Watchband and electrical stimulation tremor therapeutic apparatus

Abstract

The invention relates to the technical field of wearable equipment, and provides a watchband and an electrical stimulation tremor therapeutic apparatus, and the watchband comprises a first watchband main body which is used for wearing and installing a host; the second watchband main body is mounted on the first watchband main body, and the second watchband main body can be separated from the first watchband main body; the flexible circuit board is arranged in the second watchband main body and is used for signal transmission; the electrode assembly is mounted on the second watchband main body, one side of the electrode assembly is connected with the flexible circuit board in the second watchband main body, and the other side of the electrode assembly extends out of the outer side of the second watchband main body; the second watchband main body is installed on the first watchband main body, that is, the second watchband main body and the first watchband main body can be detached, when the flexible circuit board, the electrode assembly and the magnetic connection assembly are damaged, only the second watchband main body needs to be replaced, and replacement is more convenient; the disassembly and assembly mode is that disassembly is completed by separating the communicating assembly and the connecting assembly, and disassembly and assembly are easy and convenient.

Description

Technical Field

[0001] The present invention relates to the technical field of wearable devices, and in particular to a watch strap and an electrical stimulation tremor therapeutic device. Background Art

[0002] The wearable transcutaneous electrical stimulation device is a non-invasive treatment method for essential tremor. It is a wearable device worn on the wrist that stimulates the median nerve and radial nerve in the wrist. Through the transcutaneous afferent mode of nerves, it can stimulate the ventral intermediate nucleus (VIM) target of the thalamus. It is also called an external upper limb tremor stimulator. It is used to treat essential tremor or Parkinson's tremor.

[0003] In the related art, the strap is installed on the therapeutic device host, and the electrode assembly is installed on the therapeutic device host and the strap. When the electrode assembly or circuit is damaged, the strap on the host as well as the electrode assembly and circuit need to be replaced, which requires a complicated method or special personnel to replace. Please refer to the method of replacing the strap at hand. Summary of the invention

[0004] In view of the inconvenience of disassembly and assembly in the prior art, the object of the present invention is to provide a watch strap and an electrical stimulation tremor therapeutic device that are easy to disassemble and assemble.

[0005] To solve the above problems, the present invention provides the following technical solutions: A watch strap comprises: a first watch strap body, used for wearing and mounting on a host; A second strap body, mounted on the first strap body, the second strap body being separable from the first strap body; A flexible circuit board, installed inside the second strap body, for signal transmission; an electrode assembly, mounted on the second strap body, one side of the electrode assembly being connected to the flexible circuit board inside the second strap body, and the other side of the electrode assembly protruding out of the second strap body; the electrode assembly is used to output electrical stimulation; A connection component, used for installing or separating the host and the flexible circuit board; A connecting component, used for installing or separating the first strap body and the second strap body; When the connecting component enables the flexible circuit board to be installed with the host, and the connecting component enables the first strap body and the second strap body to be installed, the second strap body can be worn on the wrist for operation.

[0006] In some embodiments, the electrode assembly includes an electrode sheet and a rubber member; The rubber member covers the electrode sheet.

[0007] In some embodiments, the connection component includes a permanent magnet and a connector; The connector is mounted on the second strap body and connected to the flexible circuit board; The permanent magnet is installed on the connector and is located outside the connector; When the connector is connected to the host, the permanent magnet is adsorbed on the host so that the connector and the host are not separated.

[0008] In some embodiments, the strap further includes a fleece-surface Velcro, a hook-surface Velcro, and a female buckle of a male and female buckle provided on the second strap body; The fleece-surface Velcro is fixedly installed on the first strap body; The hook surface Velcro is fixedly installed with the second strap body; the hook surface Velcro is located at a side away from the connecting component; The female buckle of the male buckle is located at a side close to the connecting component, and the female buckle of the male buckle is used to be matched and fixed with the male buckle of the male buckle provided on the host; When the female buckle of the male buckle of the male buckle provided on the main unit is matched with the female buckle of the male buckle provided on the main unit, the connecting component is not easily separated from the main unit.

[0009] In some embodiments, the strap further comprises a slider, a track, a first magnet, and a second magnet; The slider is mounted on the first strap body, and the track is mounted on the second strap body; the second strap body is mounted on the first strap body via the slider and the track; The first magnet is installed on the first strap body, and the second magnet is installed on the second strap body; when the slider is fixed to the track, the first magnet and the second magnet are adsorbed.

[0010] In some embodiments, the strap further comprises a moving component; The moving assembly includes a push rod, a slide slot and a push block; One end of the push rod is mounted on the electrode assembly, the slide groove is provided on the side of the second strap body, and the other end of the push rod is placed in the slide groove; The push block slides in the slide groove and drives the push rod to move, and the push block drives the electrode assembly to move via the push rod.

[0011] In some embodiments, a clearance groove is provided on the second strap body, the electrode assembly is installed in the clearance groove, and the moving assembly enables the electrode assembly to move in the clearance groove.

[0012] In some embodiments, a first marking position and a second marking position are provided on the first strap body; The first marking position is located at an end of the first strap body away from the host; The second marking position is located on the end surface of the first strap body outside the electrode assembly; When the first watchband body is put on the wrist, the position of the electrode assembly at the second marking position is adjusted according to the mark of the first marking position at the corner position.

[0013] In some embodiments, the strap further comprises a fixing component, and the fixing component is used to fix the moving component; The fixing assembly includes a clip, which is mounted on the push block, and the push block can move axially relative to the push rod; When the push block moves into the slide groove along the axial direction of the push rod, the clip is clamped on the second strap body, the push block stops moving, and the push block stops moving the electrode assembly through the push rod; when the push block moves out of the slide groove along the axial direction of the push rod, the push block does not disengage from the slide groove, the clip disengages from the second strap body, the push block moves in the slide groove, and the push block drives the electrode assembly to move through the push rod.

[0014] In a second aspect, an embodiment of the present application provides an electrical stimulation tremor therapeutic device, comprising a host and a host and a watchband as described in the first aspect; The first strap body is installed on the host, and the second strap body is installed on the inner side of the host via a connecting component.

[0015] The beneficial effects of the present invention are: the second strap body is installed on the first strap body, that is, the second strap body and the first strap body can be removed. When the flexible circuit board, the electrode assembly and the magnetic connection assembly are damaged, only the second strap body needs to be replaced, and the replacement is more convenient; and the disassembly and assembly method is to separate the connecting assembly and the connecting assembly to complete the disassembly, which is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 An exploded view of the first strap body and the second strap body of the present invention; Figure 2 This is a three-dimensional diagram of the main body of the second watchband of the present invention; Figure 3 It is a three-dimensional diagram of the connection components of the present invention; Figure 4 A three-dimensional diagram of the host of the present invention; Figure 5 A stereoscopic diagram of the electrical stimulation tremor therapeutic apparatus of the present invention; Figure 6 is a cross-sectional view of the second strap body of the present invention; Figure 7This is another embodiment of the first strap body of the present invention; Figure 8 This is another embodiment of the second strap body of the present invention; Fig. 9 This is another embodiment of the second strap body of the present invention; Fig.10 This is another embodiment of the first strap body of the present invention; Fig.11 It is a cross-sectional view of another embodiment of the second strap body of the present invention; Fig.12 It is a cross-sectional view of another embodiment of the second strap body of the present invention; Fig.13 This is an enlarged view of point A of the present invention.

[0017] Reference numerals: 100, host; 110, first strap body; 120, second strap body; 130, flexible circuit board; 140, connection component; 150, electrode component; 160, connection component; 170, moving component; 180, fixed component; 200, jack; 141. permanent magnet; 142. connector; 151. electrode sheet; 152. rubber part; 161. Velcro; 162. Hook Velcro; 163. Snap-on buckle; 16a, track; 16b, slider; 16c, first magnet; 16d, second magnet; 171, push rod; 172, slide groove; 173, push block; 174, give way groove; 175, isolation layer; 181. Clip; 210, first marking position; 220, second marking position; 230, blind hole; 240, stopper. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0019] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0020] For the convenience of describing the first direction, the second direction and the third direction in the embodiment of the present application, the first direction is the left-right direction in the drawings, the second direction is the front-back direction in the drawings, and the third direction is the up-down direction in the drawings. The x-axis arrow direction is referred to as the "right" direction in the following text, the y-axis arrow direction is referred to as the "up" direction in the following text, and the z-axis arrow direction is referred to as the "back" direction in the following text, which is not limited to the actual application of the present application.

