CN208051221U - A kind of nitrogen charging tooling applied to air-conditioner stop valve - Google Patents
A kind of nitrogen charging tooling applied to air-conditioner stop valve Download PDFInfo
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- CN208051221U CN208051221U CN201820581675.3U CN201820581675U CN208051221U CN 208051221 U CN208051221 U CN 208051221U CN 201820581675 U CN201820581675 U CN 201820581675U CN 208051221 U CN208051221 U CN 208051221U
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- China
- Prior art keywords
- clamp holder
- air
- upper grip
- nitrogen charging
- stop valve
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Abstract
The utility model discloses a kind of nitrogen charging toolings applied to air-conditioner stop valve, to reduce the production cost of air-conditioner stop valve, improve nitrogen charging operating efficiency, and then improve production efficiency.Wherein, the valve body of air-conditioner stop valve includes the main pipeline and connecting pipe for intersecting connection, and it includes lower clamp holder, upper clamp holder, lower collet, upper grip, pipe fitting and tension spring that connecting pipe, which has tapered end, nitrogen charging tooling, wherein：Lower clamp holder and upper clamp holder cross-articulation, lower collet are fixed on lower clamp holder distal end, and upper grip is fixed on clamp holder distal end, and the both ends of tension spring are individually fixed in lower collet and upper grip；There is lower collet the first holding tank for main pipeline to be clamped, upper grip to have the second holding tank for main pipeline to be clamped；And there is upper grip the bellmouth and threaded hole being connected, bellmouth to match with tapered end shape, threaded hole extends to upper grip top surface, pipe fitting and threaded hole screw thread interlocking.
Description
Technical field
The utility model is related to air-conditioning production technical fields, more particularly to a kind of nitrogen charging work applied to air-conditioner stop valve
Dress.
Background technology
Currently, the shut-off valve of air-conditioning when carrying out welding production, needs to carry out nitrogen filled protection, to prevent from generating inside valve member
Oxide skin.Prior art shut-off valve is general that bend charge valve is first assembled on the valve of shut-off valve in welding, then uses fast
It is docked with bend charge valve after quick coupling connection nitrogen tube.When this connection type causes each nitrogen charging to weld, it is required for
A bend charge valve is assembled on shut-off valve valve, not only cumbersome, labor intensity is larger, and needs to be equipped with a large amount of curved
Angle charge valve, production cost is higher, once bend charge valve turnover is not in time, also has the hidden danger of off-production.
Utility model content
The purpose of the utility model embodiment is to provide a kind of nitrogen charging tooling applied to air-conditioner stop valve, to reduce air-conditioning
The production cost of shut-off valve improves nitrogen charging operating efficiency, and then improves production efficiency.
The utility model embodiment provides a kind of nitrogen charging tooling applied to air-conditioner stop valve, the air-conditioner stop valve
Valve body includes the main pipeline and connecting pipe for intersecting connection, and the connecting pipe includes with tapered end, the nitrogen charging tooling
Lower clamp holder, upper clamp holder, lower collet, upper grip, pipe fitting and tension spring, wherein：
The lower clamp holder and the upper clamp holder cross-articulation, the lower collet are fixed on the lower clamp holder distal end, it is described on
Collet is fixed on the upper clamp holder distal end, and the both ends of the tension spring are individually fixed in the lower collet and the upper grip；
There is the lower collet the first holding tank for the main pipeline to be clamped, the upper grip to have for being clamped
State the second holding tank of main pipeline；And the upper grip has the bellmouth and threaded hole that are connected, the bellmouth with it is described
Tapered end shape matches, and the threaded hole extends to the upper grip top surface, the pipe fitting and the threaded hole screw thread
Interlocking.
Preferably, first holding tank is arc groove, second holding tank is rectangular channel.
Optionally, the air-conditioner stop valve is 1/4 tooth form air-conditioner stop valve.
Optionally, the air-conditioner stop valve is 3/8 tooth form air-conditioner stop valve, the valve body of the air-conditioner stop valve further include with
The connecting pipe coaxial communication and intersect the secondary duct being connected to the main pipeline；The lower collet, which also has, keeps away the position pair
First bit-avoiding slot of pipeline, first bit-avoiding slot are arc groove.
Preferably, also there is the lower collet the second bit-avoiding slot for keeping away the position lower clamp holder distal end, the upper grip also to have
There is the third bit-avoiding slot for keeping away the position upper clamp holder distal end.
Preferably, the lower collet is connect with the lower clamp holder by adjustable fasteners；When the adjustable fasteners
When unscrewing, the lower collet can be rotated relative to the lower clamp holder；When the adjustable fasteners screw, the lower collet with
The lower clamp holder is relatively fixed.
Optionally, the lower collet is collet under aluminum, and the upper grip is aluminum upper grip.
Air-conditioner stop valve connects air-conditioner stop valve when carrying out welding production, using the utility model embodiment nitrogen charging tooling
And gas tube.Specifically, first, upper clamp holder and lower clamp holder are applied and hold chucking power, keeps upper grip and lower collet mutually separate, this
When tension spring accumulation of energy；Later, the main pipeline of air-conditioner stop valve is stretched between upper grip and lower collet and positions and makes connecting pipe
Tapered end limits in the bellmouth of upper grip；Then, chucking power, under the pulling force effect of tension spring, upper grip are held in revocation
Air-conditioner stop valve is gripped with lower collet, air-conditioner stop valve is connected to pipe seal at this time, can by gas tube, by
By pipe fitting to valve member inside inflated with nitrogen.Compared with prior art, bend charge valve need not be used in welding procedure, to drop
The low production cost of air-conditioner stop valve, improves nitrogen charging operating efficiency, and then improve production efficiency.
Description of the drawings
Fig. 1 is the nitrogen charging tooling schematic diagram that one embodiment of the utility model is applied to air-conditioner stop valve；
Fig. 2 is that one embodiment nitrogen charging work of the utility model holds collet schematic diagram；
Fig. 3 is the upper grip schematic diagram of one embodiment nitrogen charging tooling of the utility model；
Fig. 4 a are that one embodiment nitrogen charging work of the utility model holds collet and the cooperation of 1/4 tooth form air-conditioner stop valve is illustrated
Figure；
Fig. 4 b are the A direction views of Fig. 4 a；
Fig. 4 c are the B-B direction sectional view of Fig. 4 b；
Fig. 5 a are that one embodiment nitrogen charging work of the utility model holds collet and the cooperation of 3/8 tooth form air-conditioner stop valve is illustrated
Figure；
Fig. 5 b are the A direction views of Fig. 5 a；
Fig. 5 c are the B-B direction sectional view of Fig. 5 b.
Reference numeral：
1a-1/4 tooth form air-conditioner stop valves
1b-3/8 tooth form air-conditioner stop valves
10- valve bodies
101- main pipelines
102- connecting pipes
103- tapered ends
Clamp holder under 2-
The upper clamp holders of 3-
Collet under 4-
5- upper grips
6- pipe fittings
7- tension springs
The first holding tanks of 401-
The second holding tanks of 501-
502- bellmouths
503- threaded holes
104- secondary ducts
The first bit-avoiding slots of 402-
504- third bit-avoiding slots
The second bit-avoiding slots of 403-
8- fasteners
Specific implementation mode
To reduce the production cost of air-conditioner stop valve, nitrogen charging operating efficiency is improved, and then improve production efficiency, this practicality is new
Type embodiment provides a kind of nitrogen charging tooling applied to air-conditioner stop valve.For make the purpose of this utility model, technical solution and
Advantage is clearer, is described in further detail by the following examples to the utility model.
As shown in Fig. 1 to Fig. 3, Fig. 4 a~Fig. 4 c, what one embodiment of the utility model provided is applied to air-conditioner stop valve
Nitrogen charging tooling, the valve body 10 of air-conditioner stop valve include the main pipeline 101 and connecting pipe 102 for intersecting connection, and connecting pipe 102 has
There is a tapered end 103, nitrogen charging tooling includes lower clamp holder 2, upper clamp holder 3, lower collet 4, upper grip 5, pipe fitting 6 and tension spring 7,
In：3 cross-articulation of lower clamp holder 2 and upper clamp holder, lower collet 4 are fixed on 2 distal end of lower clamp holder, and it is remote that upper grip 5 is fixed on clamp holder 3
End, the both ends of tension spring 7 are individually fixed in lower collet 4 and upper grip 5；Lower collet 4 has the first folder for main pipeline 101 to be clamped
Slot 401 is held, upper grip 5 has the second holding tank 501 for main pipeline 101 to be clamped；And upper grip 5 has the taper being connected
Hole 502 and threaded hole 503, bellmouth 502 match with 103 shape of tapered end, and threaded hole 503 extends to 5 top surface of upper grip,
Pipe fitting 6 and 503 screw thread interlocking of threaded hole.
When welder states nitrogen charging tooling in use, need to hold clamp holder 3 and lower clamp holder 2, accordingly in our definition
Clamp holder 3 and lower clamp holder 2 are proximal end close to one end of welder, correspondingly, one end far from welder is distal end.
Air-conditioner stop valve connects air-conditioner stop valve when carrying out welding production, using the utility model embodiment nitrogen charging tooling
With gas tube (gas tube is not shown in figure), specifically：
First, upper clamp holder 3 and lower clamp holder 2 are applied and holds chucking power, kept upper grip 5 and lower collet 4 mutually separate, draw at this time
7 accumulation of energy of spring；
Later, the main pipeline of air-conditioner stop valve 101 is stretched between upper grip 5 and lower collet 4 and makes connecting pipe 102
Tapered end 103 limits in the bellmouth 502 of upper grip 5；
Then, chucking power is held in revocation, and under the pulling force effect of tension spring 7, upper grip 5 and lower collet 4 are by air-conditioner stop valve
Grip, air-conditioner stop valve and pipe fitting 6 sealing at this time is connected to, can by gas tube, by by pipe fitting 6 in valve member
Portion's inflated with nitrogen.
Due to that need not use bend charge valve, compared with prior art, reduce in the welding procedure of air-conditioner stop valve
The production cost of air-conditioner stop valve, improves nitrogen charging operating efficiency, and then improve production efficiency.Further, since air-conditioning is cut
Only the tapered end of the connecting pipe of valve is matched with the bellmouth of upper grip, therefore air-tightness is preferable during nitrogen charging, to
It ensure that nitrogen charging effect.
Shown in Fig. 1 to Fig. 3, Fig. 4 a, the first holding tank 401 is arc groove, and the second holding tank 501 is rectangle
Slot.First holding tank 401 of arc has the effect of quickly positioning to main pipeline 101, and the second holding tank 501 of rectangle can be with
Nitrogen charging tooling is set to be suitable for the air-conditioner stop valve of multiple models of different sizes, the scope of application of the nitrogen charging tooling is wider, is welding
Between picking up, worker need not frequently replace nitrogen charging tooling, to further improve welding efficiency.
As shown in Fig. 4 a to Fig. 4 c, which is 1/4 tooth form air-conditioner stop valve 1a, is suitable for above-mentioned nitrogen charging work
Dress.
Shown in as shown in Figure 5 a to 5 c, which is 3/8 tooth form air-conditioner stop valve 1b, the valve of such air-conditioner stop valve
Body 10 further includes intersecting company with 102 coaxial communication of connecting pipe and with main pipeline 101 in addition to main pipeline 101 and connecting pipe 102
Logical secondary duct 104.Shown in Fig. 1, nitrogen charging work, which holds collet 4 and also has, keeps away the first of a secondary duct 104 and keeps away
Position slot 402, the first bit-avoiding slot 402 are arc groove.Therefore, the nitrogen charging tooling that the utility model Fig. 1 embodiments provide is for Fig. 4 a
Shown in 3/8 tooth form air-conditioner stop valve 1b shown in 1/4 tooth form air-conditioner stop valve 1a and Fig. 5 a be applicable in.
In addition, lower collet 4 also has the second bit-avoiding slot 403 for keeping away 2 distal end of clamp holder under position, upper grip 5, which also has, to be kept away on position
The third bit-avoiding slot 504 of 3 distal end of clamp holder.Lower collet 4 passes through perforative fastener 8 with lower clamp holder 2, upper grip 5 and upper clamp holder 3
It achieves a fixed connection.
In the preferred embodiment of the utility model, the fastener 8 for lower collet 4 to be connect with lower clamp holder 2 is adjustable
Save fastener, such as screw or bolt；When adjustable fasteners unscrew, lower collet 4 can be rotated relative to lower clamp holder 2；When can
When adjusting fasteners tight, lower collet 4 is relatively fixed with lower clamp holder 2.When the big ting model of air-conditioner stop valve is replaced, unscrewing can
Fastener is adjusted, the rotational angle that lower collet 4 descends clamp holder 2 relatively is adjusted, to make the first holding tank 401 and air-conditioner stop valve
Main pipeline 101 is adapted.
In the preferred embodiment of the utility model, lower collet 4 is collet under aluminum, and upper grip 5 is aluminum upper grip.By
It is usually copper material in the valve body 10 of air-conditioner stop valve, upper grip 4 and lower collet 5 use aluminium material, it is possible to reduce to valve body 10
The scuffing on surface.
Obviously, those skilled in the art can carry out the utility model various modification and variations without departing from this practicality
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (7)
1. the valve body of a kind of nitrogen charging tooling applied to air-conditioner stop valve, the air-conditioner stop valve includes the main pipeline for intersecting connection
And connecting pipe, the connecting pipe have tapered end, it is characterised in that：The nitrogen charging tooling include lower clamp holder, upper clamp holder,
Lower collet, upper grip, pipe fitting and tension spring, wherein：
The lower clamp holder and the upper clamp holder cross-articulation, the lower collet are fixed on the lower clamp holder distal end, the upper grip
It is fixed on the upper clamp holder distal end, the both ends of the tension spring are individually fixed in the lower collet and the upper grip；
There is the lower collet the first holding tank for the main pipeline to be clamped, the upper grip to have for the master to be clamped
Second holding tank of pipeline；And the upper grip has the bellmouth and threaded hole being connected, the bellmouth and the taper
End shape matches, and the threaded hole extends to the upper grip top surface, the pipe fitting and the threaded hole screw thread interlocking.
2. nitrogen charging tooling as described in claim 1, which is characterized in that first holding tank is arc groove, second folder
It is rectangular channel to hold slot.
3. nitrogen charging tooling as claimed in claim 1 or 2, which is characterized in that the air-conditioner stop valve ends for 1/4 tooth form air-conditioning
Valve.
4. nitrogen charging tooling as claimed in claim 1 or 2, which is characterized in that the air-conditioner stop valve ends for 3/8 tooth form air-conditioning
Valve, the valve body of the air-conditioner stop valve further include and the connecting pipe coaxial communication and intersect the pair being connected to the main pipeline
Pipeline；It is arc groove that the lower collet, which also has the first bit-avoiding slot for keeping away the position secondary duct, first bit-avoiding slot,.
5. nitrogen charging tooling as described in claim 1, which is characterized in that the lower collet, which also has, keeps away the position lower clamp holder distal end
The second bit-avoiding slot, the upper grip, which also has, keeps away the third bit-avoiding slot of the position upper clamp holder distal end.
6. nitrogen charging tooling as claimed in claim 5, which is characterized in that the lower collet passes through adjustable tight with the lower clamp holder
Firmware connects；When the adjustable fasteners unscrew, the lower collet can be rotated relative to the lower clamp holder；When described adjustable
When saving fasteners tight, the lower collet is relatively fixed with the lower clamp holder.
7. nitrogen charging tooling as described in claim 1, which is characterized in that the lower collet is collet under aluminum, the upper grip
For aluminum upper grip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820581675.3U CN208051221U (en) | 2018-04-23 | 2018-04-23 | A kind of nitrogen charging tooling applied to air-conditioner stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820581675.3U CN208051221U (en) | 2018-04-23 | 2018-04-23 | A kind of nitrogen charging tooling applied to air-conditioner stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208051221U true CN208051221U (en) | 2018-11-06 |
Family
ID=63983554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820581675.3U Active CN208051221U (en) | 2018-04-23 | 2018-04-23 | A kind of nitrogen charging tooling applied to air-conditioner stop valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN208051221U (en) |
Cited By (1)
| 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 | A kind of nitrogen charging tooling applied to air-conditioner stop valve |
-
2018
- 2018-04-23 CN CN201820581675.3U patent/CN208051221U/en active Active
Cited By (1)
| 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 | A kind of nitrogen charging tooling applied to air-conditioner stop valve |
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