CN208840758U - A kind of nitrogen charging tooling - Google Patents
A kind of nitrogen charging tooling Download PDFInfo
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- CN208840758U CN208840758U CN201821670026.7U CN201821670026U CN208840758U CN 208840758 U CN208840758 U CN 208840758U CN 201821670026 U CN201821670026 U CN 201821670026U CN 208840758 U CN208840758 U CN 208840758U
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- branch
- blow vent
- main channel
- nitrogen
- nitrogen charging
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Abstract
The utility model provides a kind of nitrogen charging tooling, including main channel road, and the main channel road is equipped with the first branch and second branch；The first branch is communicated with the first blow vent, first blow vent from elastic material be made and with outdoor unit a shut-off valve；The second branch is communicated with the second blow vent, second blow vent from elastic material be made and with outdoor unit another shut-off valve；The main channel is suitable for being passed through nitrogen, and by first blow vent and second blow vent simultaneously to two valve supplying nitrogens of outdoor unit.Main channel road is equipped with the first branch and second branch in the utility model, and when main channel road is passed through nitrogen, the first branch and second branch can pour nitrogen to two shut-off valves of outdoor unit simultaneously, to play the role of protection in copper pipe welding.
Description
Technical field
The utility model relates to welding tooling field, in particular to a kind of nitrogen charging tooling.
Background technique
The copper pipe of outdoor unit must be protected when constructing welding by the way of being filled with nitrogen.This is because lacking stream
The protection of dynamic nitrogen can make the inner wall of copper pipe generate oxidation film.The generation of oxidation film will lead to air-conditioning system and occur event in use
Barrier such as brings abnormal delivery temperature, compressor card cylinder, cannot freeze or cannot heat at many quality problems.
At present when nitrogen charging is welded, staff holds nitrogen pipeline or nozzle, by the shut-off valve of the alignment air-conditioning of nitrogen mouth out
Nitrogen is filled with by port.There are two shut-off valves for air-conditioning system tool: discharge line valve (low pressure valve) and suction line valve (high pressure valve).
Using the prior art nitrogen charging mode once can only the port to air-conditioner stop valve carry out nitrogen charging, process is cumbersome, time-consuming to take
Power has that working efficiency is lower.
Utility model content
In view of this, the utility model is directed to nitrogen charging tooling, it can only be to the port of an air-conditioner stop valve with solution
Nitrogen charging is carried out, so as to cause ineffective problem.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of nitrogen charging tooling, including main channel road, the main channel road are equipped with the first branch and second branch；It is described
The first branch is communicated with the first blow vent, first blow vent from elastic material be made and with outdoor unit a cut-off
Valve；The second branch is communicated with the second blow vent, second blow vent from elastic material be made and with outdoor unit it is another
One shut-off valve；The main channel road is suitable for being passed through nitrogen, and same by first blow vent and second blow vent
When to outdoor unit two shut-off valve supplying nitrogens.
Further, one end that first blow vent is connected to the first branch is equipped with the first gasket, first pad
Piece is equipped with perforative first air hole.
Further, one end that second blow vent is connected to the second branch is equipped with the second gasket, second pad
Piece is equipped with perforative second air hole.
Further, first gasket and second gasket are made of stainless steel material.
Further, the nitrogen charging tooling further includes pedestal, and the chassis interior is equipped with the main channel road, described first
Branch, first blow vent, the second branch and second blow vent.
Further, the pedestal is made of elastic material.
Further, the pedestal is equipped with the air inlet pipe being connected to the main channel road.
Further, the first branch and the second branch are parallel to each other and are respectively perpendicular to the main channel road.
Further, first blow vent is equipped with the first import on the base；Second blow vent is at the bottom
Seat is equipped with the second import.
Further, first import is logical to the vertical range on the main channel road and second import to the master
The length ratio of the vertical range of air pipe is 1:2.
Compared with the existing technology, the utility model has the advantage that
(1) main channel road is equipped with the first branch and second branch in the utility model, is passed through nitrogen on main channel road
When, the first branch and second branch can pour nitrogen to two shut-off valves of outdoor unit simultaneously, thus from copper pipe welding
To the effect of protection.
(2) the first blow vent and the second blow vent are all made of elastic material in the utility model, thus the first blow vent
It can be elastically engaged the size of two shut-off valve of outdoor unit with the second blow vent, play the role of close-connected.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is a kind of a kind of schematic internal view of embodiment of nitrogen charging tooling of the utility model；
Fig. 2 is a kind of a kind of structural schematic diagram of embodiment of nitrogen charging tooling of the utility model.
Digital representation in figure:
1- main channel road, the 2- first branch, 3- second branch, the first blow vent of 4-, the second blow vent of 5-, 6- pedestal；
11- air inlet pipe, the first gasket of 41-, the first import of 42-, the second gasket of 51-, the second import of 52-.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.In addition, the term " length " being previously mentioned in the embodiments of the present invention, " width ", " thickness ", "upper",
The orientation or position of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside"
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be construed as a limitation of the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment 1
As shown in Figure 1, 2, a kind of nitrogen charging tooling, including main channel road 1, main channel road 1 are equipped with the first branch 2 and the
Two branches 3.
The first branch 2 is communicated with the first blow vent 4, the first blow vent 4 from elastic material be made and with outdoor unit one
A shut-off valve (low pressure valve), specifically, the first blow vent 4 are circle, and the diameter of the first blow vent 4 is slightly less than engaged therewith section
Only valve outer diameter, when the first blow vent 4 is mounted on the one of shut-off valve of outdoor unit (low pressure valve), the first blow vent 4 it is straight
Diameter can elasticity become larger, thus be used to be fitted close the one of shut-off valve of outdoor unit (low pressure valve)；Second branch 3 is communicated with
Two blow vents 5, the second blow vent 5 from elastic material be made and with outdoor unit another shut-off valve (high pressure valve), specifically
Ground, the second blow vent 5 are circle, and the diameter of the second blow vent 5 is slightly less than shut-off valve outer diameter engaged therewith, leads to by second
When port 5 is mounted on another shut-off valve (high pressure valve) of outdoor unit, the diameter of the second blow vent 5 can elasticity become larger, thus with
To be fitted close another shut-off valve (high pressure valve) of outdoor unit.
In the present embodiment, one end that the first blow vent 4 is connected to the first branch 2 is equipped with the first gasket 41, the first gasket 41
Equipped with perforative first air hole, specifically, the diameter of the first blow vent 4 is greater than the diameter of the first branch 2, the first blow vent 4
The one end being connected to the first branch 2 is equipped with the first gasket 41, i.e. the bottom end of the first blow vent 4 is equipped with the first gasket 41, meanwhile, the
One gasket 41 is equipped with the first air hole for entering the first blow vent 4 for nitrogen in the first branch 2.
In the present embodiment, one end that the second blow vent 5 is connected to second branch 3 is equipped with the second gasket 51, the second gasket 51
Equipped with perforative second air hole, specifically, the diameter of the second blow vent 5 is greater than the diameter of second branch 3, the second blow vent 5
The one end being connected to second branch 3 is equipped with the second gasket 51, i.e. the bottom end of the second blow vent 5 is equipped with the second gasket 51, meanwhile, the
Two gaskets 51 are equipped with the second air hole for entering the second blow vent 5 for nitrogen in second branch 3.
In the present embodiment, the first gasket 41 and the second gasket 51 are made of stainless steel material, wherein stainless steel refers to resistance to sky
The steel of the chemical etchings dielectric corrosion such as the weak corrosive medium such as gas, steam, water and acid, alkali, salt, as a result, the first gasket 41 and
Two gaskets 51 play the role of abutting outdoor unit shut-off valve, limit it and continue to move to.
In the present embodiment, elastic material is rubber, and therefore, the first blow vent 4 and the second blow vent 5 are all rubber material system
At rubber is the high elastic polymer material with reversible deformation, high resilience at room temperature, under the external force of very little
Larger deformation can be generated, resilient after external force is removed, so two shut-off valves of outdoor unit can be cooperated.
In the present embodiment, since the caliber of two shut-off valves of outdoor unit is different, the first blow vent 4 and second is logical
The diameter of port 5 be also it is different, specifically, cooperate outdoor unit high pressure valve the second blow vent 5 diameter be less than cooperation room
The diameter of first blow vent 4 of outer machine low pressure valve, optionally, the radius of the second blow vent 4 is 9.5mm, the half of the first blow vent 5
Diameter is 13.5mm.
In the present embodiment, after being passed through nitrogen to main channel, nitrogen can be shunted by the first branch 2 and second branch 3,
To promote the first blow vent 4 and the second blow vent 5 simultaneously to two valve supplying nitrogens of outdoor unit, to be welded in copper pipe
When play the role of protection.
Embodiment 2
As shown in Figure 1, 2, compared with above-described embodiment, nitrogen charging tooling further includes pedestal 6 in the present embodiment, inside pedestal 6
Equipped with main channel road 1, the first branch 2, the first blow vent 4, second branch 3 and the second blow vent 5.
Specifically, pedestal 6 is made of elastic material, and optionally, elastic material is rubber, as shown in Figure 1, pedestal 6 is equipped with
The air inlet pipe 11 being connected to main channel road 1 can be passed through nitrogen to main channel road 1 by air inlet pipe 11 as a result, to promote
Shunt nitrogen in the first branch 2 and second branch 3.
In the present embodiment, in main channel road 1, the first branch 2, the first blow vent 4, second branch 3 and the second blow vent 5
When in pedestal 6, the first branch 2 and second branch 3 are parallel to each other and are respectively perpendicular to main channel road 1；Pedestal 6 is equipped with
The first import 42 communicated with the first blow vent 4；Pedestal 6 is equipped with the second import 52 communicated with the second blow vent 5, as a result,
The import on main channel road 1 is shifted to install with the first import 42 and the second import 52, convenient for being filled with nitrogen.
In the present embodiment, main channel road 1 is arrived in the vertical range of the first import 42 to main channel road 1 and the second import 52
Vertical range length ratio be 1:2.Not point-blank due to two shut-off valves on air-conditioning, the two is staggered a spacing
From, therefore the vertical range difference of the first import 42 and the second import 52 relative to main channel road 1 is just set, though length ratio
Be so 1:2, but it can also be other ratios, according to actual needs depending on.
When the present embodiment is in use, first by 5 sets of the second blow vent on low pressure valve and 4 sets of the first blow vent is in height
In pressure valve, it is continually fed into nitrogen then to air inlet pipe 11, nitrogen can enter main channel road 1 and along in main channel road 1
Wall is flowed, and when nitrogen passes through second branch 3, a part of nitrogen flows to the second blow vent 5 by second branch 3, finally
It injects in high pressure valve；Another part nitrogen will continue to flow along main channel road 1, when this part nitrogen flow to the first branch
When 2, remaining nitrogen flows to the first blow vent 4 by the first branch 2, final to inject in low pressure valve, as a result, 2 He of the first branch
Second branch 3 pours nitrogen to two shut-off valves of outdoor unit simultaneously, to play the role of protection in copper pipe welding.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of nitrogen charging tooling, which is characterized in that including main channel road (1), the main channel road (1) is equipped with the first branch
(2) and second branch (3)；The first branch (2) is communicated with the first blow vent (4), and first blow vent (4) is by elastic material
Material is made and cooperates a shut-off valve of outdoor unit；The second branch (3) is communicated with the second blow vent (5), and described second is logical
Port (5) from elastic material be made and with outdoor unit another shut-off valve；The main channel road (1) is suitable for being passed through nitrogen
Gas, and by first blow vent (4) and second blow vent (5) simultaneously to two shut-off valve delivery of nitrogen of outdoor unit
Gas.
2. nitrogen charging tooling according to claim 1, which is characterized in that first blow vent (4) and the first branch
(2) one end being connected to is equipped with the first gasket (41), and first gasket (41) is equipped with perforative first air hole.
3. nitrogen charging tooling according to claim 2, which is characterized in that second blow vent (5) and the second branch
(3) one end being connected to is equipped with the second gasket (51), and second gasket (51) is equipped with perforative second air hole.
4. nitrogen charging tooling according to claim 3, which is characterized in that first gasket (41) and second gasket
(51) it is made of stainless steel material.
5. nitrogen charging tooling according to any one of claim 1 to 4, which is characterized in that the nitrogen charging tooling further includes bottom
Seat (6), be equipped with inside the pedestal (6) the main channel road (1), the first branch (2), first blow vent (4),
The second branch (3) and second blow vent (5).
6. nitrogen charging tooling according to claim 5, which is characterized in that the pedestal (6) is made of elastic material.
7. nitrogen charging tooling according to claim 6, which is characterized in that the pedestal (6) is equipped with and the main channel road
(1) air inlet pipe (11) being connected to.
8. nitrogen charging tooling according to claim 5, which is characterized in that the first branch (2) and the second branch (3)
It is parallel to each other and is respectively perpendicular to the main channel road (1).
9. nitrogen charging tooling according to claim 8, which is characterized in that the pedestal (6) is equipped with and first ventilation
The first import (42) that mouth (4) communicates；The pedestal (6) is equipped with the second import communicated with second blow vent (5)
(52)。
10. nitrogen charging tooling according to claim 9, which is characterized in that first import (42) arrives the main channel
The length ratio that the vertical range of the main channel road (1) is arrived in the vertical range on road (1) and second import (52) is 1:2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821670026.7U CN208840758U (en) | 2018-10-15 | 2018-10-15 | A kind of nitrogen charging tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821670026.7U CN208840758U (en) | 2018-10-15 | 2018-10-15 | A kind of nitrogen charging tooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208840758U true CN208840758U (en) | 2019-05-10 |
Family
ID=66375584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821670026.7U Active CN208840758U (en) | 2018-10-15 | 2018-10-15 | A kind of nitrogen charging tooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208840758U (en) |
-
2018
- 2018-10-15 CN CN201821670026.7U patent/CN208840758U/en active Active
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