CN112923615A - Quick filling gun integrating vacuum pumping and refrigerant filling - Google Patents
Quick filling gun integrating vacuum pumping and refrigerant filling Download PDFInfo
- Publication number
- CN112923615A CN112923615A CN202110245820.7A CN202110245820A CN112923615A CN 112923615 A CN112923615 A CN 112923615A CN 202110245820 A CN202110245820 A CN 202110245820A CN 112923615 A CN112923615 A CN 112923615A
- Authority
- CN
- China
- Prior art keywords
- piston
- filling
- refrigerant
- gun
- channel
- 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.)
- Granted
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B45/00—Arrangements for charging or discharging refrigerant
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The invention relates to a quick filling gun for vacuumizing and filling a refrigerant pipe set. The gun comprises a gun body, a vacuumizing device and a filling device, wherein a piston is arranged in the gun body, the front end part of the piston is a working nozzle, a channel is arranged in the front end body of the piston and is communicated with the working nozzle, and a driving device is arranged at the rear end of the piston and drives the piston to stretch and retract in the gun body; the vacuumizing device and the filling device are arranged on the gun body, and when the piston moves to a working position, an air suction port of the vacuumizing device and an air charging port of the filling device can be respectively communicated with the channel, so that vacuumizing and refrigerant filling are realized. The invention has simple and reasonable structural design, can complete the butt joint with the sealing quick connector only by one station, has high production efficiency by vacuumizing, refrigerant filling and separation from the sealing quick connector.
Description
Technical Field
The invention relates to equipment for vacuumizing and filling a refrigerant pipe, in particular to a quick filling gun integrating vacuumizing and filling a refrigerant.
Background
Refrigerant pipes are required to be connected between the outdoor unit and the indoor unit of the split air conditioner, so that the refrigerant circulates between the outdoor unit and the indoor unit. In order to achieve the purpose of quick and convenient installation, the two end parts of the refrigerant pipe are provided with sealing quick joints. The refrigerant pipe needs to be vacuumized and quantitatively filled with refrigerant before leaving factory, the current work is finished by three processes,
1. firstly, a special joint tool is arranged on a sealed quick joint of a refrigerant pipe.
2. Then fill with refrigerant and fill the rifle of annotating the machine and connect the joint frock, to the refrigerant pipe evacuation and fill the refrigerant, accomplish and fill and annotate the refrigerant after, will fill and annotate the rifle and take off from the joint frock.
3. And then the joint tool is disassembled from the sealed quick joints at the two ends of the refrigerant pipe.
The refrigerant filling work of one connecting pipe needs to be divided into three stations, and three operators complete the work, so that the labor cost is increased, and the work efficiency is reduced.
Disclosure of Invention
Therefore, the invention aims to provide a quick filling gun which integrates vacuumizing and refrigerant filling quickly and conveniently.
The object of the invention is thus achieved.
A quick filling gun integrating vacuumizing and refrigerant filling comprises a gun body, a vacuumizing device and a filling device, wherein a piston is arranged in the gun body, a working nozzle is arranged at the front end of the piston, a channel is arranged in the front end of the piston and communicated with the working nozzle, and a driving device is arranged at the rear end of the piston and drives the piston to stretch and retract in the gun body; the vacuumizing device and the filling device are arranged on the gun body, and when the piston moves to a working position, an air suction port of the vacuumizing device and an air charging port of the filling device can be respectively communicated with the channel, so that vacuumizing and refrigerant filling are realized.
The technical scheme can be further perfected as follows.
The driving device is driven by air pressure or hydraulic pressure.
The front end of the channel is communicated with the working nozzle, the rear end of the channel extends out of the side wall of the piston, the pistons at two sides of the rear end of the channel are respectively provided with a sealing ring, the sealing rings seal a gap between the outer surface of the piston and the inner surface of the gun body, and the rear end of the channel is respectively communicated with an air suction port of the vacuumizing device and an inflation port of the filling device when the piston is at a working position.
The diameter of the piston at the rear end of the channel is smaller than the diameter of the piston at other positions, so that the clearance between the outer surface of the piston at the rear end of the channel and the inner surface of the gun body when the piston is in a working position is beneficial to vacuumizing and refrigerant filling.
The front end of the gun body is provided with a clamping position of a sealing quick joint which can clamp a refrigerant pipe.
The inner cavity of the working nozzle is provided with a plurality of steps which are beneficial to positioning a sealing quick joint of a refrigerant pipe and opening an elastic sealing element of the sealing quick joint of the refrigerant pipe.
The invention has simple and reasonable structural design, the sealing quick connector of the refrigerant pipe is clamped on the clamping position of the filling gun, the filling gun is started, the piston is moved to the working position, the working nozzle is meshed with the sealing quick connector and pushes the elastic sealing element of the sealing quick connector open, so that the refrigerant pipe and the filling gun establish a communication channel, then the filling gun respectively starts the vacuumizing device and the filling device, after the work is finished, the piston is recovered, the working nozzle is separated from the sealing quick connector, and the sealing quick connector immediately recovers the function of the sealing refrigerant pipe. This product only needs a station just can accomplish with sealed quick-operation joint's butt joint, evacuation, refrigerant fill, with sealed quick-operation joint's separation, production efficiency is high.
Drawings
Fig. 1 is a perspective view of the present invention in operation, with the snap-in position showing the quick-connect seal.
Fig. 2 is a left side view of the present invention.
FIG. 3 is an enlarged cross-sectional view A-A of the piston in the rest position.
Fig. 4 is an enlarged sectional view a-a, with the piston in the working position.
FIG. 5 is an enlarged cross-sectional view B-B, with the piston in the rest position.
Fig. 6 is a bottom view of the present invention, showing only the evacuation device and the external interface of the filling device.
Fig. 7 is a schematic view of the structure of the working nozzle before engagement with the sealing quick coupling.
FIG. 8 is a schematic view of the engagement of the working nozzle with the sealed quick coupling.
Detailed Description
The invention is further described in detail below with reference to the figures and examples.
The embodiment, with reference to the attached drawings, provides a rapid filling gun integrating vacuum-pumping and refrigerant filling, which comprises a gun body 1, a vacuum-pumping device 2 and a filling device 3. The front end of the gun body 1 is provided with a clamping position 5 of a sealing quick joint 4 which can clamp a refrigerant pipe. The internal piston 6 that is equipped with of rifle, piston front end portion are working nozzle 7, and the internal passageway 8 that is equipped with of front end of piston 6, 8 front ends of passageway and working nozzle 7 intercommunication, and 6 lateral walls of piston are extended to 8 rear ends of passageway, and the rear end of piston 6 is equipped with pneumatic drive device 9, and pneumatic drive device 9 drive piston 6 is flexible in rifle body 1, and pneumatic drive device is prior art, and the no longer describes.
The inner cavity of the working nozzle 7 is provided with a plurality of steps which are beneficial to positioning the sealing quick connector 4 of the refrigerant pipe and opening the elastic sealing element 10 (see figures 7 and 8) of the sealing quick connector 4 of the refrigerant pipe.
The vacuumizing device 2 and the filling device 3 are arranged on the gun body 1, when the piston moves to a working position, an air suction port 11 of the vacuumizing device 2 and an air charging port 12 of the filling device 3 can be respectively communicated with the channel 8, vacuumizing and refrigerant filling are realized, and an external interface 13 of the vacuumizing device and an external interface 14 of the filling device are arranged on the bottom surface of the gun body 1.
And sealing rings 15 and 16 are respectively arranged on the pistons at two sides of the rear end of the channel 8, and the sealing rings seal the gap between the outer surface of the piston and the inner surface of the gun body. The diameter of the piston at the rear end of the channel 8 is smaller than the diameters of other positions of the piston, so that when the piston is in a working position, a gap between the outer surface of the piston at the rear end of the channel and the inner surface of the gun body is beneficial to vacuumizing and refrigerant filling, and when the piston is in the working position, the rear end of the channel 8 is respectively communicated with an air suction port 11 of a vacuumizing device and an air charging port 12 of a filling device.
During the use, 4 cards of sealed quick-operation joint of refrigerant pipe are on screens 5, start and fill and annotate the rifle, the rifle body is stretched out to air pressure drive arrangement drive piston, the sealed quick-operation joint 4 of working nozzle 7 meshing refrigerant pipe and open its elastic sealing element 10, the intercommunication operating condition is established with the refrigerant pipe to the passageway, evacuating device starts, take out the refrigerant pipe vacuum state, fill the filling device start immediately, fill the refrigerant to the refrigerant intraductal filling (see the arrow of fig. 8 the direction), refrigerant ration is filled and is filled the completion back, the piston is retracted, the working nozzle separates with sealed quick-operation joint, the refrigerant pipe is accomplished evacuation and is filled the notes with the ration.
Claims (6)
1. The utility model provides a collection evacuation fills fast notes rifle with filling refrigerant, includes the rifle body, evacuating device and fills the filling device, its characterized in that: a piston is arranged in the gun body, a working nozzle is arranged at the front end part of the piston, a channel is arranged in the front end body of the piston and communicated with the working nozzle, and a driving device is arranged at the rear end of the piston and drives the piston to stretch and retract in the gun body;
the vacuumizing device and the filling device are arranged on the gun body, and when the piston moves to a working position, an air suction port of the vacuumizing device and an air charging port of the filling device can be respectively communicated with the channel, so that vacuumizing and refrigerant filling are realized.
2. The rapid filling gun for vacuum pumping and refrigerant filling according to claim 1, wherein: the driving device is driven by air pressure or hydraulic pressure.
3. The rapid filling gun for vacuum pumping and refrigerant filling according to claim 1, wherein: the front end of the channel is communicated with the working nozzle, the rear end of the channel extends out of the side wall of the piston, the pistons at two sides of the rear end of the channel are respectively provided with a sealing ring, the sealing rings seal a gap between the outer surface of the piston and the inner surface of the gun body, and the rear end of the channel is respectively communicated with an air suction port of the vacuumizing device and an inflation port of the filling device when the piston is at a working position.
4. The rapid filling gun for vacuum pumping and refrigerant filling according to claim 3, wherein: the diameter of the piston at the rear end of the channel is smaller than the diameter of the piston at other positions, so that the clearance between the outer surface of the piston at the rear end of the channel and the inner surface of the gun body when the piston is in a working position is beneficial to vacuumizing and refrigerant filling.
5. The rapid filling gun for vacuum pumping and refrigerant filling according to claim 1, wherein: the front end of the gun body is provided with a clamping position of a sealing quick joint which can clamp a refrigerant pipe.
6. The rapid filling gun for vacuum pumping and refrigerant filling according to claim 1, wherein: the inner cavity of the working nozzle is provided with a plurality of steps which are beneficial to positioning a sealing quick joint of a refrigerant pipe and opening an elastic sealing element of the sealing quick joint of the refrigerant pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110245820.7A CN112923615B (en) | 2021-03-05 | 2021-03-05 | Quick filling gun integrating vacuum pumping and refrigerant filling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110245820.7A CN112923615B (en) | 2021-03-05 | 2021-03-05 | Quick filling gun integrating vacuum pumping and refrigerant filling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112923615A true CN112923615A (en) | 2021-06-08 |
| CN112923615B CN112923615B (en) | 2022-12-27 |
Family
ID=76171582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110245820.7A Active CN112923615B (en) | 2021-03-05 | 2021-03-05 | Quick filling gun integrating vacuum pumping and refrigerant filling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112923615B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4869300A (en) * | 1987-09-14 | 1989-09-26 | Rapidfil, Inc. | Multifunction fluid charging device |
| US5560407A (en) * | 1995-04-11 | 1996-10-01 | Production Control Units, Inc. | Dispensing tool assembly for evacuating and charging a fluid system |
| US6298886B1 (en) * | 2000-07-05 | 2001-10-09 | Production Control Units, Inc. | Dispensing tool assembly for evacuating and charging a fluid system |
| US20030226598A1 (en) * | 2002-06-07 | 2003-12-11 | Machine Design Specialists, Inc. | Dispensing tool for evacuating and charging a fluid system |
| US20070144611A1 (en) * | 2005-12-09 | 2007-06-28 | Production Control Units, Inc. | Dispensing tool assembly for evacuating and charging a fluid system |
| CN102162561A (en) * | 2011-04-16 | 2011-08-24 | 庄志军 | Flush-resistant pneumatic quick-change connector |
| CN102679644A (en) * | 2012-05-25 | 2012-09-19 | 爱发科东方真空(成都)有限公司 | Refrigerant filling gun |
| CN203477711U (en) * | 2013-07-15 | 2014-03-12 | 珠海市美科自动化设备有限公司 | Rapid connector for compression equipment |
| CN204127539U (en) * | 2014-07-31 | 2015-01-28 | 广东科学技术职业学院 | Pneumatic quick connector |
| CN205173807U (en) * | 2015-12-09 | 2016-04-20 | 宁波新邦工具有限公司 | Assemble convenient quick -operation joint |
| CN205978931U (en) * | 2016-04-25 | 2017-02-22 | 上海悟力仪表电器有限公司 | Quick test connector of instrument and manometer |
| CN106870851A (en) * | 2017-04-13 | 2017-06-20 | 宋春春 | Pipelines of automobile air conditioner exempts to vacuumize snap joint and its installation method |
| CN107250032A (en) * | 2015-02-11 | 2017-10-13 | 杜尔索马克有限公司 | Fill head driving method and the filling head of automotive air-conditioning system is filled with refrigerant R744 |
| CN109592632A (en) * | 2019-02-18 | 2019-04-09 | 济南瑞玛电气有限公司 | A kind of automatic telescopic filling gun |
-
2021
