CN210003845U - manual gas flow regulating device - Google Patents
manual gas flow regulating device Download PDFInfo
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- CN210003845U CN210003845U CN201920691264.4U CN201920691264U CN210003845U CN 210003845 U CN210003845 U CN 210003845U CN 201920691264 U CN201920691264 U CN 201920691264U CN 210003845 U CN210003845 U CN 210003845U
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- shaft
- air inlet
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Abstract
The utility model provides an manual body gas flow adjusting device, the manual 0 body gas flow adjusting device includes three way connection, three way connection has inside intercommunication interface, second interface, third interface, interface and third interface set up relatively, air inlet joint and air outlet joint, air inlet joint installs in three way connection's the interface, be provided with air inlet gasket between air inlet joint's terminal surface and the interface bottom, air outlet joint installs in three way connection's the second interface, the regulating spindle, the end of regulating spindle has pointed portion, the pointed portion inserts from the third interface, the regulating spindle can be driven by regulating knob and electric drive mechanism and move axially to change the distance between its pointed portion and the air inlet gasket, this manual body gas flow adjusting device can use manual regulation mode and automatic regulation mode to adjust gas flow simultaneously.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to kinds of hands from body gas flow adjusting device.
Background
At present, the flow regulator of the oxygen therapy device can only be regulated by using regulating modes, namely a manual regulating mode or an automatic regulating mode.
For example, chinese patent CN106979341A discloses kinds of regulating valve devices, which includes a housing, a threaded push rod is disposed in the housing, a th thread is disposed on the upper portion of the threaded push rod, a second thread is disposed on the lower portion of the threaded push rod, a lock nut and a nut are sequentially sleeved on the th thread from top to bottom, a valve nut is sleeved on the second thread, a valve nut is fixed in the housing, the outer diameter of the nut is larger than that of the lock nut, a knob cap is sleeved on the housing, the knob cap is connected with the nut, the lower end of the threaded push rod is abutted against a gasket, the gasket is connected with a spring base through a spring, and the spring base is hermetically disposed on an air inlet or an air outlet of a pressure regulating valve.
Disclosure of Invention
The utility model aims to solve the technical problem that, to the above-mentioned not enough of prior art, provide kinds of hands from body gas flow adjusting device, can use manual regulation mode and automatically regulated mode to adjust gas flow simultaneously.
The manual body gas flow adjusting device specifically comprises:
the three-head joint is provided with an th interface, a second interface and a third interface which are mutually communicated, wherein the th interface and the third interface are oppositely arranged;
the air inlet joint is arranged at the th interface of the three-way joint, a air inlet gasket is arranged between the end surface of the air inlet joint and the bottom of the th interface, and the air outlet joint is arranged at the second interface of the three-way joint;
the adjusting shaft is provided with a sharp part at the end, the sharp part is inserted from the third interface, and the adjusting shaft can be driven by an adjusting knob and an electric driving mechanism to move axially so as to change the distance between the sharp part and the air inlet gasket.
, a shaft sleeve is fixed in the third interface of the three-way joint, and the adjusting shaft is in threaded fit with the shaft sleeve and can carry out screw transmission through the threaded fit.
, the electric driving mechanism comprises a driving motor, a th gear and a second gear which are meshed with each other, wherein the th gear is arranged on an output shaft of the driving motor, and the second gear is arranged on the adjusting shaft.
, the end of the adjusting knob is provided with a connecting part, and the connecting part and the end of the adjusting shaft far away from the tip part are respectively embedded into the mounting inner hole of the second gear from two sides of the second gear.
, the side of end of the regulating shaft connected with the second gear is formed with the plane, and the inner hole of the second gear is formed with a second plane corresponding to the plane.
, the drive motor and the adjusting knob are respectively arranged on both sides of the second gear.
, a -level step surface and a second-level step surface are formed at the bottom of the third connector, the end surface of the shaft sleeve is approximately opposite to the bottom surface of the -level step, an adjusting gasket is arranged between the end surface of the shaft sleeve and the bottom surface of the -level step, and an O-shaped ring coated on the outer wall of the adjusting shaft is arranged on the second-level step surface.
The utility model provides an hand is from body gas flow adjusting device, this hand carries out manual regulation from body gas flow adjusting device accessible adjust knob to and carry out automatically regulated through electric drive mechanism, can use manual regulation mode and automatically regulated mode to adjust gas flow simultaneously.
Drawings
Fig. 1 is a schematic structural diagram of an manual gas flow regulating device of the present invention.
Fig. 2 is a schematic cross-sectional view of an model manual gas flow regulating device.
Fig. 3 is a schematic cross-sectional view of the middle three-way joint of the present invention.
Fig. 4 is a schematic structural view of the middle adjusting shaft and the second gear of the present invention.
Detailed Description
In the following description, numerous changes and modifications to the embodiments described herein will be apparent to those skilled in the art, and in addition, descriptions of well-known functions and constructions will be omitted for clarity and conciseness.
The embodiment of the application shows manual gas flow regulating devices, which can be used for regulating the gas flow in the oxygen therapy process.
Referring to fig. 1 to 4, the manual body gas flow rate adjusting device specifically includes:
the three-way joint 1 comprises an th interface 101, a second interface 102 and a third interface 103 which are mutually communicated, and the th interface 101 and the third interface 103 are oppositely arranged.
The th interface 101, the second interface 102 and the third interface 103 of the three-way joint 1 are communicated with each other, and gas can enter through the th interface 101 and flow out from the second interface 102.
The air inlet connector 2 is mounted at the th port 101 of the three-way connector 1, a air inlet gasket 4 is arranged between the end face of the air inlet connector 2 and the bottom 101a of the th port 101, and the air outlet connector 3 is mounted at the second port 102 of the three-way connector 1.
The adjusting shaft 5, the end of the adjusting shaft 5 is provided with a tip 501 , the tip 501 is inserted from the third interface 103, and the adjusting shaft 5 can be driven by an adjusting knob 6 and a motor-driven driving mechanism 7 to move axially so as to change the distance between the tip 501 and the air inlet gasket 4.
Specifically, the intake joint 2 is for connection to an intake end; the air outlet connector 3 is used for connecting to an air outlet end. The device can adjust the flow of gas flowing through.
When the tip 501 of the adjusting shaft 5 is blocked at the inner ring of the air inlet gasket 4, the air can be blocked in the air inlet joint 2, and the air channel is cut off; when the tip portion 501 of the adjusting shaft 5 is away from the inlet washer 4, gas can pass through the gap between the tip portion 501 and the inlet washer 4, and the gas flow rate which can pass through the gap is increased as the tip portion 501 is away from the inlet washer 4 and the gap is gradually increased. Therefore, the adjustment of the gas flow rate can be realized by adjusting the shaft 5 and changing the distance between the tip 501 of the shaft and the gas inlet gasket 4.
The adjusting shaft 5 can be driven by an adjusting knob 6 and an electric driving mechanism 7 to move axially, the adjusting knob 6 can be used for manual adjustment, the electric driving mechanism 7 can be used for automatic adjustment, and the electric driving mechanism 7 can be controlled by an controller to realize automatic adjustment of gas flow.
, a shaft sleeve 8 is fixed in the third interface 103 of the three-way joint 1, and the adjusting shaft 5 is in threaded fit with the shaft sleeve 8 and can perform screw transmission through the threaded fit.
Adjusting knob 6 and electronic actuating mechanism 7 can drive regulating spindle 5 and rotate, and regulating spindle 5 realizes the bolt transmission through with between the axle sleeve 8 screw-thread fit, moves along the axis when the pivoted.
, the electric driving mechanism 7 comprises a driving motor 701, a th gear 702 and a second gear 703 which are meshed with each other, the th gear 702 is arranged on the output shaft of the driving motor 701, and the second gear 703 is arranged on the adjusting shaft 5.
The driving motor 701 drives the -th gear 702 to rotate, the -th gear 702 drives the second gear 703 to rotate, and the second gear 703 drives the adjusting shaft 5 to rotate.
, a connecting part 601 is arranged at the end of the adjusting knob 6 , the connecting part 601 and the end of the adjusting shaft 5 far from the tip part 501 are respectively embedded into the mounting inner hole 703a of the second gear 703 from two sides of the second gear 703, the adjusting knob 6 is arranged at the other side of the second gear 703 to drive the adjusting shaft 5, and the structure is more compact and simpler by utilizing the partial structure of the electric driving mechanism 7.
, a plane 502 is formed on the side of end of the adjusting shaft 5 connected with the second gear 703, and a second plane 703b adapted to the plane 502, a plane 502 and a second plane 703b are formed on the mounting inner hole 703a of the second gear 703, so that the adjusting shaft 5 and the second gear 703 can synchronously rotate, relative sliding is prevented, and the adjusting precision is improved.
, the driving motor 701 and the adjusting knob 6 are respectively disposed on both sides of the second gear 703.
The driving motor 701 and the adjusting knob 6 are respectively arranged on both sides of the second gear 703, so that the structure is more compact.
, a -level step surface 103a and a second-level step surface 103b are formed at the bottom of the third port 103, the end surface of the shaft sleeve 8 is approximately opposite to the bottom surface 103a of the -level step, an adjusting gasket 9 is arranged between the end surface of the shaft sleeve 8 and the bottom surface 103a of the -level step, and an O-shaped ring 10 covering the outer wall of the adjusting shaft 5 is arranged on the second-level step surface 103 b.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (7)
1, A manual gas flow regulating device, characterized in that, the manual gas flow regulating device includes:
the three-way joint is provided with an th interface, a second interface and a third interface which are mutually communicated, wherein the th interface and the third interface are oppositely arranged;
the air inlet joint is arranged at the th interface of the three-way joint, a air inlet gasket is arranged between the end surface of the air inlet joint and the bottom of the th interface, and the air outlet joint is arranged at the second interface of the three-way joint;
the adjusting shaft is provided with a sharp part at the end, the sharp part is inserted from the third interface, and the adjusting shaft can be driven by an adjusting knob and an electric driving mechanism to move axially so as to change the distance between the sharp part and the air inlet gasket.
2. The manual gas flow regulator according to claim 1, wherein a shaft sleeve is fixed in the third port of the tee, and the regulating shaft is in threaded engagement with the shaft sleeve and can be driven by the thread engagement.
3. The manual gas flow regulator of claim 2, wherein the electric drive mechanism comprises a motor, a th gear and a second gear engaged with each other, the gear is mounted on an output shaft of the motor, and the second gear is mounted on the regulating shaft.
4. The manual gas flow regulator according to claim 3, wherein the end of the adjusting knob is provided with a connecting portion, and the connecting portion and the end of the adjusting shaft away from the tip are respectively inserted into the mounting inner hole of the second gear from both sides of the second gear.
5. The manual gas flow regulating device according to claim 4, wherein a th th plane is formed on the side surface of the end of the regulating shaft connected with the second gear, and a second plane corresponding to the th plane is formed on the mounting inner hole of the second gear.
6. The manual gas flow regulating device of claim 4, wherein the driving motor and the adjusting knob are disposed on both sides of the second gear.
7. The manual gas flow regulating device of claim 2, wherein the third port bottom is formed with a level step surface and a second level step surface, the end surface of the shaft sleeve is approximately opposite to the level step bottom surface, a regulating washer is arranged between the end surface of the shaft sleeve and the level step bottom surface, and the second level step surface is provided with an O-shaped ring coated on the outer wall of the regulating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920691264.4U CN210003845U (en) | 2019-05-14 | 2019-05-14 | manual gas flow regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920691264.4U CN210003845U (en) | 2019-05-14 | 2019-05-14 | manual gas flow regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210003845U true CN210003845U (en) | 2020-01-31 |
Family
ID=69306851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920691264.4U Active CN210003845U (en) | 2019-05-14 | 2019-05-14 | manual gas flow regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210003845U (en) |
-
2019
- 2019-05-14 CN CN201920691264.4U patent/CN210003845U/en active Active
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