A portable functional electrical stimulator with easy electrode replacement

Abstract

The utility model discloses a portable functional electric stimulator convenient to replace electrode, including host computer, be equipped with electrode on the host computer, be equipped with two bottom groove on the host computer shell, two bottom groove in through bearing seat common rotation installation have double -end screw rod, be equipped with power mechanism of connection with double -end screw rod on the host computer shell, the nut is equipped with on the outer wall of double -end screw rod thread cover, fixedly be equipped with the link sleeve on the nut. The utility model discloses through setting up two movable movable frame on the host computer shell, when equipment is placed on the desktop and uses, and movable frame expands and forms the support structure, makes the host computer and the desktop keep a certain interval. Even if the desktop appears waterlogging or liquid splashing situation, the host computer also will not directly contact with liquid, thereby effectively avoids the short circuit, damage etc. caused by liquid invasion, significantly improves the waterproof, the ability of preventing the ability of preventing, prolongs the service life of equipment.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and in particular to a portable functional electrical stimulator with easily replaceable electrodes. Background Technology

[0002] The principle of electric arc stimulation therapy is that receptors in the skin generate nerve impulses after receiving electric arc stimulation. These impulses are transmitted to the central nervous system via the spinal and cranial nerves. Through repeated stimulation of damaged and dormant neurons, these impulses are repaired and activated, gradually restoring the neuronal conduction and neurotransmitter release functions, thereby improving the function of the nervous system and muscles. With the development of technology, various electrotherapy devices have emerged.

[0003] The existing arc stimulator with public announcement number CN211751797U, while enabling convenient electrode replacement, suffers from shortcomings in portability and protection. In practical use, this type of portable functional electrical stimulator lacks dedicated support components. When placed on a desktop, if water accumulates or liquid is spilled, the main unit directly contacts the surface, making it highly susceptible to damage from liquid seepage, affecting normal use and lifespan. Furthermore, the lack of a grippy design makes the device difficult to hold stably during transport, hindering its portability and reducing its practicality and user experience. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of existing technologies and propose a portable functional electrical stimulator with easily replaceable electrodes.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A portable functional electrical stimulator with easily replaceable electrodes includes a main unit, on which electrodes are provided. The main unit housing has two bottom grooves, and a double-ended screw is rotatably mounted in the two bottom grooves via bearing seats. The main unit housing has a power mechanism connected to the double-ended screw. A nut is threaded onto the outer wall of the double-ended screw, and a connecting sleeve is fixedly mounted on the nut. A positioning frame is slidably mounted through the connecting sleeve via an elastic mechanism. A movable frame is installed inside the connecting sleeve, and the movable frame has an annular groove corresponding to the positioning frame.

[0007] Preferably, the power mechanism includes a drive motor mounted on the main unit housing via a motor mount, and the output shaft of the drive motor is connected to a double-ended screw via a coupling.

[0008] Preferably, the elastic mechanism includes a spring sleeved on the outside of the positioning frame rod, with both ends of the spring connected to the outer wall of the connecting sleeve and the outer wall of the positioning frame head, respectively.

[0009] Preferably, a limiting rod is fixedly provided in the bottom groove, and the limiting rod is parallel to the double-ended screw and slides through the nut.

[0010] Preferably, a gear is fixedly mounted on the movable frame, and a rack is fixedly mounted in the bottom groove, with the gear meshing with the rack.

[0011] Preferably, the adhesive sleeve on the movable frame is provided with a protective sleeve, which is made of rubber and has anti-slip protrusions on its surface.

[0012] The beneficial effects of this utility model are:

[0013] 1. By incorporating two movable supports on the main unit's casing, the supports unfold to form a support structure when the device is placed on a desktop, maintaining a certain distance between the main unit and the desktop. Even if water accumulates on the desktop or liquid is spilled, the main unit will not directly contact the liquid, effectively preventing short circuits and damage caused by liquid intrusion. This significantly improves the device's waterproof and damage-resistant capabilities and extends its service life.

[0014] 2. The drive motor rotates the double-headed screw, allowing the two movable frames to move closer together and tilt under the cooperation of the rack and pinion, forming a structure similar to a shopping basket handle. This design makes it easy for users to grip with one or two hands, making it easier and more stable to carry, whether for medical staff to transfer the equipment between different treatment scenarios or for patients to move it at home, greatly improving the portability and flexibility of the equipment.

[0015] 3. Utilizing the elastic mechanism of the spring and positioning frame, in scenarios where the movable frame is not needed, simply pull the positioning frame downwards to disengage it from the annular groove on the movable frame, allowing for easy disassembly of the movable frame and gears from the bottom groove. This detachable design reduces the space occupied when the equipment is idle, while also allowing users to flexibly adjust the equipment structure according to actual needs, further enhancing the product's adaptability and user autonomy. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the back structure of a portable functional electrical stimulator that facilitates electrode replacement, as proposed in this utility model.

[0017] Figure 2 for Figure 1 A schematic diagram of the structure viewed from below from the front;

[0018] Figure 3 for Figure 2 Enlarged schematic diagram of the structure at point A;

[0019] Figure 4 This is a schematic diagram of the movable frame.

[0020] In the diagram: 1. Main unit, 2. Electrode, 3. Movable frame, 4. Bottom groove, 5. Double-ended screw, 6. Drive motor, 7. Nut, 8. Limiting rod, 9. Connecting sleeve, 10. Positioning frame, 11. Spring, 12. Gear, 13. Rack, 14. Annular groove. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Reference Figure 1 A portable functional electrical stimulator with easily replaceable electrodes includes a main unit 1, on which electrodes 2 are mounted. The main unit 1 and electrodes 2 are referenced in patent publication (announcement) number CN211751797U, titled "Arc Stimulator." The convenient replacement of electrodes 2 is already disclosed in that design and will not be repeated here. This design improves upon portability as follows:

[0023] Reference Figure 2-4 The main unit 1 has two bottom grooves 4 on its outer casing. A double-headed screw 5 is rotatably installed in the two bottom grooves 4 through bearing seats. The main unit 1 has a power mechanism connected to the double-headed screw 5 on its outer casing. A nut 7 is threaded on the outer wall of the double-headed screw 5. A connecting sleeve 9 is fixed on the nut 7. A positioning frame 10 is slidably inserted through the connecting sleeve 9 through an elastic mechanism. A movable frame 3 is installed inside the connecting sleeve 9. The movable frame 3 has an annular groove 14 corresponding to the positioning frame 10.

[0024] The power mechanism includes a drive motor 6 mounted on the housing of the main unit 1 via a motor mount. The output shaft of the drive motor 6 is connected to the double-ended screw 5 via a coupling. The drive motor 6 is a conventional power unit that can drive the double-ended screw 5 to rotate after being powered on.

[0025] The elastic mechanism includes a spring 11 sleeved on the outside of the rod of the positioning frame 10. The two ends of the spring 11 are connected to the outer wall of the connecting sleeve 9 and the outer wall of the head of the positioning frame 10, respectively. As shown in the figure, the positioning frame 10 has a T-shaped design. The elastic potential energy provided by the spring 11 is sufficient to enable the positioning frame 10 to be dragged, ensuring that the rod is inside the connecting sleeve 9 and within the annular groove 14 on the movable frame 3. In this state, the movable frame 3 cannot move away from the connecting sleeve 9.

[0026] A limiting rod 8 is fixedly installed inside the bottom groove 4. The limiting rod 8 is parallel to the double-ended screw 5 and slides through the nut 7. The function of the limiting rod 8 is to limit the nut 7 and prevent the nut 7 from rotating with the double-ended screw 5.

[0027] A gear 12 is fixedly mounted on the movable frame 3, and a rack 13 is fixedly mounted in the bottom groove 4. The gear 12 meshes with the rack 13. When the gear 12 moves with the movable frame 3, the connecting sleeve 9, and the nut 7, it can mesh with the rack 13, thereby driving the movable frame 3 to rotate relative to the connecting sleeve 9 and other components.

