CN203501579U - Coolant filling system and connecting device thereof - Google Patents
Coolant filling system and connecting device thereof Download PDFInfo
- Publication number
- CN203501579U CN203501579U CN201320533095.4U CN201320533095U CN203501579U CN 203501579 U CN203501579 U CN 203501579U CN 201320533095 U CN201320533095 U CN 201320533095U CN 203501579 U CN203501579 U CN 203501579U
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- CN
- China
- Prior art keywords
- tube connector
- jockey
- injection system
- coolant injection
- connecting pipe
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- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a coolant filling system and a connecting device thereof. The system comprises a first connecting pipe, a second connecting pipe and a cutoff valve, wherein the interior of the first connecting pipe is provided with a coolant passage, one end of the first connecting pipe is provided with an inner thread hole which is in thread connection with a steel cylinder of the coolant filling system, the second connecting pipe is connected with the first connecting pipe, and the cutoff valve is connected with the second connecting pipe. The connecting device of the coolant filling system has the advantage that by the thread connection between the first connecting pipe and the steel cylinder, compared with the prior art adopting a flared copper pipe and a copper joint to connect, the flaring of the first connecting pipe is obviously avoided, so the connecting strength of the first connecting pipe is effectively improved, the probability of explosion cracking of the first connecting pipe is reduced, and the safety hidden hazards are further reduced.
Description
Technical field
The utility model relates to coolant injection technical field, more particularly, relates to a kind of coolant injection system and jockey thereof.
Background technology
In air-conditioning exploitation performance test process, need to carry out coolant injection work frequently to air-conditioning system.Conventionally adopt filling refrigerant, steel cylinder storage.When being filled to refrigerant, air-conditioning system need a jockey to connect steel cylinder and air-conditioning system, to realize filling of refrigerant.Because the exit of steel cylinder is provided with stop valve, so the outlet of refrigerant has external screw thread.
At present, jockey is that copper pipe and copper are received son, and wherein, this copper pipe and copper are received one end of sub-connection needs enlarging, is horn-like, so that welding copper pipe and copper are received sub-connection; Copper receive son be threaded with the outlet of steel cylinder.
But strength decreased after copper pipe enlarging, due to refrigerant pressure altitude 40bar in steel cylinder, causes the more explosive brisement of enlarging place of copper pipe to be opened, and has larger potential safety hazard.
In sum, how strengthening the bonding strength of jockey, to reduce potential safety hazard, is current those skilled in the art's problem demanding prompt solution.
Utility model content
The purpose of this utility model is to provide a kind of jockey of coolant injection system, to strengthen its bonding strength, and then reduces potential safety hazard.Another object of the present utility model is to provide a kind of coolant injection system.
To achieve these goals, the utility model provides following technical scheme:
A jockey for coolant injection system, comprising:
Inside has the first tube connector of refrigerant passage, and one end of described the first tube connector is provided with the internal thread hole being threaded for the steel cylinder with described coolant injection system;
The second tube connector being connected with described the first tube connector;
The stop valve being connected with described the second tube connector.
Preferably, in the jockey of above-mentioned coolant injection system, the other end of described the first tube connector is provided with installing hole, and described the second tube connector is positioned at described installing hole and is weldingly connected with described the first tube connector.
Preferably, in the jockey of above-mentioned coolant injection system, the diameter of described refrigerant passage is less than the diameter of described internal thread hole, and is less than the diameter of described installing hole.
Preferably, in the jockey of above-mentioned coolant injection system, described the first tube connector is connected by oxygen welding with described the second tube connector, and described the second tube connector is connected by oxygen welding with described stop valve.
Preferably, in the jockey of above-mentioned coolant injection system, described the first tube connector is hexa-prism.
Preferably, in the jockey of above-mentioned coolant injection system, described stop valve is three-way cut-off valve.
Preferably, in the jockey of above-mentioned coolant injection system, described the first tube connector is brass tube, and described the second tube connector is copper pipe.
