CN202845987U - Flame brazing welder and pipe joint protection tool thereof - Google Patents
Flame brazing welder and pipe joint protection tool thereof Download PDFInfo
- Publication number
- CN202845987U CN202845987U CN 201220453572 CN201220453572U CN202845987U CN 202845987 U CN202845987 U CN 202845987U CN 201220453572 CN201220453572 CN 201220453572 CN 201220453572 U CN201220453572 U CN 201220453572U CN 202845987 U CN202845987 U CN 202845987U
- Authority
- CN
- China
- Prior art keywords
- pipe joint
- main body
- tool set
- protecting tool
- utility
- 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.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model discloses a flame brazing welder and a pipe joint protection tool thereof. The main body of the pipe joint protection tool is a cylindrical structure, one end of the main body is a thread protection end, and the other end of the main body is a connecting end connecting with the welder. An abut plate with a nitrogen filling hole is arranged on the inner wall of the main body at portion near the connecting end, through which, the pipe joint protection tool can be installed onto the welder. When a pipe joint has to be welded onto a workpiece, the thread end of the pipe joint is inserted into the thread protection end of the pipe joint protection tool. Compared with the prior art, where the thread end of the pipe joint has to be screwed into a brass nut, the pipe joint protection tool disclosed in the utility model is labor saving and time saving in dismounting process, saves man-hour, and improves work efficiency. Since the main body of the pipe joint protection tool is a cylindrical structure and does not have fragile thread structure, the service lifetime of the pipe joint protection tool is prolonged and the maintenance cost is reduced.
Description
Technical field
The utility model relates to the gas brazing technical field, particularly a kind of gas brazing bonding machine and pipe joint protecting tool set-up thereof.
Background technology
Soldering: refer to use than the low-melting metal material of mother metal as solder, with the wetting mother metal of liquid solder with fill the workpiece interface gaps, and make itself and the welding method of mother metal phase counterdiffusion.
Gas brazing: the soldering of heating with flame of combustible gases.
Pipe joint: connecting line or pipeline is contained in part on the Hydraulic Elements is a kind of general name of the connector that can install and remove in fluid passage.
In air conditioner refrigerating and attached industry thereof, generally adopt gas brazing that pipe joint is soldered on the workpiece at present, the nut end that is specially pipe joint is soldered on the workpiece, thereby the end of thread of pipe joint can be connected with another workpiece.The extreme temperatures of flame; for fear of in welding process; thermal-flame causes damage to the end of thread of pipe joint; frock clamp end at bonding machine is provided with the brass nut that matches with the end of thread of pipe joint; during welding; the end of thread of pipe joint is screwed in the brass nut, but brass nut double thread end protect, make it not be subjected to the impact of thermal-flame.After welding is finished, will from the brass nut of bonding machine, unload with the workpiece of pipe joint.Yet this bonding machine is through after the multiple welding, and the brass nut interior tissue changes, also there are certain wearing and tearing in screw thread, finally causes brass nut and pipe joint loading and unloading difficulty, and unloading process takes time and effort, just need scrap processing during serious wear, life cycle is short, has increased maintenance cost.
After welding is finished, temperature is all higher in a slice heat affected area around the weld of workpiece and pipe joint and this weld, even after adopting the pressure-air cooling, its surface temperature also just is down to about 300 ℃, and the workman still exists and scalds hidden danger when the workpiece of taking after welding, after being the pressure-air cooling, still need under nature, cool off 30-45min, waste man-hour, affect the subsequent production process.
Therefore, how to provide a kind of pipe joint protecting tool set-up, its convenient disassembly and life cycle are longer, can increase work efficiency, and reduce simultaneously maintenance cost, are the technical problems that those skilled in the art need solution badly.
The utility model content
In view of this, main purpose of the present utility model is to provide a kind of pipe joint protecting tool set-up, and this pipe joint protecting tool set-up convenient disassembly and life cycle are longer, can increase work efficiency, and reduce simultaneously maintenance cost.
For solving the problems of the technologies described above; the utility model provides a kind of pipe joint protecting tool set-up; it is characterized in that; the main body of described pipe joint protecting tool set-up is tubular structure; one end of described main body is the screw thread protection end; the other end is the interface end that is connected with bonding machine, and the inwall of described main body is provided with the butt plate near the position of described interface end, and described butt plate is provided with along its thickness direction and fills the nitrogen hole with what it ran through.
Preferably, in the aforementioned tube joint protective frock, describedly fill the central authorities that the nitrogen hole is positioned at described butt plate.
Preferably, in the aforementioned tube joint protective frock, also be provided with on the described butt plate with described and fill the nitrogen blanketing valve that the nitrogen hole is connected.
Preferably, in the aforementioned tube joint protective frock, the top of described nitrogen blanketing valve is lower than the top of described screw thread protection end.
Preferably, in the aforementioned tube joint protective frock, the top of described nitrogen blanketing valve is lower than the top 20mm of described screw thread protection end.
Preferably, in the aforementioned tube joint protective frock, the described main body between described butt plate and the described nitrogen blanketing valve top is provided with the draining window.
Preferably, in the aforementioned tube joint protective frock, described draining window is two, and is oppositely arranged on the described main body.
Preferably, in the aforementioned tube joint protective frock, the end face of described butt plate is downward-sloping to the outer rim direction by its center.
Preferably, in the aforementioned tube joint protective frock, the main body of described pipe joint protecting tool set-up is made by resistant to elevated temperatures metal.
With respect to prior art, technique effect of the present utility model is:
The pipe joint protecting tool set-up that the utility model provides; its main body is tubular structure; one end of main body is the screw thread protection end; the interface end of the other end for being connected with bonding machine; the inwall of this main body is provided with the butt plate near the position of interface end, is provided with on this butt plate along its thickness direction to fill the nitrogen hole with what it ran through.
As can be known, when being plugged to interface end of the present utility model on the bonding machine, the butt plate is connected on the bonding machine, the utility model can be mounted on the bonding machine, during welding, oxidized for fear of workpiece and pipe joint, bonding machine can fill nitrogen to weld by the nitrogen hole of filling that is arranged on the butt plate.When needs during with the welding of pipe joint and workpiece, only the end of thread of pipe joint need be plugged to screw thread protection end of the present utility model gets final product, in prior art, need the end of thread of pipe joint is threaded in the brass nut, disassembly process of the present utility model is time saving and energy saving, save man-hour, improved operating efficiency; Because main body of the present utility model is tubular structure, do not have the easy damage structure of screw thread, so its life cycle is longer, has reduced maintenance cost simultaneously.
The invention also discloses a kind of gas brazing bonding machine, comprise the bonding machine main body and be arranged on pipe joint protecting tool set-up on the described bonding machine main body, described pipe joint protecting tool set-up is above-mentioned pipe joint protecting tool set-up.Because aforementioned tube joint protective frock has above-mentioned technique effect, the gas brazing bonding machine with aforementioned tube joint protective frock also should possess corresponding technique effect.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to the accompanying drawing that provides other accompanying drawing.
The structural representation of the pipe joint protecting tool set-up that Fig. 1 provides for the utility model;
The cutaway view of the pipe joint protecting tool set-up that Fig. 2 provides for the utility model;
The side view of the pipe joint protecting tool set-up that Fig. 3 provides for the utility model.
Among the upper figure, the corresponding relation between Reference numeral and the component names is:
1 screw thread protection end; 2 interface end; 3 butt plates; 4 nitrogen blanketing valves; 5 draining windows.
The specific embodiment
Core of the present utility model is to provide a kind of pipe joint protecting tool set-up, and this pipe joint protecting tool set-up convenient disassembly and life cycle are longer, can increase work efficiency, and reduce simultaneously maintenance cost.
In order to make those skilled in the art understand better the technical solution of the utility model, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.Obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1-Fig. 3, the structural representation of the pipe joint protecting tool set-up that Fig. 1 provides for the utility model; The cutaway view of the pipe joint protecting tool set-up that Fig. 2 provides for the utility model; The side view of the pipe joint protecting tool set-up that Fig. 3 provides for the utility model.
The pipe joint protecting tool set-up that the utility model embodiment provides; its main body is tubular structure; one end of main body is screw thread protection end 1; the interface end 2 of the other end for being connected with bonding machine; the inwall of this main body is provided with butt plate 3 near the position of interface end 2, is provided with on this butt plate 3 along its thickness direction to fill the nitrogen hole with what it ran through.
As can be known, when being plugged to interface end 2 of the present utility model on the bonding machine, butt plate 3 is connected on the bonding machine, the utility model can be mounted on the bonding machine, during welding, oxidized for fear of workpiece and pipe joint, bonding machine can fill nitrogen to weld by the nitrogen hole of filling that is arranged on the butt plate 3.When needs during with the welding of pipe joint and workpiece, only the end of thread of pipe joint need be plugged to screw thread protection end 1 of the present utility model gets final product, in prior art, need the end of thread of pipe joint is threaded in the brass nut, disassembly process of the present utility model is time saving and energy saving, save man-hour, improved operating efficiency; Because main body of the present utility model is tubular structure, do not have the easy damage structure of screw thread, so its life cycle is longer, has reduced maintenance cost simultaneously.
Particularly, above-mentionedly fill the central authorities that the nitrogen hole is positioned at butt plate 3.Nitrogen can evenly diffuse to the weld of workpiece and pipe joint like this, has optimized the effect of anti-oxidation.Further, also be provided with on the butt plate 3 and the nitrogen blanketing valve 4 that fills the nitrogen hole and be connected.Directly nitrogen is sent to weld by this nitrogen blanketing valve 4.This nitrogen blanketing valve 4 is positioned at the inside of the tubular structure of the utility model main body; the utility model is protected the end of thread of pipe joint to screw thread protection end 1; screw thread protection end 1 butt is to the nut of pipe joint; this place is the weld of pipe joint and workpiece as can be known; therefore; the top of above-mentioned nitrogen blanketing valve 4 will be lower than the top of screw thread protection end 1; so that nitrogen is sent in weld and the heat-affected zone thereof; particularly; the top of nitrogen blanketing valve 4 is lower than the top 20mm of screw thread protection end 1 in a kind of specific embodiment that the utility model provides; can be so that the distribution of nitrogen be the most reasonable; namely only low; so that to the not soldered regional inflated with nitrogen that has influence on, high only, so that the soldered zone that has influence on is not charged to nitrogen.
After welding is complete; temperature is all higher in a slice heat affected area around the weld of workpiece and pipe joint and this weld; because the utility model is tubular protection structure, therefore, can directly adopt water-cooled cooling; be about to cooling water and directly be sprayed onto the main body of the present utility model outside; can realize fast cooling, after pressure-air cooling of the prior art, in natural cooling; the utility model has been eliminated the stand-by period of a rear operation, has saved man-hour.
In order further to optimize technique scheme, in the utility model, main body between butt plate 3 and nitrogen blanketing valve 4 is provided with draining window 5, be that cooling water can directly be sprayed onto on the nitrogen blanketing valve 4 that the utility model is subjected to welding heat affected maximum, this nitrogen blanketing valve 4 is that the end of thread of direct and pipe joint is contacted, therefore, water is sprayed onto nitrogen blanketing valve 4, can improves water-cooled effect of the present utility model.After current spray into, because the setting position of this draining window 5 is between the top of butt plate 3 and nitrogen blanketing valve 4, therefore, can not enter on the one hand nitrogen blanketing valve 4 interior surveys, flow in the bonding machine along nitrogen blanketing valve 4; On the other hand, can be directly flow out along the end face of butt plate 3.Further, flow down along the end face of butt plate 3 in order more to be convenient to cooling water, the end face of butt plate 3 is downward-sloping to the outer rim direction by its center in the utility model.
Need to prove raw material of the present utility model optional high temperature resistant, be convenient to machining, corrosion resistant metal, such as red copper, brass, stainless steel etc.The utility model is preferably red copper.
The invention also discloses a kind of gas brazing bonding machine, comprise the bonding machine main body and be arranged on pipe joint protecting tool set-up on the bonding machine main body, this pipe joint protecting tool set-up is above-mentioned pipe joint protecting tool set-up.Because aforementioned tube joint protective frock has above-mentioned technique effect, the gas brazing bonding machine with aforementioned tube joint protective frock also should possess corresponding technique effect.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (9)
1. pipe joint protecting tool set-up; it is characterized in that; the main body of described pipe joint protecting tool set-up is tubular structure; one end of described main body is the screw thread protection end; the interface end of the other end for being connected with bonding machine; the inwall of described main body is provided with the butt plate near the position of described interface end, and described butt plate is provided with along its thickness direction and fills the nitrogen hole with what it ran through.
2. pipe joint protecting tool set-up according to claim 1 is characterized in that, describedly fills the central authorities that the nitrogen hole is positioned at described butt plate.
3. pipe joint protecting tool set-up according to claim 2 is characterized in that, also is provided with on the described butt plate with described to fill the nitrogen blanketing valve that the nitrogen hole is connected.
4. pipe joint protecting tool set-up according to claim 3 is characterized in that, the top of described nitrogen blanketing valve is lower than the top of described screw thread protection end.
5. pipe joint protecting tool set-up according to claim 4 is characterized in that, the top of described nitrogen blanketing valve is lower than the top 20mm of described screw thread protection end.
6. pipe joint protecting tool set-up according to claim 3 is characterized in that, the described main body between described butt plate and the described nitrogen blanketing valve top is provided with the draining window.
7. pipe joint protecting tool set-up according to claim 6 is characterized in that, described draining window is two, and is oppositely arranged on the described main body.
8. pipe joint protecting tool set-up according to claim 7 is characterized in that, the end face of described butt plate is downward-sloping to the outer rim direction by its center.
9. gas brazing bonding machine comprises the bonding machine main body and is arranged on pipe joint protecting tool set-up on the described bonding machine main body that it is characterized in that, described pipe joint protecting tool set-up is such as each described pipe joint protecting tool set-up of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220453572 CN202845987U (en) | 2012-09-06 | 2012-09-06 | Flame brazing welder and pipe joint protection tool thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220453572 CN202845987U (en) | 2012-09-06 | 2012-09-06 | Flame brazing welder and pipe joint protection tool thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202845987U true CN202845987U (en) | 2013-04-03 |
Family
ID=47977223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220453572 Withdrawn - After Issue CN202845987U (en) | 2012-09-06 | 2012-09-06 | Flame brazing welder and pipe joint protection tool thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202845987U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102837100A (en) * | 2012-09-06 | 2012-12-26 | 珠海格力电器股份有限公司 | Flame brazing welding machine and pipe joint protecting tool thereof |
-
2012
- 2012-09-06 CN CN 201220453572 patent/CN202845987U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102837100A (en) * | 2012-09-06 | 2012-12-26 | 珠海格力电器股份有限公司 | Flame brazing welding machine and pipe joint protecting tool thereof |
| CN102837100B (en) * | 2012-09-06 | 2014-10-01 | 珠海格力电器股份有限公司 | Flame brazing welding machine and pipe joint protecting tool thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102837100B (en) | Flame brazing welding machine and pipe joint protecting tool thereof | |
| CN102554484A (en) | Metal pipe welding method and metal pipe welding assembly | |
| CN103084703A (en) | Method for patching, overlay welding and reproducing large-scale hollow steel casting | |
| CN103978290A (en) | Joint welding clamp of titanium alloy straight pipe and joint welding method | |
| CN103317249B (en) | Method for repairing anode steel stud | |
| CN102861985A (en) | Repairing method of aluminum alloy agitating friction welding hole defects | |
| CN103672008A (en) | Ball valve with all-welded valve bodies and welding method of ball valve | |
| CN201677114U (en) | Cooling coil pipe and tube sheet inner hole welding device for nitric acid absorber | |
| CN105414708A (en) | Welding repair method for gray cast iron | |
| CN103600204B (en) | A kind of manufacture method of agitating friction brazed aluminum alloy combined wheels | |
| CN102785004A (en) | Process for surfacing stainless steel sealing face on ductile cast iron valve base | |
| CN105312742A (en) | Welding technology | |
| CN202845987U (en) | Flame brazing welder and pipe joint protection tool thereof | |
| CN203627875U (en) | Ball valve with all-welded valve body | |
| CN102886589A (en) | Welding process for corrosion-resistant alloy material Monel 400 | |
| CN103028813B (en) | Welding repair method for local damage of G42CrMo4N cold rolling shaft sleeve | |
| CN112496670A (en) | Non-welding repair process for casting cracks | |
| CN101837448A (en) | Repairing method for steel ladle and iron ladle | |
| CN109807438A (en) | A method of for water heater porcelain enamel steel liner girth welding | |
| CN103752988A (en) | Welding method of stainless steel plates | |
| CN105108280A (en) | Welding method of high-molybdenum stainless steel plate | |
| CN103752995B (en) | A kind of welding method based on valve stress dispersion | |
| CN104526254A (en) | Four-roll plate bending machine rack fracture welding and repairing method | |
| CN107030363A (en) | A kind of air blowing type nut projection welding bottom electrode | |
| CN109707915B (en) | Limiting ring for pipeline and pipeline processing technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GELI ELECTRIC APPLIANCE CO., LTD., ZHUHAI Free format text: FORMER OWNER: GREE ELECTRIC APPLIANCES, INC. OF HEFEI Effective date: 20131015 Owner name: GREE ELECTRIC APPLIANCES, INC. OF HEFEI Free format text: FORMER OWNER: GELI ELECTRIC APPLIANCE CO., LTD., ZHUHAI Effective date: 20131015 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 519070 ZHUHAI, GUANGDONG PROVINCE TO: 230088 HEFEI, ANHUI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131015 Address after: 230088 Anhui city of Hefei province high tech Zone Parkinson weir Science Park Road No. 208, GREE electric appliances (Hefei) Co., Ltd. Patentee after: GREE ELECTRIC(HEFEI) Co.,Ltd. Patentee after: GREE ELECTRIC APPLIANCES Inc. OF ZHUHAI Address before: 519070, 6, Jinji Road, Zhuhai, Guangdong, Zhuhai Patentee before: GREE ELECTRIC APPLIANCES Inc. OF ZHUHAI Patentee before: GREE ELECTRIC(HEFEI) Co.,Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130403 Effective date of abandoning: 20141001 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130403 Effective date of abandoning: 20141001 |
|
| RGAV | Abandon patent right to avoid regrant |