Intelligent wearable cardiac ultrasonic auxiliary diagnosis instrument

Abstract

The invention relates to the technical field of cardiac ultrasonic auxiliary diagnosis, in particular to an intelligent wearable cardiac ultrasonic auxiliary diagnosis instrument which comprises a vest, the vest can be worn in front of the chest and covers the chest of a user, an ultrasonic auxiliary diagnosis mechanism is detachably installed on the outer surface of the front side of the vest, and the ultrasonic auxiliary diagnosis mechanism is provided with an ultrasonic module used for monitoring the heart of the user. A first elastic part, an electrode plate, a mounting box and other parts are arranged, a rubber pad is rotated during use, then the rubber pad drives a rotating rod to rotate, then the mounting box moves towards the chest of the human body, then the first elastic part is extruded, the chest of the human body presents an uneven surface, and the structure and function information of the heart can be obtained in real time. Therefore, under the action of the mounting box and the first elastic piece, each surface of the electrode plate is tightly attached to the chest of the human body, so that the monitoring effect is more accurate and stable, and the diagnosis precision is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of cardiac ultrasound auxiliary diagnosis, and in particular to an intelligent wearable cardiac ultrasound auxiliary diagnosis instrument. Background Art

[0002] A cardiac ultrasound assistant is a medical device specifically used for cardiac ultrasound examinations, which uses ultrasound technology to observe and evaluate the structure and function of the heart. A cardiac ultrasound assistant is usually composed of an ultrasound transmitter and receiver responsible for emitting ultrasound and receiving reflected signals, a console for the control and processing unit, a display screen for displaying ultrasound images and related data, and a probe placed on the patient's chest. A cardiac ultrasound assistant not only provides doctors with a non-invasive, high-resolution diagnostic tool, but also helps patients detect heart problems at an early stage, so that effective treatment measures can be taken, improving the quality of life and treatment effects of heart disease patients.

[0003] Existing cardiac ultrasound auxiliary diagnostic instruments, such as Chinese document CN202311171711.0, discloses an intelligent wearable cardiac ultrasound auxiliary diagnostic instrument. Although the patent can activate the micro air pump to perform cardiopulmonary resuscitation on the user when it is determined that the user is accidentally unconscious through the coordinated use of an acceleration sensor, a micro air pump, an extrusion air bag and a pressing device, the electrode patch of the patent is pasted on the user's heart position, and it is easy to fall off or shift when the user is active, which makes the recorded electrical signal unstable or incomplete, thereby affecting the accuracy of the measurement. In view of this, the present invention provides an intelligent wearable cardiac ultrasound auxiliary diagnostic instrument to solve the above-mentioned technical problems. Summary of the invention

[0004] In order to overcome the technical problems mentioned in the background technology, the present invention provides an intelligent wearable cardiac ultrasound auxiliary diagnostic instrument.

[0005] The technical solution is: an intelligent wearable cardiac ultrasound auxiliary diagnostic instrument, including a vest, which can be worn on the chest to cover the user's chest, and an ultrasound auxiliary diagnostic mechanism is detachably installed on the front outer surface of the vest. The ultrasound auxiliary diagnostic mechanism is provided with an ultrasound module for monitoring the functional state of the user's heart to obtain the structural and functional information of the heart in real time. An adjustment groove is provided on the right side of the vest, and a side drawstring is provided in the adjustment groove. Both ends of the side drawstring are fixedly connected to the front and back surfaces of the vest, and a stretching mechanism for stretching the front and back surfaces of the vest is provided on the left side of the vest. An adjustment mechanism for adjusting the vertical height of the ultrasound auxiliary diagnostic mechanism is provided on the upper part of the vest, and an anti-sweat pad is pasted inside the vest.

[0006] As a further preferred embodiment, the ultrasound-assisted diagnosis mechanism includes at least four rubber balls fixedly connected to the outer surface of the front side of the vest, an installation box is provided on the front side of the vest, the installation box is buckled and connected to the rubber balls, an electrode sheet is provided on the side of the installation box close to the human chest, the electrode sheet has an ultrasonic module built in, a rubber disc is provided between the electrode sheet and the installation box, at least four first elastic members are provided between the rubber disc and the installation box, the two ends of the first elastic member are respectively fixed to the rubber disc and the installation box, at least eight rubber blocks are provided between the rubber disc and the electrode sheet, and the two sides of the rubber block are respectively fixed to the rubber disc and the electrode sheet.

