CN207999893U - The device for preventing leakage of air-conditioning refrigerant - Google Patents
The device for preventing leakage of air-conditioning refrigerant Download PDFInfo
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- CN207999893U CN207999893U CN201820370598.7U CN201820370598U CN207999893U CN 207999893 U CN207999893 U CN 207999893U CN 201820370598 U CN201820370598 U CN 201820370598U CN 207999893 U CN207999893 U CN 207999893U
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Abstract
The utility model gives a kind of device for preventing leakage of air-conditioning refrigerant;Including inner connecting tube and control valve group, the interface of inner connecting tube side and outdoor machine of air-conditioner connects, and inner connecting tube end side is connected to the fixation of the copper pipe of air-conditioning;Control valve group is arranged in inner connecting tube, control valve group includes pushing pipe, seal disc, sealing plate, the first spring and support plate, support plate opposing seal plate is in the interface position far from outdoor machine of air-conditioner, sealing hole is provided on sealing plate, seal disc is extended with guide rod to support plate direction, support plate is run through in guide rod end, first spring pocket is on guide rod, one end of first spring is resisted against on seal disc, the other end of first spring is against on the supporting plate, it is provided with first through hole in support plate, pipe is pushed to be extended with mandril.The present apparatus does not hinder the circulation of coolant liquid in air-conditioning normal use, when air-conditioning needs to tear open shifting again can self-closed, prevent coolant liquid from leaking, have:The advantages of reasonable for structure, of low cost, economical environment-protective.
Description
Technical field
The utility model is related to a kind of device for preventing leakage of air-conditioning refrigerant.
Background technology
Air-conditioning is indispensable one of the household electrical appliances of family, and normal domestic use air-conditioning can be divided into interior machine and outer machine, interior machine and outer machine
Between by piping connection, the refrigerating circuit circulated for refrigerant is formed inside air-conditioning, air-conditioning is during being widely used, often
It needs to remove or movement, existing air-conditioning is only provided with protection valve in two interfaces of outdoor machine of air-conditioner, some refrigerant can be returned
It receives to outer machine, but unavoidably the refrigerant in copper pipe and in interior machine still can be caused to be lost in, cause unnecessary waste,
And pollution environment.
And when the movement of existing air-conditioning, professional is needed to operate, and externally machine is vacuum-treated and is supplemented refrigeration
Agent capacity, tedious process and the financial expenditure for increasing user.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of air-conditioning refrigerants simple in structure, conveniently tearing shifting open
Device for preventing leakage.
In order to solve the above technical problems, the utility model provides a kind of device for preventing leakage of air-conditioning refrigerant;
Including at least inner connecting tube and control valve group, the interface of inner connecting tube side and outdoor machine of air-conditioner connects, and inner connecting tube is another
Side end is connected to the fixation of the copper pipe of air-conditioning;
Control valve group is arranged in inner connecting tube, and control valve group includes pushing pipe, seal disc, sealing plate, the first spring
And support plate, sealing plate are fixedly connected with support plate inside inner connecting tube, support plate opposing seal plate is in far from air-conditioning
The interface position of outer machine is provided with the sealing hole through its both sides on sealing plate, and seal disc can coordinate close encapsulation hole with sealing plate,
Seal disc is extended with guide rod to support plate direction, and the axial direction of guide rod is consistent with the axial direction of inner connecting tube, and guide rod end is passed through
Perforating branches fagging, the first spring pocket is on guide rod, and one end of the first spring is resisted against on seal disc, and the other end of the first spring supports
By be provided on the supporting plate, in support plate at least one refrigerant for air-conditioning by first through hole, push pipe in sky
Between the interface and sealing plate of adjusting outer machine, the sealing hole site of pipe alignment sealing plate is pushed to be extended with mandril.
After such structure, outdoor machine of air-conditioner interface is connect by the device for preventing leakage of this air-conditioning refrigerant with copper pipe,
It is sealed between outdoor machine of air-conditioner interface and inscribed tube end, the mandril of pipe is pushed to push seal disc to far from outdoor machine of air-conditioner interface direction
Mobile, seal disc is detached from sealing plate, and the cooling medium formed inside the device for preventing leakage of this air-conditioning refrigerant for air-conditioning passes through
Fluid path;When air-conditioning needs to tear shifting open, inner connecting tube is detached from outdoor machine of air-conditioner interface, and the promotion pipe of control valve group is not applied seal disc
Add active force, seal disc to be contacted always with sealing plate end face under the action of the spring, keeps sealing.
The device for preventing leakage of this air-conditioning refrigerant does not hinder the circulation of coolant liquid in air-conditioning normal use, is needed in air-conditioning
When tearing shifting open again can self-closed, prevent coolant liquid from leaking, have:The advantages of reasonable for structure, of low cost, economical environment-protective.
For the clearer technology contents for understanding the utility model, below by the letter of the device for preventing leakage of this air-conditioning refrigerant
Referred to as this device for preventing leakage.
This device for preventing leakage further includes extension tube attached, and inner connecting tube is sleeved in extension tube attached, copper pipe one of the extension tube attached far from air-conditioning
Side end is connected to the fixation of the interface of outdoor machine of air-conditioner;After such structure, extension tube attached can facilitate this device for preventing leakage with
Outdoor machine of air-conditioner interface connects.
The inner connecting tube of this device for preventing leakage is extended with intubation to the interface direction far from outdoor machine of air-conditioner, and the outer diameter of intubation is less than
The outer diameter of inner connecting tube, intubation are stretched out on the outside of extension tube attached;
Extension tube attached is equipped with the internal thread with outdoor machine of air-conditioner Interference fit close to the end of the interface of outdoor machine of air-conditioner, and extension tube attached is remote
The end of interface from outdoor machine of air-conditioner is extended with internal projecting ring, and the internal diameter of internal projecting ring is less than the outer diameter of inner connecting tube, the internal diameter of internal projecting ring
More than the outer diameter of intubation.
After such structure, the rotation in circumferential direction can only occur relative to inner connecting tube for inner connecting tube limitation extension tube attached, cannot
Axial displacement occurs, and coordinate the screw thread of extension tube attached quickly with outdoor machine of air-conditioner Interference fit.
The mandril of this device for preventing leakage is on the promotion end surfaces in the interface direction far from outdoor machine of air-conditioner, far from outside air-conditioning
The promotion end surfaces in the interface direction of machine be provided at least one refrigerant for air-conditioning by the second through-hole;Using such
It after structure, pushes the structure of pipe more reasonable, more meets the design requirement of this device for preventing leakage.
The control valve group of this device for preventing leakage further includes second spring, and one end of second spring is resisted against promotion end surfaces
On, the other end of second spring is resisted against on sealing plate;After such structure, when air-conditioning is dismantled, second spring can be with
Make promotion pipe automatic spring.
The sealing hole of the sealing plate of this device for preventing leakage is round table-like, and sealing hole is in close to the interface direction of outdoor machine of air-conditioner
The aperture for sealing plate end face is less than in the aperture of the interface direction sealing plate end face far from outdoor machine of air-conditioner;
Seal disc is also round table-like, side wall and the sealing hole inner hole of seal disc.
After such structure, preferably coordinate between seal disc and sealing plate, realizes better seal effect.
This device for preventing leakage promotion pipe in close to outdoor machine of air-conditioner interface position end outer wall be provided with outside air-conditioning
The external screw thread of the Interference fit of machine, end outer wall of the promotion pipe in the interface position far from outdoor machine of air-conditioner is set with and inner connecting tube
The sealing shroud of inner wall cooperation;After such structure, push the external screw thread of pipe that can be fixed with the interface of outdoor machine of air-conditioner, also not
Dismounting is influenced, sealing shroud can increase the leakproofness pushed between pipe and inner connecting tube.
Description of the drawings
Fig. 1 is the structural schematic diagram of this device for preventing leakage embodiment.
Fig. 2 is the usage state diagram of this device for preventing leakage embodiment.
Fig. 3 is the side view that this device for preventing leakage embodiment pushes pipe.
Fig. 4 is the side view of this device for preventing leakage embodiment support plate.
Specific implementation mode
As shown in Figures 1 to 4
This device for preventing leakage includes extension tube attached 1, inner connecting tube 2 and control valve group.
The outer diameter of 1 front of extension tube attached is more bigger than the outer diameter at 1 rear portion of extension tube attached, 1 front inner wall of extension tube attached be equipped with outside air-conditioning
The internal thread that machine interface 4 coordinates, 1 endoporus rear end of extension tube attached is extended with internal projecting ring 11.
Inner connecting tube 2 is sleeved in extension tube attached 1, and the outer diameter of inner connecting tube 2 is more than the internal diameter of internal projecting ring 11, and inner connecting tube 2 is to rear side
Be extended with intubation 21, be intubated 21 endoporus and communicated with the endoporus of inner connecting tube 2, be intubated 21 axis it is axial conllinear with inner connecting tube 2,
The outer diameter of intubation 21 is less than the outer diameter of the internal diameter and inner connecting tube 2 of internal projecting ring 11, and intubation 21 is step with the junction of inner connecting tube 2
Shape, intubation 21 stretch out 1 rear side of extension tube attached from 11 endoporus of internal projecting ring, and inner connecting tube 2 is connected to by intubation 21 with the fixation of the copper pipe of air-conditioning.
Control valve group is arranged in inner connecting tube 2, and control valve group includes pushing pipe 35, seal disc 32, sealing plate 31, the
One spring 34, second spring 36 and support plate 33, sealing plate 31 and support plate 33 are welded with 2 inner wall of inner connecting tube respectively, sealing plate
31, in 33 front side of support plate, have certain distance between sealing plate 31 and support plate 33, be provided with before it on sealing plate 31,
The sealing hole 31a of the sealing hole 31a of both sides afterwards, sealing plate 31 are round table-like, and the aperture of sealing hole 31a front end faces is less than sealing hole
The aperture of 31a rear end faces.
Seal disc 32 is also round table-like, the side wall of seal disc 32 and sealing hole 31a inner holes, 32 front end face of seal disc
Diameter is less than the aperture of sealing hole 31a front end faces, and the diameter of 32 rear end face of seal disc is more than the aperture of sealing hole 31a rear end faces,
Seal disc 32 can coordinate close encapsulation hole 31a with sealing plate 31, and 32 center of seal disc extends back and has guide rod 32a, guide rod
The axial direction of 32a is consistent with the axial direction of inner connecting tube 2, and support plate 33 is run through in the ends guide rod 32a, and 33 rear end face of support plate prolongs
The guide sleeve 33a having with guide rod 32a cooperations is stretched, the first spring 34 is sleeved on guide rod 32a, and one end of the first spring 34 is resisted against
On seal disc 32, the other end of the first spring 34 is resisted against in support plate 33, opened in support plate 33 there are three for air-conditioning refrigeration
Medium by first through hole 33b.
It pushes pipe 35 to be between the interface 4 and sealing plate 31 of outdoor machine of air-conditioner, pipe 35 is pushed to be directed at the sealing of sealing plate 31
The hole positions 31a are extended with mandril 35a, and mandril 35a is on 35 end face of promotion pipe in 4 direction of interface far from outdoor machine of air-conditioner, far
35 end face of promotion pipe in 4 direction of interface from outdoor machine of air-conditioner open there are three for air-conditioning refrigerant by the second through-hole 35b;
It pushes 35 front outer wall of pipe to be provided with the external screw thread coordinated with the interface of outdoor machine of air-conditioner 4, pushes 35 rear portion outer wall set of pipe
Equipped with the sealing shroud 35c coordinated with 2 inner wall of inner connecting tube.
One end of second spring 36, which is resisted against, to push on 35 end face of pipe, and the other end of second spring 36 is resisted against sealing plate 31
On.
When this device for preventing leakage is installed, the screw-internal thread fit of pipe 35 and the interface 4 of outdoor machine of air-conditioner will be first pushed, then will be external
Pipe 1 and the external screw thread of outdoor machine of air-conditioner interface 4 coordinate, and intubation 21 is connected to the fixation of the copper pipe of air-conditioning, and the mandril 35a of pipe 35 is pushed to push away
Dynamic sealing disk 32 is moved to 33 direction of support plate, and the refrigerant of air-conditioning is flowed out from outdoor machine of air-conditioner interface 4, passes through inner connecting tube 2 successively
Push pipe 35 and its second through-hole 35b, sealing plate 31, the first through hole 33b of support plate 33, intubation 21, flow to the copper of air-conditioning
Tube end constitutes the coolant channel of this device for preventing leakage.
When air-conditioning needs to tear shifting open, the protection valve of outdoor machine of air-conditioner interface 4 is first closed, then directly rotate extension tube attached 1, made outer
Take over 1 is detached from outdoor machine of air-conditioner interface 4, at this point, the 35 mandril 35a of promotion pipe of control valve group does not act on 32 application of seal disc
Power, seal disc 32 are contacted with the sealing hole 31a hole walls of sealing plate 31 always under the action of the spring, keep sealing, are in air-conditioning
Coolant liquid in interior machine and copper pipe will not leak.
Above-described is only a kind of embodiment of the utility model, it is noted that for the ordinary skill of this field
For personnel, without departing from the principle of this utility model, several variations and modifications can also be made, these also should be regarded as
Belong to the scope of protection of the utility model.
Claims (7)
1. a kind of device for preventing leakage of air-conditioning refrigerant, it is characterized in that:
Including at least inner connecting tube and control valve group, the interface of inner connecting tube side and outdoor machine of air-conditioner connects, another side of inner connecting tube
Portion is connected to the fixation of the copper pipe of air-conditioning;
Control valve group is arranged in inner connecting tube, and control valve group includes pushing pipe, seal disc, sealing plate, the first spring and branch
Fagging, sealing plate and support plate are fixedly connected inside inner connecting tube, and support plate opposing seal plate is in far from outdoor machine of air-conditioner
Interface position, the sealing hole through its both sides is provided on sealing plate, seal disc can coordinate close encapsulation hole, sealing with sealing plate
Disk is extended with guide rod to support plate direction, and the axial direction of guide rod is consistent with the axial direction of inner connecting tube, and guide rod end is through branch
Fagging, the first spring pocket is on guide rod, and one end of the first spring is resisted against on seal disc, and the other end of the first spring is resisted against
Be provided in support plate, in support plate at least one refrigerant for air-conditioning by first through hole, push pipe outside the air-conditioning
Between the interface and sealing plate of machine, the sealing hole site of pipe alignment sealing plate is pushed to be extended with mandril.
2. the device for preventing leakage of air-conditioning refrigerant according to claim 1, it is characterized in that:
Further include extension tube attached, inner connecting tube is sleeved in extension tube attached, copper pipe one side end and outdoor machine of air-conditioner of the extension tube attached far from air-conditioning
Interface fix connection.
3. the device for preventing leakage of air-conditioning refrigerant according to claim 2, it is characterized in that:
Inner connecting tube is extended with intubation to the interface direction far from outdoor machine of air-conditioner, and the outer diameter of intubation is less than the outer diameter of inner connecting tube, intubation
It stretches out on the outside of extension tube attached;
Extension tube attached is equipped with the internal thread with outdoor machine of air-conditioner Interference fit close to the end of the interface of outdoor machine of air-conditioner, and extension tube attached is far from empty
The end of the interface of outer machine is adjusted to be extended with internal projecting ring, the internal diameter of internal projecting ring is less than the outer diameter of inner connecting tube, and the internal diameter of internal projecting ring is more than
The outer diameter of intubation.
4. the device for preventing leakage of air-conditioning refrigerant according to claim 1, it is characterized in that:
Mandril is on the promotion end surfaces in the interface direction far from outdoor machine of air-conditioner, the promotion in the interface direction far from outdoor machine of air-conditioner
End surfaces be provided at least one refrigerant for air-conditioning by the second through-hole.
5. the device for preventing leakage of air-conditioning refrigerant according to claim 4, it is characterized in that:
The control valve group further includes second spring, and one end of second spring, which is resisted against, to push on end surfaces, second spring
The other end is resisted against on sealing plate.
6. the device for preventing leakage of air-conditioning refrigerant according to claim 1, it is characterized in that:
The sealing hole of sealing plate is round table-like, and sealing hole is in small close to the aperture of the interface direction of outdoor machine of air-conditioner sealing plate end face
In the aperture for sealing plate end face in the interface direction far from outdoor machine of air-conditioner;
Seal disc is also round table-like, side wall and the sealing hole inner hole of seal disc.
7. the device for preventing leakage of air-conditioning refrigerant according to claim 1, it is characterized in that:
End outer wall of the pipe in the interface position close to outdoor machine of air-conditioner is pushed to be provided with the outer spiral shell with the Interference fit of outdoor machine of air-conditioner
Line pushes end outer wall of the pipe in the interface position far from outdoor machine of air-conditioner to be set with the sealing shroud coordinated with inscribed inside pipe wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820370598.7U CN207999893U (en) | 2018-03-19 | 2018-03-19 | The device for preventing leakage of air-conditioning refrigerant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820370598.7U CN207999893U (en) | 2018-03-19 | 2018-03-19 | The device for preventing leakage of air-conditioning refrigerant |
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| Publication Number | Publication Date |
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| CN207999893U true CN207999893U (en) | 2018-10-23 |
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ID=63839805
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820370598.7U Active CN207999893U (en) | 2018-03-19 | 2018-03-19 | The device for preventing leakage of air-conditioning refrigerant |
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| CN (1) | CN207999893U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266833A (en) * | 2018-03-19 | 2018-07-10 | 蚌埠市思洁节能科技有限公司 | The device for preventing leakage of air-conditioning refrigerant |
-
2018
- 2018-03-19 CN CN201820370598.7U patent/CN207999893U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266833A (en) * | 2018-03-19 | 2018-07-10 | 蚌埠市思洁节能科技有限公司 | The device for preventing leakage of air-conditioning refrigerant |
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