CN112336601A - Pressure adjustable atmospheric pressure therapeutic instrument - Google Patents
Pressure adjustable atmospheric pressure therapeutic instrument Download PDFInfo
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- CN112336601A CN112336601A CN202011309395.5A CN202011309395A CN112336601A CN 112336601 A CN112336601 A CN 112336601A CN 202011309395 A CN202011309395 A CN 202011309395A CN 112336601 A CN112336601 A CN 112336601A
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- annular
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H9/00—Pneumatic or hydraulic massage
- A61H9/005—Pneumatic massage
- A61H9/0078—Pneumatic massage with intermittent or alternately inflated bladders or cuffs
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/16—Physical interface with patient
- A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
- A61H2201/164—Feet or leg, e.g. pedal
- A61H2201/1642—Holding means therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2205/00—Devices for specific parts of the body
- A61H2205/10—Leg
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- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Massaging Devices (AREA)
Abstract
The invention relates to a pressure-adjustable air pressure therapeutic apparatus, which solves the problems that the crus are numb due to long-time compression of the crus and are injured due to long-time non-backflow of blood in the use process of the prior art; the technical scheme includes that the massage device comprises a ring-shaped air bag, the air pressure of the ring-shaped air bag is adjustable, a massage column is arranged in the ring-shaped air bag, a sleeve is arranged on the outer side of the ring-shaped air bag, a female cavity is formed by the sleeve and the ring-shaped air bag at intervals, and an annular baffle is arranged in the female cavity; an annular barrel is arranged outside the sleeve, an outer cavity is formed between the annular barrel and the sleeve, a piston is arranged in the outer cavity, a fixing device is arranged between the piston and the annular barrel, an air outlet pipeline is arranged on the left side of the piston, a pressure relief opening is formed in the sleeve, a pressure relief hole is formed in the outer side wall of the annular barrel, a one-way valve is arranged on the piston, a two-way valve is arranged on the left side wall of the sleeve, a pneumatic pump is arranged on the two-way valve, the outer cavity is connected with the next two-way valve through a hose, and the outer cavity at; the invention has novel conception, smart structure and strong practicability.
Description
Technical Field
The invention relates to the field of pneumatic therapeutic machinery, in particular to a pneumatic therapeutic instrument with adjustable pressure.
Background
After the tumor patient has removed the tumor, the patient is confined to the bed for a period of time, at which time the blood flow rate in the patient's leg is significantly reduced. Blood stasis is an important cause of thrombosis in the legs of a patient, which may eventually lead to serious injury or even necrosis of the legs. In order to prevent the above situations, after the operation of the patient is finished, the patient often needs a pneumatic therapeutic apparatus for treatment;
each inflatable bag of the existing pneumatic therapeutic apparatus is provided with four to five air bags which are punched from feet to thighs in sequence when in use, and each air bag is connected with an air pump through an inflatable tube independently; and the inflation sequence and the total inflation time of the air bags are controlled by the PLC. The pipeline of the air pressure therapeutic apparatus is complex, and the pressure can be applied only in four to five areas along the length direction of the legs of the patient, so the therapeutic effect is poor;
in the prior art (spiral tube type stepless air pressure therapeutic apparatus), stepless pressurization treatment can be realized, but the following problems exist, 1, the treatment air pressure can not be adjusted; 2, in the application, the lower leg part is almost always under the action of pressure in the using process, but the whole treatment process is 20-30min, the lower leg is numb due to long-time pressure, and the lower leg is injured due to long-time blood non-backflow.
Disclosure of Invention
In view of the above situation, the present invention provides an air pressure therapeutic apparatus with adjustable pressure, which solves the problems of numbness of the lower leg caused by long-time compression of the lower leg and damage to the lower leg caused by long-time blood non-return in the use process of the prior art.
The technical scheme for solving the problem is as follows: the massage device comprises a hollow strip-shaped annular air bag which is horizontally placed, the side wall of the annular air bag can be filled with gas, the air pressure of the annular air bag is adjustable, a plurality of massage columns along the radial direction of the annular air bag are uniformly distributed on the inner wall of the annular air bag, a plurality of sleeves which are connected end to end along the axial direction of the annular air bag are sleeved on the outer side of the annular air bag, an independent female chamber is formed between each sleeve and the annular air bag at intervals, an annular baffle which can move along the axial direction of the annular air bag and can be reset is arranged in each female chamber, the corresponding female chamber is divided into a left independent sub-chamber and a right independent sub-chamber by the annular baffle, and the gas in the left sub-chamber can not enter the sub-chambers on the right side of the corresponding annular baffle;
the outer side of each sleeve is sleeved with an annular barrel which is coaxial with the sleeve, an interval is arranged between the annular barrels and the sleeves to form an outer cavity, each outer cavity is internally provided with a piston which can move left and right and can be reset, a fixing device for fixing the position of the piston is arranged between the piston and the annular barrel, the left side of the piston is connected with an air outlet pipeline, each sleeve is provided with a pressure relief opening which is positioned between the air outlet pipeline and the piston and used for communicating the outer cavity with the female cavity, the outer side wall of the annular barrel is provided with a pressure relief hole which penetrates through the side wall of the annular barrel, the piston is provided with a one-way valve, air in the outer cavity at the left side of the piston can enter the outer cavity at the right side of the piston through the one-way valve, the left side wall of each sleeve is provided with a two-way valve, the air outlet of each two-, the two-way valve at the leftmost side is connected with a pneumatic pump, the former outer chamber is connected with the next adjacent two-way valve through a hose, and the outer chamber at the rightmost end is communicated with the atmosphere.
The invention has novel concept, smart structure and strong practicability, can realize the stepless pressurization treatment on the leg, and the treated part is timely decompressed, thereby preventing the blood from flowing back caused by long-time extrusion, and can adjust the treatment pressure to adapt to different patients.
Drawings
FIG. 1 is a front sectional view of the present invention in use.
FIG. 2 is an enlarged front cross-sectional view of the attachment of the annular shield to the corresponding sleeve of the present invention.
FIG. 3 is an enlarged sectional top view of the attachment of the annular shield to the corresponding sleeve of the present invention.
FIG. 4 is an enlarged view in partial cross-section of the connection of the piston to the bi-directional valve of the present invention.
Fig. 5 is a partial enlarged view of the invention at C in fig. 4.
Fig. 6 is a partial enlarged view of the invention at E in fig. 4.
Fig. 7 is an enlarged view of a portion of the piston moving to the right at C of fig. 4 according to the present invention.
FIG. 8 is an enlarged view of the portion of the stem shown in FIG. 4E after the stem has been moved upward.
Fig. 9 is a left side sectional view of the arcuate block and sleeve combination of the present invention.
Fig. 10 is a partial enlarged view of the invention at B in fig. 2.
Detailed Description
The following describes in further detail embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 1 to 10, the air bag comprises a horizontally placed hollow strip-shaped annular air bag 1, the side wall of the annular air bag 1 can be filled with air, the air pressure of the annular air bag 1 is adjustable, a plurality of massage columns 2 along the radial direction of the annular air bag 1 are uniformly distributed on the inner wall of the annular air bag 1, a plurality of sleeves 3 which are connected end to end along the axial direction of the annular air bag 1 are sleeved outside the annular air bag 1, an interval is formed between each sleeve 3 and the annular air bag 1, an independent female chamber is formed by the interval between each sleeve 3 and the annular air bag 1, an annular baffle 4 which can move along the axial direction of the annular air bag 1 and can be reset is arranged in each female chamber, the corresponding female chamber is divided into a left independent sub-chamber 5 and a right independent sub-chamber 5 by the annular baffle 4, and the air in the sub-chamber 5 on the left side cannot enter the sub-chamber 5 on the;
the outer side of each sleeve 3 is sleeved with an annular barrel 6 which is coaxial with the sleeve 3, an interval is arranged between the annular barrel 6 and the sleeve 3 to form an outer chamber 7, a piston 8 which can move left and right and can be reset is arranged in each outer chamber 7, a fixing device for fixing the position of the piston 8 is arranged between the piston 8 and the annular barrel 6, the left side of the piston 8 is connected with an air outlet pipeline 9, each sleeve 3 is provided with a pressure relief opening 10 which is positioned between the air outlet pipeline 9 and the piston 8 and used for communicating the outer chamber 7 with a mother chamber, the outer side wall of the annular barrel 6 is provided with a pressure relief hole 11 which penetrates through the side wall of the annular barrel 6, the piston 8 is provided with a one-way valve, gas in the outer chamber 7 at the left side of the piston 8 can enter the outer chamber 7 at the right side of the piston 8 through the one-way valve, the left side wall, the air outlets of the two-way valves are communicated with the corresponding female chambers, the air outlets of the two-way valves can be communicated with the corresponding outer chambers 7, the two-way valve positioned at the leftmost side is connected with a pneumatic pump, the previous outer chamber 7 is connected with the next adjacent two-way valve through a hose 12, and the outer chamber 7 positioned at the rightmost end is communicated with the atmosphere; when the piston 8 is positioned at the leftmost end of the displacement of the piston, the piston 8 is fixed by the fixing device, the air outlet pipeline 9 is not communicated with any chamber, the female chamber is communicated with the outer chamber 7, the outer chamber 7 is not communicated with the outside, the two-way valve is communicated with the corresponding female chamber, air enters the leftmost female chamber and the leftmost outer chamber 7 through the pneumatic pump, but the air pressure in the outer chamber 7 cannot enable the fixing device to release the piston 8, and the air pressure in the sub-chamber 5 at the left side of the annular baffle 4 is increased to enable the annular baffle 4 to move rightwards; when the air pressure in the outer chamber 7 enables the fixing device to loosen the piston 8, the piston 8 moves rightwards, when the piston 8 is located at the rightmost end of displacement, the vent pipeline enables the pressure relief port 10 to be communicated with the pressure relief hole 11, air in the corresponding female chamber can flow into the outside through the vent pipeline, the female chamber is relieved in pressure, the annular baffle 4 moves leftwards to reset, meanwhile, the one-way valve on the piston 8 is opened, the two-way valve is communicated with the corresponding outer chamber 7, and air of the air pressure pump enters the next adjacent female chamber through the hose 12.
In order to realize that the annular baffle 4 makes the gas in the left sub-chamber 5 unable to enter the sub-chamber 5 on the right side of the corresponding annular baffle 4, the annular airbag 1 and the sleeve 3 are sleeved with a sleeve 13 which is as long as the sleeve 3, the adjacent sleeves 13 are spaced, the sleeves 13 and the annular airbag 1 are in sealing connection, the sleeve 3 and the sleeve 13 are fixedly connected, the sleeve 13 and the annular airbag 1 are spaced, the sleeve 13 and the sleeve 13 are uniformly provided with a plurality of air holes 14 which penetrate through the side wall of the sleeve 13, the air holes 14 uniformly provided with a plurality of circumferences are uniformly distributed along the axial uniform distribution of the annular airbag 1, the inner wall of the sleeve 13 between the air holes 14 in two adjacent rows is provided with an annular rubber sheet 15, the outer side of the annular rubber sheet 15 is fixed on the inner wall of the sleeve 13, the inner side of the annular rubber sheet 15 is fixed with the outer wall of the annular airbag 1, the annular rubber sheet 15 is always in a folded state, gas cannot flow into the other side of the annular rubber sheet 15 from one side of the annular rubber sheet 15 through the annular rubber sheet 15, annular rubber plugging plugs are fixed at the inner end and the outer end of the annular baffle 4, the inner side wall of the inner rubber plugging plug is tightly contacted with the outer wall of the sleeve 13, and the outer side wall of the outer rubber plugging plug is tightly contacted with the inner wall of the sleeve 3; when gas enters the sub-chamber 5 on the left side of the annular baffle 4, the gas can enter the gas hole 14 on the left side of the annular baffle 4, due to the shielding effect of the annular rubber sheet 15, the increased gas cannot pass through the annular rubber sheet 15, so the increased gas can extrude the annular air bag 1 to deform inwards, when the annular air bag 1 deforms inwards, the annular rubber sheet 15 can be gradually unfolded along with the deformation of the annular air bag 1, and therefore the gas still cannot flow out, in addition, because the inner end and the outer end of the annular baffle 4 are blocked by rubber seals, the gas cannot flow out from the annular baffle 4, the sleeve 3 and the joint of the annular baffle 4 and the sleeve 13, and therefore when the annular air bag 1 deforms under the air pressure to massage, the gas in the sub-chamber 5 on the left side of the annular baffle 4 cannot enter the sub-chamber 5 on the right side of the annular baffle 4.
In order to realize that the annular baffle 4 can move left and right and can reset, a first pressure spring 16 is arranged between the annular baffle 4 and the right side wall of the corresponding sleeve 3, the left end of the first pressure spring 16 is fixed on the annular baffle 4, and the right end of the first pressure spring 16 is fixed on the right side wall of the sleeve 3; when the pressure increase in the left subchamber 5 of annular baffle 4, annular gasbag 1 can be extruded to the pressure in the left subchamber 5 of annular baffle 4, thereby make 1 internal deformation of annular gasbag extrude the massage to the shank, promote annular baffle 4 and remove right when 5 pressure enlargements of the left side subchamber of annular baffle 4 make first pressure spring 16 be compressed, when annular baffle 4 removed right to the rightmost end, the atmospheric pressure increase in this female chamber makes pressure relief device rebound, pressure relief vent 10 is opened the back, under the effect of 16 pressures of first pressure spring, annular baffle 4 removes left and resets.
In order to realize the stress balance when the piston 8 moves rightwards, a plurality of pressure relief ports 10, pressure relief holes 11 and air ducts are uniformly distributed around the circumference of the axis of the sleeve 3.
In order to realize that when the piston 8 is positioned at the leftmost end of the displacement, the air outlet pipeline 9 is not communicated with any cavity, the female cavity is communicated with the outer cavity 7, and the outer cavity 7 is not communicated with the outside, when the piston 8 is positioned at the rightmost end of the displacement, the air outlet pipeline is communicated with the pressure relief opening 10 and the pressure relief hole 11, the air in the corresponding female cavity can flow into the outside through the air outlet pipeline, a horizontal support rod 17 is connected between the air outlet pipeline 9 and the piston 8, the inner end of the air outlet pipeline 9 is attached to the inner wall of the sleeve 3, the outer wall of the air outlet pipeline 9 is attached to the outer wall of the annular barrel 6, the inner end and the outer end of the air outlet pipeline 9 are respectively provided with an arc-shaped plate 19, the arc-shaped plate 19 positioned at the inner side is attached to the outer wall of the sleeve 3 and is provided with an air vent 18 penetrating; when the piston 8 is located at the leftmost end of the displacement, the air outlet pipeline 9 is located on the left side of the pressure relief opening 10, the vent hole 18 of the arc-shaped plate 19 located below is opposite to the pressure relief opening 10, the arc-shaped plate 19 located outside shields and seals the pressure relief hole 11, at this time, the inner end and the outer end of the air outlet pipeline 9 are both shielded by the corresponding sleeve 3 and the annular barrel 6, so that the air outlet pipeline 9 is not communicated with any cavity, the vent hole 18 of the arc-shaped plate 19 located below is opposite to the pressure relief opening 10, at this time, the female cavity is communicated with the outer cavity 7, the arc-shaped plate 19 located outside shields and seals the pressure relief hole 11, so that the outer cavity 7 is not communicated with the outside, after the piston 8 moves rightwards, the air outlet pipeline 9 connects the pressure relief opening 10 with the pressure relief hole 11, and at this time, the air in the corresponding female.
In order to realize that the piston 8 can move left and right and can reset, the inner end and the outer end of the piston 8 are respectively attached to the outer wall of the corresponding sleeve 3 and the inner wall of the corresponding annular barrel 6, a third pressure spring 20 is installed between the piston 8 and the right side wall of the annular barrel 6, one end of the third pressure spring 20 is fixed on the right side wall of the annular barrel 6, the other end of the third pressure spring 20 is fixed on the right end face of the piston 8, when the pressure in the outer chamber 7 on the left side of the piston 8 is increased, the piston 8 is pushed to move right under the action of the gas pressure after the fixing device loosens the piston 8, the third pressure spring 20 is deformed under pressure, and when the pressure in the outer chamber 7 on the left side of the piston 8 is reduced, the piston 8 moves left and resets under the.
In order to realize that the piston 8 is positioned at the leftmost end of the displacement, the position of the piston 8 is fixed, a vertical blind hole 21 is formed in the inner wall of the annular barrel 6, a positioning pin 22 which is vertical and coaxial with the blind hole 21 is installed in the blind hole 21, a fourth pressure spring 23 is installed between the positioning pin 22 and the blind hole 21, one end of the fourth pressure spring 23 is fixed on the positioning pin 22, the other end of the fourth pressure spring 23 is fixed on the blind hole 21, the lower end of the positioning pin 22 is spherical and is positioned in the outer chamber 7, a positioning groove 24 which is opposite to the positioning pin 22 is formed in the piston 8, when the positioning pin 22 is positioned in the positioning groove 24, the position of the piston 8 is fixed, when the piston 8 is subjected to rightward pressure, the positioning pin 22 is pushed to move upwards and move out of the positioning groove 24, and when the positioning pin 22 moves out of the positioning groove 24, the position of the.
In order to realize that the one-way valve on the piston 8 is opened after the piston 8 moves rightwards, the piston 8 is provided with a ventilation port 25 which is through from left to right, the left end of the ventilation port 25 is provided with an installation groove 26 which is coaxial with the ventilation port 25, a rotatable baffle plate 27 is installed in the installation groove 26, the upper end of the baffle plate 27 is provided with a transverse shaft which is arranged in the front-back direction and on the piston 8, a torsion spring 29 is installed between the transverse shaft and the piston 8, one end of the torsion spring 29 is fixed on the transverse shaft, the other end of the torsion spring 29 is fixed on the transverse shaft, the right side wall of the annular barrel 6 is provided with a horizontal gas pipeline 28 which corresponds to the ventilation port; during the process that the piston 8 moves rightwards, the air outlet pipe 9 is placed in the air vent 25, the piston 8 continues to move rightwards, the air pipe 28 is in contact with the baffle 27 and pushes the baffle 27 to rotate, the torsion spring 29 is subjected to torsional deformation, the one-way valve is opened, when the piston 8 moves leftwards, the air pipe 28 is separated from the baffle 27, and the baffle 27 is reversely reset under the action of the torsion spring 29.
The two-way valve comprises a first L-shaped groove 30 arranged on the left side wall of the sleeve 3, the tail end of a transverse groove of the first L-shaped groove 30 is communicated with a corresponding female cavity, an air inlet 31 communicated with a vertical groove of the first L-shaped groove 30 is arranged on the left side wall of the sleeve 3, an inverted second L-shaped groove 32 is arranged on the left side wall of the annular barrel 6, a vertical groove of the inverted second L-shaped groove 32 is communicated with a vertical groove of the first L-shaped groove 30, a transverse groove of the second L-shaped groove 32 is communicated with the outer cavity 7, two check blocks 33 are arranged in the vertical groove of the first L-shaped groove 30, each check block 33 is provided with a conical cavity 34 which is communicated up and down, the two conical cavities 34 are vertically symmetrical, wherein the diameter of the upper end of the conical cavity 34 which is positioned above is larger than the diameter of the lower end, a vertical rod 35 is arranged in the vertical groove of the L-shaped plate, the upper end of the vertical rod 35 is positioned above the conical cavity, the upper end and the lower end of the vertical rod 35 are respectively provided with a blocking ball 36, when the blocking balls 36 are positioned in the corresponding conical cavities 34, the corresponding conical cavities 34 can be blocked, a second tension spring 37 is arranged between the blocking ball 36 positioned below and the bottom of the transverse groove of the first L-shaped groove 30, the upper end of the second tension spring 37 is fixed on the blocking ball 36 positioned below, the lower end of the second tension spring 37 is fixed at the bottom of the transverse groove of the first L-shaped groove 30, a fixed pulley 38 is arranged in the transverse groove of the second L-shaped groove 32, a rope 39 is arranged on the fixed pulley 38 positioned above, and the other end of the rope 39 bypasses the fixed pulley 38 and is fixed on the ventilation pipeline; when the piston 8 is positioned at the leftmost end of the displacement, the vertical rod 35 is positioned at the lowermost end of the displacement, at this time, the blocking ball 36 positioned above blocks the conical cavity 34 positioned above, the blocking ball 36 positioned below is positioned below the conical cavity 34 positioned below, the second tension spring 37 is positioned at the original length, at this time, the air inlet 31 is communicated with the corresponding female cavity, when the piston 8 moves rightwards, the piston 8 drives the vent pipe to move rightwards simultaneously, the vent pipe is reversed by the fixed pulley 38 to drive the vertical rod 35 to move upwards, after the vertical rod 35 moves upwards, the blocking ball 36 positioned above moves to the corresponding conical cavity 34 and is separated from the corresponding conical cavity 34, the blocking ball 36 positioned below moves upwards and blocks the conical cavity 34 positioned below, the second tension spring 37 is stretched, at this time, the air inlet 31 is communicated with the corresponding outer cavity 7, when the piston 8 moves leftwards to reset, the vertical rod 35 is driven to move downwards under the tension of the second tension spring 37, so that the two-way valve is reset again to communicate with the corresponding female chamber.
In order to realize the adjustable air pressure of the annular air bag 1, the left side wall of the annular air bag 1 is provided with a vent hole 18, the vent hole 18 is provided with a seal plug, when the pressure in the annular air bag 1 needs to be adjusted, the vent hole 18 can be filled with air into the annular air bag 1, and when the pressure in the annular air bag 1 needs to be adjusted, the vent hole 18 can be opened for deflation.
An airflow channel is arranged on the right side wall of the sleeve 3 and is communicated with the air inlet 31 of the next sleeve 3, an air outlet hole 18 is arranged on the right end face of the annular barrel 6, one end of the hose 12 is arranged on the air outlet hole 18, and the other end of the hose 12 penetrates through the airflow channel and is fixed on the air inlet hole 18 of the next sleeve 3 adjacent to the hose.
In order to realize better massage effect, the inner end of the massage column 2 is a ball end.
The shape of the ring-type airbag 1 can be set to be a cone shape similar to the human leg.
Two adjacent sleeves 3 between have the interval, connect the back through hose 12 between the interval, accessible elastic webbing connects, and the both ends of elastic webbing are fixed respectively on corresponding sleeve 3 to realize in the use, can have a certain amount of relative motion between two adjacent sleeves 3, make the user more comfortable.
Before the device is used, all the used annular baffle plates 4 are positioned at the leftmost end of the displacement of the annular baffle plates, and the first pressure spring 16 is positioned at the original length;
all the pistons 8 are positioned at the leftmost end of the displacement, the third pressure spring 20 is positioned at the original length, the positioning pins 22 are positioned in the corresponding positioning grooves 24, the positions of the pistons 8 are fixed, the air outlet pipeline 9 is positioned at the left side of the pressure relief opening 10, the air hole 14 of the arc plate 19 positioned below is opposite to the pressure relief opening 10, the arc plate 19 positioned outside shields and seals the pressure relief hole 11, at the moment, the inner end and the outer end of the air outlet pipeline 9 are both shielded by the corresponding sleeve 3 and the corresponding annular barrel 6, therefore, the air outlet pipe 9 is not communicated with any chamber, and because the air hole 14 of the arc-shaped plate 19 positioned below is opposite to the pressure relief opening 10, therefore, the female chamber is communicated with the outer chamber 7, because the arc-shaped plate 19 positioned at the outer side shields and seals the pressure relief hole 11, therefore, the outer chamber 7 is not communicated with the outside, and after the piston 8 moves rightwards, the air outlet pipeline 9 connects the pressure relief port 10 with the pressure relief hole 11; the baffle 27 is positioned in the abdicating groove and blocks the one-way valve, the vertical rod 35 is positioned at the lowest end of the displacement, at the moment, the blocking ball 36 positioned above blocks the conical cavity 34 positioned above, the blocking ball 36 positioned below is positioned below the conical cavity 34 positioned below, the second tension spring 37 is positioned at the original length, and at the moment, the air inlet 31 is communicated with the corresponding female cavity;
when the device is used, a user lies on a bed or sits on the bed to ensure that two legs are in a horizontal unbent state, then the two devices are respectively sleeved on the left leg and the right leg of a patient, when the device is sleeved, one side containing the air pressure pump is positioned at the position of the lower leg, then a certain amount of gas is filled into the annular air bag 1 to ensure that the annular air bag 1 has certain pressure, the pressure of the annular air bag 1 can be displayed by using an air pressure display, the annular air bag 1 can expand outwards in the process of filling the gas, and the rubber sealing ring is extruded to ensure that the rubber sealing ring deforms outwards;
then, gas is injected into the leftmost mother chamber by using a pressure pump, the gas quantity in the sub-chamber 5 on the left side of the annular baffle 4 in the leftmost mother chamber is increased, at the moment, the sub-chamber 5 on the left side of the annular baffle 4 is communicated with the corresponding outer chamber 7, the gas also enters the corresponding outer chamber 7, but due to the action of the baffle 27, the gas entering the chamber on the left side of the piston 8 cannot enter the chamber on the right side of the piston 8, the gas is continuously injected into the first mother chamber by using the pressure pump, the piston 8 cannot be separated from the fixing device by using the gas pressure, so when the gas enters the sub-chamber 5 on the left side of the annular baffle 4, the gas can enter the gas hole 14 on the left side of the annular baffle 4, and because the inner end and the outer end of the annular baffle 4 are blocked by using rubber, the gas cannot flow out from the joint of the annular baffle 4, the sleeve 3 and the annular baffle 4 and the, in addition, due to the shielding effect of the annular rubber sheet 15, the increased gas cannot pass through the annular rubber sheet 15, so that the increased gas can extrude the annular air bag 1 to deform inwards, when the annular air bag 1 deforms inwards, the annular rubber sheet 15 can be gradually unfolded along with the deformation of the annular air bag 1, namely when the annular air bag 1 on the left side of the annular baffle 4 deforms under the air pressure to massage, the gas in the sub-chamber 5 on the left side of the annular baffle 4 cannot enter the sub-chamber 5 on the right side of the annular baffle 4;
along with the continuous increase of the air pressure in the cavity at the left side of the annular baffle 4, the annular baffle 4 can be extruded to move rightwards, the annular baffle 4 moves rightwards so that the first pressure spring 16 is compressed, the annular baffle 4 moves rightwards gradually, in the process that the annular baffle 4 moves rightwards, air can enter the space between the sleeve 13 and the annular air bag 1 from the air hole 14 in sequence from left to right and extrude the annular air bag 1 to deform inwards to extrude and massage the legs, the annular baffle 4 moves rightwards continuously, and the annular air bag 1 gradually enlarges the extrusion massage range of the legs.
When the annular baffle 4 moves rightmost, the air pressure in the female chamber continues to increase, meanwhile, the air pressure on the left side of the piston 8 continues to increase, when the piston 8 is subjected to rightward pressure increase, the positioning pin 22 is pushed to move outwards and move out of the positioning groove 24, the fourth pressure spring 23 is compressed, when the positioning pin 22 moves out of the positioning groove 24, the position of the piston 8 is released, the increased air pressure pushes the piston 8 to move rightmost, in the process that the piston 8 moves rightmost, the piston 8 drives the vent pipe to move rightmost simultaneously, the vent pipe is reversed by the fixed pulley 38 to drive the vertical rod 35 to move upwards, after the vertical rod 35 moves upwards, the blocking ball 36 positioned above moves to the corresponding conical cavity 34 and is separated from the corresponding conical cavity 34, the blocking ball 36 positioned below moves upwards and blocks the conical cavity 34 below, the second tension spring 37 is stretched, and at this time, the air inlet 31 is communicated with the corresponding outer chamber 7, after the piston 8 moves rightwards, the air outlet pipeline 9 is in contact with the baffle 27 and pushes the baffle 27 to rotate, the torsion spring 29 is subjected to torsional deformation, the one-way valve is opened, and the hydraulic pump flows gas into the next adjacent sub-chamber 5 through the first outer chamber 7; because the air outlet amount of the one-way valve on the piston 8 is smaller than the air inlet amount of the pneumatic pump, the air pressure on the left side of the piston 8 is always at a certain pressure value, and the pressure on the left side of the piston 8 is equal to the pressure of the third pressure spring 20, so that the piston 8 can be in a stable state, the corresponding one-way valve is opened, and meanwhile, the air inlet 31 of the corresponding two-way valve is communicated with the corresponding outer chamber 7.
When the piston 8 moves rightwards to the rightmost end and is in a static state, the air outlet pipeline 9 moves rightwards to communicate the pressure relief hole 11 with the pressure relief opening 10, and air in the corresponding female cavity can flow into the outside through the air outlet pipeline 9;
at the moment, after the pressure relief opening 10 is communicated with the outside, the sub-chamber 5 on the left side of the annular baffle 4 is subjected to pressure relief, the pressure on the left side of the annular baffle 4 is reduced, the annular baffle 4 can smoothly move leftwards to reset under the action of the pressure of the first pressure spring 16, and in the process that the annular baffle 4 moves leftwards to reset, gas in the sub-chamber 5 on the left side of the annular baffle 4 can flow to the outside through the pressure relief opening 10;
when the piston 8 moves rightwards, the air outlet pipeline 9 is in contact with the baffle 27 and pushes the baffle 27 to rotate, the torsion spring 29 is subjected to torsional deformation, the one-way valve is opened, and the hydraulic pump flows gas into the next adjacent sub-chamber 5 through the first outer chamber 7; repeating the steps, increasing the air pressure in the sub-chamber 5 at the left side of the next adjacent annular baffle 4, pushing the corresponding annular baffle 4 to move rightwards, enabling the annular air bag 1 to deform inwards under the pressure, enabling the massage column 2 to squeeze and massage the legs, enabling the corresponding pressure relief device to move outwards after the annular baffle 4 moves rightwards to the tail end, enabling the corresponding pressure relief opening 10 to be opened, relieving the pressure of the female chamber, enabling the two-way valve at the position to be communicated with the corresponding outer chamber 7, enabling the air to enter the next female chamber adjacent to the annular baffle 4, and repeating the steps, continuously pressurizing, squeezing and massaging from the crus to the thighs, relieving the pressure and loosening to treat the legs of the human body.
After the treatment of the whole leg is completed, the air pressure pump stops supplying air, the air inlet 31 is released, the pressure on the left side of the piston 8 is reduced, the piston 8 moves leftwards under the action of the pressure of the third pressure spring 20 and resets, in the process that the piston 8 moves leftwards, the baffle plate 27 resets under the action of the torsion spring 29, and meanwhile, when the piston 8 moves leftwards and contacts with the positioning pin 22 again, the positioning pin 22 is firstly extruded to move outwards, when the positioning pin 22 is opposite to the positioning groove 24, the positioning pin 22 is placed in the positioning groove 24, and the piston 8 is fixed; when the piston 8 moves leftwards and returns, the vertical rod 35 is driven to move downwards under the action of the tension of the second tension spring 37, so that the two-way valve is returned again to be communicated with the corresponding female chamber. The whole device is restored to the state before use.
According to the invention, through the structure consisting of the plurality of sleeves 3, the annular baffle 4 and the annular barrel 6, air is filled in the annular barrel through the air pressure pump, the annular baffle 4 is pressed to move, and the annular air bag 1 is extruded to enable the massage column 2 to carry out pressurization massage on the legs, so that the stepless treatment is carried out, the leg rehabilitation of a patient is facilitated, and the formation of embolism is prevented.
By arranging the two-way valve, the piston 8 and the air outlet pipeline 9, the invention can realize timely pressure relief when the pressure of the corresponding treatment part reaches a certain value, prevent the damage of the patient caused by overlarge pressure, and prevent the problems that the shank part is stressed for a long time, blood does not flow back and the patient is damaged when the shank part is treated for a long time.
According to the invention, by arranging the sleeve 13, the annular rubber sheets 15 and the air holes 14, when the annular air bag 1 on the left side of the annular baffle 4 is deformed by air pressure to massage, the air in the sub-chamber 5 on the left side of the annular baffle 4 cannot enter the sub-chamber 5 on the right side of the annular baffle 4, and in the process that the annular baffle 4 moves rightwards, the airtightness of the whole device is ensured, the areas between the adjacent annular rubber sheets 15 are gradually massaged, better stepless treatment is achieved, and the treatment effect is better.
The pressure adjustable annular air bag 1 is arranged, and the pressure of the annular air bag 1 can be adjusted, so that the pressure adjustable annular air bag can adjust the pressure during leg treatment, and is more suitable for different patients.
The invention has novel concept, smart structure and strong practicability, can realize the stepless pressurization treatment on the leg, and the treated part is timely decompressed, thereby preventing the blood from flowing back caused by long-time extrusion, and can adjust the treatment pressure to adapt to different patients.
Claims (10)
1. The pressure-adjustable pneumatic therapeutic apparatus is characterized by comprising a horizontally placed hollow strip-shaped annular air bag (1), the side wall of the annular air bag (1) can be filled with gas, the air pressure of the annular air bag (1) can be adjusted, a plurality of massage columns (2) along the radial direction of the annular air bag (1) are uniformly distributed on the inner wall of the annular air bag (1), a plurality of sleeves (3) which are connected end to end along the axial direction of the annular air bag (1) are sleeved on the outer side of the annular air bag (1), a space is formed between each sleeve (3) and the annular air bag (1), an independent female cavity is formed by the space between each sleeve (3) and the annular air bag (1), an annular baffle plate (4) which can move along the axial direction of the annular air bag (1) and can be reset is arranged in each female cavity, the corresponding female cavity is divided into a left sub-cavity and a right sub-cavity (5) by the annular baffle plate (, the annular baffle (4) prevents gas in the sub-chamber (5) on the left side from entering the sub-chamber (5) on the right side of the corresponding annular baffle (4);
the outside of every sleeve (3) all the cover be equipped with one with sleeve (3) coaxial annular bucket (6), there is the interval and form one outer cavity (7) between annular bucket (6) and sleeve (3), all install one in every outer cavity (7) and remove and can reset piston (8), install the fixing device of fixed piston (8) position between piston (8) and annular bucket (6), the left side of piston (8) is connected with one pipeline of giving vent to anger (9), all set up one on every sleeve (3) and be located between pipeline of giving vent to anger (9) and piston (8) and with pressure release mouth (10) of outer cavity (7) and female cavity intercommunication, set up one pressure release hole (11) that run through annular bucket (6) lateral wall on the lateral wall of annular bucket (6), install a check valve on piston (8), the outer cavity (7) in piston (8) left side outer cavity (7) can enter into outer cavity (7) on piston (8) right side through the check valve) The left side wall of each sleeve (3) is provided with a two-way valve, the air outlet of each two-way valve is communicated with the corresponding female chamber, the air outlet of each two-way valve can be communicated with the corresponding outer chamber (7), the two-way valve positioned at the leftmost side is connected with an air pressure pump, the previous outer chamber (7) is connected with the next adjacent two-way valve through a hose (12), and the outer chamber (7) positioned at the rightmost end is communicated with the atmosphere; when the piston (8) is positioned at the leftmost end of the displacement of the piston, the piston (8) is fixed by a fixing device, the air outlet pipeline (9) is not communicated with any chamber, the female chamber is communicated with the outer chamber (7), the outer chamber (7) is not communicated with the outside, the two-way valve is communicated with the corresponding female chamber, air enters the female chamber and the outer chamber (7) at the leftmost side through the pneumatic pump, but the air pressure in the outer chamber (7) cannot enable the fixing device to loosen the piston (8), and the air pressure in the sub-chamber (5) at the left side of the annular baffle plate (4) is increased to enable the annular baffle plate (4) to move rightwards; when the air pressure in the outer cavity (7) enables the fixing device to loosen the piston (8), the piston (8) moves rightwards, when the piston (8) is located at the rightmost end of displacement, the vent pipeline enables the pressure relief port (10) and the pressure relief hole (11) to be communicated, air in the corresponding female cavity can flow into the outside through the vent pipeline, the female cavity is subjected to pressure relief, the annular baffle (4) moves leftwards and resets, meanwhile, the one-way valve on the piston (8) is opened, the two-way valve is communicated with the corresponding outer cavity (7), and air of the pneumatic pump enters the next adjacent female cavity through the hose (12).
2. The pressure-adjustable pneumatic therapeutic apparatus according to claim 1, wherein a sleeve (13) having the same length as the sleeve (3) is sleeved between the annular air bag (1) and the sleeve (3), a space is provided between the adjacent sleeves (13), the sleeves (13) are hermetically connected with the annular air bag (1), the sleeve (3) is fixedly connected with the sleeves (13), a space is provided between the sleeve (13) and the annular air bag (1), a space is provided between the sleeve (13) and the sleeve (3), a plurality of air holes (14) penetrating through the side wall of the sleeve (13) are uniformly distributed on the circumferences of the sleeve (13) and the sleeve (13), a plurality of air holes (14) uniformly distributed on the circumferences are uniformly distributed along the axial direction of the annular air bag (1), an annular rubber sheet (15) is mounted on the inner wall of the sleeve (13) between two adjacent rows of air holes (14), the outside of annular sheet rubber (15) is fixed on sleeve pipe (13) inner wall, the inboard of annular sheet rubber (15) is fixed with the outer wall of annular gasbag (1), annular sheet rubber (15) presents the fold state all the time, gaseous unable one side from annular sheet rubber (15) flows in the opposite side through annular sheet rubber (15), the inside and outside both ends of annular baffle (4) all are fixed with annular rubber shutoff stopper, the inside wall and the sleeve pipe (13) outer wall in close contact with of inboard rubber shutoff stopper, the outside wall and the sleeve pipe (3) inner wall in close contact with of the rubber shutoff stopper in the outside.
3. A pressure adjustable therapeutic apparatus according to claim 1, wherein a first compression spring (16) is installed between the annular baffle plate (4) and the right side wall of the corresponding sleeve (3), the left end of the first compression spring (16) is fixed on the annular baffle plate (4), and the right end of the first compression spring (16) is fixed on the right side wall of the sleeve (3).
4. A pressure regulated pressure regulating air pressure therapy apparatus as claimed in claim 1, wherein said pressure relief port (10), pressure relief hole (11) and air vent conduit are arranged in plurality circumferentially around the axis of the sleeve (3).
5. The pressure-adjustable pneumatic therapeutic apparatus according to claim 1, wherein a horizontal support rod (17) is connected between the air outlet pipe (9) and the piston (8), the inner end of the air outlet pipe (9) is attached to the inner wall of the sleeve (3), the outer wall of the air outlet pipe (9) is attached to the outer wall of the annular barrel (6), an arc-shaped plate (19) is respectively installed at each of the inner end and the outer end of the air outlet pipe (9), the arc-shaped plate (19) positioned on the inner side is attached to the outer wall of the sleeve (3) and provided with an air vent (18) which penetrates through the annular plate in the up-down direction, and the arc-shaped plate (19) positioned on the outer side is attached to the inner wall of the annular barrel (6.
6. The pressure-adjustable pneumatic therapeutic apparatus according to claim 1, wherein the inner end and the outer end of the piston (8) are respectively attached to the outer wall of the corresponding sleeve (3) and the inner wall of the corresponding annular barrel (6), a third compression spring (20) is installed between the piston (8) and the right side wall of the annular barrel (6), one end of the third compression spring (20) is fixed to the right side wall of the annular barrel (6), and the other end of the third compression spring (20) is fixed to the right end face of the piston (8).
7. The pressure-adjustable pneumatic therapeutic apparatus according to claim 1, wherein the inner wall of the annular barrel (6) is provided with a vertical blind hole (21), a vertical positioning pin (22) coaxial with the blind hole (21) is installed in the blind hole (21), a fourth pressure spring (23) is installed between the positioning pin (22) and the blind hole (21), one end of the fourth pressure spring (23) is fixed on the positioning pin (22), the other end of the fourth pressure spring (23) is fixed on the blind hole (21), the lower end of the positioning pin (22) is spherical and is located in the outer chamber (7), and the piston (8) is provided with a positioning groove (24) opposite to the positioning pin (22).
8. The pressure-adjustable pneumatic therapeutic apparatus according to claim 1, wherein the piston (8) is provided with a left and right through vent (25), the left end of the vent (25) is provided with a mounting groove (26) coaxial with the vent (25), a rotatable baffle (27) is mounted in the mounting groove (26), the upper end of the baffle (27) is provided with a transverse shaft which is arranged in the front-back direction and on the piston (8), a torsion spring (29) is mounted between the transverse shaft and the piston (8), one end of the torsion spring (29) is fixed on the transverse shaft, the other end of the torsion spring (29) is fixed on the transverse shaft, a horizontal gas pipeline (28) corresponding to the vent (25) is mounted on the right side wall of the annular barrel (6), and the gas pipeline (28) is communicated with the corresponding hose (12).
9. The pressure adjustable pneumatic therapeutic apparatus according to claim 1, wherein the two-way valve comprises a first L-shaped groove (30) formed on the left side wall of the sleeve (3), the end of the transverse groove of the first L-shaped groove (30) is communicated with the corresponding female chamber, the left side wall of the sleeve (3) is provided with an air inlet (31) communicated with the vertical groove of the first L-shaped groove (30), the left side wall of the annular barrel (6) is provided with an inverted second L-shaped groove (32), the vertical groove of the inverted second L-shaped groove (32) is communicated with the vertical groove of the first L-shaped groove (30), the transverse groove of the second L-shaped groove (32) is communicated with the outer chamber (7), two stoppers (33) are installed in the vertical groove of the first L-shaped groove (30), each stopper (33) is provided with a tapered cavity (34) which is communicated up and down, and the two tapered cavities (34) are symmetrical up and down, wherein the diameter of the upper end of the conical cavity (34) positioned above is larger than that of the lower end, a vertical rod (35) is arranged in a vertical groove of the L-shaped plate, the upper end of the vertical rod (35) is positioned above the conical cavity (34) positioned above, the lower end of the vertical rod (35) is positioned below the conical cavity (34) positioned below, a blocking ball (36) is respectively arranged at the upper end and the lower end of the vertical rod (35), the corresponding conical cavity (34) can be blocked when the blocking ball (36) is positioned in the corresponding conical cavity (34), a second tension spring (37) is arranged between the blocking ball (36) positioned below and the bottom of a transverse groove of the first L-shaped groove (30), the upper end of the second tension spring (37) is fixed on the blocking ball (36) positioned below, the lower end of the second tension spring (37) is fixed at the bottom of the transverse groove of the first L-shaped groove (30), and a fixed pulley (38) is arranged in the transverse groove, a rope (39) is arranged on the fixed pulley (38) positioned above, and the other end of the rope (39) is fixed on the vent pipeline by passing through the fixed pulley (38).
10. A pressure adjustable therapeutic apparatus as claimed in claim 1, wherein the sleeve (3) is provided with an air passage on the right side wall thereof, the air passage is communicated with the air inlet (31) of the next sleeve (3), the annular barrel (6) is provided with an air outlet hole (18) on the right end face thereof, one end of the flexible tube (12) is mounted on the air outlet hole (18), and the other end of the flexible tube (12) is fixed to the air inlet hole (18) of the next sleeve (3) adjacent thereto through the air passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011309395.5A CN112336601A (en) | 2020-11-20 | 2020-11-20 | Pressure adjustable atmospheric pressure therapeutic instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011309395.5A CN112336601A (en) | 2020-11-20 | 2020-11-20 | Pressure adjustable atmospheric pressure therapeutic instrument |
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| Publication Number | Publication Date |
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| CN112336601A true CN112336601A (en) | 2021-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011309395.5A Withdrawn CN112336601A (en) | 2020-11-20 | 2020-11-20 | Pressure adjustable atmospheric pressure therapeutic instrument |
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| CN (1) | CN112336601A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112842846A (en) * | 2021-03-17 | 2021-05-28 | 茹想 | Severe low limbs atmospheric pressure nursing device |
| CN113303551A (en) * | 2021-06-17 | 2021-08-27 | 广西宁站体育科技有限公司 | Preparation method of shoe material |
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| CN204951545U (en) * | 2015-09-18 | 2016-01-13 | 山东省文登整骨医院 | Orthopedics nursing is with recovered massage sheath |
| CN209203984U (en) * | 2018-07-03 | 2019-08-06 | 上海健康医学院 | A kind of leg rolling-type thrombus treating apparatus |
| CN110279570A (en) * | 2019-06-29 | 2019-09-27 | 吉林大学 | A kind of air pressure wave therapeutic instrument leg set connection equipment |
| CN211067882U (en) * | 2019-07-05 | 2020-07-24 | 郑州大学第二附属医院 | Painful branch of academic or vocational study is painful to be nursed device |
| CN211326677U (en) * | 2019-12-30 | 2020-08-25 | 江苏信立康医疗科技有限公司 | Size-adjustable sleeve of air wave pressure therapeutic instrument |
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| CN204951545U (en) * | 2015-09-18 | 2016-01-13 | 山东省文登整骨医院 | Orthopedics nursing is with recovered massage sheath |
| CN209203984U (en) * | 2018-07-03 | 2019-08-06 | 上海健康医学院 | A kind of leg rolling-type thrombus treating apparatus |
| CN110279570A (en) * | 2019-06-29 | 2019-09-27 | 吉林大学 | A kind of air pressure wave therapeutic instrument leg set connection equipment |
| CN211067882U (en) * | 2019-07-05 | 2020-07-24 | 郑州大学第二附属医院 | Painful branch of academic or vocational study is painful to be nursed device |
| CN211326677U (en) * | 2019-12-30 | 2020-08-25 | 江苏信立康医疗科技有限公司 | Size-adjustable sleeve of air wave pressure therapeutic instrument |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112842846A (en) * | 2021-03-17 | 2021-05-28 | 茹想 | Severe low limbs atmospheric pressure nursing device |
| CN112842846B (en) * | 2021-03-17 | 2023-08-15 | 文继林 | Severe lower limb air pressure nursing device |
| CN113303551A (en) * | 2021-06-17 | 2021-08-27 | 广西宁站体育科技有限公司 | Preparation method of shoe material |
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Application publication date: 20210209 |