[0021] like Figure 1-2 as well as Figure 4-6 As shown, this embodiment provides a watch strap, which includes a first watch strap body 110 , a second watch strap body 120 , a flexible circuit board 130 , an electrode assembly 150 , a connecting assembly 140 and a connecting assembly 160 . The first strap body 110 is used for wearing and installation with the host 100; the second strap body 120 is installed on the first strap body 110, and the second strap body 120 can be separated from the first strap body 110; the flexible circuit board 130 is installed inside the second strap body 120 for signal transmission; the electrode assembly 150 is installed on the second strap body 120, one side of the electrode assembly 150 is connected to the flexible circuit board 130 inside the second strap body 120, and the other side of the electrode assembly 150 protrudes out of the second strap body 120; the electrode assembly 150 is used to output electrical stimulation; the connecting assembly 140 is used for installing or separating the host 100 and the flexible circuit board 130; the connecting assembly 160 is used for installing or separating the first strap body 110 and the second strap body 120; wherein, when the connecting assembly 140 enables the flexible circuit board 130 to be installed with the host 100, and the connecting assembly 160 enables the first strap body 110 and the second strap body 120 to be installed, the second strap body 120 can be worn on the wrist for operation. The arrangement of the connection component 140 and the connection component 160 facilitates the removal of the second strap body 120 from the first strap body 110. That is, when the second strap body 120 needs to be replaced, it is only necessary to separate the connection component 140 and the connection component 160, and it is not necessary to remove the first strap body 110 from the host 100. The flexible circuit board 130 and the electrode assembly 150 are both installed on the second strap body 120, that is, when the flexible circuit board 130 and the electrode assembly 150 are damaged, it is only necessary to replace the second strap body 120, which is more convenient.

[0022] like Figure 6 as well as Figure 11-12 As shown, in this embodiment, the electrode assembly 150 includes an electrode sheet 151 and a rubber member 152; the rubber member 152 covers the electrode sheet 151. That is, the electrode sheet 151 is covered by the rubber member 152, and the electrode sheet 151 contacts the skin through the rubber member 152. When the rubber member 152 contacts the skin, the rubber can better contact the skin under the deformation of the rubber, that is, when the electrode sheet 151 stimulates the median nerve and the radial nerve of the wrist, the stimulation effect is better.

[0023] In this embodiment, the second strap body 120 is made of a soft material such as silicone, rubber, TPE, TPU, etc., so that the second strap body 120 is more likely to come into contact with the skin.

[0024] like Figure 1 , Figure 3 as well as Figure 6 As shown, in this embodiment, the connection component 140 includes a permanent magnet 141 and a connector 142; the connector 142 is installed on the second strap body 120 and connected to the flexible circuit board 130; the permanent magnet 141 is installed on the connector 142 and is located outside the connector 142; when the connector 142 is connected to the host 100, the permanent magnet 141 is adsorbed on the host 100 so that the connector 142 and the host 100 are not separated. In other words, when the connector 142 is placed in the socket 200 of the host 100 and connected to the host 100, the permanent magnet 141 is adsorbed on the iron block or magnetic block installed in the socket 200; it is ensured that the connector 142 and the socket 200 are not separated, and when a collision occurs and the connector 142 is slightly separated, it is tightly connected again under the adsorption of the permanent magnet 141, thereby ensuring the normal transmission of the signal.

[0025] like Figure 1 as well as Figure 4As shown, in one embodiment, the connecting component 160 also includes a fleece-surface Velcro 161, a hook-surface Velcro 162, and a female buckle of a sub-fastener 163 provided on the second strap body 120; the fleece-surface Velcro 161 is fixedly installed on the first strap body 110; the hook-surface Velcro 162 is fixedly installed on the second strap body 120; the hook-surface Velcro 162 is located on the side away from the connecting component 140; the female buckle of the sub-fastener 163 is located on the side close to the connecting component 140, and the female buckle of the sub-fastener 163 is used to be matched and fixed with the male buckle of the sub-fastener 163 provided on the host 100; when the female buckle of the sub-fastener 163 is matched with the male buckle of the sub-fastener 163 provided on the host 100, the connecting component 140 is not easily separated from the host 100. That is to say, the first strap body 110 and the second strap body 120 are fixed by the fleece-surface Velcro 161 and the hook-surface Velcro 162, and the first strap body 110 and the host 100 are fixedly connected by the snap fastener 163; and the fixation by the fleece-surface Velcro 161 and the hook-surface Velcro 162 and the snap fastener 163 are convenient for the installation and separation of the second strap body 120. When the flexible circuit board 130 and the electrode assembly 150 on the second strap body 120 are damaged, it is sufficient to replace the second strap body 120 with a new one, which is simple and convenient to operate.

[0026] like Figure 7-8 As shown, in another embodiment, the connecting assembly 160 further includes a slider 16b, a track 16a, a first magnet 16c and a second magnet 16d; the slider 16b is mounted on the first strap body 110, and the track 16a is mounted on the second strap body 120; the second strap body 120 is mounted on the first strap body 110 via the slider 16b and the track 16a; the first magnet 16c is mounted on the first strap body 110, and the second magnet 16d is mounted on the second strap body 120; when the slider 16b and the track 16a are fixedly mounted, the first magnet 16c and the second magnet 16d are attracted. That is, the first strap body 110 and the second strap body 120 are first mounted together via the track 16a and the slider 16b, and the track 16a and the slider 16b prevent the first strap body 110 and the second strap body 120 from being separated from each other, thereby preventing the second strap body 120 from falling off from the first strap body 110. After the second strap body 120 is installed on the first strap body 110 via the slider 16b and the track 16a, the first magnet 16c attracts the corresponding second magnet 16d, so that the slider 16b no longer slides along the track 16a, and the second strap body 120 is not easily separated from the first strap body 110.

[0027] In another embodiment, there are multiple tracks 16a, each track 16a is placed horizontally along the strap body, the number of sliders 16b is consistent with the number of tracks 16a and they correspond one to one, and the sliders 16b can only slide along the tracks 16a under the action of the tracks 16a, so that the first strap body 110 and the first strap body 110 do not move away from each other.

[0028] In another embodiment, there are multiple first magnets 16c, which are respectively arranged on the first strap body 110 and the host 100, and there are multiple second magnets 16d, which are respectively located at the four corners and the middle of the second strap body 120, to ensure that after the second magnets 16d and the corresponding first magnets 16c are adsorbed, there is no excessive gap between the second strap body 120 and the first strap body 110.

[0029] like Fig. 9 as well as Figure 11-13 As shown, in this embodiment, the watchband further includes a moving assembly 170; the moving assembly 170 includes a push rod 171, a slide groove 172 and a push block 173. One end of the push rod 171 is mounted on the electrode assembly 150, the slide groove 172 is provided on the side of the second watchband body 120, and the other end of the push rod 171 is placed in the slide groove 172; the push block 173 slides in the slide groove 172 and drives the push rod 171 to move, and the push block 173 drives the electrode assembly 150 to move through the push rod 171. In other words, the slide groove 172 is provided on the side of the second watchband body 120 and arranged along the length direction, the push rod 171 and the push block 173 are both placed in the slide groove 172, and under the action of the push block 173, the electrode assembly 150 is driven to move along the length direction of the slide groove 172 with the push rod 171 through the push rod 171, so that the electrode assembly 150 can be adjusted.

[0030] like Fig. 9 as well as Figure 12-13 As shown, in this embodiment, a clearance groove 174 is provided on the second strap body 120, the electrode assembly 150 is installed in the clearance groove 174, and the moving assembly 170 enables the electrode assembly 150 to move in the clearance groove 174. That is, when the push block 173 enables the electrode assembly 150 to move along the length direction of the slide groove 172 via the push rod 171, the electrode assembly 150 will move in the clearance groove 174 along the clearance groove 174, so that the second strap body 120 does not block the movement of the electrode assembly 150, and the adjustment of the electrode assembly 150 is convenient.

[0031] In this embodiment, a slide groove 172 is provided on both sides of each electrode assembly 150, and two push rods 171 are installed on each electrode assembly 150, and each push rod 171 is placed in a slide groove 172. There are also two push blocks 173 corresponding to each electrode assembly 150, which are respectively placed in one of the slide grooves 172. The push blocks 173 are provided on both sides, so that the electrode assembly 150 can be pushed to move by the push blocks 173.

[0032] In this embodiment, a slide groove 172 is provided on one side of each electrode assembly 150, and a push rod 171 is installed on each electrode assembly 150. The push rod 171 is placed in one side of the slide groove 172. There is one push block 173 corresponding to each electrode assembly 150, and it is placed in the slide groove 172. By setting the push block 173 on one side, the operation is more convenient.

