CN203282055U - Nitrogen charging tool and air conditioner welding tool with same - Google Patents
Nitrogen charging tool and air conditioner welding tool with same Download PDFInfo
- Publication number
- CN203282055U CN203282055U CN2013202145538U CN201320214553U CN203282055U CN 203282055 U CN203282055 U CN 203282055U CN 2013202145538 U CN2013202145538 U CN 2013202145538U CN 201320214553 U CN201320214553 U CN 201320214553U CN 203282055 U CN203282055 U CN 203282055U
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- China
- Prior art keywords
- stop valve
- dop
- lower dop
- nitrogen
- handle
- 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.)
- Expired - Lifetime
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 93
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 46
- 238000003466 welding Methods 0.000 title claims abstract description 22
- 238000004378 air conditioning Methods 0.000 claims description 18
- 239000007789 gas Substances 0.000 claims description 12
- 238000005452 bending Methods 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 3
- 229910001873 dinitrogen Inorganic materials 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 15
- 101150097115 dop-3 gene Proteins 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses a nitrogen charging tool, which is applied to the joint connection of nitrogen charging welding, and comprises an inflation pipe communicated with a nitrogen gas source, wherein the end part of the inflation pipe is connected with a chuck component which is quickly connected and communicated with a stop valve of a welding inflation pipeline; the clamping head assembly comprises an upper clamping head, an upper handle, a lower clamping head and a lower handle, the upper clamping head is rotatably connected to the lower clamping head through a pin shaft, the upper handle is arranged at the rear end part of the upper clamping head, the lower handle is arranged at the rear end part of the lower clamping head, and a spring which is convenient for the upper and lower clamping heads to be clamped on the stop valve is connected between the front end parts of the upper and lower clamping heads; the upper chuck is provided with a conical opening matched with the inflation opening of the stop valve, and an inflation hole communicated with an inflation pipe correspondingly penetrates through the conical opening of the upper chuck; and the lower chuck is provided with a yielding groove matched with the stop valve and a step-shaped yielding opening. The utility model discloses still disclose an air conditioner welding frock that has above-mentioned nitrogen instrument of filling.
Description
[technical field]
The utility model relates to the air-conditioning nitrogen instrument that fills in when welding, relate in particular to a kind of fill the nitrogen instrument and have this fill the air-conditioning welding tooling of nitrogen instrument.
[background technology]
At present, when the cross valve group of air-conditioning or capillary module welding process, must carry out nitrogen filled protection, to prevent the inner oxide skin that produces of pipe group.Existing air-conditioning adopts the nitrogen mode of filling of filling the welding of nitrogen frock to be: general first assembling bent angle charge valve on the valve of stop valve re-uses snap joint and docks with the bent angle charge valve after connecting nitrogen tube; This connected mode causes while filling the nitrogen welding at every turn, all need to assemble a bent angle charge valve on the stop valve valve of each air-conditioning, cause staff labor intensity large, and need the bent angle charge valve to connect together with stop valve and transport the rear enforcement that is used for other welding procedures, need standby a large amount of bent angle charge valve, cause the turnover of bent angle charge valve to have difficulties, production cost is larger, has the hidden danger that causes not in time off-production because of transhipment.
[utility model content]
It is a kind of easy to use that the utility model provides, and reduced transhipment cycle and the usage quantity of bent angle inflation, not only can guarantee to fill the nitrogen effect but also can reach the nitrogen instrument that fills that personnel reduction and enlargement reduce costs and have this to fill the air-conditioning welding tooling of nitrogen instrument.
In order to realize goal of the invention of the present utility model, the technical scheme of employing is:
A kind of nitrogen instrument that fills, be applied to fill the joint connection that nitrogen welds, and comprises the gas tube that is communicated with the nitrogen source of the gas, and the gas tube end is connected with the dop assembly that is connected fast perforation with the stop valve that welds loading line; Described dop assembly comprises upper chuck, upper handle, lower dop and lower handle, upper chuck is connected on lower dop by bearing pin is rotating, upper handle is installed on the rearward end of upper chuck, lower handle is installed on the rearward end of lower dop, is connected with between the leading section of upper and lower dop to be convenient to upper and lower dop and to be clamped in spring on stop valve; Described upper chuck is provided with the cone mouth that coordinates with the stop valve inflation inlet, and the cone mouth place correspondence of upper chuck is through with the air-filled pore that is communicated with gas tube; The upside of described lower dop is provided with the slot to make way that coordinates with stop valve and the step-like mouth of stepping down.
A kind of nitrogen instrument that fills as above, the rearward end of described lower dop is provided with the groove of an opening, and the rearward end downside of upper chuck is provided with a rotatable interior switch block of groove that snaps in lower dop; The switch block of upper chuck is provided with shaft hole, and lower dop is provided with the through hole corresponding with the shaft hole on switch block, upper chuck by bolt pass the through hole on lower dop, the shaft hole on switch block is installed on lower dop.
A kind of nitrogen instrument that fills as above, described spring is fixed on upper and lower dop by screw, is respectively equipped with on upper and lower dop and is convenient to the screw hole that screw is installed.
A kind of nitrogen instrument that fills as above, the leading section of described lower dop also are provided with is convenient to the U-shaped slot to make way of with stop valve, stepping down and coordinating, and at the U-shaped slot to make way downside of lower dop, is provided with the ladder mouth of with stop valve, further stepping down and coordinating.
A kind of nitrogen instrument that fills as above, described upper and lower handle end all adopts the structure of outside bending, is convenient to control the clamping of upper and lower dop and unclasp.
A kind of air-conditioning welding tooling, described air-conditioning welding tooling have the above-mentioned nitrogen instrument that fills.
The beneficial effects of the utility model are:
existing air-conditioning fills in the nitrogen welding process, need to connect the bent angle charge valve on stop valve, the utility model cancellation air-conditioning fills bent angle charge valve and the self-sealing joint in the nitrogen welding process, utilize upper and lower dop and spring and stop valve inflation inlet quick-fit, reach with stop valve good air-tightness is arranged, just can be to the quick inflated with nitrogen of the pipeline in air-conditioning, reach the good nitrogen effect of filling, need the shape size of the stop valve that operates irregular in filling the nitrogen process because of the welding employee again, and be pipelining, should guarantee to fill the nitrogen instrument is difficult for coming off and guaranteeing that again employee's one-handed performance is convenient from stop valve, assurance is filled the nitrogen instrument and is not in use had any impurity and enter the welding pipe-line system, so for difform stop valve, small-sized stop valve particularly, only need to be provided with at the upside of lower dop the slot to make way that coordinates with stop valve and the step-like mouth of stepping down, can guarantee small-sized stop valve and upper, the bubble-tight cooperation of lower dop, and for large-scale stop valve, also need to establish the U-shaped slot to make way at the leading section of lower dop, U-shaped slot to make way downside at lower dop is provided with the ladder mouth of with stop valve, further stepping down and coordinating, so just can reach large-scale stop valve and upper, the bubble-tight cooperation of lower dop.
[description of drawings]
Fig. 1 is the main TV structure schematic diagram of the utility model upper chuck;
Fig. 2 is the plan structure schematic diagram of Fig. 1;
Fig. 3 is the A-A sectional structure schematic diagram of Fig. 2;
Fig. 4 is the main TV structure schematic diagram of lower dop in the utility model embodiment one;
Fig. 5 is the B-B sectional structure schematic diagram of Fig. 4.
Fig. 6 is the left TV structure schematic diagram of Fig. 4;
Fig. 7 is the plan structure schematic diagram of Fig. 4;
Fig. 8 is the C-C sectional structure schematic diagram of Fig. 7;
Fig. 9 is that the master of the utility model embodiment one looks assembly structure figure;
Figure 10 is the right TV structure schematic diagram of Fig. 9;
Figure 11 is the structural representation of looking up of Fig. 9;
Figure 12 is the main TV structure schematic diagram of lower dop in the utility model embodiment two;
Figure 13 is the D-D sectional structure schematic diagram of Figure 12.
Figure 14 is the plan structure schematic diagram of Figure 12;
Figure 15 is the E-E sectional structure schematic diagram of Figure 14;
Figure 16 is that the master of the utility model embodiment two looks assembly structure figure;
Figure 17 is the left TV structure schematic diagram of Figure 16;
Figure 18 is the plan structure schematic diagram of Figure 16.
[specific embodiment]
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 one
a kind of nitrogen instrument that fills, being mainly used in the joint that air-conditioning duct fills in the nitrogen welding process connects, as shown in Figure 1 to 11, comprise the gas tube (not shown) that is communicated with the nitrogen source of the gas, the gas tube end is connected with the dop assembly that is connected fast perforation with the stop valve that welds loading line, described dop assembly comprises upper chuck 1, upper handle 2, lower dop 3 and lower handle 4, upper chuck 1 is connected on lower dop 3 by bearing pin is rotating, in concrete enforcement, the rearward end of lower dop 3 is provided with the groove 30 of an opening, the rearward end downside of upper chuck 1 is provided with a rotatable interior switch block 10 of groove 30 that snaps in lower dop 3, be provided with shaft hole 100 on the switch block 10 of upper chuck 1, lower dop 3 is provided with the through hole 300 corresponding with the shaft hole 100 on switch block 10, upper chuck 1 passes through hole 300 on lower dop 3 by bolt 5, shaft hole 100 on switch block 10 is installed on lower dop 3, be connected with between the leading section of upper and lower dop (1,3) and be convenient to upper and lower dop (1,3) and be clamped in spring 6 on stop valve, spring 6 is fixed on upper and lower dop (1,3) by screw 7, is respectively equipped with on upper and lower dop (1,3) and is convenient to the screw hole 70 that screw 7 is installed, upper handle 2 is installed on the rearward end of upper chuck 1, lower handle 4 is installed on the rearward end of lower dop 3, upper and lower handle (2,4) end all adopts the structure of outside bending, by holding with a firm grip or loosening upper and lower handle (2,4), is convenient to unclasping and clamping of upper and lower dop (1,3).
Continue Fig. 1 to shown in Figure 11, be provided with the cone mouth 11 that coordinates with the stop valve inflation inlet on upper chuck 1, cone mouth 11 place's correspondences of upper chuck are through with the air-filled pore 12 that is communicated with gas tube; Be provided with the slot to make way 31 that coordinates with stop valve and step-like step down mouthfuls 32 at the upside of lower dop 3, slot to make way 31 and the mouth 32 of stepping down carry out this structure setting mainly for the small scaled stop valve with in air-conditioning duct coordinates, certainly, the structure of slot to make way 31 and the mouth 32 of stepping down also is applicable to the large-scale stop valve in air-conditioning duct.
Embodiment two
As extremely shown in Figure 180 in Figure 12, be the structure of lower dop with the difference of embodiment one, in embodiment two, the leading section of lower dop 3 also is provided with and is convenient to the U-shaped slot to make way 33 of with stop valve, stepping down and coordinating, U-shaped slot to make way 33 downsides at lower dop 3 are provided with the ladder mouth 34 of with stop valve, further stepping down and coordinating, and the U-shaped slot to make way 33 on lower dop 3 and ladder mouth 34 make this fixture be more suitable for the large-scale stop valve in air-conditioning duct to coordinate.
The utility model is for solving the air-tightness of nitrogen instrument and the problem of stability in use of filling, stop valve (1/8,1/4,3/8,1/2,5/8,3/4) for dissimilar size, be divided into two types (for the difference of small scaled stop valve and large-scale stop valve difference designs) by the size design different fill the nitrogen fixture, make it and the equal no-float of each stop valve, use spring 6 tension upper and lower dops (1,3), guarantee that fixture can not come off, easily change in use procedure; Assurance is filled the nitrogen effect and is convenient to employee's operation, reduces turnover quantity and the personnel of bent angle charge valve, has realized low-cost promotion personnel reduction and enlargement, enhances productivity, and reduces costs, and reduces staff labor intensity.
In addition, the upper and lower dop of this fixture (1,3) adopts the LV12 section bar to make, and the end of upper and lower handle (2,4) all adopts the structure of outside bending, is easy to the clamping of fixture and unclasps.
The above embodiment just, for preferred embodiment of the present utility model, not limits practical range of the present utility model with this; The equivalence that all shapes according to the utility model, structure and principle are done changes; those of ordinary skills are not making under the creative work prerequisite the every other embodiment that obtains; all belong to the scope of the utility model protection, all should be covered by in protection domain of the present utility model.
Claims (6)
1. one kind is filled the nitrogen instrument, is applied to fill the joint connection of nitrogen welding, comprises the gas tube that is communicated with the nitrogen source of the gas, and the gas tube end is connected with the dop assembly that is connected fast perforation with the stop valve that welds loading line; It is characterized in that:
Described dop assembly comprises upper chuck, upper handle, lower dop and lower handle, upper chuck is connected on lower dop by bearing pin is rotating, upper handle is installed on the rearward end of upper chuck, lower handle is installed on the rearward end of lower dop, is connected with between the leading section of upper and lower dop to be convenient to upper and lower dop and to be clamped in spring on stop valve;
Described upper chuck is provided with the cone mouth that coordinates with the stop valve inflation inlet, and the cone mouth place correspondence of upper chuck is through with the air-filled pore that is communicated with gas tube;
The upside of described lower dop is provided with the slot to make way that coordinates with stop valve and the step-like mouth of stepping down.
2. a kind of nitrogen instrument that fills according to claim 1, is characterized in that, the rearward end of described lower dop is provided with the groove of an opening, and the rearward end downside of upper chuck is provided with a rotatable interior switch block of groove that snaps in lower dop; The switch block of upper chuck is provided with shaft hole, and lower dop is provided with the through hole corresponding with the shaft hole on switch block, upper chuck by bolt pass the through hole on lower dop, the shaft hole on switch block is installed on lower dop.
3. a kind of nitrogen instrument that fills according to claim 1, is characterized in that, described spring is fixed on upper and lower dop by screw, is respectively equipped with on upper and lower dop and is convenient to the screw hole that screw is installed.
4. a kind of nitrogen instrument that fills according to claim 1, it is characterized in that, the leading section of described lower dop also is provided with is convenient to the U-shaped slot to make way of with stop valve, stepping down and coordinating, and at the U-shaped slot to make way downside of lower dop, is provided with the ladder mouth of with stop valve, further stepping down and coordinating.
5. a kind of nitrogen instrument that fills according to claim 1, is characterized in that, described upper and lower handle end all adopts the structure of outside bending.
6. an air-conditioning welding tooling, is characterized in that, described air-conditioning welding tooling has the described a kind of nitrogen instrument that fills of claim 1 to 5 any one claims.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202145538U CN203282055U (en) | 2013-04-24 | 2013-04-24 | Nitrogen charging tool and air conditioner welding tool with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202145538U CN203282055U (en) | 2013-04-24 | 2013-04-24 | Nitrogen charging tool and air conditioner welding tool with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203282055U true CN203282055U (en) | 2013-11-13 |
Family
ID=49538430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202145538U Expired - Lifetime CN203282055U (en) | 2013-04-24 | 2013-04-24 | Nitrogen charging tool and air conditioner welding tool with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203282055U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108436337A (en) * | 2018-04-23 | 2018-08-24 | 格力电器（武汉）有限公司 | Be applied to nitrogen frock of filling of air conditioner stop valve |
| CN109268604A (en) * | 2017-07-17 | 2019-01-25 | 奥克斯空调股份有限公司 | A kind of nitrogen charging device |
| CN113732471A (en) * | 2021-08-16 | 2021-12-03 | 宁波保税区艾尔希汽车有限公司 | Gas injection device and gas injection process of hybrid gas generator |
-
2013
- 2013-04-24 CN CN2013202145538U patent/CN203282055U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268604A (en) * | 2017-07-17 | 2019-01-25 | 奥克斯空调股份有限公司 | A kind of nitrogen charging device |
| CN109268604B (en) * | 2017-07-17 | 2024-04-26 | 奥克斯空调股份有限公司 | Nitrogen charging device |
| CN108436337A (en) * | 2018-04-23 | 2018-08-24 | 格力电器（武汉）有限公司 | Be applied to nitrogen frock of filling of air conditioner stop valve |
| CN113732471A (en) * | 2021-08-16 | 2021-12-03 | 宁波保税区艾尔希汽车有限公司 | Gas injection device and gas injection process of hybrid gas generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131113 |