Jockey based on the above-mentioned coolant injection system providing, the utility model also provides a kind of coolant injection system, this coolant injection system comprises: the steel cylinder of storage refrigerant, the jockey being connected with described steel cylinder, for connecting the connecting hose of air-conditioning system and described jockey, weigh the electronic scale of described steel cylinder quality; Wherein, described jockey is the jockey of the coolant injection system described in above-mentioned any one, and described connecting hose is connected with the outlet of described stop valve.
The jockey of the coolant injection system that the utility model provides, by the first tube connector, be threaded with steel cylinder, adopting flared copper tube and copper to receive sub-connection with prior art compares, obviously, avoided the first tube connector to carry out enlarging, thereby effectively strengthened the bonding strength of the first tube connector, reduced the probability that the first tube connector explosion disconnects, and then reduced potential safety hazard.
Meanwhile, the jockey of the coolant injection system that the utility model provides, has the stop valve being connected with the second tube connector, when the first tube connector damages, can remove being connected of the second tube connector and stop valve, change the first tube connector and the second tube connector, change more convenient; The jockey of this coolant injection system is provided with stop valve simultaneously, after total stop valve damage or inefficacy on steel cylinder, can control filling of refrigerant by stop valve, has effectively guaranteed safe and reliable.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The front view of the jockey of the coolant injection system that Fig. 1 provides for the utility model embodiment;
The left view of the jockey of the coolant injection system that Fig. 2 provides for the utility model embodiment;
The axial cutaway view of the first tube connector in the jockey of the coolant injection system that Fig. 3 provides for the utility model embodiment;
The structural representation of the coolant injection system that Fig. 4 provides for the utility model embodiment.
In upper Fig. 1-Fig. 4:
1 is that the first tube connector, 11 is that refrigerant passage, 12 is that internal thread hole, 13 is that installing hole, 2 is that the second tube connector, 3 is that stop valve, 4 is that connecting hose, 5 is that steel cylinder, 6 is electronic scale.
The specific embodiment
The utility model embodiment provides a kind of jockey of coolant injection system, has strengthened its bonding strength, and then has reduced potential safety hazard.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The jockey of the coolant injection system that the utility model embodiment provides, comprising: inside has the first tube connector 1 of refrigerant passage 11, and one end of this first tube connector 1 is provided with the internal thread hole 12 being threaded for the steel cylinder 5 with coolant injection system; The second tube connector 2 being connected with the first tube connector 1; The stop valve 3 being connected with the second tube connector 2.
In the jockey of the coolant injection system that above-described embodiment provides, stop valve 3 is for being connected with air-conditioning system.The diameter of the internal thread hole 12 of the first tube connector 1, designs according to the externally threaded diameter of actual steel cylinder 5 outlet, and the utility model embodiment does not do this particularly and limits.
The jockey of the coolant injection system that the utility model embodiment provides, by the first tube connector 1, be threaded with steel cylinder 5, adopting flared copper tube and copper to receive sub-connection with prior art compares, obviously, avoided the first tube connector 1 to carry out enlarging, thereby effectively strengthened the bonding strength of the first tube connector 1, reduced the probability that the first tube connector 1 explosion disconnects, and then reduced potential safety hazard.
Meanwhile, the jockey of the coolant injection system that the utility model embodiment provides, has the stop valve 3 being connected with the second tube connector 2, when the first tube connector 1 damages, can remove being connected of the second tube connector 2 and stop valve 3, change the first tube connector 1 and the second tube connector 2, change more convenient; The jockey of this coolant injection system is provided with stop valve 3 simultaneously, after total stop valve damage or inefficacy on steel cylinder 5, can control filling of refrigerant by stop valve 3, has effectively guaranteed safe and reliable.
