CN216824530U - Upper limb power assisting device for rescue - Google Patents

Abstract

The utility model provides a rescue is with upper limbs helping hand equipment. The upper limb power assisting device for rescue comprises an air supply assembly, a waist and back assembly and an upper limb power assisting assembly. The waist and back assembly is used for connecting the air supply assembly to rescuers. The upper limb assisting components are arranged on the two sides of the waist and back component in a bilateral symmetry mode so as to provide assisting force for upper limbs of rescuers. The upper limb assisting assembly comprises a regulating part and an assisting part which are connected, the regulating part is connected to the waist and back assembly to regulate the assisting part to correspond to the upper limbs of the rescue workers, and the assisting part is connected with the upper limbs of the rescue workers to provide assisting force for the upper limbs of the rescue workers. This upper limbs helping hand equipment for rescue sets up upper limbs helping hand subassembly in the left and right sides symmetry of back of the body subassembly, provides the helping hand to rescue personnel's upper limbs, improves the efficiency of rescue operation, sets up the air feed subassembly on the back of the body subassembly and provides sufficient breathing gas for rescue personnel, reinforcing rescue endurance and increase rescue success rate.

Description

Upper limb power assisting device for rescue

Technical Field

The utility model relates to a rescue equipment technical field, in particular to upper limb helping hand equipment is used in rescue.

Background

The fire-fighting air respirator is a self-sufficient open type air respirator, which is widely applied to the fields of fire fighting, chemical engineering, ships, petroleum, smelting, warehouses, laboratories, mines and the like, and is used for fire extinguishment, rescue and relief work and rescue work of firemen or rescue and rescue personnel under various environments such as dense smoke, toxic gas, steam or oxygen deficiency. The existing fire-fighting air respirator has relatively single function and only provides a breathing function, but in the actual fire-fighting rescue process, a fireman or emergency rescue personnel need to hold a breaker, an electric glass breaking tool, a hand-held power-driven cutting saw and other breaking tools for rescue operation while wearing the fire-fighting air respirator.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rescue is with upper limbs helping hand equipment, this rescue is with upper limbs helping hand equipment sets up upper limbs helping hand subassembly in the left and right sides symmetry of waist back of the body subassembly, provides the helping hand to first-aid staff's upper limbs through upper limbs helping hand subassembly, improves the efficiency of rescue operation, sets up the air feed subassembly on the waist back of the body subassembly and provides sufficient breathing gas for first-aid staff, reinforcing rescue lasting power and increase rescue success rate.

For realizing the purpose of the utility model, the utility model adopts the following technical proposal:

according to an aspect of the utility model, a rescue is with upper limb helping hand equipment is provided. The upper limb power assisting device for rescue comprises an air supply assembly, a waist and back assembly and an upper limb power assisting assembly. The gas supply assembly is used for providing sufficient breathing gas for rescuers. The waist and back assembly is used for connecting the air supply assembly to rescuers. The upper limb assisting components are arranged on the two sides of the waist and back component in a bilateral symmetry mode so as to provide assisting force for upper limbs of rescuers. The upper limb assisting assembly comprises a regulating part and an assisting part which are connected, the regulating part is connected to the waist and back assembly to regulate the assisting part to correspond to the upper limbs of the rescue workers, and the assisting part is connected with the upper limbs of the rescue workers to provide assisting force for the upper limbs of the rescue workers.

According to the utility model discloses an embodiment, wherein, regulation portion include connecting rod, last connecting rod down and connect in go up the rotation piece of connecting rod, lower connecting rod connect in the back of the waist subassembly, helping hand portion connect in rotate the piece, it is provided with at least one regulation hole along its central axis interval to go up the connecting rod, the connecting rod is provided with V-arrangement bullet and buckles down, the connecting rod passes down go up the connecting rod so that go up V-arrangement bullet buckle joint in the regulation hole.

According to the utility model discloses an embodiment, wherein, regulating part is still including the connecting rod flange who offers waist shape hole, connecting rod flange with waist back of the body subassembly is connected, the lower extreme of connecting rod is provided with down V-arrangement bullet detain and peg graft in connecting rod flange, so that down the V-arrangement bullet detain set up in it is downthehole that the waist appears.

According to the utility model discloses an embodiment, wherein, waist shape hole is rectangular form hole, the length direction in waist shape hole is followed the circumference setting of lower connecting rod.

