CN101647712B - Combined membrane and its matching component with stethoscope head - Google Patents
Combined membrane and its matching component with stethoscope head Download PDFInfo
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- CN101647712B CN101647712B CN2009101720371A CN200910172037A CN101647712B CN 101647712 B CN101647712 B CN 101647712B CN 2009101720371 A CN2009101720371 A CN 2009101720371A CN 200910172037 A CN200910172037 A CN 200910172037A CN 101647712 B CN101647712 B CN 101647712B
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- ring
- convex shoulder
- connecting portion
- combined membrane
- annular groove
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- 239000012528 membrane Substances 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims description 56
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000008859 change Effects 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 210000001835 viscera Anatomy 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000013536 elastomeric material Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 101150064138 MAP1 gene Proteins 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000002555 auscultation Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000009278 visceral effect Effects 0.000 description 1
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Abstract
The invention relates to a medical instrument accessory, in particular to a stethophone accessory. The invention discloses a combined membrane which comprises a round membrane and a fixer. The fixer comprises three parts including a big ring, a small ring and a connecting part, wherein the big ring is arranged below the connecting part, the small ring is arranged above the connecting part and radially provided with a ring slot, and the outer edge of the round membrane is positioned in the ring slot. The invention also provides a stethoscope head which comprises a stethoscope head body and a cylinder, wherein the cylinder and the stethoscope head body are integrated into a whole, the end surface of the cylinder is provided with an axial ring slot and a sound collecting surface; and a soundguide hole and a fixing hole are arranged on the sound collecting surface. The membrane has the advantages of good restoration and accurate positioning; the stethoscope head is easy to install and has strong tightness; and users can acutely acquire a matching structure of multitone only by changing force applied on the stethoscope head body.
Description
Technical field
The present invention relates to a kind of fitting of medical apparatus, stethoscope accessory especially is specially a kind of stethoscope diaphragm and uses the fit structure of this diaphragm-operated can and diaphragm and can.
Background technology
Stethoscope is the important tool that the medical and nursing work personnel carry out curative activity, and by stethoscopic sound amplification function, user can be recognized the active situation of the person's of seeing a doctor internal organs.Stethoscope is to collect by the operational sound that can will the person's of seeing a doctor internal organs to amplify, and is passed to the ear of user again via listening tube, earplug.
Judge the active situation of the person's of seeing a doctor internal organs, user needs the health with the diaphragm for stethoscope contact person of seeing a doctor, China Patent No. 200520122864.7 disclosed a kind of stethoscope diaphragms, in the use, diaphragm is to rely on the restoring force of diaphragm self to restore fully, thereby behind life-time service, because diaphragm material fatigue, usually cause diaphragm to restore, and the location is also inaccurate, thereby also can't judges the person's of seeing a doctor visceral motility situation exactly.
In addition, existing stethoscope needs rotating shaft when listening to the multiband audio frequency, and the different cans of conversion have reached the purpose of listening to different audio frequency.But the process of conversion can not only bothers but also consuming time, is not easy to use.
Summary of the invention
Main purpose of the present invention is, provides a kind of ruggedness strong, and a kind of combined membrane of accurate positioning.
Another object of the present invention is, provide a kind of user only need by the power that change puts on the can body can sharp obtain multitone combined membrane and with the fit structure of can body.
One of purpose of the present invention is achieved in that
A kind of combined membrane, comprise a circular film, also comprise a fixture, described fixture comprises large circle, small circle ring and connecting portion three parts, and large circle is positioned at the below of connecting portion, and small circle ring is positioned at the top of connecting portion, radially be provided with annular groove at small circle ring, wherein said large circle and described small circle ring diameter do not wait, and the diameter of described large circle is big, and the outer rim of described circular film is positioned at described annular groove.
Further; Below described small circle ring, also be provided with the ring-type convex shoulder.
Further; Described connecting portion is the folding bellows of annular or is the annulus that is provided with convex shoulder.
Wherein, described ring-type convex shoulder can be that the ring that seals continuously of circle, triangle, tetragon or U type etc. forms by the cross section.Wherein tetragon can be trapezoidal, rectangle, square etc.
Described fixture is that highly elastic material is made, as being made by materials such as rubber, silica gel.