Preferably, in the jockey of the coolant injection system that above-described embodiment provides, the other end of the first tube connector 1 is provided with installing hole 13, the second tube connectors 2 and is positioned at installing hole 13 and is weldingly connected with the first tube connector 1.Like this, can effectively guarantee the bonding strength of the first tube connector 1 and the second tube connector 2, and then guarantee safe and reliable.Certainly, the second tube connector 2 also can adopt other connected mode to be connected with the first tube connector 1, and the raw embodiment of the utility model does not do this particularly and limits.
In order effectively to guarantee the intensity of the first tube connector 1, in the jockey of the coolant injection system that above-described embodiment provides, the diameter of refrigerant passage 11 is less than the diameter of internal thread hole 12, and is less than the diameter of installing hole 13.Like this, can increase as much as possible the wall thickness of the first tube connector 1, thereby guarantee the intensity of the first tube connector 1.
Preferably, in the jockey of the coolant injection system that above-described embodiment provides, the first tube connector 1 is connected by oxygen welding with the second tube connector 2, and the second tube connector 2 is connected by oxygen welding with stop valve 3.Certainly, the first tube connector 1 also can be connected by other welding manners with stop valve 3 with the second tube connector 2, the second tube connector 2, and the utility model embodiment does not do this particularly and limits.
For the ease of the first tube connector 1 is installed, in the jockey of the coolant injection system that above-described embodiment provides, the first tube connector 1 is hexa-prism, and the profile of the first tube connector 1 is hexa-prism, like this, being convenient to spanner blocks the first tube connector 1 and tightens the first tube connector 1.
For the ease of installation and the use of stop valve 3, in the jockey of the coolant injection system that above-described embodiment provides, stop valve 3 is three-way cut-off valve.The first valve port of three-way cut-off valve is connected with the second tube connector 2, and the second valve port is for being connected with air-conditioning system, and the 3rd valve port can block.Certainly, also can adopt two-way stop valve, just be not easy to install and use.
Preferably, in the jockey of the coolant injection system that above-described embodiment provides, the first tube connector 1 is brass tube, and the second tube connector 2 is copper pipe.Because brass tube quality is hard, not perishable, and high temperature resistant, high pressure resistant, like this, can effectively strengthen the intensity of the first tube connector 1, adopt copper pipe as the second tube connector 2 simultaneously, also strengthened the intensity of the second tube connector 2, thereby further guaranteed safe and reliable.
The jockey of the coolant injection system that above-described embodiment provides, can be equipped with a plurality of acknowledgment copies, in order to changing, for example, is equipped with a plurality of the first tube connectors 1, the second tube connector 2 and stop valve 3.
The jockey of the coolant injection system providing based on above-described embodiment, the utility model embodiment also provides a kind of coolant injection system, comprise: the steel cylinder 5 of storage refrigerant, the jockey being connected with steel cylinder 5, for connecting the connecting hose 4 of air-conditioning system and jockey, weigh the electronic scale 6 of steel cylinder 5 quality; Wherein, jockey is the jockey of the coolant injection system described in above-described embodiment, and connecting hose 4 is connected with the outlet of stop valve 3.
The jockey of the coolant injection system providing due to above-described embodiment has above-mentioned technique effect, the coolant injection system that the utility model embodiment provides has the jockey of above-mentioned coolant injection system, the coolant injection system that the utility model embodiment provides also has corresponding technique effect, repeats no more herein.
The using method of the coolant injection system that above-described embodiment provides is: total stop valve of closing steel cylinder 5, whole jockey is connected in to the outlet of total stop valve, use spanner block the first tube connector 1 and turn clockwise, the internal thread hole of the first tube connector 1 12 is connected with the interface external thread that goes out of total stop valve, until connect fastening; Close stop valve 3, one end of connecting hose 4 is connected in the outlet of stop valve 3, and the other end is connected on the charging valve of air-conditioning system; After having connected, open total stop valve and stop valve 3, refrigerant is got rid of with liquid form from steel cylinder 5, after the air in whole jockey and connecting hose 4 is drained, can carry out coolant injection.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment as herein described, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. a jockey for coolant injection system, is characterized in that, comprising:
Inside has first tube connector (1) of refrigerant passage (11), and one end of described the first tube connector (1) is provided with the internal thread hole (12) being threaded for the steel cylinder with described coolant injection system (5);
The second tube connector (2) being connected with described the first tube connector (1);
The stop valve (3) being connected with described the second tube connector (2).