According to the utility model discloses an embodiment, wherein, it includes at least one turning block main part to rotate the piece, the one end of turning block main part with the center pin swivelling joint of going up the connecting rod, the turning block main part is kept away from the one end of going up the connecting rod connect in helping hand portion, so that the rescue personnel's of helping hand portion upper limbs angle suits.

According to the utility model discloses an embodiment, wherein, it still includes at least one turning block axle to rotate the piece, the turning block axle with go up connecting rod parallel arrangement, five the turning block main part loops through turning block axle swivelling joint forms the swivel chain, the one end of swivel chain with go up connecting rod swivelling joint, the other end of swivel chain with helping hand portion connects.

According to the utility model discloses an embodiment, wherein, helping hand portion includes mounting, driving piece and last connecting rod, the one end of last connecting rod with regulating part connects, the other end with the driving piece is connected, the mounting set up in the driving piece is kept away from one side of last connecting rod, with pass through the driving piece provides the helping hand for first-aid staff's upper limbs.

According to the utility model discloses an embodiment, wherein, the driving piece includes casing, cam, swing arm, air spring and sticking department, the camshaft of cam with the swing arm axle parallel arrangement of swing arm in on the casing, the one end of camshaft connect in last connecting rod, the air spring set up in on the casing, the swing arm is kept away from the one end of swing arm axle connect respectively in the cam with the air spring.

According to the utility model discloses an embodiment, wherein, the sticking department includes switch shaft and perpendicular to the switch spring plunger that the switch shaft set up, the switch shaft with switch spring plunger respectively elastic connection in the casing, set up in the swing arm and be used for the switch hole of switch shaft butt, in order to lock the swing arm, the switch shaft is seted up along its axial and is used for the plunger groove of switch spring plunger butt, in order to lock the switch shaft.

According to the utility model discloses an embodiment, wherein, the air feed subassembly includes gas cylinder assembly, face guard air feed valve assembly and pressure reducer assembly, the gas cylinder assembly connect in waist back of the body subassembly, pressure reducer assembly pass through the trachea connect in the gas cylinder assembly to stabilize output gas's pressure, face guard air feed valve assembly pass through the trachea connect in the gas cylinder assembly to provide fresh air and protection rescue personnel's face.

The utility model provides an embodiment has following advantage or beneficial effect:

the upper limb power assisting equipment for rescue of the utility model is symmetrically provided with the upper limb power assisting components at the left side and the right side of the waist and back component, the upper limb assistance component provides assistance for the upper limbs of the rescue workers, the efficiency of rescue operation is improved, the waist and back component is provided with the air supply component to provide enough breathing gas for the rescue workers, enhance the rescue endurance and increase the rescue success rate, the rescue workers only need to pass the upper limbs through the shoulder straps and connect the shoulder straps with the waist belt, the air supply component and the upper limb power-assisted component can be fixed on the back of the rescue personnel, the wearing is convenient, the driving piece of the power-assisted part can be ensured to freely rotate and stretch when worn on the upper limb of the rescue personnel through the lifting adjustment and the angle adjustment of the adjusting part, thereby ensuring that the rescue workers can comfortably carry out the adduction, abduction, uplift and subsidence movement of the upper limbs and the adduction and abduction movement of the shoulder joints when wearing the equipment.

Drawings

The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

Fig. 1 is a perspective view illustrating a rescue upper limb assist device according to an exemplary embodiment.

Fig. 2 is a perspective view of a lumbar-back assembly of a rescue upper limb assist device according to an exemplary embodiment.

Fig. 3 is a perspective view of a lumbar plate of a rescue upper limb assist device according to an exemplary embodiment.

Fig. 4 is a schematic view of an adjustment portion of a rescue upper limb assist device in a stowed state according to an exemplary embodiment.

Fig. 5 is a schematic view of an adjustment portion of a rescue upper limb assist device in a deployed state, according to an exemplary embodiment.

Fig. 6 is a partial cross-sectional view of an adjustment portion of a rescue upper limb assist device according to an exemplary embodiment.

Fig. 7 is a perspective view illustrating a fixing member of an upper limb assist device for rescue according to an exemplary embodiment.

Fig. 8 is a perspective view of a drive member of a rescue upper limb assist device according to an exemplary embodiment.

Fig. 9 is an internal schematic view of a drive member of a rescue upper limb assist apparatus according to an exemplary embodiment.

Wherein the reference numerals are as follows:

1. a gas supply assembly; 11. a gas cylinder assembly; 12. a pressure reducer assembly; 13. a mask air supply valve assembly; 2. a lumbar-back component; 21. a lumbar back panel; 22. a waist side plate; 23. shoulder straps; 24. a waistband; 25. hooping; 3. an upper limb power-assisted assembly; 31. an adjustment section; 311. a lower connecting rod; 3111. mounting a V-shaped elastic buckle; 3112. a lower V-shaped elastic buckle; 312. an upper connecting rod; 3121. a first rotating shaft; 313. a rotating member; 3131. a turning block main body; 3132. a rotating block shaft; 3133. a turning block bearing; 314. a back pad; 315. a connecting rod flange; 32. a booster section; 321. a fixing member; 3211. an upper arm plate; 3212. binding bands; 322. a drive member; 3221. a housing; 32211. a driver housing; 32212. a driver board; 3222. a cam; 32221. a camshaft; 32222. a driver adjustment post; 3223. swinging arms; 32231. a swing arm shaft; 32232. a cam roller; 3224. a gas spring; 3225. a locking portion; 32251. a switch spring plunger; 32252. a switch shaft; 32253. a switch spring body; 32254. a switch cap; 32255. a switch end cover; 3226. fastening an end cover; 323. a distal link; 3231. a second rotation shaft; 3232. and fixing the pin.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.

The terms "a," "an," "the," "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.

As shown in fig. 1 to 9, fig. 1 is a perspective view illustrating an upper limb assisting device for rescue according to the present invention. Fig. 2 shows a perspective view of a lumbar-back assembly 2 of an upper limb assisting device for rescue provided by the utility model. Fig. 3 shows a perspective view of a lumbar back plate 21 of an upper limb assisting device for rescue provided by the utility model. Fig. 4 shows a schematic diagram of the adjusting part 31 of the upper limb assisting device for rescue provided by the invention in a retracted state. Fig. 5 shows a schematic view of the adjusting part 31 of the upper limb assistance device for rescue provided by the present invention in a deployed state. Fig. 6 shows a partial cross-sectional view of the adjusting part 31 of the upper limb assisting device for rescue according to the present invention. Fig. 7 is a perspective view of a fixing member 321 of an upper limb assisting device for rescue according to the present invention.

Fig. 8 shows a perspective view of a driving member 322 of an upper limb assistance device for rescue according to the present invention. Fig. 9 shows an internal schematic view of a driving member 322 of an upper limb assisting device for rescue according to the present invention.

The utility model discloses upper limb helping hand equipment is used in rescue includes air feed subassembly 1, back of the waist subassembly 2 and upper limbs helping hand subassembly 3. The gas supply assembly 1 is used to provide sufficient breathing gas for the rescuer. The lumbar-back assembly 2 is used to connect the air supply assembly 1 to the rescuer. The upper limb assisting components 3 are symmetrically arranged at the left side and the right side of the waist and back component 2 so as to provide assisting force for the upper limbs of the rescuers. Wherein, upper limbs helping hand subassembly 3 is including regulation portion 31 and helping hand portion 32 of connecting, and regulation portion 31 is connected in waist back subassembly 2 to regulation helping hand portion 32 corresponds rescue personnel's upper limbs, and helping hand portion 32 is connected with rescue personnel's upper limbs, provides the helping hand to rescue personnel's upper limbs.

Wherein, the waist and back component 2 comprises a waist back plate 21, waist side plates 22, shoulder straps 23 and a waist belt 24, the two waist side plates 22 are respectively connected with the left side and the right side of the waist back plate 21 through rivet pin shafts, one ends of the two waist side plates 22 far away from the waist back plate 21 are connected through the waist belt 24, the upper end of the shoulder strap 23 is connected with the waist back plate 21 through a Chinese character 'ri' buckle, the lower end of the shoulder strap 23 is connected with the joint of the waist belt 24 and the waist side plates 22 through a Chinese character 'ri' buckle, the device can be quickly and comfortably fixed on the back of a rescuer, and bears the air supply component 1 and the upper limb power-assisted component 3, the waist back plate 21 is in an inverted 'T' shape, the air cylinder assembly 11 of the air supply component 1 is connected with the upper part of the waist back plate 21 with a downward opening, the two upper limb power-assisted components 3 are arranged in bilateral symmetry relative to the waist back plate 21, wherein the lower end of the adjusting part 31 is connected with the lower part of the waist back plate 21, and is lifted and rotated through the adjusting part 31, the position and angle of the assisting section 32 can be adjusted so that the assisting section 32 is adapted to the position of the upper limb of the rescuer and provides assisting force to the upper limb.

