Leg heating device

Abstract

The utility model discloses a leg heating device, which belongs to the technical field of leg protection, and comprises two protection pads, the surfaces of the two protection pads are fixedly connected with shells, the inner walls of the two shells are rotatably connected with rotating shafts through bearings, the surfaces of the rotating shafts are provided with winding rollers in a penetrating manner, and the winding rollers are connected with the shells through bearings. The surface of the rotating shaft is sleeved with a volute spiral spring, one end of the volute spiral spring is fixedly connected to the side face of each winding roller, the other end of the volute spiral spring is fixedly connected to the side face of the inner wall of the shell, the surfaces of the two winding rollers are connected with a transmission line in a wound mode, and through holes are formed in the surfaces of the two shells. By arranging the winding roller and the rotating shaft, the winding roller and the rotating shaft can be conveniently driven to automatically rotate, the transmission line can be automatically wound and unwound, the transmission line is prevented from influencing walking of people, by arranging the clamping plate, the plug can be conveniently limited, the power line and the plug are prevented from influencing walking of people, and the purpose of facilitating movement is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of leg protection, and more specifically, to a leg heating device. Background Art

[0002] The leg heating device is a device that is used to be tied to the legs and can generate heat to make the human legs feel warmer and more comfortable. It usually has a heating pad that is tied to the legs like a knee pad, and the heating pad is connected to an external power source through an electrical connector.

[0003] When using existing leg heating devices, they all need to be powered by a power plug due to their high power consumption. When people need to move temporarily, such as going to the toilet or taking items, they need to remove the heating device from the leg, return to its original position, and then wear the heating device on the leg. However, it is impossible to carry out short activities while wearing the heating device, which is inconvenient to use. Utility Model Content

[0004] (1) Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a leg heating device which is convenient for temporary activities.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides a leg heating device, including a protective pad, wherein there are two protective pads, the surfaces of the two protective pads are fixedly connected to a shell, the inner walls of the two shells are rotatably connected to a rotating shaft through a bearing, a winding roll is penetrated through the surface of the rotating shaft, a volute spring is sleeved on the surface of the rotating shaft, one end of the volute spring is fixedly connected to the side of the winding roll, and the other end of the volute spring is fixedly connected to the side of the inner wall of the shell, a transmission line is wound around the surfaces of the two winding rolls, and through holes are opened on the surfaces of the two shells, one of the protective pads is fixedly connected to a controller, the surface of the controller is fixedly connected to a power cord, the other end of the power cord is fixedly connected to a plug, and one of the protective pads is fixedly connected to a clamping plate.

[0008] When a leg heating device of the present technical solution is used, a spiral spring is provided to facilitate the automatic rotation of the winding roller and the rotating shaft, thereby facilitating the automatic retraction and extension of the transmission line, thereby preventing the transmission line from affecting people's movement. A card plate is provided to facilitate the position limiting of the plug, thereby preventing the power cord and the plug from affecting people's movement, thereby achieving the purpose of facilitating activities.

[0009] Furthermore, a plurality of heating wires are arranged on the surfaces of the two pads.

[0010] Furthermore, the surfaces of the two pads are fixedly connected with a plurality of Velcro strips.

[0011] Furthermore, both surfaces of the pads are provided with notches.

[0012] Furthermore, control buttons are arranged on the surface of the controller.

[0013] Furthermore, the surfaces of the two pads are provided with a leather layer.

[0014] Furthermore, the inner walls of the two pads are both provided with a plush layer.

[0015] (3) Beneficial effects

[0016] In summary, the utility model has the following beneficial effects:

[0017] 1. This leg heating device is convenient for driving the winding roll and the rotating shaft to rotate automatically by setting a spiral spring, so as to facilitate the automatic retraction and extension of the transmission line, thereby preventing the transmission line from affecting people's walking. By setting a card plate, it is convenient to limit the plug, thereby preventing the power cord and the plug from affecting people's walking, thereby achieving the purpose of facilitating activities. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the drawings required for describing the specific implementation or the prior art will be briefly introduced below. Obviously, the drawings described below are only one implementation of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0020] Figure 2 for Figure 1 The enlarged structural diagram at A in the middle;

[0021] Figure 3 This is a rear view structural diagram of the utility model;

[0022] Figure 4 for Figure 3 Enlarged structural diagram at B in the middle.

[0023] The symbols in the accompanying drawings are:

[0024] 1. Protective pad; 2. Shell; 3. Rotating shaft; 4. Winding roller; 5. Vortex spring; 6. Transmission line; 7. Through hole; 8. Controller; 9. Power cord; 10. Plug; 11. Cardboard; 12. Heating wire; 13. Velcro; 14. Notch; 15. Control button. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the utility model easy to understand, the technical scheme in the specific implementation mode of the utility model is clearly and completely described below to further illustrate the utility model. Obviously, the specific implementation mode described is only a part of the implementation mode of the utility model, not all styles.

