CN202568303U - Split type stethoscope head of stethoscope - Google Patents
Split type stethoscope head of stethoscope Download PDFInfo
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- CN202568303U CN202568303U CN 201220215001 CN201220215001U CN202568303U CN 202568303 U CN202568303 U CN 202568303U CN 201220215001 CN201220215001 CN 201220215001 CN 201220215001 U CN201220215001 U CN 201220215001U CN 202568303 U CN202568303 U CN 202568303U
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Abstract
The utility model relates to a fitting of a medical appliance and particularly relates to a fitting of a stethoscope, in particular to a split type stethoscope head of a stethoscope, which comprises a stethoscope head body and a sound conducting passage in the stethoscope head body, the sound conducting passage comprises a sound collecting face, a sound conducting hole and a side sound conducting hole, and the sound conducting hole is communicated with the side sound conducting hole; the stethoscope head body is in a split type; and the stethoscope head body comprises an upper stethoscope head body or a lower stethoscope head body which are mutually matched and fixed, and a sound conducting layer is arranged on at least part of the sound conducting passage. The split type stethoscope head of the stethoscope has the advantages of light weight and low cost and is easy to process.
Description
Technical field
This utility model relates to a kind of fitting of medical apparatus, relates in particular to stethoscopic accessory, is specially stethoscope tin.
Background technology
Faster because of the speed that sound conducts in the high density material, the decay more little; The stethoscope tin of prior art all is to adopt the high material of density to process, and prepares stethoscope tin like copper (density 8.9g/cm3), titanium alloy (density 7.82 g/cm3) rustless steel, steel (density 7.8 g/cm3), kirsite materials such as (density 6.58.9g/cm3).But the price comparison of this type of material costliness, Heavy Weight, color are single, feel not light during use.
Secondly, during with material preparation stethoscope tin such as titanium alloy, copper, rustless steels, the cost of charp tool that expends is very high, and process time is longer, and cost is expensive, has increased the use cost of consumer to a great extent.
Moreover existing stethoscope tin all is one, listens the similar waist drum shape of head shapes, and big centre, two is thin, if adopt the casting rule cannot the demoulding, thus can only make through the mode of Vehicle Processing, so work efficiency is lower.
The utility model content
The purpose of this utility model is to provide a kind of demoulding of being convenient to, in light weight, cheap and stethoscope tin that do not influence hearing effect.
The goal of the invention of this utility model is achieved in that
A kind of split type stethoscope tin comprises the leading note passage in can body and the can body, and said leading note passage comprises sound collecting surface, voice guide hole and side voice guide hole, and said sound collecting surface, said voice guide hole and said side voice guide hole are located on the said can body; Said voice guide hole intersects with said side voice guide hole and communicates; Said can body is split type, and the can body comprises can body or following can body, said can body and the said can body matching and fixing down of going up, and the said leading note passage of part is provided with the leading note layer at least.Wherein the side voice guide hole is used to settle connecting rod or rotating shaft, and connecting rod is the connector that is used to be connected can body and listening tube with rotating shaft.
Further; Said sound collecting surface comprises sound collecting surface and following sound collecting surface; The said sound collecting surface of going up is positioned at said going up on the can body; Said sound collecting surface down is positioned on the said can body down, and said side voice guide hole is positioned on the said can body down, and the maximum gauge of said sound collecting surface down is less than the said maximum gauge of going up sound collecting surface.
Further, the said sound collecting surface of going up is provided with the leading note layer that cooperates with it; Or said sound collecting surface down is provided with the leading note layer that cooperates with it.
Further, said voice guide hole comprises the last voice guide hole that is arranged in the can body and is arranged in the following voice guide hole of can body down, is provided with the leading note layer that cooperates with it at least in the said voice guide hole of part.
Further, being arranged in the said leading note layer of going up on the sound collecting surface is one with being positioned at the said leading note layer of going up voice guide hole.
Further, the leading note layer that is arranged on the said sound collecting surface down is an one with being positioned at the said leading note layer of voice guide hole down.
Further, be positioned at the said said voice guide hole of going up the can body and be provided with the female thread that cooperates with following can body; A said end outer rim of can body down is provided with the external screw thread with said screw-internal thread fit, and said upward can body and said can body down are through said female thread and said external screw thread matching and fixing.
Further; Be positioned at the said below of the upper surface of can body down and be provided with the ring plain parallel with said upper surface; When said upward can body and said can body matching and fixing down, be provided with sealing device between the lower surface of said ring plain and said upward can body.
A kind of split type stethoscope tin comprises the leading note passage in can body and the can body, and said leading note passage comprises sound collecting surface, voice guide hole and side voice guide hole, and said sound collecting surface, said voice guide hole and said side voice guide hole are located on the said can body; Said voice guide hole intersects with said side voice guide hole and communicates;
Said can body is split type, and the can body comprises can body or following can body, said can body and the said can body matching and fixing down of going up, and the said leading note passage of part is provided with the leading note layer at least;
Wherein the side voice guide hole is used to settle connecting rod or rotating shaft, and connecting rod is the connector that is used to be connected can body and listening tube with rotating shaft;
Said sound collecting surface comprises sound collecting surface and following sound collecting surface; The said sound collecting surface of going up is positioned at said going up on the can body; Said sound collecting surface down is positioned on the said can body down; Said side voice guide hole is positioned on the said can body down, and the maximum gauge of said sound collecting surface down is less than the said maximum gauge of going up sound collecting surface;
The said sound collecting surface of going up is provided with the leading note layer that cooperates with it;
Further, the said can body and said down when the can body cooperates of going up, the said voice guide hole of going up is to communicate with following voice guide hole, said under voice guide hole communicate with said side voice guide hole; Be positioned at the said voice guide hole of going up and be provided with the first special-shaped hollow rivet that cooperates with it; The medicated cap portion outer surface of the said first special-shaped hollow rivet cooperates with the said sound collecting surface of going up; The bar of the said first special-shaped hollow rivet is deployed in said and is gone up in the voice guide hole, said bar portion with said on voice guide hole cooperate; The bar chamber of the said first special-shaped hollow rivet connects the two ends of the said first special-shaped hollow rivet along axis, and the bar chamber of the said first different in nature hollow rivet communicates with said side voice guide hole.
A kind of split type stethoscope tin comprises the leading note passage in can body and the can body, and said leading note passage comprises sound collecting surface, voice guide hole and side voice guide hole, and said sound collecting surface, said voice guide hole and said side voice guide hole are located on the said can body; Said voice guide hole intersects with said side voice guide hole and communicates;
Said can body is split type, and the can body comprises can body or following can body, said can body and the said can body matching and fixing down of going up, and the said leading note passage of part is provided with the leading note layer at least;
Wherein the side voice guide hole is used to settle connecting rod or rotating shaft, and connecting rod is the connector that is used to be connected can body and listening tube with rotating shaft;
Said sound collecting surface comprises sound collecting surface and following sound collecting surface; The said sound collecting surface of going up is positioned at said going up on the can body; Said sound collecting surface down is positioned on the said can body down; Said side voice guide hole is positioned on the said can body down, and the maximum gauge of said sound collecting surface down is less than the said maximum gauge of going up sound collecting surface;
Said sound collecting surface down is provided with the leading note layer that cooperates with it;
Further; Said voice guide hole one end down is provided with the hollow rivet that cooperates with it; The bar chamber of said hollow rivet connects the two ends of said hollow rivet along axis; A said hollow rivet medicated cap portion and a said end face of can body down closely cooperate said hollow rivet rod end and said side voice guide hole butt; The said voice guide hole other end down is provided with the second special-shaped hollow rivet that cooperates with it; The medicated cap portion outer surface of the said second special-shaped hollow rivet cooperates with said sound collecting surface down; The bar chamber of the said second special-shaped hollow rivet connects two ends, the rod end of said special-shaped hollow rivet and the said side voice guide hole butt of the said second special-shaped hollow rivet along axis.
Further; Or said voice guide hole one end down is provided with the hollow rivet that cooperates with it; The bar chamber of said hollow rivet connects the two ends of said hollow rivet along axis; Said hollow rivet medicated cap portion cooperates with a said end face of can body down, and said hollow rivet bar portion is provided with the hole that communicates with said side voice guide hole and connect a side lever portion tube wall at least; The said voice guide hole other end down is provided with the second special-shaped hollow rivet that cooperates with it; The medicated cap portion outer surface of the said second special-shaped hollow rivet cooperates with said sound collecting surface down; The bar chamber of the said second special-shaped hollow rivet connects two ends, the said second special-shaped hollow rivet rod end and the said hollow rivet rod end butt of the said second special-shaped hollow rivet along axis.
Further, or said down voice guide hole one end is provided with the hollow rivet that cooperates with it, and the bar chamber of said hollow rivet connects the two ends of said hollow rivet along axis, and the medicated cap portion of said hollow rivet cooperates with the said end face of can body that descends; The said voice guide hole other end down is provided with the second special-shaped hollow rivet that cooperates with it; The medicated cap portion outer surface of the said second special-shaped hollow rivet cooperates with said sound collecting surface down; The bar chamber of the said second special-shaped hollow rivet connects the two ends of the said second special-shaped hollow rivet along axis, and the said second special-shaped hollow rivet bar portion is provided with the hole that communicates with said side voice guide hole and connect a side lever portion tube wall at least; The said second special-shaped hollow rivet rod end and said hollow rivet rod end butt.
Be provided with the hollow pipe that cooperates with it further, or in the said voice guide hole down; Said voice guide hole one end down is provided with the hollow rivet that cooperates with it; The bar chamber of said hollow rivet connects the two ends of said hollow rivet along axis; The medicated cap portion of said hollow rivet cooperates an end butt of said hollow rivet rod end and said hollow pipe with a said end face of can body down; The said other end of voice guide hole down is provided with the second special-shaped hollow rivet that cooperates with it; The medicated cap portion outer surface of the said second special-shaped hollow rivet cooperates with said sound collecting surface down; The bar chamber of the said second special-shaped hollow rivet connects the two ends of the said second special-shaped hollow rivet, the other end butt of the rod end of the said second special-shaped hollow rivet and said hollow pipe along axis; Said side voice guide hole communicates with the bar chamber of said hollow pipe tube chamber, said hollow rivet, the bar chamber of the said second special-shaped hollow rivet; Said hollow pipe is provided with the hole that connects a side pipe wall at least and communicate with said side voice guide hole.
Further, or have in the said down voice guide hole and cooperate hollow pipe with it; Said voice guide hole one end down is provided with the hollow rivet that cooperates with it; The bar chamber of said hollow rivet connects the two ends of said hollow rivet along axis; Said hollow rivet medicated cap portion cooperates with a said end face of can body down, and the bar of said hollow rivet is deployed in the tube chamber of said hollow pipe one end and closely cooperated with said hollow pipe; The said voice guide hole other end down is provided with the second special-shaped hollow rivet that cooperates with it; The medicated cap portion outer surface of the said second special-shaped hollow rivet cooperates with said sound collecting surface down; The bar chamber of the said second special-shaped hollow rivet connects the two ends of the said second special-shaped hollow rivet along axis, and the bar of the said second special-shaped hollow rivet is deployed in the tube chamber of the said hollow pipe other end and with said hollow pipe and closely cooperated; Said side voice guide hole communicates with the bar chamber of said hollow pipe tube chamber, said hollow rivet, the bar chamber of the said second special-shaped hollow rivet; Said hollow pipe is provided with the hole that connects a side pipe wall at least and communicate with said side voice guide hole.
Further, or the can body also comprises hollow pipe under said, and said hollow pipe places in the said voice guide hole, and forms rotatable and immovable the fixed connection with said can body down; Said voice guide hole one end down is provided with the hollow rivet that cooperates with it; The bar chamber of said hollow rivet connects the two ends of said hollow rivet along axis; A said hollow rivet medicated cap portion and a said end face of can body down closely cooperate an end butt of said hollow rivet rod end and said hollow pipe; Be positioned at the said said voice guide hole other end of can body down and be provided with the special-shaped hollow rivet that cooperates with it; The medicated cap portion outer surface of the said second special-shaped hollow rivet and said sound collecting surface down fit like a glove; The bar chamber of the said second special-shaped hollow rivet connects the two ends of the said second special-shaped hollow rivet, the other end butt of the rod end of the said second special-shaped hollow rivet and said hollow pipe along axis; Said side voice guide hole communicates with the bar chamber of said hollow pipe tube chamber, said hollow rivet, the bar chamber of the said second special-shaped hollow rivet; Said hollow pipe is provided with the hole that connects a side pipe wall at least and communicate with said side voice guide hole.
Said go up the can body and said can body down can be threaded engagement, interference fit, be clasped, spinner cooperates or the like,
A kind of split type stethoscope tin comprises the leading note passage in can body and the can body, and said leading note passage comprises sound collecting surface, voice guide hole and side voice guide hole, and said sound collecting surface, said voice guide hole and said side voice guide hole are located on the said can body; Said voice guide hole intersects with said side voice guide hole and communicates;
Said can body is split type, and the can body comprises fixed can body or the following can body gone up that cooperatively interact, and said side sound collecting surface is positioned on the said can body down;
Said sound collecting surface comprises sound collecting surface and following sound collecting surface, and the said sound collecting surface of going up is positioned at said going up on the can body, and said sound collecting surface down is positioned on the said can body down; The maximum gauge of said sound collecting surface down is less than the said maximum gauge of going up sound collecting surface;
Said voice guide hole comprises the last voice guide hole that is positioned at the can body and is positioned at the following voice guide hole of can body down that when said upward can body and the said cooperation of can body down, said upward voice guide hole and said voice guide hole down communicate; Said voice guide hole down communicates with said side voice guide hole; And said upward sound collecting surface and said sound collecting surface down communicate with said side voice guide hole through said upward voice guide hole and said voice guide hole down respectively;
Being arranged in the said leading note layer of going up on the sound collecting surface can be split with being positioned at the said leading note layer of going up voice guide hole, also can be whole;
Be arranged in and saidly go up leading note layer on the sound collecting surface when to be positioned at the said leading note layer of going up voice guide hole be whole: said leading note layer is the first special-shaped hollow rivet; The medicated cap portion outer surface of the said first special-shaped hollow rivet and the said sound collecting surface of going up coincide; The bar of the said first special-shaped hollow rivet is deployed in said and is gone up in the voice guide hole, and said bar portion and said upward voice guide hole can be fit systems such as threaded engagement, interference fit, matched in clearance; The bar chamber of the said first special-shaped hollow rivet connects the two ends of the said first special-shaped hollow rivet along axis, and the bar chamber of said different in nature hollow rivet communicates with said voice guide hole down;
Be arranged in said go up on the sound collecting surface the leading note layer be positioned at the said leading note layer of going up voice guide hole be split the time: saidly go up leading note layer on the sound collecting surface with said to go up the sound collecting surface shape identical; And the hole that connects leading note layer bottom communicates with the said voice guide hole of going up; The said leading note layer of going up in the voice guide hole is a hollow pipe, and the tube chamber of said hollow pipe communicates with the said leading note layer of going up on the sound collecting surface.
Wherein, said leading note layer and the said voice guide hole of going up in the voice guide hole is interference fit or threaded engagement, matched in clearance.
Be positioned at the said said voice guide hole inwall of going up the can body and be provided with the female thread that cooperates with following can body; A said end outer rim of can body down is provided with the external screw thread with said screw-internal thread fit, and said upward can body and said can body down are through said female thread and said external screw thread matching and fixing.
The utlity model has following advantage:
Because the can body adopts split-type structural,, when adopting low density material preparation, reduced the weight of can body effectively so upper and lower can body can adopt the different densities material preparation; Secondly, because the conductive process of sound carries out in the leading note passage, be the high material preparation of density and the leading note passage adopts, to the conduction of sound wave with increase good performance is all arranged,, also have the following advantages simultaneously so do not influence the effect of audition:
One, reduces the use amount of high density material, can reduce original high density material 50% above use amount, the use cost of the material that descends significantly.
Two, the processing capacity of reduction high density material (can deduct the processing capacity of original high density material more than 40%; Expend cutter consumption and process time thereby reduce the required height of processing high density material, the cost of processing that descends significantly, lower like processing method, efficient height, the processing cost of employing low density material injection moulding parcel high density material.
Three, reduced weight, this utility model have only 60% of original weight, use lightly easy to carry.
Four, enriched the selection of color, simultaneously various collocation of colour is provided also, can select various colors etc. for use like the material of two kinds of density.
Five, owing to adopt split-type structural, on listen head and following tin head can adopt the mode of casting to be shaped, improved the difficulty that prior art turning processes and the job costs of reduction greatly.
Description of drawings
Fig. 1 is this utility model assembling sketch map-1;
Fig. 2 is this utility model assembling sketch map-2;
Fig. 3 is this utility model decomposing schematic representation-1;
Fig. 4 is a sketch map after the assembling of this utility model Fig. 3;
Fig. 5 is this utility model generalized section-1;
Fig. 6 is this utility model generalized section-2;
Fig. 7 is this utility model generalized section-3;
Fig. 8 this utility model shows section intention-4;
Fig. 9 is this utility model hollow rivet generalized section-1;
Figure 10 is this utility model hollow rivet generalized section-2;
Figure 11 is this utility model second special-shaped hollow rivet generalized section-1;
Figure 12 is this utility model second special-shaped hollow rivet generalized section-2;
Figure 13 is a can body generalized section under this utility model;
Figure 14 is a can body generalized section on this utility model;
Figure 15 is this utility model generalized section-4;
Figure 16 is this utility model generalized section-5;
Wherein among the figure:
Can body on 1,11 female threads, sound collecting surface on 12,13 lower surfaces;
2 times can bodies, 21 end faces, 22 external screw threads, 23 times sound collecting surfaces, 24 ring plains;
4 side voice guide holes; The last voice guide hole of D1; Voice guide hole under the D2;
5 hollow pipes, 51 holes, 52 hollow pipe outer surfaces, 53 tube chambers, 54 inwalls;
6 first special-shaped hollow rivets, 61 end outer surface, 62 bar chambeies, 63 bar portions, 64 holes;
7 second special-shaped hollow rivets, 71 end outer surface, 72 bar chambeies, 73 second special-shaped hollow rivet rod ends, 74 holes, 76 bar portions.
The specific embodiment
For the beneficial effect of more properly describing this utility model and being brought, will combine accompanying drawing that this utility model is done below and further describe, but the protection domain of this utility model is not limited to the content that the specific embodiment is explained.
Embodiment 1: below in conjunction with Fig. 1 and Fig. 2 this utility model is done further explanation:
A kind of split type stethoscope tin comprises the leading note passage in can body and the can body;
The can body comprises can body 1 and following can body 2;
The leading note passage comprises sound collecting surface, voice guide hole and side voice guide hole 4;
Sound collecting surface comprises and is positioned at the last sound collecting surface 12 on the can body 1 and is positioned at the following sound collecting surface 23 on the following can body 2; Voice guide hole comprises the last voice guide hole D1 that is positioned on the can body on 1 and the following voice guide hole D2 that is positioned on the can body down on 2; The inwall of last voice guide hole D1 is provided with female thread 11;
One end outer rim of following can body 2 is provided with external screw thread 22;
On the can body, following voice guide hole D2 communicated with side voice guide hole 4 and intersects under side voice guide hole 4 was arranged in; Following voice guide hole D2 passes end face 21 and communicates with last voice guide hole D1,
Can know that in conjunction with Fig. 1 the female thread 11 of last can body 1 cooperatively interacts with the external screw thread 22 on the following can body 2, makes can body 1 and following can body 2 relative fixed.Further, between lower surface 13 and the ring plain 24 seal washer can be set, also can use glue sealing.
Can know that in conjunction with Fig. 2 the internal diameter of voice guide hole D1 is identical with the external diameter of following can body 2 one ends on the last can body 1, last can body 1 passes through tolerance fit or interference fit relative fixed with following can body 2.Further, between lower surface 13 and the ring plain 24 seal washer can be set, also can use glue sealing.
Above sound collecting surface 12 maximum gauges are greater than the maximum gauge of sound collecting surface 23.
Embodiment 2: below in conjunction with Fig. 3 and Fig. 4 this utility model is done further explanation:
A kind of split type stethoscope tin comprises the leading note passage in can body 1, following can body 2 and the can body.
Following can body 2 is provided with down sound collecting surface 23, following voice guide hole D2 and side voice guide hole 4, and side voice guide hole 4 intersects with following voice guide hole D2 and communicates, and following voice guide hole D2 communicates with last voice guide hole D1; One end outer rim of following can body 2 is provided with external screw thread 22;
The end outer surface 61 of the first special-shaped hollow rivet 6 cooperates with last sound collecting surface 12 coincide, and the bar portion 63 of the first special-shaped hollow rivet 6 places in the last voice guide hole D1 of can body 1, and bar portion 63 cooperates with voice guide hole on the last can body 1; The mode that cooperates can also be modes such as threaded engagement, interference fit, tolerance fit;
The bar chamber 62 of the first special-shaped hollow rivet 6 connects the two ends of the first special-shaped hollow rivet 6 along axis, and the bar chamber 62 of different in nature hollow rivet 6 communicates with following voice guide hole D2, and bar chamber 62 communicates with side voice guide hole 4.
The fit system of last can body 1 and following can body 2 can also be fit systems such as matched in clearance or interference fit.
Wherein can body 1 adopts engineering plastics or the preparation of engineering rubber, and down can body 2 and different in nature hollow rivet 6 can to adopt can be in copper, titanium alloy rustless steel, steel, kirsite, the aluminium alloy etc. any.
Embodiment 3: below in conjunction with Fig. 5, Fig. 6, Fig. 9, Figure 11, Figure 13, Figure 14 this utility model is done further explanation:
A kind of split type stethoscope tin; By the last can body 1 and following can body 2 of split, last sound collecting surface 12 is positioned on the can body 1, and following sound collecting surface 23 is positioned on the following can body 2; Can body 1 and following can body 2 in the voice guide hole D perforation; Last sound collecting surface 12 is communicated with through voice guide hole D with following sound collecting surface 23, and voice guide hole D and shaft hole 4 are crossing and communicate, under shaft hole 4 is positioned on the can body 2.
Further, the outer rim that the inwall of the voice guide hole D1 on the last can body 1 is provided with female thread 11 and following can body 2 one ends is provided with external screw thread 22, and last can body 1 passes through female thread 11 and external screw thread 22 matching and fixing with following can body 2.
Further; Sound collecting surface comprises sound collecting surface 12 and following sound collecting surface 23; Last sound collecting surface 12 is positioned on the can body 1; On the can body 2, the maximum gauge of the following sound collecting surface 23 under being positioned on the can body 1 was less than the maximum gauge of the last sound collecting surface 12 that is positioned at can body 1 under following sound collecting surface 23 was positioned at.
Further, last can body 1 adopts rustless steel to process, and following can body 2 adopts engineering plastics to process.Being positioned at down, voice guide hole D2 one end of can body 2 is provided with the hollow rivet 3 that cooperates with it; Hollow rivet end 32 coincide with end face 21 shapes of following can body 2 and closely cooperates, and the bar chamber 31 of hollow rivet 3 communicates along the two ends of axis perforation hollow rivet 3 and with shaft hole 4; Being positioned at down, the voice guide hole D2 other end of can body 2 is provided with the second special-shaped hollow rivet 7 that cooperates with it; The end outer surface 71 of the second special-shaped hollow rivet 7 fits like a glove with the following sound collecting surface 23 of following can body 2, and the bar chamber 72 of the second special-shaped hollow rivet 7 connects the two ends of the second special-shaped hollow rivet 7 and communicates with shaft hole 4 along axis.
Wherein, hollow rivet 3 can be an interference fit with cooperating of voice guide hole D2, and also can be is matched in clearance, interference fits, can also be threaded engagement.The second special-shaped hollow rivet 7 can be an interference fit with cooperating of voice guide hole D2, and also can be is matched in clearance, interference fits, can also be threaded engagement.
Further, can be hollow rivet rod end 33 and shaft hole 4 butts, the second special-shaped hollow rivet rod end 73 and shaft hole 4 butts.
Perhaps combine like Fig. 7, Fig. 8, Figure 10, shown in Figure 12; The hollow rivet rod end 33 and second special-shaped hollow rivet rod end 73 butts; In the bar portion 35 of hollow rivet 3, be provided with a hole 34 that communicates with shaft hole 4, perhaps in the bar portion 76 of the second special-shaped hollow rivet 7, be provided with a hole 74 that communicates with shaft hole 4.
Embodiment 4: below in conjunction with Figure 13, Figure 14, Figure 15, Figure 16 this utility model is done further explanation:
A kind of split type stethoscope tin; By the last can body 1 and following can body 2 of split, last sound collecting surface 12 is positioned on the can body 1, and following sound collecting surface 23 is positioned on the following can body 2; Can body 1 and following can body 2 in the voice guide hole D perforation; Last sound collecting surface 12 is communicated with through voice guide hole D with following sound collecting surface 23, and voice guide hole D and shaft hole 4 are crossing and communicate, under shaft hole 4 is positioned on the can body 2.
The outer rim that the inwall of voice guide hole D1 on the last can body 1 is provided with female thread 11 and following can body 2 one ends is provided with external screw thread 22, and last can body 1 passes through female thread 11 and external screw thread 22 matching and fixing with following can body 2.
Sound collecting surface comprises sound collecting surface 12 and following sound collecting surface 23; Last sound collecting surface 12 is positioned on the can body 1; On the can body 2, the maximum gauge of the following sound collecting surface 23 under being positioned on the can body 1 was less than the maximum gauge of the last sound collecting surface 12 that is positioned at can body 1 under following sound collecting surface 23 was positioned at.
Being positioned at down, the voice guide hole D2 of can body 2 is provided with and the close-fitting hollow pipe 5 of hole inwall; The tube chamber 53 of hollow pipe 5 connects the two ends of hollow pipe 5;
Stainless hollow rivet 3 cooperates with following can body 2, and hollow rivet end 32 coincide with end face 21 shapes of following can body 2 and closely cooperates, and the bar chamber 31 of hollow rivet 3 communicates along the two ends of axis perforation hollow rivet 3 and with shaft hole 4;
The stainless second special-shaped hollow rivet 7 cooperates with following can body 2; The end outer surface 71 of the second special-shaped hollow rivet 7 fits like a glove with the following sound collecting surface 23 of following can body 2, and the bar chamber 72 of the second special-shaped hollow rivet 7 connects the two ends of the second special-shaped hollow rivet 7 and communicates with shaft hole 4 along axis;
Wherein, can be that the two ends of hollow pipe 5 connect with the hollow rivet rod end 33 and the second special-shaped hollow rivet rod end 73 respectively, and hollow pipe 5 be provided with the hole 51 that communicates with shaft hole 4.
Can also be; The bar portion 35 of hollow rivet and the bar portion 76 of the second special-shaped hollow rivet place respectively in the tube chamber 53 at hollow pipe 5 two ends and closely cooperate with the inwall 54 of hollow pipe 5; Fit system can be an interference fit, and also can be is tolerance fit, can also be threaded engagement.
31, the second special-shaped hollow rivet, the 7 bar chambeies 72, bar chamber of shaft hole 4 and hollow pipe 5 tube chambers 53, hollow rivet 3 all communicate.
Among the above embodiment, hollow pipe 5, hollow rivet 3 and the second special-shaped hollow rivet 7, and go up the can body and can adopt any material preparation in copper, titanium alloy rustless steel, aluminium alloy, steel, the kirsite etc.
Following can body adopts any material preparation in engineering plastics, the engineering rubber.
Claims (17)
1. a split type stethoscope tin comprises the leading note passage in can body and the can body, and said leading note passage comprises sound collecting surface, voice guide hole and side voice guide hole, and said voice guide hole communicates with said side voice guide hole; It is characterized in that said can body is split type, the can body comprises fixed can body or the following can body gone up that cooperatively interact, and the said leading note passage of part is provided with the leading note layer at least.
2. a kind of split type stethoscope tin according to claim 1; It is characterized in that; Said sound collecting surface comprises sound collecting surface and following sound collecting surface, and the said sound collecting surface of going up is positioned at said going up on the can body, and said sound collecting surface down is positioned on the said can body down; Said side voice guide hole is positioned on the said can body down, and the maximum gauge of said sound collecting surface down is less than the said maximum gauge of going up sound collecting surface.
3. a kind of split type stethoscope tin according to claim 2 is characterized in that, the said sound collecting surface of going up is provided with the leading note layer that cooperates with it.
4. a kind of split type stethoscope tin according to claim 2 is characterized in that, said sound collecting surface down is provided with the leading note layer that cooperates with it.
5. a kind of split type stethoscope tin according to claim 3; It is characterized in that; Said voice guide hole comprises the last voice guide hole that is arranged in the can body and is arranged in the following voice guide hole of can body down, is provided with the leading note layer that cooperates with it at least in the said voice guide hole of part.
6. a kind of split type stethoscope tin according to claim 4; It is characterized in that; Said voice guide hole comprises the last voice guide hole that is arranged in the can body and is arranged in the following voice guide hole of can body down, is provided with the leading note layer that cooperates with it at least in the said voice guide hole of part.
7. according to claim 5 or 6 described a kind of split type stethoscope tin, it is characterized in that being arranged in the said leading note layer of going up on the sound collecting surface is one with being positioned at the said leading note layer of going up voice guide hole.
8. according to claim 5 or 6 described a kind of split type stethoscope tin, it is characterized in that the leading note layer that is arranged on the said sound collecting surface down is an one with being positioned at the said leading note layer of voice guide hole down.
9. according to the described a kind of split type stethoscope tin of the arbitrary right of claim 1 to 6, it is characterized in that, be positioned at the said said voice guide hole of going up the can body and be provided with the female thread that cooperates with following can body; A said end outer rim of can body down is provided with the external screw thread with said screw-internal thread fit, and said upward can body and said can body down are through said female thread and said external screw thread matching and fixing.
10. according to the described a kind of split type stethoscope tin of the arbitrary right of claim 1 to 6; It is characterized in that; Be positioned at the said below of the upper surface of can body down and be provided with the ring plain parallel with said upper surface; When said upward can body and said can body matching and fixing down, be provided with sealing device between the lower surface of said ring plain and said upward can body.
11. according to the described a kind of split type stethoscope tin of claim 5 right, it is characterized in that, the said can body and said down when the can body cooperates of going up, the said voice guide hole of going up is to communicate with following voice guide hole, said under voice guide hole communicate with said side voice guide hole; Be positioned at the said voice guide hole of going up and be provided with the first special-shaped hollow rivet that cooperates with it; The medicated cap portion outer surface of the said first special-shaped hollow rivet cooperates with the said sound collecting surface of going up; The bar of the said first special-shaped hollow rivet is deployed in said and is gone up in the voice guide hole, said bar portion with said on voice guide hole cooperate; The bar chamber of the said first special-shaped hollow rivet connects the two ends of the said first special-shaped hollow rivet along axis, and the bar chamber of the said first different in nature hollow rivet communicates with said side voice guide hole.
12. according to the described a kind of split type stethoscope tin of claim 6 right; It is characterized in that; Said voice guide hole one end down is provided with the hollow rivet that cooperates with it; The bar chamber of said hollow rivet connects the two ends of said hollow rivet along axis, and a said hollow rivet medicated cap portion and a said end face of can body down closely cooperate said hollow rivet rod end and said side voice guide hole butt; The said voice guide hole other end down is provided with the second special-shaped hollow rivet that cooperates with it; The medicated cap portion outer surface of the said second special-shaped hollow rivet cooperates with the said sound collecting surface down of said can body down; The bar chamber of the said second special-shaped hollow rivet connects two ends, the rod end of said special-shaped hollow rivet and the said side voice guide hole butt of the said second special-shaped hollow rivet along axis.
13. according to the described a kind of split type stethoscope tin of claim 6 right; It is characterized in that; Said voice guide hole one end down is provided with the hollow rivet that cooperates with it; The bar chamber of said hollow rivet connects the two ends of said hollow rivet along axis, and said hollow rivet medicated cap portion cooperates with a said end face of can body down, and said hollow rivet bar portion is provided with the hole that communicates with said side voice guide hole and connect a side lever portion tube wall at least; The said voice guide hole other end down is provided with the second special-shaped hollow rivet that cooperates with it; The medicated cap portion outer surface of the said second special-shaped hollow rivet cooperates with the said sound collecting surface down of said can body down; The bar chamber of the said second special-shaped hollow rivet connects two ends, the said second special-shaped hollow rivet rod end and the said hollow rivet rod end butt of the said second special-shaped hollow rivet along axis.
14. according to the described a kind of split type stethoscope tin of claim 6 right; It is characterized in that; Said voice guide hole one end down is provided with the hollow rivet that cooperates with it; The bar chamber of said hollow rivet connects the two ends of said hollow rivet along axis, and the medicated cap portion of said hollow rivet cooperates with a said end face of can body down; The said voice guide hole other end down is provided with the second special-shaped hollow rivet that cooperates with it; The medicated cap portion outer surface of the said second special-shaped hollow rivet cooperates with the said sound collecting surface down of said can body down; The bar chamber of the said second special-shaped hollow rivet connects the two ends of the said second special-shaped hollow rivet along axis, and the said second special-shaped hollow rivet bar portion is provided with the hole that communicates with said side voice guide hole and connect a side lever portion tube wall at least; The said second special-shaped hollow rivet rod end and said hollow rivet rod end butt.
15. according to the described a kind of split type stethoscope tin of claim 6 right, it is characterized in that, be provided with the hollow pipe that cooperates with it in the said voice guide hole down; Said voice guide hole one end down is provided with the hollow rivet that cooperates with it; The bar chamber of said hollow rivet connects the two ends of said hollow rivet along axis; The medicated cap portion of said hollow rivet cooperates an end butt of said hollow rivet rod end and said hollow pipe with a said end face of can body down; The said other end of voice guide hole down is provided with the second special-shaped hollow rivet that cooperates with it; The medicated cap portion outer surface of the said second special-shaped hollow rivet cooperates with the said sound collecting surface down of said can body down; The bar chamber of the said second special-shaped hollow rivet connects the two ends of the said second special-shaped hollow rivet, the other end butt of the rod end of the said second special-shaped hollow rivet and said hollow pipe along axis; Said side voice guide hole communicates with the bar chamber of said hollow pipe tube chamber, said hollow rivet, the bar chamber of the said second special-shaped hollow rivet; Said hollow pipe is provided with the hole that connects a side pipe wall at least and communicate with said side voice guide hole.
16., it is characterized in that having in the said voice guide hole down to cooperate hollow pipe with it according to the described a kind of split type stethoscope tin of claim 6 right; Said voice guide hole one end down is provided with the hollow rivet that cooperates with it; The bar chamber of said hollow rivet connects the two ends of said hollow rivet along axis; Said hollow rivet medicated cap portion cooperates with a said end face of can body down, and the bar of said hollow rivet is deployed in the tube chamber of said hollow pipe one end and closely cooperated with said hollow pipe; The said voice guide hole other end down is provided with the second special-shaped hollow rivet that cooperates with it; The medicated cap portion outer surface of the said second special-shaped hollow rivet cooperates with the said sound collecting surface down of said can body down; The bar chamber of the said second special-shaped hollow rivet connects the two ends of the said second special-shaped hollow rivet along axis, and the bar of the said second special-shaped hollow rivet is deployed in the tube chamber of the said hollow pipe other end and with said hollow pipe and closely cooperated; Said side voice guide hole communicates with the bar chamber of said hollow pipe tube chamber, said hollow rivet, the bar chamber of the said second special-shaped hollow rivet; Said hollow pipe is provided with the hole that connects a side pipe wall at least and communicate with said side voice guide hole.
17. according to the described a kind of split type stethoscope tin of claim 6 right; It is characterized in that; Said can body down also comprises hollow pipe, and said hollow pipe places in the said voice guide hole, and forms not rotatable and immovable the fixed connection with said can body down; Said voice guide hole one end down is provided with the hollow rivet that cooperates with it; The bar chamber of said hollow rivet connects the two ends of said hollow rivet along axis; A said hollow rivet medicated cap portion and a said end face of can body down closely cooperate an end butt of said hollow rivet rod end and said hollow pipe; Be positioned at the said said voice guide hole other end of can body down and be provided with the special-shaped hollow rivet that cooperates with it; The said sound collecting surface down of the medicated cap portion outer surface of the said second special-shaped hollow rivet and said can body down fits like a glove; The bar chamber of the said second special-shaped hollow rivet connects the two ends of the said second special-shaped hollow rivet, the other end butt of the rod end of the said second special-shaped hollow rivet and said hollow pipe along axis; Said side voice guide hole communicates with the bar chamber of said hollow pipe tube chamber, said hollow rivet, the bar chamber of the said second special-shaped hollow rivet; Said hollow pipe is provided with the hole that connects a side pipe wall at least and communicate with said side voice guide hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220215001 CN202568303U (en) | 2012-05-15 | 2012-05-15 | Split type stethoscope head of stethoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220215001 CN202568303U (en) | 2012-05-15 | 2012-05-15 | Split type stethoscope head of stethoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202568303U true CN202568303U (en) | 2012-12-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220215001 Expired - Fee Related CN202568303U (en) | 2012-05-15 | 2012-05-15 | Split type stethoscope head of stethoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202568303U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11864943B2 (en) | 2018-10-05 | 2024-01-09 | 3M Innovative Properties Company | Metal injection molding for stethoscope chestpiece |
-
2012
- 2012-05-15 CN CN 201220215001 patent/CN202568303U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11864943B2 (en) | 2018-10-05 | 2024-01-09 | 3M Innovative Properties Company | Metal injection molding for stethoscope chestpiece |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20140515 |