CN220083383U - Filling valve and pipeline connecting device - Google Patents
Filling valve and pipeline connecting device Download PDFInfo
- Publication number
- CN220083383U CN220083383U CN202321115551.3U CN202321115551U CN220083383U CN 220083383 U CN220083383 U CN 220083383U CN 202321115551 U CN202321115551 U CN 202321115551U CN 220083383 U CN220083383 U CN 220083383U
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- valve body
- valve
- freon
- way valve
- filling
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- 230000037452 priming Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 abstract description 12
- 230000000694 effects Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model discloses a filling valve and pipeline connecting device, which comprises a four-way valve body, wherein a pressure gauge is fixedly arranged at the top end penetrating through the four-way valve body, a safety relief valve is fixedly arranged at the rear end penetrating through the four-way valve body, a buffer bag is connected at the rear end of the safety relief valve in a threaded manner, a knob is movably connected at one side penetrating through the four-way valve body, a Freon connecting port is fixedly arranged at the other side penetrating through the four-way valve body, a compressor connecting port is fixedly arranged at the bottom end penetrating through the four-way valve body, a straight-through valve is fixedly arranged at the front surface penetrating through the four-way valve body, and a self-sucking pump is fixedly arranged at the front end of the straight-through valve; according to the connecting device for the filling valve and the pipeline, which is disclosed by the utility model, the pressure in the valve body can be reduced when the pressure in the valve body rises suddenly, the valve body and the pressure gauge are prevented from being damaged due to overlarge pressure, and the self-suction force can be generated when the pressure of the freon supply end is overlarge, so that the residual freon at the freon supply end is sucked into the valve body for filling.
Description
Technical Field
The utility model relates to the field of pipeline connection, in particular to a filling valve and pipeline connection device.
Background
The air conditioner compressor is refrigerated and is not separated from freon, so that the air conditioner compressor must be ensured to contain sufficient amount of freon, the refrigerating effect of the air conditioner cannot be influenced, a filling valve is required to be connected when the freon is filled into the compressor, the filling valve cannot be directly connected with a freon supply end, and the filling valve and the freon supply end must be connected by a pipeline connecting device; when the existing filling valve and the pipeline connecting device are used, buffering is lacking, when the Freon supply end is just opened, the pressure gauge cannot detect pressure, so that poor flow is controlled, the pressure inside the valve body is suddenly increased easily due to poor flow control, the valve body and the pressure gauge are damaged, and when the Freon content of the Freon supply end is small, the pressure of the Freon supply end can be reduced, so that the rest Freon cannot be conveyed to the inside of the valve body.
Disclosure of Invention
The utility model mainly aims to provide a device for connecting a filling valve and a pipeline, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a filling valve and pipeline connecting device, includes the cross valve body, runs through the top fixed mounting of cross valve body has the manometer, runs through the rear end fixed mounting of cross valve body has the safety relief valve, and the rear end threaded connection of safety relief valve has the buffer bag, runs through one side swing joint of cross valve body and has the knob, runs through the opposite side fixed mounting of cross valve body and has the freon connector, runs through the bottom fixed mounting of cross valve body and has the compressor connector, runs through the front fixed mounting of cross valve body and has the straight-through valve, and the front end fixed mounting of straight-through valve has the self priming pump.
As a further scheme of the utility model, the valve core inside the four-way valve body is fixedly connected with the knob, and in an initial state, four openings of the valve core are respectively communicated with the safety relief valve, the pressure gauge, the Freon connection port and the compressor connection port, and the threshold value of the maximum bearing pressure of the safety relief valve is smaller than the threshold values of the maximum bearing pressures of the four-way valve body and the pressure gauge.
As a further scheme of the utility model, the buffer bag is communicated with the inside of the four-way valve body through a safety relief valve and is in foldable arrangement.
As a further scheme of the utility model, the self-priming pump is communicated with the interior of the four-way valve body through the through valve, and in an initial state, the through valve is in a closed state.
As a further scheme of the utility model, the inner ring of the compressor connecting port and the inner ring of the Freon connecting port are provided with threads near the tail ends.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the safety relief valve, the buffer bag, the four-way valve body and the knob are arranged, when the knob is rotated to connect the Freon connector, the compressor connector, the safety relief valve and the pressure gauge through the four-way valve body, if the pressure born by the four-way valve body reaches the threshold value of the maximum bearing pressure of the safety relief valve, the safety relief valve is jacked up, part of Freon in the four-way valve body enters the buffer bag through the safety relief valve to release pressure, so that the pressure in the four-way valve body is prevented from continuously rising, the four-way valve body and the pressure gauge are prevented from being damaged, and when the pressure gauge shows that the pressure in the four-way valve body is reduced, the buffer bag is extruded to extrude the Freon in the four-way valve body, and the waste of the Freon is prevented;
through setting up self priming pump, through valve, cross valve body and knob, when the freon content of freon feed end is too little, owing to pressure is not enough, can lead to freon unable to be carried to the inside of cross valve body, at this moment, rotates the knob, through cross valve body switch-on freon connector, compressor connector and through valve, after starting the self priming pump, can inhale the inside of cross valve body with freon, be convenient for when freon feed end pressure is not enough, the filling freon.
Drawings
FIG. 1 is a schematic view of the overall structure of a filling valve and pipe connection device of the present utility model;
FIG. 2 is a rear perspective view of the overall structure of a filling valve and pipe connection device of the present utility model;
fig. 3 is a top view showing the overall structure of a filling valve and pipeline connecting device according to the present utility model.
In the figure: 1. a four-way valve body; 2. a pressure gauge; 3. a safety relief valve; 4. a buffer bladder; 5. a knob; 6. a compressor connection port; 7. a freon connection port; 8. a straight-through valve; 9. self priming pump.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1-3, a filling valve and pipeline connecting device comprises a four-way valve body 1, a pressure gauge 2 is fixedly installed at the top end penetrating through the four-way valve body 1, a safety relief valve 3 is fixedly installed at the rear end penetrating through the four-way valve body 1, a buffer bag 4 is connected at the rear end of the safety relief valve 3 in a threaded mode, a knob 5 is movably connected at one side penetrating through the four-way valve body 1, a freon connection port 7 is fixedly installed at the other side penetrating through the four-way valve body 1, a compressor connection port 6 is fixedly installed at the bottom end penetrating through the four-way valve body 1, a straight-through valve 8 is fixedly installed at the front surface penetrating through the four-way valve body 1, and a self-priming pump 9 is fixedly installed at the front end of the straight-through valve 8.
The valve core inside the four-way valve body 1 is fixedly connected with the knob 5, in an initial state, four openings of the valve core are respectively communicated with the safety relief valve 3, the pressure gauge 2, the Freon connection port 7 and the compressor connection port 6, the threshold value of the maximum bearing pressure of the safety relief valve 3 is smaller than the threshold value of the maximum bearing pressure of the four-way valve body 1 and the pressure gauge 2, after Freon enters the four-way valve body 1 through the Freon connection port 7, the pressure gauge 2 measures the pressure inside the four-way valve body 1, then the Freon is discharged out of the four-way valve body 1 through the compressor connection port 6, after the pressure inside the four-way valve body 1 reaches the threshold value of the safety relief valve 3, the safety relief valve 3 is opened, and part of Freon enters the buffer bag 4 through the safety relief valve 3 to relieve the pressure inside the four-way valve body 1.
The buffer bag 4 is communicated with the inside of the four-way valve body 1 through the safety pressure release valve 3, the buffer bag 4 is arranged in a foldable way, after freon enters the buffer bag 4 through the safety pressure release valve 3, the buffer bag 4 is expanded, the length is prolonged, and after the buffer bag 4 is extruded again, freon in the buffer bag 4 can be pressed into the inside of the four-way valve body 1.
The self priming pump 9 is communicated with the interior of the four-way valve body 1 through the through valve 8, the through valve 8 is in a closed state in an initial state, and after the rotary knob 5 is communicated with the through valve 8, an opening between the end of the safety pressure relief valve 3 and the four-way valve body 1 is closed at the moment, and the Freon can be sucked into the interior of the four-way valve body 1 by starting the self priming pump 9.
Threads are formed on the inner rings of the compressor connection port 6 and the freon connection port 7 near the tail ends, and when external hoses are installed, the connection ports of the two external hoses are respectively in threaded connection with the compressor connection port 6 and the freon connection port 7 through the threads of the inner rings of the compressor connection port 6 and the freon connection port 7.
When the device is used, firstly, an external hose is arranged on a compressor connection port 6 and a freon connection port 7, the connection ports of the two external hoses are respectively connected with the compressor connection port 6 and the freon connection port 7 in a threaded manner, a hose connected with the freon connection port 7 is connected with a freon supply end, then a filling valve is connected on a freon filling port of the compressor, and a hose connected with the compressor connection port 6 is connected with an inlet of the filling valve;
after the freon supply end starts to supply freon, the freon enters the interior of the four-way valve body 1 through a hose matched with a freon connection port 7, then the pressure gauge 2 tests and displays the pressure in the interior of the four-way valve body 1, the freon entering the interior of the four-way valve body 1 reaches a filling valve through a compressor connection port 6 matched with the hose, and the freon is filled into a compressor after the filling valve is started;
in the process of filling freon, when the pressure in the four-way valve body 1 reaches the threshold value that the safety relief valve 3 bears the maximum pressure, the safety relief valve 3 is jacked up, part of freon in the four-way valve body 1 enters the buffer bag 4 through the safety relief valve 3 and expands the buffer bag 4, the pressure in the four-way valve body 1 is reduced, the continuous rising of the pressure is avoided, the four-way valve body 1 and the pressure gauge 2 are damaged, the supply quantity of freon at the freon supply end is reduced, after the display pressure of the pressure gauge 2 is reduced, the buffer bag 4 is extruded to be folded, and the freon in the buffer bag 4 is pressed into the four-way valve body 1, so that the waste of freon is avoided;
when the freon content of the freon supply end is low, the freon is conveyed to the four-way valve body 1 by lacking the most enough pressure, at the moment, the rotary knob 5 is communicated with the inside of the straight-through valve 8 and the four-way valve body 1, the openings of the safety relief valve 3 and the four-way valve body 1 are closed, and then the self-priming pump 9 is started to suck the freon of the freon supply end into the inside of the four-way valve body 1 to continue filling.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. A filling valve and pipeline connecting device, characterized in that: including cross valve body (1), run through the top fixed mounting of cross valve body (1) has manometer (2), runs through the rear end of cross valve body (1) and has safety relief valve (3), the rear end threaded connection of safety relief valve (3) has buffer bag (4), one side swing joint who runs through cross valve body (1) has knob (5), the opposite side fixed mounting who runs through cross valve body (1) has freon connector (7), the bottom fixed mounting who runs through cross valve body (1) has compressor connector (6), the front fixed mounting who runs through cross valve body (1) has straight through valve (8), the front end fixed mounting of straight through valve (8) has self priming pump (9).
2. A filling valve and line connection as defined in claim 1, wherein: the valve core inside the four-way valve body (1) is fixedly connected with the knob (5), and in an initial state, four openings of the valve core are respectively communicated with the safety relief valve (3), the pressure gauge (2), the Freon connection port (7) and the compressor connection port (6), and the threshold value of the maximum bearing pressure of the safety relief valve (3) is smaller than that of the four-way valve body (1) and the pressure gauge (2).
3. A filling valve and line connection as defined in claim 1, wherein: the buffer bag (4) is communicated with the inside of the four-way valve body (1) through the safety relief valve (3), and the buffer bag (4) is arranged in a foldable way.
4. A filling valve and line connection as defined in claim 1, wherein: the self-priming pump (9) is communicated with the interior of the four-way valve body (1) through the through valve (8), and in an initial state, the through valve (8) is in a closed state.
5. A filling valve and line connection as defined in claim 1, wherein: threads are formed at the tail ends of inner rings of the compressor connecting port (6) and the Freon connecting port (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321115551.3U CN220083383U (en) | 2023-05-10 | 2023-05-10 | Filling valve and pipeline connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321115551.3U CN220083383U (en) | 2023-05-10 | 2023-05-10 | Filling valve and pipeline connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220083383U true CN220083383U (en) | 2023-11-24 |
Family
ID=88832479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321115551.3U Active CN220083383U (en) | 2023-05-10 | 2023-05-10 | Filling valve and pipeline connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220083383U (en) |
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2023
- 2023-05-10 CN CN202321115551.3U patent/CN220083383U/en active Active
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