Knee joint physiotherapy device
By designing a thermal therapy mechanism that can move up and down, the problem of fixed heating source distance of existing knee physiotherapy instruments is solved, and better physiotherapy effects and adaptability are achieved.
Patent Information
- Application Number
- CN202322984466.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-11-06
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2033-11-06
AI Technical Summary
The distance between the heating source of existing knee joint physiotherapy instruments and the knee joint is fixed and immutable, which limits the effect of physiotherapy and is not suitable for users of different body types and different application scenarios.
A knee joint physiotherapy device is designed, and its thermal therapy mechanism includes a shell, a heating component and a driving component. The shell is movable up and down, and the height adjustment of the shell is achieved by combining a driving motor, a transmission rod, a gear and a rack.
The distance adjustment of the thermal therapy institution relative to the knee joint is achieved, the physiotherapy effect is improved, and it is suitable for users of different body types and different application scenarios, and the movement process is more stable and reliable.
Smart Images
Figure CN222444519U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of medical care equipment, in particular to a knee joint physical therapy device. Background Art
[0002] A common method for treating acute or chronic pain is to apply heat to the painful area. This heat treatment method is used as a treatment method for conditions including soreness, muscle and joint stiffness, neuralgia, rheumatism, etc. Generally, the method of relieving pain using heat treatment is to locally apply relatively high heat (i.e., above about 40°C) for a short period of time (i.e., about 20 minutes to about 1 hour). At present, knee joint therapy instruments have appeared on the market, which have a built-in heating source. The knee joint therapy instrument can be placed on the user's knee joint and perform heating therapy on the user's knee joint. However, the distance between the heating source of the knee joint therapy instrument and the knee joint is fixed and cannot be changed, which limits the therapeutic effect, and the fixed heating distance is not suitable for users of different body shapes and different application scenarios. Utility Model Content
[0003] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a knee joint physiotherapy device.
[0004] In order to solve the above technical problems, the utility model provides a knee joint physiotherapy device, including a support frame and a thermal physiotherapy mechanism;
[0005] The thermal therapy mechanism comprises a shell, a heating component and a driving component, wherein the heating component is arranged on the shell, and the driving component is connected between the support frame and the shell to drive the shell to move up and down on the support frame;
[0006] The driving component includes a driving motor, a transmission rod, two gears and two racks. The driving motor and the transmission rod are arranged on the shell. The driving motor is used to drive the transmission rod to rotate. The two gears are arranged at both ends of the transmission rod. The two racks are respectively arranged on both sides of the support frame along the height direction. The two gears are respectively meshed with the two racks. The rotation of the transmission rod can drive the gear to move on the rack.
[0007] In a more preferred embodiment, a gear assembly is further transmission-connected between the driving motor and the transmission rod; the gear assembly is arranged at a middle position of the transmission rod.
[0008] In a more preferred embodiment, the gear assembly includes a first gear, a second gear, a worm and a third gear; the drive motor is connected to the first gear, the second gear and the worm are coaxially connected and rotatably arranged on the housing, the first gear is meshed with the second gear, the worm is meshed with the third gear, and the third gear is arranged in the middle position of the transmission rod.
[0009] In a more preferred embodiment, the first gear and the second gear are helical gears, and the worm extends along the height direction.
[0010] In a more preferred embodiment, the shell includes a supporting shell and a heating mask; the lower side of the supporting shell is connected to the heating mask to form an installation space, the heating component is arranged in the installation space, and the heating mask is a hollow structure.
[0011] In a more preferred embodiment, the heating component is a graphene heating sheet.
[0012] In a more preferred embodiment, the shell is provided with a plurality of guide sleeves, the support frame includes a plurality of guide posts, and the guide sleeves slide on the guide posts along the height direction.
[0013] In a more preferred embodiment, the shell is provided with a plurality of spring limit plates; the support frame is provided with an upper limit plate and a lower limit plate; when the shell moves to an upper limit position, the spring limit plate abuts against the upper limit plate, and when the shell moves to a lower limit position, the spring limit plate abuts against the lower limit plate.
[0014] In a more preferred embodiment, the support frame includes a lower surround channel, and the lower surround channel is used to accommodate the user's knee joint, and the thermal therapy mechanism moves up and down on the support frame to extend into the lower surround channel along the height direction.