In a preferred embodiment of the present invention, the adjusting portion 31 includes a lower connecting rod 311, an upper connecting rod 312 and a rotating member 313 connected to the upper connecting rod 312, the lower connecting rod 311 is connected to the lumbar assembly 2, the assisting portion 32 is connected to the rotating member 313, the upper connecting rod 312 is provided with at least one adjusting hole at intervals along a central axis thereof, the lower connecting rod 311 is provided with an upper V-shaped elastic buckle 3111, and the lower connecting rod 311 passes through the upper connecting rod 312 so that the upper V-shaped elastic buckle 3111 is engaged with the adjusting hole.

As shown in fig. 1 and fig. 4 to fig. 6, the lower end of the lower connecting rod 311 is connected to the waist back plate 21 of the waist back assembly 2, the upper V-shaped elastic buckle 3111 is installed at the top of the lower connecting rod 311, the upper connecting rod 312 is provided with a plurality of adjusting holes arranged at equal intervals for the upper V-shaped elastic buckle 3111 to be clamped, the elastic clamping of the upper V-shaped elastic buckle 3111 is performed in any one of the adjusting holes, the lower connecting rod 311 is fixed with the upper connecting rod 312, the overall length of the upper limb assistance assembly 3 can be adjusted, and further, after the rescue workers wear the device, the distance from the assistance part 32 to the waist back assembly 2 is more suitable for the distance from the upper limbs to the waist of the rescue workers.

Preferably, the adjusting portion 31 further includes a back pad 314, the back pad 314 is connected to the upper connecting rod 312 through a bolt, a semicircular groove is formed on one side of the back pad 314, which is attached to the upper connecting rod 312, and is attached to the outer circle of the upper connecting rod 312, so that the contact area between the back pad 314 and the upper connecting rod 312 is increased to ensure the fastening strength, and the other side of the back pad 314 is made of sponge textile to provide a comfortable support for the back of the rescuer.

In a preferred embodiment of the present invention, the adjusting portion 31 further includes a connecting rod flange 315 having a waist-shaped hole, the connecting rod flange 315 is connected to the waist-back assembly 2, and the lower end of the lower connecting rod 311 is provided with a lower V-shaped elastic buckle 3112 and is inserted into the connecting rod flange 315, so that the lower V-shaped elastic buckle 3112 is disposed in the waist-shaped hole. The waist-shaped hole is a strip-shaped hole, and the length direction of the waist-shaped hole is arranged along the circumferential direction of the lower connecting rod 311.

As shown in fig. 1, 4 to 6, the lower V-shaped latch 3112 is mounted at the bottom of the lower link 311, and is popped out in a kidney-shaped hole of the link flange 315 by the lower V-shaped latch 3112, and the kidney-shaped hole is an elongated hole extending in the circumferential direction of the outer circumference of the lower link 311, so that when the link flange 315 is coupled to the lumbar back assembly 2, the lower link 311 can rotate in the horizontal direction with a small degree while being fixed in the vertical direction with respect to the link flange 315.

In a preferred embodiment of the present invention, the rotation member 313 includes at least one rotation block main body 3131, one end of the rotation block main body 3131 is rotatably connected to the central shaft of the upper link 312, and one end of the rotation block main body 3131, which is far away from the upper link 312, is connected to the assisting unit 32, so that the upper limb angle of the rescuer of the assisting unit 32 is adapted.

As shown in fig. 1 and 4 to 6, one end of the rotation block main body 3131 close to the spine of the rescuer is rotatably connected to the top of the upper link 312 and rotates around the central axis of the upper link 312, one end of the rotation block main body 3131 far away from the spine of the rescuer is connected to the assisting part 32, which may be rotatably connected or fixedly connected, and the rotation connection of the rotation block main body 3131 and the upper link 312 can provide a certain mobility to the assisting part 32, thereby ensuring that the upper limb of the rescuer can freely move in the outward extension and inward extension and simultaneously provide assistance to the upper limb.

In a preferred embodiment of the present invention, the rotation member 313 further includes at least one rotation block shaft 3132, the rotation block shaft 3132 is parallel to the upper connecting rod 312, the five rotation block main bodies 3131 sequentially form a rotation chain through rotation of the rotation block shaft 3132, one end of the rotation chain is rotatably connected to the upper connecting rod 312, and the other end of the rotation chain is connected to the power assisting unit 32.

