CN100342292C - Flow regulating apparatus - Google Patents
Flow regulating apparatus Download PDFInfo
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- CN100342292C CN100342292C CNB2004100954815A CN200410095481A CN100342292C CN 100342292 C CN100342292 C CN 100342292C CN B2004100954815 A CNB2004100954815 A CN B2004100954815A CN 200410095481 A CN200410095481 A CN 200410095481A CN 100342292 C CN100342292 C CN 100342292C
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- flow regulator
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- 230000001105 regulatory effect Effects 0.000 title 1
- 239000012530 fluid Substances 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims description 31
- 230000000694 effects Effects 0.000 claims description 9
- 210000000707 wrist Anatomy 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000006837 decompression Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Magnetically Actuated Valves (AREA)
- Flow Control (AREA)
Abstract
A flow regulator to reduce cost by simplifying a structure. An exhauster 20 for a sphygmomanometer has a sub-housing 22 for forming a flow port 28 for flowing fluid, a valve element 27 arranged in a main housing 21 joined to this sub-housing (22) and adjusting a flow rate of air flowing in the flow port by opening and closing the flow port, a permanent magnet 25 arranged in the main housing and generating a line of magnetic force, and a driving coil 26 arranged in the main housing and performing closing operation or opening operation by driving the valve element along the axis O1 by electromagnetic force generated when an electric current crosses the line of magnetic force. The permanent magnet 25 is arranged on one side to the axis O1 of the valve element. The driving coil 26 is oppositely arranged to the permanent magnet in a state of positioning the axis O2 on the other one side to the axis O1 of the valve element.
Description
Technical field
The present invention relates to be applicable to, for example, the sphygmomanometer flow regulator of exhaust apparatus, and relate to the sphygmomanometer of using this flow regulator.
Background technology
Proposed various schemes for sphygmomanometer, wherein had, make pressure in the ligature be increased to setting after, slowly reduce this pressure, in this decompression process, measure everyone pressure value.Fig. 9 represents, is used for reducing at leisure the employed sphygmomanometer exhaust apparatus of pressure in the ligature in above-mentioned sphygmomanometer, and it is introduced in patent documentation 1.
This sphygmomanometer comprises with the formation of exhaust apparatus 100: the shell 102 that connects ligature and pump by communication port 101; Open and close the driving shaft 105 of the communication port nose 104 of communication port 101 by valve body 103; Drive the drive coil 106 of driving shaft 105 to the last direction of Fig. 9 with electromagnetic force.
Around the drive coil 106 that drives driving shaft 105 york piece 107 and plate 108 (all being magnetic) are arranged, this york piece 107 and plate 108 are by permanent magnet 109 excitations.In addition, driving shaft 105 at distolateral and another distolateral two ends of separating vertically, is driven by driver part 110,111 and is bearing on the shell 102.Driving shaft 105 is driven by the following direction of this driver part 110,111 to Fig. 9.
When stating sphygmomanometer in the use and carrying out blood pressure measurement, at first, in drive coil 106, flow rated current and produce electromagnetic force with exhaust apparatus 100, by this electromagnetic force to the mobile driving shaft 105 in the top of Fig. 9.Like this, just the valve body 103 on driving shaft 105 tops is crimped on the communication port nose 104, thereby communication port 101 is fully by valve body 103 obturations.
Then, make the pump action at this state, air supply pressurizes to ligature in ligature, is transferred to the decompression process of ligature afterwards.At this moment, the electric current by slowly reducing to supply with to drive coil 106 weakens the electromagnetic force that drive coil 106 produces.Like this, driving shaft 105 is moved to the following direction of Fig. 9 by the driving force of driver part 110 and 111, and communication port nose 104 is slowly opened by valve body 103, and the air in the ligature enters the atmosphere with dead slow speed in shell 102 by communication port 101.In the decompression process in the ligature that causes by this dead slow speed exhaust, measure everyone blood pressure.
No. 3029073 communique of [patent documentation] special permission.
; use in the exhaust apparatus 100 at above-mentioned sphygmomanometer; make drive coil 106 whole crosscuts at york piece 107 and 108 mobile magnetic lines of force of plate and at the both sides of drive coil 106 configuration york piece 107 and plate 108; thereby; sphygmomanometer is raised the cost with the complex structure of exhaust apparatus 100, also cause sphygmomanometer to maximize with exhaust apparatus 100.
In addition, the driver part 110,111 that applies depended on pressure to driving shaft 105 is configured in the axial both sides of driving shaft 105 respectively, and therefore, the number of spare parts of driver part increases, and causes complex structure, cost to increase.
Summary of the invention
The present invention uses for reference the problems referred to above, the flow regulator that purpose provides can simplified structure, reduce cost.
A first aspect of the present invention is a kind of flow regulator, and it has: the shell that forms the mobile communication port of fluid; Be arranged in this shell, regulate the valve body of the flow that flows through the fluid in this communication port by opening and closing above-mentioned communication port; Be provided in the above-mentioned shell, produce the magnet of the magnetic line of force; Be provided in the above-mentioned shell, utilize the electromagnetic force that when electric current crosses the above-mentioned magnetic line of force, produces to drive above-mentioned valve body and move, close the drive coil of action or action along its axle center.In this flow regulator, it is one-sided that the axle center of the above-mentioned relatively valve body of above-mentioned magnet is configured in a side, and above-mentioned drive coil is positioned at the one-sided state of the opposing party with the axle center of the above-mentioned relatively valve body in its axle center, dispose relative with above-mentioned magnet.
A second aspect of the present invention is, in the described invention of first aspect, above-mentioned drive coil all is bearing on the shell by pressured parts are pressured on its axial optional position, and it is opposite with the electromagnetic force direction that produced by this drive coil that above-mentioned pressured parts act on the depended on pressure on the above-mentioned drive coil.
A third aspect of the present invention is that in the described invention of second aspect, the pressured parts of the above-mentioned drive coil of pressured supporting on shell have as the function that is used for the lead of streaming current in above-mentioned drive coil.
A fourth aspect of the present invention is, in the described invention of second aspect, a pair of above-mentioned driver part arranged, and it is formed by the linking part that can cut off after being installed on the drive coil.
A fifth aspect of the present invention is, in the described invention of the third aspect, a pair of above-mentioned driver part arranged, and it is formed by the linking part that can cut off after being installed on the drive coil.
A sixth aspect of the present invention is, during described each invented aspect first～the 5th, above-mentioned drive coil, axial one distolaterally is bearing on the shell by pressured by pressured parts, another distolateral sliding part that connects by sliding over each other and slipping plane sliding bearing are on above-mentioned shell, and a side of above-mentioned sliding part and above-mentioned slipping plane is located on the above-mentioned drive coil, and the opposing party is located on the above-mentioned shell, and the part of this sliding part and slipping plane contacts.
A seventh aspect of the present invention is, aspect the 6th in the described invention, either party of above-mentioned sliding part and above-mentioned slipping plane forms taper and utilize a part to contact with the opposing party.
A eighth aspect of the present invention is, for first～the 5th aspect, described each invention in the 7th aspect, as the sphygmomanometer exhaust apparatus that the air of supplying with in the ligature at positions such as people's arm and wrist at wraparound is carried out exhaust.
A ninth aspect of the present invention has been to use the sphygmomanometer of the flow regulator of first～the 5th aspect, described each invention in the 7th aspect.
According to the described invention in the first, the 8th or the 9th aspect, it is one-sided that the axle center of the relative valve body of magnet is configured in a side, and this drive coil is positioned at another one-sided state with the central shaft of drive coil and is configured, therefore, drive coil is the part crosscut magnetic line of force relative with magnet just, produces electromagnetic force.Therefore, and at the both sides of drive coil distributed magnet or be fixed on the magnetic on the magnet so that the structure of the magnetic line of force of the whole crosscut magnet of drive coil is compared, simple structure can reduce cost, and can realize miniaturization simultaneously.
According to the described invention in second, eight or nine aspects, drive coil is bearing on the shell by pressured parts depended on pressure in axial position arbitrarily, like this, compare by the pressured structure that is bearing on the shell of pressured parts in two positions axially leaving with drive coil, reduce the part number of pressured parts, can oversimplify by implementation structure, can reduce cost.
According to the described invention in the 3rd, eight or nine aspects, the pressured parts of pressured supporting drive coil on shell have the lead function as the electric current that is used for flowing in drive coil, therefore, just do not need special wire, reduce number of spare parts, can reduce cost.
According to fourth, fifth, seven or the described invention of eight aspect, by the linking part that can cut off behind the drive coil a pair of pressured parts that are shaped integratedly are being installed, therefore, can make a pair of pressured parts as a part, can be installed on the pressured coil with this state, thereby, can improve the installation accuracy of a pair of pressured parts, this installation exercise is oversimplified.
According to the described invention in the 6th, seven, eight or nine aspects, sliding part and slipping plane that the slip of the other end side of drive coil is bearing on the shell form a part of contacting structure, therefore, can more effectively reduce the sliding resistance of this slipping plane and sliding part, thereby, can make moving axially of drive coil more level and smooth, can carry out driving starting of valve body smoothly and do or close action by drive coil.
Description of drawings
Fig. 1 is that expression relates to the sectional view of the sphygmomanometer of first embodiment in the flow regulator of the present invention with exhaust apparatus;
Fig. 2 uses in the exhaust apparatus at the sphygmomanometer of Fig. 1, removes the stereographic map that secondary shell is represented;
Fig. 3 is in the spring and drive coil of Fig. 1, and expression is the stereographic map of the state after a pair of spring is admittedly on drive coil;
Fig. 4 is in the spring and drive coil of Fig. 1, and the stereographic map of the state of linking part has been cut off in expression from a pair of spring;
Fig. 5 is the stereographic map that is illustrated in the state of taking in the drive coil that a pair of spring has been installed in the main shell;
Fig. 6 is the three-dimensional exploded view of the sphygmomanometer of presentation graphs 1 with exhaust apparatus;
Fig. 7 is that the pie graph of the sphygmomanometer of Fig. 1 with the electronic sphygmomanometer of exhaust apparatus used in expression;
Fig. 8 is that expression relates to the sectional view of the sphygmomanometer of second embodiment in the flow regulator of the present invention with exhaust apparatus;
Fig. 9 is the sectional view of the sphygmomanometer of expression background technology with exhaust apparatus.
Embodiment
(A) first embodiment (Fig. 1～Fig. 7)
Below, with reference to accompanying drawing, illustrate and implement preferred example of the present invention.Fig. 1 is that expression relates to the sectional view of the sphygmomanometer of first embodiment in the flow regulator of the present invention with exhaust apparatus.Fig. 2 is the sphygmomanometer exhaust apparatus for Fig. 1, removes the stereographic map that secondary shell is represented.
At this, be shown in Fig. 7 with the electronic sphygmomanometer 10 of exhaust apparatus 20 using as the sphygmomanometer of flow regulator.The formation of this electronic sphygmomanometer 10 comprises: the ligature 11 of wraparound on people's positions such as arm, wrist or finger; In this ligature 11, supply with compressed-air actuated pump 12; Detect the pressure by air pressure meter 13 in the ligature 11; The sphygmomanometer that air in the ligature 11 are discharged in atmosphere with certain speed by conduit 14 is with exhaust apparatus 20; Based on the detection signal control pump 12 of pressure gauge 13, to the air of ligature 11 supply certain pressures, simultaneously, the control sphygmomanometer is with the action of exhaust apparatus 20, from the microcomputer 15 of ligature 11 with certain flow rate discharge air.
The sphygmomanometer of slowly discharging the air in the ligature 11 as above-mentioned ground forms as Fig. 1 and structure shown in Figure 6 with exhaust apparatus 20, that is: take in york piece 24, permanent magnet 25, drive coil 26 and valve body 27 in the accommodation space 23 of main shell 21, secondary shell 22 covers the opening of this main shell 21.
