CN219412843U - Diaphragm pump air inlet connection adjusting device - Google Patents
Diaphragm pump air inlet connection adjusting device Download PDFInfo
- Publication number
- CN219412843U CN219412843U CN202320229789.2U CN202320229789U CN219412843U CN 219412843 U CN219412843 U CN 219412843U CN 202320229789 U CN202320229789 U CN 202320229789U CN 219412843 U CN219412843 U CN 219412843U
- Authority
- CN
- China
- Prior art keywords
- air inlet
- adjusting device
- diaphragm pump
- adjusting
- connection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model provides a diaphragm pump air inlet connection adjusting device, wherein a connection adjusting device main body is provided with a vacuum meter and an air outlet interface, both ends of the connection adjusting device main body are provided with air inlet interfaces, and each air inlet interface is detachably connected with a three-way valve respectively; the connecting adjusting device main body is provided with an adjusting air inlet, and the adjusting air inlet is provided with an air inlet adjusting device; the connecting and adjusting device main body, the three-way valve, the adjusting knob and the T-shaped pressing cap are made of PTFE. The device provided by the utility model is integrated with the diaphragm pump, the main body is made of PTFE material and can resist chemical corrosion, the double-tee structure and the diaphragm pump are integrated, the use is convenient, the effect of one-to-two is realized, and 1 diaphragm pump can realize simultaneous or independent vacuumizing. Meanwhile, the diaphragm pump is provided with an air inlet adjusting device, and the communication quantity between the internal channel of the diaphragm pump and the atmosphere can be adjusted by rotating the adjusting knob, so that the pressure release of the diaphragm pump is realized.
Description
Technical Field
The utility model relates to a connecting device of a diaphragm pump, in particular to a connecting and adjusting device of an air inlet of the diaphragm pump.
Background
In the current experiment, if 1 diaphragm pump needs to connect two devices and vacuumize at the same time or independently, the two diaphragm pumps often need to be connected with a three-way valve again. At present, the diaphragm pump and the three-way valve are all split, namely, the diaphragm pump is connected with the three-way valve and then connected with other equipment, the connection mode is complex, meanwhile, if one-to-two connection is to be realized, the three-way valve is often required to be additionally arranged, many clients do not know about correct connection, the conventional three-way valve is made of metal materials, is not resistant to chemical corrosion, and is not applicable to testing of certain fluids.
Disclosure of Invention
The utility model provides a diaphragm pump air inlet connection adjusting device, wherein a connection adjusting device main body is provided with a vacuum meter and an air outlet interface, the air outlet interface is used for connecting a diaphragm pump, both ends of the diaphragm pump are provided with air inlet interfaces, and each air inlet interface is detachably connected with a three-way valve respectively;
the connecting and adjusting device comprises a connecting and adjusting device body, wherein an adjusting air inlet is formed in the connecting and adjusting device body, an air inlet adjusting device is arranged on the adjusting air inlet and is composed of an adjusting knob, a T-shaped pressing cap and a spring, the adjusting air inlet is provided with a step hole, the T-shaped pressing cap is inserted into the step hole, the spring is sleeved on a round rod of the T-shaped pressing cap and is abutted between the step hole and the T-shaped pressing cap, the adjusting knob is provided with a screw rod in threaded fit with the adjusting air inlet, and the screw rod is tightly pressed on the outer end face of the T-shaped pressing cap;
the connecting and adjusting device main body, the three-way valve, the adjusting knob and the T-shaped pressing cap are made of PTFE.
Furthermore, the air inlet interface is provided with internal threads, one end of the three-way valve is provided with a hollow stud which is in threaded fit with the air inlet interface, and a sealing ring is arranged between the air inlet interface and the three-way valve.
Further, the three-way valve comprises a three-way shell, a columnar valve core and a mounting nut, wherein one end of the columnar valve core is provided with a radial through hole and can be rotatably inserted into the three-way shell, the other end of the columnar valve core is connected with a handle, and the mounting nut penetrates through the columnar valve core and is in threaded connection with the three-way shell.
Further, the columnar valve core is positioned at the inner outer diameter of the three-way shell, and a plurality of sealing rings are arranged at the inner outer diameter of the three-way shell.
Furthermore, an open ring gasket is arranged in the mounting nut.
Furthermore, an open ring gasket is arranged in the mounting nut.
One end of the three-way shell is provided with a quick connector, and the outer diameter of the quick connector is provided with a plurality of conical rings which are axially distributed.
Further, the air outlet interface and the adjusting air inlet are respectively arranged on the front surface and the back surface of the main body of the connecting adjusting device.
According to the diaphragm pump air inlet connection adjusting device, the device is integrated with the diaphragm pump, the main body is made of PTFE materials and can resist chemical corrosion, the double-tee structure is integrated with the diaphragm pump, the device is convenient to use, the effect of one-to-two is achieved, and 1 diaphragm pump can be vacuumized simultaneously or independently. Meanwhile, the diaphragm pump is provided with an air inlet adjusting device, and the communication quantity between the internal channel of the diaphragm pump and the atmosphere can be adjusted by rotating the adjusting knob, so that the pressure release of the diaphragm pump is realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a back view of a diaphragm pump air inlet connection adjusting device provided by the utility model;
fig. 2 is an exploded view of the connection adjusting device of the present utility model.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.
In order to provide a thorough understanding of the present utility model, detailed steps and detailed structures will be presented in the following description in order to explain the technical solution of the present utility model. Preferred embodiments of the present utility model are described in detail below, however, the present utility model may have other embodiments in addition to these detailed descriptions.
Referring to fig. 1-2, the utility model provides a diaphragm pump air inlet connection adjusting device, a connection adjusting device main body 1 is provided with a vacuum meter 2, the vacuum degree is displayed in a pointer mode, an air outlet interface 3 is arranged on the front surface of the connection adjusting device main body 1 and is used for being connected with a diaphragm pump, an adjusting air inlet 6 is arranged on the back surface of the connection adjusting device main body 1, an air inlet adjusting device 7 is arranged on the adjusting air inlet 6, and the air inlet adjusting device 7 consists of an adjusting knob 7-1, a T-shaped press cap 7-2 and a spring 7-3. The adjusting air inlet 6 is provided with a step hole, the T-shaped pressing cap 7-2 is inserted into the step hole, the spring 7-3 is sleeved on the round rod of the T-shaped pressing cap 7-2 and is abutted between the step hole and the T-shaped pressing cap 7-2, the front end of the adjusting knob 7-1 is provided with a screw rod in threaded fit with the adjusting air inlet 6, and the screw rod is tightly pressed on the outer side end face of the T-shaped pressing cap 7-2. When pressure needs to be released, the adjusting knob 7-1 is rotated, the T-shaped pressure cap 7-2 is enabled to move outwards under the action of the spring 7-3, the internal cavity of the connecting adjusting device is communicated with the atmosphere, and internal pressure release is achieved. The pressure release rate can be adjusted by adjusting the rotation angle of the knob 7-1.
Two ends of the connection adjusting device main body 1 are provided with air inlet interfaces 4, and each air inlet interface 4 is detachably connected with a three-way valve 5 respectively. The three-way valve 5 comprises a three-way shell 5-1, a columnar valve core 5-2 and a mounting nut 5-3, the air inlet interface 4 is provided with internal threads, one end of the three-way shell 5-1 is provided with a hollow stud in threaded fit with the air inlet interface 4, and a sealing ring is arranged between the air inlet interface 4 and the three-way valve 5. One end of the three-way shell 5-1 is provided with a quick connector 5-8, and the outer diameter of the quick connector is provided with a plurality of conical rings which are axially distributed, so that the sealing performance is ensured while the connecting pipeline is convenient.
One end of the columnar valve core 5-2 is provided with a radial through hole 5-4 and can be rotatably inserted into the three-way shell 5-1, the other end of the columnar valve core 5-2 is connected with a handle 5-5, the installation nut 5-3 penetrates through the columnar valve core 5-2 and is in threaded connection with the three-way shell 5-1, and after the installation nut 5-3 is assembled, the handle 5-5 penetrates through the columnar valve core 5-2 and is fixed. The columnar valve core 5-2 is positioned at the inner outer diameter of the three-way shell 5-1 and is provided with a plurality of sealing rings 5-6 so as to ensure the tightness of the valve core.
In an alternative embodiment, the split ring gasket 5-7 is arranged in the mounting nut 5-3, and the split ring gasket 5-7 enables the combination of the nut and the three-way shell 5-1 to be firmer, so that the looseness of the mounting nut 5-3 can be effectively avoided.
In the utility model, the materials of the connecting and adjusting device main body 1, the three-way valve 5, the adjusting knob 7-1 and the T-shaped press cap 7-2 are all made of corrosion-resistant PTFE (Poly tetra fluoroethylene, polytetrafluoroethylene, abbreviated as PTFE) materials, and the connecting and adjusting device is suitable for transmission and test of corrosive chemical fluid.
The preferred embodiments of the present utility model have been described above. It is to be understood that the utility model is not limited to the specific embodiments described above, wherein devices and structures not described in detail are to be understood as being implemented in a manner common in the art; any person skilled in the art can make many possible variations and modifications to the technical solution of the present utility model or modifications to equivalent embodiments without departing from the scope of the technical solution of the present utility model, using the methods and technical contents disclosed above, without affecting the essential content of the present utility model. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (7)
1. The diaphragm pump air inlet connection adjusting device is characterized in that two ends of the connection adjusting device body (1) are respectively provided with an air inlet interface (4), and each air inlet interface (4) is detachably connected with a three-way valve (5) respectively;
the connecting adjusting device is characterized in that an adjusting air inlet (6) is formed in the connecting adjusting device main body (1), an air inlet adjusting device (7) is arranged in the adjusting air inlet (6), the air inlet adjusting device (7) is composed of an adjusting knob (7-1), a T-shaped pressing cap (7-2) and a spring (7-3), the adjusting air inlet (6) is provided with a step hole, the T-shaped pressing cap (7-2) is inserted into the step hole, the spring (7-3) is sleeved on a round rod of the T-shaped pressing cap (7-2) and is abutted between the step hole and the T-shaped pressing cap (7-2), a screw rod is arranged on the adjusting knob (7-1) and is in threaded fit with the adjusting air inlet (6), and the screw rod is tightly pressed on the outer end face of the T-shaped pressing cap (7-2);
the connecting and adjusting device is characterized in that the connecting and adjusting device body (1), the three-way valve (5), the adjusting knob (7-1) and the T-shaped pressure cap (7-2) are made of PTFE.
