CN104490381B

CN104490381B - A kind of cuff type sphygomanometer

Info

Publication number: CN104490381B
Application number: CN201410855887.2A
Authority: CN
Inventors: 曾明发; 杨胜周; 李晨亮; 郑炜
Original assignee: BEIJING KANGKANG SHENGSHI INFORMATION TECHNOLOGY Co Ltd
Current assignee: BEIJING KANGKANG SHENGSHI INFORMATION TECHNOLOGY Co Ltd
Priority date: 2014-12-31
Filing date: 2014-12-31
Publication date: 2016-08-17
Anticipated expiration: 2034-12-31
Also published as: CN104490381A

Abstract

The invention discloses a kind of cuff type sphygomanometer, including sphygomanometer lower house and cuff, cuff is provided with a keyset, spaced two grabs are formed on keyset, sphygomanometer lower house is provided with the two grab passages corresponding with two grabs, a snap lock locking mechanism it is additionally provided with in the inside bottom surface of sphygomanometer lower house, molding one draw-in groove on snap lock locking mechanism, one grab passage in draw-in groove and two grab passages is connected, during installation, the one grab in two grabs sequentially passes through grab passage and draw-in groove, and is snapped on snap lock locking mechanism；The solution lockhole for snap lock locking mechanism is unlocked it is additionally provided with on sphygomanometer lower house.During installation, by elastic locking mechanism is performed telescopic action, grab is made to be snapped in completely in elastic locking mechanism；During dismounting, stretched into by auxiliary unlocking tool and active force is directly acted in elastic locking mechanism by solution lockhole, easily two grabs are disengaged from grab passage, improve dismounting and change the efficiency of cuff.

Description

A kind of cuff type sphygomanometer

Technical field

The present invention relates to blood pressure measurement technical field, be specifically related to a kind of cuff type sphygomanometer.

Background technology

Electric sphygmomanometer generally comprises main frame and cuff portions, has one in the sphygomanometer sold in the market Part uses the combination of unitary design, cuff and host main body by some frame for movement or special Finding realizes.Common coupling mechanism is to stretch out buckle at cuff, inserts what lower housing portion was arranged Opening.Although this structure is simple, be difficult to operation, give maintenance or change accessory and make troubles, exist because of Apply the risk that excessive external force causes deformation to be damaged.

Chinese patent literature CN 102813510 discloses a kind of electric sphygmomanometer, including: body and Cuff, cuff includes liner plate, and wherein, described liner plate one end is at least provided with a fixing grab, and the other end sets Have one can release grab, fixing grab with can release grab and include fastener portion and support arm respectively, described release card A shoulder is extended in the support arm both sides of hook, and can release offer a breach on grab at this；The end of lower house Portion has and holds grab and can release that grab is corresponding to be held end draw-in groove and can release end draw-in groove, and can release end card Groove is provided with stop part in the side with fastener portion clasp；Lower house bottom interior surface is near releasing at end draw-in groove Being provided with a shell fragment, this shell fragment includes that one presses portion and elastic, and the portion of pressing covers can release end draw-in groove one Point；Lower house sidewall has a through hole, and this through hole presses portion by releasing the breach on grab with shell fragment Press end face corresponding.There is techniques below problem in use in the disassembly mechanism in above-mentioned patent documentation:

A) stroke that aid gos deep into enclosure interior from housing sidewall through hole is long；

B) lacking effective position-limit mechanism, aid is prone to deviate target, is such as not passed through grab Middle opening arrives at shell fragment, has but withstood grab 7, then cannot realize unlocking, easily occur that operation is lost Situation by mistake, the most thus with hook structure complex；

C) mounting means of cuff only one, i.e. cuff towards being unique relative to main body And fixing.

Summary of the invention

To this end, it is low to the present invention seeks to solve cuff removal efficiency present in prior art, releasing process Easily there is operation deviation in middle auxiliary unlocking tool, thus causes unblock difficulty, the invention provides a kind of sleeve Belt sphygomanometer.

Used technical scheme is as described below:

A kind of cuff type sphygomanometer, including sphygomanometer lower house and cuff, described cuff is provided with a switching Plate, described keyset forms spaced two grabs, and described sphygomanometer lower house is provided with and institute State the two grab passages that two grabs are corresponding, the inside bottom surface of described sphygomanometer lower house is additionally provided with a bullet Property lockable mechanism, molding one draw-in groove on described snap lock locking mechanism, described draw-in groove and described two grab passages In one grab passage be connected, the one grab in two grabs described in during installation sequentially passes through described Grab passage and draw-in groove, and be snapped on described snap lock locking mechanism；Also set on described sphygomanometer lower house There is the solution lockhole for described snap lock locking mechanism is unlocked.

Described snap lock locking mechanism is a shell fragment, molding one locating slot on described sphygomanometer lower house, institute State shell fragment to be placed in described locating slot, the both sides of described shell fragment and described locating slot matched in clearance；Described card Slot shaping on described shell fragment, and with the one grab channel connection in described two grab passages；Described solution Lockhole is arranged at the side of described sphygomanometer lower house, and corresponding with the end position of described shell fragment.

Described shell fragment thickness is less than the degree of depth of described locating slot, described shell fragment upper surface and described locating slot institute The gap formed is less than 0.5mm.

Described shell fragment includes dead bolt and the spring leaf being connected with described dead bolt one end, and described spring leaf is along institute State two grabs line direction stretch, described draw-in groove takes shape on described dead bolt, described dead bolt two sides with Described locating slot matched in clearance；The other end of described dead bolt is corresponding with the position of described solution lockhole.

Described dead bolt is rectangular, and the minimum clearance that its two sides and described locating slot are formed is for being less than The every side of 0.5mm/.

The end of described dead bolt is additionally provided with a trip lever, and the free end of described trip lever is by described solution lockhole Stretching out, described trip lever coordinates with described unblock interporal lacuna.

Described spring leaf includes the first elastic arm and the second elastic arm, one end of described first elastic arm and described second One end of elastic arm is connected to each other, the other end of described first elastic arm and the second elastic arm respectively with described dead bolt End is fixing to be connected.

Described first elastic arm and the second elastic arm all take the shape of the letter U.

A locating dowel, described first elastic arm and the binding end molding of the second elastic arm it is additionally provided with in described locating slot One fixing hole, described locating dowel is connected with described fixing hole.

Described dead bolt and described spring leaf are integrated resin injection molding structure.

The present invention has the advantages that relative to prior art

A. the present invention is by arranging an elastic locking mechanism, in elastic locking mechanism on sphygomanometer lower house Upper molding one draw-in groove, during installation, makes elastic locking mechanism be squeezed, and one of them grab sequentially passes through In grab passage and draw-in groove, elastic locking mechanism is return under the effect of resilience force, makes draw-in groove move one End distance, causes grab to be snapped in completely on the platform that elastic locking mechanism is formed, another grab buckle On the bottom surface platform of sphygomanometer lower house, and then realize the firm combination of cuff and sphygomanometer lower house； When dismounting, owing to the present invention is provided with solution lockhole on sphygomanometer lower house, aid can be stretched into solution Active force is directly acted in elastic locking mechanism by lockhole, makes elastic locking mechanism deform upon, enter And release the elastic locking mechanism snap effect to grab, can be that two grabs are from grab passage very easily In disengage, improve dismounting and change cuff efficiency.

B. the present invention is for convenient disassembly, is also provided with trip lever, trip lever in elastic locking mechanism The end of one end and dead bolt fixing is connected, its other end stretches out, after needing to perform to dismantle by solving in lockhole During operation, the unblock that only trip lever need to will be promoted can to complete grab, it is not necessary to by means of any auxiliary work Tool, only can complete with finger；Simultaneously when cuff mounts and dismounts, there is not elastic deformation in grab, The most not by big external force, improve cuff and the reliability of product entirety.

Accompanying drawing explanation

In order to make present disclosure be more likely to be clearly understood, being embodied as below according to the present invention Example also combines accompanying drawing, and the present invention is further detailed explanation, wherein

Fig. 1 is the sphygomanometer structural representation that the present invention provides；

Fig. 2 is the adapter plate structure schematic diagram of Fig. 1 cuff provided by the present invention；

Fig. 3 is the fractionation schematic diagram of the sphygomanometer lower house in Fig. 1；

Fig. 4 is the chassis of sphygomanometer lower house and the integrated structure plane graph of elastic locking mechanism in Fig. 3；

Fig. 5 is the perspective view of Fig. 4；

Fig. 6 is the cross-sectional view after sphygomanometer lower house provided by the present invention is combined with keyset.