[0028] The movable frame 3 has a protective sleeve attached to its adhesive sleeve. The protective sleeve is made of rubber and has anti-slip bumps on its surface. The aforementioned rubber protective sleeve with anti-slip bumps can prevent friction damage between the movable frame 3 and the table surface, and ensure the stability of the entire device when placed.

[0029] All standard parts used in this application can be purchased from the market, and can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. The control method is automatic control through a controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art and is common knowledge in the field. Since this application is mainly used to protect mechanical devices, the control method and circuit connection will not be explained in detail in this application.

[0030] When this utility model is in use, as shown in the figure, the distance between the two movable frames 3 is at its maximum. At this time, the two movable frames 3 serve as support for the main unit 1. When placed on the table for use, there is a gap between the main unit 1 and the table. Even if a water cup is spilled on the table and water accumulates on the table, it will not affect the use of the main unit 1.

[0031] When the main unit 1 needs to be moved, the drive motor 6 can be started to drive the double-headed screw 5 to rotate. When the double-headed screw 5 rotates, the two nuts 7 will move. The two nuts 7 and the movable frame 3 and other components will move closer together. At this time, the gear 12 on the movable frame 3 will rotate under the action of the rack 13. The two movable frames 3 will eventually approach each other and tilt (just like the two tilted handles on a supermarket shopping basket). At this time, the two movable frames 3 can be grasped and the main unit 1 and other components can be lifted and transferred.

[0032] In this solution, the positioning frame 10 can be pulled downwards to stretch the spring 11 and disengage the rod from the annular groove 14. Then the movable frame 3 loses its limit and can move horizontally and disengage from the connecting sleeve 9. Subsequently, both the movable frame 3 and the gear 12 can be disassembled from the bottom groove 4, and can be easily disassembled in scenarios where the movable frame 3 is not needed.

[0033] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A portable functional electrical stimulator with easily replaceable electrodes, comprising a main unit (1), characterized in that, The host (1) is provided with electrodes (2), and the host (1) housing is provided with two bottom grooves (4). A double-headed screw (5) is installed in the two bottom grooves (4) through bearing seats. The host (1) housing is provided with a power mechanism connected to the double-headed screw (5). A nut (7) is threaded on the outer wall of the double-headed screw (5). A connecting sleeve (9) is fixed on the nut (7). A positioning frame (10) is slidably passed through the connecting sleeve (9) through an elastic mechanism. A movable frame (3) is installed in the connecting sleeve (9). The movable frame (3) is provided with an annular groove (14) corresponding to the positioning frame (10).

2. The portable functional electrical stimulator with easily replaceable electrodes according to claim 1, characterized in that, The power mechanism includes a drive motor (6) mounted on the housing of the main unit (1) via a motor mount, and the output shaft of the drive motor (6) is connected to a double-ended screw (5) via a coupling.

3. A portable functional electrical stimulator with easily replaceable electrodes according to claim 2, characterized in that, The elastic mechanism includes a spring (11) sleeved on the outside of the rod of the positioning frame (10), and the two ends of the spring (11) are respectively connected to the outer wall of the connecting sleeve (9) and the outer wall of the head of the positioning frame (10).

4. A portable functional electrical stimulator with easily replaceable electrodes according to claim 3, characterized in that, A limiting rod (8) is fixedly provided in the bottom groove (4). The limiting rod (8) is parallel to the double-headed screw (5) and slides through the nut (7).

5. A portable functional electrical stimulator with easily replaceable electrodes according to claim 4, characterized in that, A gear (12) is fixedly mounted on the movable frame (3), and a rack (13) is fixedly mounted in the bottom groove (4). The gear (12) meshes with the rack (13).

6. A portable functional electrical stimulator with easily replaceable electrodes according to claim 5, characterized in that, The movable frame (3) is fitted with a protective sleeve, which is made of rubber and has anti-slip protrusions on its surface.

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