As shown in fig. 1, 4 to 6, five rotating block bodies 3131 are arranged from bottom to top in sequence from a side close to the spine of the rescuer to a side away from the spine, to form a stepped rotating chain, one end of a first rotating block body 3131 from bottom to top close to the spine is rotatably connected to the upper link 312 via a first rotating shaft 3121 and rotates around a central axis of the upper link 312, one end of a first rotating block body 3131 away from the spine is rotatably connected to a second rotating block body 3131 via a rotating block shaft, the second rotating block body 3131 is obliquely above the side of the first rotating block body 3131 away from the spine, and so on, a third rotating block body 3131 is obliquely above the side of the second rotating block body 3131 away from the spine and is rotatably connected to the second rotating block body 3131 via a rotating block shaft 3132 until the side of the fifth rotating block body 3131 away from the spine is connected to the last link 323 of the assisting portion 32, it may be that a fixing pin 3232 is provided between the block body 3131 and the final link 323 after the fifth block body 3131 and the final link 323 are rotatably connected by the second rotation shaft 3231, so that the fifth block body 3131 is actually fixed to the final link 323 to increase the connection strength between the rotation chain and the assisting portion 32.

Preferably, a rotary block bearing 3133 is disposed between the rotary block main body 3131 and the first, second and third rotary shafts 3121, 3132 and 3231, respectively, the rotary block bearing 3133 is fixed to the rotary block main body 3131 in an interference fit manner, and E-shaped snap springs are disposed at upper and lower ends of the first, second and third rotary shafts 3121, 3231 and 3132, respectively, to prevent axial movement by the E-shaped snap springs.

In a preferred embodiment of the present invention, the power assisting unit 32 includes a fixing unit 321, a driving unit 322 and a terminal connecting rod 323, one end of the terminal connecting rod 323 is connected to the adjusting unit 31, the other end is connected to the driving unit 322, and the fixing unit 321 is disposed on one side of the driving unit 322 far away from the terminal connecting rod 323, so as to provide power assisting for the upper limb of the rescuer through the driving unit 322.

As shown in fig. 1 and 7 to 9, one end of the end link 323 is rotatably connected to one end of an uppermost rotating block main body 3131 of the adjusting portion 31 through a rotating block shaft 3132, the end link 323 is used for connecting the driving member 322 and the adjusting portion 31, and the fixing member 321 can be more adapted to the angle of the upper limb of the rescuer through the lifting and angle adjustment of the adjusting portion 31, so as to increase the wearing comfort, preferably, the fixing member 321 includes an upper arm plate 3211 and a strap 3212, the upper arm plate 3211 is connected to a side of the driving member 322 away from the end link 323, the strap 3212 is used for fixing the upper limb of the rescuer with the upper arm plate 3211, and then the upper limb of the rescuer can be lifted or lowered along with the upper arm plate 3211 under the assistance of the driving member 322.

In a preferred embodiment of the present invention, the driving member 322 includes a housing 3221, a cam 3222, a swing arm 3223, a gas spring 3224 and a locking portion 3225, a cam shaft 32221 of the cam 3222 and a swing arm shaft 32231 of the swing arm 3223 are disposed in parallel on the housing 3221, one end of the cam shaft 32221 is connected to the end link 323, the gas spring 3224 is disposed on the housing 3221, and one end of the swing arm 3223 far away from the swing arm shaft 32231 is connected to the cam 3222 and the gas spring 3224, respectively.

As shown in fig. 1, 7 to 9, the housing 3221 includes a driver housing 32211 and a driver board 32212, a cam shaft 32221 extending from two sides of the cam 3222 is supported on the driver housing 32211 and the driver board 32212 through bearings, the cam shaft 32221 extending from a side close to the driver housing 32211 further passes through the end link 323, and a driver adjusting column 32222 is mounted on the cam shaft 32221, and an annular slot is disposed on the end link 323, within which the driver adjusting column 32222 can swing, thereby driving the cam 3222 to rotate relative to the end link 323. The cam 3222 is threadably connected to a fastening end cap 3226 at the end of the cam shaft 32221 adjacent one side of the actuator housing 32211. When the threaded connection between the cam shaft 32221 and the fastening end cover 3226 is loosened, the driver adjusting column 32222 can be shifted to change the relative position between the cam shaft 32221 and the tail connecting rod 323, and then the threaded connection between the cam shaft 32221 and the fastening end cover 3226 is fastened, so that the initial lifting assistance angle point of the upper limb of the rescuer can be changed, and the adjustment of the lifting assistance angle range is realized. Below the cam 3222, a swing arm 3223 is mounted via a swing arm shaft 32231 to a driver housing 32211 and a driver board 32212, and a cam roller 32232 is also disposed on the swing arm 3223 in contact with a contoured surface of the cam 3222. Likewise, a spring roller is also disposed on the swing arm 3223 in contact with the piston rod end surface of the gas spring 3224.

In a preferred embodiment of the present invention, the locking portion 3225 includes a switch shaft 32252 and a switch spring plunger 32251 perpendicular to the switch shaft 32252, the switch shaft 32252 and the switch spring plunger 32251 are respectively elastically connected to the housing 3221, a switch hole for abutting against the switch shaft 32252 is opened on the swing arm 3223 to lock the swing arm 3223, and a plunger groove for abutting against the switch spring plunger 32251 is opened along the axial direction of the switch shaft 32252 to lock the switch shaft 32252.

As shown in fig. 8 and 9, a switch hole is formed in a side surface of the swing arm 3223, a shaft head of the switch shaft 32252 extends into the switch hole under an external force to lock the swing arm 3223, and a switch cap 32254 covers an end of the switch shaft 32252 exposed outside the housing 3221. Specifically, a plunger groove is arranged on an outer axial surface of the switch shaft 32252, a plunger head of the switch spring plunger 32251 is arranged in the plunger groove, a switch spring main body 32253 is arranged on an outer ring of the switch shaft 32252, and two ends of the switch spring main body 32253 abut against the switch end cover 32255 and the driver shell 32211 respectively. When the switch shaft 32252 is pulled outward, the switch spring main body 32253 is compressed, the plunger head of the switch spring plunger 32251 slides along the channel on the switch shaft 32252, and finally sinks into the deep-groove socket on the side of the switch shaft 32252 near the swing arm 3223, at which time the swing arm 3223 can rotate around the swing arm shaft 32231 under the action of the piston rod of the gas spring 3224, so that the cam roller 32232 acts on the contour surface of the cam 3222 and forms a torque around the axis of the cam 3222, but the cam 3222 is fixed relative to the driver support arm, so that the swing arm 3223, the gas spring 3224 and the housing 3221 will rotate around the axis of the cam 3222, and the fixing member 321 will rotate therewith. When the upper limbs of the rescue worker are bound to the fixing part 321, the upper limbs are rotated accordingly to be lifted upwards. The contour shape of the cam 3222 is designed according to the moment variation relative to the shoulder joint when the upper limb of the human body is lifted, the geometry of the swing arm 3223, the force-stroke curve of the gas spring 3224, and the like. When the fixing member 321 returns to the position before rotation, the switch shaft 32252 is pressed inward, the plunger head of the switch spring plunger 32251 disengages from the deep-groove socket of the switch shaft 32252 on the side close to the swing arm 3223 and slides along the channel on the switch shaft 32252, and finally sinks into the deep-groove socket of the switch shaft 32252 on the side far from the swing arm 3223, and the shaft head of the switch shaft 32252 is pressed into the hole on the swing arm 3223, so that the swing arm 3223 is locked.

In a preferred embodiment of the present invention, the gas supply component 1 includes a gas cylinder assembly 11, a mask gas supply valve assembly 13 and a pressure reducer assembly 12, the gas cylinder assembly 11 is connected to the waist back component 2, the pressure reducer assembly 12 is connected to the gas cylinder assembly 11 through a gas pipe to stabilize the pressure of the output gas, and the mask gas supply valve assembly 13 is connected to the gas cylinder assembly 11 through a gas pipe to provide fresh air and protect the face of the rescue worker.

As shown in fig. 1 to 3, the mask air supply valve assembly 13 is an integrated design of a mask and an air supply valve, is connected with the air cylinder assembly 11 through an air pipe, provides protection for the face of a user, provides fresh air, is provided with an air supply adjusting knob, and has the functions of emergency air supply, mask forced defogging, excess air discharge and the like. The cylinder assembly comprises a carbon fiber composite gas cylinder and a cylinder valve anti-misoperation switch, wherein the carbon fiber composite gas cylinder is fixed on the waist back component 2 through a hoop 25, and preferably, a waist side plate 22 of the waist back component 2 is provided with a waist-shaped groove. Two staple bolts 25 pass through bolted connection on waist backplate 21, the cylinder valve is prevented mistake switch and is passed through the nut and connect in pressure reducer assembly 12, with the high-pressure draught that comes out in buffering carbon fiber composite gas cylinder through pressure reducer assembly 12, stabilize output gas pressure, air feed subassembly 1 still includes leading alarm, pressure display and manometer, leading alarm is connected in carbon fiber composite gas cylinder, report to the police falling of rescue personnel after certain angle through the slope of response carbon fiber composite gas cylinder, pressure display and manometer are connected in carbon fiber composite gas cylinder through the trachea respectively, with observe the bottle internal pressure and show the residual gas volume on pressure display.

Preferably, the pressure reducer assembly 12 is fixedly connected to the shoulder strap 23 of the lumbar-back component 2, and the shoulder strap 23 is positioned in front of the chest of the rescuer, so that the rescuer can conveniently check the pressure reducer at any time.

The working process of the utility model is described as follows:

when a human body is in a standing or sitting posture state, the equipment is carried on the body through the shoulder straps 23, the equipment is bound with the upper body of the human body through the buckles on the waist belt 24, the two upper limb power-assisted components 3 are respectively bound with the left upper limb and the right upper limb through the binding belts 3212 and play a supporting role on the upper arms, the overall length of the adjusting parts 31 on the left side and the right side is adjusted to adapt to different heights and statures of the human body, the mask of the mask air supply valve assembly 13 is fixed on the head, and fresh air is provided for the human body by opening the bottle valve anti-misoperation switch; when the switch shaft 32252 is pulled outwards, that is, the driver is turned "on", under the action of the force of the gas spring 3224, the driving members 322 on the left and right sides rotate around the axis of the cam 3222, and drive the upper limb assisting assembly 3 and the upper limb of the rescuer to rotate, so that the lifting assisting force of the upper limb of the rescuer is realized. In order to match different body weights and tool weights, the lifting assistance force can be adjusted by matching the gas springs 3224 with different inflation pressures. When the human body upper limb is pressed downwards to drive the driving piece 322 to rotate around the axis of the cam 3222 until the driving piece is in the vertical state, the switch shaft 32252 is pressed inwards, the driving piece is in the free state, the swing arm 3223 is locked when the driving piece is in the off state, the cam 3222 does not interact with the cam roller 32232 any more.

The utility model discloses an upper limbs helping hand equipment for rescue sets up upper limbs helping hand subassembly 3 in the left and right sides symmetry of waist back of the body subassembly 2, provide the helping hand to first-aid staff's upper limbs through upper limbs helping hand subassembly 3, improve the efficiency of rescue operation, it provides sufficient breathing gas for first-aid staff to set up air feed subassembly 1 on waist back of the body subassembly 2, reinforcing rescue lasting power and increase rescue success rate, first-aid staff only need pass the upper limbs and shoulder 23, through the connection of baldric 23 and waistband 24, can fix air feed subassembly 1 and upper limbs helping hand subassembly 3 at first-aid staff's back, it is convenient to dress, through the lift regulation and the angle modulation of regulating part 31, guarantee that driving piece 322 of helping hand part 32 dresses can freely rotate flexible when first-aid staff's upper limbs, thereby ensure that first-aid staff can be comfortable when wearing this equipment carry out the adduction of upper limbs, abduction, upper limbs, Uplift and subsidence movements and adduction and abduction movements of the shoulder joints.

In the embodiments of the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In the description of the embodiments of the present invention, it should be understood that the terms "upper" and "lower" are used for indicating the position or the positional relationship based on the position or the positional relationship shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but not for indicating or implying that the indicated device or unit must have a specific direction, be constructed and operated in a specific position, and thus, should not be construed as limiting the embodiments of the present invention.

In the description herein, the description of the terms "one embodiment," "a preferred embodiment," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the embodiments of the present invention should be included in the protection scope of the embodiments of the present invention.

Claims (10)

1. An upper limb assisting device for rescue, comprising:

a gas supply assembly (1) for providing sufficient breathing gas for the rescuer;

the waist and back assembly (2) is used for connecting the air supply assembly (1) to rescuers; and

the upper limb power-assisted components (3) are arranged on the two sides of the waist and back component (2) in a left-right symmetrical mode so as to provide power assistance for the upper limbs of rescuers;

the upper limb assisting assembly (3) comprises a regulating part (31) and an assisting part (32) which are connected, the regulating part (31) is connected to the waist and back assembly (2) to regulate the assisting part (32) to correspond to the upper limbs of rescuers, and the assisting part (32) is connected with the upper limbs of the rescuers to provide assisting force for the upper limbs of the rescuers.

2. The upper limb assisting device for rescue according to claim 1, wherein the adjusting part (31) comprises a lower connecting rod (311), an upper connecting rod (312) and a rotating part (313) connected to the upper connecting rod (312), the lower connecting rod (311) is connected to the waist and back assembly (2), the assisting part (32) is connected to the rotating part (313), the upper connecting rod (312) is provided with at least one adjusting hole at intervals along a central axis thereof, the lower connecting rod (311) is provided with an upper V-shaped elastic buckle (3111), and the lower connecting rod (311) passes through the upper connecting rod (312) to enable the upper V-shaped elastic buckle (3111) to be clamped in the adjusting hole.

3. The upper limb assisting device for rescue according to claim 2, wherein the adjusting portion (31) further comprises a connecting rod flange (315) provided with a waist-shaped hole, the connecting rod flange (315) is connected with the waist-back component (2), and a lower V-shaped elastic buckle (3112) is arranged at the lower end of the lower connecting rod (311) and is inserted into the connecting rod flange (315), so that the lower V-shaped elastic buckle (3112) is arranged in the waist-shaped hole.

4. The upper limb assisting device for rescue according to claim 3, wherein the waist-shaped hole is an elongated hole, and the length direction of the waist-shaped hole is arranged along the circumferential direction of the lower connecting rod (311).

5. The upper limb power assist device for rescue according to claim 2, wherein the rotation member (313) includes at least one rotation block body (3131), one end of the rotation block body (3131) is rotatably connected with a central shaft of the upper link (312), and one end of the rotation block body (3131) away from the upper link (312) is connected to the power assist part (32) to adapt an upper limb angle of a rescuer of the power assist part (32).

6. The upper limb assist apparatus for rescue according to claim 5, wherein the rotation member (313) further includes at least one rotation block shaft (3132), the rotation block shaft (3132) is disposed in parallel with the upper link (312), five rotation block bodies (3131) are sequentially rotatably connected by the rotation block shaft (3132) to form a rotation chain, one end of the rotation chain is rotatably connected to the upper link (312), and the other end of the rotation chain is connected to the assist part (32).

7. The upper limb assisting apparatus for rescue according to claim 1, wherein the assisting portion (32) comprises a fixing member (321), a driving member (322), and a tail link (323), one end of the tail link (323) is connected to the adjusting portion (31), and the other end is connected to the driving member (322), the fixing member (321) is disposed on a side of the driving member (322) away from the tail link (323) to provide assistance to the upper limb of the rescuer through the driving member (322).

8. The upper limb assistance device for rescue according to claim 7, wherein the driving member (322) comprises a housing (3221), a cam (3222), a swing arm (3223), a gas spring (3224) and a locking portion (3225), a cam shaft (32221) of the cam (3222) and a swing arm shaft (32231) of the swing arm (3223) are arranged on the housing (3221) in parallel, one end of the cam shaft (32221) is connected to the end link (323), the gas spring (3224) is arranged on the housing (3221), and one end of the swing arm (3223) far away from the swing arm shaft (32231) is connected to the cam (3222) and the gas spring (3224), respectively.

9. The upper limb assistance device for rescue according to claim 8, wherein the locking portion (3225) includes a switch shaft (32252) and a switch spring plunger (32251) perpendicular to the switch shaft (32252), the switch shaft (32252) and the switch spring plunger (32251) are respectively elastically connected to the housing (3221), the swing arm (3223) is provided with a switch hole for abutting against the switch shaft (32252) to lock the swing arm (3223), and the switch shaft (32252) is provided with a plunger groove for abutting against the switch spring plunger (32251) along an axial direction thereof to lock the switch shaft (32252).

10. The upper limb assisting device for rescue according to claim 1, wherein the gas supply component (1) comprises a gas cylinder assembly (11), a mask gas supply valve assembly (13) and a pressure reducer assembly (12), the gas cylinder assembly (11) is connected to the lumbar and back component (2), the pressure reducer assembly (12) is connected to the gas cylinder assembly (11) through a gas pipe so as to stabilize the pressure of output gas, and the mask gas supply valve assembly (13) is connected to the gas cylinder assembly (11) through a gas pipe so as to provide fresh air and protect the face of a rescuer.

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