A kind of can, comprise the can body, wherein the can body comprises the cavity that rotates for rotating shaft, the voice guide hole that is communicated with sound collecting surface and cavity, and the fixing hole of fixed rotating shaft and can body, also be provided with a cylinder, described can body comprises alt body and bass body two parts frequently, wherein, alt body frequently is meant the can body of listening to alt frequency one side, bass is meant the can body of listening to bass one side, described cylinder is positioned at the alt frequency body top of can body, described cylinder and described can body are one, on described cylinder end face, be provided with axial annular groove and sound collecting surface, on described sound collecting surface, be provided with voice guide hole and fixing hole.Wherein sound collecting surface, voice guide hole, fixing hole are same as the prior art.
Further; On the cylinder end face between described axial annular groove and the described sound collecting surface, also be provided with the ring-type convex shoulder.Or on described sound collecting surface, also being provided with the ring-type convex shoulder, described ring-type convex shoulder is higher than described cylinder end face.
Further; Also be provided with the sealing gasket that cooperates with the ring-type convex shoulder on the ring-type convex shoulder that is provided with on the cylinder end face or on the ring-type convex shoulder that is being provided with on the sound collecting surface.Sealing gasket is a ring-type.
Wherein, the fit system of sealing gasket and ring-type convex shoulder can have multiple, can be fixed on the ring-type convex shoulder by glue as sealing gasket; Sealing gasket also can axially established annular groove, the ring-type convex shoulder with cooperate annular groove, sealing gasket is fixed on the ring-type convex shoulder; Also can establish annular recess on axially at the ring-type convex shoulder, establish convex shoulder at sealing gasket on axially, convex shoulder is a ring-type, and convex shoulder cooperates with annular recess sealing gasket is fixed on the ring-type convex shoulder;
Further; Be provided with annular groove in described cylinder outer radial.
One of purpose of the present invention is achieved in that
The fit structure of a kind of can and combined membrane comprises can, diaphragm and C RunddichtringO;
Described diaphragm, comprise a circular film, also comprise a fixture, described fixture comprises large circle, small circle ring and connecting portion three parts, and large circle is positioned at the below of connecting portion, and small circle ring is positioned at the top of connecting portion, radially be provided with annular groove at small circle ring, wherein said large circle and described small circle ring diameter do not wait, and the diameter of described large circle is big, and the outer rim of described circular film is positioned at described annular groove;
Described can, comprise the can body, wherein the can body comprises the cavity that rotates for rotating shaft, the voice guide hole that is communicated with sound collecting surface and cavity, and the fixing hole of fixed rotating shaft and can body, also be provided with a cylinder, described can body comprises alt body and bass body two parts frequently, wherein, alt body frequently is meant the can body of listening to alt frequency one side, bass is meant the can body of listening to bass one side, described cylinder is positioned at the alt frequency body top of can body, described cylinder and described can body are one, on described cylinder end face, be provided with axial annular groove and sound collecting surface, on described sound collecting surface, be provided with voice guide hole and fixing hole.Wherein sound collecting surface, voice guide hole, fixing hole are same as the prior art.
Described diaphragm is positioned on the described cylinder, and described diaphragm-operated large circle embeds in the axial annular groove that described cylinder end face is provided with, the described cylinder outside and large circle are positioned at described C RunddichtringO C type groove, make and form collection sound chamber between described diaphragm and the sound collecting surface.
Further; On the cylinder end face between described axial annular groove and the described sound collecting surface, also be provided with the ring-type convex shoulder.Or on described sound collecting surface, also being provided with the ring-type convex shoulder, described ring-type convex shoulder is higher than described cylinder end face.
Further; Also be provided with the sealing gasket that cooperates with the ring-type convex shoulder on the ring-type convex shoulder that is provided with on the cylinder end face or on the ring-type convex shoulder that is being provided with on the sound collecting surface.Sealing gasket is a ring-type.
Wherein, the fit system of sealing gasket and ring-type convex shoulder can have multiple, can be fixed on the ring-type convex shoulder by glue as sealing gasket; Sealing gasket also can axially established annular groove, the ring-type convex shoulder with cooperate annular groove, sealing gasket is fixed on the ring-type convex shoulder; Also can establish annular recess on axially at the ring-type convex shoulder, establish convex shoulder at sealing gasket on axially, convex shoulder is a ring-type, and convex shoulder cooperates with annular recess sealing gasket is fixed on the ring-type convex shoulder.
Further; When not establishing the ring-type convex shoulder on the cylinder end face or on sound collecting surface, do not establish the ring-type convex shoulder, below the little annulus of described diameter, also can be provided with the ring-type convex shoulder.
Further; Described connecting portion is the folding bellows of annular.Or described connecting portion is the annulus that is provided with convex shoulder.
Further; Be provided with annular groove in described cylinder outer radial.
Wherein, when on can, establishing the ring-type convex shoulder, promptly on diaphragm, do not establish the ring-type convex shoulder; If on can, do not establish the ring-type convex shoulder when on diaphragm, establishing the ring-type convex shoulder.
The present invention has the following advantages:
1, the present invention has improved restorative behind the diaphragm deformation effectively.During bellows foldable structure that diaphragm of the present invention adopts, because the angle of each angle between the bellows foldable layer is all less than 60 degree, be generally 35 degree between 45 degree, and there is the annular seal centring ring at diaphragm-operated edge, resetting is accurate when having guaranteed that repeating motion is done downwards after stressed in diaphragm upper end, and the nerve after pressure disappears is good, secondly owing to the angle of each angle of bellows foldable layer is all spent less than 60, the support force that is produced is smaller comparatively speaking, so moving up and down, diaphragm only need impose the position that less external force just can make diaphragm arrival require, thereby the doctor as long as applying very little pressure on can just can obtain, has improved the sense of discomfort that bring greatly because of pressure at patient's auscultation position when diagnosis the time need be obtained another frequency band audio.
2, diaphragm of the present invention have durable in use, the advantage that life cycle is long.When diaphragm of the present invention adopts bellows foldable structure or connecting portion for band convex shoulder annulus, its counteracting force is only in folding angle when moving up and down under its effect in external force, and the deformation angle that each angle will be born in the entire work process that moves up and down very little (annotate: the total distance of motion is short and have a plurality of angles to share), the material indefatigability, diaphragm-operated other position of while all is in off working state thereby this diaphragm life cycle durable in use is long.3, diaphragm-operated large circle 122 is cooperating with the axial annular groove 222 of can body among the present invention, after large circle 122 axis are in annular groove 222 grooves, diaphragm is when moving up and down, diaphragm can not move, be convenient to install, accurate positioning, the large circle 122 that snaps in simultaneously coincide with the inner chamber of axial annular groove 222, make the 3 very sealings of collection sound chamber, improved hearing effect.The power that user only needs to put on the can body by change gets final product the sharp fit structure that obtain multitone.
Description of drawings
Fig. 1 is diaphragm sketch map of the present invention (connecting portion is shouldered annulus)
Fig. 2 is a diaphragm fixture sketch map of the present invention (connecting portion is shouldered annulus)
Fig. 3 is diaphragm of the present invention (connecting portion is the folding bellows of annular)
Fig. 4 is diaphragm fixture sketch map of the present invention (connecting portion is the folding bellows of annular)
Fig. 5 is provided with the sketch map that the cross section is the convex shoulder of semicircle for small circle ring
Fig. 6 is a can sketch map of the present invention
Fig. 7 is the schematic top plan view of Fig. 6
Fig. 8 is provided with the convex shoulder sketch map for can of the present invention on the cylinder end face
Fig. 9 is the schematic top plan view of Fig. 8
Figure 10 is provided with the convex shoulder sketch map on the can of the present invention on sound collecting surface
Figure 11 is the schematic top plan view of Figure 10
Figure 12 is the sketch map (establishing the ring-type convex shoulder on the diaphragm) of diaphragm of the present invention and can fit structure
Figure 13 is the sketch map (establishing the ring-type convex shoulder on the cylinder end face) of diaphragm of the present invention and can fit structure
Figure 14 is a C RunddichtringO sketch map of the present invention
Figure 15 is provided with the partial schematic diagram-1 of sealing gasket for convex shoulder 226 of the present invention
Figure 16 is provided with the partial schematic diagram-2 of sealing gasket for convex shoulder 226 of the present invention
Figure 17 is provided with the partial schematic diagram-3 of sealing gasket for convex shoulder 226 of the present invention
Figure 18 is provided with the partial schematic diagram-1 of sealing gasket for convex shoulder 228 of the present invention
Figure 19 is provided with the partial schematic diagram-2 of sealing gasket for convex shoulder 228 of the present invention
Figure 20 is provided with the partial schematic diagram-3 of sealing gasket for convex shoulder 228 of the present invention
Figure 21 is a can sketch map-1 of the present invention
Figure 22 is the sketch map (establishing the ring-type convex shoulder on the sound collecting surface) of diaphragm of the present invention and can fit structure
Among the figure:
1 diaphragm, 11 circular films, 12 fixtures, 121 small circle rings, 122 large circles, 123 connecting portions
124 annular grooves, 125 annulus, 126 convex shoulders, 127 ring-type convex shoulders, 128 folding bellows type annulus
2 cans, 21 can bodies, 22 cylinders, 221 cylinder end faces, 222 axial annular groove 223 sound collecting surfaces
224 voice guide holes, 225 fixing holes, 226 ring-type convex shoulders, 227 annular grooves, 228 ring-type convex shoulders, 229 end faces
220 cylinders outside A bass body B alt is body 223B sound collecting surface 224B voice guide hole frequently
230 sealing gaskets
3 collection sound chamber 4C RunddichtringO 41C type groove 5 cavitys
The specific embodiment
The present invention is described further below in conjunction with accompanying drawing
Embodiment 1: in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4 as can be known,
Combined membrane is made up of circular film 11 and fixture 12.Fixture 11 is structure as a whole, and comprises large circle 122 and small circle ring 121 and connecting portion 123.Wherein the diameter of large circle 122 is greater than the diameter of small circle ring 121, and large circle 122 is positioned at the below of connecting portion 123, and small circle ring 121 is positioned at the top of connecting portion 123, and small circle ring 121 radially is being provided with annular groove 124, and the outer rim of circular film 11 is positioned at annular groove 124.
All the other are the same,
In conjunction with the embodiments 1 and Fig. 1, Fig. 2 as can be known, connecting portion 123 is for being provided with the annulus 125 of convex shoulder 126;
In conjunction with the embodiments 1 and Fig. 3, Fig. 4 as can be known, connecting portion 123 is folding bellows type annulus; The angle of each angle between the bellows foldable layer is all less than 60 degree, and the angle between the bellows foldable layer can be 60 degree, 50 degree, 45 degree, 40 degree, 35 degree, 30 degree or the like.
In conjunction with Fig. 5 as can be known, also to be provided with the cross section be semicircular ring-type convex shoulder 127 in small circle ring 121 belows.The cross section of ring-type convex shoulder can also form for the ring that seals continuously of circle, triangle, tetragon, Y type, H type or U type etc.Wherein tetragon can be trapezoidal, rectangle, square.
Embodiment 2: the present invention is described further in conjunction with Fig. 6, Fig. 7, Figure 21
Can 2, comprise can body 21 and cylinder 22, can body 21 comprises to be listened to high frequency audio body A and listens to alt body B two parts frequently, cylinder 22 is positioned on the alt frequency body B of can body 21, cylinder 22 is one with can body 21, on cylinder end face 221, be provided with axial annular groove 222 and sound collecting surface 223, on sound collecting surface 223, be provided with voice guide hole 224 and fixing hole 225.The cylinder outside 220 radially is provided with annular groove 227.
Alt body B frequently is positioned at cavity 5 tops, bass body A is positioned at cavity 5 belows, bass body A is provided with sound collecting surface 223B, cavity 5 is between sound collecting surface 223B and sound collecting surface 223, sound collecting surface 223 is communicated with by voice guide hole 224 and fixing hole 225 respectively with cavity 5, and sound collecting surface 223B is communicated with by voice guide hole 224B with cavity 5.
In conjunction with Fig. 8, Fig. 9 as can be known: axially also be provided with ring-type convex shoulder 226 on the cylinder end face 221 between annular groove 222 and the sound collecting surface 223.
In conjunction with Figure 15, Figure 16, Figure 17 as can be known: also be provided with the sealing gasket 230 that cooperates with it on ring-type convex shoulder 226, sealing gasket 230 is a ring-type.As shown in Figure 15, sealing gasket 230 is fixed on ring-type convex shoulder 226 end faces.As shown in Figure 16, sealing gasket 230 is placed on the ring-type convex shoulder 226.As shown in Figure 17, ring-type convex shoulder 226 end faces are provided with groove, and sealing gasket 230 is provided with convex shoulder, and the convex shoulder of sealing gasket 230 cooperates fixing with the groove of ring-type convex shoulder 226.
