CN107432740A - A kind of mechanical sphygmomanometer - Google Patents
A kind of mechanical sphygmomanometer Download PDFInfo
- Publication number
- CN107432740A CN107432740A CN201710867878.9A CN201710867878A CN107432740A CN 107432740 A CN107432740 A CN 107432740A CN 201710867878 A CN201710867878 A CN 201710867878A CN 107432740 A CN107432740 A CN 107432740A
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- veins
- arteries
- box
- drive mechanism
- gear
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physiology (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Ophthalmology & Optometry (AREA)
- Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
The invention discloses a kind of mechanical sphygmomanometer.It includes：Main body, the drive mechanism for driving pointer and the arteries and veins box as drive mechanism power source, described main body have interconnected and closed main cavity and are arranged on from cavity, described drive mechanism in main cavity, and described arteries and veins box is arranged on out of cavity；Described arteries and veins box is hollow box, connected below with the air inlet pipe in main body, linked by connecting rod and drive mechanism the top of arteries and veins box, after ambient atmos enter arteries and veins box by air inlet pipe, the arteries and veins box bulging under gas pressure, so as to promote connecting rod to run, and drive mechanism is driven to run, pointer drives lower swing in drive mechanism.The present invention can produce accurate dilatancy, and parking position accuracy after deformation according to the change of air pressure, so may insure the accuracy of whole product measurement in the deft design of arteries and veins box.
Description
Technical field：
The present invention relates to blood pressure measuring instrument technical field, refers in particular to a kind of mechanical sphygmomanometer.
Background technology：
Blood pressure is an important physiological parameter for reflecting function of human body, and the detection of many illnesss is required for being used as ginseng using blood pressure
Examine foundation.Such as its health is directly reacted for the monitoring of blood pressure can of Hypertensive Population, in order to Hypertensive Population
Can timely it be given treatment to.In addition, it is required for carrying out the continuous monitoring of blood pressure for some other patient groups, once patient
Occur surprisingly, medical personnel can take effective rescue measure in time.
The measuring method of the main inflatable of measurement for human blood-pressure at present, being distinguished according to working method generally has mercury
Formula sphygmomanometer, electronic sphygmomanometer, mechanical sphygmomanometer.Wherein as most traditional mercury sphygmomanometer because mercury has play
Toxicity, it has been eliminated.And as frequent practical electronic sphygmomanometer at present, oscillographic method principle is make use of mostly.By built in
The cuff tape wrapping of air bag carries out plus-minus pressure to the cuff using air, thus captures and be oppressed on tested human body
Arterial vascular volume become be turned to cuff pressure variation amplitude variations, so as to calculate blood pressure.But electronics blood
There is also certain deficiency for pressure meter.Experiment shows, appears in arm band chamber according to oscillographic method, has certain adjoint property with Korotkoff's Sound,
But and it is asynchronous, than Korotkoff's Sound occur earlier, end is a little later.So cause oscillographic method electronic sphygmomanometer for individual
For it is widely different, it is small when big when the error of blood pressure measurement is compared with for blood pressure normal person particularly with hyperpietic.It is so electric
Sub- sphygmomanometer is difficult to definition and reliable measurement blood pressure, and accurately whether normative reference is using Korotkoff's Sound method as standard for it.
Mechanical sphygmomanometer is reliable and stable, service life length, applicable crowd is not limited, but at present mechanical
The shortcomings that sphygmomanometer is exactly that requirement on machining accuracy is higher, and error easily occurs.How to overcome this problem is the present invention
People is directed to the direction of research and development always.
The content of the invention：
The technical problems to be solved by the invention are that in overcome the deficiencies in the prior art, there is provided one kind measurement is accurate,
And the survey meter of blood pressure with intelligent display.
In order to solve the above-mentioned technical problem, present invention employs following technical proposals：The mechanical sphygmomanometer includes：
Main body, the drive mechanism for driving pointer and the arteries and veins box as drive mechanism power source, described main body, which has, to be interconnected
And closed main cavity and be arranged on from cavity, described drive mechanism in main cavity, described arteries and veins box is arranged on out of cavity；
Described arteries and veins box is hollow box, is connected below with the air inlet pipe in main body, and the top of arteries and veins box passes through connecting rod and drive
Motivation structure links, after ambient atmos enter arteries and veins box by air inlet pipe, the arteries and veins box bulging under gas pressure, so as to promote connecting rod to transport
OK, and drive mechanism is driven to run, pointer drives lower swing in drive mechanism；Described arteries and veins box is made up of an arteries and veins housing unit,
Each arteries and veins housing unit includes：Weld to form hollow box in the upper box piece and lower box piece, the outer rim of upper and lower box piece of dish, and upper,
Ripply fluctuating is formed on lower box piece；Wherein go up and a sleeve with connecting rod socket is welded with above box piece, under lower box piece
Side is provided with the connecting tube connected with air inlet pipe；Or described arteries and veins box is made up of at least two arteries and veins housing units, all arteries and veins box lists
Member is overlapped mutually along axis, is socketed wherein being welded with one above the upper box piece in the arteries and veins housing unit of the superiors with connecting rod
Sleeve, be provided with the connecting tube connected with air inlet pipe below lower box piece in orlop arteries and veins housing unit；Two adjacent arteries and veins
Connected between housing unit by a connection ring in conducting；Described drive mechanism includes：Pedestal, the pivot being fixed in main cavity
It is connected on the needle pivot fixed with pointer on pedestal and top, the gear sheet being fixed on needle pivot, the tooth engaged with gear sheet
Wheel, the gear shaft fixed and be articulated on pedestal with gear, the hairspring being arranged on gear shaft；Described connecting rod one end is articulated in
In gear sheet, in the described sleeve pipe of other end insertion；Run drive gear piece up and down by connecting rod to swing, so as to drive pointer
Axle, pointer, gearing, drive mechanism is made to reset by the elastic force of hairspring；Balancing weight is provided with described gear sheet；It is described
Balancing weight be fixed on a clamping plate, the Boards wall is in gear sheet；Described clamping plate offers a bar-shaped trough, and described matches somebody with somebody
Pouring weight is fixed in bar-shaped trough；Suspension has a foreboard above described pedestal, and one end of the foreboard passes through fixed column fixed pedestal
On, its other end is to pedestal after bending in the positioning hole of embedded pedestal, while described needle pivot, gear shaft and the foreboard pivot
Connect, in the space of the formation of described gear sheet, gear, hairspring between foreboard and pedestal；Described hairspring one end is fixed
On gear shaft, the other end is pressed in fixed column；Described main cavity is provided with needle dial in cylinder, its openend, should
Needle dial passes through a pressure ring and the threaded connection clamping fastener of main cavity housing；Described is in cylinder from cavity, is opened below
The bottom end cover fastened therewith is provided with mouthful, described air inlet pipe is connected through the through hole on bottom end cover with arteries and veins box；Described master
A locking cap is arranged with described air inlet pipe.
After adopting the above technical scheme, the present invention has as follows a little：
1st, the present invention uses power source of the arteries and veins box as drive mechanism, can be according to air pressure due to the deft design of arteries and veins box
Change produce accurate dilatancy, and parking position accuracy after deformation, so may insure the accurate of whole product measurement
Property, meanwhile, the present invention uses making raw material of the phosphorus bronze sheet as arteries and veins box, and it can not only ensure the measurement accuracy of product, and
The service life of product can be improved, it is ensured that for a long time using indeformable.
2nd, driving mechanism structure of the invention is simple, and operation is accurate, while for the ease of adjustment, is set in drive mechanism
Adjustable balancing weight, the position of balancing weight is adjusted according to the use of reality, so as to be carried out according to the use of reality
Adjustment.
Brief description of the drawings：
Fig. 1 is the dimensional structure diagram of the present invention；
Fig. 2 is the three-dimensional exploded view of main part in the present invention；
Fig. 3 is the three-dimensional exploded view of drive mechanism in the present invention；
Fig. 4 is operation principle schematic diagram of the present invention..
Embodiment：
With reference to specific embodiments and the drawings, the present invention is further described.
As shown in Fig. 1-4, the present invention includes：Main body 1, drive mechanism 3, arteries and veins box 4, air inlet pipe 5, needle dial 6 and pointer 7.
Drive mechanism 3 is used to drive pointer 7, power source of the arteries and veins box 4 as drive mechanism 3.
The hollow box that described main body 1 is interconnected to constitute by individual cylinder, its corresponding inside have mutual
Connection and closed main cavity 11 and from cavity 12, described drive mechanism 3 is arranged in main cavity 11, and described arteries and veins box 4 is pacified
Mounted in out of cavity 12.Described main cavity 11 is provided with needle dial 6 in cylinder, its openend, and the needle dial 6 passes through a pressure
The threaded connection clamping fastener of ring 61 and the housing of main cavity 11；Described is in cylinder from cavity 12, and opening is set below
There is the bottom end cover 13 fastened therewith, described air inlet pipe 5 is connected through the through hole on bottom end cover 13 with arteries and veins box 4, while described
Master described in air inlet pipe 5 on be arranged with a locking cap 14, air inlet pipe 5 is further fixed by locking cap.
Described pointer 7 is arranged on the center of needle dial 6, and it is fixedly connected with needle pivot 32.Needle pivot 32, which passes through, to be referred to
Dials 6 is stretched into main cavity 11.
Described arteries and veins box 4 is hollow box, is connected below with the air inlet pipe 5 installed on the body 1, the top of arteries and veins box 4
Linked by connecting rod 31 and drive mechanism 3, after ambient atmos enter arteries and veins box 4 by air inlet pipe 5, arteries and veins box 4 rouses under gas pressure
It is swollen, so as to promote connecting rod 31 to run, and drive drive mechanism 3 to run, pointer 7 drives lower swing in drive mechanism.
In the present embodiment, described arteries and veins box 4 is made up of two arteries and veins housing units 40, and each arteries and veins housing unit 40 includes：In dish
Upper box piece 41 and lower box piece 42, the outer rim of upper and lower box piece weld to form hollow box, and formed with ripple on upper and lower box piece
Fluctuating；Upper and lower box piece uses phosphorus bronze sheet compression molding, to improve the deformation stability of product.All arteries and veins housing units 40 are in
Axis is overlapped mutually, and is socketed wherein being welded with one above the upper box piece 41 in the arteries and veins housing unit 40 of the superiors with connecting rod 31
Sleeve 43, the lower section of lower box piece 42 in orlop arteries and veins housing unit 40 is provided with the connecting tube 44 connected with air inlet pipe 5；Two
Connected between individual adjacent arteries and veins housing unit 40 by a connection ring 45 in conducting.
Using be threadedly coupled between above-mentioned connecting tube 44 and air inlet pipe 5, can so reconcile as needed connecting tube 44 and
Screw thread between air inlet pipe 5 coordinates the amount of feeding, so as to be adjusted to the relative position of whole arteries and veins box 4.
Certainly, the present invention can be arranged as required to the number of arteries and veins housing unit 40, such as can be by a structure of arteries and veins housing unit 40
Into, each arteries and veins housing unit 40 equally include the upper box piece 41 in dish and lower box piece 42, the outer rim of upper and lower box piece, which is welded, to be formed
Sylphon body, and form ripply fluctuating on upper and lower box piece；The wherein upper top of box piece 41 is welded with one and the socket of connecting rod 31
Sleeve 43, the lower section of lower box piece 42 are provided with the connecting tube 44 connected with air inlet pipe 5.
With reference to shown in Fig. 3,4, described drive mechanism 3 includes：The pedestal 30 that is fixed in main cavity 11, it is articulated in pedestal
Needle pivot 32 that on 30 and top is fixed with pointer 7, the gear sheet 33 that is fixed on needle pivot 32, engaged with gear sheet 33
Gear 34, the gear shaft 35 fixed and be articulated on pedestal 30 with gear 34, the hairspring 36 being arranged on gear shaft 35；Described
The one end of connecting rod 31 is articulated in gear sheet 33, in the described sleeve pipe 43 of other end insertion；Sliding tooth is run by connecting rod about 31
Wheel piece 33 is swung, and so as to drive needle pivot 32, pointer 7, gear 34 to swing, makes drive mechanism 3 reset by the elastic force of hairspring 36.
Balancing weight 37 is provided with described gear sheet 33, the amplitude of fluctuation of gear sheet 33 is adjusted by balancing weight 37.
In order to make balancing weight 37 adjustable, described balancing weight 37 is fixed on a clamping plate 38, and the clamping plate 38 is fixed in gear sheet 33；
Described clamping plate 38 offers a bar-shaped trough 381, and described balancing weight 37 is fixed in bar-shaped trough 38, can be according to reality during assembling
Border is tested to be calibrated, and adjustment is carried out by adjusting position of the balancing weight 37 in bar-shaped trough 38.
The described top of pedestal 30 suspension has a foreboard 39, and one end of the foreboard 39 passes through the fixed pedestal 30 of fixed column 391
On, its other end is to pedestal 30 after bending in the positioning hole 300 of embedded pedestal 30, described needle pivot 32, gear shaft 35 it is same
When be pivotally connected with the foreboard 39, the sky of the formation of described gear sheet 33, gear 34, hairspring 36 between foreboard 39 and pedestal 30
Between in.
Described one end of hairspring 36 is fixed on gear shaft 35, and the other end is pressed in fixed column 391.
In use, being connected of the invention with corresponding tracheae, then extruding gasbag is inflated.Due to the increase of air pressure,
Each arteries and veins housing unit 40 can produce bulging, and the sleeve pipe 43 for causing the top is produced displacement by these bulging, so as to drive link
31 run up.Connecting rod 31 will drive gear sheet 33 to swing in the process of running.Because gear sheet 33 engages with gear 34, now
Gear sheet 33 is used as a crank mechanism, its swing when drive gear 34 will rotate and needle pivot 32 rotates simultaneously, from
And make pointer 7 produce rotation, the sensing numerical value of pointer can be thus read according to the display of needle dial 6.When air bag starts to let out
After pressure, the air pressure in arteries and veins housing unit 40 declines, and due to the presence of hairspring, the elastic force of its own will promote gear sheet 33 to reset, from
And drive mechanism 3 and pointer 7 is driven to reset, be zeroed again.
The present invention uses power source of the arteries and veins box as drive mechanism, can be according to air pressure due to the deft design of arteries and veins box
Change produces accurate dilatancy, and parking position accuracy after deformation, so may insure the accuracy of whole product measurement,
Meanwhile the present invention uses making raw material of the phosphorus bronze sheet as arteries and veins box, it can not only ensure the measurement accuracy of product, and can be with
Improve the service life of product, it is ensured that for a long time using indeformable.
Certainly, the foregoing is only the specific embodiment of the present invention, be not to limit the scope of the present invention, it is all according to
The equivalent change or modification that construction, feature and principle described in scope of the present invention patent are done, all should be included in Shen of the present invention
Please be in the scope of the claims.
Claims (1)
- A kind of 1. mechanical sphygmomanometer, it is characterised in that：The sphygmomanometer includes：Main body (1), for driving pointer (7) drive mechanism (3) and the arteries and veins box (4) as drive mechanism (3) power source, described main body (1) have be interconnected and Closed main cavity (11) and it is arranged on from cavity (12), described drive mechanism (3) in main cavity (11), described arteries and veins box (4) it is arranged on out of cavity (12)；Described arteries and veins box (4) is hollow box, below with the air inlet pipe in main body (1) (5) connect, the top of arteries and veins box (4) is linked by connecting rod (31) and drive mechanism (3), and ambient atmos are entered by air inlet pipe (5) After arteries and veins box (4), arteries and veins box (4) bulging under gas pressure, so as to promote connecting rod (31) to run, and drive mechanism (3) is driven to run, Pointer (7) drives lower swing in drive mechanism；Described arteries and veins box (4) is made up of an arteries and veins housing unit (40), each arteries and veins housing unit (40) include：Weld to form hollow box in the upper box piece (41) and lower box piece (42), the outer rim of upper and lower box piece of dish, and upper, Ripply fluctuating is formed on lower box piece；A sleeve with connecting rod (31) socket is welded with above wherein upper box piece (41) (43) connecting tube (44) connected with air inlet pipe (5), is provided with below lower box piece (42)；Described arteries and veins box (4) is by least two Individual arteries and veins housing unit (40) is formed, and each arteries and veins housing unit (40) includes：Upper box piece (41) and lower box piece (42) in dish are upper and lower The outer rim of box piece welds to form hollow box, and forms ripply fluctuating on upper and lower box piece；All arteries and veins housing units (40) are in Axis is overlapped mutually, wherein being welded with one and connecting rod above the upper box piece (41) in the arteries and veins housing unit (40) of the superiors (31) sleeve (43) of socket, lower box piece (42) lower section in orlop arteries and veins housing unit (40) are provided with and air inlet pipe (5) The connecting tube (44) of connection；Connected between two adjacent arteries and veins housing units (40) by a connection ring (45) in conducting；Described Drive mechanism (3) includes：The pedestal (30) that is fixed in main cavity (11), it is articulated on pedestal (30) and top and pointer (7) fixed needle pivot (32), be fixed on needle pivot (32) gear sheet (33), with gear sheet (33) meshed gears (34) gear shaft (35) that is, fixed with gear (34) and being articulated on pedestal (30), the hairspring being arranged on gear shaft (35) (36)；Described connecting rod (31) one end is articulated in gear sheet (33), in the described sleeve pipe (43) of other end insertion；Pass through connecting rod (31) drive gear piece (33) is run up and down to swing, so as to drive needle pivot (32), pointer (7), gear (34) to swing, pass through trip The elastic force of silk (36) makes drive mechanism (3) reset；Balancing weight (37) is provided with described gear sheet (33)；Described balancing weight (37) it is fixed on a clamping plate (38), the clamping plate (38) is fixed in gear sheet (33)；Described clamping plate (38) offers one Shape groove (381), described balancing weight (37) are fixed in bar-shaped trough (38)；Suspension has a foreboard above described pedestal (30) (39), one end of the foreboard (39) is by the way that on fixed column (391) fixed pedestal (30), its other end is embedding after being bent to pedestal (30) In the positioning hole (300) for entering pedestal (30), it is pivotally connected with the foreboard (39) while described needle pivot (32), gear shaft (35), Described gear sheet (33), gear (34), hairspring (36) are located in the space of the formation between foreboard (39) and pedestal (30)；Institute Hairspring (36) one end stated is fixed on gear shaft (35), and the other end is pressed in fixed column (391)；Described main cavity (11) In cylinder, its openend is provided with needle dial (6), and the needle dial (6) passes through a pressure ring (61) and main cavity (11) housing It is threadedly coupled clamping fastener；Described is in cylinder from cavity (12), and opening is provided with the bottom end cover fastened therewith below (13), described air inlet pipe (5) is connected through the through hole on bottom end cover (13) with arteries and veins box (4)；Air inlet pipe described in described master (5) locking cap (14) is arranged with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710867878.9A CN107432740A (en) | 2017-09-22 | 2017-09-22 | A kind of mechanical sphygmomanometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710867878.9A CN107432740A (en) | 2017-09-22 | 2017-09-22 | A kind of mechanical sphygmomanometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107432740A true CN107432740A (en) | 2017-12-05 |
Family
ID=60462231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710867878.9A Pending CN107432740A (en) | 2017-09-22 | 2017-09-22 | A kind of mechanical sphygmomanometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107432740A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3896791A (en) * | 1972-11-27 | 1975-07-29 | Seiwa Me Lab Inc | Electronic blood pressure meters |
| CN201394013Y (en) * | 2009-04-13 | 2010-02-03 | 苏州日精仪器有限公司 | Pointer-type sphygmomanometer pressure drive device |
| CN203059672U (en) * | 2012-12-14 | 2013-07-17 | 鹿得医疗器械（南通）有限公司 | Machine core device of sphygmomanometer |
-
2017
- 2017-09-22 CN CN201710867878.9A patent/CN107432740A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3896791A (en) * | 1972-11-27 | 1975-07-29 | Seiwa Me Lab Inc | Electronic blood pressure meters |
| CN201394013Y (en) * | 2009-04-13 | 2010-02-03 | 苏州日精仪器有限公司 | Pointer-type sphygmomanometer pressure drive device |
| CN203059672U (en) * | 2012-12-14 | 2013-07-17 | 鹿得医疗器械（南通）有限公司 | Machine core device of sphygmomanometer |
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Application publication date: 20171205 |