In figure: 1-sphygomanometer lower house 11-grab passage, 111-the first grab passage, 112-second blocks Hook passage, 12-locating slot；2-cuff；3-keyset, 31-grab, 311-the first grab, 312- Second grab, 32-pore；4-snap lock locking mechanism, 41-dead bolt, 42-spring leaf, 421-the first bullet Arm, 422-the second elastic arm, 43-trip lever；5-draw-in groove；6-solves lockhole, 7-locating dowel；8-fixing hole； 9-cuff trachea；10-lower cover, 20-chassis, 201-perforate, 202-threaded post.

Detailed description of the invention

For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to this Bright embodiment is described in further detail.

As depicted in figs. 1 and 2, the invention provides a kind of cuff type sphygomanometer, including sphygomanometer lower casing Body 1 and cuff 2, cuff 2 is provided with a keyset 3, and keyset 3 forms spaced two Grab 31, the respectively first grab 311 and the second grab 312, sphygomanometer lower house 1 be provided with The two grab passages 11 that two grabs 31 are corresponding, as shown in Figure 3 with shown in Fig. 4, two grabs therein Passage is respectively the first grab passage 111 and the second grab passage 112.Under sphygomanometer shown in Fig. 3 Housing 1 is made up of lower cover 10 and chassis 20, and lower cover 10 and chassis 20 use Split type structure, pass through Threaded post 202 on chassis 20 is threadeded with the bottom surface of lower cover 10, it is possible to use one-body molded knot Structure, two grab passages on chassis, its aperture area, more than the projected area of grab, so can be permitted Permitted every side correspondence grab to pass the most without let or hindrance.

Forming perforate 201 on chassis 20, the cuff trachea 9 on cuff 2 sequentially passes through keyset Pore 32 on 3 and the perforate on chassis 201 and sphygomanometer lower house 1 inner member (as sensor, Pump, valve etc.) form Guan Bi air loop.As shown in Figures 3 to 5, the present invention is at sphygomanometer lower house It is additionally provided with a snap lock locking mechanism 4, on snap lock locking mechanism 4 in the inside bottom surface (i.e. chassis 20) of 1 Molding one draw-in groove 5, one the first grab passage 111 in draw-in groove 5 and two grab passages 111,112 It is connected, as shown in Figure 4 and Figure 5.As shown in Figure 6, when mounted, first make in two grabs 31 The second grab 312 through in the second grab passage 112, then the first grab 311 is passed through successively Wear the first grab passage 111 and draw-in groove 5, and make it be snapped on snap lock locking mechanism 4；Under sphygomanometer The solution lockhole 6 for snap lock locking mechanism 4 is unlocked it is additionally provided with on housing 1.

Specifically, snap lock locking mechanism 4 is a shell fragment, on sphygomanometer lower house 1 (i.e. on chassis 20) Molding one locating slot 12, shell fragment is placed in locating slot 12, and the both sides of shell fragment are joined with locating slot 12 gap Close；Draw-in groove 5 takes shape on shell fragment, and connects with the first grab passage 111 in two grab passages 11； Solve lockhole 6 and be arranged at the side of sphygomanometer lower house 1, and corresponding with the end position of shell fragment, such as figure Shown in 4.

The shell fragment of the present invention is as it is shown on figure 3, include dead bolt 41 and the spring leaf being connected with dead bolt 41 one end 42, spring leaf 42 stretches along the line direction of two grabs 31, and draw-in groove 5 takes shape on dead bolt 41, Dead bolt 41 two sides and locating slot 12 matched in clearance；The other end of dead bolt 41 and the position solving lockhole 6 Corresponding.The present invention preferred dead bolt 41 is rectangular, between the minimum that its two sides and locating slot 12 are formed Gap is less than the every side of 0.5mm/.

Shell fragment thickness is preferably smaller than the degree of depth of locating slot 12, and shell fragment thickness here can refer to the thickness of dead bolt, The gap that i.e. dead bolt upper surface and locating slot 12 are formed, less than 0.5mm, during unassembled cuff 2, is removed Beyond gravity and chassis 20 support force, not by other external force, the most there is not elastic deformation in shell fragment.

Certainly within rectangular tongue can being placed in chassis locating slot, as shown in Figure 4, on the left of chassis 20 2 Individual threaded post 202 side is cut off one piece, and tangent plane is coplanar with locating slot 12 sidewall so that it is it is fixed to also assist in Position shell fragment.Locating slot 12 width should be greater than shell fragment, between the two away from should be less than the every side of 0.5mm/.Due to The setting position of the locating slot 12 in the present invention near the end of sphygomanometer lower house 10, the dead bolt of rectangle Distance that is close and that solve between lockhole 6 is less, and the formation of unlocking tool is short, it is simple to realize accurately unlocking. When using auxiliary unlocking tool, its one end is slim-lined construction, and length is more than 30mm, and cross section is rule Shaped cross border to keep certain distance with solving lockhole 6 inwall, and all-round spacing is more preferably greater than 0.1mm.

At special use occasion such as test model machine or displaying model machine, can be at dead bolt 41 End is additionally provided with a trip lever 43, and the free end of trip lever 43 stretches out by solving in lockhole 6, trip lever 43 With solution lockhole 6 matched in clearance, now, the dismounting of cuff 2 can assist unlocking tool, only uses hands Finger can complete.Certainly, it is possible in solution of being submerged by trip lever 43 lockhole 6, it is not made to stretch out solution lockhole 6, On the one hand solve lockhole 6 and trip lever 43 can be realized location, play the effect guided that unlocks, also simultaneously The length of auxiliary unlocking tool can be shortened further, it is simple to find and be unlocked behaviour for the instrument unlocked Make, specifically as shown in Fig. 3 structure.

Specifically, wherein spring leaf 42 includes the first elastic arm 421 and the second elastic arm 422, the first elastic arm One end of 421 is connected to each other with one end of the second elastic arm 422, the first elastic arm 421 and the second elastic arm 422 The other end fixing with the end of dead bolt 41 be respectively connected.Preferably spring leaf 42 structure such as Fig. 3 and Tu Shown in 4, the first elastic arm 421 and the second elastic arm 422 all take the shape of the letter U.

It is further preferred that be additionally provided with a locating dowel 7 in locating slot 12, the first elastic arm 421 and Binding end molding one fixing hole 8 of two elastic arms 422, as shown in Figure 3 and Figure 4, locating dowel 7 is with fixing Hole 8 is connected, and between the two away from should be less than 0.3mm, locating dowel 7 can be further to spring leaf 42 Position positions.

Certainly, the dead bolt 41 in accompanying drawing is integrated resin injection molding structure with spring leaf 42；Therein Spring leaf 42 can also be commercial metals compression spring, and shell fragment material should select low-friction coefficient, height The material of wearability, such as nylon, POM, metal etc..

In detail below the assembly and disassembly process of sphygomanometer is described in detail:

(1) assembling of sphygomanometer

Sphygomanometer in process of production, carries out body and cuff assembly the most respectively, then by cuff assembly with Body combines.Now, first by a wherein grab, it is designated as A, without that side of shell fragment on alignment chassis 20 Grab passage, be pressed into.

Then adjust chassis 20 and the relative position of cuff 2 assembly, make the grab that A grab passes to it The chassis platform of passage 4 side moves, it is achieved the wherein installation of a grab.

By the grab of opposite side, it is designated as B, grab passage 11 corresponding on alignment chassis 20, firmly will It is pressed into.Now, the inclined-plane on the upside of grab hook portion can touch the dead bolt 41 of shell fragment, applies one to it Pressure, is pressed into grab offside in the horizontal direction by it, and the spring leaf 42 of shell fragment is compressed and elasticity occurs Deformation.After grab hook portion lifting height exceedes dead bolt 41, dead bolt 41 is by because of the anti-work of spring leaf 42 Firmly returning a segment distance, just pin grab 31, the amount of elastic deformation of spring leaf 42 can reduce one Point, thus complete the installation of keyset.

(2) during dismounting cuff, the safest placement or hand-held sphygomanometer.

Using auxiliary unlocking tool, its one end is slim-lined construction, and length is more than 30mm, and cross section is rule Shape, cross sectional boundary will with shell fragment keyhole inwall keep certain distance, all-round spacing more preferably greater than 0.1mm。

The elongated portion of unlocking tool is stretched into the solution lockhole on chassis, touches the tip of dead bolt, firmly to Sphygomanometer inside chassis top dead bolt tip, thus drive dead bolt to leave grab, simultaneously downward by suitable power Drawing cuff, when the displacement that dead bolt is inside exceedes grab hook portion length, the locking of grab is unlocked, Now, drive grab is exited by downward pulling force from grab passage；Then suitable relative movement chassis and sleeve Band can take off opposite side grab, completes cuff dismounting.

Above-mentioned chassis 20 and cuff keyset 3 material are usually engineering plastics, such as ABS, PC etc.. Elastic locking mechanism provided by the present invention can apply and can also apply in wrist on upper arm sphygmomanometer On formula sphygomanometer.

Certainly, the occasion requiring cuff assembly direction, on two grabs on cuff base plate and chassis Grab passage can be designed to different size or shape, to guarantee the correct assembly direction of cuff；When When cuff assembly direction is not required, the grab of both sides and grab passage, can enter premised on exchanging Row design, makes installation cuff more flexible.

Obviously, above-described embodiment is only for clearly demonstrating example, and not to embodiment Restriction.For those of ordinary skill in the field, can also do on the basis of the above description Go out change or the variation of other multi-form.Here without also all of embodiment being given thoroughly Lift.And the obvious change thus extended out or variation still in protection scope of the present invention it In.

Claims

1. a cuff type sphygomanometer, including sphygomanometer lower house (1) and cuff (2), described cuff (2) it is provided with a keyset (3), described keyset (3) forms spaced two grabs (31), Described sphygomanometer lower house (1) is provided with the two grab passages (11) corresponding with described two grabs (31), It is characterized in that, the inside bottom surface of described sphygomanometer lower house (1) is additionally provided with a snap lock locking mechanism (4), the upper molding one draw-in groove (5) of described snap lock locking mechanism (4), described draw-in groove (5) and described two One grab passage in grab passage (11) is connected, its in two grabs (31) described in during installation One grab sequentially passes through described grab passage and draw-in groove (5), and is snapped in described snap lock locking mechanism (4) On；It is additionally provided with on described sphygomanometer lower house (1) for described snap lock locking mechanism (4) is solved The solution lockhole (6) of lock.

Cuff type sphygomanometer the most according to claim 1, it is characterised in that described elastic locking Mechanism (4) is a shell fragment, the molding one locating slot (12) on described sphygomanometer lower house (1), institute State shell fragment to be placed in described locating slot (12), the both sides of described shell fragment and described locating slot (12) gap Coordinate；Described draw-in groove (5) takes shape on described shell fragment, and with in described two grab passages (11) One grab channel connection；Described solution lockhole (6) is arranged at the side of described sphygomanometer lower house (1), And it is corresponding with the end position of described shell fragment.

Cuff type sphygomanometer the most according to claim 2, it is characterised in that described shell fragment thickness Less than the degree of depth of described locating slot (12), described shell fragment upper surface is formed with described locating slot (12) Gap less than 0.5mm.

4. according to the cuff type sphygomanometer described in Claims 2 or 3, it is characterised in that described shell fragment Including dead bolt (41) and the spring leaf (42) that is connected with described dead bolt (41) one end, described spring leaf (42) stretch in the line direction along described two grabs (31), and described draw-in groove (5) takes shape in described On dead bolt (41), described dead bolt (41) two sides and described locating slot (12) matched in clearance；Described The other end of dead bolt (41) is corresponding with the position of described solution lockhole (6).

Cuff type sphygomanometer the most according to claim 4, it is characterised in that described dead bolt (41) Rectangular, the minimum clearance that its two sides and described locating slot (12) are formed is for every less than 0.5mm/ Side.

Cuff type sphygomanometer the most according to claim 4, it is characterised in that described dead bolt (41) End be additionally provided with a trip lever (43), the free end of described trip lever (43) is by described solution lockhole (6) In stretch out, described trip lever (43) and described solution lockhole (6) matched in clearance.

Cuff type sphygomanometer the most according to claim 6, it is characterised in that described spring leaf (42) Including the first elastic arm (421) and the second elastic arm (422), one end of described first elastic arm (421) with One end of described second elastic arm (422) is connected to each other, described first elastic arm (421) and the second elastic arm (422) The other end fixing with the end of described dead bolt (41) be respectively connected.

Cuff type sphygomanometer the most according to claim 7, it is characterised in that described first elastic arm (421) and the second elastic arm (422) all takes the shape of the letter U.

Cuff type sphygomanometer the most according to claim 8, it is characterised in that described locating slot (12) Inside it is additionally provided with a locating dowel (7), described first elastic arm (421) and the combination of the second elastic arm (422) End molding one fixing hole (8), described locating dowel (7) is connected with described fixing hole (8).

Cuff type sphygomanometer the most according to claim 9, it is characterised in that described dead bolt (41) It is integrated resin injection molding structure with described spring leaf (42).