CN213065534U - Gas switching device - Google Patents
Gas switching device Download PDFInfo
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- CN213065534U CN213065534U CN202021639416.5U CN202021639416U CN213065534U CN 213065534 U CN213065534 U CN 213065534U CN 202021639416 U CN202021639416 U CN 202021639416U CN 213065534 U CN213065534 U CN 213065534U
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Abstract
The utility model discloses a gas switching device, including the box to and bilateral symmetry installs two sets of pipelines of box inside, every set of pipeline includes: a sliding type mounting bracket; an air inlet port is arranged at the lower end of the sliding type mounting bracket; the first high-pressure reducer is communicated with the upper end of the air inlet port; the pressure gauge bracket is communicated with the upper end of the first high-pressure reducer; the second high-pressure reducer is communicated with the upper end of the pressure gauge support; the connecting middle frame is communicated with the upper end of the second high-pressure reducer; a feedback type electromagnetic valve communicated with the upper end of the connecting middle frame; and the connecting angle bracket is communicated with the upper end of the feedback type electromagnetic valve. The two connecting angle brackets are communicated with two connectors of the three-way ball valve; the other port of the three-way ball valve is connected and communicated with the bottom end of the exhaust port through a ball head; an exhaust port of the exhaust port protrudes out of the tank body. The maintenance can be carried out quickly, and one set of pipeline can be arranged for maintenance while the other set is arranged for maintenance.
Description
Technical Field
The utility model relates to a gaseous auto-change over device.
Background
A switching device for medical gas is generally used for switching between decompression of a plurality of bottled high-pressure oxygen gas used in parallel and standby bottled oxygen gas. The existing automatic switching devices are divided into two categories, namely pneumatic control and electric control. The whole process of pneumatic control is not electrified, the automatic switching function of high-pressure gas is realized through the change of pressure, the automatic switching device has the advantages of safety, inaccurate switching pressure, requirement for manual observation of pressure change, and no prompt alarm when all bottled gas is used up. Electric control for through the sensor, according to the procedure of setting for, conclude the arrangement to the gaseous information of access to equipment, realize that gaseous use can be traceed back, convenience of customers knows gaseous service behavior: the peak and frequency of use, etc. are switched accurately at the same time, but the gas is insufficient or leaked, etc. can automatically alarm, can access the joint control network of the hospital, realize the remote monitoring.
The automatically controlled auto-change over device on the existing market is when the maintenance, dismantles the difficulty, but almost will pull down the pipeline of whole device all the rear maintenance, simultaneously, for the guarantee is airtight, uses the thread to glue and seals up with the thread seal tape, has increased the dismantlement degree of difficulty.
Disclosure of Invention
An object of the utility model is to provide a gas switching device can the quick maintenance to set up two sets of pipelines and can one set of during operation, another set is maintained.
The technical scheme for realizing the purpose is as follows:
a gas switching device comprises a box body and two sets of pipelines which are arranged in the box body in a bilateral symmetry manner,
each set of pipelines comprises:
the sliding type mounting bracket is vertically mounted on the left side or the right side in the box body;
the air inlet of the sliding type mounting bracket extends out of an air inlet port outside the box body;
the first high-pressure reducer is arranged on the sliding type mounting bracket and is communicated with the upper end of the air inlet port through a ball head quick connection;
the pressure gauge bracket is arranged on the sliding type mounting bracket and is communicated with the upper end of the first high-pressure reducer through a ball head quick connection;
the second high-pressure reducer is arranged on the sliding type mounting bracket and is communicated with the upper end of the pressure gauge bracket through a ball head quick connection;
the connecting middle frame is arranged on the sliding type mounting bracket and is communicated with the upper end of the second high-pressure reducer through a ball head quick joint;
the feedback type electromagnetic valve is arranged on the sliding type mounting bracket and is communicated with the upper end of the connecting middle frame through a ball head quick connector; and
the connecting angle bracket is arranged on the sliding type mounting bracket and is communicated with the upper end of the feedback type electromagnetic valve through a ball head quick connection;
the two connecting angle frames are communicated with two connectors of a three-way ball valve through ball heads in a quick connection mode;
the other port of the three-way ball valve is connected and communicated with the bottom end of the exhaust port through a ball head;
an exhaust port of the exhaust port protrudes out of the tank body.
Preferably, a first pressure sensor is installed at one end of the air inlet port, which is located in the box body, through a sealing ring;
a first gas pressure gauge is arranged at the part of the air inlet port in the box body;
and an air inlet of the air inlet port is provided with external threads.
Preferably, a second gas pressure gauge is arranged on the pressure gauge support;
the pressure gauge support is hermetically communicated with a first safety relief valve.
Preferably, each connecting end of the ball head quick connection is provided with a sealing ring.
Preferably, the exhaust port is installed in the box body, the left end of the exhaust port is communicated with a first mini ball valve through a sealing ring, and the right end of the exhaust port is communicated with a second safety relief valve through a sealing ring.
Preferably, a low-pressure gauge stand is further installed in the box body, a quick connector is installed at the upper end of the low-pressure gauge stand, the right end of the low-pressure gauge stand is communicated with a second mini ball valve, and the lower end of the low-pressure gauge stand is communicated with a second pressure sensor;
the quick connector is communicated with the first mini ball valve through a hose;
and a third gas pressure gauge is installed on the low pressure gauge seat.
Preferably, the top of the box body is provided with a waste gas discharge port, the bottom end of the waste gas discharge port is connected with a gas quick connector arranged in the box body, and the gas quick connector is communicated with the first safety relief valve, the second safety relief valve and the second mini ball valve through hoses.
Preferably, the sliding type mounting bracket is slidably mounted on the inner wall of the box body;
the box body is hinged with an upward-turning door, and a pair of hydraulic rods is arranged between the upward-turning door and the inner wall of the box body.
The utility model has the advantages that: the utility model realizes the rapid and convenient maintenance of the equipment through the ball head quick connection and the sliding type mounting bracket, and solves the problem of difficult equipment maintenance; meanwhile, the problem that the gas use condition is unscented and searchable is solved, so that the gas use condition can be traced; by detecting the state of the feedback type electromagnetic valve, the problem branch can be directly judged, and the maintenance is convenient; by using the sealing ring to replace the thread rubber and the thread seal tape, the use standard of the oxygen pipeline is met, and the use safety and the quick maintenance capability of the equipment are improved. The device comprises two sets of pipelines, and when one set of pipeline works, the other set of pipeline can be maintained without influencing the normal work of the other set of pipeline.
Drawings
Fig. 1 is an internal structure view of the gas switching device of the present invention;
fig. 2 is an external structural view of the gas switching device of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1 and 2, the gas switching device of the present invention includes a box 1 and two sets of pipelines symmetrically installed inside the box.
Each set of pipelines comprises: the device comprises a sliding type mounting support 2, an air inlet port 3, a first high-pressure reducer 4, a pressure gauge support 5, a second high-pressure reducer 6, a connecting middle frame 7, a feedback type electromagnetic valve 8 and a connecting angle frame 9.
The sliding type mounting bracket 2 is vertically mounted at the left side or the right side inside the box body 1. An air inlet port 3 is arranged at the lower end of the sliding type mounting bracket 2, and an air inlet of the air inlet port extends out of the box body 1. The first high-pressure reducer 4 is installed on the sliding type installing support 2 and is communicated with the upper end of the air inlet port 3 through a ball head quick connector 10. The pressure gauge bracket 5 is arranged on the sliding type mounting bracket 2 and is communicated with the upper end of the first high-pressure reducer 4 through a ball head quick connector 10. The second high-pressure reducer 6 is arranged on the sliding type mounting bracket 2 and is communicated with the upper end of the pressure gauge bracket 5 through a ball head quick connector 10. The connecting middle frame 7 is arranged on the sliding type mounting bracket 2 and is communicated with the upper end of the second high-pressure reducer 6 through a ball head quick connector 10. The feedback type electromagnetic valve 8 is arranged on the sliding type mounting bracket 2 and is communicated with the upper end of the connecting middle frame 7 through a ball head quick connector 10. The connecting angle bracket 9 is arranged on the sliding type mounting bracket 2 and is communicated with the upper end of the feedback type electromagnetic valve 8 through a ball head quick connector 10.
The two connecting angle brackets 9 on the left side and the right side are communicated with two connectors of a three-way ball valve 11 through ball head quick connectors 10. The other port of the three-way ball valve 11 is communicated with the bottom end of an exhaust port 12 through a ball head quick connector 10. The exhaust port 12 has an exhaust port protruding out of the case 1.
The first pressure sensor 13 is installed at one end of the air inlet port 3 in the box body 1 through a sealing ring. A portion of the intake port 3 located inside the case 1 is mounted with a first gas pressure gauge 14. The air inlet of the air inlet port 3 is provided with external threads.
A second gas pressure gauge 15 is arranged on the pressure gauge bracket 5; the pressure gauge support 5 is in sealed communication with a first safety relief valve 16.
And a sealing ring is arranged at the connecting end of each ball head quick connector 10 to play a role in sealing and communicating.
The exhaust port 12 is installed in the box body 1, and the left end of the exhaust port is communicated with a first mini ball valve 17 through a sealing ring, and the right end of the exhaust port is communicated with a second safety relief valve 18 through a sealing ring.
A low-pressure gauge stand 19 is further installed in the box body 1, a quick connector is installed at the upper end of the low-pressure gauge stand, the right end of the low-pressure gauge stand is communicated with a second mini ball valve, and the lower end of the low-pressure gauge stand is communicated with a second pressure sensor. The quick connector is communicated with the first mini ball valve 17 through a hose. The low pressure gauge stand 19 is provided with a third gas pressure gauge.
The top of the box body 1 is provided with a waste gas discharge port 20, the bottom end of the waste gas discharge port 20 is connected with a gas quick connector arranged in the box body 1, and the gas quick connector is communicated with the first safety relief valve 16, the second safety relief valve 18 and the second mini ball valve through hoses. And waste gas is collected, so that the waste gas is prevented from being accumulated in equipment and harming the health of operators.
The sliding type mounting bracket 2 is slidably mounted on the inner wall of the box body 1.
The box body 1 is hinged with an upward-turning door, and a pair of hydraulic rods 21 are arranged between the upward-turning door and the inner wall of the box body 1. The upturned door can be kept in an open state after being opened, and operation of personnel is facilitated.
The embodiments are provided only for the purpose of illustration, not for the limitation of the present invention, and those skilled in the relevant art can make various changes or modifications without departing from the spirit and scope of the present invention, therefore, all equivalent technical solutions should also belong to the scope of the present invention, and should be defined by the claims.
Claims (8)
1. A gas switching device is characterized by comprising a box body and two sets of pipelines which are arranged in the box body in a bilateral symmetry manner,
each set of pipelines comprises:
the sliding type mounting bracket is vertically mounted on the left side or the right side in the box body;
the air inlet of the sliding type mounting bracket extends out of an air inlet port outside the box body;
the first high-pressure reducer is arranged on the sliding type mounting bracket and is communicated with the upper end of the air inlet port through a ball head quick connection;
the pressure gauge bracket is arranged on the sliding type mounting bracket and is communicated with the upper end of the first high-pressure reducer through a ball head quick connection;
the second high-pressure reducer is arranged on the sliding type mounting bracket and is communicated with the upper end of the pressure gauge bracket through a ball head quick connection;
the connecting middle frame is arranged on the sliding type mounting bracket and is communicated with the upper end of the second high-pressure reducer through a ball head quick joint;
the feedback type electromagnetic valve is arranged on the sliding type mounting bracket and is communicated with the upper end of the connecting middle frame through a ball head quick connector; and
the connecting angle bracket is arranged on the sliding type mounting bracket and is communicated with the upper end of the feedback type electromagnetic valve through a ball head quick connection;
the two connecting angle frames are communicated with two connectors of a three-way ball valve through ball heads in a quick connection mode;
the other port of the three-way ball valve is connected and communicated with the bottom end of the exhaust port through a ball head;
an exhaust port of the exhaust port protrudes out of the tank body.
2. The gas switching apparatus according to claim 1, wherein a first pressure sensor is mounted to one end of the gas inlet port located in the tank body through a seal ring;
a first gas pressure gauge is arranged at the part of the air inlet port in the box body;
and an air inlet of the air inlet port is provided with external threads.
3. The gas switching apparatus according to claim 1, wherein a second gas pressure gauge is mounted on the pressure gauge support;
the pressure gauge support is hermetically communicated with a first safety relief valve.
4. The gas switching apparatus according to claim 1, wherein each of said ball snap-on connection ends is provided with a sealing ring.
5. The gas switching device according to claim 3, wherein the exhaust port is installed in the tank body, and a first mini ball valve is communicated with the left end of the exhaust port through a sealing ring, and a second safety relief valve is communicated with the right end of the exhaust port through a sealing ring.
6. The gas switching device according to claim 5, wherein a low pressure gauge stand is further installed in the box body, a quick coupling is installed at the upper end of the low pressure gauge stand, the right end of the low pressure gauge stand is communicated with the second mini ball valve, and the lower end of the low pressure gauge stand is communicated with the second pressure sensor;
the quick connector is communicated with the first mini ball valve through a hose;
and a third gas pressure gauge is installed on the low pressure gauge seat.
7. The gas switching device according to claim 6, wherein a waste gas discharge port is arranged at the top of the box body, a gas quick connector arranged in the box body is connected to the bottom end of the waste gas discharge port, and the gas quick connector is communicated with the first safety relief valve, the second safety relief valve and the second mini ball valve through hoses.
8. The gas switching apparatus according to claim 1, wherein the slidable mounting bracket is slidably mounted on an inner wall of the housing;
the box body is hinged with an upward-turning door, and a pair of hydraulic rods is arranged between the upward-turning door and the inner wall of the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021639416.5U CN213065534U (en) | 2020-08-07 | 2020-08-07 | Gas switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021639416.5U CN213065534U (en) | 2020-08-07 | 2020-08-07 | Gas switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213065534U true CN213065534U (en) | 2021-04-27 |
Family
ID=75580937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021639416.5U Active CN213065534U (en) | 2020-08-07 | 2020-08-07 | Gas switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213065534U (en) |
-
2020
- 2020-08-07 CN CN202021639416.5U patent/CN213065534U/en active Active
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