CN213364112U - Pipeline pressure monitoring device - Google Patents
Pipeline pressure monitoring device Download PDFInfo
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- CN213364112U CN213364112U CN202022659775.3U CN202022659775U CN213364112U CN 213364112 U CN213364112 U CN 213364112U CN 202022659775 U CN202022659775 U CN 202022659775U CN 213364112 U CN213364112 U CN 213364112U
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Abstract
The utility model provides a pipeline pressure monitoring device, which comprises an outer shell, the breather nozzle, first circuit board, pressure sensor, the sliding sleeve, elastic component, the magnetic path, the second circuit board, position sensor, be provided with first dog on the breather nozzle, the mounting hole that breather nozzle one end passes through the shell stretches out the shell, other end installation pressure sensor, pressure sensor is with breather nozzle one end shutoff, pressure sensor installs on first circuit board, sliding sleeve slidable mounting is in the mounting hole and the cover is established on the breather nozzle, be provided with stop member on the sliding sleeve, the elastic component cover is established on the breather nozzle and is pressed from both sides and establish between first dog and sliding sleeve, the magnetic path is installed on the sliding sleeve, the second circuit is connected with first circuit board, position sensor installs on the second circuit board, cooperate with the magnetic path and make the sliding sleeve slide when, position sensor's signal can change, the utility model discloses simple structure, The magnet block has the advantages of small volume, good smoothness, long service life, difficult damage and convenience in detachment.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, concretely relates to pipeline pressure monitoring device.
Background
In the medical instrument application, especially blood processing apparatus, blood composition collection equipment need monitor the pressure of a certain system, when monitoring pressure, still can monitor the consumptive material installation condition, and at present, pressure monitoring device's mechanical structure generally is: the mechanical structure comprises a guide cap, a guide cap fixing seat, a guide cap support, an elastic ring fixing nut, a conical vent nozzle, a sealing ring and a support. Wherein lead the cap and be the plastics material, the elastic ring is the rubber material, and the elastic ring cover is outside toper vent nozzle, is the spill, is screwed up by elastic ring fixation nut and is pressed on toper vent nozzle, leads the cap and inserts and fix on leading the cap fixing base in the concave groove of elastic ring. Due to the complex mechanical structure and material, the material has the following characteristics: the structure is complicated, the volume is large, the smoothness is poor, the service life is short, and the device is easy to damage.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a solve above-mentioned problem and go on, aim at provides a simple structure, small, the ride comfort is good, longe-lived, not fragile pipeline pressure monitoring devices.
The utility model provides a pipeline pressure monitoring device, a serial communication port, include:
the device comprises a shell, a first fixing device and a second fixing device, wherein a mounting hole is formed in one side surface of the shell;
the vent nozzle is provided with a vent hole, the vent nozzle is installed in the shell, one end of the vent nozzle extends out of the shell through the installation hole, and a first stop block is arranged on the vent nozzle;
a first circuit board mounted on the housing;
the pressure sensor is used for detecting the pressure in the air nozzle, is arranged on the first circuit board and is connected with the first circuit board, the pressure sensor is matched with a through hole at one end, facing the shell, of the air nozzle, and the pressure sensor is arranged in the through hole at one end, facing the shell, of the air nozzle and then seals one end, facing the shell, of the air nozzle;
the sliding sleeve is slidably mounted in the mounting hole, a through hole is formed in the sliding sleeve, the sliding sleeve is sleeved on the vent nozzle through the through hole, a limiting component is arranged on the sliding sleeve, and the limiting component is located inside the shell;
the elastic component is sleeved on the vent nozzle and clamped between the first stop block and the sliding sleeve;
the magnetic block is arranged on the sliding sleeve;
the second circuit board is arranged on the shell and is connected with the first circuit board; and
the position sensor is installed on the second circuit board and connected with the second circuit board, and the installation position of the position sensor satisfies the following conditions: after the ventilating nozzle is installed in the device, the sliding distance of the sliding sleeve towards the inside of the shell just enables the magnetic block to move into a detection area of the position sensor.
Further, the utility model provides an among the pipeline pressure monitoring device, can also have such characteristic: wherein, be provided with the sealing washer between pressure sensor and the breather nozzle.
Further, the utility model provides an among the pipeline pressure monitoring device, can also have such characteristic: wherein the elastic member is a spring.
Further, the utility model provides an among the pipeline pressure monitoring device, can also have such characteristic: the air nozzle is characterized in that a shaft sleeve is further arranged between the sliding sleeve and the air nozzle, the shaft sleeve is fixed on the through hole of the sliding sleeve, and the shaft sleeve is sleeved on the air nozzle in a sliding mode.
Further, the utility model provides an among the pipeline pressure monitoring device, can also have such characteristic: the cross section of one end of the vent nozzle facing the outer part of the shell is gradually reduced towards the direction of the outer part of the shell, the cross section of the vent hole is unchanged, the section of the vent nozzle which is gradually reduced is not contacted with the through hole, and the shaft sleeve is positioned on one side of the through hole facing the inner part of the shell.
The utility model provides an advantage as follows:
the utility model has the advantages of simple structure, small volume, good smoothness, long service life, uneasy damage, etc.
Drawings
Fig. 1 is a schematic structural diagram of a pipeline pressure monitoring device according to an embodiment of the present invention;
fig. 2 is a sectional view of a line pressure monitoring device according to an embodiment of the present invention.
Detailed Description
In order to make the utility model realize that the technical means, creation characteristics, achievement purpose and efficiency are easy to understand and understand, the following embodiment combines the drawings to be right the utility model discloses a pipeline pressure monitoring device does specifically expound.
As shown in fig. 1 and 2, the line pressure monitoring device 100 includes: the air valve comprises a housing 10, an air vent nozzle 20, a first circuit board 30, a pressure sensor 40, a sliding sleeve 50, an elastic member 60, a magnetic block 70, a second circuit board 80 and a position sensor 90.
A side surface of the housing 10 is provided with a mounting hole 11.
The air nozzle 20 is provided with an air vent 21, the air nozzle 20 is installed in the housing 10, one end of the air nozzle 20 extends out of the housing 10 through the installation hole 11, and the air nozzle 20 is provided with a first stopper 22.
The first circuit board 30 is mounted on the housing 10 and the pressure sensor 40 is used to detect the pressure in the breather nozzle 20. The pressure sensor 40 is mounted on the first circuit board 30, and is connected to the first circuit board 30. The pressure sensor 40 is matched with one end of the vent hole 21 facing the inside of the housing 10, and the pressure sensor 40 is installed at one end of the vent hole 21 facing the inside of the housing 10 to seal the end. The first circuit board 30 and the pressure sensor 40 also serve to secure the air nozzle 20 after the air nozzle 20 is mounted on the upper pressure sensor 40.
In the present embodiment, a seal ring 41 is provided between the pressure sensor 40 and the breather nozzle 20.
The sliding sleeve 50 is slidably mounted in the mounting hole 11, a through hole 51 is formed in the sliding sleeve 50, the sliding sleeve 50 is sleeved on the vent nozzle 20 through the through hole 51, a limiting member 52 is arranged on the sliding sleeve 50, and the limiting member 52 is located inside the housing 10 and used for limiting the sliding sleeve 50 to slide out of the mounting hole 11.
In this embodiment, a shaft sleeve 53 is further disposed between the sliding sleeve 50 and the air nozzle 20, the shaft sleeve 53 is fixed on the through hole 51 of the sliding sleeve 50, and the shaft sleeve 53 is slidably sleeved on the air nozzle 20.
In the present embodiment, the cross section of the end of the air nozzle 20 facing the outside of the housing 10 is gradually reduced toward the outside of the housing 10, and the cross section of the vent hole 21 is constant, that is, the wall thickness of the left end of the air nozzle 20 is gradually reduced toward the left as viewed in the direction of fig. 2. Specifically, the end of the air nozzle 20 facing the outside of the housing 10 is a hollow cylinder, and the outer diameter of the hollow cylinder gradually decreases and the inner diameter thereof does not change toward the outside of the housing 10. The gradually decreasing section of the air nozzle 20 does not contact the through hole 51, and the boss 52 is located on the side of the through hole 51 facing the inside of the housing 10. The elastic member 60 is disposed on the air vent 20 and is interposed between the first stopper 22 and the sliding sleeve 50. When no consumable connector is installed on the vent nozzle 20, the resilient member 60 is in a free or slightly compressed state. If the elastic member 60 is in a free state, both ends of the elastic member 60 are also in contact with the first stopper 22 and the sliding sleeve 50, respectively.
In the present embodiment, the elastic member 60 is a spring.
The magnetic block 70 is mounted on the sliding sleeve 50. Specifically, the magnetic block 70 is installed at a position where the sliding sleeve 50 is located inside the housing 10.
The second circuit board 80 is mounted on the housing 10 to be connected to the first circuit board 30.
The position sensor 90 is mounted on the second circuit board 80, and is connected to the second circuit board 80, and the mounting position of the position sensor 90 satisfies: after the consumable connector is installed on the ventilation nozzle 20, the sliding sleeve 50 slides inside the housing 10 by a distance just enough to move the magnetic block 70 into the detection area of the position sensor 90. Specifically, the position sensor 90 is a hall sensor, and when the magnetic block 70 moves into the detection area of the position sensor 90, the position sensor 90 outputs 1; when the magnetic block 70 is not within the detection area of the position sensor 90, the position sensor 90 outputs 0.
The first circuit board 30 and the second circuit board 80 are each connected to an external device for transmitting the detected pressure information and the signal detected by the position sensor 90 to the external device, and the detected data is displayed by the external device.
When on advancing vent nozzle 30 with the installation of consumptive material connector, the consumptive material connector can promote the inside direction removal of sliding sleeve 50 to shell 10, compression elastic component 60, magnetic path 70 removes to shell 10 inside direction along with sliding sleeve 50, back on the vent nozzle 30 is advanced in the installation of consumptive material connector, magnetic path 70 removes in position sensor 90's detection region, position sensor 90 senses the back, output signal changes, consequently, can judge whether the consumptive material connector correctly installs in vent nozzle 30. The pressure sensor 40 detects the gas pressure in the vent nozzle 30 so that the pressure of the gas in the pipes of the consumable connector connected to the vent nozzle 30 and the equipment connected to the consumable connector can be derived. After the consumable connector is removed, the sliding sleeve 50 is restored under the elastic force of the elastic member 60.
The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.
Claims (5)
1. A line pressure monitoring device, comprising:
the device comprises a shell, a first fixing device and a second fixing device, wherein a mounting hole is formed in one side surface of the shell;
the vent nozzle is provided with a vent hole, the vent nozzle is installed in the shell, one end of the vent nozzle extends out of the shell through the installation hole, and a first stop block is arranged on the vent nozzle;
a first circuit board mounted on the housing;
the pressure sensor is used for detecting the pressure in the air nozzle, is arranged on the first circuit board and is connected with the first circuit board, the pressure sensor is matched with a through hole at one end, facing the shell, of the air nozzle, and the pressure sensor is arranged in the through hole at one end, facing the shell, of the air nozzle and then seals one end, facing the shell, of the air nozzle;
the sliding sleeve is slidably mounted in the mounting hole, a through hole is formed in the sliding sleeve, the sliding sleeve is sleeved on the vent nozzle through the through hole, a limiting component is arranged on the sliding sleeve, and the limiting component is located inside the shell;
the elastic component is sleeved on the vent nozzle and clamped between the first stop block and the sliding sleeve;
the magnetic block is arranged on the sliding sleeve;
the second circuit board is arranged on the shell and is connected with the first circuit board; and
the position sensor is installed on the second circuit board and connected with the second circuit board, and the installation position of the position sensor satisfies the following conditions: after the consumable connector is installed on the ventilating nozzle, the sliding sleeve slides towards the inside of the shell for a distance just enabling the magnetic block to move into a detection area of the position sensor.
2. The line pressure monitoring device according to claim 1, wherein:
and a sealing ring is arranged between the pressure sensor and the vent nozzle.
3. The line pressure monitoring device according to claim 1, wherein:
the elastic member is a spring.
4. The line pressure monitoring device according to claim 1, wherein:
the sliding sleeve and the vent nozzle are also provided with a shaft sleeve, the shaft sleeve is fixed on the through hole of the sliding sleeve, and the shaft sleeve is sleeved on the vent nozzle in a sliding manner.
5. The line pressure monitoring device according to claim 4, wherein:
the cross section of one end of the vent nozzle facing the outer part of the shell is gradually reduced towards the direction of the outer part of the shell, the cross section of the vent hole is unchanged, the section of the vent nozzle which is gradually reduced is not contacted with the through hole, and the shaft sleeve is positioned on one side of the through hole facing the inner part of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022659775.3U CN213364112U (en) | 2020-11-17 | 2020-11-17 | Pipeline pressure monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022659775.3U CN213364112U (en) | 2020-11-17 | 2020-11-17 | Pipeline pressure monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213364112U true CN213364112U (en) | 2021-06-04 |
Family
ID=76134643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022659775.3U Active CN213364112U (en) | 2020-11-17 | 2020-11-17 | Pipeline pressure monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213364112U (en) |
-
2020
- 2020-11-17 CN CN202022659775.3U patent/CN213364112U/en active Active
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