CN112791271A

CN112791271A - Raynaud patient's first aid face guard for ambulance

Info

Publication number: CN112791271A
Application number: CN202110001212.1A
Authority: CN
Inventors: 贺孝聪; 高凡凡
Original assignee: Individual
Current assignee: Darta Nanjing Intelligent Equipment Co ltd
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-05-14
Anticipated expiration: 2041-01-04
Also published as: CN112791271B

Abstract

The invention provides a cyanosis patient first-aid mask for an ambulance, and belongs to the technical field of medical appliances. When it had solved current ambulance rescue patient, because the existence of the road jolt or the ambulance emergency brake condition, lead to the doctor hardly stable when injecting the liquid medicine for patient to find the injection port, and handheld injection cylinder sits and also has certain potential safety hazard in the car, and the oxygen guide in the ambulance mostly relies on the doctor to go on with the help of the gasbag manually, and whole operation process can make the doctor feel the problem of very tired. This first aid mask for cyanosis patient for ambulance, including the casing, be injectd working space in the casing, be equipped with the power unit of this face guard operation of drive in the working space, lie in the working space power unit left side is equipped with injection mechanism. This ambulance is with cyanosis patient first aid face guard uses more convenient, laborsaving, and stability is higher.

Description

Raynaud patient's first aid face guard for ambulance

Technical Field

The invention belongs to the technical field of medical appliances, and relates to a cyanosis patient first-aid mask for an ambulance.

Background

Cyanosis means a clinical manifestation that skin and facial membranes are bluish due to the increase of reduced hemoglobin in blood or abnormal hemoglobin derivatives such as methemoglobin and sulfurated hemoglobin in blood, and the appearance of cyanosis indicates that the body is lack of oxygen, which is a serious sign of the disease and should be noticed immediately for timely treatment and treatment, ambulance is on the way of rescuing cyanosis patients and transporting to hospitals, can intermittently inject respiratory center stimulant to a patient, conduct oxygen-guiding treatment, when an ambulance rescues the patient, because of the bumping of the road or the emergency brake of the ambulance, the doctor is difficult to stably find the injection port when injecting the liquid medicine to the patient, and a certain potential safety hazard also exists when the handheld injection syringe is seated in the ambulance, and the oxygen guide in the ambulance is mostly carried out by the aid of an air bag manually by a doctor, and the doctor feels very tired in the whole operation process.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and provides the cyanosis patient first-aid mask for the ambulance, which is more convenient and labor-saving to use and has higher stability.

The purpose of the invention can be realized by the following technical scheme: the utility model provides an ambulance is with cyanosis patient first aid face guard, includes the casing, it has the workspace to inject in the casing, be equipped with the power unit that drives this face guard operation in the workspace, lie in the workspace the power unit left side is equipped with injection mechanism, lie in the workspace power unit right side is equipped with drive mechanism, the lower extreme of casing is equipped with the supporting mechanism that supports this face guard.

Before using this face guard, place this face guard on patient's arm through supporting mechanism earlier, start power unit, power unit leads oxygen to the patient on the one hand, on the other hand drive injection mechanism and drive mechanism intermittent type nature operation, injection mechanism moves, can stably inject patient's arm syringe needle department with the liquid medicine, the stability of liquid medicine injection has been guaranteed on the one hand, on the other hand has also improved the security, drive mechanism moves, but drive mechanism intermittent type nature blow to supporting mechanism department, drive supporting mechanism and hit the massage to patient's arm, relax the stiff skin of patient, in order to promote blood circulation, help the flow of liquid medicine in blood.

Preferably, the power mechanism comprises a motor box fixedly arranged on the inner wall of the upper side of the shell, the upper end wall of the motor box is provided with two vent holes, the two vent holes penetrate through the upper end wall of the shell and are communicated with the external space, the inner walls of the left side and the right side of the motor box are respectively and fixedly connected with a base, a double-shaft motor is arranged between the two bases, the upper output end of the double-shaft motor is fixedly connected with a first output shaft, a fan is sleeved on the first output shaft, an air guide valve is arranged in the right end wall of the motor box and is communicated with an air pipe penetrating through the right end wall of the shell and extending to the external space, the air pipe is positioned in the external space and is communicated with a face mask, the lower output end of the double-shaft motor is fixedly connected with a second output shaft penetrating through the lower end wall of the motor box and, the lower side inner wall of the shell is located the left side of the second output shaft is rotatably connected with a first gear shaft, a first full-tooth gear meshed with the half-tooth gear is sleeved on the first gear shaft, a first reel is sleeved above the first full-tooth gear, the lower side inner wall of the shell is located the right left side of the second output shaft is rotatably connected with a second gear shaft, a second full-tooth gear meshed with the half-tooth gear is sleeved on the second gear shaft, and a first bevel gear is sleeved above the second full-tooth gear on the second gear shaft.