[0015] In a more preferred embodiment, the support frame includes a support cross frame and two support legs, and the two support legs are connected to both ends of the support cross frame; the support legs and the support cross frame form a lower surround channel that can accommodate both legs and knees; the thermal therapy mechanism moves up and down on the support frame to extend into the lower surround channel along the height direction.
[0016] Compared with the prior art, the technical solution of the utility model has the following beneficial effects:
[0017] The thermal therapy mechanism can move up and down on the support frame to adjust the distance of the thermal therapy mechanism relative to the knee joint.
[0018] The driving component drives the transmission rod to rotate, and the gears at both ends of the transmission rod rotate synchronously to move on the rack synchronously. The two sides of the thermal therapy mechanism move up and down more stably and reliably. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a three-dimensional schematic diagram of a knee joint physiotherapy device in a preferred embodiment of the utility model;
[0020] Figure 2 This is a three-dimensional exploded schematic diagram of a knee joint physiotherapy device in a preferred embodiment of the utility model;
[0021] Figure 3 It is a three-dimensional schematic diagram of a thermal therapy mechanism in a preferred embodiment of the utility model;
[0022] Figure 4 This is a three-dimensional exploded schematic diagram of a thermal therapy mechanism in a preferred embodiment of the utility model;
[0023] Figure 5 for Figure 4 A partial enlarged view of . DETAILED DESCRIPTION
[0024] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods.
[0025] See also Figure 1-Figure 4 A knee joint therapy device includes a support frame 1 and a thermal therapy mechanism 2.
[0026] The support frame 1 includes a support body 11 and a support upper cover 12. The support frame 1 includes a support cross frame 171 and two support legs 172. The two support legs 172 are connected to the two ends of the support cross frame 171. The support legs 172 and the support cross frame 171 form a lower surrounding channel 13 that can accommodate both legs and knees. The user's knee joint can be placed in the lower surrounding channel 13. The support upper cover 12 is covered on the support body 11. The support upper cover 12 is provided with operating buttons and other components.
[0027] The thermal therapy mechanism 2 includes a housing 21, a heating component 22 and a driving component, wherein the heating component 22 is disposed on the housing 21, and the driving component is connected between the support frame 1 and the housing 21 to drive the housing 21 to move up and down on the support frame 1. In this embodiment, the thermal therapy mechanism 2 moves up and down on the support body 11, and the thermal therapy mechanism 2 moves up and down on the support frame 1 to extend into the lower surrounding channel 13 in the height direction.
[0028] The driving component includes a driving motor 231, a transmission rod 232, two gears 233 and two racks 234. The driving motor 231 and the transmission rod 232 are arranged on the housing 21. The driving motor 231 is used to drive the transmission rod 232 to rotate. The two gears 233 are arranged at both ends of the transmission rod 232. The two racks 234 are respectively arranged on both sides of the support frame 1 along the height direction. The two gears 233 are respectively engaged with the two racks 234. The rotation of the transmission rod 232 can link the gears 233 to move on the racks 234. The driving component drives the transmission rod 232 to rotate, and the gears 233 at both ends of the transmission rod 232 rotate synchronously to move synchronously on the racks 234. The two sides of the thermal therapy mechanism 2 are more stable and reliable when moving up and down.
[0029] A gear assembly is also connected between the driving motor 231 and the transmission rod 232; the gear assembly is arranged at the middle position of the transmission rod 232. The gear assembly includes a first gear 241, a second gear 242, a worm 243 and a third gear 244; the driving motor 231 is connected to the first gear 241, the second gear 242 and the worm 243 are coaxially connected and rotatably arranged on the housing 21, the first gear 241 is meshed with the second gear 242, the worm 243 is meshed with the third gear 244, and the third gear 244 is arranged at the middle position of the transmission rod 232. The transmission rod 232 is rotated by the linkage of the first gear 241, the second gear 242, the worm gear and the third gear 244. In this embodiment, the first gear 241 and the second gear 242 are helical gears 233, the worm 243 extends in the height direction, the transmission rod 232 extends in the horizontal direction and the third gear 244 is arranged in the middle position of the transmission rod 232, so that the force is more balanced and the transmission is more stable.