- 2021-03-05 CN CN202110245820.7A patent/CN112923615B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4869300A (en) * | 1987-09-14 | 1989-09-26 | Rapidfil, Inc. | Multifunction fluid charging device |
| US5560407A (en) * | 1995-04-11 | 1996-10-01 | Production Control Units, Inc. | Dispensing tool assembly for evacuating and charging a fluid system |
| US6298886B1 (en) * | 2000-07-05 | 2001-10-09 | Production Control Units, Inc. | Dispensing tool assembly for evacuating and charging a fluid system |
| US20030226598A1 (en) * | 2002-06-07 | 2003-12-11 | Machine Design Specialists, Inc. | Dispensing tool for evacuating and charging a fluid system |
| US20070144611A1 (en) * | 2005-12-09 | 2007-06-28 | Production Control Units, Inc. | Dispensing tool assembly for evacuating and charging a fluid system |
| CN102162561A (en) * | 2011-04-16 | 2011-08-24 | 庄志军 | Flush-resistant pneumatic quick-change connector |
| CN102679644A (en) * | 2012-05-25 | 2012-09-19 | 爱发科东方真空(成都)有限公司 | Refrigerant filling gun |
| CN203477711U (en) * | 2013-07-15 | 2014-03-12 | 珠海市美科自动化设备有限公司 | Rapid connector for compression equipment |
| CN204127539U (en) * | 2014-07-31 | 2015-01-28 | 广东科学技术职业学院 | Pneumatic quick connector |
| CN107250032A (en) * | 2015-02-11 | 2017-10-13 | 杜尔索马克有限公司 | Fill head driving method and the filling head of automotive air-conditioning system is filled with refrigerant R744 |
| CN205173807U (en) * | 2015-12-09 | 2016-04-20 | 宁波新邦工具有限公司 | Assemble convenient quick -operation joint |
| CN205978931U (en) * | 2016-04-25 | 2017-02-22 | 上海悟力仪表电器有限公司 | Quick test connector of instrument and manometer |
| CN106870851A (en) * | 2017-04-13 | 2017-06-20 | 宋春春 | Pipelines of automobile air conditioner exempts to vacuumize snap joint and its installation method |
| CN109592632A (en) * | 2019-02-18 | 2019-04-09 | 济南瑞玛电气有限公司 | A kind of automatic telescopic filling gun |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112923615B (en) | 2022-12-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111571109B (en) | Auxiliary welding device for end cover for machining air cylinder | |
| CN211626815U (en) | Vacuum brazing air tightness detection device | |
| CN101376157A (en) | Machine for processing head of pipe fitting | |
| CN112923615B (en) | Quick filling gun integrating vacuum pumping and refrigerant filling | |
| CN210253902U (en) | Hybrid rivetless riveting tool | |
| CN216464710U (en) | Arm of automatic control becomes more meticulous | |
| CN108709692B (en) | A aerating device for pipeline gas tightness detects | |
| CN111452342B (en) | Processing technology of insulating rubber tube | |
| CN114852406A (en) | Automatic vacuum film sticking machine | |
| CN211545205U (en) | Glove grabbing equipment on epidemic prevention glove production line | |
| CN217153357U (en) | Engineering machine tool air conditioner pipeline crimping structure | |
| CN212864123U (en) | Oil filling gun for vehicle | |
| CN111421797A (en) | Post-processing device for insulating rubber tube | |
| CN110143314A (en) | A kind of halogen chicken claw production final package equipment | |
| CN215445274U (en) | Inflation and evacuation composite connecting piece | |
| CN218018342U (en) | Beer case integration positioner | |
| CN219388959U (en) | But quick connect's gas connecting pipe | |
| CN110552858A (en) | Multifunctional pump body combined structure | |
| CN212794094U (en) | Special clamp for machining automobile engine shell | |
| CN204873812U (en) | Anti -icing fluid filling rifle | |
| CN219639717U (en) | Scalable rotatory manifold connection structure | |
| CN215399756U (en) | Head pushing equipment of menstrual period trousers packing machine | |
| CN216913607U (en) | Compressing device for assembling silencing bag | |
| CN117554111B (en) | Wide-capacity air conditioner production detection device and detection method thereof | |
| CN116921531B (en) | Full-automatic punching and trimming integrated device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: One of 701, Building 6, Zhifu Baili Garden, No. 28, Nanguo West Road, Gate Community, Daliang Street, Shunde District, Foshan City, Guangdong Province, 528300 (Residence declaration) Applicant after: FOSHAN SHUNDE DINGLIAN INTELLIGENT TECHNOLOGY CO.,LTD. Address before: 528300 back workshop of building 4, no.5-1, Honggang section, Guangzhu Road, Daliang, Shunde District, Foshan City, Guangdong Province (no.29-12, Honggang section, Guangzhu Road) Applicant before: FOSHAN SHUNDE DINGLIAN INTELLIGENT TECHNOLOGY CO.,LTD. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |