CN2239820Y

CN2239820Y - Multi-purpose portable pneumatic respirator

Info

Publication number: CN2239820Y
Application number: CN 95227191
Authority: CN
Inventors: 孟庆友
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-11-16
Filing date: 1995-11-16
Publication date: 1996-11-13
Anticipated expiration: 2005-11-16

Abstract

The utility model discloses a multi-purpose portable pneumatic respirator. Majority of control components are sealed in the outer shell of the multi-purpose portable respirator. The respirator and an organic glass bottle are installed on the outer part of the utility model, which is convenient for observation and use. The respirator can each control component are connected into integration by ventilating pipelines. In general, a high-pressure oxygen cylinder serves as an oxygen source. Oxygen are supplied to a patient by the ventilating pipelines. The utility model can realize the functions of open breath, closed breath, sucking phlegm, oxygen supplying from a mask, visual monitoring, etc. without a power supply. The utility model can move following patients with the advantages of small size, light weight, and automatic oxygen supply.

Description

The pneumatic respirator of portable multiple use

This utility model relates to a kind of respirator, the pneumatic respirator of particularly a kind of portable multiple use.

What present most of hospital used is 103 types, 104 types, 105 types, 106 types or 107 type circulating clamping closed type or respirators, or Japan product AC0MA anesthetic machine, their primary structure is to be made of main frame, support, sodica calx absorber, ether volatillizer, corrugated hose.Can realize the enclosed breathing, but can not realize open breathing, can not directly observe tidal volume and airway pressure, in the transport disease man-hour, can not realize Self-breathing, can only pinch the method for ball to patient's oxygen supply with hands, because patient is in moving, adopt hands to pinch the ball oxygen supply and be not easy good cooperation, transport patient and occur taking off the pipe phenomenon easily on the way.

What minority hospital used is the pneumatic level pressure type of bird board respirator produced in USA, primary structure has main frame, support, nebulizer, air tube etc., though it has certain advance, can not directly observe tidal volume in actual use and can not be used for open the breathing.

Also have Jiangxi KR-II type electric jet respirator, KR-III type electric jet respirator, go up marine products SC electric pulmotor, Jiujiang TVAV-I electric pulmotor etc., their primary structure is made up of main frame, breath controller, pipeline etc.This class respirator only could be worked under the situation that electricity is arranged, and does not have electricity not work, and in addition, volume is big, is not suitable for using with car when patient moves.

The purpose of this utility model to provide exactly a kind of not only can be when moving with patient easily Self-breathing, and can see tidal volume, realize openly breathing, enclosed is breathed, inhale the pneumatic respirator of portable multiple use of expectorant.

The technical solution of the utility model is achieved in that the pneumatic respirator of portable multiple use is by source of the gas, air relief valve, expansion box, the respirator switch, automatic interrupter, manostat, the cycle generator, guider, unidirectional flap valve, the frequency of respiration actuator, the inspiratory duration actuator, the tidal volume actuator, reversing switch, oxygen flow meter, two-way flap valve, respiratory organ, the airway pressure table, the decompression flap valve, automatically flap valve reduces pressure, the sputum aspirator switch, breather line, manual breathing bag, the operating pressure table, the pneumatic respirator shell of portable multiple use is formed, and respiratory organ is by bellows, breathing bag, base, breathing last positive airway pressure flap valve forms.Under normal conditions, adopt oxygen cylinder as source of the gas, air relief valve, reversing switch, oxygen flow meter, two-way flap valve, bellows, airway pressure table, breather line, manually breathing bag, operating pressure table, all be commercially available.Each ingredient connects into an integral body by breather line.The pneumatic respirator shell of portable multiple use is a rectangle, and other each parts are shielded.

The high pressure oxygen of source of the gas is delivered to through breather line and is gone back air relief valve, after decompression, enter oxygen flow meter and expansion box respectively, the operating pressure table, automatically flap valve reduces pressure, the sputum aspirator switch, enter the oxygen high velocity stream mistake of sputum aspirator switch, thereby formation negative pressure, be used to inhale expectorant, the oxygen that enters oxygen flow meter enters respiratory organ, expansion box is delivered to the respirator switch with oxygen, automatic interrupter, automatic interrupter is sent oxygen to manostat and inspiratory duration actuator respectively, the tidal volume actuator, oxygen enters the cycle generator from manostat again and returns automatic interrupter, oxygen send unidirectional flap valve and guider respectively through the inspiratory duration actuator, unidirectional flap valve is sent oxygen into guider and cycle generator respectively, and the frequency of respiration actuator delivered to oxygen again by guider.Oxygen enters reversing switch through the tidal volume actuator, if employing is opened breathing then reversing switch is placed on open respiratory work state, if adopting enclosed breathes, then oxygen enters two-way flap valve through reversing switch, enter respiratory organ again, in respirator interior, oxygen enters two-way flap valve again and enters decompression flap valve, airway pressure table through base, breathing bag, bellows, breathing end positive airway pressure flap valve, and give the patient with breather line, realize that enclosed breathes.In respiratory, the staff can know tidal volume easily by the scale on the bellows.Manually breathing bag places the top of the pneumatic respirator shell of portable multiple use, is communicated with an independent breather line, and when no source of the gas, the employing hands is handled knob and moved the breathing bag oxygen supply.

Expansion box is the container of a sealing, and two pores are arranged, as the air inlet and the usefulness of giving vent to anger.

The cylinder body of respirator switch has two pores, inside is three shoulder holes, columniform rubber seal piece embeds the head of cylinder jacking block, rubber gasket is installed on the cylinder jacking block, be processed with screwed hole in the middle of the gap between sealed cylinder block and the end cap, end cap, from then on bolt screws in and holds out against the cylinder jacking block, drive the rubber seal piece by the cylinder jacking block and compress minimum aperture in three shoulder holes, realize cutting off or being communicated with two passages.

The cylinder circumference of automatic interrupter is processed with three pores, and inner two ends are major thread holes, and the centre is a hole, and T type seal bar is passed from aperture, and the big end of T type seal bar is by spring compression shutoff aperture in cylinder, and bolt and cylinder screw, and hold out against spring.Rubber seal is installed between bolt and the cylinder and seals.The other end and the hollow cylinder of cylinder screw, the rubber seal of packing between cylinder and the hollow cylinder, gap between sealing cylinder and the hollow cylinder, inside one end of hollow cylinder is a unthreaded hole, the other end is a screwed hole, and the centre is an aperture, and the thin axle of thimble passes from middle aperture, spring is contained between the M type end of hollow cylinder and thimble, and the T type end of thimble is adjacent to the jacking block that is contained in the hollow cylinder unthreaded hole.Screwed hole side at hollow cylinder is processed with a pore, is used for getting rid of the gas pressure that thimble and hollow cylinder produce when mobile mutually, and thimble can easily be slided.End cap and hollow cylinder are screwed by screw thread, the rubber seal of packing into of the gap between end cap and the hollow cylinder, and end-cover axle communicates with the hollow cylinder internal thread hole to being processed with a unthreaded hole, and end cap radial direction is processed with two pores and communicates with the axial hole.

The cylinder body circumference of manostat is processed with two pores, in the middle of the screwed hole of cylinder interior two ends is an aperture, two pores are communicated with two screwed holes respectively, and the thin axle of T profile shaft passes the back from middle aperture fixedlys connected with catch, and spring compression is on catch, by bolt seal in cylinder body, the big end circumference of T profile shaft is processed with groove, and rubber seal is installed, and the big end of T profile shaft places in the thread bush, bolt screws in the middle of thread bush, regulates the position of T profile shaft.

The major thread of cycle generator overlaps an end and is processed into a pore, and the other end is processed with female thread, and minor thread overlaps an end and is processed into two pores, and the endoporus of the other end is a unthreaded hole, and circumference is processed with external screw thread, and the major thread cover screws the back with the minor thread cover and forms a cylinder body.The big end of multidiameter places in the minor thread cover, spring is installed between big end of multidiameter and the minor thread cover, the big end of multidiameter is processed with an endoporus, the rubber seal piece shutoff of packing into is in the pore of center, the small end of multidiameter is fixed together with a metal sealing gasket after the endoporus that passes rubber gasket, matrix block, rubber gasket behind the hollow sleeve is installed, two rubber gaskets and matrix block are contained in the major thread cover and are adjacent to together, and are adjacent to the end face of minor thread cover.The hollow sleeve of packing between rubber gasket and major thread cover is fixed two rubber gaskets and the position of matrix block in the major thread cover by hollow sleeve and minor thread cover.

The W type door end face of guider is processed with two pores, and two screwed holes that play interconnect function, and U type door end face is processed with a pore and plays the unthreaded hole of interconnect function, and the U type door of W type door links together with two bolting.Rubber gasket is placed between W type door and the U type door, sealing gap between the two.

The U type piece of unidirectional flap valve is processed with two pores, and rubber gasket is covered air inlet by on the spring compression air inlet therein, cuts off the contact of two pores, and bolt tightly is pressed in spring on the rubber gasket by being threaded in the U type piece.

Be processed with two pores on the cylinder body of frequency of respiration actuator, cylinder body and seal cover adopt screw thread to spin together, and rubber seal is contained between cylinder body and the seal cover, and bolt screws in by the screw of seal cover, the head of bolt is processed into taper shape, is used to cut off the contact between two pores.

The cylinder body of inspiratory duration actuator is processed with four pores, is processed into shoulder hole in the cylinder body, and largest hole is a screwed hole, screws with seal cover, makes to form a sealed hollow in the cylinder body, and the gap between cylinder body and the seal cover is sealed by rubber seal.Bolt screws in from the intermediary screwed hole of seal cover, and the head of bolt is processed into taper shape, controls the contact between each pore.

Be processed with two pores on the cylinder body of tidal volume actuator, inside is three shoulder holes, two pores communicate with minimum aperture and interstitial hole in the shoulder hole respectively, the break-make of two pores is by the cylinder jacking block control that places interstitial hole, head processing at the cylinder jacking block is porose, embed the rubber seal piece, the shutoff aperture, the other end of cylinder jacking block cooperates with rubber gasket, rubber gasket places in the largest hole of shoulder hole, cylinder body and end cap screw the back by jam-packed in largest hole, the gap between sealed cylinder block and the end cap.Bolt screws in from the intermediary screwed hole of end cap, withstands on the end face of cylinder jacking block, the position of control cylinder jacking block.Circular block on the rubber seal piece, when the rubber seal piece is removed the minimum aperture aperture of shoulder hole, is controlled the flow of oxygen by spring compression in the minimum aperture of shoulder hole.

Reversing switch is used to control the direction of flow of oxygen, thereby control is to adopt open breathing or adopt enclosed to breathe.

Respiratory organ is made up of bellows, breathing bag, base, breathing end positive airway pressure flap valve.Bellows are that a surface indicates graduated transparent casing, and when the pneumatic respirator of portable multiple use was worked, the staff can directly read tidal volume.Breathing bag top is truncated cone shape, and the lower part is a cylindrical shape, and can compress vertically.Base comprises pallet and disk two parts, and the first half great circle circumference of pallet is processed with the V-type groove, fixing breathing bag, and the thin axle of the latter half is processed with external screw thread and cooperates with the intermediary screwed hole of disk, and the pallet axial centre is processed with a through hole and uses as passage.Disk is processed with four pores in addition and radially communicates with the screwed hole at center except that the screwed hole at center, a pore communicates with bellows, and the circumferential step of disk is processed with female thread and is used to install bellows.Breathing last positive airway pressure flap valve is installed in the pore that communicates with screwed hole of centre on the disk, cylinder body and the bolt of breathing last positive airway pressure flap valve screw, cylinder body is processed with two pores, rubber seal is contained in the plug head and stops up pore, be placed in the hole of bolt head after the thin axle head mounting spring of plug, the circumference of bolt head is processed with two grooves, embeds two rubber seal seal clearances.

The decompression flap valve is two identical in structure devices with the flap valve that reduces pressure automatically, is the operating pressure difference, all works to keep the constant pressure of oxygen, and the decompression flap valve surpasses the 40CMH20 automatic deflation, and the flap valve that reduces pressure automatically is above the 0.4MPa automatic deflation.The cylinder body of decompression flap valve is processed with two pores, the other end is processed with external screw thread, make after door and cylinder body screw and form a sealed hollow in the cylinder body, plug and rubber seal, spring are installed in wherein, rubber seal is installed in the head shutoff pore of plug, spring housing is contained on the thin axle of plug, and the thin axle of plug passes from the hole at door center, and can be free to slide.

The cylinder body of sputum aspirator switch is processed with two pores, and the vertical direction of the pore of wherein giving vent to anger is processed a pore in addition and is connected in the lucite bottle by breather line, exports a breather line in the lucite bottle in addition and is used to inhale expectorant.Cylinder interior is an aperture and a major thread hole, and the pore of air inlet is communicated with aperture, and the pore of giving vent to anger is communicated with the major thread hole, and bolt screws in screwed hole, and the bolt head blind hole is embedded in rubber seal piece shutoff aperture, the break-make of two pores of control.

The utlity model has following advantage: volume is little, in light weight, can realize that enclosed is breathed can realize open the breathing again, can no matter the adult all is suitable for the baby, have the expectorant of suction function in addition directly from bellows scale monitoring tidal volume.

Below in conjunction with accompanying drawing this utility model is described in further detail.

Fig. 1 is this utility model overall structure schematic appearance.

Fig. 2 is this utility model syndeton sketch map.

Fig. 3 is this utility model expansion box structural representation.

Fig. 4 is this utility model respirator construction of switch sketch map.

Fig. 5 is this utility model automatic interrupter structural representation.

Fig. 6 is this utility model stabilizator structure sketch map.

Fig. 7 is this utility model cycle generator architecture sketch map.

Fig. 8 is this utility model guide structure sketch map.

Fig. 9 is the unidirectional flap valve structural representation of this utility model.

Figure 10 is this utility model frequency of respiration controller structure sketch map.

Figure 11 is this utility model inspiratory duration controller structure sketch map.

Figure 12 is this utility model tidal volume controller structure sketch map.

Figure 13 is this utility model breathing bag structural representation.

Figure 14 is this utility model base tray structural representation.

Figure 15 is this utility model base disc structure sketch map.

Figure 16 is that this utility model is breathed last positive airway pressure flap valve structural representation.

Figure 17 is this utility model decompression flap valve structural representation.

Figure 18 is this utility model sputum aspirator construction of switch sketch map.

With reference to Fig. 1.The pneumatic respirator of portable multiple use removes bellows (23), breathing bag (24), base (25), the breathing last positive airway pressure flap valve (26) of forming respiratory organ (16), and breather line, lucite bottle (145) are in addition, other parts all place in the pneumatic respirator shell of portable multiple use (150), and the pneumatic respirator shell of portable multiple use (150) is a rectangle housing.There are respirator switch (4), frequency of respiration actuator (10), inspiratory duration actuator (11), tidal volume actuator (12), reversing switch (13), oxygen flow meter (14), sputum aspirator switch (21), operating pressure table (148), a manual breathing bag (149) in branch the pneumatic respirator shell of portable multiple use (150) surface.When adopting enclosed to breathe, use the breather line (153) that is connected with base (25).Breather line (154) is connected with manual breathing bag (149), breather line (155) is connected with source of the gas (1), normally be connected with oxygen cylinder, breather line (156) is to use for patient's oxygen supply when open the breathing, breather line (22) is connected with lucite bottle (145), and another root breather line (157) that is connected with lucite bottle (145) is used to inhale expectorant.

With reference to Fig. 2.The oxygen that the source of the gas of the pneumatic respirator of portable multiple use (1) is sent is introduced into air relief valve (2) and reduces pressure, deliver to oxygen flow meter (14) respectively by breather line then, expansion box (3), automatically flap valve (20) and sputum aspirator switch (21) reduce pressure, the oxygen that enters oxygen flow meter (14) flows to respiratory organ (16), the oxygen that enters expansion box (3) is introduced into respirator switch (4), enter automatic interrupter (5) again, send tidal volume actuator (12) and manostat (6) respectively to by automatic interrupter (5), inspiratory duration actuator (11), tidal volume actuator (12) is sent oxygen to reversing switch (13), if what used this moment is open breathing pattern, then reversing switch (13) is placed on open position of breathing, give patient (19) delivering oxygen by breather line (156), if what adopted this moment is that enclosed is breathed, then reversing switch (13) is placed on the enclosed position of breathing, oxygen flows to two-way flap valve (15) through reversing switch (13), enters respiratory organ (16) again.Manostat (6) is delivered to cycle generator (7) with oxygen, inspiratory duration actuator (11) is sent oxygen to unidirectional flap valve (9) and guider (8) respectively, unidirectional flap valve (9) is delivered to oxygen guider (8) and cycle generator (7) respectively, cycle generator (7) is sent oxygen back to automatic interrupter (5), guider (8) is given frequency of respiration actuator (10) with oxygen, and frequency of respiration actuator (10) enters atmosphere with oxygen.The oxygen that enters respiratory organ (16) enters decompression flap valve (18) decompression and airway pressure table (17) and patient (19) respectively, realizes the enclosed breathing.Manually breathing bag (149) is installed in the top of the pneumatic respirator shell of portable multiple use (150), is connected with an independent breather line (154), adopts hands to handle knob moving breathing bag (149) to patient's oxygen supply when no source of the gas (1).

The source of the gas of the pneumatic respirator of portable multiple use (1) adopts the oxygen cylinder air feed, and related air relief valve (2), reversing switch (13), oxygen flow meter (14), two-way flap valve (15), bellows (23), airway pressure table (17), breather line, operating pressure table (148), manual breathing bag (149) can be bought from the market.

With reference to Fig. 3.The oxygen that enters expansion box (3) from air relief valve (2) through breather line is entered by pore (112), and pore (113) is sent.

With reference to Fig. 4.The oxygen of delivering to respirator switch (4) from the pore (113) of expansion box (3) through breather line enters from pore (115), when respirator switch (4) when closing, the interior aperture of cylinder body (114) of respirator switch (4) is by columniform rubber seal piece (121) shutoff, and oxygen can not pass through respirator switch (4).To screw after the bolt (119) at end cap (117) center is outwarded winding, oxygen promotes columniform rubber seal piece (121) and cylinder jacking block (120) moves backward, forms path between pore (115) and the pore (116), and oxygen flows out from pore (116).Columniform rubber seal piece (121) is inlaid in the circular hole of cylinder jacking block (120) head, and rubber gasket (118) is contained in cylinder jacking block (120) afterbody, and the gap between sealed cylinder block and the end cap (117) prevents that oxygen leakage from going out.

With reference to Fig. 5.Send into automatic interrupter (5) from the oxygen that respirator switch (4) is sent through breather line, oxygen enters cylinder (28) from the pore (29) of automatic interrupter (5), T type seal bar (41) is if the intermediary aperture of shutoff cylinder (28) then enters manostat (6) from the oxygen that pore (29) enters from pore (42).Bolt (27) screws with cylinder (28), spring (43) is held out against on the big end of T type seal bar (41), and regulating spring (43) is to T type seal bar pressure.Rubber seal (152) is installed between bolt (27) and the cylinder (28), seal clearance, prevent that the oxygen leakage hollow cylinder (34) and the other end of cylinder (28) from screwing, gap between rubber seal (31) sealing hollow cylinder (34) and the cylinder (28), the other end of hollow cylinder (34) and end cap (37) screw, gap between hollow cylinder (34) and the end cap (37) is sealed by rubber seal (35), the oxygen that enters from the pore (36) of end cap (37) is the oxygen that returns from cycle generator (7), when the oxygen pressure that enters from pore (36) is not enough, can not promote the thimble (39) in the hollow cylinder (34), oxygen enters inspiratory duration actuator (11) from pore (38).When the oxygen pressure that enters from pore (36) is enough big, oxygen promotes thimble (39) compression spring (40) and moves forward, gas between the jacking block (32) of the other end of thimble (39) and hollow cylinder (34) enters atmosphere from pore (33), be convenient to moving of thimble (39), jacking block (32) moves forward with moving of thimble (39), T type seal bar (41) in the promotion cylinder (28) is compressed spring (43) and is moved, intermediary aperture is no longer by shutoff in the cylinder (28), an oxygen part that enters from pore (29) enters the other end of cylinder (28) by cylinder (28) centre aperture, enters tidal volume actuator (12) from pore (30).When the oxygen pressure that enters pore (36) from cycle generator (7) is not enough, thimble (39), jacking block (32) and T type seal bar (41) homing.

With reference to Fig. 6.The two ends, inside of the cylinder body (126) of manostat (6) are the major thread holes, the centre is an aperture, pore (125) and pore (130) are communicated with the major thread hole at cylinder body (126) two ends respectively, thread bush (123) and bolt (129) screw in respectively in the major thread hole at cylinder body (126) two ends, make sealed hollow of the interior shape face of cylinder body (126).The oxygen of bringing from automatic interrupter (5) enters in the cylinder body (126) from pore (130), and when spring (128) was pressed on catch (127) in the cylinder body (126), pore (130) was obstructed with pore (125), and oxygen can't flow through manostat (6).When turn screws bolt (122) at thread bush (123) center, when bolt (122) promotion T profile shaft (131) compression spring (128) is mobile, intermediary aperture is no longer by shutoff in the cylinder body (126), oxygen enters cylinder body (126) from pore (130), intermediary aperture in cylinder body (126) enters cycle generator (7) from pore (125) outflow.The big end of T profile shaft (131) is equipped with rubber seal (124), prevents that oxygen from spilling between thread bush (123) and bolt (122).Catch (127) is fixedly mounted on the thin shaft end of T profile shaft (131).

With reference to Fig. 7.The oxygen of sending from manostat (6) enters in the minor thread cover (51) of cycle generator (7) from the pore (53) of cycle generator (7), the oxygen of sending from unidirectional flap valve enters in the major thread cover (45) of cycle generator (7) from pore (44), major thread cover (45) is processed with female thread, minor thread cover (51) is processed with external screw thread, minor thread cover (51) spins together with major thread cover (45), the big end of multidiameter (50) places in the minor thread cover (51), the big end of multidiameter (50) is processed with a blind hole, rubber seal piece (55) the shutoff pore (53) of packing into, the spring (54) of packing between big end of multidiameter (50) and the minor thread cover (51), the small end of multidiameter (50) is installed hollow sleeve (151) back from rubber gasket (49), matrix block (48), the centre bore of rubber gasket (47) passes, be fixed together with sealing gasket (46) then, rubber gasket (47) and matrix block (48), rubber gasket (49) is installed in the major thread cover (45), the hollow sleeve 146 of packing between rubber gasket (47) and the major thread cover (45)), minor thread cover (51) and hollow sleeve (146) be fixedly rubber gasket (47) and the position of matrix block (48) in major thread cover (45) together, rubber gasket (49), rubber gasket (47) and matrix block (48) are adjacent to together.When the oxygen pressure that enters from pore (53) can not surpass when unidirectional flap valve (9) enters the oxygen pressure of pore (44), the oxygen promotion sealing gasket (46) and the multidiameter (50) that enter from pore (44) push rubber gasket (47) in the groove of matrix block (48), sealing gasket (46) and multidiameter (50) move in minor thread cover (51), pore (53) is by shutoff, and pore (53) and pore (52) can not be communicated with.When the oxygen pressure that enters from pore (53) greater than when unidirectional flap valve (9) enters the oxygen pressure of pore (44), from the oxygen that pore (53) enters the multidiameter (50) and the rubber seal piece (55) of shutoff pore (53) are pushed open, oxygen passes through the inner chamber of minor thread cover (51) and enters pore (52), by pore (52) oxygen is back to automatic interrupter (5).

With reference to Fig. 8.The W type door (59) of guider (8) and U type door (61) are linked together by bolt (58) and bolt (63), sending the oxygen that comes to from inspiratory duration actuator (11) enters in the U type door (61) from the pore (62) on the U type door (61), the oxygen of bringing from unidirectional flap valve (9) enters in the W type door from the pore (57) of W type door (59), the oxygen pressure that enters from pore (62) is during greater than the oxygen pressure that enters from pore (57), place the rubber gasket (60) between W type door (59) and the U type door (61) to be pressed against W type door (59) one sides, shutoff pore (56) cuts off the contact between pore (56) and the pore (57).When the oxygen pressure that enters from pore (62) during less than the oxygen pressure that enters from pore (57), rubber gasket (60) is pressed against U type door (61) one sides, the oxygen that enters guider (8) pore (57) from unidirectional flap valve (9) is delivered to frequency of respiration actuator (10) from pore (56), and rubber gasket (60) also plays the effect in gap between sealing W type door (59) and the U type door (61) simultaneously.

With reference to Fig. 9.The oxygen of bringing from inspiratory duration actuator (11) enters from the pore (68) of unidirectional flap valve (9), pore (68) is by rubber gasket (69) shutoff, the compacted strength of rubber gasket (69) depends on the elastic force size of spring (66), bolt (65) screws in U type piece (64) holddown spring (66), and elastic force size that can regulating spring (66).When the oxygen pressure that enters from pore (68) can not jack-up rubber gasket (69), oxygen can not pass through unidirectional flap valve (9).When the oxygen pressure that enters when pore (68) was enough big, rubber gasket (69) was open, and oxygen enters in the U type piece (64), sends guider (8) and cycle generator (7) from pore (67) respectively to by breather line (22).

With reference to Figure 10.The oxygen of bringing from guider (8) enters in the cylinder body (71) of frequency of respiration actuator (10) from pore (70), minimum aperture in pore (70) and the cylinder body (71) is communicated with, seal cover (74) adopts the mode and the cylinder body (71) that are threaded to link together, between rubber seal (73) sealed cylinder block (71) and the seal cover (74) and gap, prevent oxygen leakage, bolt (75) screws in from the screwed hole of centre of seal cover (74), the head of bolt (75) is processed into taper shape, be used for the aperture in the shutoff cylinder body (71), cut off the contact between pore (70) and the pore (72), only during the aperture in bolt (75) not shutoff cylinder body (71), oxygen could enter cylinder body (71) inside from pore, enters atmosphere by pore (72) then.

With reference to Figure 11.The oxygen of bringing from automatic interrupter (5) enters in the cylinder body (76) of inspiratory duration actuator (11) from pore (77), in the cylinder body (76) three shoulder holes, pore (77) and pore (84), pore (79) is communicated with the minimum aperture of shoulder hole, seal cover (81) adopts thread connecting mode to link together with cylinder body (76), gap between rubber seal (83) sealed cylinder block (76) and the seal cover (81), prevent that oxygen from spilling, bolt (82) screws in from the screwed hole at seal cover (81) center, bolt (82) head is conical, be used for regulating the amount of oxygen that enters pore (80), thereby control enters the amount of oxygen of unidirectional flap valve (9).The top of pore (79) is a major thread hole, and screwing in head is conical bolt (78), and to realize the purpose of sealed porosity (79), pore (79) plays regulates the oxygen pressure effect, and oxygen enters atmosphere through air passing hole (79).

With reference to 12.The oxygen of bringing from automatic interrupter (5) is entered in the cylinder body (85) by the pore (86) of tidal volume actuator (12), be three shoulder holes in the cylinder body (85) of tidal volume actuator (12), minimum aperture in three shoulder holes connects pore (86), interstitial hole connects pore (87), pack in the minimum aperture spring (94) and circular cone (93).The cylinder jacking block (91) of packing in the interstitial hole in three shoulder holes, head at cylinder jacking block (91) embeds rubber seal piece (92), the minimum aperture that is used for three shoulder holes of shutoff, afterbody is equipped with rubber gasket (89), rubber gasket (89) places in the largest hole of three ladders, gap between sealed cylinder block (85) and the end cap (88), cylinder body (85) and end cap (88) adopt the mode that is threaded to link together, bolt (90) screws in from the screwed hole at end cap (88) center, regulate the position of cylinder jacking block (91), whether the minimum aperture of three shoulder holes of control is by shutoff, in the minimum aperture of three shoulder holes during by shutoff, oxygen can not pass through tidal volume actuator (12), in the minimum aperture of three shoulder holes during not by shutoff, oxygen enters after the interstitial hole of three shoulder hole minimum aperture and three shoulder holes is sent from pore (87) from pore (86), how much oxygen that the minimum aperture of three shoulder holes enters the interstitial hole of three shoulder holes depends on how many circular cones withdraws from minimum aperture, when withdrawing from for a long time, minimum aperture is lacked by shutoff, it is many that Oxygen Flow is crossed, when withdrawing from after a little while, minimum aperture is many by shutoff, what Oxygen Flow was crossed lacks, and the effect that circular cone (93) plays is exactly to make the aperture of minimum aperture by opening gradually.Deliver to reversing switch (13) from the effusive oxygen of pore (87) through breather line (22).

With reference to Figure 13, Figure 14, Figure 15.Respiratory organ (16) is made up of bellows (23), breathing bag (24), base (25), the last positive airway pressure flap valve of breathing (26), and base (25) is made up of pallet (95) and disk (96).Pallet (95) adopts thread connecting mode to screw in the screwed hole at disk (96) center, the circumference of the first half great circle of pallet (95) is processed with the V-type groove, be used for fixing breathing bag (24), the circumferential step of disk (96) is processed with female thread, be used to install bellows (23), breathe in the pore (103) that last positive airway pressure flap valve is installed in disk (96).

The oxygen of bringing from oxygen flow meter (14) enters disk (96) from pore (100), pore (100) is communicated with the screwed hole (97) of disk (96), screwed hole (97) is connected with pallet (95), the great circle of pallet (95) is installed with breathing bag (24), the breather line that is connected with pore (100) passes from pore (101) through screwed hole (97), the breather line that is connected with pore (101) meets patient (19), thicker with the breather line that pore (101) is connected, the breather line that is connected with pore (100) passes in the breather line that connects pore (101), oxygen is sent into patient's trachea from pore (100) by breather line, the waste gas that the patient breathes out enters breathing bag (24) by the gap between the breather line of breather line that is sleeved on connection pore (100) together and connection pore (101), realizes the enclosed breathing.Breathing bag (24) is that a top is truncated cone, the bottom is the columniform utricule that can compress vertically, waste gas enter breathing bag a certain amount of after, send waste gas to pore (102) by breathing bag (24), enter bellows (23) then and enter two-way flap valve (15) from the pore (98) that communicates with bellows (23).The pore (99) of disk (96) connects decompression flap valve (18) and airway pressure table (17), by the pressure of decompression flap valve (18) and airway pressure table (17) control and demonstration oxygen.Bellows (23) are that a surface indicates graduated transparent vessel, and the staff can directly know the size of tidal volume from bellows surface target scale.

The pore (103) of disk (96) is packed into and is breathed last positive airway pressure flap valve (26), the pore (104) of breathing last positive airway pressure flap valve (26) communicates with the screwed hole (97) of disk (96), the pore (106) of breathing last positive airway pressure flap valve (26) communicates with the pore (102) of disk (96), breathing in the cylinder body (105) of last positive airway pressure flap valve (26) is two stepped holes, aperture is a unthreaded hole, be communicated with pore (104) and pore (106), macropore is a screwed hole, cooperate with bolt (109), bolt (109) head is processed with blind hole, and plug (110) is installed.After bolt (109) screws in, clamping sleeve is loaded on the spring (147) on the thin axle of plug (110), under the effect of spring (147) elastic force, plug (110) and the rubber seal (111) that is loaded on plug (110) head move forward, pore (104) is sealed, when the oxygen pressure that enters from pore (104) during greater than the elastic force of spring (147), rubber seal (111) is pushed open by oxygen, sealed porosity (104) no longer, the oxygen that is pressed into from breathing bag (24) enters bellows through pore (106) again in pore (104) enters cylinder body (105).

With reference to Figure 17.The oxygen of bringing from base (25) is entered the cylinder body (133) of decompression flap valve (18) by pore (132), the endoporus of cylinder body (133) plug (137) of packing into, the head of plug (137) is equipped with rubber seal (138), thin axle sleeve shock mount (136), screw by door (135) and cylinder body (133), spring (136) is compressed, thereby making plug (137) drive rubber seal (138) seals pore (132), at the oxygen pressure that enters pore (132) during less than the elastic force of spring (136), oxygen can not enter in the cylinder body (133) from pore (132), at the oxygen pressure that enters pore (132) during greater than the elastic force of spring (136), oxygen overcomes the elastic force of spring (136) pushes rubber seal (138) open, oxygen enters cylinder body (133) endoporus from pore (132), oxygen enters atmosphere through pore (134) again, makes the oxygen pressure in the respiratory organ (16) remain constant.If door (135) is screwed out or screws in, the elastic force that spring (136) is applied plug (137) weakens or strengthens, thus the numerical value of the oxygen pressure that adjusting decompression flap valve (18) is kept.

Automatically the structure of decompression flap valve (20) and decompression flap valve (18) is identical, is the operating pressure difference, and this needs regulating spring (136) elastic force to reach.

With reference to Figure 18.The oxygen of bringing from air relief valve (2) is in pore (140) enters the cylinder body (139) of sputum aspirator switch (21), in the cylinder body (139) two stepped holes, aperture is communicated with pore (140), macropore is a screwed hole, screwed hole is connected logical with pore (143) with pore (144), screwed hole screws in bolt (142), the head of bolt (142) is embedded with rubber seal piece (141), screw in the minimum aperture of two stepped holes of back sealing at bolt (142), promptly seal pore (140), make oxygen can not pass through sputum aspirator switch (21).After bolt (142) is outwarded winding, oxygen enters cylinder body (139) from pore (140), enter pore (143) through cylinder body (139) internal thread hole again, because oxygen has certain pressure, so have the fair speed of ratio when entering atmosphere from pore (143), be connected by the lucite bottle (145) of breather line (22) with the pore (144) that pore (143) is communicated with sealing, lucite bottle (145) also is connected to a breather line (157) that is used to inhale expectorant, oxygen with than higher speed when the pore (143), pressure in the pore (143) will be more much lower than atmospheric pressure, thereby make the gas in the lucite bottle (145) enter pore (144) through breather line (22), enter pore (143) again and arrange into atmosphere with the oxygen that flows through pore (143), gas in the lucite bottle (145) is taken away, compare with atmospheric pressure, will in lucite bottle (145), form low pressure, at this moment, can utilize another root breather line (157) in the patient body, to inhale expectorant.

Claims

1, the pneumatic respirator of a kind of portable multiple use, by source of the gas (1), air relief valve (2), expansion box (3), respirator switch (4), automatic interrupter (5), manostat (6), cycle generator (7), guider (8), unidirectional flap valve (9), frequency of respiration actuator (10), inspiratory duration actuator (11), tidal volume actuator (12), reversing switch (13), oxygen flow meter (14), two-way flap valve (15), respiratory organ (16), airway pressure table (17), decompression flap valve (18), automatically flap valve (20) reduces pressure, sputum aspirator switch (21), breather line, operating pressure table (148), manual breathing bag (149), the pneumatic respirator shell of portable multiple use (150) is formed, respiratory organ (16) is by bellows (23), breathing bag (24), base (25), breathing last positive airway pressure flap valve (26) forms, it is characterized in that: the pneumatic respirator various piece of portable multiple use connects into an integral body by breather line, source of the gas (1) is connected with air relief valve (2), the same oxygen flow meter of air relief valve (2) (14), expansion box (3), operating pressure table (148), automatically flap valve (20) reduces pressure, sputum aspirator switch (21) connects, oxygen flow meter (14) is connected with respiratory organ (16), sputum aspirator switch (21) connects the lucite bottle (145) that is used to inhale expectorant, expansion box (3) connects respirator switch (4), respirator switch (4) connects automatic interrupter (5), automatic interrupter (5) connects manostat (6) respectively, cycle generator (7), inspiratory duration actuator (11) and tidal volume actuator (12), manostat (6) connects cycle generator (7), inspiratory duration actuator (11) order is to flap valve (9) and guider (8), unidirectional flap valve (9) connects guider (8) and cycle generator (7) respectively, guider connects frequency of respiration actuator (10), tidal volume actuator (12) connects reversing switch (13), reversing switch (13) connects respectively and is used for open breather line (156) and the two-way flap valve of breathing (15), two-way flap valve (15) connects respiratory organ (16), respiratory organ (16) connects decompression flap valve (18) respectively, airway pressure table (17) and the breather line (153) that is used for the enclosed breathing, manually breathing bag (149) is placed on the top of the shell (150) of the pneumatic respirator of portable multiple use, communicate with an independent breather line (154), in the pneumatic respirator shell of portable multiple use (150) is included in other various piece.

2, the pneumatic respirator of portable multiple use according to claim 1, it is characterized in that: cylinder (28) circumference of the automatic interrupter of the pneumatic respirator of portable multiple use (5) is processed with pore (29), pore (30), pore (42), inner two ends are the major thread hole, the centre is an aperture, T type seal bar (41) is passed from aperture, the big end of T type seal bar (41) is in the screwed hole that pore (29) and pore (42) are arranged, T type seal bar (41) is pressed in the cylinder (28) by spring (43), bolt (27) screws with cylinder (28), hold out against spring (43), rubber seal (152) places between bolt (27) and the cylinder (28), the other end of cylinder (28) and hollow cylinder (34) screw, the rubber seal (31) of packing between cylinder (28) and the hollow cylinder (34), the macropore of the end that hollow cylinder (34) is inner is a unthreaded hole, the macropore of the other end is a screwed hole, the centre is an aperture, the thin axle of thimble (39) passes from middle aperture, spring (40) is contained between the M type end of hollow cylinder (34) and thimble (39), the T type end of thimble (39) is adjacent to the jacking block (32) that is contained in hollow cylinder (34) unthreaded hole, screwed hole side at hollow cylinder (34) is processed with pore (33), end cap (37) is screwed by screw thread with hollow cylinder (34), gap between end cap (37) and the hollow cylinder (34) rubber seal (35) of packing into, end cap (37) axially is processed with a unthreaded hole and communicates with hollow cylinder (34) internal thread hole, and end cap (37) radially is processed with pore (36) and pore (38) communicates with the axial hole.

3, the pneumatic respirator of portable multiple use according to claim 1, it is characterized in that: major thread cover (45) one ends of generator of pneumatic respirator cycle of portable multiple use (7) are processed into pore (44), the other end is processed with female thread, screw with minor thread cover (51), minor thread cover (51) end face is processed with pore (52) and pore (53), the big end of multidiameter (50) is contained in the minor thread cover (51), multidiameter (50) spring (54) of packing between end face and the minor thread cover (51) greatly, the big end processing of multidiameter (50) is porose, the rubber seal piece (55) of packing into, the small end of multidiameter (50) passes rubber gasket (49) after hollow sleeve (151) is installed, matrix block (48), adopt interference fit to be fixed together with sealing gasket (46) behind the endoporus of rubber gasket (47), rubber gasket (47) and matrix block (48), rubber gasket (49) is contained in the major thread cover (45), be adjacent to minor thread cover (51) end of thread, the hollow sleeve (146) of packing between rubber gasket (47) and the major thread cover (45), rubber gasket (47), matrix block (48) and rubber gasket (49) are by minor thread cover (51) and hollow sleeve (146) jam-packed together.

4, the pneumatic respirator of portable multiple use according to claim 1, it is characterized in that: W type door (59) end face of the pneumatic respirator guider of portable multiple use (8) is processed with two screwed holes of pore (56) and a pore (57) and an interconnect function, U type door (61) end face is processed with pore (62) and two unthreaded holes that are connected usefulness, W type door (59) and U type door (61) are fixed together with bolt (58) and bolt (63), and the rubber gasket that seals (60) is installed between W type door (59) and the U type door (61).

5, the pneumatic respirator of portable multiple use according to claim 1, it is characterized in that: the U type piece (64) of the unidirectional flap valve of the pneumatic respirator of portable multiple use (9) is processed with pore (67) and pore (68), rubber gasket (69) relies on the elastic force of spring (66) to cover pore (68), and bolt (65) is pressed on spring (66) on the rubber gasket (69) by being threaded in the U type piece.

6, the pneumatic respirator of portable multiple use according to claim 1, it is characterized in that: be processed with pore (70) and pore (72) on the cylinder body (71) of the pneumatic respirator frequency of respiration of portable multiple use actuator (10), cylinder body (71) adopts the mode that is threaded to spin together with seal cover (74), rubber seal (73) is contained between cylinder body (71) and the seal cover (74), bolt (75) screws in by the screwed hole of seal cover (74), and the head of bolt (75) is processed into taper shape.

7, the pneumatic respirator of portable multiple use according to claim 1, it is characterized in that: the cylinder body (76) of the pneumatic respirator inspiratory duration of portable multiple use actuator (11) is processed with pore (77), pore (79), pore (80) and pore (84), cylinder body is processed into shoulder hole in (76), wherein minimum aperture and pore (77), pore (79), pore (84) is communicated with, intermediary unthreaded hole is communicated with pore (80), largest hole is a screwed hole, cooperate with seal cover (81), rubber seal (83) is contained between cylinder body (76) and the seal cover (81), the axial screwed hole of seal cover (81) cooperates with bolt (82), the head of bolt (82) is processed into taper shape, pore (79) locates to be processed with screwed hole, and head is the break-make that conical bolt (78) screws in control pore (79) thus.

8, the pneumatic respirator of portable multiple use according to claim 1, it is characterized in that: be processed with pore (86) and pore (87) on the cylinder body (85) of the pneumatic respirator tidal volume of portable multiple use actuator (12), inside is three shoulder holes, minimum aperture is communicated with pore (86), spring (94) is contained in and withstands circular cone (93) in the minimum aperture, the bottom surface of circular cone (93) and rubber seal piece (92) are fitted, rubber seal piece (92) embeds cylinder jacking block (91) head, cylinder jacking block (91) is contained in the interstitial hole of shoulder hole, pore (87) communicates with interstitial hole, cylinder jacking block (91) other end cooperates with the centre bore of rubber gasket (89), rubber gasket (89) is loaded in the largest hole of shoulder hole, cylinder body (85) screws with end cap (88), and bolt (90) screws in from the screwed hole of end cap (88).

9, the pneumatic respirator of portable multiple use according to claim 1 is characterized in that: the pneumatic respirator breathing bag of portable multiple use (24) top is truncated cone shape, and the lower cylindrical shape can be compressed vertically.

10, the pneumatic respirator of portable multiple use according to claim 1, it is characterized in that: the pneumatic respirator base of portable multiple use (25) comprises pallet (95) and disk (96) two parts, the first half great circle circumference of pallet (95) is processed with the V-type groove, the thin axle of the latter half is processed with screw thread and cooperates with the screwed hole (97) of disk (96), pallet (95) axle center is processed with a passage, disk (96) center is processed with screwed hole (97) vertically, pore (99), pore (100), pore (101) and pore (103) radially communicate with screwed hole (97), pore (102) is processed vertically with pore (103) and is communicated, pore (98) is respectively from disk (96) end face and circumference processing, intersect at last for the right angle and become through hole, the step of disk (96) circumference has female thread, be used for being connected with bellows (23), pore (103) is installed and is breathed last positive airway pressure flap valve (26).

11, the pneumatic respirator of portable multiple use according to claim 1, it is characterized in that: the cylinder body (105) that the pneumatic respirator of portable multiple use is breathed last positive airway pressure flap valve (26) screws with bolt (109), be processed with pore (104) and pore (106) on the cylinder body (105), rubber seal (111) is contained in plug (110) head and stops up pore (104), pack into after plug (110) other end mounting spring (147) in the circular hole of bolt (109) head, rubber seal (107) rubber seal (108) is embedded in the groove of bolt (109) head circumference.