[0033] like Figure 7 as well as Figure 9-10 As shown, in this embodiment, a first mark position 210 and a second mark position 220 are provided on the first strap body 110. The first mark position 210 is located at one end of the first strap body 110 away from the host 100; the second mark position 220 is located on the end surface of the first strap body 110 outside the electrode assembly 150; when the first strap body 110 is put on the wrist, the position of the electrode assembly 150 at the second mark position 220 is adjusted according to the mark number of the first mark position 210 at the corner position. In other words, when worn on the wrist, the mark number of the first mark position 210 at the corner is identified, and then the moving assembly 170 is adjusted according to the mark number, so that the moving assembly 170 moves to the mark number of the corresponding second mark position 220, and at this time, the electrode assembly 150 is located at the corresponding median nerve or radial nerve; the accuracy of the electrical stimulation output by the electrode assembly 150 is ensured.

[0034] In this embodiment, the first marking position 210 is provided with a plurality of labels, which may be digital labels from 1 to 10, and the second marking position 220 is provided with a plurality of labels, which may be digital labels from 1 to 10, and the labels on the second marking position 220 correspond to the labels on the first marking position 210 one by one; that is, the label of the first marking position 210 at the corner is consistent with the label of the push block 173 at the second marking position 220, and the corner is as follows Figure 5 Although the push block 173 is located at the second marking position 220 and changes with the change of the first marking position 210, the corresponding electrode assembly 150 is always located on the median nerve or the radial nerve after the push block 173 moves.

[0035] like Figure 12-13As shown, in this embodiment, the watchband further includes a fixing assembly 180, which is used to fix the moving assembly 170. The fixing assembly 180 includes a clip 181, which is mounted on the push block 173, and the push block 173 can move axially relative to the push rod 171. When the push block 173 moves axially into the slide groove 172 along the push rod 171, the clip 181 is clamped on the second watchband body 120, the push block 173 stops moving, and the push block 173 stops moving the electrode assembly 150 through the push rod 171; when the push block 173 moves axially out of the slide groove 172 along the push rod 171, the push block 173 does not disengage from the slide groove 172, the clip 181 disengages from the second watchband body 120, the push block 173 moves in the slide groove 172, and the push block 173 drives the electrode assembly 150 to move through the push rod 171. That is to say, after the watchband is worn on the wrist, when adjustment is needed according to the first marking position 210, the push rod 171 is first moved outward along the axial direction of the push rod 171, and the push block 173 will drive the clip 181 to disengage from the second watchband body 120. When the clip 181 is separated from the second watchband body 120, the push block 173 is pushed to move along the length direction of the slide groove 172 until it reaches the corresponding position, and then the push block 173 is stopped from moving along the slide groove 172. Then, the push block 173 is moved inward along the axial direction of the push rod 171, so that the clip 181 is clamped on the second watchband body 120 again, and the push block 173 cannot be pushed to move along the slide groove 172.

[0036] like Figure 12-13 As shown, in this embodiment, a blind hole 230 is provided on the push block 173, and the bottom diameter of the blind hole 230 is larger than the diameter of the opening of the blind hole 230. A stopper 240 is fixed to the end of the push rod 171 away from the electrode assembly 150, and the diameter of the stopper 240 is larger than the diameter of the opening of the blind hole 230. The push rod 171 is placed in the blind hole 230, and the stopper 240 is located at the bottom of the blind hole 230. When the push block 173 moves along the axial direction of the push rod 171, under the action of the stopper 240, the push block 173 and the push rod 171 do not separate, making the operation more convenient, and there is no need to worry about the push block 173 and the push rod 171 being separated and lost.

[0037] like Fig.11 As shown, in this embodiment, the watchband further includes an isolation layer 175, which is placed in the clearance groove 174 and is located on both sides of the electrode assembly 150. The isolation layer 175 is made of elastic material. When the electrode assembly 150 moves, the isolation layer 175 does not hinder the movement of the electrode assembly 150 and always blocks the flexible circuit board 130. The isolation layer 175 is arranged so that the flexible circuit board 130 will not be exposed to the outside, and it can also be ensured that the flexible circuit board 130 will not contact the skin when worn.

[0038] like Figure 5As shown, this embodiment provides an electrical stimulation tremor therapeutic device, including a host 100 and a strap; a first strap body 110 is installed on the host 100, and a second strap body 120 is installed inside the host 100 via a connecting component 140. That is, the host 100 is used to receive and send signals, and the sent signals are used to control the operation of the electrode assembly 150 via the connecting component 140 and the flexible circuit board 130.