[0007] As a further preferred solution, the ultrasound-assisted diagnosis mechanism further comprises a controller fixedly connected to the side of the rubber disc away from the human chest, and the controller is electrically connected to the electrode sheet.

[0008] As a further preferred solution, a rubber pad is detachably connected to a side of the rotating rod away from the human chest.

[0009] As a further preferred embodiment, the ultrasound-assisted diagnosis mechanism also includes a rotating rod arranged in the middle of the installation box, the rotating rod is threadedly connected to the installation box, a clamping rod is fixedly connected to the side of the rotating rod close to the human chest, and a first clamping block is fixedly connected to the side of the controller housing away from the human chest, a protrusion is provided on the clamping rod, and the first clamping block is provided with a groove matching the protrusion on the clamping rod.

[0010] As a further preferred embodiment, the adjustment mechanism includes shoulder straps arranged on the upper part of the vest, the shoulder straps and the vest are connected to each other by a restraint belt, the two ends of the restraint belt are respectively fixed to the shoulder straps and the vest, the restraint belt is provided with a clamping ring, the restraint belt can be folded into a continuous Z shape, and the clamping ring can fix the restraint belt folded into the Z shape.

[0011] As a further preferred solution, a bag for storing spare batteries is fixedly connected to the front outer surface of the vest.

[0012] As a further preferred embodiment, the stretching mechanism comprises at least four inner side bands fixedly connected to the left side of the vest, an outer side band is arranged on the left side of the vest, and the inner side bands and the outer side bands are connected to each other by Velcro.

[0013] As a further preferred embodiment, the stretching mechanism includes at least four inner side bands fixedly connected to the left side of the vest, an outer side band is provided on the left side of the vest, a drawstring is provided on the front outer surface of the vest, at least two slots are provided on the outer side wall of the rotating rod, a connecting component is provided in the slot, and a clamping structure that cooperates with the slot is provided on the connecting component, the connecting component includes a connecting block, a second clamping block and a second elastic member, the connecting block is slidably connected to the slot, a slide groove is provided on the connecting block, a second clamping block is slidably connected in the slide groove, a second elastic member is provided between the second clamping block and the connecting block, two ends of the second elastic member are respectively fixedly connected to the second clamping block and the connecting block, two ends of the outer side band are respectively fixedly connected to the vest and one end of the drawstring, and the other end of the drawstring passes through the inner side band on the front side of the vest and is fixedly connected to the connecting block.

[0014] Compared with the prior art, the present invention has the following advantages: The present invention is provided with components such as a first elastic member, an electrode sheet and a mounting box. When in use, the rubber pad is rotated, and then the rubber pad drives the rotating rod to rotate, so that the mounting box moves toward the human chest, and then the first elastic member is squeezed. Since the human chest presents an uneven surface, under the action of the mounting box and the first elastic member, each part of the electrode sheet is tightly attached to the human chest. In this way, the electrode sheet will not fall off or deviate when the user exercises, so that the monitoring effect is more accurate and stable, and the accuracy of diagnosis is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0016] Figure 2 It is another three-dimensional structural schematic diagram of the present invention.

[0017] Figure 3 It is a cross-sectional view of the ultrasound diagnosis-assisted mechanism and the vest of the present invention.

[0018] Figure 4 It is a cross-sectional view of the ultrasound-assisted diagnosis mechanism of the present invention.

[0019] Figure 5 It is a schematic structural diagram of the rotating rod and the connecting parts of the present invention.

[0020] Figure 6 It is a cross-sectional view of the rotating rod and the connecting component of the present invention.

[0021] Figure 7 It is a schematic structural diagram of the regulating mechanism of the present invention.

[0022] Figure 8 It is a schematic structural diagram of the clamping ring of the present invention.

[0023] The reference numbers in the figure are as follows: 1-vest, 101-adjustment slot, 102-anti-sweat pad, 2-ultrasound auxiliary diagnosis mechanism, 201-rubber card ball, 202-installation box, 203-electrode sheet, 204-rubber disc, 205-first elastic member, 206-rubber block, 211-rotating rod, 2111-limiting slot, 212-card rod, 213-first card block, 221-controller, 222-rubber pad, 3-side drawstring, 4-stretching mechanism, 401-inner sideband, 402-outer sideband, 411-pull rope, 412-card slot, 413-connecting component, 4131-connecting block, 4132-second card block, 4133-second elastic member, 5-adjustment mechanism, 501-shoulder strap, 502-binding belt, 503-card ring, 6-placement bag. DETAILED DESCRIPTION

[0024] The technical solution is further described below in conjunction with specific embodiments. It should be noted that the words indicating directions such as up, down, left, and right mentioned in this article are only for the position of the structure shown in the corresponding drawings. The serial numbers of the parts in this article, such as first, second, etc., are only used to distinguish the objects described and do not have any order or technical meaning. The words such as connection and coupling in this application include direct and indirect connection (coupling) unless otherwise specified.

[0025] An intelligent wearable cardiac ultrasound auxiliary diagnostic instrument, such as Figure 1-Figure 8As shown, it includes a vest 1, which is made of medical silicone. The medical silicone is not only soft but also has antibacterial properties, which can ensure the hygiene and safety of the vest 1 in contact with the skin, but also can effectively fix electronic equipment to ensure the accuracy and stability of cardiac ultrasound examination, so that the user maintains comfort and increases the convenience of long-term use. The vest 1 can be worn on the chest to cover the user's chest. The front outer surface of the vest 1 is detachably installed with an ultrasound auxiliary diagnosis mechanism 2 and a placement bag 6 for storing spare batteries. The ultrasound auxiliary diagnosis mechanism 2 is provided with an ultrasound module for monitoring the functional state of the user's heart to obtain the structure and function information of the heart in real time. An adjustment groove 101 is provided on the right side of the vest 1, and a side drawstring 3 is provided in the adjustment groove 101. Both ends of the side drawstring 3 are fixedly connected to the front and back surfaces of the vest 1. A stretching mechanism 4 for stretching the front and back of the vest 1 is provided on the left side of the vest 1, and an adjustment for adjusting the vertical height of the ultrasound auxiliary diagnosis mechanism 2 is provided on the upper part of the vest 1. Mechanism 5, an anti-sweat pad 102 is pasted inside the vest 1, and the material of the anti-sweat pad 102 is hygroscopic cotton cloth. The hygroscopic cotton cloth can quickly absorb sweat, keep the user dry and comfortable, improve the comfort and use experience of the vest 1, and at the same time protect the internal electronic equipment from sweat, ensuring the stability and performance of the equipment. Among them, the material used for the side drawstring 3 is elastic cotton cloth, which is suitable for long-term wear and will not produce excessive pressure or discomfort. When used specifically, the user first puts on the vest 1 so that the front side of the vest 1 is tightly against the user's chest, and the ultrasound-assisted diagnosis mechanism 2 is tightly against the heart position on the outside of the chest, and the back side of the vest 1 is tightly against the user's back, and then the side drawstring 3 is adjusted to be tightened or relaxed through the stretching mechanism 4, and then the tightness of the front and rear sides of the vest 1 is adjusted, so that the user is more comfortable when using it, and at the same time, the adjustment mechanism 5 is adjusted so that the ultrasound-assisted diagnosis mechanism 2 can adapt to various sizes and shapes of the heart to shoulder area of ​​different people.

[0026] Furthermore, if Figure 1-Figure 6As shown, the ultrasound auxiliary diagnosis mechanism 2 includes four rubber balls 201 fixedly connected to the outer surface of the front side of the vest 1, a mounting box 202 is arranged on the front side of the vest 1, the mounting box 202 is buckled and connected with the rubber balls 201, an electrode sheet 203 is arranged on the side of the mounting box 202 close to the human chest, the electrode sheet 203 has an ultrasonic module built in, a rubber disc 204 is arranged between the electrode sheet 203 and the mounting box 202, four first elastic members 205 are arranged between the rubber disc 204 and the mounting box 202, the two ends of the first elastic member 205 are respectively fixedly connected to the rubber disc 204 and the mounting box 202, thirty-four rubber blocks 206 are arranged between the rubber disc 204 and the electrode sheet 203, the two sides of the rubber block 206 are respectively fixedly connected to the rubber disc 204 and the electrode sheet 203, the rubber blocks 206 are evenly distributed between the rubber disc 204 and the electrode sheet 203, and the rubber The block 206 is provided with ventilation holes for easy ventilation, which reduces moisture and excessive adhesion of the skin and reduces the risk of skin allergies or discomfort reactions caused by long-term contact. The ultrasonic auxiliary diagnosis mechanism 2 also includes a rotating rod 211 arranged in the middle of the installation box 202, one end of the rotating rod 211 is provided with a thread, and the rotating rod 211 is threadedly connected to the installation box 202, the other end of the rotating rod 211 is not provided with a thread, and is fixedly connected to a clamping rod 212, a first clamping block 213 is fixedly connected to the side of the controller 221 housing away from the human chest, a protrusion is provided on the clamping rod 212, and the first clamping block 213 is provided with a groove matching the protrusion on the clamping rod 212, a limiting groove 2111 is provided on the side of the rotating rod 211 away from the human chest, a rubber pad 222 is detachably connected to the limiting groove 2111, and the rubber pad 222 can drive the rotating rod 211 to rotate by relying on the friction force with the limiting groove 2111.

