CN211245026U - Concentration adjusting device of evaporator - Google Patents
Concentration adjusting device of evaporator Download PDFInfo
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- CN211245026U CN211245026U CN201921674749.9U CN201921674749U CN211245026U CN 211245026 U CN211245026 U CN 211245026U CN 201921674749 U CN201921674749 U CN 201921674749U CN 211245026 U CN211245026 U CN 211245026U
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Abstract
The utility model relates to an evaporator concentration adjusting device, which comprises a main air path block, a cone valve seat, a cone valve adjusting seat and a cone valve adjusting rod, wherein a connecting cavity and a cone cavity are arranged in the cone valve seat, the cone valve is provided with a cone section which is matched with the cone cavity in a sealing way, the bottom end of the cone valve adjusting seat is convexly provided with the cone valve adjusting rod along the axial direction, the inner wall of the connecting cavity is provided with an internal thread, the outer wall of the cone valve adjusting seat is provided with an external thread which is matched with the internal thread, the cone valve adjusting seat is convexly provided with a rotating adjusting rod along the radial direction, the cone valve seat is fixedly arranged on the main air path block during assembly, the cone valve is arranged in the cone cavity, a supporting spring is axially arranged between the cone valve and the main air path block, the cone valve adjusting rod extends into the cone cavity to be abutted against the top end of the cone valve, the cone valve adjusting seat is in threaded connection with, to open or close the cone valve.
Description
Technical Field
The utility model relates to a medical auxiliary assembly technical field, especially an evaporimeter concentration adjustment device.
Background
The evaporator is an important component of the anesthesia machine and is used for ensuring the concentration ratio of anesthetic gas. The evaporator concentration adjusting device is one of core components for ensuring the performance of the evaporator, and the performance directly influences the output performance of the evaporator; the design of an evaporator concentration adjusting device with a simple structure and accurate adjustment is a technical problem which needs to be solved urgently by technical personnel in the field.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a simple structure, adjust accurate evaporimeter concentration adjusting device.
In order to solve the technical problem, the utility model provides an evaporator concentration adjusting device, including main gas circuit piece, cone valve seat, cone valve adjusting lever, set up connecting chamber and the toper chamber of intercommunication in the cone valve seat, the cone valve sets up with the toper section of toper chamber seal fit, the bottom of cone valve adjusting seat sets up the cone valve adjusting lever along axial protrusion, the inner wall of connecting chamber sets up the internal thread, the outer wall of cone valve adjusting seat sets up the external screw thread that matches with the internal thread, the cone valve adjusting seat sets up the rotation adjusting lever along radial protrusion, during the assembly the cone valve seat is fixed to be set up in main gas circuit piece, the cone valve sets up in the toper intracavity and sets up supporting spring along the axial between cone valve and the main gas circuit piece, the cone valve adjusting lever stretches into the toper intracavity and the top butt of cone valve, cone valve adjusting seat and connecting chamber threaded connection, when the cone valve adjusting device is used, the rotating adjusting rod is pulled to drive the cone valve adjusting seat to rotate, so that the cone valve adjusting rod moves along the axial direction to open or close the cone valve.
Furthermore, the evaporator concentration adjusting device also comprises a linkage valve, the linkage valve is rotatably arranged at the top end of the main air path block, the linkage valve is provided with a linkage rod insertion hole, and the top end of the cone valve adjusting seat is provided with a linkage rod which is in insertion fit with the linkage rod insertion hole, so that the linkage valve synchronously rotates when the cone valve adjusting seat rotates.
Furthermore, the evaporator concentration adjusting device further comprises a linkage sheath, a limiting ring table is arranged at the top of the linkage sheath, the linkage valve comprises a linkage valve end cover and a circumferential ring table arranged at the bottom end of the linkage valve end cover, the circumferential ring table is arranged under the limiting ring table during assembly, and the top end of the linkage valve end cover extends out of the limiting ring table.
Furthermore, a waist-shaped hole extending along the axial direction is formed in the annular wall of the linkage valve end cover, and the rotary adjusting rod penetrates through the waist-shaped hole to be fixedly connected with the cone valve adjusting seat, so that the rotary adjusting rod can ascend and descend along the waist-shaped hole when the cone valve adjusting seat ascends and descends.
Further, evaporimeter concentration adjusting device still including cup jointing the regulation seat spring outside the awl valve regulation pole, the bottom of adjusting the seat spring with awl disk seat butt, the top of adjusting the seat spring with the bottom butt of seat is adjusted to the awl valve to make the awl valve adjust the seat and be supported by adjusting the seat spring, reinforcing threaded connection's sealed effect.
Furthermore, the evaporator concentration adjusting device also comprises a friction pin, the top end of the friction pin is fixedly connected with the bottom end of the cone valve adjusting rod, and the bottom end of the friction pin is in contact with the top end of the cone valve, so that the cone valve is pushed by the friction pin when the cone valve adjusting rod is lifted.
Further, the main air path block is provided with an assembly cavity, and the outer wall of the conical valve seat is provided with a plurality of outer ring grooves, so that when the conical valve seat is arranged in the assembly cavity, a sealing ring is arranged in each outer ring groove, and the space between the outer wall of the conical valve seat and the main air path block is sealed.
Further, the linkage sheath includes left semi-ring and right semi-ring, left semi-ring and right semi-ring are fixed the setting respectively on the top of main gas circuit piece to form the annular linkage sheath of circle.
The technical effects of the utility model are that: (1) compared with the prior art, the evaporator concentration adjusting device has the advantages that the cone valve adjusting seat is in threaded connection with the cone valve seat, the cone valve adjusting seat is adjusted to rotate by rotating the adjusting rod so as to drive the cone valve adjusting rod to move axially, and the cone valve adjusting seat is axially displaced relative to the cone valve seat by threaded fit so as to achieve the purpose of controlling the opening degree of the cone valve; (2) the adjusting seat spring is used for enabling the conical valve adjusting seat to be matched with the thread of the conical valve seat only on one side, so that the purpose of eliminating reverse clearance is achieved; (3) the rotation adjusting rod is matched with a waist circular hole on the linkage valve, the two parts are matched to achieve the purpose that the linkage sheath and the rotation adjusting rod keep high synchronous rotation, and meanwhile, the linkage valve is not influenced by axial movement of the cone valve adjusting seat; (4) the linkage rod is arranged, so that the linkage valve can synchronously rotate along with the conical valve seat.
Drawings
The invention will be described in further detail with reference to the accompanying drawings:
FIG. 1 is a schematic exploded view of an evaporator concentration control device according to the present invention;
fig. 2 is a schematic sectional view of the concentration adjusting device of the evaporator according to the present invention.
In the figure: a main air path block 1, a linkage sheath 2, a left ring body 21, a right ring body 22, a limit ring platform 23,
a linkage valve 3, a circumferential ring platform 31, a kidney-shaped hole 32, an axle center hole 33, a linkage rod jack 34, a linkage valve end cover 35,
a rotary adjusting rod 4, a cone valve seat 5, an outer ring groove 51, an outer ring platform 52,
a cone valve adjusting rod 6, a cone valve adjusting seat 7, a cone valve air outlet pipe 71, external threads 72, a screw hole 73, a linkage rod 74,
adjusting seat spring 8, friction pin 9 and cone valve 10.
Detailed Description
The upper portion of conical valve seat 5 sets up outer ring platform 52, and when the assembly intracavity was arranged in to the bottom of conical valve seat 5, outer ring platform 52 was arranged in outside main gas circuit piece 1, through the fixed linking to each other of screw and main gas circuit piece 1 to carry out axial spacing.
Set up the connection chamber and the toper chamber of intercommunication in the conical valve seat 5, conical valve 10 sets up the toper section with the sealed complex in toper chamber, and conical valve 10 sets up supporting spring (not shown in the figure) along the axial between conical valve 10 and the main gas circuit piece 1 in the toper chamber, and conical valve 10 is promoted to the toper section by supporting spring and is hugged closely the toper chamber.
The bottom that seat 7 was adjusted to the cone valve sets up cone valve regulation pole 6 along the axial protrusion, the inner wall in connection chamber sets up the internal thread, the outer wall setting of seat 7 is adjusted to the cone valve with the external screw thread 72 of internal thread looks adaptation, cup joint on the cone valve regulation pole 6 and adjust seat spring 8, the bottom and the 5 butts of cone valve seat of adjusting seat spring 8, the bottom butt of seat 7 is adjusted with the cone valve to the top of adjusting seat spring 8, so that when seat 7 is adjusted to the cone valve and connection chamber threaded connection, seat 7 is adjusted to the cone valve is supported by adjusting seat spring 8, with reinforcing threaded connection's sealed effect.
Evaporator concentration adjusting device still includes friction round pin 9, and the bottom of awl valve regulation pole 6 sets up friction round pin mounting hole, and columniform friction round pin 9's top and friction round pin mounting hole interference fit to the top that makes friction round pin 9 links to each other with the bottom end of awl valve regulation pole 6 is fixed, and awl valve regulation pole 6 stretches into the toper intracavity so that the bottom of friction round pin 9 and the top contact of awl valve 10, so that promote awl valve 10 through friction round pin 9 when making awl valve regulation pole 6 go up and down. The friction pin 9 can be made of wear-resistant plastic, has low friction coefficient and good size retentivity, and is easy to replace.
The linkage sheath 2 comprises a left half ring 21 and a right half ring 22, and the left half ring 21 and the right half ring 22 are respectively and fixedly arranged at the top end of the main air path block 1 to form the annular linkage sheath 2; the top of the linkage sheath 21 is provided with a limit ring platform 23, the linkage valve 3 comprises a linkage valve end cover 35 and a circumferential ring platform 31 arranged at the bottom end of the linkage valve end cover 35, the circumferential ring platform 31 is arranged below the limit ring platform 23 during assembly, and the top end of the linkage valve end cover 35 extends out of the limit ring platform 23, so that the linkage valve 3 can be rotatably arranged at the top end of the main air path block 1.
The center of the cone valve adjusting seat 7 is provided with a cone valve air outlet pipe 71 along the axial direction, one side of the cone valve air outlet pipe 71 is provided with a linkage rod 74 in a protruding mode along the axial direction, the center of the linkage valve end cover 35 is provided with an axial center hole 33 suitable for the cone valve air outlet pipe 71 to pass through, one side of the axial center hole 33 is provided with a linkage rod insertion hole 34 matched with the linkage rod 74, the cone valve air outlet pipe 71 extends out of the axial center hole 33 during assembly, and the linkage rod 74 is inserted into the linkage rod insertion hole 34, so that the linkage valve 3 is driven to rotate when the cone valve adjusting seat 7.
Set up screw 73 on the cone valve adjusts the seat 7, the tail end of rotation regulation pole 4 sets up the screw thread with screw 73 looks adaptation, set up waist type hole 32 along axial extension on the rampart of linkage valve end cover 35, the upside of circumference loop platform 31 is arranged in to waist type hole 32, the tail end of rotation regulation pole 4 passes waist type hole 32 and cone valve and adjusts seat 7 threaded connection to make the adjustable cone valve of rotation regulation pole 4 adjust the seat 7 and rotate, and the adjustable pole 4 of rotation regulation when the cone valve adjusts the seat 7 and goes up and down along waist type hole 32, avoid influencing the regulation precision of rotation regulation pole 4.
When the conical valve adjusting device is used, the rotating adjusting rod 4 is pulled to drive the conical valve adjusting seat 7 to rotate, and the rotation of the conical valve adjusting seat 7 is converted into axial movement of the conical valve adjusting rod 6 so as to open or close the conical valve 10.
It should be understood that the above examples are only for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And that obvious changes and modifications may be made without departing from the spirit of the invention.
Claims (8)
1. An evaporator concentration adjusting device is characterized by comprising a main air path block, a cone valve seat, a cone valve adjusting seat and a cone valve adjusting rod, a connecting cavity and a conical cavity which are communicated are arranged in the conical valve seat, the conical valve is provided with a conical section which is in sealing fit with the conical cavity, the bottom end of the cone valve adjusting seat is provided with a cone valve adjusting rod in a protruding mode along the axial direction, the inner wall of the connecting cavity is provided with internal threads, the outer wall of the cone valve adjusting seat is provided with an external thread matched with the internal thread, the cone valve adjusting seat is convexly provided with a rotating adjusting rod along the radial direction, the cone valve seat is fixedly arranged on the main air path block during assembly, the cone valve is arranged in the cone cavity, a supporting spring is arranged between the cone valve and the main air path block along the axial direction, the cone valve adjusting rod extends into the cone cavity to be abutted against the top end of the cone valve, and the cone valve adjusting seat is in threaded connection with the connecting cavity.
2. The evaporator concentration adjusting device according to claim 1, further comprising a linkage valve, wherein the linkage valve is rotatably arranged at the top end of the main air path block, the linkage valve is provided with a linkage rod insertion hole, and the top end of the cone valve adjusting seat is provided with a linkage rod which is in insertion fit with the linkage rod insertion hole, so that the linkage valve synchronously rotates when the cone valve adjusting seat rotates.
3. The evaporator concentration adjusting device according to claim 2, further comprising a linkage sheath, wherein a limit ring platform is arranged at the top of the linkage sheath, the linkage valve comprises a linkage valve end cover and a circumferential ring platform arranged at the bottom end of the linkage valve end cover, the circumferential ring platform is arranged below the limit ring platform during assembly, and the top end of the linkage valve end cover extends out of the limit ring platform.
4. The evaporator concentration adjusting device of claim 3, wherein a waist-shaped hole extending along the axial direction is formed in the annular wall of the linkage valve end cover, and the rotation adjusting rod penetrates through the waist-shaped hole to be fixedly connected with the cone valve adjusting seat, so that the rotation adjusting rod can ascend and descend along the waist-shaped hole when the cone valve adjusting seat ascends and descends.
5. The evaporator concentration adjusting device according to claim 4, further comprising an adjusting seat spring sleeved outside the cone valve adjusting rod, wherein the bottom end of the adjusting seat spring is abutted with the cone valve seat, and the top end of the adjusting seat spring is abutted with the bottom end of the cone valve adjusting seat, so that the cone valve adjusting seat is supported by the adjusting seat spring.
6. The evaporator concentration adjusting device according to claim 5, further comprising a friction pin, wherein the top end of the friction pin is fixedly connected with the bottom end of the cone valve adjusting rod, and the bottom end of the friction pin is in contact with the top end of the cone valve, so that the cone valve is pushed by the friction pin when the cone valve adjusting rod is lifted.
7. The evaporator concentration adjusting device according to claim 6, wherein the main air passage block is provided with a fitting chamber, and the outer wall of the conical valve seat is provided with a plurality of outer annular grooves, so that when the conical valve seat is placed in the fitting chamber, a seal ring is provided in each outer annular groove.
8. The evaporator concentration adjusting device of claim 7, wherein the linkage sheath comprises a left half ring and a right half ring, and the left half ring and the right half ring are respectively fixedly arranged at the top end of the main air path block to form a circular ring-shaped linkage sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921674749.9U CN211245026U (en) | 2019-10-08 | 2019-10-08 | Concentration adjusting device of evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921674749.9U CN211245026U (en) | 2019-10-08 | 2019-10-08 | Concentration adjusting device of evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211245026U true CN211245026U (en) | 2020-08-14 |
Family
ID=71983877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921674749.9U Active CN211245026U (en) | 2019-10-08 | 2019-10-08 | Concentration adjusting device of evaporator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211245026U (en) |
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2019
- 2019-10-08 CN CN201921674749.9U patent/CN211245026U/en active Active
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