[0039] In summary, the present invention provides a watchband and an electrical stimulation tremor therapeutic device, which are installed on a first watchband body through a second watchband body, that is, the second watchband body and the first watchband body can be removed. When the flexible circuit board, the electrode assembly and the magnetic connection assembly are damaged, only the second watchband body needs to be replaced, and the replacement is more convenient. The disassembly and assembly method is to separate the connecting assembly and the connecting assembly to complete the disassembly, which is simple and convenient.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A watch strap, characterized in that: include: The first strap body is used for wearing and installation on the host; A second strap body, mounted on the first strap body, the second strap body being separable from the first strap body; A flexible circuit board, installed inside the second strap body, for signal transmission; an electrode assembly, mounted on the second strap body, one side of the electrode assembly being connected to the flexible circuit board inside the second strap body, and the other side of the electrode assembly protruding out of the second strap body; the electrode assembly is used to output electrical stimulation; A connection component, used for installing or separating the host and the flexible circuit board; A connecting component, used for installing or separating the first strap body and the second strap body; When the connecting component enables the flexible circuit board to be installed with the host, and the connecting component enables the first strap body and the second strap body to be installed, the second strap body can be worn on the wrist for operation.

2. The watch strap according to claim 1, characterized in that: The electrode assembly includes an electrode sheet and a rubber member; The rubber member covers the electrode sheet.

3. The watch strap according to claim 1, characterized in that: The connection component includes a permanent magnet and a connector; The connector is mounted on the second strap body and connected to the flexible circuit board; The permanent magnet is installed on the connector and is located outside the connector; When the connector is connected to the host, the permanent magnet is adsorbed on the host so that the connector and the host are not separated.

4. The watch strap according to claim 3, characterized in that: The connecting assembly includes a fleece-surface Velcro, a hook-surface Velcro, and a female buckle of a male and female buckle provided on the second strap body; The fleece-surface Velcro is fixedly installed on the first strap body; The hook surface Velcro is fixedly installed with the second strap body; the hook surface Velcro is located at a side away from the connecting component; The female buckle of the male buckle is located at a side close to the connecting component, and the female buckle of the male buckle is used to be matched and fixed with the male buckle of the male buckle provided on the host; When the female buckle of the male buckle of the male buckle provided on the main unit is matched with the female buckle of the male buckle provided on the main unit, the connecting component is not easily separated from the main unit.

5. The watch strap according to claim 1, characterized in that: The connection assembly also includes a slider, a track, a first magnet and a second magnet; The slider is mounted on the first strap body, and the track is mounted on the second strap body; the second strap body is mounted on the first strap body via the slider and the track; The first magnet is installed on the first strap body, and the second magnet is installed on the second strap body; when the slider is fixed to the track, the first magnet and the second magnet are adsorbed.

6. The watch strap according to claim 1, characterized in that: The watchband also includes a moving assembly; The moving assembly includes a push rod, a slide slot and a push block; One end of the push rod is mounted on the electrode assembly, the slide groove is provided on the side of the second strap body, and the other end of the push rod is placed in the slide groove; The push block slides in the slide groove and drives the push rod to move, and the push block drives the electrode assembly to move via the push rod.

7. The watch strap according to claim 6, characterized in that: The second strap body is provided with a clearance groove, the electrode assembly is installed in the clearance groove, and the moving assembly enables the electrode assembly to move in the clearance groove.

8. The watch strap according to claim 7, characterized in that: The first strap body is provided with a first marking position and a second marking position; The first marking position is located at an end of the first strap body away from the host; The second marking position is located on the end surface of the first strap body outside the electrode assembly; When the first watchband body is put on the wrist, the position of the electrode assembly at the second marking position is adjusted according to the mark of the first marking position at the corner position.

9. The watch strap according to claim 6, characterized in that: The watchband also includes a fixing component, which is used to fix the moving component; The fixing assembly includes a clip, which is mounted on the push block, and the push block can move axially relative to the push rod; When the push block moves into the slide groove along the axial direction of the push rod, the clip is clamped on the second strap body, the push block stops moving, and the push block stops moving the electrode assembly through the push rod; when the push block moves out of the slide groove along the axial direction of the push rod, the push block does not disengage from the slide groove, the clip disengages from the second strap body, the push block moves in the slide groove, and the push block drives the electrode assembly to move through the push rod.

10. An electrical stimulation tremor therapeutic device, characterized in that: It comprises a host and a watch strap as claimed in any one of claims 1 to 9; The first strap body is installed on the host, and the second strap body is installed on the inner side of the host via a connecting component.

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