88 results about "Left shoulder" patented technology

A compression scrub shirt and compression pants may be provided. The compression scrub shirt may include a shirt body, a left sleeve, a right sleeve, a left compression sleeve stitched into a left shoulder of the shirt body and extending out underneath the left sleeve, and a right compression sleeve stitched into a right shoulder of the shirt body and extending out underneath the right sleeve. The compression pants may include a pants body, an elastic waist band, and compression leggings sewn or stitched above the elastic waist band. The compression leggings may extend downward inside the pants body.

A combined pair of hip waders and life vest device is disclosed. The device includes a buoyant upper body cover portion to cover the upper body of a user and includes a right frontal member and a left frontal member. The right frontal member, the left frontal member, and a back member include floatation devices which include detachable buoyant materials for providing buoyancy to a wearer in water. A right shoulder strap and a left shoulder strap extend from the top edges of the right frontal member and the left frontal member, respectively, to the top edge of the back member. A lower body cover portion functions as hip waders and extends below the upper body cover section. The lower body cover section or portion includes a left leg hip wader and a right leg hip wader.

The utility model relates to the technical field of garments, and discloses a shapewear, which comprises a waist garment piece, a back garment piece and a back garment piece, the left end of the left corsage piece is connected with the left side of the waist piece, and a first gap is reserved between the lower end and the top end of the waist piece; the right end of the right corsage piece is connected with the right side of the waist garment piece, a second gap is reserved between the lower end of the right corsage piece and the top end of the waist garment piece, and the left end of the right corsage piece is connected with the right end of the left corsage piece; the left shoulder piece and the left corsage piece are of an integrated structure; the lower end of the back garment piece is connected with the rear side of the waist garment piece, and the upper end of the back garment piece is connected with the left shoulder garment piece. The first gap and the second gap can provide a loose space for the chest, so that a human body is prevented from being tightened too tightly, and breathing and ventilation are facilitated; secondly, the left shoulder garment piece and the left corsage piece are of an integrated structure, the left corsage piece can be hung on the shoulder to provide upward pulling force after being connected with the back garment piece through the left shoulder garment piece during wearing, and the supporting and shaping effects on the chest are good.

The present invention discloses a posture correction method, storage medium, and posture correction device. The posture correction method includes: obtaining a posture deviation angle between a user's neck and spine, and a posture deviation angle between the user's left shoulder and right shoulder; determining whether the user's posture conforms to a standard posture based on the posture deviation angle between the neck and spine and the posture deviation angle between the left shoulder and right shoulder; and if not, issuing a posture adjustment prompt signal to the user. The present invention determines whether the user's posture conforms to a standard posture by obtaining the posture deviation angle between the user's neck and spine and the deviation angle between the left shoulder and right shoulder, and prompts the user if it does not conform to the standard posture.

The utility model provides a shaping garment which comprises a back attaching rib body, the lower portion of the back attaching rib body extends towards the left side and the right side to form a left waistband and a right waistband which are used for being bound on the waist and the abdomen of a human body respectively, a connecting portion is arranged on the upper portion of the back attaching rib body, and the connecting portion is connected with a left binding band extending towards the upper left portion and a right binding band extending towards the upper right portion. A belt loop for the left bandage and the right bandage to penetrate through is arranged on the back attaching rib body and below the connecting part, first connecting parts are arranged on the left waistband and the right waistband, the left end of the left waistband and the right end of the right waistband penetrate through the belt loop and are detachably connected through the first connecting parts, and second connecting parts are arranged on the left bandage and the right bandage and are detachably connected through the second connecting parts. And the left end of the left bandage is detachably connected with the right end of the right bandage through a second connecting part. The tightness of the waist and abdomen part can be adjusted through the left waist belt and the right waist belt, the restraint of the left shoulder and back part and the restraint of the right shoulder and back part can be adaptively adjusted through the left binding belt and the right binding belt according to the needs of a user, and the physical therapy effect can be further achieved.

The utility model belongs to the technical field of sealing, and particularly relates to a sealing strip for a hand-torn pressing fixed door, which is characterized by comprising N sealing bodies which are sequentially connected and are of arch structures, and N compression cavities which are respectively formed at left and right shoulder joints of each sealing body and an adjacent sealing body below the sealing body, the tearing grooves are formed in the outer sides of the connecting positions of the left shoulder parts and the right shoulder parts of every two adjacent sealing bodies, the barb structures are arranged on the lower portions of the N sealing bodies of the arch structures, and the barb strips are arranged on the two sides of the barb structures. The sealing strip is formed by stacking the multiple layers of hollow arch-shaped sealing strips which are connected with one another, the tearing grooves are formed between every two layers, and the height of the sealing strips is manually torn at the tearing grooves so as to adapt to door leaves and doors of different sizes; the sealing strip is made of novel elastic materials such as TPE (thermoplastic elastomer) or TPR (thermoplastic rubber) or EPDM (ethylene-propylene-diene monomer) and has good strength ductility and good heat resistance and corrosion resistance, and elasticity and durability required by the tearable sealing strip in door closing sealing and pressing fixing states are guaranteed.

This utility model discloses an anal support for post-hemorrhoid surgery, comprising an anal pocket; the four apexes of the anal pocket are respectively connected to a left front pocket strap, a right front pocket strap, a left rear pocket strap, and a right rear pocket strap; the endpoints of the left and right front pocket straps are respectively connected to the left and right shoulder straps via D-ring buckles; the endpoints of the left and right rear pocket straps are respectively connected to the left and right shoulder straps via D-ring buckles; at least one of the anal pocket, left shoulder strap, right shoulder strap, left front pocket, right front pocket, left rear pocket, and right rear pocket strap is elastic; a front connecting strap and a rear connecting strap are provided between the left and right shoulder straps, the front connecting strap being horizontally connected to the front of the left and right shoulder straps, and the rear connecting strap being horizontally connected to the rear of the left and right shoulder straps. This utility model solves the problems of poor nursing effect, poor flexibility, and poor comfort in traditional technologies.

The utility model relates to the technical field of medical instruments, and discloses a flexible scoliosis orthosis, the flexible scoliosis orthosis comprises a shoulder assembly, a thoracolumbar assembly and a fixing assembly, the shoulder assembly comprises a first elastic piece and a second elastic piece which are arranged at an interval, the first elastic piece is used for being fixed on one of the left shoulder and the right shoulder of a patient, and the second elastic piece is used for being fixed on the other of the left shoulder and the right shoulder of the patient; the second elastic piece is used for being fixed to the other one of the left shoulder and the right shoulder of the patient; the third elastic piece is connected with the first elastic piece and the second elastic piece, the connecting position of the third elastic piece and the first elastic piece is far away from the armpit of the patient, and the connecting position of the third elastic piece and the second elastic piece is close to the armpit of the patient, so that the third elastic piece is obliquely arranged between the left shoulder and the right shoulder. According to the flexible scoliosis orthosis, the problems that a traditional scoliosis orthosis is inconvenient to wear, and the movement of a patient is limited after the traditional scoliosis orthosis is worn can be solved.

This cooling vest is equipped with an internal cooling water storage compartment, a pump, and tubes, and is equipped with Peltier cooling devices in two locations between the wearer's cervical vertebrae and shoulders. The pump circulates cooling water through tubes distributed throughout the cooling vest, and the wearer's body is cooled by contact with the cooling surfaces of the Peltier cooling devices installed in the cooling vest. As shown in Reference Figure 1, which shows the cooling vest being worn, this cooling vest is equipped with a common switch for the Peltier cooling device and the pump on the front of the vest for operating the Peltier cooling device and the pump. As shown in Reference Figure 2, which shows the cooling vest being worn, this cooling vest is equipped with a cooling water storage compartment lid on the back of the vest for opening the cooling water storage compartment, and is equipped with Peltier cooling devices in one location between the wearer's cervical vertebrae and right shoulder and one location between the wearer's cervical vertebrae and left shoulder.

To solve a problem that some conventional shoulder support devices cannot be easily attached and some conventional shoulder support devices brings a user in a state where a hand of the user is fixed, which makes work using the hand significantly hard.SOLUTION: A shoulder support device includes: a right shoulder support part formed of a pipe of an elbow type; a left shoulder support part symmetric with the right shoulder support part; a bridge part connecting the right shoulder support part and the left shoulder support part; a right post part extending perpendicularly from the right shoulder support part; and a left post part extending perpendicularly extending from the left shoulder support part. Using the shoulder support device enables disassembly, assembly, and carrying. By easily using the shoulder support device when needed without attaching the shoulder support device to the body, a shoulder can be supported while correcting a posture.SELECTED DRAWING: Figure 7

The invention belongs to the technical field of smart home, and discloses a human body partition positioning method, system and device based on a pressure signal and a medium, so as to solve the existing problems. The method comprises the following steps: filtering noise points through a dynamic threshold to determine an effective pressure area; positioning a hip anchor point within the effective pressure region; performing shoulder anchor positioning within the effective pressure region based on the position of the hip anchor; positioning a head anchor point, a waist anchor point, a thigh anchor point and a shank anchor point in the effective pressure region based on the positioned hip anchor point and the left shoulder anchor point and the right shoulder anchor point or the unilateral shoulder anchor point; calculating a comprehensive distance from each pressure point in the effective pressure area to each clustering center, and distributing each pressure point to the partition represented by the clustering center with the minimum distance to determine a corresponding human body partition; and outputting the coordinate range of each partition on the pressure sensor array. According to the invention, high-precision, high-real-time and high-robustness human body partition positioning of diversified users and postures is realized.

The right blade (14), the left blade (13), and the middle blade (12) of the circular saw blade (1) have radially outer front ends (14a, 13a, 12a) near the right, the left, or the center in the thickness direction of the base body (2). A first right cutting edge (14i) of the right blade (14) extends from the front end (14a) to a right end (14c) at a first right angle (14m). A first left cutting edge (14f) extends from the front end (14a) toward a left side face (14df) at a first left angle (14j). A first left shoulder cutting edge (14h) extends from the first left cutting edge (14f) to a left end (14b) at a first left shoulder angle (14k). A second left cutting edge (13f) of the left blade (13) extends from a front end (13a) to a left end (13b) at a second left angle (13j). A second right cutting edge (13g) extends from the front end (13a) toward a right side face (13ef) at a second right angle (13k). A second right shoulder cutting edge (13i) extends from the second right cutting edge (13g) to a right end (13c) at a second right shoulder angle (13m).

The shoulder support comprises a connecting mechanism, a supporting assembly and a locking assembly, the connecting mechanism comprises a connecting piece and a connecting column, the connecting piece is used for being connected to an operating bed, the connecting column is connected with the connecting piece, and the connecting mechanism comprises a first side and a second side opposite to the first side. The supporting assembly comprises a supporting plate and a connecting block which are fixed to each other, the supporting plate is used for supporting the shoulders of a patient, and the connecting block is movably arranged on the connecting column, so that the supporting plate can be switched to the second side of the connecting mechanism from the first side of the connecting mechanism or switched to the first side of the connecting mechanism from the second side of the connecting mechanism; and the shoulder support frame can be switched between a left shoulder support position and a right shoulder support position. The locking assembly is used for locking or unlocking the connecting block and the connecting column. The shoulder support frame has the advantages that the shoulder support frame can be suitable for both the left shoulder support position and the right shoulder support position, and an operator does not need to distinguish the shoulder support frame when taking the shoulder support frame.

Baby or toddler carrier with a main element (10) which has: - a recording section (12) extending from a lower end (12a) to an upper end (12b) and from a left end (12c) to a right end (12d), - a left shoulder strap (14) extending from a left upper end region (12e) of the receiving section (12), and - a right shoulder strap (16) extending from a right upper end area (12g) of the receiving section (12), and a hip belt (20) with a locking device (24a) and a counter-locking device (24b) matching the locking device (24a), characterized in that the left shoulder strap (14) extends to a left lower end area (12f) of the recording section (12), the right shoulder strap (16) extends to a right lower end area (12h) of the recording section (12), and the main element (10) in the area of ​​the lower end (12a) of the receiving section (12) has a receiving section-side coupling device and the waist belt (20) has a waist belt-side coupling device compatible with the receiving section-side coupling device, such that the receiving section-side coupling device and the waist belt-side coupling device form a main coupling device by means of which the main element (10) and the waist belt (20) can be detachably coupled to each other.

The utility model discloses an abdomen, hip, chest and shoulder fixing band structure, which relates to the technical field of medical treatment, and comprises a first chest lining, the left end of the surface of the first chest lining is fixedly connected with a first shoulder lining, and the chest and shoulder fixing band structure is used for patients with large-area chest and shoulder burn and large-area skin contusion and laceration. The abdomen and hip fixing band structure is used for covering and protecting an incision and fixing a wound after a wound surface is treated, plays a role in protecting and supporting, can be used as required, is convenient to wear, can be used for patients suffering from large-area burn of abdomen and hip, large-area skin contusion and laceration, and is convenient to use. The protective band is used for externally covering and protecting an incision and fixing a wound after a wound surface is treated, the protective and supporting effects are achieved, a patient can wear the protective band conveniently, and the right hip abdomen hip band, the left hip abdomen hip band and the double hip abdomen hip bands can be used according to needs.

The utility model discloses a three-dimensional magic tape nursing bra without steel rings, which comprises a front part, a rear part, a left shoulder strap and a right shoulder strap, the lower end surfaces of the front part and the rear part are connected with a lower foot strap, and the two ends of the shoulder strap are respectively connected to the lower foot strap and the rear part; an inner support connected with the lower foot strap is further connected into the front part, the inner side of the upper end of the inner support is attached to the shoulder straps, and the inner side of the upper end of the front part is attached to the shoulder straps. The rear part comprises rear parts which are respectively connected with the left part and the right part of the front part; the shoulder straps which are arranged on the left and right sides are respectively connected with the rear parts which are arranged on the left and right sides; cup bodies are arranged at the positions, matched with the breasts of the human body, of the front part, left shielding cloth, middle shielding cloth and right shielding cloth are arranged on the inner support, and splicing seams are formed among the adjacent left shielding cloth, middle shielding cloth and right shielding cloth. Compared with the prior art, the utility model has the advantages that the three-dimensional magic tape lactation bra without the steel rings, which is comfortable, keeps the appearance breast shape and is convenient to put on and take off, is provided.

The utility model discloses a comfortable clamping and rubbing shoulder and neck massage instrument which comprises a machine core assembly and a cloth cover, a control panel is embedded in the cloth cover to control the machine core assembly to complete different working modes, and the cloth cover is arranged outside the machine core assembly in a covering mode. The machine core assembly comprises a PCB lamp panel, a left shoulder deflection arm, a left lower swing arm, a gearbox upper cover, a soft rubber ball head, a first screw, a second screw, a transmission rotating terminal, a transmission connecting rod, a left helical tooth eccentric wheel, an iron shaft, a lower eccentric wheel cover, an upper eccentric wheel cover, a left eccentric wheel base, a motor, a DC power line, a circuit board cover, an outer cover, a right lower swing arm, a right shoulder deflection arm and a right eccentric wheel base. The right helical-tooth eccentric wheel is connected with the gearbox lower cover; according to the device, the massage heads which are reasonable in layout and symmetrical in structure are used for rotating and swinging in a combined mode, so that a clamping and kneading massage mode which is more powerful is provided, and more comfortable massage experience is achieved.

The utility model relates to the technical field of medical instruments, in particular to a cervical vertebra postoperative protection bracket which comprises a right shoulder frame, a buckle is arranged at one end of the right shoulder frame, a clamping head is arranged on the outer wall of one side of the buckle, the outer wall of the clamping head is movably connected with the inner side wall of a clamping box, and the clamping box is arranged at one end of a left shoulder frame. The top of the right shoulder frame and the top of the left shoulder frame are each provided with a neck ring, the neck rings at the tops of the right shoulder frame and the left shoulder frame are rotationally connected through a shaft rod, the inner walls of the neck rings are movably connected with the outer wall of a neck support, the outer wall of the neck support is movably connected with the outer wall of a rotating gear, a rotating cap is arranged on one side of the rotating gear, and each neck ring comprises a vertical rod. The side wall of the vertical rod is fixedly connected with one end of a connecting ring, and a movable groove is formed in the vertical rod. According to the improved protection bracket used after the cervical vertebra operation, by arranging the bayonet, the clamping head, the clamping box, the neck ring, the neck support and other structures, the problems that an existing protection bracket is inconvenient to adjust and unstable in fixation are solved.

A protective magnetized cape for secure placement on a wearer having a left shoulder flap and an elongated right shoulder flap and a plurality of magnet pairs for securing the left shoulder flap to the right shoulder flap at the back of the wearer and the right shoulder tlap to the chest area of the wearer.

The systems, methods, and apparatus disclosed herein can incorporate one or more real-world performers performing in a venue into interactive content. These systems, methods, and apparatus can identify one or more joints or ligaments of one or more real-world performers, for example, the left shoulder, the right knee, etc., from an image or series of images of one or more real-world performers. These joints or ligaments can be represented as one or more performer markers. These systems, methods, and apparatus can generate one or more three-dimensional models of one or more real-world performers in three-dimensional space from one or more performer markers.

To provide a body mitt that can closely contact with a body of a wearer, can protect the body against an impact from a training partner, also protects the training partner, and improves use feeling.SOLUTION: A body mitt includes: a mitt body 1 including an impact absorption member 5 having a plurality of layers having different hardness from a front surface side 14 to a rear surface side 15; a band body connected from an upper end side 11 of the mitt body 1 to a rear surface 15 side; and a right shoulder band 2 and a left shoulder band 3 including a length adjustment part capable of adjusting a length of the band body.SELECTED DRAWING: Figure 2

A system for restraining the helmet of a race driver is provided. The system includes a suit designed to be worn by the race driver and including a patch pocket disposed on the back side of the suit; a support plate including a back portion, a left shoulder portion, and a right shoulder portion, the support plate being designed to be inserted into the patch pocket; one or more tethers attached to the support plate and the helmet; a left pocket flap extended from the patch pocket towards a front side of the suit; a right pocket flap extended from the patch pocket towards the front side of the suit; a left fastening system designed to secure the left pocket flap to the front side of the suit; and a right fastening system designed to secure the right pocket flap to the front side of the suit.

Equipment for strengthening swing motion ability of the present disclosure includes: a shoulder holder formed in a closed loop shape to be held on a right shoulder or a left shoulder; a body holder extending a predetermined length from the shoulder holder to be held on a back toward a shoulder opposite to the shoulder with the shoulder holder held thereon; a pelvis holder extending a predetermined length from the body holder to be held on a pelvis positioned opposite to the shoulder with the shoulder holder held thereon; an extension extending a predetermined length from the pelvis holder toward the shoulder with the shoulder holder held thereon; and an elasticity applier having a first end connected to the extension and a second end configured to be fixed to a predetermined position.

The utility model belongs to the technical field of tires, and relates to a tire. A plurality of circumferential grooves extending in the circumferential direction of the tread divide the pattern structure into a middle pattern rib, a left pattern rib, a left shoulder pattern rib, a right pattern rib and a right shoulder pattern rib; first transverse grooves and second transverse grooves which are arranged at intervals are circumferentially distributed in the middle pattern ribs, five middle transverse cutter grooves which are parallel to one another and have the same inclination angle are formed between the two first transverse grooves, and the inclination angle of each middle transverse cutter groove ranges from 40 degrees to 70 degrees; the first transverse cutter groove is connected with the first transverse groove, the other end of the first transverse cutter groove extends to the circumferential groove, the second transverse cutter groove is formed between the first transverse groove and the second transverse groove and is not connected with the first transverse groove and the second transverse groove, the two ends of the third transverse cutter groove are communicated with the circumferential groove, the two ends of the fourth transverse cutter groove are closed, and the fifth transverse cutter groove is connected with the first transverse groove. And the other end extends to the circumferential groove. According to the utility model, the compatibility of the rigidity of the tread pattern structure of the tire is optimized, so that the dry land performance and the snowfield performance of the tire are both considered.

The invention belongs to the overall field of aircrafts, and particularly relates to a portable special air defense vest and a working method.The portable special air defense vest comprises a force bearing structure, a power supply device, a data acquisition device and a control device.The force bearing structure comprises a first shoulder rest, a second shoulder rest, a waistband, a first supporting rod, a second supporting rod and a torque device; the first shoulder rest is made of an arc-shaped engineering plastic material, the inner surface of the first shoulder rest is padded with memory sponge, the first shoulder rest is used for dispersing the load borne by the left shoulder, an anti-skid rubber layer is arranged on the outer side of the second shoulder rest, a positioning clamping groove is formed in the contact portion of the second shoulder rest and the portable aircraft, and the second shoulder rest bears the gravity of the aircraft and transmits the gravity to the torque device. According to the portable air defense weapon, single-shoulder stress of the portable air defense weapon is converted into double-shoulder uniform stress through the force bearing structure, the single-shoulder stress is reduced, muscle fatigue and damage caused by the fact that the right shoulder bears high weight for a long time are avoided, the shoulder fatigue feeling is reduced during continuous combat, and the comfort level and combat continuity of operators are improved.

Systems, methods, and apparatuses disclosed herein can incorporate one or more real-world performers that are performing within a venue into interactive content. These systems, methods, and apparatuses can identify one or more joints or ligaments, for example, left shoulders, right knees, among others, of the one or more real-world performers from the image, or the series of images, of the one or more real-world performers. These joints or ligaments can be represented as one or more performer markers. These systems, methods, and apparatuses can generate one or more three-dimensional models of the one or more real-world performers in a three-dimensional space from the one or more performer markers. These systems, methods, and apparatuses can apply the one or more three-dimensional models of the one or more real-world performers to the one or more virtual characters in the three-dimensional space. These systems, methods, and apparatuses can render the one or more virtual characters from the three-dimensional space into a two-dimensional space of the interactive content to integrate the one or more real-world performers into the interactive content.

The invention discloses a card issuing line 3D cross-layer forming feeding device and method, the device comprises a feeding mechanism and a material receiving mechanism, the feeding mechanism clamps a card issuing line left supporting leg in the thickness direction through a feeding clamping jaw module, limiting in the width direction is achieved in cooperation with a limiting jaw, and it is guaranteed that the posture is stable in the carrying process; the material receiving mechanism clamps a right supporting leg through a material receiving claw module, a swing arm pushes a left supporting leg to stably swing from a material receiving angle to a feeding angle in a linkage mode, a feeding clamping claw module releases the left supporting leg in the swing process, and a limiting claw temporarily supports a left shoulder to avoid shaking. The problems that in the prior art, the feeding angle of the hairpin line is difficult to control, and insulating paint is prone to damage are solved, and the hairpin line feeding positioning device has the advantages of being accurate in positioning, capable of protecting the insulating performance and high in feeding efficiency and meets the feeding positioning requirement in hairpin line 3D cross-layer forming.

As shown in the reference drawings, this article has a reflective band and a tube portion sewn together, and holes are provided for passing fiber optic lights. As shown in the reference drawings, the tube portion and holes are provided on both sides of the left reflective band that extends from the front body, past the left shoulder, to the back body when worn, and the right reflective band that extends from the front body, past the right shoulder, to the back body when worn. The tube portion is transparent. In the reference drawings showing the state of use, to indicate the presence or absence of a fiber optic light, a lit fiber optic light is passed through the tube portion and hole on the left side when worn, and no fiber optic light is passed through the tube portion and hole on the right side when worn.

The shapewear convenient to put on and take off comprises a front part and a rear part, the two side edges of the front part and the two side edges of the rear part are correspondingly connected to form a cylindrical structure, the upper ends of the front part and the rear part are connected with a left shoulder strap and a right shoulder strap respectively, and the shapewear further comprises an opening and closing component arranged in the middle of the front part. The upper end is basically flush with the edge of the upper end of the front part, the lower end is close to the crotch of the lower end of the front part, and the shapewear can be opened or closed from the middle of the front part. According to the shapewear convenient to put on and take off, the row buttons or the zippers are arranged in the middle of the front part, when the shapewear needs to be put on and taken off, the shapewear can be put on and taken off only by opening or closing the row buttons or the zippers, and the shapewear is very convenient to put on and take off.

The invention provides a light-reflecting waistcoat type safety belt easy to wear, and relates to the technical field of high-altitude operation safety, the light-reflecting waistcoat type safety belt easy to wear comprises a waistcoat coat and a plurality of light-reflecting strips, the surface of the outer wall of the waistcoat coat is provided with a plurality of high-brightness light-reflecting strips, and the light-reflecting strips are arranged on the surface of the outer wall of the waistcoat coat. A left shoulder binding band and a right shoulder binding band are sewn on the surface of the outer wall of the waistcoat coat, a waist and abdomen binding band is arranged on the waist and abdomen portion of the front face of the outer wall of the waistcoat coat, and the bottom of the left shoulder binding band located on the front face of the waistcoat coat and the bottom of the right shoulder binding band located on the front face of the waistcoat coat are bound to the middle of the waist and abdomen binding band; the first adjusting lock catch, the second adjusting lock catch, the safety lock catch and the spring clamping block are all made of spring steel materials, the structure is safe and firm, the three-point type buckle structure design is adopted, operation is easy, use is easy, and the human body design is met. The chest strap and the waist strap can be adjusted, adjustment is convenient and fast, and wearing is more comfortable.