Under the state of above-mentioned main shell 21 and secondary shell 22 joints, also establish port 30 in this junction.Flow through communication port 28, flow into sphygmomanometer with the air in the exhaust apparatus 20, be discharged in the atmosphere by above-mentioned port 30 from communication port nose 29.
Above-mentioned york piece 24 usefulness magnetic materials are made U-shaped, and at the inboard fastening adhesive permanent magnetism iron 25 of its a slice 31, another sheet 32 inserts in the drive coil 26, and drive coil 26 is wanted and can be moved along its central shaft 02 direction.It is one-sided that permanent magnet 25 is configured in a side for the axle center 01 (aftermentioned) of valve body 27.Drive coil 26 is positioned at one-sided state of the opposing party and permanent magnet 25 relative configurations with the above-mentioned axle center 01 of its central shaft 02 relative valve body 27.The magnetic line of force 33 that permanent magnet 25 produces flows another sheet 32 from this permanent magnet 25 to york piece 24.Thereby, 26 part 34A crosscut magnetic lines of force 33 of drive coil with relative permanent magnet 25.
Above-mentioned drive coil 26 is coiling leads 36 on the bobbin 35 of the cubic tubular of cardinal principle, and the part of area broadness is configured to the part 34A of relative permanent magnet 25.In addition, on bobbin 35, at a distolateral formation valve body installation portion 19 of central shaft 02 direction of drive coil 26, chimeric valve body 27 on this valve body installation portion 19.
Dispose the axis coinciding that this valve body 27 will make the communication port 28 of its axle center 01 and secondary shell 22,01 move along the axle center, its surperficial 37 crimping or leave communication port nose 29 by this valve body 27.Valve body 27 is crimped on the communication port nose 29 by its surface 37, and sealing communication port 28 (closing action) is left communication port nose 29 by its surface 37, open flows port 28 (starting work).By the on-off action of this valve body 27, regulate the flow that flows through the air in the communication port 28.
On the bobbin 35 of above-mentioned drive coil 26, distolateral in central shaft 02 direction of drive coil 26 adjoined valve body 27 a pair of coil sides terminal 38 is set.Hold at one of two ends that connecting the lead 36 that is wound on the bobbin 35 on this each coil sides terminal 38 respectively.By this coil sides terminal 38, the electric current that in the lead 36 of drive coil 26, flows, when flowing through the part 34A of permanent magnet 25 vis-a-vis, form the state of the magnetic line of force 33 that crosscut sends from permanent magnet 25, on the part 34A of this permanent magnet 25 vis-a-vis, produce towards the electromagnetic force of the direction of secondary shell 22.Valve body 27 is moved along its axle center 01 by this electromagnetic force driving and closes action, and surface 37 is crimped on the communication port nose 29, sealing communication port 28.
A pair of spring 39 is installed on the bobbin 35 of drive coil 26, and it applies on drive coil 26 and the opposite depended on pressure of above-mentioned electromagnetic force direction as pressured parts, opens so that drive valve body 27.This a pair of spring 39 in bobbin 35, is fixed on axial any one position of drive coil 26, just on one of bobbin 35 distolateral (upper end among Fig. 1), is fixed on simultaneously on the main shell 21.In addition, at the other end (lower end among Fig. 1) of bobbin 35, export bar 40 extends along this central shaft 02 in the position of the central shaft 02 that leaves drive coil 26 with being integral.This guide pole 40 break-through sliding freely is in the pilot hole 40A that the bottom of main shell 21 forms.
Thereby drive coil 26 is at an end of bobbin 35, be bearing on the main shell 21 by pressured by spring 39, at the other end of bobbin 35, by guide pole 40 and pilot hole 40A by sliding bearing on main shell 21, along central shaft 02 to the direction of opening valve body 27 by pressured often.
Above-mentioned each spring 39, as shown in Figure 2, with the material with appropriate elasticity and intensity, for example, phosphor bronze, brass, nonmagnetic stainless steel etc. form hair fastener shape substantially.Spring 39 one distolateral on, the position forms coil sides pilot hole 41 and coil sides fixed part 42 toward each other, on the other end, the position forms shell side pilot hole 43 and shell side fixed part 44 toward each other.In addition, on an end of the bobbin 35 of drive coil 26, form a pair of coil sides positioning convex 45 near coil sides terminal 38.In addition, on the main shell 21 and on the face of secondary shell 22 joints shell side positioning convex 46 and shell side terminal 47 are being set toward each other.
After the coil sides positioning convex 45 chimeric location of the coil sides pilot hole 41 of spring 39 and drive coil 26, the coil sides fixed part 42 of spring 39 is welded on the coil sides terminal 38 of drive coil 26 fixing, thus, distolateral being fixedly mounted on the drive coil 26 of spring 39.In addition, after the shell side positioning convex 46 chimeric location of the shell side pilot hole 43 of spring 39 and main shell 21, utilizing the shell side fixed part 44 of spring 39 welding to wait is fixed on the shell side terminal 47 of main shell 21, thus, another distolateral being fixedly mounted on the main shell 21 of spring 39.
Above-mentioned spring 39 as previously mentioned, except having as opening the function of valve body 27 at the pressured parts that apply depended on pressure on the drive coil 26, also has the function that is used for streaming current in drive coil 26 as lead.Just, above-mentioned shell side terminal 47 in main shell 21, extends to the bottom surface from running through with the composition surface of secondary shell 22, the electric current of supplying with this shell side terminal 47 flows to the lead 36 of drive coil 26 via spring 39 and coil sides terminal 38, produces electromagnetic force on coil 26.
In addition, as illustrated in fig. 3, when making a pair of spring 39, for example be shaped integratedly by two linking parts 48.As shown in Figure 4, this linking part 48, on the coil sides terminal 38 that the coil sides fixed part 42 of spring 39 is fixed on drive coil 26, be installed in spring 39 on the drive coil 26 after, can be cut off.This a pair of spring 39 in the one end side portion with coil sides pilot hole 41 and coil sides fixed part 42, links as be bonded portion 48 above-mentionedly.Thereby, when coil 26 is installed, just can carry out each location by the integrally formed a pair of spring 39 of linking part 48 simultaneously.
Below, with reference to Fig. 1 and Fig. 7 the effect of sphygmomanometer with exhaust apparatus 20 is described.By the electric current of conducting setting in coil 26, make valve body 27 close the electromagnetic force of the direction of action by drive coil 26 generations.At this state, electromagnetic force surpasses the depended on pressure of spring 39, valve body 27 is crimped on the communication port nose 29 complete closed (full cut-off) communication port 28.Under this state, by pump 12 air supply in ligature 11.
Then, transfer to the decompression process of the pressure of the ligature 11 that slowly reduces electronic sphygmomanometer 10, slowly reduce and supply with the electric current of sphygmomanometer with the drive coil 26 of exhaust apparatus 20.Like this, along with the electromagnetic force that reduces on drive coil 26 to take place of this electric current slowly weakens, thereby, drive coil 26 is by the depended on pressure of spring 39, start to valve body 27 and to make direction and move at leisure, valve body 27 bit by bit leaves communication port nose 29, and communication port is small and be opened continuously.So the air process sphygmomanometer in the ligature 11 is discharged into atmosphere with the communication port 28 of exhaust apparatus 20 with miniflow speed.
In addition, sphygmomanometer exhaust apparatus 20 as above-mentioned structure, although just the electromagnetic force effect takes place the part 34A crosscut magnetic line of force 33 of the permanent magnet vis-a-vis 25 of drive coil 26, be the axial one distolateral depended on pressure driving that is subjected to spring 39 at the bobbin 35 of drive coil 26.Also can make along the axial mobile frictional resistance of drive coil 26 lowly, move smooth-goingly, can realize the miniflow speed exhaust of being undertaken by valve body 27 well.
Below, the assembling sequence of sphygmomanometer with exhaust apparatus 20 is described.
At first, as shown in Figure 3, the state that fuses by linking part 48 at a pair of spring 39, behind the coil sides positioning convex 45 chimeric location of the coil sides pilot hole 41 of spring 39 and drive coil 26, utilize the coil sides fixed part 42 of spring 39 welding to wait and be fixed on the coil sides terminal 38 of drive coil 26.Then, linking part 48 is cut off from spring 39 by bending, as illustrated in fig. 4, a pair of spring 39 mechanically, electrically separation.
Then, as shown in Figure 5, the york piece 24 of fixed bonding permanent magnet 25 is accommodated in the accommodation space 23 of main shell 21.Afterwards, the drive coil 26 that spring 39 has been installed is accommodated in the accommodation space 23 of main shell 21.At this moment, another sheet 32 of york piece 24 is inserted in the bobbin 35 of drive coil 26.
Then, as shown in Figure 2, behind the shell side positioning convex 46 chimeric location of the shell side pilot hole 43 of spring 39 and main shell 21, utilize the shell side fixed part 44 of spring 39 welding to wait again and be fixed on the shell side terminal 47 of main shell 21.Before or after fixing spring 39 on the main shell 21, on the chimeric valve body installation portion 19 that is installed in bobbin 35 of valve body 27.At last, as Fig. 1 with shown in Figure 6 secondary shell 22 usefulness screws 49 are installed on the main shell 21, the installation sphygmomanometer is with exhaust apparatus 20.In last example, spring 39 is fixed on cuts off linking part 48 on the drive coil 26 more earlier, then, drive coil 26 is accommodated in the main shell 21, yet, also can be accommodated in drive coil 26 in the main shell 21 earlier, then, spring 39 is fixed on the drive coil 26, cuts off linking part 48 again.
Embodiment according to forming said structure produces following effect (1)～(4).
(1) it is one-sided that the axle center 01 of permanent magnet 25 relative valve bodies 27 is configured in a side, drive coil 26 is positioned at the one-sided state of the opposing party with its central shaft 02 and is configured, therefore, drive coil 26 only produces electromagnetic force with the part 34A crosscut magnetic line of force 33 of permanent magnet 25 vis-a-vis.Therefore, as background technology, with compare with the structure of the whole crosscut magnetic line of force of drive coil 106 with plate 108 at the both sides of drive coil 106 configuration york piece 107, number of components such as york piece and permanent magnet reduces, can make simple in structure, can reduce cost, simultaneously, can make sphygmomanometer exhaust apparatus 20 miniaturizations.
(2) drive coil 26, axially, distolaterally be bearing on the main shell 21 at one of bobbin 35 by spring 39 depended on pressure, therefore, as background technology, compare by pressured parts 110, the 111 pressured structures that are bearing on the shell 102 on two positions axially leaving with drive coil 106, the quantity of pressured parts (spring 39) reduces, can simplified structure, reduce cost.
(3) the drive coil 26 pressured springs 39 that are bearing on the main shell 21 are had as the function that is used for the lead of circulating current in drive coil 26, therefore, do not need special wire, number of spare parts reduces, and can reduce cost.
(4) by the linking part 48 that after installing on the drive coil 26, can the cut off a pair of spring 39 that is shaped integratedly, therefore, can make a pair of spring 39 as parts, and be installed on the drive coil 26 with this state, thereby, can improve the installation accuracy of a pair of spring 39, simultaneously, can make installment work easy.
[B] second embodiment (Fig. 8)
Fig. 8 is that expression relates to the sectional view of the sphygmomanometer of second embodiment in the flow regulator of the present invention with exhaust apparatus.In this second embodiment, for the identical part of above-mentioned first embodiment, additional phase with Reference numeral, omit explanation.
Use in the exhaust apparatus 50 at the sphygmomanometer of this second embodiment, identical with the sphygmomanometer of first embodiment with exhaust apparatus 20, drive coil 26, it is axial one distolateral by spring 39 pressured being bearing on the main shell 21 as pressured parts, its another distolateral by as the guide pole 51 of sliding part and as pilot hole 52 sliding bearings of slipping plane on main shell 21.
The result, move so that valve body 27 starts when doing along central shaft 02 at the depended on pressure of drive coil 26 by spring 39, because a part of 52A sliding contact of guide pole 51 and pilot hole 52,, start by the dead slow speed of valve body 27 that to do the fast exhaust of miniflow that forms better so frictional resistance more reduces.The reduction of the above-mentioned frictional resistance that produces by guide pole 51 and pilot hole 52, even when the central shaft 02 of drive coil 26 is sphygmomanometer usefulness exhaust apparatus 50 landscape configuration of horizontality, also keep above-mentioned effect, this occasion can guarantee that also sphygmomanometer is good with the miniflow speed exhaust of exhaust apparatus 50.
Thereby, according to above-mentioned embodiment, except effect (1)～(4), also produce following effect (5) with above-mentioned first embodiment.
(5) guide pole 51 and the pilot hole 52 that the slip of the other end side of drive coil 26 is bearing on the main shell 21 forms a part of 52A and guide pole 51 contacting structure of the inner face 55 of pilot holes 52 for taper, pilot hole 52, therefore, can more effectively reduce the sliding resistance of this guide pole 51 and pilot hole 52, thereby, use exhaust apparatus 50 when the central shaft 02 of drive coil 26 is the landscape configuration of horizontality at sphygmomanometer especially, also more can make moving axially of drive coil 26 more level and smooth.Like this, can open valve 27 with drive coil 26 smoothly, can realize good dead slow speed exhaust with exhaust apparatus 50 by sphygmomanometer.
In addition,, told about the structure that the inner face 55 of pilot hole 52 is formed taper at this second embodiment, yet, also can form taper to the outside of guide pole 51.In addition, also can annular or spiral lug boss be set on the side among the inner face 55 of the outside of guide pole 51 and pilot hole 52, hemispheric lug boss is set with perhaps being dispersed in.In addition, also above-mentioned guide pole 51 can be set in main shell 21, on the bobbin 35 of drive coil 26, establish pilot hole 52.
More than, based on the above embodiments the present invention has been described, yet the present invention is not limited to the above embodiments.
For example, at present embodiment, told about the occasion that flow regulator is used with exhaust apparatus 20 as sphygmomanometer, yet, flow regulator is being used for sphygmomanometer with the general purpose occasion beyond the exhaust apparatus 20, also can constitute effect with the depended on pressure of spring 39 make valve body 37 to closing direction of action pressured drive coil 26, and, also can be used in the effect of the electromagnetic force that produces on this drive coil 26, make valve body 37 start the structure of work.
Utilization on the industry
The present invention can utilize as sphygmomanometer especially with the flow regulator that uses in the exhaust apparatus With the sphygmomanometer that uses this flow regulator.
Claims (9)
1. flow regulator, it has: the shell that forms the communication port that fluid flows; Be arranged in this shell, regulate the valve body of the flow that flows through the fluid in this communication port by the above-mentioned communication port of switch; Be provided in the above-mentioned shell, produce the magnet of the magnetic line of force; Be provided in the above-mentioned shell, utilizing the electromagnetic force that produces when electric current crosses the above-mentioned magnetic line of force to drive above-mentioned valve body moves along its axle center, close action or start the drive coil of work, it is characterized in that: the axle center of the above-mentioned relatively valve body of above-mentioned magnet, it is one-sided to be configured in a side; Above-mentioned drive coil is positioned at the one-sided state of the opposing party with the axle center of the above-mentioned relatively valve body in its axle center, dispose relative with above-mentioned magnet.
2. flow regulator as claimed in claim 1 is characterized in that: above-mentioned drive coil all is bearing on the shell by pressured parts are pressured on its axial optional position; It is opposite with the electromagnetic force direction that produced by this drive coil that above-mentioned pressured parts act on the depended on pressure on the above-mentioned drive coil.
3. flow regulator as claimed in claim 2 is characterized in that: the pressured parts at the above-mentioned drive coil of pressured supporting on the shell have as the effect that is used for the lead of streaming current in above-mentioned drive coil.
4. flow regulator as claimed in claim 2 is characterized in that: have a pair of above-mentioned pressured parts, it is shaped integratedly by the linking part that can cut off after being installed on the drive coil.
5. flow regulator as claimed in claim 3 is characterized in that: have a pair of above-mentioned pressured parts, it is shaped integratedly by the linking part that can cut off after being installed on the drive coil.
6. as each described flow regulator in the claim 1～5, it is characterized in that: above-mentioned drive coil, axial one distolaterally is bearing on the shell by pressured by pressured parts, and another distolateral sliding part that connects by sliding over each other and slipping plane sliding bearing are on above-mentioned shell; One side of above-mentioned sliding part and above-mentioned slipping plane is located on the above-mentioned drive coil, and the opposing party is located on the above-mentioned shell, and these sliding parts contact with a slipping plane part.
7. flow regulator as claimed in claim 6 is characterized in that: it is that a taper and a utilization part contact with the opposing party that above-mentioned sliding part forms any one party with above-mentioned slipping plane.
8. as each described flow regulator in the claim 1～5,7, it is characterized in that: as the sphygmomanometer exhaust apparatus that the air of supplying with in the ligature at positions such as people's arm and wrist at wraparound is carried out exhaust.
9. a sphygmomanometer is characterized in that, has used any one flow regulator described in the claim 1～5,7.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP364477/2003 | 2003-10-24 | ||
| JP364477/03 | 2003-10-24 | ||
| JP2003364477 | 2003-10-24 | ||
| JP212170/04 | 2004-07-20 | ||
| JP2004212170A JP2005144140A (en) | 2003-10-24 | 2004-07-20 | Flowmeter |
| JP212170/2004 | 2004-07-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1637676A CN1637676A (en) | 2005-07-13 |
| CN100342292C true CN100342292C (en) | 2007-10-10 |
Family
ID=34703198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100954815A Expired - Fee Related CN100342292C (en) | 2003-10-24 | 2004-10-25 | Flow regulating apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2005144140A (en) |
| CN (1) | CN100342292C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4511489B2 (en) * | 2006-04-11 | 2010-07-28 | 日本精密測器株式会社 | Electric exhaust valve and blood pressure monitor |
| CN100545490C (en) * | 2006-04-11 | 2009-09-30 | 日本精密测器株式会社 | Electric-powered air release valve and sphygmomanometer |
| JP6198882B1 (en) * | 2016-04-05 | 2017-09-20 | 日本精密測器株式会社 | Breath test device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5257639A (en) * | 1988-12-23 | 1993-11-02 | Dresser Industries, Inc. | Electropneumatic positioner |
| CN1246039A (en) * | 1997-02-07 | 2000-03-01 | 日本精密测器株式会社 | Fluid flow rate regulating apparatus, sucking device for sphygmomanometers, and sphygemomanometer |
| JP2002108456A (en) * | 2000-10-04 | 2002-04-10 | Nippon Seimitsu Sokki Kk | Device for adjusting fluid flow rate, exhauster for sphygmometer and sphygmometer |
-
2004
- 2004-07-20 JP JP2004212170A patent/JP2005144140A/en active Pending
- 2004-10-25 CN CNB2004100954815A patent/CN100342292C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5257639A (en) * | 1988-12-23 | 1993-11-02 | Dresser Industries, Inc. | Electropneumatic positioner |
| CN1246039A (en) * | 1997-02-07 | 2000-03-01 | 日本精密测器株式会社 | Fluid flow rate regulating apparatus, sucking device for sphygmomanometers, and sphygemomanometer |
| JP2002108456A (en) * | 2000-10-04 | 2002-04-10 | Nippon Seimitsu Sokki Kk | Device for adjusting fluid flow rate, exhauster for sphygmometer and sphygmometer |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005144140A (en) | 2005-06-09 |
| CN1637676A (en) | 2005-07-13 |
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