CN201409931Y - Matching device of head body and rotating shaft of double-sound stethoscope - Google Patents
Matching device of head body and rotating shaft of double-sound stethoscope Download PDFInfo
- Publication number
- CN201409931Y CN201409931Y CN2009200405089U CN200920040508U CN201409931Y CN 201409931 Y CN201409931 Y CN 201409931Y CN 2009200405089 U CN2009200405089 U CN 2009200405089U CN 200920040508 U CN200920040508 U CN 200920040508U CN 201409931 Y CN201409931 Y CN 201409931Y
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- hole
- steel ball
- guide hole
- voice guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The utility model relates to a matching device of the listening head body and rotating shaft of a double-sound stethoscope, which comprises a listening head body and a rotating shaft. The axial line of the rotating shaft is provided with a non-through sound guide cavity, a sound guide hole A is arranged in the direction vertical to the axial line of the rotating shaft, the sound guide hole A is communicated with the sound guide cavity, the listening head body is provided with a rotating cavity matched with the rotating shaft, the listening head body is provided with a sound guide hole B communicated with the sound guide hole A on the rotating shaft, the sound guide hole B is a through hole, the rotating shaft is also provided with an annular locking groove of rotating shaft, the listeninghead body is also provided with a through hole C which is not communicated with the sound guide hole B, the through hole C is communicated with the annular locking groove of rotating shaft in a matching way, one end of the positioning pin is arranged in the through hole C of the listening head body, and the other end of the positioning pin is arranged in the annular locking groove of rotating shaft. The utility model has the advantages of convenient installation, high rate of finished products, low cost and detachable structure after assembly.
Description
Technical field
This utility model relates to a kind of medical apparatus and instruments, relates in particular to stethoscope.
Background technology
The adapting device of prior art shaft and can body adopts the jump ring structure, but this device promptly can not shirk after assembling.The prior art shaft is made up of rotating shaft bar, positioning ball, spring, copper sheathing, jump ring.It and can body shaft hole fixedly be directly to be expressed to the body endoporus by the copper sheathing outer wall, when installing, rotating shaft can produce certain fraction defective in its extrusion process, because copper sheathing can be out of shape in extrusion process, its internal diameter can diminish simultaneously, since the uncertain hardness of copper, the pressure that does not wait during extruding, different angles, copper sheathing is through the extruding after strain, and internal diameter varies all is difficult to determine.
Based on this, the rotating shaft external diameter of Pei Heing just is difficult to fixing with it, this moment is in order to guarantee certain yield rate, only way is exactly the fit tolerance of amplifying copper sheathing inwall and rotating shaft external diameter, because fit clearance is big, the leakage sound that produces from rotating shaft is just big, thereby has influenced stethoscopic tin of sound quality to a certain extent.
The utility model content
Main purpose of the present utility model is, provide install convenient, the yield rate height, cost is low, and the adapting device of assembling removable lining a kind of stethoscope tin body in back and rotating shaft.
The purpose of this utility model is achieved in that
The adapting device of a kind of diechoscope can body and rotating shaft comprises can body and rotating shaft;
On the axis of described rotating shaft, be provided with a leading note chamber that does not connect, perpendicular to shaft axis to being provided with voice guide hole A, described voice guide hole A and described leading note chamber connect;
Described can body is provided with and the cavity that cooperates rotating shaft to rotate, and is provided with the voice guide hole B that communicates with rotating shaft voice guide hole A on described can body, and described voice guide hole B is a through hole;
On described can body, be provided with the steel ball locating hole that does not communicate with voice guide hole B, in described rotating shaft, be provided with the steel ball placement hole that communicates with the steel ball locating hole, described steel ball placement hole does not all communicate with described leading note chamber and voice guide hole A, described steel ball placement hole is a blind hole, spring places the bottom of described steel ball placement hole, described steel ball places on the spring, and described steel ball locating hole cooperates the location with described steel ball;
In described rotating shaft, be provided with rotating shaft ring-type lock slots;
Be provided with the through hole C that does not communicate with voice guide hole B on described can body, described through hole C cooperates with described rotating shaft ring-type lock slots and is connected; Alignment pin one end places in the through hole C of described can body, and the other end places in the rotating shaft ring-type lock slots of described rotating shaft.
Further; Described alignment pin is C type column, hollow column, is the column that external cylindrical surface is provided with screw thread.
Further; Cram among the through hole C that thing is placed at the can body, link to each other with the outer end of described alignment pin.
Further; Be provided with screw thread in the through hole C of described can body.
Another solution of the present utility model is:
The adapting device of a kind of diechoscope can body and rotating shaft comprises can body and rotating shaft;
On the axis of described rotating shaft, be provided with a leading note chamber that does not connect, perpendicular to shaft axis to being provided with voice guide hole A, described voice guide hole A and described leading note chamber connect;
Described can body is provided with and the cavity that cooperates rotating shaft to rotate, and is provided with the voice guide hole B that communicates with rotating shaft voice guide hole A on described can body, and described voice guide hole B is a through hole;
On described can body, be provided with the steel ball locating hole that does not communicate with voice guide hole B, in described rotating shaft, be provided with the steel ball placement hole that communicates with the steel ball locating hole, described steel ball placement hole does not all communicate with described leading note chamber and voice guide hole A, described steel ball placement hole is a blind hole, spring places the bottom of described steel ball placement hole, described steel ball places on the spring, and described steel ball locating hole cooperates the location with described steel ball; In described rotating shaft, be provided with rotating shaft ring-type lock slots;
Cavity wall side at described can body is provided with can body ring-type lock slots, and described can body ring-type lock slots and voice guide hole B are non-intersect, but cooperates the formation lock slots that is connected with described rotating shaft ring-type lock slots; C type alignment pin places in the described lock slots.
The utlity model has following advantage:
1, this utility model greatly reduces manually, has also reduced working strength owing to adopt the plug-in type alignment pin to cooperate with lock slots.
2, this utility model owing to adopt be provided with in the through hole C screw thread and with alignment pin on threaded engagement, make can body and rotating shaft convenient disassembly, the replacing parts also become easy.
3, this utility model adopts C type alignment pin, owing to need not to offer through hole C on the can body, has increased the aesthetics after stethoscope tin body and rotating shaft cooperate.
Description of drawings
Fig. 1 is this utility model rotating shaft sketch map
Fig. 2 is this utility model can body ring-type lock slots sketch map
Fig. 3 is this utility model can body through hole C sketch map
Fig. 4 establishes the screw thread sketch map for this utility model can body through hole C
Fig. 5 adopts the locating pin structure sketch map for this utility model
Fig. 6 adopts alignment pin for this utility model and crams the structural representation of thing
Fig. 7 adopts screw thread locating pin structure sketch map for this utility model
Fig. 8 is for establishing the sketch map after the ring-type lock slots cooperates rotating shaft on this utility model can body
Fig. 9 installs the sketch map of C type alignment pin for this utility model sketch map
Figure 10 is this utility model C type alignment pin sketch map
Figure 11 is this utility model C type column alignment pin sketch map
Figure 12 is the ring-like column alignment pin of a this utility model sketch map
Figure 13 is this utility model screw thread alignment pin sketch map
Figure 14 adopts locating pin structure sketch map 1 for this utility model
The stifled body 6 steel ball locating holes 7 steel ball placement holes 8 springs 9 steel balls 10 can body ring-type lock slots 11 alignment pins 12 rotating shaft ring-type lock slots 13 of 1 can body, 2 rotating shafts, 3 leading note chambeies, 4 cavitys, 5 hole items are crammed thing 14C type alignment pin 15 circular cylindrical alignment pin 16C type column alignment pins 17 screw-like alignment pin A voice guide hole B voice guide hole C through holes
The specific embodiment
Embodiment 1: below in conjunction with Fig. 1, Fig. 3 and Fig. 5 this utility model is described further
The adapting device of a kind of diechoscope can body and rotating shaft comprises can body 1 and rotating shaft 2;
On the axis of rotating shaft 2, be provided with a leading note chamber 3 that does not connect, perpendicular to shaft axis to being provided with voice guide hole A, voice guide hole A and leading note chamber 3 connect;
Can body 1 is provided with and the cavity 4 that cooperates rotating shaft to rotate, and is provided with the voice guide hole B that communicates with rotating shaft voice guide hole A on can body 1, and voice guide hole B is a through hole;
On can body 1, be provided with the steel ball locating hole 6 that does not communicate with voice guide hole B, in rotating shaft 2, be provided with the steel ball placement hole 7 that communicates with steel ball locating hole 6, steel ball placement hole 7 does not all communicate with leading note chamber 3 and voice guide hole A, steel ball placement hole 7 is a blind hole, spring 8 places the bottom of steel ball placement hole 7, steel ball 9 places on the spring 8, and steel ball locating hole 6 cooperates the location with steel ball 9;
In rotating shaft 2, be provided with ring-type lock slots 12;
Be provided with the through hole C that does not communicate with voice guide hole B on can body 1, through hole C cooperates with rotating shaft ring-type lock slots 12 and is connected; Alignment pin 11 1 ends are put and are stayed in the through hole C of can body 1, and the other end is put and stayed in the rotating shaft ring-type lock slots 12 of described rotating shaft.
Embodiment 2: in conjunction with Figure 14 as can be known, all the other are as embodiment 1, and alignment pin 11 1 ends also can flush with the through hole C aperture of can body 1; The other end is put and is stayed in the rotating shaft ring-type lock slots 12 of described rotating shaft.
Embodiment 3: in conjunction with Fig. 1, Fig. 3, Fig. 4, Fig. 5 and Figure 11, Figure 12 as can be known, all the other are as embodiment 1, and alignment pin 11 can be a C type column alignment pin 16 as shown in figure 11; Alignment pin 11 can be a circular cylindrical alignment pin 15 as shown in figure 12;
Embodiment 4: in conjunction with Fig. 5 as can be known, all the other are as embodiment 1 or 3, cram among the through hole C that thing 13 is placed at can body 1, link to each other with the outer end of alignment pin 11.
Embodiment 5: in conjunction with Fig. 4 as can be known, all the other are provided with screw thread as embodiment 1 or embodiment 3 in through hole C;
Embodiment 6: in conjunction with Fig. 4, Fig. 7, Figure 13 as can be known, all the other are provided with screw thread as embodiment 1 in through hole C; Screw-like alignment pin 17 is provided with the column of screw thread for external cylindrical surface; A nose circle face of screw-like alignment pin 17 is provided with the cross recess of Gong installing and using.Alignment pin 17 1 ends are put and are stayed in the through hole C of can body 1, and the other end is put and stayed in the rotating shaft ring-type lock slots 12 of rotating shaft 2; Also can flush with the through hole C aperture of can body 1 by an end, the other end is put and is stayed in the rotating shaft ring-type lock slots 12 of rotating shaft 2.
Embodiment 7: in conjunction with Fig. 1, Fig. 2, Fig. 8, Fig. 9, Figure 10 this utility model is described further:
The adapting device of a kind of diechoscope can body and rotating shaft comprises can body 1 and rotating shaft 2;
On the axis of rotating shaft 2, be provided with a leading note chamber 3 that does not connect, perpendicular to rotating shaft 2 axis to being provided with voice guide hole A, voice guide hole A and leading note chamber 3 connect;
Can body 1 is provided with and the cavity 4 that cooperates rotating shaft 2 to rotate, and is provided with the voice guide hole B that communicates with rotating shaft voice guide hole A on can body 1, and voice guide hole B is a through hole;
On can body 1, be provided with the steel ball locating hole 6 that does not communicate with voice guide hole B, in rotating shaft 2, be provided with the steel ball placement hole 7 that communicates with steel ball locating hole 6, steel ball placement hole 7 does not all communicate with leading note chamber 3 and voice guide hole A, steel ball placement hole 7 is a blind hole, spring 8 places the bottom of steel ball placement hole 7, steel ball 9 places on the spring 8, and steel ball locating hole 6 cooperates the location with steel ball 9;
In rotating shaft 2, be provided with rotating shaft ring-type lock slots 12;
Claims (7)
1, the adapting device of a kind of diechoscope can body and rotating shaft comprises can body and rotating shaft;
On the axis of described rotating shaft, be provided with a leading note chamber that does not connect, perpendicular to shaft axis to being provided with voice guide hole A, described voice guide hole A and described leading note chamber connect;
Described can body is provided with and the cavity that cooperates rotating shaft to rotate, and is provided with the voice guide hole B that communicates with rotating shaft voice guide hole A on described can body, and described voice guide hole B is a through hole;
On described can body, be provided with the steel ball locating hole that does not communicate with voice guide hole B, in described rotating shaft, be provided with the steel ball placement hole that communicates with the steel ball locating hole, described steel ball placement hole does not all communicate with described leading note chamber and voice guide hole A, described steel ball placement hole is a blind hole, spring places the bottom of described steel ball placement hole, described steel ball places on the spring, and described steel ball locating hole cooperates the location with described steel ball;
In described rotating shaft, be provided with rotating shaft ring-type lock slots;
It is characterized in that: be provided with the through hole C that does not communicate with voice guide hole B on described can body, described through hole C cooperates with described rotating shaft ring-type lock slots and is connected; Alignment pin one end is put and is stayed in the through hole C of described can body, and the other end is put and stayed in the rotating shaft ring-type lock slots of described rotating shaft.
2, the adapting device of a kind of diechoscope can body according to claim 1 and rotating shaft is characterized in that: described alignment pin is a C type column.
3, the adapting device of a kind of diechoscope can body according to claim 1 and rotating shaft, it is characterized in that: described alignment pin is the circular cylindrical body.
4, the adapting device of a kind of diechoscope can body according to claim 1 and rotating shaft, it is characterized in that: described alignment pin is the column that external cylindrical surface is provided with screw thread.
5, according to the adapting device of arbitrary described a kind of diechoscope can body of claim 1 to 4 and rotating shaft, it is characterized in that: cram among the through hole C that thing is placed at the can body, link to each other with the outer end of described alignment pin.
6, according to the adapting device of arbitrary described a kind of diechoscope can body of claim 1 to 4 and rotating shaft, it is characterized in that: be provided with screw thread in the through hole C of described can body.
7, the adapting device of a kind of diechoscope can body and rotating shaft comprises can body and rotating shaft;
On the axis of described rotating shaft, be provided with a leading note chamber that does not connect, perpendicular to shaft axis to being provided with voice guide hole A, described voice guide hole A and described leading note chamber connect;
Described can body is provided with and the cavity that cooperates rotating shaft to rotate, and is provided with the voice guide hole B that communicates with rotating shaft voice guide hole A on described can body, and described voice guide hole B is a through hole;
On described can body, be provided with the steel ball locating hole that does not communicate with voice guide hole B, in described rotating shaft, be provided with the steel ball placement hole that communicates with the steel ball locating hole, described steel ball placement hole does not all communicate with described leading note chamber and voice guide hole A, described steel ball placement hole is a blind hole, spring places the bottom of described steel ball placement hole, described steel ball places on the spring, and described steel ball locating hole cooperates the location with described steel ball;
In described rotating shaft, be provided with rotating shaft ring-type lock slots;
It is characterized in that: the cavity wall side at described can body is provided with can body ring-type lock slots, and described can body ring-type lock slots and voice guide hole B are non-intersect, but cooperates the formation lock slots that is connected with described rotating shaft ring-type lock slots; C type alignment pin places in the described lock slots.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200405089U CN201409931Y (en) | 2009-04-27 | 2009-04-27 | Matching device of head body and rotating shaft of double-sound stethoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200405089U CN201409931Y (en) | 2009-04-27 | 2009-04-27 | Matching device of head body and rotating shaft of double-sound stethoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201409931Y true CN201409931Y (en) | 2010-02-24 |
Family
ID=41711823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200405089U Expired - Fee Related CN201409931Y (en) | 2009-04-27 | 2009-04-27 | Matching device of head body and rotating shaft of double-sound stethoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201409931Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106214177A (en) * | 2016-09-08 | 2016-12-14 | 江苏鹿得医疗电子股份有限公司 | The interchangeable stethoscope in a kind of pickup district |
-
2009
- 2009-04-27 CN CN2009200405089U patent/CN201409931Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106214177A (en) * | 2016-09-08 | 2016-12-14 | 江苏鹿得医疗电子股份有限公司 | The interchangeable stethoscope in a kind of pickup district |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201720669U (en) | Simple bearing press-mounting tool | |
| CN203531774U (en) | Fast assembly type drilling rod | |
| CN105570323B (en) | Large-scale transmission shaft axial locking position limiting structure and application method | |
| CN201409931Y (en) | Matching device of head body and rotating shaft of double-sound stethoscope | |
| CN205190560U (en) | Novel coupler | |
| CN201632577U (en) | Trestle for reaming mandrel | |
| CN202391886U (en) | Mortise and tenon structure of micro furniture with positioning and locking structure | |
| CN201735824U (en) | Automobile hub processing and positioning device | |
| CN202228523U (en) | Magnetic ball joint | |
| CN202498375U (en) | Train wheel plate hole drilling-assisted device | |
| CN202010875U (en) | Bearing press fitting and locating device of pulley wheel | |
| CN204585116U (en) | A kind of installing mechanism realizing fixation workpiece in blind hole | |
| CN102091997A (en) | Dual feed honing head connecting rod | |
| CN201779251U (en) | Small piston | |
| CN202336732U (en) | Tooling for cutting end surface teeth of coupling joint | |
| CN202701542U (en) | Plug-in type welding nozzle apparatus | |
| CN203062194U (en) | Fastening and pressing equipment for hose assembly | |
| CN203855713U (en) | Cone press fit bolster | |
| CN202721571U (en) | Novel inner hole expander for rotor rough turning | |
| CN104668343A (en) | Bearing flange closing and flat-rolling rolling tool | |
| CN201493360U (en) | Adjustable universal wheel bracket | |
| CN202570797U (en) | Line inlet mold base on drawbench | |
| CN202418921U (en) | One-step forming clamp by forging and stamping | |
| CN219442919U (en) | Perforating plug for forging seamless steel tube | |
| CN202913754U (en) | Large pipe diameter rod tower with internally arranged reinforcing rings |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20100224 Termination date: 20130427 |