CN220838668U - Welding tool for expansion valve assembly of liquid pipe - Google Patents
Welding tool for expansion valve assembly of liquid pipe Download PDFInfo
- Publication number
- CN220838668U CN220838668U CN202322522071.5U CN202322522071U CN220838668U CN 220838668 U CN220838668 U CN 220838668U CN 202322522071 U CN202322522071 U CN 202322522071U CN 220838668 U CN220838668 U CN 220838668U
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- Prior art keywords
- expansion valve
- valve assembly
- liquid pipe
- welding
- fixing
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- 239000007788 liquid Substances 0.000 title claims abstract description 131
- 238000003466 welding Methods 0.000 title claims abstract description 105
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 230000000694 effects Effects 0.000 abstract description 11
- 238000001816 cooling Methods 0.000 abstract description 9
- 230000000712 assembly Effects 0.000 description 8
- 238000000429 assembly Methods 0.000 description 8
- 239000004744 fabric Substances 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 238000002791 soaking Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model provides a welding fixture for a liquid pipe expansion valve assembly, which is used for welding the liquid pipe expansion valve assembly, wherein the liquid pipe expansion valve assembly comprises a liquid pipe body, and a plurality of expansion valve assembly bodies are welded on the liquid pipe body; the expansion valve assembly body comprises a liquid inlet pipe, an expansion valve body, a liquid outlet pipe and a stop valve which are sequentially communicated; the welding fixture of the liquid pipe expansion valve component comprises: the fixing assembly is arranged in a plurality of parts; the fixed assembly comprises a first fixed part and a second fixed part, the first fixed part is used for fixing the expansion valve body, and the second fixed part is used for fixing the stop valve; the water tank is used for holding water when the welding, and first fixed part sets up the inside at the water tank. The welding tool for the liquid pipe expansion valve assembly can weld a plurality of expansion valve assembly bodies on one liquid pipe body at the same time, and has the advantages of good stability, good consistency and high efficiency of the welding mode; adopt the water tank to soak the welding, the cooling effect is good, and welding quality promotes.
Description
Technical Field
The utility model relates to the field of welding tools, in particular to a welding tool for a liquid pipe expansion valve assembly.
Background
The liquid pipe expansion valve component is one of a plurality of parts of the air conditioner, the traditional liquid pipe expansion valve component is only provided with one group of expansion valves on the liquid pipe, but the multi-split air conditioner is provided with a plurality of expansion valve components according to the requirements of customers, and the product is 1 liquid pipe with 3 groups of expansion valves.
The expansion valve welding temperature is too high and can fail, so that the welding process is soaking or wet cloth welding, most of the current wet cloth welding is wet cloth welding, a plurality of expansion valves are wrapped with wet cloth, 3 groups of expansion valve components to be welded are spliced with a liquid pipe in sequence through simple positioning block support or manual pipe supporting by staff, and then the expansion valve components are integrated through manual welding. However, the welding mode has poor stability and consistency and low efficiency, wet cloth is wrapped in the process, the cooling effect is uneven, and the staff holds up the pipe and has scalding risk to the human body.
In view of this, the present utility model has been made.
Disclosure of utility model
The utility model aims at providing a welding tool for a liquid pipe expansion valve assembly, which is used for solving the problems that in the prior art, a plurality of expansion valves are wrapped with wet cloth, 3 groups of expansion valve assemblies to be welded are spliced with the liquid pipe in sequence through simple positioning block support or manual pipe support by staff, and then are integrated through manual welding; the stability and consistency of the welding mode are poor, the efficiency is low, the wet cloth is wrapped in the process, the cooling effect is uneven, and the staff holds up the pipe and has the problem of scalding risk to the human body.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
A welding fixture for a liquid pipe expansion valve assembly, wherein the welding fixture is used for welding the liquid pipe expansion valve assembly, the liquid pipe expansion valve assembly comprises a liquid pipe body, and a plurality of expansion valve assembly bodies are welded on the liquid pipe body;
The expansion valve assembly body comprises a liquid inlet pipe, an expansion valve body, a liquid outlet pipe and a stop valve which are sequentially communicated;
the welding fixture for the liquid pipe expansion valve component comprises:
The fixing assembly is used for pre-assembling the liquid pipe body and the expansion valve assembly body together, and a plurality of fixing assemblies are arranged;
The fixed assembly comprises a first fixed part and a second fixed part, wherein the first fixed part is used for fixing the expansion valve body, and the second fixed part is used for fixing the stop valve;
the water tank is used for containing water during welding, and the first fixing part is arranged in the water tank.
According to the welding tool for the liquid pipe expansion valve assembly, the liquid pipe body and the expansion valve assembly bodies are connected together by adopting the tool, staff is not required to hold the liquid pipe body during welding, scalding of a human body caused by the staff holding the liquid pipe is avoided, the welding mode is stable, and the welding quality is improved; the water tank is adopted for soaking welding, so that the cooling effect is good, the positioning is accurate, and the welding quality is improved; a plurality of expansion valve component bodies can be welded on one liquid pipe body at the same time, so that the efficiency is high.
Further, the water tank is higher than the expansion valve body, and the water tank is lower than the second fixing portion.
This setting is convenient for the water tank submerge and makes its surface of water height submerge the expansion valve body, realizes the water tank welding that submerges, and the cooling effect is good, and the location is accurate, and welding quality promotes.
Further, the fixing assembly further comprises a positioning part, and the positioning part is used for determining the direction of the liquid inlet pipe.
This setting is convenient for confirm the direction of feed liquor pipe to be convenient for install liquid pipe expansion valve subassembly, improved welding efficiency.
Further, the positioning part comprises a positioning block, a first positioning notch is arranged on the positioning block, and the first positioning notch is matched with the liquid inlet pipe.
This setting is convenient for confirm the direction of feed liquor pipe to be convenient for install liquid pipe expansion valve subassembly, improved welding efficiency.
Further, the first fixing part is arranged to be a fixing cylinder, and the positioning block is attached to one side of the fixing cylinder.
Further, a second positioning notch is arranged on the second fixing part and is matched with the liquid outlet pipe.
This setting is convenient for confirm the direction of drain pipe to be convenient for install expansion valve subassembly body, improved welding efficiency.
Further, the welding fixture for the liquid pipe expansion valve assembly comprises a base, and the water tank and the second fixing part are all installed on the base.
This setting has improved the steadiness of liquid pipe expansion valve subassembly welding frock.
Further, a guide rod is arranged between the second fixing part and the base, and the guide rod is used for adjusting the distance between the second fixing part and the base.
This arrangement facilitates adjustment of the distance between the second fixing portion and the base.
Further, one end of the guide rod is detachably connected with the second fixing portion, and the other end of the guide rod is detachably connected with the base.
This arrangement facilitates adjustment of the distance between the second fixing portion and the base.
Further, a foot pad is arranged below the base.
This setting is convenient for protect the base of liquid pipe expansion valve subassembly welding frock, also plays the effect of damping at liquid pipe expansion valve subassembly welding frock during operation.
Compared with the prior art, the welding tool for the liquid pipe expansion valve assembly has the following beneficial effects:
1) According to the welding tool for the liquid pipe expansion valve assembly, the liquid pipe body and the expansion valve assembly bodies are connected together through the tool, staff is not required to hold the liquid pipe body during welding, scalding of human bodies caused by the staff holding the liquid pipe is avoided, stability and consistency of a welding mode are good, and welding quality is improved.
2) According to the welding tool for the liquid pipe expansion valve assembly, the water tank is adopted for soaking welding, the cooling effect is good, and the welding quality is improved.
3) According to the welding tool for the expansion valve assemblies of the liquid pipe, a plurality of fixing assemblies are arranged, and a plurality of expansion valve assembly bodies can be welded on one liquid pipe body at the same time, so that the efficiency is high.
Drawings
Fig. 1 is a schematic perspective view of a welding tool for a liquid pipe expansion valve assembly according to an embodiment of the present utility model;
Fig. 2 is a schematic perspective view of a welded liquid pipe expansion valve assembly of a welding tool for a liquid pipe expansion valve assembly according to an embodiment of the present utility model;
Fig. 3 is a schematic diagram of an assembly structure of a welding tool for a liquid pipe expansion valve assembly and the liquid pipe expansion valve assembly according to an embodiment of the utility model.
Reference numerals illustrate:
1. Welding a tool; 11. a fixing assembly; 111. a first fixing portion; 1111. a fixed cylinder; 112. a second fixing portion; 1121. a fixed block; 1122. a second positioning notch; 113. a positioning part; 1131. a positioning block; 1132. a first positioning notch; 114. a guide rod; 12. a water tank; 13. a base; 14. foot pads; 2. a liquid pipe expansion valve assembly; 21. a liquid pipe body; 22. an expansion valve assembly body; 221. a liquid inlet pipe; 222. an expansion valve body; 223. a liquid outlet pipe; 224. a stop valve; 2241. a fixing plate; 2242. connecting the copper nut; 2243. and adjusting the copper nut.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The description of "first," "second," etc. in embodiments of the present utility model is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Example 1
As shown in fig. 1 to 3, the present embodiment proposes a liquid pipe expansion valve assembly welding fixture 1, the liquid pipe expansion valve assembly welding fixture 1 is used for welding a liquid pipe expansion valve assembly 2,
As shown in fig. 2, the liquid pipe expansion valve assembly 2 includes a liquid pipe body 21, and a plurality of expansion valve assembly bodies 22 are welded to the liquid pipe body 21;
As shown in fig. 2, the expansion valve assembly body 22 includes a liquid inlet pipe 221, an expansion valve body 222, a liquid outlet pipe 223 and a stop valve 224, which are sequentially communicated; the liquid refrigerant flows into the expansion valve body 222 from the liquid inlet pipe 221, throttles and depressurizes through the expansion valve body 222, and then is conveyed to the stop valve 224 from the liquid outlet pipe 223, and the stop valve 224 is used for being connected with an inner connecting pipe and an outer connecting pipe of the air conditioner.
Specifically, as shown in fig. 2, the stop valve 224 includes a fixing plate 2241, a connection pipe copper nut 2242, and an adjustment port copper nut 2243. The connecting pipe copper nut 2242 is arranged on the connecting pipe, and the connecting pipe is used for connecting with the connecting pipe of the internal machine and the external machine; the adjusting port copper nut 2243 is installed at the adjusting port, and a valve core is arranged in the adjusting port and used for controlling the opening of the stop valve 224; the fixing plate 2241 is used to fix the shut-off valve 224 by screws.
As shown in fig. 1, the welding fixture 1 for a liquid pipe expansion valve assembly includes:
A fixing assembly 11, wherein the fixing assembly 11 is used for preassembling the liquid pipe body 21 and the expansion valve assembly body 22 together, and a plurality of fixing assemblies 11 are arranged;
the fixing assembly 11 includes a first fixing portion 111 and a second fixing portion 112, the first fixing portion 111 is used for fixing the expansion valve body 222, and the second fixing portion 112 is used for fixing the stop valve 224;
A water tank 12, the water tank 12 is used for containing water during welding, and the first fixing part 111 is arranged inside the water tank 12.
When the welding tool 1 for the expansion valve assembly of the liquid pipe is used, the fixing assembly 11 is adopted to connect the liquid pipe body 21 with the expansion valve assembly bodies 22, and then water is injected into the water tank 12, so that the expansion valve bodies 22 are just immersed in the water surface, namely, the preassembling is finished; after preassembling in this manner, welding may be performed to weld the liquid pipe body 21 and the plurality of expansion valve assembly bodies 22 into an integrated liquid pipe expansion valve assembly 2 by manual flame brazing by a welder.
According to the welding tool 1 for the liquid pipe expansion valve assembly, staff is not required to hold the liquid pipe expansion valve assembly during welding, scalding of a human body caused by the staff holding the liquid pipe is avoided, stability and consistency of a welding mode are good, and welding quality is improved; the water tank 12 is adopted for soaking welding, so that the cooling effect is good, the positioning is accurate, and the welding quality is improved; a plurality of expansion valve component bodies 22 can be welded on one liquid pipe body 21 at the same time, so that the efficiency is high.
Specifically, the number of the expansion valve assembly bodies 22 welded to the liquid pipe body 21 is not limited.
Two expansion valve assembly bodies 22 may be welded to the liquid pipe body 21, three expansion valve assembly bodies 22 may be welded to the liquid pipe body 21, and four expansion valve assembly bodies 22 may be welded to the liquid pipe body 21, but the present invention is not limited thereto.
More specifically, in the present embodiment, as shown in fig. 2 and 3, three expansion valve assembly bodies 22 are welded to the liquid pipe body 21.
Specifically, the number of the fixing assemblies 11 is greater than or equal to the number of the expansion valve assembly bodies 22.
More specifically, in the present embodiment, as shown in fig. 2 and 3, the number of the fixing assemblies 11 is equal to the number of the expansion valve assembly bodies 22.
Specifically, as shown in fig. 1, the height of the water tank 12 is higher than the expansion valve body 222, and the height of the water tank 12 is lower than the second fixing portion 112.
This setting is convenient for water tank 12 submerge and makes its surface of water height submerge and crosses expansion valve body 222, realizes water tank 12 submerge welding, and the cooling effect is good, fixes a position accurately, and welding quality promotes.
Specifically, as shown in fig. 1, the fixing assembly 11 further includes a positioning portion 113, and the positioning portion 113 is configured to determine a direction of the liquid inlet pipe 221.
This arrangement facilitates determination of the direction of the liquid inlet pipe 221, thereby facilitating installation of the liquid pipe expansion valve assembly 2, and improving welding efficiency.
Specifically, as shown in fig. 1, the positioning portion 113 includes a positioning block 1131, a first positioning notch 1132 is disposed on the positioning block 1131, and the first positioning notch 1132 is matched with the liquid inlet pipe 221.
This arrangement facilitates determination of the direction of the liquid inlet pipe 221, thereby facilitating installation of the liquid pipe expansion valve assembly 2, and improving welding efficiency.
Specifically, as shown in fig. 1, the first fixing portion 111 is configured as a fixing cylinder 1111, and the positioning block 1131 is disposed on one side of the fixing cylinder 1111 in a fitting manner.
A mounting cavity is provided in the stationary cylinder 1111, and is matched with the expansion valve body 222.
Specifically, the shape of the first positioning notch 1132 is not specifically limited.
The shape of the first positioning notch 1132 may be set to be V-shaped, the shape of the first positioning notch 1132 may also be set to be U-shaped, and the shape of the first positioning notch 1132 may also be set to be distance-shaped, not limited thereto.
More specifically, as shown in fig. 1 and 3, in the present embodiment, the first positioning notch 1132 is provided in a V shape.
This arrangement is convenient for the first positioning notch 1132 to cooperate with the liquid inlet pipe 221, so that the liquid inlet pipe 221 does not move randomly in the V-shaped first positioning notch 1132, and the stability of the cooperation of the first positioning notch 1132 and the liquid inlet pipe 221 is improved.
Specifically, as shown in fig. 1, a second positioning notch 1122 is provided on the second fixing portion 112, and the second positioning notch 1122 is matched with the liquid outlet pipe 223.
This arrangement facilitates determination of the direction of the liquid outlet pipe 223, thereby facilitating installation of the liquid pipe expansion valve assembly 2, and improving welding efficiency.
Specifically, the second fixing portion 112 is configured as a fixing block 1121, and the second positioning notch 1122 is disposed on the fixing block 1121.
This setting has improved the installation stability of liquid pipe expansion valve subassembly 2 and liquid pipe expansion valve subassembly welding frock 1 on the one hand, and on the other hand is convenient for confirm the direction of drain pipe 223 to be convenient for install liquid pipe expansion valve subassembly 2, improved welding efficiency.
A mounting groove is provided in the fixed block 1121, and the mounting groove is matched with the stop valve 224.
Specifically, as shown in fig. 1 and 3, the welding fixture 1 for a liquid pipe expansion valve assembly includes a base 13, and the water tank 12 and the second fixing portion 112 are both installed on the base 13.
This arrangement improves the stability of the liquid pipe expansion valve assembly welding fixture 1.
Specifically, as shown in fig. 1, a guide rod 114 is disposed between the second fixing portion 112 and the base 13, and the guide rod 114 is used to adjust the distance between the second fixing portion 112 and the base 13.
This arrangement facilitates adjustment of the distance between the second fixing portion 112 and the base 13.
Specifically, as shown in fig. 1, one end of the guide rod 114 is detachably connected to the second fixing portion 112, and the other end of the guide rod 114 is detachably connected to the base 13.
This arrangement facilitates adjustment of the distance between the second fixing portion 112 and the base 13.
Specifically, as shown in fig. 1 and 3, a foot pad 14 is installed under the base 13.
This setting is convenient for protect liquid pipe expansion valve assembly welding frock 1's base 13, also plays the effect of damping at liquid pipe expansion valve assembly welding frock 1 during operation.
For the welding fixture 1 for the expansion valve assembly of the liquid pipe, other relevant components such as the water filling port are included in addition to the fixing assembly 11, the water tank 12, the base 13 and the foot pad 14, and in view of the fact that the specific structure and specific assembly relationship of the relevant components are all the prior art, the description thereof will not be repeated here.
Compared with the prior art, the welding tool for the liquid pipe expansion valve assembly has the following beneficial effects:
1) The embodiment a liquid pipe expansion valve subassembly welding frock, need not the staff and hold up during the welding, avoid the staff to hold up the pipe and cause the scald to the human body, welding mode stability, uniformity are better, welding quality promotes.
2) The welding fixture for the liquid pipe expansion valve assembly adopts the water tank 12 for soaking welding, has good cooling effect and improves welding quality.
3) According to the welding tool for the liquid pipe expansion valve assembly, the fixing assemblies 11 are arranged in a plurality, and a plurality of expansion valve assembly bodies 22 can be welded on one liquid pipe body 21 at the same time, so that the welding efficiency is high.
Although the present utility model is disclosed above, the present utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and the scope of the utility model should be assessed accordingly to that of the appended claims.
Claims (10)
1. The welding tool for the liquid pipe expansion valve assembly is characterized in that the welding tool (1) for the liquid pipe expansion valve assembly is used for welding the liquid pipe expansion valve assembly (2), the liquid pipe expansion valve assembly (2) comprises a liquid pipe body (21), and a plurality of expansion valve assembly bodies (22) are welded on the liquid pipe body (21);
the expansion valve assembly body (22) comprises a liquid inlet pipe (221), an expansion valve body (222), a liquid outlet pipe (223) and a stop valve (224) which are sequentially communicated;
The welding tool (1) for the liquid pipe expansion valve assembly comprises:
-a fixing assembly (11), the fixing assembly (11) being used for preassembling a liquid tube body (21) and an expansion valve assembly body (22), the fixing assembly (11) being provided in plurality;
The fixing assembly (11) comprises a first fixing part (111) and a second fixing part (112), wherein the first fixing part (111) is used for fixing the expansion valve body (222), and the second fixing part (112) is used for fixing the stop valve (224);
-a water tank (12), the water tank (12) being adapted to contain water during welding, the first fixing portion (111) being arranged inside the water tank (12).
2. The welding fixture for the expansion valve assembly of claim 1, wherein the water tank (12) is higher than the expansion valve body (222), and the water tank (12) is lower than the second fixing portion (112).
3. The welding fixture for the expansion valve assembly of claim 1, wherein the fixing assembly (11) further comprises a positioning portion (113), and the positioning portion (113) is used for determining the direction of the liquid inlet pipe (221).
4. A welding fixture for a liquid pipe expansion valve assembly according to claim 3, wherein the positioning part (113) comprises a positioning block (1131), a first positioning notch (1132) is arranged on the positioning block (1131), and the first positioning notch (1132) is matched with the liquid inlet pipe (221).
5. The welding fixture for the expansion valve assembly of the liquid pipe according to claim 4, wherein the first fixing portion (111) is a fixing cylinder (1111), and the positioning block (1131) is arranged on one side of the fixing cylinder (1111) in a fitting manner.
6. The welding fixture for the expansion valve assembly of claim 4, wherein a second positioning notch (1122) is provided on the second fixing portion (112), and the second positioning notch (1122) is matched with the liquid outlet pipe (223).
7. The welding fixture for the liquid pipe expansion valve assembly according to claim 1, wherein the welding fixture (1) for the liquid pipe expansion valve assembly comprises a base (13), and the water tank (12) and the second fixing part (112) are both installed on the base (13).
8. A welding fixture for a liquid tube expansion valve assembly according to claim 7, characterized in that a guide rod (114) is arranged between the second fixing part (112) and the base (13), said guide rod (114) being used for adjusting the distance between the second fixing part (112) and the base (13).
9. The welding fixture for the expansion valve assembly of the liquid pipe according to claim 8, wherein one end of the guide rod (114) is detachably connected with the second fixing portion (112), and the other end of the guide rod (114) is detachably connected with the base (13).
10. A welding fixture for a liquid tube expansion valve assembly according to claim 7, characterized in that a foot pad (14) is mounted under the base (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322522071.5U CN220838668U (en) | 2023-09-18 | 2023-09-18 | Welding tool for expansion valve assembly of liquid pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322522071.5U CN220838668U (en) | 2023-09-18 | 2023-09-18 | Welding tool for expansion valve assembly of liquid pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220838668U true CN220838668U (en) | 2024-04-26 |
Family
ID=90781691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322522071.5U Active CN220838668U (en) | 2023-09-18 | 2023-09-18 | Welding tool for expansion valve assembly of liquid pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220838668U (en) |
-
2023
- 2023-09-18 CN CN202322522071.5U patent/CN220838668U/en active Active
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