[0026] Example:

[0027] The following is combined with Figure 1-4 The utility model is described in further detail.

[0028] See also Figure 1-4 The utility model provides a technical solution: a leg heating device, including a protective pad 1, a total of two protective pads 1, the surfaces of the two protective pads 1 are fixedly connected with a shell 2, the inner walls of the two shells 2 are rotatably connected with a rotating shaft 3 through a bearing, a winding roll 4 is penetrated on the surface of the rotating shaft 3, a volute spring 5 is sleeved on the surface of the rotating shaft 3, one end of the volute spring 5 is fixedly connected to the side of the winding roll 4, and the other end of the volute spring 5 is fixedly connected to the side of the inner wall of the shell 2, the surfaces of the two winding rolls 4 are wound with a transmission line 6, and the surfaces of the two shells 2 are opened with a through hole 7, one of the protective pads 1 is fixedly connected to the surface of the controller 8, the surface of the controller 8 is fixedly connected to the power cord 9, and the other end of the power cord 9 is fixedly connected to the plug 10. A clamping plate 11 is fixedly connected to the surface of one of the pads 1. By setting the spiral spring 5, it is convenient to drive the winding roll 4 and the rotating shaft 3 to rotate automatically, so as to facilitate the automatic retraction and release of the transmission line 6, so as to avoid the transmission line 6 affecting people's walking. By setting the clamping plate 11, it is convenient to limit the plug 10, so as to avoid the power cord 9 and the plug 10 affecting people's walking, so as to achieve the purpose of facilitating activities.

[0029] Specifically, a plurality of heating wires 12 are disposed on the surfaces of the two pads 1 .

[0030] By adopting the above technical solution and providing the heating wire 12, it is convenient to heat the pad 1 and the legs.

[0031] Specifically, a plurality of Velcro strips 13 are fixedly connected to the surfaces of the two pads 1 .

[0032] By adopting the above technical solution and providing the Velcro 13, it is convenient to wear the pad 1 on the leg.

[0033] Specifically, a notch 14 is formed on the surface of the two pads 1 .

[0034] By adopting the above technical solution and providing the notch 14, it is convenient for people to bend their legs.

[0035] Specifically, the surface of the controller 8 is provided with control buttons 15, the surfaces of the two pads 1 are provided with leather layers, and the inner walls of the two pads 1 are provided with plush layers.

[0036] By adopting the above technical solution and providing the leather layer and the plush layer, the warming effect of the pad 1 is improved.

[0037] The working principle of the utility model is as follows: when in use, the pad 1 is worn on the leg through the Velcro 13, the plug 10 is plugged into the surface of the plug board, the heating wire 12 is operated through the controller 8 and the operating button to heat the pad 1 and the leg, and under the action of the transmission line 6, another set of heating wires 12 is operated. When people need to move, the plug 10 is removed from the surface of the plug board and the plug 10 is clamped on the surface of the clamping plate 11 to prevent the power cord 9 and the plug 10 from affecting people's walking. During the walking process, the volute spring 5 drives the winding roll 4 and the rotating shaft 3 to rotate automatically, and the transmission line 6 is automatically retracted and released to prevent the transmission line 6 from being too long or too short to affect people's walking.

[0038] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A leg heating device, comprising a protective pad (1), characterized in that: There are two protective pads (1) in total. The surfaces of the two protective pads (1) are fixedly connected to a shell (2). The inner walls of the two shells (2) are rotatably connected to a rotating shaft (3) through bearings. A winding roll (4) is passed through the surface of the rotating shaft (3). A spiral spring (5) is sleeved on the surface of the rotating shaft (3). One end of the spiral spring (5) is fixedly connected to the side of the winding roll (4). The other end of the spiral spring (5) is fixedly connected to the side of the inner wall of the shell (2). The surfaces of the two winding rolls (4) are wound with a transmission line (6). The surfaces of the two shells (2) are provided with a through hole (7). The surface of one of the protective pads (1) is fixedly connected to a controller (8). The surface of the controller (8) is fixedly connected to a power cord (9). The other end of the power cord (9) is fixedly connected to a plug (10). The surface of one of the protective pads (1) is fixedly connected to a clamping plate (11).

2. A leg heating device according to claim 1, characterized in that: A plurality of electric heating wires (12) are arranged on the surfaces of the two pads (1).

3. A leg heating device according to claim 1, characterized in that: The surfaces of the two protective pads (1) are both fixedly connected with a plurality of Velcro strips (13).

4. A leg heating device according to claim 1, characterized in that: The surfaces of the two pads (1) are both provided with notches (14).

5. A leg heating device according to claim 1, characterized in that: The surface of the controller (8) is provided with control buttons (15).

6. A leg heating device according to claim 1, characterized in that: The surfaces of the two pads (1) are provided with a leather layer.

7. A leg heating device according to claim 1, characterized in that: The inner walls of the two pads (1) are both provided with a plush layer.

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