[0030] The housing 21 includes a supporting housing 211 and a heating mask 212. The lower side of the supporting housing 211 is connected to the heating mask 212 to form an installation space. The heating component 22 is arranged in the installation space. The heating mask 212 is a hollow structure. In this embodiment, the heating component 22 is a graphene heating sheet.
[0031] The housing 21 is provided with a plurality of guide sleeves 213, and the support frame 1 includes a plurality of guide posts 14, and the guide sleeves 213 slide on the guide posts 14 along the height direction. In this embodiment, four guide sleeves 213 are provided, and the four guide sleeves 213 are respectively arranged at the four corners of the housing 21, and the number and position of the guide posts 14 are correspondingly arranged according to the number and position of the guide sleeves 213.
[0032] The shell 21 is provided with a plurality of spring limit plates 214; the support frame 1 is provided with an upper limit plate 15 and a lower limit plate 16; when the shell 21 moves to an upper limit position, the spring limit plate 214 abuts against the upper limit plate 15, and when the shell 21 moves to a lower limit position, the spring limit plate 214 abuts against the lower limit plate 16.
[0033] The above is only a preferred specific implementation method of the utility model, but the design concept of the utility model is not limited to this. Any technician familiar with the technical field who uses this concept to make non-substantial changes to the utility model within the technical scope disclosed by the utility model shall be deemed to infringe the protection scope of the utility model.
Claims
1. A knee joint physiotherapy device, characterized in that: Including support frame and thermal therapy mechanism; The thermal therapy mechanism comprises a shell, a heating component and a driving component, wherein the heating component is arranged on the shell, and the driving component is connected between the support frame and the shell to drive the shell to move up and down on the support frame; The driving component includes a driving motor, a transmission rod, two gears and two racks. The driving motor and the transmission rod are arranged on the shell. The driving motor is used to drive the transmission rod to rotate. The two gears are arranged at both ends of the transmission rod. The two racks are respectively arranged on both sides of the support frame along the height direction. The two gears are respectively meshed with the two racks. The rotation of the transmission rod can drive the gear to move on the rack.
2. A knee joint therapy device as claimed in claim 1, characterized in that: A gear assembly is also transmission-connected between the driving motor and the transmission rod; the gear assembly is arranged at the middle position of the transmission rod.
3. A knee joint therapy device as claimed in claim 2, characterized in that: The gear assembly includes a first gear, a second gear, a worm and a third gear; the drive motor is connected to the first gear, the second gear and the worm are coaxially connected and rotatably arranged on the housing, the first gear is meshed with the second gear, the worm is meshed with the third gear, and the third gear is arranged in the middle position of the transmission rod.
4. A knee joint therapy device as claimed in claim 3, characterized in that: The first gear and the second gear are helical gears, and the worm extends in a height direction.
5. A knee joint therapy device as claimed in claim 1, characterized in that: The shell includes a supporting shell and a heating mask; the lower side of the supporting shell is connected to the heating mask to form an installation space, the heating component is arranged in the installation space, and the heating mask is a hollow structure.
6. A knee joint physiotherapy device as claimed in claim 1 or 5, characterized in that: The heating component is a graphene heating sheet.
7. A knee joint therapy device as claimed in claim 1, characterized in that: The shell is provided with a plurality of guide sleeves, the support frame comprises a plurality of guide posts, and the guide sleeves slide on the guide posts along the height direction.
8. A knee joint therapy device as claimed in claim 1, characterized in that: The shell is provided with a plurality of spring limit plates; the support frame is provided with an upper limit plate and a lower limit plate; when the shell moves to an upper limit position, the spring limit plate abuts against the upper limit plate, and when the shell moves to a lower limit position, the spring limit plate abuts against the lower limit plate.
9. A knee joint therapy device as claimed in claim 1, characterized in that: The support frame includes a lower surrounding channel, and the lower surrounding channel is used to place the user's knee joint. The thermal therapy mechanism moves up and down on the support frame to extend into the lower surrounding channel along the height direction.
10. A knee joint physiotherapy device as claimed in claim 1, characterized in that: The support frame includes a support cross frame and two support legs, and the two support legs are connected to the two ends of the support cross frame; the support legs and the support cross frame form a lower surrounding channel that can accommodate both legs and knees; the thermal therapy mechanism moves up and down on the support frame to extend into the lower surrounding channel along the height direction.