After the arm of a patient is well placed on the mask, the mask is worn on the face of the patient, a double-shaft motor in a motor box is started, a fan is driven to rotate by the first output shaft on the same plane of the double-shaft motor, air in the external space is adsorbed into the motor box through two vent holes in the rotation process of the fan, and the air in the motor box is discharged into the mask along an air pipe to conduct oxygen to the patient through the control of an air guide valve in the right end wall of the motor box;

on the other hand, when the double-shaft motor rotates, the half-tooth gear is driven by the second output shaft to rotate, due to the design of the half-tooth gear, the half-tooth gear is alternately meshed with the first full-tooth gear and the second full-tooth gear in a working space, when the half-tooth gear is meshed with the first full-tooth gear, the first full-tooth gear drives the first reel to rotate through the first gear shaft, the operation of the injection mechanism is moved through the first reel, when the half-tooth gear is meshed with the second full-tooth gear, the second full-tooth gear drives the first bevel gear to rotate through the second gear shaft, and power is provided for the operation of the transmission mechanism through the first bevel gear.

Preferably, the injection mechanism comprises an injection tube arranged at the left side of the power mechanism in the working space, an injection head communicated with a needle on the arm of a patient is arranged at the lower end of the injection tube, an injection port communicated with the injection tube is formed in the upper end wall of the shell, a slide way is formed in the right end wall of the injection tube, a first accommodating cavity is defined below the slide way in the right end wall of the injection tube, a second accommodating cavity is defined in the left end wall of the injection tube, a rack is arranged in the second accommodating cavity, a slide block is connected in the slide way in a sliding manner, a first compression spring is fixedly connected between the lower end of the slide block and the bottom end of the slide way, a first cord passing through the first accommodating cavity is in transmission connection between the lower end of the slide block and a first reel of the power mechanism, and a guide wheel for guiding the first cord is rotatably connected in the first accommodating cavity, the slider is close to one side terminal surface of injection tube central line has linked firmly sealed slider, it has the row of medicine hole to open in the sealed slider, lie in the sealed slider the spout has been seted up in the left side in row medicine hole, sliding connection is right in the spout the baffle that row medicine hole blockked, the baffle with second compression spring has been linked firmly between the bottom in row medicine hole, the left end face of sealed slider rotates and is connected with and is located the third gear shaft of second arrangement intracavity, the cover is equipped with on the third gear shaft with rack engaged with third full-tooth gear, lie in on the third gear shaft be equipped with the second reel in third full-tooth gear rear cover, the second reel with the transmission is connected with the second cotton rope between the baffle.

When the sliding block moves downwards in the sliding rail, the sliding block drives the sealing sliding block to move downwards in the injection tube, the third full-tooth gear is driven to be meshed with the rack through the third gear shaft in the downward moving process of the sealing sliding block, the third full-tooth gear is controlled to rotate in the second accommodating cavity, the second wire reel is driven to wind the second wire rope in the rotating process of the third full-tooth gear, and the second wire rope pulls the partition plate to slide inwards in the sliding groove;

when the sealing slide block moves downwards continuously to enable the third full-tooth gear to be disengaged from the rack, the compressed second compression spring resets to push the partition plate to slide towards the outside of the sliding groove, so that the partition plate isolates the medicine discharge holes again, the lower half part of the sealing slide block in the injection tube is pressurized through the partition plate and the sealing slide block, and the medicine liquid at the lower half part of the sealing slide block is injected to a needle head of an arm of a patient along an injection head;

when ambulance rescue patient, because jolt or the ambulance emergency brake condition's of road existence, lead to the doctor hardly stable when injecting the liquid medicine for patient to find out the injection mouth, and handheld injection cylinder sits and also has certain potential safety hazard in the car, design through above structure, can be directly inject the liquid medicine into the injection tube along the injection mouth, stable injection to patient's arm syringe needle department along the injection head through the cooperation between sealed slider and baffle with the liquid medicine, the stability of liquid medicine injection has been guaranteed on the one hand, on the other hand has also improved the security.

Preferably, the transmission mechanism comprises a fourth gear shaft rotatably arranged between the right end surface of the motor box of the power mechanism and the right inner wall of the shell, a second bevel gear meshed with the first bevel gear of the power mechanism is sleeved on the fourth gear shaft, an eccentric block is sleeved on the fourth gear shaft and positioned on the right side of the second bevel gear, a U-shaped groove is fixedly connected with the inner wall of the lower side of the shell, a sliding plate matched with the eccentric block is connected in the U-shaped groove in a sliding manner, a third compression spring is fixedly connected between the sliding plate and the bottom end of the U-shaped groove, a first regulating valve is arranged in the right end wall of the U-shaped groove, a first vent pipe which penetrates through the right end wall of the shell and extends to the external space is communicated with the first regulating valve, and a second regulating valve is arranged in the lower end wall of the U-shaped groove, and the lower end of the second regulating valve is communicated with a second vent pipe extending to the supporting mechanism.

When power unit's first bevel gear rotated, first bevel gear took place the meshing with the second bevel gear, the second bevel gear drives the eccentric block through the fourth gear shaft and rotates in working space, the intermittent type extrusion slide in the eccentric block rotation process slides to U type inslot, when the slide moved down in U type inslot, the slide discharged the gas in U type inslot to supporting mechanism department along the second breather pipe through second regulating valve control, when the slide moved up in U type inslot, through the control of first regulating valve with outside air along first breather pipe suck U type inslot once more, through the setting of first governing valve and second breather pipe, certain of the gas volume in U type inslot has been guaranteed.

Preferably, the supporting mechanism comprises a supporting plate fixedly arranged on the lower end face of the shell, a third accommodating cavity is limited in the supporting plate, a groove is fixedly connected to the inner wall of the front side of the third accommodating cavity, a baffle is connected in the groove in a sliding manner, a fourth compression spring is fixedly connected between the baffle and the bottom end of the groove, a rotating shaft penetrating through the rear end wall of the supporting plate is rotatably connected to the baffle, a button is fixedly connected to the rear end face of the rotating shaft, a pawl is sleeved on the rotating shaft positioned in the third accommodating cavity, a third reel is sleeved on the rotating shaft positioned in front of the pawl, a ratchet shaft is rotatably connected to the upper portion of the rotating shaft, a ratchet wheel matched with the pawl is sleeved on the ratchet shaft, and supporting assemblies are respectively arranged on the left side and the right side of the third accommodating cavity on the supporting plate, the two supporting components are distributed in a left-right symmetrical mode relative to the center line of the supporting plate.

Pawl and ratchet contact during the initial time, the state of countershaft in the backup pad is injectd down, make the pivot unable rotation in the backup pad, before using this face guard, press the button to being close to the backup pad direction, the button drives the pivot and slides in the backup pad, the pivot slides in-process and drives the baffle on the one hand and slide in the recess, hold power with fourth compression spring compression, on the other hand pivot drives the pawl and breaks away from there being the ratchet contact, make the pivot spacing disappearance in the backup pad, the turn button drives the pivot and carries out forward or reverse rotation in the backup pad this moment, the pivot rotates the thing and drives the third reel and carry out forward or reverse rotation in the backup pad, in order to adjust two supporting component interval sizes.

Preferably, the support assembly comprises a slide rail arranged in the support plate, a moving block is connected in the slide rail in a sliding manner, a third cord is connected between one side end surface of the moving block close to the third placement cavity and a third reel of the support mechanism in a transmission manner, a first extension spring is fixedly connected between one side end surface of the moving block far away from the third placement cavity and the bottom end of the slide rail, a telescopic cylinder is fixedly connected to the lower end surface of the moving block, a telescopic rod is connected in the telescopic cylinder in a sliding manner, a fixed block is fixedly connected to one side end surface of the telescopic rod close to the central line of the support plate, an arc-shaped support plate is rotatably connected to the fixed block, a torsion spring capable of resetting the arc-shaped support plate is fixedly connected between the arc-shaped support plate and the fixed block, and an air cavity communicated, the inner end face of the arc-shaped supporting plate is provided with at least two massage assemblies, the massage assemblies are uniformly distributed on the inner end face of the arc-shaped supporting plate along the circumferential direction of the arc-shaped supporting plate, each massage assembly comprises a guide rail arranged on the inner end face of the arc-shaped supporting plate, a convex block is connected in the guide rail in a sliding mode, and a second extension spring is fixedly connected between the convex block and the bottom end of the air cavity.

When a third reel of the supporting mechanism rotates, the moving block is controlled to slide in the sliding rail in a reciprocating manner by winding or loosening a third cord so as to adjust the distance between the two arc-shaped supporting plates, so that the two arc-shaped supporting plates are just placed on the arm of a patient and support the mask to a certain extent, when wind in a second vent pipe of the transmission mechanism enters the air cavity, the wind blows the lug to slide in the direction away from the air cavity in the guide rail, the second stretching spring is stretched and stored in the sliding process of the lug, the lug hits the skin of the patient to a certain extent, when the second vent pipe of the transmission mechanism stops blowing wind in the air cavity, the stretched second stretching spring is reset to drive the lug to slide in the direction close to the air cavity in the guide rail, and the lug is loosened to the stiff skin of the patient through the reciprocating sliding of the lug in the guide rail so as to promote the blood circulation, which facilitates the flow of the medical solution in the blood.

Compared with the prior art, this ambulance has following advantage with cyanosis patient first aid mask:

1. when ambulance rescue patient, because jolt or the ambulance emergency brake condition's of road existence, lead to the doctor hardly stable when injecting the liquid medicine for patient to find out the injection mouth, and handheld injection cylinder sits and also has certain potential safety hazard in the car, design through injection mechanism, can be directly inject the liquid medicine into the injection tube along the injection mouth, through the cooperation between sealed slider and baffle with the liquid medicine along the injection head stable injection to patient's arm syringe needle department, the stability of liquid medicine injection has been guaranteed on the one hand, on the other hand has also improved the security.

2. The arrangement of the first adjusting valve and the second vent pipe in the U-shaped groove of the transmission mechanism ensures the fixed amount of gas in the U-shaped groove.

3. Due to the design of the supporting mechanism, when the supporting mechanism stably supports the mask, the convex block inside the supporting mechanism can slide in the guide rail in a reciprocating mode, so that the convex block can relax the stiff skin of a patient, blood circulation is promoted, and the flowing of liquid medicine in blood is facilitated.

Drawings

Fig. 1 is a cross-sectional view of the whole structure of a cyanosis patient first aid mask for the ambulance.

Fig. 2 is a top sectional view of the half-tooth gear 19 of fig. 1 according to the present invention.

Fig. 3 is an enlarged view of a portion of fig. 1 a of the present invention.

Fig. 4 is a partially enlarged schematic view of the invention at B in fig. 1.

Fig. 5 is a cross-sectional view taken along the line C-C of fig. 4 in accordance with the present invention.

Fig. 6 is an enlarged partial schematic view of the invention at D in fig. 1.

Fig. 7 is a cross-sectional view taken in the direction E-E of fig. 1 in accordance with the present invention.

Fig. 8 is an enlarged partial schematic view of the invention at F in fig. 1.

In the figure, a housing 10, a working space 11, a motor case 12, a vent hole 13, a base 14, a double-shaft motor 15, a first output shaft 16, a fan 17, a second output shaft 18, a half-tooth gear 19, a second gear shaft 20, a second full-tooth gear 21, a first bevel gear 22, a second bevel gear 23, a fourth gear shaft 24, a U-shaped groove 25, a slide plate 26, a third compression spring 27, an eccentric block 28, a first vent pipe 29, a first regulating valve 30, a second vent pipe 31, a second regulating valve 32, a first gear shaft 33, a first full-tooth gear 34, a first reel 35, an injection cylinder 36, a first placement chamber 37, a first cord 38, a guide wheel 39, an injection head 40, a slide way 41, a slide block 42, a first compression spring 43, a sealing slide block 44, a drug discharge hole 45, a slide way 46, a partition plate 47, a second compression spring 48, a second cord 49, a third gear shaft 51, a second reel 52, a third full-tooth gear 53, a, The device comprises a rack 54, an air guide valve 55, an air pipe 56, a mask 57, a supporting plate 58, a slide rail 59, a moving block 60, a first extension spring 61, a telescopic cylinder 62, a telescopic rod 63, a fixed block 64, a torsion spring 65, an arc-shaped supporting plate 66, an air cavity 67, a guide rail 68, a lug 69, a second extension spring 70, a third arranging cavity 71, a rotating shaft 72, a button 73, a ratchet shaft 74, a ratchet 75, a pawl 76, a third reel 77, a groove 78, a baffle 79, a fourth compression spring 80, a second arranging cavity 82, a third cord 83 and an injection port 85.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, an ambulance is with cyanosis patient first aid face guard, including casing 10, is injectd working space 11 in the casing 10, is equipped with the power unit that drives this face guard operation in the working space 11, is located the power unit left side in working space 11 and is equipped with injection mechanism, is located the power unit right side in working space 11 and is equipped with drive mechanism, and the lower extreme of casing 10 is equipped with the supporting mechanism that supports this face guard.

As shown in fig. 1, 2 and 3, the power mechanism includes a motor box 12 fixedly disposed on the inner wall of the upper side of the casing 10, the upper end wall of the motor box 12 is opened with two vent holes 13, the two vent holes 13 penetrate through the upper end wall of the casing 10 to communicate with the external space, the inner walls of the left and right sides of the motor box 12 are respectively fixedly connected with a base 14, a dual-shaft motor 15 is disposed between the two bases 14, the upper output end of the dual-shaft motor 15 is fixedly connected with a first output shaft 16, a fan 17 is sleeved on the first output shaft 16, an air guide valve 55 is disposed in the right end wall of the motor box 12, an air pipe 56 penetrating through the right end wall of the casing 10 to extend to the external space is communicated with the air guide valve 55, a face mask 57 is communicated with the portion of the external space of the air pipe 56, the lower output end of the dual-shaft motor 15 is fixedly connected with a second output, the lower inner wall of the casing 10 is rotatably connected with a first gear shaft 33 on the left side of the second output shaft 18, a first full-tooth gear 34 meshed with the half-tooth gear 19 is sleeved on the first gear shaft 33, a first reel 35 is sleeved on the first full-tooth gear 34 on the first gear shaft 33, a second gear shaft 20 is rotatably connected on the right left side of the second output shaft 18 on the lower inner wall of the casing 10, a second full-tooth gear 21 meshed with the half-tooth gear 19 is sleeved on the second gear shaft 20, and a first bevel gear 22 is sleeved on the second full-tooth gear 21 on the second gear shaft 20.

After the mask is arranged on the arm of a patient, the mask 57 is worn on the face of the patient, the double-shaft motor 15 in the motor box 12 is started, the fan 17 is driven to rotate by the first output shaft 16 on the same face of the double-shaft motor 15, air in the external space is absorbed into the motor box 12 through the two vent holes 13 in the rotation process of the fan 17, and the air in the motor box 12 is discharged into the mask 57 along the air pipe 56 to conduct oxygen on the patient through the control of the air guide valve 55 in the right end wall of the motor box 12;

on the other hand, when the double-shaft motor 15 rotates, the half-tooth gear 19 is driven to rotate through the second output shaft 18, due to the design of the half-tooth gear 19, the half-tooth gear 19 is meshed with the first full-tooth gear 34 and the second full-tooth gear 21 alternately in the working space 11, when the half-tooth gear 19 is meshed with the first full-tooth gear 34, the first full-tooth gear 34 drives the first reel 35 to rotate through the first gear shaft 33, the first reel 35 provides power for the operation of the injection mechanism, when the half-tooth gear 19 is meshed with the second full-tooth gear 21, the second full-tooth gear 21 drives the first bevel gear 22 to rotate through the second gear shaft 20, and the first bevel gear 22 provides power for the operation of the transmission mechanism.

As shown in fig. 1, 4 and 5, the injection mechanism includes an injection tube 36 disposed at the left side of the power mechanism in the working space 11, an injection head 40 communicated with the needle head on the arm of the patient is disposed at the lower end of the injection tube 36, an injection port 85 communicated with the injection tube 36 is disposed in the upper end wall of the housing 10, a slide rail 41 is disposed in the right end wall of the injection tube 36, a first accommodating cavity 37 is defined in the right end wall of the injection tube 36 below the slide rail 41, a second accommodating cavity 82 is defined in the left end wall of the injection tube 36, a rack 54 is disposed in the second accommodating cavity 82, a slide block 42 is slidably connected in the slide rail 41, a first compression spring 43 is fixedly connected between the lower end of the slide block 42 and the bottom end of the slide rail 41, a first string 38 passing through the first accommodating cavity 37 is drivingly connected between the lower end of the slide block 42 and the first reel 35 of the power mechanism, a guide wheel 39 for, slider 42 has linked firmly sealed slider 44 near the one side terminal surface of 36 central lines of injection tube, it has row's medicine hole 45 to open in the sealed slider 44, spout 46 has been seted up on the left side that lies in row medicine hole 45 in the sealed slider 44, sliding connection has the baffle 47 that stops row medicine hole 45 in the spout 46, second compression spring 48 has been linked firmly between the bottom of baffle 47 and row medicine hole 45, the left end face of sealed slider 44 rotates and is connected with the third gear shaft 51 that lies in the second arrangement chamber 82, the cover is equipped with the third full gear 53 with rack 54 looks meshing on the third gear shaft 51, it is equipped with second reel 52 to lie in third full gear 53 rear cover on the third gear shaft 51, the transmission is connected with second line 49 between second reel 52 and the baffle 47.

Initially, the partition plate 47 is located outside the chute 46 under the action of the second compression spring 48, that is, the partition plate 47 blocks the medicine discharge hole 45, when a patient needs to be injected with medicine liquid, the injection port 85 injects the medicine liquid into the injection tube 36 above the sealing slide block 44, as the first thread wheel 35 of the power mechanism intermittently winds the first thread rope 38 guided by the guide wheel 39, the slide block 42 is pulled by the first thread rope 38 to slide back and forth in the slide way 41, when the slide block 42 moves down in the slide way 41, the slide block 42 drives the sealing slide block 44 to move down in the injection tube 36, the third full-tooth gear 53 is driven by the third gear shaft 51 to be meshed with the rack 54 during the downward movement of the sealing slide block 44, the third full-tooth gear 53 is controlled to rotate in the second installation cavity 82, the second thread rope 49 is driven by the third gear shaft 51 during the rotation of the third full-tooth gear 53, the second rope 49 pulls the clapboard 47 to slide into the sliding chute 46;

when the partition plate 47 slides, on one hand, the second compression spring 48 is compressed to store force, on the other hand, the medicine discharging hole 45 in the center of the sealing slide block 44 is opened, so that the medicine liquid above the sealing slide block 44 flows to the lower part of the sealing slide block 44 along the medicine discharging hole 45, when the sealing slide block 44 moves downwards continuously to enable the third full-tooth gear 53 to be disengaged from the rack 54, the compressed second compression spring 48 resets to push the partition plate 47 to slide towards the outside of the sliding groove 46, so that the partition plate 47 isolates the medicine discharging hole 45 again, the lower half part of the injection tube 36, which is positioned at the sealing slide block 44, is pressurized through the partition plate 47 and the sealing slide block 44, and the medicine liquid positioned at the lower half part of the sealing slide block 44 is injected to;

when ambulance rescue patient, because the existence of the jolt of road or the ambulance emergency brake condition, lead to the doctor hardly stable finding the injection port when injecting the liquid medicine for patient, and handheld injection syringe sits and also has certain potential safety hazard in the car, design through above structure, can directly inject the liquid medicine into injection tube 36 along injection port 85 in, cooperation through between sealed slider 44 and baffle 47 is with the liquid medicine along injection head 40 stable injection to patient's arm syringe needle department, the stability of liquid medicine injection has been guaranteed on the one hand, on the other hand has also improved the security.

As shown in figure 1 of the drawings, in which, as shown in fig. 6, the transmission mechanism includes a fourth gear shaft 24 rotatably disposed between the right end face of the motor box 12 of the power mechanism and the right inner wall of the housing 10, a second bevel gear 23 engaged with the first bevel gear 22 of the power mechanism is sleeved on the fourth gear shaft 24, an eccentric block 28 is sleeved on the right side of the second bevel gear 23 on the fourth gear shaft 24, a U-shaped groove 25 is fixedly connected to the lower inner wall of the housing 10, a sliding plate 26 matched with the eccentric block 28 is slidably connected to the U-shaped groove 25, a third compression spring 27 is fixedly connected between the sliding plate 26 and the bottom end of the U-shaped groove 25, a first adjusting valve 30 is disposed in the right end wall of the U-shaped groove 25, the first adjusting valve 30 is communicated with a first vent pipe 29 extending through the right end wall of the housing 10 to the external space, a second adjusting valve 32 is disposed in the lower end wall of the U-shaped groove 25.

When the first bevel gear 22 of the power mechanism rotates, the first bevel gear 22 is meshed with the second bevel gear 23, the second bevel gear 23 drives the eccentric block 28 to rotate in the working space 11 through the fourth gear shaft 24, the sliding plate 26 is intermittently extruded to slide into the U-shaped groove 25 during the rotation of the eccentric block 28, when the sliding plate 26 moves downwards in the U-shaped groove 25, the sliding plate 26 discharges the gas in the U-shaped groove 25 to the supporting mechanism along the second vent pipe 31 under the control of the second regulating valve 32, when the sliding plate 26 moves upwards in the U-shaped groove 25, the outside air is sucked into the U-shaped groove 25 again along the first vent pipe 29 under the control of the first regulating valve 30, and the certain amount of the gas in the U-shaped groove 25 is ensured through the arrangement of the first regulating valve 30 and the second vent pipe 31.

As shown in figure 1 of the drawings, in which, as shown in fig. 7, the supporting mechanism includes a supporting plate 58 fixedly disposed on the lower end surface of the housing 10, a third placing cavity 71 is defined in the supporting plate 58, a groove 78 is fixedly connected to the inner wall of the front side of the third placing cavity 71, a baffle 79 is slidably connected in the groove 78, a fourth compression spring 80 is fixedly connected between the baffle 79 and the bottom end of the groove 78, a rotating shaft 72 penetrating through the rear end wall of the supporting plate 58 is rotatably connected to the baffle 79, a button 73 is fixedly connected to the rear end surface of the rotating shaft 72, the rotating shaft 72 is located inside the third placing cavity 71 and sleeved with a pawl 76, a third reel 77 is sleeved on the rotating shaft 72 and located in front of the pawl 76, a ratchet shaft 74 is rotatably connected to the inner wall of the rear side of the third placing cavity 71 and located above the rotating shaft 72, a ratchet 75 matched with the pawl 76 is sleeved on the ratchet shaft 74, supporting assemblies are respectively disposed on the left side and the right side of the.

Initially, the pawl 76 contacts the ratchet 75 to limit the state of the rotating shaft 72 in the support plate 58, so that the rotating shaft 72 cannot rotate in the support plate 58, before the mask is used, the button 73 is pressed towards the direction close to the support plate 58, the button 73 drives the rotating shaft 72 to slide in the support plate 58, the rotating shaft 72 drives the baffle 79 to slide in the groove 78 to compress the fourth compression spring 80 for storing force, on the other hand, the rotating shaft 72 drives the pawl 76 to be disconnected with the ratchet 75 to stop the rotating shaft 72 in the support plate 58, at the moment, the rotating button 73 drives the rotating shaft 72 to rotate forwards or backwards in the support plate 58, and the rotating shaft 72 drives the third reel 77 to rotate forwards or backwards in the support plate 58 to adjust the distance between the two support components.

As shown in fig. 1 and 8, the supporting component includes a sliding rail 59 disposed in the supporting plate 58, a moving block 60 is slidably connected in the sliding rail 59, a third cord 83 is drivingly connected between a side end surface of the moving block 60 close to the third placing cavity 71 and a third reel 77 of the supporting mechanism, a first extension spring 61 is fixedly connected between a side end surface of the moving block 60 far away from the third placing cavity 71 and a bottom end of the sliding rail 59, a telescopic cylinder 62 is fixedly connected to a lower end surface of the moving block 60, a telescopic rod 63 is slidably connected in the telescopic cylinder 62, a fixed block 64 is fixedly connected to a side end surface of the telescopic rod 63 close to a center line of the supporting plate 58, an arc supporting plate 66 is rotatably connected to the fixed block 64, a torsion spring 65 capable of resetting the arc supporting plate 66 is fixedly connected between the arc supporting plate 66 and the fixed block 64, an air cavity 67 communicated with the second vent pipe 31 of the driving mechanism, the massage components are uniformly distributed on the inner end face of the arc-shaped supporting plate 66 along the circumferential direction of the arc-shaped supporting plate 66, each massage component comprises a guide rail 68 arranged on the inner end face of the arc-shaped supporting plate 66, a convex block 69 is connected in the guide rail 68 in a sliding mode, and a second extension spring 70 is fixedly connected between the convex block 69 and the bottom end of the air cavity 67.

When the third reel 77 of the supporting mechanism rotates, the moving block 60 is controlled to slide back and forth in the slide rail 59 by winding or loosening the third cord 83, so as to adjust the distance between the two arc-shaped supporting plates 66, so that the two arc-shaped supporting plates 66 are just placed on the arms of a patient, and certain support is provided for the mask, when the wind in the second ventilating pipe 31 of the transmission mechanism enters the air cavity 67, the wind-blowing lug 69 slides in the guide rail 68 in the direction away from the air cavity 67, on one hand, the second stretching spring 70 is stretched and stored in the force during the sliding process of the lug 69, on the other hand, the lug 69 strikes the skin of the patient, when the second ventilating pipe 31 of the transmission mechanism stops blowing the wind into the air cavity 67, the stretched second stretching spring 70 is reset to drive the lug 69 to slide in the guide rail 68 in the direction close to the air cavity 67, and through the back and forth sliding of the lug 69, the projections 69 are allowed to relax the stiff skin of the patient to promote blood circulation and facilitate the flow of the liquid medicine in the blood.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An ambulance is with cyanosis patient first aid face guard, includes casing (10), has confined work space (11) in casing (10), its characterized in that: a power mechanism for driving the mask to run is arranged in the working space (11), an injection mechanism is arranged on the left side of the power mechanism in the working space (11), a transmission mechanism is arranged on the right side of the power mechanism in the working space (11), and a supporting mechanism for supporting the mask is arranged at the lower end of the shell (10).

2. An ambulance cyanosis patient first aid mask according to claim 1, wherein: the power mechanism comprises a motor box (12) fixedly arranged on the inner wall of the upper side of the shell (10), the upper end wall of the motor box (12) is provided with two vent holes (13), the two vent holes (13) penetrate through the upper end wall of the shell (10) and are communicated with the external space, the inner walls of the left side and the right side of the motor box (12) are fixedly connected with bases (14) respectively, a double-shaft motor (15) is arranged between the two bases (14), the upper output end of the double-shaft motor (15) is fixedly connected with a first output shaft (16), a fan (17) is sleeved on the first output shaft (16), an air guide valve (55) is arranged in the right end wall of the motor box (12), the air guide valve (55) is communicated with an air pipe (56) penetrating through the right end wall of the shell (10) and extending to the external space, and the air pipe (56) is positioned in the, the lower output end of the double-shaft motor (15) is fixedly connected with a through end wall of the motor box (12) extends to a second output shaft (18) in the working space (11), a half-tooth gear (19) is sleeved on the second output shaft (18), the lower side inner wall of the shell (10) is located on the left side of the second output shaft (18) in a rotating mode and is connected with a first gear shaft (33), a first full-tooth gear (34) meshed with the half-tooth gear (19) is sleeved on the first gear shaft (33), a first reel (35) is sleeved on the first full-tooth gear (34) above the first gear shaft (33), the lower side inner wall of the shell (10) is located on the right left side of the second output shaft (18) in a rotating mode and is connected with a second gear shaft (20), a second full-tooth gear (21) meshed with the half-tooth gear (19) is sleeved on the second gear shaft (20), a first bevel gear (22) is sleeved on the second gear shaft (20) above the second full-tooth gear (21).

3. An ambulance cyanosis patient first aid mask according to claim 2, wherein: the injection mechanism comprises an injection tube (36) which is arranged in the working space (11) and positioned on the left side of the power mechanism, an injection head (40) communicated with a needle head on the arm of a patient is arranged at the lower end of the injection tube (36), an injection port (85) communicated with the injection tube (36) is communicated with the upper end wall of the shell (10), a slide way (41) is arranged in the right end wall of the injection tube (36), a first accommodating cavity (37) is limited below the slide way (41) in the right end wall of the injection tube (36), a second accommodating cavity (82) is limited in the left end wall of the injection tube (36), a rack (54) is arranged in the second accommodating cavity (82), a sliding block (42) is connected in the slide way (41) in a sliding manner, and a first compression spring (43) is fixedly connected between the lower end of the sliding block (42) and the bottom end of the slide way (, a first cord (38) passing through the first arrangement cavity (37) is connected between the lower end of the sliding block (42) and a first reel (35) of the power mechanism in a transmission manner, a guide wheel (39) guiding the first cord (38) is connected in the first arrangement cavity (37) in a rotating manner, a sealing sliding block (44) is fixedly connected to one side end face of the sliding block (42) close to the central line of the injection cylinder (36), a medicine discharge hole (45) is formed in the sealing sliding block (44), a sliding groove (46) is formed in the sealing sliding block (44) and positioned on the left side of the medicine discharge hole (45), a partition plate (47) blocking the medicine discharge hole (45) is connected in the sliding groove (46) in a sliding manner, a second compression spring (48) is fixedly connected between the partition plate (47) and the bottom end of the medicine discharge hole (45), and a third gear shaft (51) positioned in the second arrangement cavity (82) is connected to the left end face of the sealing sliding block (44) in a rotating manner, the third gear shaft (51) is sleeved with a third full-tooth gear (53) meshed with the rack (54), a second reel (52) is sleeved on the third gear shaft (51) behind the third full-tooth gear (53), and a second rope (49) is in transmission connection between the second reel (52) and the partition plate (47).

4. An ambulance cyanosis patient first aid mask according to claim 3, wherein: the transmission mechanism comprises a fourth gear shaft (24) rotatably arranged between the right end face of a motor box (12) of the power mechanism and the inner wall of the right side of the shell (10), a second bevel gear (23) meshed with a first bevel gear (22) of the power mechanism is sleeved on the fourth gear shaft (24), an eccentric block (28) is sleeved on the right side of the second bevel gear (23) on the fourth gear shaft (24), a U-shaped groove (25) is fixedly connected to the inner wall of the lower side of the shell (10), a sliding plate (26) matched with the eccentric block (28) is slidably connected in the U-shaped groove (25), a third compression spring (27) is fixedly connected between the sliding plate (26) and the bottom end of the U-shaped groove (25), a first adjusting valve (30) is arranged in the right end wall of the U-shaped groove (25), and a first vent pipe (29) penetrating through the right end wall of the shell (10) and extending to the external space is communicated with the first adjusting valve (, and a second regulating valve (32) is arranged in the lower end wall of the U-shaped groove (25), and the lower end of the second regulating valve (32) is communicated with a second vent pipe (31) extending to the supporting mechanism.

5. An ambulance cyanosis patient first aid mask according to claim 4, wherein: the supporting mechanism comprises a supporting plate (58) which is fixedly arranged on the lower end face of the shell (10), a third placing cavity (71) is limited in the supporting plate (58), a groove (78) is fixedly connected to the inner wall of the front side of the third placing cavity (71), a baffle (79) is connected in the groove (78) in a sliding mode, a fourth compression spring (80) is fixedly connected between the bottom ends of the groove (78), a rotating shaft (72) which penetrates through the rear end wall of the supporting plate (58) is rotatably connected to the baffle (79), a button (73) is fixedly connected to the rear end face of the rotating shaft (72), the rotating shaft (72) is located inside the third placing cavity (71) and is sleeved with a pawl (76), a third reel (77) is arranged in the rotating shaft (72) in front of the pawl (76), the inner wall of the rear side of the third placing cavity (71) is located above the rotating shaft (72) and is rotatably connected with a ratchet shaft (74), the ratchet shaft (74) is sleeved with a ratchet wheel (75) matched with the pawl (76), supporting components are arranged on the left side and the right side of the supporting plate (58) in the third placement cavity (71) respectively, and the two supporting components are distributed in a bilateral symmetry mode about the center line of the supporting plate (58).

6. An ambulance cyanosis patient first aid mask according to claim 5, wherein: the supporting component comprises a sliding rail (59) arranged in the supporting plate (58), a moving block (60) is connected to the sliding rail (59), one side end face, close to the third placement cavity (71), of the moving block (60) and a third reel (77) of the supporting mechanism are connected with a third cord (83) in a transmission mode, one side end face, close to the third placement cavity (71), of the moving block (60) and the bottom end of the sliding rail (59) are fixedly connected with a first stretching spring (61), the lower end face of the moving block (60) is fixedly connected with a telescopic cylinder (62), a telescopic rod (63) is connected to the telescopic cylinder (62) in a sliding mode, one side end face, close to the center line of the supporting plate (58), of the telescopic rod (63) is fixedly connected with a fixing block (64), an arc-shaped supporting plate (66) is rotatably connected to the fixing block (64), and a telescopic rod (66) capable of enabling the arc-shaped supporting plate (66) The torsion spring (65) of position, inject in arc backup pad (66) have with air cavity (67) that drive mechanism second breather pipe (31) are linked together, the interior terminal surface of arc backup pad (66) is equipped with two at least massage subassembly, and is a plurality of massage subassembly along the circumferencial direction equipartition of arc backup pad (66) on the interior terminal surface of arc backup pad (66), massage subassembly is including seting up in guide rail (68) of arc backup pad (66) interior terminal surface, sliding connection has lug (69) in guide rail (68), lug (69) with link firmly second extension spring (70) between the bottom of air cavity (67).