CN209107327U - A kind of arm cylinder formula electronic sphygmomanometer - Google Patents

Abstract

The utility model discloses a kind of arm cylinder formula electronic sphygmomanometers, its key points of the technical solution are that: including body, the arm cylinder for being inserted into arm detection blood pressure is connected on the body, the arm cylinder bottom is fixed with first connecting rod, the first connecting rod dismantling connection is in second connecting rod end, the second connecting rod is hinged on the body in one end far from the first connecting rod, the middle part of the second connecting rod is also hinged with third connecting rod, the other end of the third connecting rod is hinged on one end of fourth link, the other end of the fourth link is fixed with round bar, L shape bar is fixed on the body, when round bar rotates in L shaped plate, second connecting rod will be driven, third connecting rod and fourth link are swung, so as to adjust the angles and positions of arm cylinder on first connecting rod and first connecting rod, so as to according to the position of the height of person under test and sitting The state of its arm is adjusted, so that the pressure value of measurement is relatively reliable, accurate.

Description

A kind of arm cylinder formula electronic sphygmomanometer

Technical field

The utility model relates to sphygmomanometer fields, more specifically, it relates to a kind of arm cylinder formula electronic sphygmomanometer.

Background technique

With the improvement of living standards, people increasingly increase the attention rate of health, blood pressure is most attached most importance to as human health The life parameters wanted are the important evidences clinically diagnose the illness, observe therapeutic effect, carrying out Index for diagnosis, to its accurate survey Amount, is of great significance in the monitoring of clinical medicine especially urgent patient and general anesthesia patient.

Initially use is traditional mercurial sphygmomanometer, but mercurial sphygmomanometer is not high with accuracy, error is biggish scarce Point.With the development of science and technology, traditional mercurial sphygmomanometer is just gradually being utilized modern electronic technology and the indirect measuring principle of blood pressure Replaced the electronic sphygmomanometer for carrying out blood pressure measurement.

Electronic sphygmomanometer acquires pulse signal using sensor, measures high pressure, low voltage value, high sensitivity, and its work is not It is interfered by factors such as external sounds, relative to traditional mercurial sphygmomanometer, has and security risk is not present, be not required to manually read water Silver-colored height value, accuracy increase, automatic display of blood pressure value, the advantages such as easy to use.Electronic sphygmomanometer can be divided mainly into hand Wrist and arm type, wrist type sphygmomanometer are not suitable for older, heart murmur, diabetes cause since measurement stability is low The patients such as peripheral vessel aging use, therefore the scope of application of arm type electronic sphygmomanometer is wider.

Common arm cylinder formula electronic sphygmomanometer is exactly a kind of arm type electronic sphygmomanometer, and arm cylinder formula electronic sphygmomanometer includes machine Body and the arm cylinder for placing person under test's arm, body and arm cylinder are all the fixed knots being integrated in existing arm cylinder formula electronic sphygmomanometer The angles and positions of structure, arm cylinder can not flexible modulation；Due to keep the loosening of arm, arm and the heart as far as possible when testing blood pressure The altitude line of dirty position is identical as far as possible, but these indexs can all be influenced by Patient height and position, so needing one kind The electronic sphygmomanometer that arm cylinder position and angle can be adjusted, thus convenient accurately measurement blood pressure.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of arm cylinder formula electronic sphygmomanometer, To solve the problems, such as to mention in background technique.

To achieve the above object, the utility model provides following technical solution:

A kind of arm cylinder formula electronic sphygmomanometer, including body are connected on the body for being inserted into arm detection blood pressure Arm cylinder, the arm cylinder bottom are fixed with first connecting rod, and the first connecting rod dismantling connection connects in second connecting rod end, described second Bar is hinged on the body in one end far from the first connecting rod, and the middle part of the second connecting rod is also hinged with third company Bar, the other end of the third connecting rod are hinged on one end of fourth link, and the other end of the fourth link is fixed with round bar, institute It states and is fixed with L shape bar on body, the round bar is rotatably connected in the L shape bar, is provided on the L shape bar for locking State the tight lock part of round bar.

By using above-mentioned technical proposal, when person under test is sitting in setup test blood pressure on seat, person under test can be by arm Arm is extend into the arm cylinder connected on body, and doctor, nurse or person under test can rotate round bar, when round bar is in L shaped plate When interior rotation, second connecting rod, third connecting rod and fourth link will be driven to swing, so as to adjust first connecting rod and first connecting rod The angles and positions of upper arm cylinder, so as to adjust the state of its arm according to the height of person under test and the position of sitting, so that The pressure value of measurement is relatively reliable, accurate.

Further, the tight lock part includes fixed ring, annular groove, arcuate friction block, arc compression block, fixed block, pull rod, limit Position block and tension spring, the fixed ring and the round bar are integrally formed, and the annular groove is provided in the fixed ring, the fixed block It is fixed on the L shape bar, the pull rod is slidably connected in the fixed block, and the arc compression block is fixed on the pull rod and leans on One end of the nearly fixed ring, the arcuate friction block are fixed on the arc compression block end, and the limited block is fixed on described The one end of pull rod far from the arc compression block, the outside of the pull rod are also arranged with tension spring, and one end of the tension spring is fixed on institute It states on limited block, the other end of the tension spring is fixed on the fixed block, under the action of the tension spring, the arcuate friction Block is embedded in the annular groove in the fixed ring Nei and limits the rotation of the round bar.

By using above-mentioned technical proposal, the tension spring between limited block and fixed block can make tie rod end arc pressure Arcuate friction block on block being pressed together in the annular groove of fixed ring tightly, i.e., can guarantee that round bar does not turn under the action of tight lock part It is dynamic, the position of arm cylinder can be locked；When needing to operate round bar rotation, operator is needed to pull pull rod, drives tie rod end arc Arcuate friction block on shape briquetting is detached from annular groove, to release the locking to round bar.

Further, fixed link is fixed on the second connecting rod, the first connecting rod is set in the outer of the fixed link Portion, have in the fixed link with its integrally formed shaft shoulder, the outside of the fixed link is also threaded with locking nut.

By using above-mentioned technical proposal, when first connecting rod to be connected on second connecting rod, first connecting rod is covered solid The outside of fixed pole, and first connecting rod is contradicted on second connecting rod, first connecting rod can be installed by tightening locking nut later It is fixed on second connecting rod.

Further, sliding slot is offered in the first connecting rod, sliding is connected with inserted block, the sliding slot slot in the sliding slot It is connected with spring between bottom and the inserted block, the slot for inserted block insertion is offered in the fixed link.

By using above-mentioned technical proposal, when first connecting rod to be set in outside fixed link, the spring in sliding slot is made Under, inserted block is inserted into the slot in fixed link, positioning when so as to realize to first connecting rod installation, and inserted block Has the effect of snap lock.

Further, the body slides be connected in L shaped plate along the vertical direction, is fixed with mounting blocks on the body, The notch slid vertically for the mounting blocks is offered in the L shaped plate, is also had in the L shaped plate and the L shaped plate one Molding protrusion is threaded with screw rod on the mounting blocks, and one end of the screw rod is rotatably connected in the protrusion, The bottom surface of the body is further fixed on two guide rods, and the pilot hole for guide rod sliding is offered in the L shaped plate.

By using above-mentioned technical proposal, when needing to adjust the height of arm cylinder, operator can rotate screw rod, work as screw rod The mounting blocks on body will be driven to slide vertically in the notch in L shaped plate when rotation, then drives and connected on body and body Arm cylinder the change of position occurs, and it is more stable under the cooperation of guide rod and pilot hole body to be slid vertically.

Further, the round bar is further fixed on disk, the disk in one end far from the electronic sphygmomanometer ontology Handlebar stem is fixed in one end bias far from the round bar.

By using above-mentioned technical proposal, operator easily can drive circle in labour-saving by the handlebar stem shaken on disk Bar rotation.

Further, the end of the arm cylinder is also hinged with cover board, is embedded in the cover board and is fixed with the first magnetic block, institute The end for stating arm cylinder, which is embedded, is fixed with the second magnetic block.

By using above-mentioned technical proposal, the hinged cover board in arm cylinder end can block the opening of arm cylinder, and anti-locking apparatus exists There are dust and other impurities to enter arm cylinder when not in use, and when cover plate lid is closed, in the absorption of the first magnetic block and the second magnetic block Effect is lower will be so that cover board be locked after blocking arm cylinder.

Further, the surface of the arm cylinder is also coated with one layer of nonpolluting coating, and the nonpolluting coating is made by the following method It is standby:

Take following each component raw material for standby by weight: 32-35 parts of methyl methacrylate, 38-42 parts of polyethylene, poly- third 25-27 parts of alkene, 8-10 parts of Ethyl formate, 8-12 parts of propylene glycol, 8-10 parts of dimethyl silicone polymer, sodium lignin sulfonate 8-10 Part；

S1, the production pre-prepared liquid of nonpolluting coating: methyl methacrylate, polyethylene, polypropylene, Ethyl formate are mixed equal It is added in reaction kettle after even, reactor temperature is heated to 142-145 DEG C, then keeps the temperature 30-40min；

S2, nonpolluting coating solution is prepared: after the pre-prepared liquid of nonpolluting coating that S1 is obtained is cooled to 92-95 DEG C, then to anti- It answers and propylene glycol, dimethyl silicone polymer, sodium lignin sulfonate is added in kettle, then bulk temperature is heated to 97-99 DEG C；

S3, coating: the nonpolluting coating solution that S2 is obtained is uniformly sprayed to the outer surface of arm cylinder using spray gun；

S4, drying: arm cylinder is dried in ventilating and cooling place.

Further, methyl methacrylate, polyethylene, polypropylene, Ethyl formate are added after mixing in the S1 Enter into reaction kettle, reactor temperature is heated to 143 DEG C, then keeps the temperature 35min.

Further, after the pre-prepared liquid of nonpolluting coating that S1 is obtained being cooled to 93 DEG C in the S2, then into reaction kettle Propylene glycol, dimethyl silicone polymer, sodium lignin sulfonate is added, then bulk temperature is heated to 98 DEG C.

By using above-mentioned technical proposal, the nonpolluting coating on arm cylinder surface can prevent from dust to be accumulated in arm cylinder surface being difficult to Cleaning.

In conclusion the utility model mainly has the advantages that

When person under test is sitting in setup test blood pressure on seat, arm can be extend into the arm connected on body by person under test In cylinder, doctor, nurse or person under test can rotate round bar, and when round bar rotates in L shaped plate, drive second is connected Bar, third connecting rod and fourth link are swung, so as to adjust the angles and positions of arm cylinder on first connecting rod and first connecting rod, from And the state of its arm can be adjusted according to the height of person under test and the position of sitting so that measurement pressure value it is relatively reliable, Accurately.

Detailed description of the invention

Fig. 1 is a kind of one of structural schematic diagram of embodiment provided by the utility model；

Fig. 2 is the enlarged structure schematic diagram in the portion A in Fig. 1；

Fig. 3 is a kind of second structural representation of embodiment provided by the utility model；

Fig. 4 is the enlarged structure schematic diagram in the portion B in Fig. 3；

Fig. 5 is a kind of third structural representation of embodiment provided by the utility model；

Fig. 6 is the enlarged structure schematic diagram in the portion C in Fig. 5；

Fig. 7 is a kind of structure sectional view of embodiment provided by the utility model；

Fig. 8 is the enlarged structure schematic diagram in the portion D in Fig. 7.

In figure: 1, body；2, arm cylinder；21, first connecting rod；22, second connecting rod；23, third connecting rod；24, fourth link； 241, round bar；10, L shape bar；3, tight lock part；31, fixed ring；310, annular groove；32, arc compression block；320, arcuate friction piece；33, Fixed block；34, pull rod；340, limited block；341, tension spring；221, fixed link；2210, the shaft shoulder；2212, locking nut；210, sliding Slot；211, inserted block；212, spring；2213, slot；4, L shaped plate；11, mounting blocks；41, notch；42, protrusion；110, screw rod； 12, guide rod；43, pilot hole；2311, disk；2312, handlebar stem；25, cover board；251, the first magnetic block；252, second is magnetic Block.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing 1-8.

Embodiment 1

With reference to Fig. 1 and Fig. 2, a kind of arm cylinder formula electronic sphygmomanometer, including body 1, wherein being connected on body 1 for inserting Enter arm detection blood pressure arm cylinder 2, person under test by arm extend into arm cylinder 2 be just capable of detecting when blood pressure and can by blood pressure number instead It reflects on the display on body 1；Due to traditional electronic sphygmomanometer, arm cylinder 2 and body 1 design for integral type, the position of arm cylinder 2 Angle setting degree can not be adjusted according to person under test, therefore now set separate type for body 1 and arm cylinder 2, in order to reach this purpose, It is fixed with first connecting rod 21 in 2 bottom of arm cylinder, by 21 dismantling connection of first connecting rod in 22 end of second connecting rod, by second connecting rod 22 It is hinged on body 1 in one end far from first connecting rod 21, while being also hinged with third connecting rod 23 at the middle part of second connecting rod 22, And the other end of third connecting rod 23 is hinged on to one end of fourth link 24, round bar is fixed in the other end of fourth link 24 241, while L shape bar 10 is fixed on body 1, round bar 241 is rotatably connected in L shape bar 10；When rotating round bar 241, It will drive arm cylinder 2 that the variation of position and angle occurs by the linkage of first connecting rod 21, second connecting rod 22 and third connecting rod 23, and be It prevents round bar 241 from rotating without reason, is provided with the tight lock part 3 for locking round bar 241 on L shape bar 10；When person under test is sitting in On seat when setup test blood pressure, arm can be extend into the arm cylinder 2 connected on body 1 by person under test, doctor, nurse or Person under test can rotate round bar 241, when round bar 241 rotates in L shaped plate 4, will drive second connecting rod 22, third connecting rod 23 and fourth link 24 swing, so as to adjust the angles and positions of arm cylinder 2 on first connecting rod 21 and first connecting rod 21, thus The state of its arm can be adjusted according to the height of person under test and the position of sitting, so that the pressure value of measurement is relatively reliable, smart Really.

With reference to Fig. 3 and Fig. 4, wherein tight lock part 3 includes fixed ring 31, annular groove 310, arcuate friction block, arc compression block 32, consolidates Determine block 33, pull rod 34, limited block 340 and tension spring 341, wherein fixed ring 31 and round bar 241 are integrally formed, and annular groove 310 is provided with In fixed ring 31, fixed block 33 is fixed on L shape bar 10, and pull rod 34 is slidably connected in fixed block 33, and arc compression block 32 is fixed In pull rod 34 close to one end of fixed ring 31, arcuate friction block is fixed on 32 end of arc compression block, and limited block 340 is fixed on pull rod 34 one end far from arc compression block 32 are also arranged with tension spring 341 in the outside of pull rod 34, and wherein one end of tension spring 341 is fixed on On limited block 340, the other end of tension spring 341 is fixed on fixed block 33；Under the action of tension spring 341, the insertion of arcuate friction block In the annular groove 310 in fixed ring 31 and the rotation of round bar 241 is limited, arcuate friction block here has the biggish arc of roughness Face, when round bar 241 being forced to be in the lock state in the annular groove 310 in arcuate friction block indentation fixed ring 31, arc here The material of friction block can be asbestos friction material；Due between limited block 340 and fixed block 33 341 meeting of tension spring so that In the annular groove 310 for being pressed together on fixed ring 31 of arcuate friction block tightly in 34 end arc compression block 32 of pull rod, i.e., in tight lock part 3 Under the action of can guarantee that round bar 241 does not rotate, the position of arm cylinder 2 can be locked；When needing to operate the rotation of round bar 241, need Operator pulls pull rod 34, and the arcuate friction block in 34 end arc compression block 32 of pull rod is driven to be detached from annular groove 310, thus releasing pair The locking of round bar 241.

With reference to Fig. 2, Fig. 7 and Fig. 8, first connecting rod 21 is fixed on 22 end of second connecting rod for convenience, in second connecting rod Be fixed with fixed link 221 on 22, first connecting rod 21 be set in the outside of fixed link 221, wherein in fixed link 221 have with Its integrally formed shaft shoulder 2210 is also threaded with locking nut 2212 in the outside of fixed link 221, when by first connecting rod 21 When being connected on second connecting rod 22, by 21 sets of the first connecting rod outsides in fixed link 221, and first connecting rod 21 is contradicted the On two connecting rods 22, tightening locking nut 2212 later can be fixed on first connecting rod 21 on second connecting rod 22；For reality Existing first connecting rod 21 is socketed in the positioning after fixed link 221, and sliding slot 210 is offered in first connecting rod 21, sliding in sliding slot 210 Shifting is connected with inserted block 211, while spring 212 will be connected between 210 slot bottom of sliding slot and inserted block 211, and open in fixed link 221 Equipped with the slot 2213 being inserted into for inserted block 211, when first connecting rod 21 is set in 221 outside of fixed link, in sliding slot 210 Under spring 212 acts on, inserted block 211 is inserted into the slot 2213 in fixed link 221, so as to realize to first connecting rod Positioning when 21 installation, and inserted block 211 has the effect of snap lock.

With reference to Fig. 5 and Fig. 6, in order to which the height to body 1 and arm cylinder 2 is adjusted, by the company of sliding along the vertical direction of body 1 It connects in L shaped plate 4, in order to drive body 1 to slide vertically, mounting blocks 11 is fixed on body 1, offer confession in L shaped plate 4 The notch 41 that mounting blocks 11 slide vertically, at the same in L shaped plate 4 also have with the integrally formed protrusion 42 of L shaped plate 4, and It is threaded with screw rod 110 on mounting blocks 11, one end of screw rod 110 is rotatably connected in protrusion 42, while in body 1 Bottom surface is further fixed on two guide rods 12, and offers in L shaped plate 4 pilot hole 43 slid for guide rod 12, when needing to adjust When the height of joint arm cylinder 2, operator can rotate screw rod 110, and the mounting blocks 11 on body 1 will be driven when screw rod 110 rotates It is slid vertically in the notch 41 in L shaped plate 4, then drives the arm cylinder 2 connected on body 1 and body 1 that the change of position occurs, And it is more stable to slide body 1 vertically.

With reference to Fig. 1 and Fig. 2, round bar 241 is driven to rotate in order to facilitate the operation of person, by round bar 241 far from electronic sphygmomanometer One end of ontology is further fixed on disk 2311, while disk 2311 is fixed with handlebar stem in one end bias far from round bar 241 2312, operator easily can drive round bar 241 to rotate in labour-saving by the handlebar stem 2312 shaken on disk 2311；In order to anti- Only sundries falls into arm cylinder 2 in device when not in use, is also hinged with cover board 25 in the end of arm cylinder 2, and is embedded admittedly in cover board 25 Surely there is the first magnetic block 251, be embedded in the end of arm cylinder 2 and be fixed with the second magnetic block 252, the hinged cover board 25 in 2 end of arm cylinder The opening of arm cylinder 2 can be blocked, anti-locking apparatus there are dust and other impurities to enter arm cylinder 2 when not in use, and when the lid of cover board 25 closes When, it will be so that cover board 25 be locked after blocking arm cylinder 2 under the suction-operated of the first magnetic block 251 and the second magnetic block 252.

The utility model be mainly on arm cylinder formula electronic sphygmomanometer arm cylinder 2 position adjust carry out improvement, below it is right With the technical issues of the application without very relationship and the specific measuring principle of the 2 formula sphygmomanometer of arm cylinder that belongs to the prior art solve It releases and illustrates, arm cylinder formula electronic sphygmomanometer generally comprises measurement component for measuring pressure value, is inflated to measurement component The air pump assembly of exhaust, to measurement component and the control assembly that is controlled of air pump assembly and for the power supply of power supply；Wherein survey Amount component includes surveying along pressure sensor arm the axial armband inconsistent with rigidity on circumferencial direction and be connected to armband Amount component is located in arm cylinder 2；Air pump assembly is located inside body 1, and is connected with measurement component, including be inflated to armband The motor of power, the charge valve for controlling air-pump inflating and control air pump row are provided with the air pump of exhaust, for air-pump inflating exhaust The exhaust valve of gas, armband and air pump are connected to form the first air duct, and it is logical that armband and pressure sensor are connected to form the second air Road；Control assembly guarantees that measuring component measures blood while air pump assembly is inflated by control motor and pressure sensor Pressure value.

Embodiment 2

Difference from example 1 is that one layer of nonpolluting coating is coated on the surface of arm cylinder 2, since arm cylinder 2 belongs to The component directly contacted with person under test, the surface of arm cylinder 2 are easy to accumulation dust, and the dust accumulated in order to prevent is sticked to arm cylinder 2 Surface is difficult to clean, therefore is coated with one layer of nonpolluting coating on the surface of arm cylinder 2, so that arm cylinder 2 is convenient for cleaning, therefore provides one kind The preparation method of nonpolluting coating has the advantages that preparation flow is short, it is simple to prepare, wherein the system of 2 surface soiling coating of arm cylinder Preparation Method is as follows:

Take following each component raw material for standby by weight: 32 parts of methyl methacrylate, 38 parts of polyethylene, polipropene 25 Part, 8 parts of Ethyl formate, 8 parts of propylene glycol, 8 parts of dimethyl silicone polymer, 8 parts of sodium lignin sulfonate；

S1, the production pre-prepared liquid of nonpolluting coating: methyl methacrylate, polyethylene, polypropylene, Ethyl formate are mixed equal It is added in reaction kettle after even, reactor temperature is heated to 143 DEG C, then keeps the temperature 35min；

S2, nonpolluting coating solution is prepared: after the pre-prepared liquid of nonpolluting coating that S1 is obtained is cooled to 93 DEG C, then to reaction kettle Interior addition propylene glycol, dimethyl silicone polymer, sodium lignin sulfonate, then bulk temperature is heated to 98 DEG C；

S3, coating: the nonpolluting coating solution that S2 is obtained is uniformly sprayed to the outer surface of arm cylinder 2 using spray gun；

S4, drying: arm cylinder 2 is dried in ventilating and cooling place.

Embodiment 3

With embodiment 2 the difference is that the preparation of 2 surface soiling coating of arm cylinder, the wherein preparation method of nonpolluting coating It is as follows:

Take following each component raw material for standby by weight: 33 parts of methyl methacrylate, 39 parts of polyethylene, polypropylene 26 Part, 8 parts of Ethyl formate, 8 parts of propylene glycol, 8 parts of dimethyl silicone polymer, 8 parts of sodium lignin sulfonate；

S1, the production pre-prepared liquid of nonpolluting coating: methyl methacrylate, polyethylene, polypropylene, Ethyl formate are mixed equal It is added in reaction kettle after even, reactor temperature is heated to 143 DEG C, then keeps the temperature 35min；

S2, nonpolluting coating solution is prepared: after the pre-prepared liquid of nonpolluting coating that S1 is obtained is cooled to 93 DEG C, then to reaction kettle Interior addition propylene glycol, dimethyl silicone polymer, sodium lignin sulfonate, then bulk temperature is heated to 98 DEG C；

S3, coating: the nonpolluting coating solution that S2 is obtained is uniformly sprayed to the outer surface of arm cylinder 2 using spray gun；

S4, drying: arm cylinder 2 is dried in ventilating and cooling place.

Embodiment 4

With embodiment 2 the difference is that the preparation of 2 surface soiling coating of arm cylinder, the wherein preparation method of nonpolluting coating It is as follows:

Take following each component raw material for standby by weight: 33 parts of methyl methacrylate, 39 parts of polyethylene, polypropylene 26 Part, 9 parts of Ethyl formate, 10 parts of propylene glycol, 9 parts of dimethyl silicone polymer, 8 parts of sodium lignin sulfonate；

S1, the production pre-prepared liquid of nonpolluting coating: methyl methacrylate, polyethylene, polypropylene, Ethyl formate are mixed equal It is added in reaction kettle after even, reactor temperature is heated to 143 DEG C, then keeps the temperature 35min；

S2, nonpolluting coating solution is prepared: after the pre-prepared liquid of nonpolluting coating that S1 is obtained is cooled to 93 DEG C, then to reaction kettle Interior addition propylene glycol, dimethyl silicone polymer, sodium lignin sulfonate, then bulk temperature is heated to 98 DEG C；

S3, coating: the nonpolluting coating solution that S2 is obtained is uniformly sprayed to the outer surface of arm cylinder 2 using spray gun；

S4, drying: arm cylinder 2 is dried in ventilating and cooling place.

Embodiment 5

With embodiment 2 the difference is that the preparation of 2 surface soiling coating of arm cylinder, the wherein preparation method of nonpolluting coating It is as follows:

Take following each component raw material for standby by weight: 34 parts of methyl methacrylate, 39 parts of polyethylene, polypropylene 26 Part, 9 parts of Ethyl formate, 10 parts of propylene glycol, 9 parts of dimethyl silicone polymer, 10 parts of sodium lignin sulfonate；

S1, the production pre-prepared liquid of nonpolluting coating: methyl methacrylate, polyethylene, polypropylene, Ethyl formate are mixed equal It is added in reaction kettle after even, reactor temperature is heated to 143 DEG C, then keeps the temperature 35min；

S2, nonpolluting coating solution is prepared: after the pre-prepared liquid of nonpolluting coating that S1 is obtained is cooled to 93 DEG C, then to reaction kettle Interior addition propylene glycol, dimethyl silicone polymer, sodium lignin sulfonate, then bulk temperature is heated to 98 DEG C；

S3, coating: the nonpolluting coating solution that S2 is obtained is uniformly sprayed to the outer surface of arm cylinder 2 using spray gun；

S4, drying: arm cylinder 2 is dried in ventilating and cooling place.

Embodiment 6

With embodiment 2 the difference is that the preparation of 2 surface soiling coating of arm cylinder, the wherein preparation method of nonpolluting coating It is as follows:

Take following each component raw material for standby by weight: 34 parts of methyl methacrylate, 39 parts of polyethylene, polypropylene 26 Part, 9 parts of Ethyl formate, 10 parts of propylene glycol, 9 parts of dimethyl silicone polymer, 10 parts of sodium lignin sulfonate；

S1, the production pre-prepared liquid of nonpolluting coating: methyl methacrylate, polyethylene, polypropylene, Ethyl formate are mixed equal It is added in reaction kettle after even, reactor temperature is heated to 142 DEG C, then keeps the temperature 40min；

S2, nonpolluting coating solution is prepared: after the pre-prepared liquid of nonpolluting coating that S1 is obtained is cooled to 93 DEG C, then to reaction kettle Interior addition propylene glycol, dimethyl silicone polymer, sodium lignin sulfonate, then bulk temperature is heated to 97 DEG C；

S3, coating: the nonpolluting coating solution that S2 is obtained is uniformly sprayed to the outer surface of arm cylinder 2 using spray gun；

S4, drying: arm cylinder 2 is dried in ventilating and cooling place.

Embodiment 7

With embodiment 2 the difference is that the preparation of 2 surface soiling coating of arm cylinder, the wherein preparation method of nonpolluting coating It is as follows:

Take following each component raw material for standby by weight: 34 parts of methyl methacrylate, 39 parts of polyethylene, polypropylene 26 Part, 9 parts of Ethyl formate, 10 parts of propylene glycol, 9 parts of dimethyl silicone polymer, 10 parts of sodium lignin sulfonate；

S1, the production pre-prepared liquid of nonpolluting coating: methyl methacrylate, polyethylene, polypropylene, Ethyl formate are mixed equal It is added in reaction kettle after even, reactor temperature is heated to 145 DEG C, then keeps the temperature 40min；

S2, nonpolluting coating solution is prepared: after the pre-prepared liquid of nonpolluting coating that S1 is obtained is cooled to 93 DEG C, then to reaction kettle Interior addition propylene glycol, dimethyl silicone polymer, sodium lignin sulfonate, then bulk temperature is heated to 99 DEG C；

S3, coating: the nonpolluting coating solution that S2 is obtained is uniformly sprayed to the outer surface of arm cylinder 2 using spray gun；

S4, drying: arm cylinder 2 is dried in ventilating and cooling place.

Embodiment 8

With embodiment 2 the difference is that the preparation of 2 surface soiling coating of arm cylinder, the wherein preparation method of nonpolluting coating It is as follows:

Take following each component raw material for standby by weight: 35 parts of methyl methacrylate, 42 parts of polyethylene, polypropylene 27 Part, 10 parts of Ethyl formate, 12 parts of propylene glycol, 10 parts of dimethyl silicone polymer, 10 parts of sodium lignin sulfonate；

S1, the production pre-prepared liquid of nonpolluting coating: methyl methacrylate, polyethylene, polypropylene, Ethyl formate are mixed equal It is added in reaction kettle after even, reactor temperature is heated to 142 DEG C, then keeps the temperature 40min；

S2, nonpolluting coating solution is prepared: after the pre-prepared liquid of nonpolluting coating that S1 is obtained is cooled to 93 DEG C, then to reaction kettle Interior addition propylene glycol, dimethyl silicone polymer, sodium lignin sulfonate, then bulk temperature is heated to 97 DEG C；

S3, coating: the nonpolluting coating solution that S2 is obtained is uniformly sprayed to the outer surface of arm cylinder 2 using spray gun；

S4, drying: arm cylinder 2 is dried in ventilating and cooling place.

The test of surface hardness and peel strength is carried out, to the arm cylinder 2 for being coated with nonpolluting coating in embodiment 2-8 in order to just In comparing, the data of all embodiments are normalized based on the data of embodiment 2.

Table 1

From the foregoing, it will be observed that due in embodiment 6 surface hardness of arm cylinder 2 and the test result of peel strength be coated with than other The embodiment of nonpolluting coating will be high, therefore the preparation method of the nonpolluting coating provided in embodiment 6 is optimal selection.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (7)

1. a kind of arm cylinder formula electronic sphygmomanometer, including body (1), it is connected on the body (1) for being inserted into arm detection blood The arm cylinder (2) of pressure, it is characterised in that: arm cylinder (2) bottom is fixed with first connecting rod (21), first connecting rod (21) disassembly It is connected to second connecting rod (22) end, the second connecting rod (22) is hinged on described in one end far from the first connecting rod (21) On body (1), the middle part of the second connecting rod (22) is also hinged with third connecting rod (23), the other end of the third connecting rod (23) It is hinged on one end of fourth link (24), the other end of the fourth link (24) is fixed with round bar (241), the body (1) On be fixed with L shape bar (10), the round bar (241) is rotatably connected in the L shape bar (10), is arranged on the L shape bar (10) There is the tight lock part (3) for locking the round bar (241).

2. a kind of arm cylinder formula electronic sphygmomanometer according to claim 1, it is characterised in that: the tight lock part (3) includes solid Determine ring (31), annular groove (310), arcuate friction block, arc compression block (32), fixed block (33), pull rod (34), limited block (340) and Tension spring (341), the fixed ring (31) and the round bar (241) are integrally formed, and the annular groove (310) is provided with the fixed ring (31) on, the fixed block (33) is fixed on the L shape bar (10), and the pull rod (34) is slidably connected at the fixed block (33) in, the arc compression block (32) is fixed on the one end of the pull rod (34) close to the fixed ring (31), and the arc rubs Cleaning block is fixed on the arc compression block (32) end, and the limited block (340) is fixed on the pull rod (34) far from the arc The outside of one end of briquetting (32), the pull rod (34) is also arranged with tension spring (341), and one end of the tension spring (341) is fixed on On the limited block (340), the other end of the tension spring (341) is fixed on the fixed block (33), in the tension spring (341) Under the action of, in the annular groove (310) that the arcuate friction block is embedded on the fixed ring (31) and limit the round bar (241) rotation.

3. a kind of arm cylinder formula electronic sphygmomanometer according to claim 1, it is characterised in that: solid on the second connecting rod (22) Surely have fixed link (221), the first connecting rod (21) is set in the outside of the fixed link (221), on the fixed link (221) With with its integrally formed shaft shoulder (2210), the outside of the fixed link (221) is also threaded with locking nut (2212).

4. a kind of arm cylinder formula electronic sphygmomanometer according to claim 3, it is characterised in that: opened in the first connecting rod (21) Equipped with sliding slot (210), sliding is connected with inserted block (211) in the sliding slot (210), sliding slot (210) slot bottom and the inserted block (211) it is connected between spring (212), the slot for the inserted block (211) insertion is offered on the fixed link (221) (2213)。

5. a kind of arm cylinder formula electronic sphygmomanometer according to claim 1, it is characterised in that: the body (1) is along vertical side It is connected on L shaped plate (4) to sliding, is fixed with mounting blocks (11) on the body (1), offered on the L shaped plate (4) for institute The notch (41) that mounting blocks (11) slide vertically is stated, is also had on the L shaped plate (4) integrally formed convex with the L shaped plate (4) Portion (42) out are threaded with screw rod (110) on the mounting blocks (11), and one end of the screw rod (110) is rotatably connected on institute It states in protrusion (42), the bottom surface of the body (1) is further fixed on two guide rods (12), offers confession in the L shaped plate (4) The pilot hole (43) of guide rod (12) sliding.

6. a kind of arm cylinder formula electronic sphygmomanometer according to claim 1, it is characterised in that: the round bar (241) is separate One end of the body (1) is further fixed on disk (2311), and the disk (2311) is inclined in one end far from the round bar (241) The heart is fixed with handlebar stem (2312).

7. a kind of arm cylinder formula electronic sphygmomanometer according to claim 1, it is characterised in that: the end of the arm cylinder (2) is also It is hinged with cover board (25), is embedded and is fixed with the first magnetic block (251) in the cover board (25), the end of the arm cylinder (2) is embedded It is fixed with the second magnetic block (252).