In conjunction with Figure 10, Figure 11 as can be known: sound collecting surface 223 is provided with ring-type convex shoulder 228, and the end face 229 of ring-type convex shoulder 228 is higher than cylinder end face 221.In conjunction with Figure 18, Figure 19, Figure 20 as can be known: also be provided with the sealing gasket 230 that cooperates with it on ring-type convex shoulder 228, sealing gasket 230 is a ring-type.As shown in Figure 18, sealing gasket 230 is fixed on the end face 229 of ring-type convex shoulder 229.As shown in Figure 19, sealing gasket 230 is placed on the ring-type convex shoulder 228.As shown in Figure 20, the end face 229 of ring-type convex shoulder 228 is provided with groove, and sealing gasket 230 is provided with convex shoulder, and the convex shoulder of sealing gasket 230 cooperates fixing with the groove of ring-type convex shoulder 228.
Embodiment 3: the present invention is described further below in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Figure 12, Figure 14, Figure 21
The fit structure of can and combined membrane comprises can 2, diaphragm 1 and C RunddichtringO 4;
Can 2 comprises can body 21 and cylinder 22, can body 21 comprises alt body B and bass body A two parts frequently, cylinder 22 is positioned on the alt frequency body B of can body 21, cylinder 22 is one with can body 21, on cylinder end face 221, be provided with axial annular groove 222 and sound collecting surface 223, on sound collecting surface 223, be provided with voice guide hole 224 and fixing hole 225;
Alt body B frequently is positioned at cavity 5 tops, bass body A is positioned at cavity 5 belows, bass body A is provided with sound collecting surface 223B, cavity 5 is between sound collecting surface 223B and sound collecting surface 223, sound collecting surface 223 is communicated with by voice guide hole 224 and fixing hole 225 respectively with cavity 5, and sound collecting surface 223B is communicated with by voice guide hole 224B with cavity 5.
When the cylinder outside 220 radially was provided with annular groove 227, C RunddichtringO 4 one ends were positioned at annular groove 227, and the other end of C RunddichtringO 4 is positioned on cylinder end face 221 and the large circle 122.
In conjunction with Figure 12, Fig. 2, Fig. 4, Fig. 5 as can be known, when below small circle ring 121, being provided with ring-type convex shoulder 127.During use, between diaphragm 1 and sound collecting surface 223, form collection sound chamber 3.In the time of need listening to higher audio sound, depress can 2, ring-type convex shoulder 127 and cylinder end face 221 are offseted, thereby change the volume in collection sound chamber 3, realize listening to the purpose of high audio sound.
In conjunction with Figure 13, Figure 14, Figure 15, Figure 16, Figure 17, Figure 21 as can be known, axially also be provided with ring-type convex shoulder 226 on the cylinder end face 221 between annular groove 222 and the sound collecting surface 223.In conjunction with Figure 15, Figure 16, Figure 17 as can be known: also be provided with the sealing gasket 230 that cooperates with it on ring-type convex shoulder 226, sealing gasket 230 is a ring-type.As shown in Figure 15, sealing gasket 230 is fixed on ring-type convex shoulder 226 end faces.As shown in Figure 16, sealing gasket 230 is placed on the ring-type convex shoulder 226.As shown in Figure 17, ring-type convex shoulder 226 end faces are provided with groove, and sealing gasket 230 is provided with convex shoulder, and the convex shoulder of sealing gasket 230 cooperates fixing with the groove of ring-type convex shoulder 226.
During use, between diaphragm 1 and sound collecting surface 223, form collection sound chamber 3.When higher audio sound need be provided, depress can 2, the sealing gasket 230 that is fixed on the ring-type convex shoulder 226 and the inboard of diaphragm 1 are offseted, thereby realize changing the purpose of the volume in collection sound chamber 3.Because of sealing gasket 230 adopts elastomeric material, as rubber, silica gel etc., so the sealing effectiveness in collection sound chamber 3 is fine.
In conjunction with Figure 10, Figure 11, Figure 21, Figure 22 as can be known, also be provided with ring-type convex shoulder 228 on sound collecting surface 223, the end face 229 of ring-type convex shoulder 228 is higher than cylinder end face 221.In conjunction with Figure 18, Figure 19, Figure 20 as can be known: also be provided with the sealing gasket 230 that cooperates with it on ring-type convex shoulder 228, sealing gasket 230 is a ring-type.As shown in Figure 18, sealing gasket 230 is fixed on the end face 229 of ring-type convex shoulder 229.As shown in Figure 19, sealing gasket 230 is placed on the ring-type convex shoulder 228.As shown in Figure 20, the end face 229 of ring-type convex shoulder 228 is provided with groove, and sealing gasket 230 is provided with convex shoulder, and the convex shoulder of sealing gasket 230 cooperates fixing with the groove of ring-type convex shoulder 228.
During use, between diaphragm 1 and sound collecting surface 223, form collection sound chamber 3.In the time of need obtaining higher audio sound, depress can 2, the inboard of sealing gasket 230 and diaphragm 1 on the end face 229 that is fixed in ring-type convex shoulder 228 is offseted, thereby change the volume in collection sound chamber 3.Because of sealing gasket 230 adopts elastomeric material, as rubber, silica gel etc., so the sealing effectiveness in collection sound chamber 3 is fine.
In conjunction with Figure 12 as can be known: connecting portion 123 is the folding bellows 128 of annular.
In conjunction with Fig. 1, Fig. 2 as can be known: connecting portion 123 is for being provided with the annulus 125 of convex shoulder 126.
Claims (14)
1. combined membrane, comprise a circular film, it is characterized in that: also comprise a fixture, described fixture comprises large circle, small circle ring and connecting portion three parts, and large circle is positioned at the below of connecting portion, and small circle ring is positioned at the top of connecting portion, radially be provided with annular groove at small circle ring, wherein said large circle and described small circle ring diameter do not wait, and the diameter of described large circle is big, and the outer rim of described circular film is positioned at described annular groove.
2. a kind of combined membrane according to claim 1 is characterized in that: also be provided with the ring-type convex shoulder below described small circle ring.
3. a kind of combined membrane according to claim 1 and 2 is characterized in that: described connecting portion is the folding bellows of annular.
4. a kind of combined membrane according to claim 1 and 2 is characterized in that: described connecting portion is the annulus that is provided with convex shoulder.
5. the fit structure of can and combined membrane comprises can, diaphragm and C RunddichtringO, and described diaphragm comprises a circular film; Described can comprises the can body; Described can body comprises alt body and bass body two parts frequently, it is characterized in that: described diaphragm also comprises a fixture, described fixture comprises large circle, small circle ring and connecting portion three parts, large circle is positioned at the below of connecting portion, small circle ring is positioned at the top of connecting portion, radially is provided with annular groove at small circle ring, and wherein said large circle and described small circle ring diameter do not wait, the diameter of described large circle is big, and the outer rim of described circular film is positioned at described annular groove; Described can also is provided with a cylinder, described cylinder is positioned on the alt frequency body of can body, described cylinder and described can body are one, are provided with axial annular groove and sound collecting surface on described cylinder end face, are provided with voice guide hole and fixing hole on described sound collecting surface; Described diaphragm is positioned on the described cylinder, and large circle embeds in the axial annular groove that described cylinder end face is provided with, and the described cylinder outside and large circle are positioned at described C RunddichtringO C type groove, make and form collection sound chamber between described diaphragm and the sound collecting surface.
6. the fit structure of a kind of can according to claim 5 and combined membrane is characterized in that: also be provided with the ring-type convex shoulder on the cylinder end face between described axial annular groove and the described sound collecting surface.
7. the fit structure of a kind of can according to claim 6 and combined membrane is characterized in that: also be provided with the sealing gasket that cooperates with it on described ring-type convex shoulder.
8. the fit structure of a kind of can according to claim 5 and combined membrane is characterized in that: also be provided with the ring-type convex shoulder on described sound collecting surface, described ring-type convex shoulder is higher than described cylinder end face.
9. the fit structure of a kind of can according to claim 8 and combined membrane is characterized in that: also be provided with the sealing gasket that cooperates with it on described ring-type convex shoulder.
10. the fit structure of a kind of can according to claim 5 and combined membrane is characterized in that: also be provided with the ring-type convex shoulder below described small circle ring.
11. the fit structure according to described a kind of can of the arbitrary right of claim 5 to 10 and combined membrane is characterized in that: described connecting portion is the folding bellows of annular.
12. the fit structure according to described a kind of can of the arbitrary right of claim 5 to 10 and combined membrane is characterized in that: described connecting portion is the annulus that is provided with convex shoulder.
13. the fit structure of a kind of can according to claim 11 and combined membrane is characterized in that: be provided with annular groove in described cylinder outer radial.
14. the fit structure of a kind of can according to claim 12 and combined membrane is characterized in that: be provided with annular groove in described cylinder outer radial.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101720371A CN101647712B (en) | 2009-09-03 | 2009-09-03 | Combined membrane and its matching component with stethoscope head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101720371A CN101647712B (en) | 2009-09-03 | 2009-09-03 | Combined membrane and its matching component with stethoscope head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101647712A CN101647712A (en) | 2010-02-17 |
| CN101647712B true CN101647712B (en) | 2011-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101720371A Expired - Fee Related CN101647712B (en) | 2009-09-03 | 2009-09-03 | Combined membrane and its matching component with stethoscope head |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102217950B (en) * | 2010-04-16 | 2012-12-26 | 无锡市凯顺医疗器械制造有限公司 | Stethoscope head structure with adjustable voice frequency |
| US9801606B2 (en) | 2010-04-16 | 2017-10-31 | Xijie Shan | Stethoscope head with adjustable audio frequency |
| CN103006254B (en) * | 2010-04-16 | 2014-09-10 | 无锡市凯顺医疗器械制造有限公司 | Audio-adjustable listening head structure for stethoscope |
| CN103315768B (en) * | 2012-03-19 | 2014-11-05 | 无锡市凯顺医疗器械制造有限公司 | Structural component for fixing auscultator head and fixing part |
| CN103156635A (en) * | 2013-03-21 | 2013-06-19 | 无锡市凯顺医疗器械制造有限公司 | Combined-type stethoscope membrane assembly |
| CN105708488B (en) * | 2014-12-02 | 2018-09-21 | 无锡市凯顺医疗器械制造有限公司 | A kind of repeating anti-noise stethoscope head |
| US10292675B2 (en) | 2017-10-10 | 2019-05-21 | Ingen1, L.L.C. | Stethoscope |
| EP3694415B1 (en) * | 2017-10-10 | 2022-07-27 | Erdman, Frankie Wendell, Jr. | Stethoscope |
| CN211633336U (en) * | 2019-05-21 | 2020-10-09 | 无锡市凯顺医疗器械制造有限公司 | Multi-audio stethoscope listening head |
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| CN2555773Y (en) * | 2002-08-20 | 2003-06-18 | 谢伟康 | Earphone structure of stethoscope |
| CN2734142Y (en) * | 2004-06-09 | 2005-10-19 | 精国医疗器材有限公司 | Improved structure of stethoscope |
| CN2862969Y (en) * | 2005-09-30 | 2007-01-31 | 单希杰 | Stethoscope vibrating film |
| CN101091658A (en) * | 2007-07-17 | 2007-12-26 | 陈劲 | Detachable type stethoscopy head |
| CN201253219Y (en) * | 2008-09-19 | 2009-06-10 | 单希杰 | Stethoscope diaphragm deflection resetting device |
-
2009
- 2009-09-03 CN CN2009101720371A patent/CN101647712B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4440258A (en) * | 1982-05-12 | 1984-04-03 | Minnesota Mining & Manufacturing Company | Tunable stethoscope |
| US6499560B1 (en) * | 1999-06-11 | 2002-12-31 | Heinrich Lang | Disposable stethoscope diaphragm and dispenser |
| US6378648B1 (en) * | 2000-03-06 | 2002-04-30 | Marc S. Werblud | Diaphragm assembly for stethoscope chest piece |
| CN2555773Y (en) * | 2002-08-20 | 2003-06-18 | 谢伟康 | Earphone structure of stethoscope |
| CN2734142Y (en) * | 2004-06-09 | 2005-10-19 | 精国医疗器材有限公司 | Improved structure of stethoscope |
| CN2862969Y (en) * | 2005-09-30 | 2007-01-31 | 单希杰 | Stethoscope vibrating film |
| CN101091658A (en) * | 2007-07-17 | 2007-12-26 | 陈劲 | Detachable type stethoscopy head |
| CN201253219Y (en) * | 2008-09-19 | 2009-06-10 | 单希杰 | Stethoscope diaphragm deflection resetting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101647712A (en) | 2010-02-17 |
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