[0027] Furthermore, the ultrasound auxiliary diagnosis mechanism 2 also includes a controller 221 fixedly connected to the side of the rubber disc 204 away from the human chest. The controller 221 is electrically connected to the electrode sheet 203. The controller 221 has a built-in power module, a control module and a Bluetooth module. The power module provides power support for the control module, the Bluetooth module and the electrode sheet 203 to maintain the normal operation of the control module, the Bluetooth module and the electrode sheet 203. The control module can control the opening and closing of the electrode sheet 203 and receive electrical signals from the electrode sheet 203. The Bluetooth module can be interconnected with the mobile phone APP software to realize data interaction between the controller 221 and the mobile phone. The Bluetooth module can not only transmit electrical signals to the mobile phone APP to form images or data, but also accept instructions or explanations from the mobile phone APP to realize control and monitoring anytime and anywhere. During installation, the installation box 202 is connected to the rubber card ball 20 1, the installation of the ultrasound auxiliary diagnosis mechanism 2 is completed. When it is used specifically, the mobile phone APP is connected through the built-in Bluetooth module of the controller 221, and then the vest 1 is put on, and then the rubber pad 222 is pressed toward the human chest, so that the clamping rod 212 is clamped into the groove of the first clamping block 213, and then the rubber disc 204 is connected with the installation box 202, and then the rubber pad 222 is rotated, and then the rubber pad 222 drives the rotating rod 211 to rotate, so that the installation box 202 moves toward the human chest, and then the first elastic member 205 is squeezed. Since the human chest presents an uneven surface, under the action of the installation box 202 and the first elastic member 205, each part of the electrode sheet 203 is tightly attached to the human chest, so that the user will not fall off or deviate when exercising, so that the monitoring effect is more accurate and stable, and the accuracy of diagnosis is improved.

[0028] Furthermore, if Figure 1 , Figure 7 and Figure 8As shown, the adjustment mechanism 5 includes a shoulder strap 501 arranged on the upper part of the vest 1. The material of the shoulder strap 501 is a rubber material. The rubber material can ensure that the shoulder strap 501 can fit comfortably on the user's shoulder and has a certain degree of softness and stretchability to provide appropriate support and stability. The shoulder strap 501 and the vest 1 are connected to each other through a restraint belt 502. The two ends of the restraint belt 502 are respectively fixed to the shoulder strap 501 and the vest 1. A clamping ring 503 is sleeved on the restraining belt 502. The clamping ring 503 is in a circular shape and has a certain degree of softness. The material used is a rubber material. A protrusion is arranged on the inner wall of the clamping ring 503. The clamping ring 503 is provided with a through groove that cooperates with the protrusion. The restraining belt 502 can be folded into a continuous Z shape, and the clamping ring 50 The folded Z-shaped restraint belt 502 can be fixed. When in use, when the rubber pad 222 is pressed toward the chest of the human body, the pressing hand does not loosen. At this time, the position of the shoulder strap 501 is adjusted so that the shoulder strap 501 is in close contact with the user's shoulder. Then, the excess restraint belt 502 is folded into a Z-shaped shape with multiple sections, and then the buckle 503 is squeezed so that the protrusion on the inner wall of the buckle 503 is stuck in the through groove, and then a small part of the restraint belt 502 is also stuck in the through groove, and then the buckle 503 fixes the restraint belt 502, and then the vertical height of the ultrasound-assisted diagnosis mechanism 2 is adjusted, so that the ultrasound-assisted diagnosis mechanism 2 can always be stable at the heart position, to prevent loosening or displacement during wearing, and reduce the possibility of interference or accidental movement.

[0029] Furthermore, the stretching mechanism 4 includes four inner sidebands 401 fixedly connected to the left side of the vest 1, an outer sideband 402 is provided on the left side of the vest 1, a drawstring 411 is provided on the front outer surface of the vest 1, two card slots 412 are provided on the outer side wall of the rotating rod 211, a connecting component 413 is provided in the card slot 412, and a card connection structure that cooperates with the card slot 412 is provided on the connecting component 413, and the connecting component 413 includes a connecting block 4131, a second card block 4132 and a second elastic member 4133, the connecting block 4131 is slidably connected to the card slot 412, a slide groove is provided on the connecting block 4131, and the second card block 4132 is slidably connected in the slide groove, and the second card block A second elastic member 4133 is provided between 4132 and the connecting block 4131, and two ends of the second elastic member 4133 are respectively fixedly connected to the second clamping block 4132 and the connecting block 4131, and two ends of the outer side band 402 are respectively fixedly connected to the vest 1 and one end of the drawstring 411, and the other end of the drawstring 411 passes through the inner side band 401 on the front side of the vest 1 and is fixedly connected to the connecting block 4131. When in use, when the rubber pad 222 is rotated, the rubber pad 222 rotates to drive the rotating rod 211 to rotate, and the rotating rod 211 rotates to drive the connecting member 413 to rotate, and then the drawstring 411 rotates and is coiled on the rotating rod 211, and the drawstring 411 pulls the outer side band 402, and the outer side band 402 is pulled. 02 pulls the back side of the vest 1, and then the back side of the vest 1 will pull the side drawstring 3, so that the side drawstring 3 is in a stretched state, and then the front side of the vest 1 will be slightly pulled, and because the installation box 202 will move toward the human chest when the rubber pad 222 is rotated, the electrode sheet 203 is more closely attached to the human chest, which can prevent the installation box 202 from being pulled by the front side of the vest 1 when the stretching mechanism 4 is adjusted, thereby causing the electrode sheet 203 to shift, and when loosening is needed, the rubber pad 222 is rotated in the opposite direction, so that the rotating rod 211 rotates in the opposite direction, thereby loosening the drawstring 411, and when the threads of the rotating rod 211 are fully rotated, the rubber pad 222 is then rotated. 2 is disassembled, and then the rotating rod 211 is pushed away from the human chest, and then the rotating rod 211 drives the connecting component 413 to move, and then the second clamping block 4132 touches the installation box 202, and then the second clamping block 4132 slides in the sliding groove of the connecting block 4131, and then the connecting component 413 slides out of the clamping groove 412 of the rotating rod 211, and then the drawstring 411 is manually pulled to loosen the front and back sides of the vest 1, so that the vest 1 can be taken off, and then the ultrasound auxiliary diagnosis mechanism 2 can be disassembled, and then the vest 1 and the drawstring 411 can be washed or replaced, and the overall wearing and removing of the device on the vest 1 is simple and convenient, thereby improving the user experience.

[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An intelligent wearable cardiac ultrasound auxiliary diagnostic instrument, comprising a vest (1), characterized in that: The vest (1) can be worn in front of the chest to cover the chest of the user. An ultrasound auxiliary diagnosis mechanism (2) is detachably mounted on the front outer surface of the vest (1). The ultrasound auxiliary diagnosis mechanism (2) is provided with an ultrasound module for monitoring the functional state of the user's heart to obtain structural and functional information of the heart in real time. An adjustment slot (101) is provided on the right side of the vest (1). A side drawstring (3) is provided in the adjustment slot (101). Both ends of the side drawstring (3) are fixedly connected to the front and back surfaces of the vest (1). A stretching mechanism (4) for stretching the front and back surfaces of the vest (1) is provided on the left side of the vest (1). An adjustment mechanism (5) for adjusting the vertical height of the ultrasound auxiliary diagnosis mechanism (2) is provided on the upper part of the vest (1). An anti-sweat pad (102) is attached to the inside of the vest (1).

2. The intelligent wearable cardiac ultrasound auxiliary diagnostic instrument as claimed in claim 1, characterized in that: The ultrasound auxiliary diagnosis mechanism (2) comprises at least four rubber clamping balls (201) fixedly connected to the front outer surface of the vest (1); a mounting box (202) is provided on the front side of the vest (1); the mounting box (202) is snap-connected to the rubber clamping balls (201); an electrode sheet (203) is provided on a side of the mounting box (202) close to the human chest; the electrode sheet (203) has an ultrasound module built therein; and a rubber disc (203) is provided between the electrode sheet (203) and the mounting box (202). 204), at least four first elastic members (205) are arranged between the rubber disc (204) and the installation box (202), two ends of the first elastic members (205) are respectively fixedly connected to the rubber disc (204) and the installation box (202), at least eight rubber blocks (206) are arranged between the rubber disc (204) and the electrode sheet (203), two sides of the rubber blocks (206) are respectively fixedly connected to the rubber disc (204) and the electrode sheet (203).

3. The intelligent wearable cardiac ultrasound auxiliary diagnostic instrument as claimed in claim 1, characterized in that: The ultrasound-assisted diagnosis mechanism (2) further comprises a controller (221) fixedly connected to the side of the rubber disc (204) away from the human chest, and the controller (221) is electrically connected to the electrode sheet (203).

4. The intelligent wearable cardiac ultrasound auxiliary diagnostic instrument as claimed in claim 2, characterized in that: A rubber pad (222) is detachably connected to the side of the rotating rod (211) away from the human chest.

5. The intelligent wearable cardiac ultrasound auxiliary diagnostic instrument as claimed in claim 3, characterized in that: The ultrasound-assisted diagnosis mechanism (2) further comprises a rotating rod (211) arranged in the middle of the installation box (202), the rotating rod (211) being threadedly connected to the installation box (202), a clamping rod (212) being fixedly connected to a side of the rotating rod (211) close to the human chest, a first clamping block (213) being fixedly connected to a side of the controller (221) housing away from the human chest, a protrusion being arranged on the clamping rod (212), and a groove being arranged to match the protrusion on the clamping rod (212).

6. The intelligent wearable cardiac ultrasound auxiliary diagnostic instrument as claimed in claim 4, characterized in that: The adjustment mechanism (5) comprises a shoulder strap (501) arranged on the upper part of the vest (1); the shoulder strap (501) and the vest (1) are connected to each other via a binding belt (502); two ends of the binding belt (502) are respectively fixed to the shoulder strap (501) and the vest (1); a clamping ring (503) is provided on the binding belt (502); the binding belt (502) can be folded into a continuous Z-shape, and the clamping ring (503) can fix the binding belt (502) folded into the Z-shape.

7. The intelligent wearable cardiac ultrasound auxiliary diagnostic instrument as claimed in claim 5, characterized in that: A storage bag (6) for storing spare batteries is fixedly connected to the front outer surface of the vest (1).

8. The intelligent wearable cardiac ultrasound auxiliary diagnostic instrument as claimed in claim 6, characterized in that: The stretching mechanism (4) comprises at least four inner sidebands (401) fixedly connected to the left side of the vest (1), and an outer sideband (402) is provided on the left side of the vest (1).

9. The intelligent wearable cardiac ultrasound auxiliary diagnostic instrument as claimed in claim 7, characterized in that: The stretching mechanism (4) further comprises a drawstring (411) arranged on the front outer surface of the vest (1); at least two slots (412) are arranged on the outer side wall of the rotating rod (211); a connecting component (413) is arranged in the slot (412); a clamping structure that cooperates with the slot (412) is arranged on the connecting component (413); the connecting component (413) comprises a connecting block (4131), a second clamping block (4132) and a second elastic member (4133); the connecting block (4131) is slidably connected to the slot (412 ... ) is provided with a slide groove, a second clamping block (4132) is slidably connected in the slide groove, a second elastic member (4133) is provided between the second clamping block (4132) and the connecting block (4131), two ends of the second elastic member (4133) are respectively fixedly connected to the second clamping block (4132) and the connecting block (4131), two ends of the outer side band (402) are respectively fixedly connected to the vest (1) and one end of the drawstring (411), the other end of the drawstring (411) passes through the inner side band (401) on the front side of the vest (1) and is fixedly connected to the connecting block (4131).

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