2. the jockey of coolant injection system as claimed in claim 1, it is characterized in that, the other end of described the first tube connector (1) is provided with installing hole (13), and described the second tube connector (2) is positioned at described installing hole (13) and is weldingly connected with described the first tube connector (1).
3. the jockey of coolant injection system as claimed in claim 2, is characterized in that, the diameter of described refrigerant passage (11) is less than the diameter of described internal thread hole (12), and is less than the diameter of described installing hole (13).
4. the jockey of coolant injection system as claimed in claim 2, is characterized in that, described the first tube connector (1) is connected by oxygen welding with described the second tube connector (2), and described the second tube connector (2) is connected by oxygen welding with described stop valve (3).
5. the jockey of coolant injection system as claimed in claim 1, is characterized in that, described the first tube connector (1) is hexa-prism.
6. the jockey of coolant injection system as claimed in claim 1, is characterized in that, described stop valve (3) is three-way cut-off valve.
7. the jockey of the coolant injection system as described in any one in claim 1-6, is characterized in that, described the first tube connector (1) is brass tube, and described the second tube connector (2) is copper pipe.
8. a coolant injection system, comprising: store the steel cylinder (5) of refrigerant, the jockey being connected with described steel cylinder (5), for connecting the connecting hose (4) of air-conditioning system and described jockey, weighs the electronic scale (6) of described steel cylinder (5) quality; It is characterized in that, described jockey is the jockey of the coolant injection system as described in any one in claim 1-7, and described connecting hose (4) is connected with the outlet of described stop valve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320533095.4U CN203501579U (en) | 2013-08-29 | 2013-08-29 | Coolant filling system and connecting device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320533095.4U CN203501579U (en) | 2013-08-29 | 2013-08-29 | Coolant filling system and connecting device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203501579U true CN203501579U (en) | 2014-03-26 |
Family
ID=50332555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320533095.4U Expired - Fee Related CN203501579U (en) | 2013-08-29 | 2013-08-29 | Coolant filling system and connecting device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203501579U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867834A (en) * | 2014-04-03 | 2014-06-18 | 深圳麦克维尔空调有限公司 | Tee joint connector |
| CN110398096A (en) * | 2019-08-05 | 2019-11-01 | 杭州铭铄机电科技有限公司 | A kind of air conditioner coolant filling the adjustable of machine rushes head |
| CN110886914A (en) * | 2019-12-30 | 2020-03-17 | 江苏拓米洛环境试验设备有限公司 | Butt joint process for oil return pipe of oil return port of compressor |
-
2013
- 2013-08-29 CN CN201320533095.4U patent/CN203501579U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103867834A (en) * | 2014-04-03 | 2014-06-18 | 深圳麦克维尔空调有限公司 | Tee joint connector |
| CN103867834B (en) * | 2014-04-03 | 2016-04-20 | 深圳麦克维尔空调有限公司 | A kind of three-way connection |
| CN110398096A (en) * | 2019-08-05 | 2019-11-01 | 杭州铭铄机电科技有限公司 | A kind of air conditioner coolant filling the adjustable of machine rushes head |
| CN110398096B (en) * | 2019-08-05 | 2020-12-22 | 南通市江海钢绳有限公司 | Adjustable punching injection head of air conditioner refrigerant filling machine |
| CN110886914A (en) * | 2019-12-30 | 2020-03-17 | 江苏拓米洛环境试验设备有限公司 | Butt joint process for oil return pipe of oil return port of compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20150829 |
|
| EXPY | Termination of patent right or utility model |