2. The diaphragm pump air inlet connection adjusting device according to claim 1, wherein the air inlet connector (4) is provided with internal threads, one end of the three-way valve (5) is provided with a hollow stud in threaded fit with the air inlet connector (4), and a sealing ring is arranged between the air inlet connector (4) and the three-way valve (5).
3. The diaphragm pump air inlet connection adjusting device according to claim 1, wherein the three-way valve (5) comprises a three-way shell (5-1), a columnar valve core (5-2) and a mounting nut (5-3), one end of the columnar valve core (5-2) is provided with a radial through hole (5-4) and is rotatably inserted into the three-way shell (5-1), the other end of the columnar valve core (5-2) is connected with a handle (5-5), and the mounting nut (5-3) penetrates through the columnar valve core (5-2) and is in threaded connection with the three-way shell (5-1).
4. A diaphragm pump air inlet connection adjusting device according to claim 3, characterized in that the cylindrical valve core (5-2) is provided with a plurality of sealing rings (5-6) at the inner and outer diameters of the three-way housing (5-1).
5. A diaphragm pump intake connection adjustment device according to claim 3, characterized in that a split ring spacer (5-7) is provided in the mounting nut (5-3).
6. A diaphragm pump air inlet connection adjusting device according to claim 3, characterized in that one end of the three-way housing (5-1) is provided with a quick connector (5-8), the outer diameter of the quick connector is provided with a plurality of conical rings distributed axially.
7. A diaphragm pump air inlet connection adjusting device according to claim 1, wherein the air outlet interface (3) and the adjusting air inlet (6) are respectively arranged on the front side and the back side of the connection adjusting device main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320229789.2U CN219412843U (en) | 2023-02-16 | 2023-02-16 | Diaphragm pump air inlet connection adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320229789.2U CN219412843U (en) | 2023-02-16 | 2023-02-16 | Diaphragm pump air inlet connection adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219412843U true CN219412843U (en) | 2023-07-25 |
Family
ID=87236468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320229789.2U Active CN219412843U (en) | 2023-02-16 | 2023-02-16 | Diaphragm pump air inlet connection adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219412843U (en) |
-
2023
- 2023-02-16 CN CN202320229789.2U patent/CN219412843U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4876005A (en) | High pressure column assembly for a liquid chromatograph system | |
| WO1999036722A1 (en) | Quarter turn quick connect fitting | |
| AU2013377842B2 (en) | Fluidic coupling devices, assemblies, and related methods | |
| CN219412843U (en) | Diaphragm pump air inlet connection adjusting device | |
| CN216158820U (en) | Portable liquid oxygen supply device | |
| CN214534971U (en) | High-pressure pipe fitting with improved generation seal structure | |
| US3034528A (en) | Sampling valve | |
| CN213575710U (en) | Multi-channel reversing sample injection valve corrected by using sealing ring | |
| CN113833979B (en) | Portable liquid oxygen supply device | |
| EP0328146B1 (en) | A high pressure column assembly for a liquid chromatograph system | |
| CN209014190U (en) | A kind of pressure meter three-way connector with detection mouth | |
| CN105928664A (en) | Leakage test fixture and airtightness and ventilation detection method for nozzle body part | |
| CN220729548U (en) | Pipe interface valve test fixture | |
| CN112943483A (en) | Double-channel redundant sealing device of liquid rocket engine | |
| CN220452130U (en) | Vacuum pump with threaded interface | |
| CN218883357U (en) | Pipe fitting pressure testing shutoff pressure release equipment | |
| CN217330437U (en) | Device capable of simultaneously vacuumizing a plurality of airtight syringes | |
| CN113776726B (en) | Pressure measuring joint and pressure measuring system | |
| CN210978601U (en) | Liquid leakage prevention ball valve | |
| CN206056879U (en) | The leak test fixture of nozzle device body component | |
| CN220626288U (en) | Elastic compression cap of capillary chromatographic column connecting device | |
| CN219198492U (en) | Channel converging device and liquid phase detection equipment | |
| CN220891845U (en) | Detachable vaporizer device | |
| CN211426395U (en) | Zero dead volume liquid high-pressure switch valve | |
| CN212083178U (en) | Water meter measuring tank with double sample tanks |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |