CN220791460U - Air supply device, air charging and discharging type air pump and electronic sphygmomanometer - Google Patents
Air supply device, air charging and discharging type air pump and electronic sphygmomanometer Download PDFInfo
- Publication number
- CN220791460U CN220791460U CN202290000196.2U CN202290000196U CN220791460U CN 220791460 U CN220791460 U CN 220791460U CN 202290000196 U CN202290000196 U CN 202290000196U CN 220791460 U CN220791460 U CN 220791460U
- Authority
- CN
- China
- Prior art keywords
- air
- air outlet
- bag
- bag body
- supply device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007599 discharging Methods 0.000 title description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 238000007789 sealing Methods 0.000 claims description 22
- 230000006835 compression Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 239000002775 capsule Substances 0.000 description 19
- 238000000034 method Methods 0.000 description 11
- 239000000758 substrate Substances 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000007704 transition Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 230000036772 blood pressure Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 206010008111 Cerebral haemorrhage Diseases 0.000 description 1
- 206010020772 Hypertension Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
- F04B45/04—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
- F04B45/047—Pumps having electric drive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/08—Actuation of distribution members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
- F04B39/102—Adaptations or arrangements of distribution members the members being disc valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
- F04B45/04—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
- F04B45/045—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms with in- or outlet valve arranged in the plate-like pumping flexible members
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
An air supply device an inflation and deflation type air pump with an air supply device and an electronic sphygmomanometer comprising the air pump. The air supply device (4) comprises a bag body (41) and a supporting structure (43) arranged below the bag body (41). The bag body (41) comprises a bag cavity (411) with an upward opening, an air inlet (412), an air inlet valve plate (413) arranged at the air inlet (412), an air outlet (414), an air outlet valve plate (415) arranged at the air outlet (414) and an air outlet (416). An air outlet channel is arranged between the bag body (41) and the supporting structure (43), and the air outlet channel is communicated with the air outlet port (416). When the stretching volume of the bag cavity (41) is increased, the air inlet valve plate (413) is opened, and external air enters the bag cavity (41) after passing through the air inlet; when the compression volume of the bag cavity (41) is reduced, the air inlet valve plate (413) is closed, the air outlet valve plate (415) is opened, and the air in the bag cavity (41) enters the air outlet channel through the air outlet (414) and is discharged through the air outlet (416). Therefore, the bag body is provided with a plurality of parts, an air inlet valve mechanism and an air outlet valve mechanism are not required to be additionally and independently arranged, the parts are few, the assembly is easy, the cost is low, and the electronic sphygmomanometer is not required to be independently provided with an air release valve, and has low energy consumption and high performance.
Description
Technical Field
The application relates to the technical field of pumps, in particular to an air supply device, an air charging and discharging type air pump and an electronic sphygmomanometer.
Background
The miniature air pump is a pump with reduced volume, the volume of the miniature air pump depends on the volume of each component part of the miniature air pump, and the miniature air pump is widely applied to the technical fields of medical appliances and the like. The miniature air pump is an essential component of the electronic sphygmomanometer. The existing miniature air pump generally comprises a motor, a valve mechanism, an air supply air bag, a linkage rod for driving the piston of the air supply air bag to move, and a push rod, wherein the valve mechanism comprises a valve seat, an air inlet valve plate, an air outlet valve plate and the like. The motor drives the linkage rod to eccentrically rotate to push the push rod to drive the air supply air bag to move up and down, so that the volume in the cavity of the air bag is changed, and air supply of the pump is realized. Because the existing miniature air pump has more and tiny components, the production cost is high, the assembly is complex, and the volume of the miniature air pump is increased to a certain extent by a plurality of components.
The electronic sphygmomanometer is an important tool for measuring blood pressure, and has an important function for preventing diseases such as cerebral hemorrhage caused by hypertension. Electronic blood pressure meters generally include: the pressure sensor is connected with the miniature air pump, and the main components such as the pressure sensor and the measuring cuff are connected with the miniature air pump. The miniature air pump of the general electronic sphygmomanometer only has an inflation function and does not have an exhaust function, and a pressure release valve is required to be additionally arranged to complete the deflation process. Because the pressure release valve is always electrified to work in the whole blood pressure measurement process, the power consumption of the sphygmomanometer is increased, electromagnetic interference can be generated, and the measurement accuracy is affected. The volume of the electronic sphygmomanometer depends on the volume of each component, and additionally, the pressure relief valve is arranged to enable the sphygmomanometer to have the advantages of more parts, large occupied space, high production cost and complex assembly, and the volumes of the air pump and the electronic sphygmomanometer are increased to a certain extent by the components.
In order to solve the problems, the application provides an air supply device, an air inflation and exhaust type air pump and an electronic sphygmomanometer with low energy consumption and high performance, which are fewer in parts, easy to assemble and simple in production procedure.
Disclosure of Invention
The purpose of the present application is to provide an air supply device, an air pump, and an electronic sphygmomanometer with low energy consumption and high performance, which have few parts, are easy to assemble, and have simple production procedures.
In order to achieve the above object, the present application provides an air supply device including a bladder and a support structure disposed under the bladder. The bag body comprises a bag cavity with an upward opening, an air inlet valve plate arranged at the air inlet, an air outlet valve plate arranged at the air outlet and an air outlet. An air outlet channel is arranged between the bag body and the supporting structure and is communicated with the air outlet. When the stretching volume of the bag cavity is increased, the air inlet valve plate is opened, and external air enters the bag cavity after passing through the air inlet; when the compressed volume of the bag cavity is reduced, the air inlet valve plate is closed, the air outlet valve plate is opened, and the air in the bag cavity enters the air outlet channel through the air outlet and is discharged through the air outlet.
Preferably, the bag body comprises a substrate, and the bag cavity, the air inlet, the air outlet and the air outlet are arranged on the substrate at intervals.
Preferably, the bag body comprises a substrate, the bag cavity, the air outlet and the air outlet are arranged on the substrate at intervals, and the air inlet is arranged at the bottom of the bag cavity.
Preferably, the supporting structure is provided with a propping column propping against the air outlet valve plate, and the propping column is arranged below the air outlet valve plate.
Preferably, the air outlet channel is arranged on the supporting structure and the substrate, and the propping column is arranged in the air outlet channel.
Preferably, the air supply device further comprises a cover body pressed on the bag body, the cover body protrudes downwards to form a positioning column, the positioning column is inserted into the bag cavity, and the bottom surface of the positioning column is an inclined surface.
The utility model also provides an inflation and deflation formula air pump, including motor, the cylinder body of connection motor, link mechanism and above-mentioned air supply device, air supply device's bag body detachably connects in link mechanism, thereby the motor is connected and drive link mechanism drive bag body is by tensile or compression realization bag chamber inhale and exhaust.
Preferably, the connecting rod mechanism comprises a mounting plate and a connecting shaft, the mounting plate is provided with a connecting part connected with the lower end of the capsule body, and the connecting part is arranged on the mounting plate at a preset inclination angle.
Preferably, the air charging and discharging type air pump further comprises an air discharging mechanism, wherein the air discharging mechanism comprises a sealing seat and a fixed elastic sheet, and the sealing seat is arranged at the air discharging port.
Preferably, the fixed spring plate is provided with a fixed part and a rebound part.
The application also provides an electronic sphygmomanometer comprising the inflation and deflation type air pump.
Compared with the prior art, the air supply device, the air charging and discharging type air pump and the electronic sphygmomanometer have the following advantages:
1. the bag body comprises a bag cavity with an upward opening, an air inlet valve plate arranged at the air inlet, an air outlet valve plate arranged at the air outlet and an air outlet, and the air outlet, so that the integration of the air inlet and outlet valve and the bag body is realized, the air pump components, the production procedures and the assembly procedures are reduced, and the cost is saved.
2. The supporting structure is provided with a propping column propping against the air outlet valve block, and the air outlet valve block is propped against the air outlet valve block, so that the air outlet valve block is sealed with the air outlet, and the air backflow is prevented.
3. The locating column inserts and locates the bag chamber, and the bottom surface of locating column is an inclined plane, when the bag body was extrudeed, makes the gas compression ratio in the bag chamber improve, and gas is extruded more easily, and the air output is big.
4. The connecting portion of connecting the bag body lower extreme sets up in the mounting panel with predetermineeing inclination, and connecting portion medial surface is the conical surface, and the connecting hole lateral surface of bag body lower extreme is the conical surface, connecting portion medial surface and connecting hole lateral surface matchedly connect, and the bag body is leaned inwards after the installation for the deflection reduces when the bag chamber is compressed, drives more easily, reduces driving motor electric current.
5. The air pump is characterized by further comprising an air exhausting mechanism, wherein the air exhausting mechanism comprises a sealing seat arranged at the air exhaust port and a fixed elastic sheet, the fixed elastic sheet is used for fixing the sealing seat and is provided with a fixing part and a rebound part, and when the air pump is inflated, the fixed elastic sheet has the functions of buffering, damping and double sealing; when the exhaust is carried out, the fixed spring piece is reset to facilitate the air release.
6. The electronic sphygmomanometer does not need to be provided with a release valve independently, so that the power consumption of the sphygmomanometer is reduced, the electromagnetic interference is reduced, and the measurement accuracy of the sphygmomanometer is improved.
Drawings
Fig. 1 is a perspective view of an embodiment of the inflation and deflation type air pump of the present application.
Fig. 2 is an exploded view of the charge-discharge type air pump shown in fig. 1.
Fig. 3 is an exploded view of the charge-discharge air pump of fig. 1 at another angle.
Fig. 4 is a cross-sectional view of the charge-discharge air pump shown in fig. 1.
Fig. 5 is another cross-sectional view of the charge-discharge air pump shown in fig. 1.
Fig. 6 is an exploded view of another embodiment of the inflation and deflation type air pump of the present application.
Fig. 7 is an exploded view of the inflation and deflation type air pump shown in fig. 6 at another angle.
Fig. 8 is a cross-sectional view of the charge-discharge air pump shown in fig. 6.
FIG. 9 shows the balloon and the balloon of FIG. 6 an exploded view of the connection mechanism.
Fig. 10 is a cross-sectional view of the bladder of fig. 6 after being coupled to a coupling mechanism.
Symbol description
An inflation and deflation type air pump 100; a motor 1; a threaded hole 11; a drive shaft 12; a cylinder 2; a screw 21; a positioning groove 22; an air intake groove 23; a link mechanism 3; a mounting plate 31; a connecting shaft 32; a mounting notch 33; a mounting hole 34; a connection portion 35; a connection hole 36; an air supply device 4; a bladder 41; a substrate 410; a capsule 411; an air inlet 412; an intake valve sheet 413; an air outlet 414; an air outlet valve block 415; an exhaust port 416; a cover 42; an inflatable column 420; an air inlet channel 421; a gas outlet tank 422; a gas charging duct 423; positioning posts 424; an inclined surface 425; a positioning member 426; a hook 427; a catch 428; a support structure 43; a first outlet channel 431; a second outlet channel 432; an air inlet 433; a receiving hole 434; a support post 435; an airway 436; an exhaust mechanism 5; a seal seat 51; a fixed spring piece 52; a seal post 53; a fixing portion 54; a rebound part 55; a recess 56; a convex portion 57; a driving member 6; a first driving section 61; a second driving section 62; a drive slot 63; a driving rib 64; a transition surface 65.
Detailed Description
For a detailed description of technical content and constructional features of the present application, the following is further described with reference to the embodiments in conjunction with the accompanying drawings.
As shown in fig. 1 to 5, the present application provides an air pump 100 for charging and discharging air, which includes a motor 1, a cylinder 2 connected to the motor 1, a link mechanism 3, an air supply device 4, and an air discharge mechanism 5. The upper end of the motor 1 is in threaded connection with the lower end of the cylinder body 2, specifically, a threaded hole 11 is formed in the upper end of the motor 1, a screw 21 is fixed at the lower end of the cylinder body 2, and the motor 1 is in threaded connection with the cylinder body 2. The motor 1 drives the link mechanism 3 via the driver 6 to drive the air supply device 4 or the air discharge mechanism 5. The driving member 6 has at least two driving parts, and the motor 1 drives the link mechanism 3 through the at least two driving parts respectively to drive the air supply device 4 to realize the air charging process or drive the air discharging mechanism 5 to realize the air discharging process.
Referring to fig. 2 to 5 again, the air supply device 4 includes a bag 41, a cover 42 crimped on the bag 41, and a supporting structure 43 disposed below the bag 41. The bag body 41 comprises a bag cavity 411 with an upward opening, an air inlet 412, an air inlet valve plate 413 arranged at the air inlet 412, an air outlet 414, an air outlet valve plate 415 arranged at the air outlet 414 and an air outlet 416. Preferably, the capsule 41 includes a substrate 410, and the capsule cavity 411, the air inlet 412, the air outlet 414, and the air outlet 416 are disposed on the substrate 410 at intervals. Specifically, an air inlet 412 and an air outlet 414 formed on the surface of the substrate 410 are recessed relative to the substrate 410, an air inlet valve plate 413 is disposed on the bottom cover of the air inlet 412, and an air outlet valve plate 415 is disposed on the top cover of the air outlet 414. The cover 42 includes an upwardly protruding air column 420, an air inlet 421 provided with a communicating air inlet 412 and a bag cavity 411, and an air outlet slot 422 matched with the air outlet 414 on the bag 41, the air outlet slot 422 communicates the bag cavity 411 and the air outlet 414, and the air column 420 has an air channel 423 communicating the air outlet 416. An air outlet channel is provided between the bladder 41 and the support structure 43, the air outlet channel being in communication with the air outlet port 416. It will be appreciated that the bladder 41 is made of a deformable material such as silicone or rubber. More specifically, the cover 42 protrudes downward to form a positioning column 424, and the positioning column 424 is inserted into the capsule 411, so as to connect the cover 42 and the capsule 41, and the bottom surface of the positioning column 424 is an inclined surface 425. More specifically, the air inlet 421 communicating the air inlet 412 with the air outlet 414 is disposed on the lower surface of the cover 42 and extends to the sidewall of the positioning column 424, and the air outlet 422 communicating the air outlet 414 with the air inlet 411 is disposed on the bottom surface of the positioning column 424 and extends to the air outlet 414. Therefore, under the drive of the motor 1, the link mechanism 3 stretches the capsule 41 downwards, the volume of the capsule 411 increases, the air inlet valve plate 413 is opened, and external air enters the air inlet channel 421 through the air inlet 412 and then enters the capsule 411; when the link mechanism 3 presses the bag body 41 upward, the compressed volume of the bag cavity 411 is reduced, the air inlet valve plate 413 is closed, the air outlet 414 is opened by the air outlet valve plate 415, and the air in the bag cavity 411 reaches the air outlet 414 from the air outlet groove 422, reaches the air outlet 416 through the air outlet channel, and is discharged from the air charging channel 423.
More specifically, the gas outlet channels include a first gas outlet channel 431 open on the upper surface of the support structure 43 and a second gas outlet channel 432 open on the base plate 410 of the capsule 41. The support structure 43 has an air inlet 433 and a receiving hole 434, the air inlet 433 is opposite to the air inlet 413, and the receiving hole 434 is used for receiving the cavity 411 of the capsule 41. The supporting structure 43 is provided with an propping column 435 propping against the ejection air valve 415, the propping column 435 is arranged below the air outlet valve 415, and the propping column 435 is arranged in the first air outlet channel 431.
Preferably, the driving member 6 has a first driving portion 61 and a second driving portion 62, and the second driving portion 62 is higher than the first driving portion 61. Further, the driving shaft 12 of the motor 1 is connected to the driving tool 6, and the link mechanism 3 is driven by the driving tool 6 to drive the air supply device 4 or the air discharge mechanism 5. The driving is performed by the driver 6, and the switching contact between the first driving portion 61 and the second driving portion 62 is performed. The driving piece 6 is provided with a driving groove 63, a driving rib 64 is arranged in the driving groove 63, two side walls of the driving rib 64 respectively form a first driving part 61 and a second driving part 62, the bottom surface of the driving groove 63 is a transition surface 65, the first driving part 61 and the second driving part 62 are in transition connection through the transition surface 65, and as can be understood, the transition surface 65 is inclined and has different heights.
Referring again to fig. 2-5, the support structure 43 is provided with an airway 436 corresponding to the exhaust port 416. The exhaust mechanism 5 includes a seal seat 51 and a fixing spring piece 52 disposed at the air passage 436, the seal seat 51 protrudes upward by a seal post 53, and the fixing spring piece 52 has a fixing portion 54 and a rebound portion 55. The sealing post 53 is inserted into the air passage 436, and the fixed spring plate 52 is sleeved on the sealing post 53 to constantly open the air passage 436 by the sealing seat 51. Preferably, the bottom end of the sealing seat 51 has a concave portion 56, and the top end of the sealing post 53 has a convex portion 57. When the first driving part 61 abuts against and drives the link mechanism 3, the fixed elastic sheet 52 constantly moves the sealing seat 51 downwards to open the air passage 436, so as to realize air exhaust; when the motor 1 rotates reversely, the second driving part 62 abuts against and drives the link mechanism 3, the sealing seat 51 and the fixed elastic sheet 52 move up to seal the air passage 436, and simultaneously the link mechanism 3 drives the air supply device 4 to realize the air charging process.
As shown in fig. 2-3, the link mechanism 3 comprises a mounting plate 31 and a connecting shaft 32 connected with the mounting plate 31, the top of the connecting shaft 32 is in contact with a concave part 56 of the sealing seat 51, and a mounting hole 34 with a mounting notch 33 is formed in the mounting plate 31. The lower end of the capsule 411 is inserted into the accommodating hole 434 of the supporting structure 43 and is mounted in the mounting hole 34 on the mounting plate 31 from the mounting notch 33, and the mounting notch 33 facilitates the mounting of the capsule 41. Preferably, the number of the pockets 411 is plural, and correspondingly, the number of the accommodating holes 434, the air inlet 433, the air inlet 412, the air inlet valve plate 413, the air outlet 414, the air outlet valve plate 415, the air inlet 421, the air outlet channel, etc. is plural, as shown in fig. 2-3, but not limited thereto. The peripheral wall of the cover 42 is provided with a positioning member 426, the tail end of the positioning member 426 is provided with a clamping hook 427, the peripheral wall of the cylinder 2 is provided with a positioning groove 22, and the positioning groove 22 is internally provided with a clamping protrusion 428 in a protruding way. The positioning member 426 is inserted into the positioning groove 22 so that the hooks 427 are engaged with the locking protrusions 428, thereby fixing the cover 42, the bag 41, the support structure 43 and the cylinder 2. The lower end of the support structure 43 narrows inwardly and is inserted into the upper end of the cylinder 2, facilitating a fixed connection between the support structure 43 and the cylinder 2. The bottom of the cylinder body 2 is provided with an air inlet groove 23, and the air inlet 433 is communicated with the outside through the inside of the cylinder body 2 and the air inlet groove 23.
Therefore, when air is required to be supplied, the motor 1 abuts against the connecting shaft 32 through the second driving part 62 of the driving member 6, so as to drive the link mechanism 3, the link mechanism 3 is in a high position, the fixed elastic sheet 52 sleeved on the sealing post 53 is compressed, the top end of the sealing post 53 seals the air outlet 416, and meanwhile, the sealing seat 51 seals the air passage 436, so that the plurality of capsules 411 are stretched or compressed successively. When the bag cavity 411 is stretched, the volume of the bag cavity 411 increases and the air pressure decreases, and under the blowing of the air flow, the air inlet valve plate 413 is opened, and the external air sequentially passes through the air inlet groove 23, the air inlet 433, the air inlet 412 and the air inlet channel 421 and then enters the bag cavity 411. When the bladder cavity 411 is compressed, the volume of the bladder cavity 411 is reduced, the air pressure in the bladder cavity 411 is increased, the air inlet valve plate 413 is closed, the air passes through the air outlet groove 422, the air outlet valve plate 415 is opened against the thrust of the supporting column 435 under the action of the air, and then the air enters the inflated air bag from the inflation channel 423 through the first air outlet channel 431, the second air outlet channel 432 and the air outlet 416 to inflate the inflated air bag. When the motor 1 is required to exhaust, the connecting shaft 32 moves along the inclined plane, the first driving part 61 abuts against the connecting shaft 32, the connecting rod mechanism 3 is in a low position, and the fixed elastic sheet 52 enables the sealing seat 51 and the sealing post 53 to move downwards, so that gas is sequentially discharged from the exhaust port 416, the inside of the cylinder body 2 and the air inlet groove 23 through the air charging passage 423.
Fig. 6-8 show another embodiment of the inflation and deflation type air pump 100, in this embodiment, the lower end of the bag cavity 411 of the bag body 41 is in a straight cylinder shape, the bag cavity 411, the air outlet 414 and the air outlet 416 are arranged on the base plate 410 at intervals, and the air inlet 412 is arranged at the bottom of the bag cavity 411. Furthermore, the link mechanism 3 includes a mounting plate 31 and a connecting shaft 32, the mounting plate 31 has a connecting portion 35 connected to the lower end of the capsule 41, and the connecting portion 35 is disposed on the mounting plate 31 at a predetermined inclination angle. Preferably, as shown in fig. 9-10, the inner side surface of the connecting portion 35 is a conical surface, the outer side surface of the connecting hole 36 at the lower end of the capsule 41 is a conical surface, the inner side surface of the connecting portion 35 is connected with the outer side surface of the connecting hole 36 in a matching manner, and the connecting portion 35 is mounted on the connecting hole 36 to enable the capsule 41 to incline inwards, so that the deformation amount of the capsule 411 is reduced when the capsule is compressed, the driving is easier, and the driving motor current is reduced. In this embodiment, other structures except for the above structure are the same as those of the previous embodiment, and will not be described here again.
The application also provides an electronic sphygmomanometer comprising the inflation and deflation type air pump 100. Specifically, the inflation column 420 of the air pump is connected with the air bag, the pressure sensor and the slow air leakage valve (the electronic sphygmomanometer adopting the booster measurement mode does not need the slow air leakage valve), thereby forming an airtight system of the electronic sphygmomanometer. Other structures of the electronic sphygmomanometer are well known and will not be described in detail herein.
Compared with the prior art, the air supply device 4, the air charging and discharging type air pump 100 and the electronic sphygmomanometer have the following advantages:
1. the bag body comprises a bag cavity with an upward opening, an air inlet valve plate arranged at the air inlet, an air outlet valve plate arranged at the air outlet and an air outlet, and the air outlet, so that the integration of the air inlet and outlet valve and the bag body is realized, the air pump components, the production procedures and the assembly procedures are reduced, and the cost is saved.
2. The supporting structure is provided with a propping column propping against the air outlet valve block, and the air outlet valve block is propped against the air outlet valve block, so that the air outlet valve block is sealed with the air outlet, and the air backflow is prevented.
3. The locating column inserts and locates the bag chamber, and the bottom surface of locating column is an inclined plane, when the bag body was extrudeed, makes the gas compression ratio in the bag chamber improve, and gas is extruded more easily, and the air output is big.
4. The connecting portion of connecting the bag body lower extreme sets up in the mounting panel with predetermineeing inclination, and connecting portion medial surface is the conical surface, and the connecting hole lateral surface of bag body lower extreme is the conical surface, connecting portion medial surface and connecting hole lateral surface matchedly connect, and the bag body is leaned inwards after the installation for the deflection reduces when the bag chamber is compressed, drives more easily, reduces driving motor electric current.
5. The air pump is characterized by further comprising an air exhausting mechanism, wherein the air exhausting mechanism comprises a sealing seat arranged at the air exhaust port and a fixed elastic sheet, the fixed elastic sheet is used for fixing the sealing seat and is provided with a fixing part and a rebound part, and when the air pump is inflated, the fixed elastic sheet has the functions of buffering, damping and double sealing; when the exhaust is carried out, the fixed spring piece is reset to facilitate the air release.
6. The electronic sphygmomanometer does not need to be provided with a release valve independently, so that the power consumption of the sphygmomanometer is reduced, the electromagnetic interference is reduced, and the measurement accuracy of the sphygmomanometer is improved.
The foregoing disclosure is only illustrative of the preferred embodiments of the present application and is not intended to limit the scope of the claims hereof, as defined by the equivalents of the claims.
Claims (12)
1. The air supply device is characterized by comprising a bag body and a supporting structure arranged below the bag body, wherein the bag body comprises a bag cavity with an upward opening, an air inlet valve plate arranged at the air inlet, an air outlet valve plate arranged at the air outlet and an air outlet valve plate arranged at the air outlet; when the compressed volume of the bag cavity is reduced, the air inlet valve plate is closed, the air outlet valve plate is opened, and the air in the bag cavity enters the air outlet channel through the air outlet and is discharged through the air outlet.
2. An air supply device according to claim 1, wherein the bag body comprises a base plate, and the bag chamber, the air inlet, the air outlet and the air outlet are arranged on the base plate at intervals.
3. The air supply device according to claim 1, wherein the bag body comprises a base plate, the bag cavity, the air outlet and the air outlet are arranged on the base plate at intervals, and the air inlet is arranged at the bottom of the bag cavity.
4. A gas supply apparatus according to claim 2 or 3, wherein the support structure is provided with a support column for supporting the gas outlet valve plate, and the support column is disposed below the gas outlet valve plate.
5. A gas delivery device as set forth in claim 4, wherein the gas outlet channel is open on the support structure and the base plate, and the abutment post is disposed in the gas outlet channel.
6. A gas supply device according to claim 2 or 3, further comprising a cover body pressed on the bag body, wherein the cover body protrudes downwards to form a positioning column, the positioning column is inserted into the bag cavity, and the bottom surface of the positioning column is an inclined surface.
7. An inflation and deflation type air pump, which is characterized by comprising a motor, a cylinder body connected with the motor, a connecting rod mechanism and the air supply device of any one of claims 1-6, wherein a bag body of the air supply device is detachably connected with the connecting rod mechanism, and the motor is connected with and drives the connecting rod mechanism so as to drive the bag body to be stretched or compressed to realize the air suction and the air exhaustion of the bag cavity.
8. The inflation and deflation type air pump according to claim 7, wherein the link mechanism comprises a mounting plate and a connecting shaft, the mounting plate is provided with a connecting part connected with the lower end of the bag body, and the connecting part is arranged on the mounting plate at a preset inclination angle.
9. The inflation and deflation air pump of claim 8, wherein the connection portion is tapered.
10. The inflation and deflation type air pump of claim 7, further comprising an deflation mechanism comprising a sealing seat and a fixed spring disposed at the deflation port.
11. The inflation and deflation type air pump of claim 10, wherein the fixed spring has a fixed portion and a rebound portion.
12. An electronic sphygmomanometer comprising the inflation and deflation type air pump according to any one of claims 7 to 11.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021115369451 | 2021-12-15 | ||
| CN202111536945.1A CN114060258A (en) | 2021-12-15 | 2021-12-15 | Air supply device, air inflation and exhaust type air pump and electronic sphygmomanometer |
| PCT/CN2022/127107 WO2023109317A1 (en) | 2021-12-15 | 2022-10-24 | Air supply apparatus, inflation and deflation type air pump, and electronic sphygmomanometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220791460U true CN220791460U (en) | 2024-04-16 |
Family
ID=80229558
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111536945.1A Withdrawn CN114060258A (en) | 2021-12-15 | 2021-12-15 | Air supply device, air inflation and exhaust type air pump and electronic sphygmomanometer |
| CN202290000196.2U Active CN220791460U (en) | 2021-12-15 | 2022-10-24 | Air supply device, air charging and discharging type air pump and electronic sphygmomanometer |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111536945.1A Withdrawn CN114060258A (en) | 2021-12-15 | 2021-12-15 | Air supply device, air inflation and exhaust type air pump and electronic sphygmomanometer |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN114060258A (en) |
| WO (1) | WO2023109317A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060258A (en) * | 2021-12-15 | 2022-02-18 | 杨海斌 | Air supply device, air inflation and exhaust type air pump and electronic sphygmomanometer |
| CN217682211U (en) * | 2022-07-27 | 2022-10-28 | 杨海斌 | Air pump main body, air pump and sphygmomanometer |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE602004001039T2 (en) * | 2004-03-05 | 2007-01-11 | Tricore Corp. | Improved air pump |
| CN203570549U (en) * | 2013-11-19 | 2014-04-30 | 厦门坤锦电子科技有限公司 | Novel vacuum pump |
| CN209261783U (en) * | 2018-11-01 | 2019-08-16 | 厦门科际精密器材有限公司 | Minipump |
| CN112302916A (en) * | 2019-07-31 | 2021-02-02 | 厦门科际精密器材有限公司 | Pumping device for miniature air pump and miniature air pump |
| CN113482896A (en) * | 2021-08-17 | 2021-10-08 | 杨海斌 | Air supply device and micro air pump with same |
| CN113565744A (en) * | 2021-08-17 | 2021-10-29 | 杨海斌 | Air inflation and exhaust integrated air pump and electronic sphygmomanometer comprising same |
| CN114060258A (en) * | 2021-12-15 | 2022-02-18 | 杨海斌 | Air supply device, air inflation and exhaust type air pump and electronic sphygmomanometer |
-
2021
- 2021-12-15 CN CN202111536945.1A patent/CN114060258A/en not_active Withdrawn
-
2022
- 2022-10-24 WO PCT/CN2022/127107 patent/WO2023109317A1/en active Application Filing
- 2022-10-24 CN CN202290000196.2U patent/CN220791460U/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN114060258A (en) | 2022-02-18 |
| WO2023109317A1 (en) | 2023-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220791460U (en) | Air supply device, air charging and discharging type air pump and electronic sphygmomanometer | |
| US11517208B2 (en) | Single-arm micro air-pressure pump device | |
| CN103767695A (en) | Vent valve, integrated air pump and electronic sphygmomanometer | |
| CN106691422B (en) | Be applied to sphygmomanometer's valve, integrated air pump and electronic sphygmomanometer | |
| CN113565744A (en) | Air inflation and exhaust integrated air pump and electronic sphygmomanometer comprising same | |
| WO2023072001A1 (en) | Inflating and deflating air pump, and electronic sphygmomanometer having said air pump | |
| CN215890399U (en) | Air inflation and exhaust integrated air pump and electronic sphygmomanometer comprising same | |
| CN215959852U (en) | Inflation and deflation valve, air pump and electronic sphygmomanometer | |
| CN209003982U (en) | A kind of novel internal diameter adjustable arm cartridge type electronic sphygmomanometer | |
| CN213016733U (en) | Diaphragm pump with quick exhaust valve | |
| CN115288989A (en) | Air inflation and deflation integrated air pump | |
| CN113482896A (en) | Air supply device and micro air pump with same | |
| CN215979814U (en) | Air supply device and micro air pump with same | |
| CN221120231U (en) | Integrated inflation and deflation integrated pump and sphygmomanometer | |
| CN215860731U (en) | Air supply device and micro air pump with same | |
| CN214366582U (en) | Bidirectional inflating hand inflator | |
| CN220025033U (en) | Inflation and deflation valve and sphygmomanometer with same | |
| CN219974755U (en) | Air pump main body, air pump and sphygmomanometer | |
| CN219733589U (en) | Gas control mechanism and sphygmomanometer | |
| CN217682211U (en) | Air pump main body, air pump and sphygmomanometer | |
| CN201326531Y (en) | Electric inflator | |
| CN217040114U (en) | Mechanical pressure release valve and electronic sphygmomanometer | |
| CN215633678U (en) | Miniature air pump | |
| CN212165775U (en) | Gas circuit structure, inflator pump and electronic sphygmomanometer | |
| CN203693583U (en) | Air vent valve, integrated air pump and electronic sphygmomanometer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |