrically heated robotic arm, characterized in that... include: Bearing unit, rolling unit, power connection unit; The bearing unit includes: a high-strength support plate, a circular metal body, a shaft fastening standard part, and a general-purpose fastening standard part; one end of the circular metal body is fixed to the high-strength support plate, and the other end of the circular metal body is provided with a standard groove and a threaded hole. The shaft fastening standard part is snapped into the standard groove at the end of the circular metal body, and the general-purpose fastening standard part is screwed into the threaded hole at the end of the circular metal body. The rolling unit includes: an inner hub frame unit, an outer touch body unit, an electronic heating device, an axial pressure plate, and an axial heat-insulating cover. The inner hub frame unit is tightly fitted and fixed to one end of the outer touch body unit along the axial direction. The axial pressure plate and the axial heat-insulating cover are sequentially pressed into the other end of the outer touch body unit along the axial direction. One side of the axial pressure plate is tightly fitted to the inner hub frame, and the other side of the axial pressure plate is tightly fitted to the axial heat-insulating cover. The rolling unit is axially closed. The inner hub frame unit includes an inner hub frame, a large metal ring, and a small metal ring that are coaxially and tightly fitted and fixed from the inside to the outside. The outer touch body unit includes an outer hub frame and an outer touch body that are coaxially and tightly fitted and fixed from the inside to the outside. The outer hub frame is made of a thermally conductive material. The electronic heating device is fitted and fixed to the outer hub frame. Its positive and negative terminals are electrically connected to the large metal ring and the small metal ring, respectively. The power receiving unit includes an insulating substrate with a circular groove, a cylindrical conductor, and a tubular elastomer. The tubular elastomer is sleeved on the protrusion at the rear end of the cylindrical conductor and then embedded together into the circular groove of the insulating substrate. Under the action of external force, the tubular elastomer can axially spring back and drive the cylindrical conductor to move axially within the circular groove of the insulating substrate, and is always electrically connected to the large metal ring and small metal ring of the rolling unit. After the rolling unit is coaxially sleeved on the circular metal body, the universal fastening standard part is screwed into the threaded hole at the end of the circular metal body so that the rolling unit cannot move axially, and the rolling unit rotates with the circular metal body on a fixed axis; the power connection unit is fixedly connected to the high-strength support plate.

2. The electrically heated rotary device for a robot according to claim 1, wherein The outer hub frame uses a thermally conductive alloy as its thermally conductive material.

3. The electrically heated rotary device for a robot according to claim 1, wherein The outer hub frame uses a thermally conductive material that is synthesized by hot injection of conductive powder and plastic granules.

4. The electrically heated rotary device for a robot according to claim 1, wherein The electronic heating device is a strip heating element, and the outer hub frame is provided with an arc-shaped groove that matches the electronic heating device. The strip heating element is wound around the arc-shaped groove and fits tightly against the arc-shaped groove.

5. The rotating device for an electrically heated robotic arm according to claim 1, characterized in that, The electronic heating device is a self-adjusting and controllable constant temperature PTC heating element. There are two PTC heating elements. The outer hub frame is axially symmetrically provided with U-shaped grooves that match the PTC heating elements. The PTC heating elements are placed in the U-shaped grooves and are tightly fitted to the U-shaped grooves.

6. The rotating device for an electrically heated robotic arm according to claim 1, characterized in that, The outer hub frame uses a thermally conductive metal cold-formed thin sheet as its thermally conductive material.

7. The rotating device for an electrically heated robotic arm according to any one of claims 1-6, wherein the inner hub frame is made of heat-resistant material.

8. The rotating device for an electrically heated robotic arm according to any one of claims 1-6, wherein the tubular elastomer is made of a non-metallic material.

9. A rotating device for an electrically heated robotic arm according to any one of claims 1-6, wherein the outer hub frame is provided with sheet-like grid ribs, which are heat-fixed to the outer contact body.

10. A rotating device for an electrically heated robotic arm according to any one of claims 1-6, wherein the outer side of the inner hub frame is provided with an inner chord surface, and the inner side of the outer hub frame is provided with an outer chord surface that matches the inner chord surface, and the outer and inner chord surfaces are in close contact.

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