CN202581981U - Refrigerant adding device for air conditioner - Google Patents
Refrigerant adding device for air conditioner Download PDFInfo
- Publication number
- CN202581981U CN202581981U CN 201220129175 CN201220129175U CN202581981U CN 202581981 U CN202581981 U CN 202581981U CN 201220129175 CN201220129175 CN 201220129175 CN 201220129175 U CN201220129175 U CN 201220129175U CN 202581981 U CN202581981 U CN 202581981U
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- CN
- China
- Prior art keywords
- thimble
- air conditioner
- link rod
- rod sleeve
- sliding sleeve
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- 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.)
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Abstract
The utility model discloses a refrigerant adding device for an air conditioner. The refrigerant adding device for the air conditioner is used for connecting a refrigerant storage tank and a cold adding valve, and comprises a nut connected with the cold adding valve, and a sliding sleeve, a connecting sleeve and an ejector pin which are sequentially sleeved, wherein the sliding sleeve is connected with the ejector pin and can drive the ejector pin to slide in the connecting rod sleeve, and the connecting rod sleeve is in airtight connection with the sliding sleeve; the ejector pin is in a cylinder shape and has an opening end, a closing end, and a body formed between the opening end and the closing end, and the opening end of the ejector pin is connected with the sliding sleeve; and the body is inserted into an inner hole of the connecting rod sleeve and is communicated with the inner hole of the connecting rod sleeve, and the closing end is in airtight connection with the connecting rod sleeve and corresponds to a valve core of the cold adding valve.
Description
Technical field
The utility model relates to field of air conditioning, relates in particular to a kind of the cold-producing medium storage tank to be connected to air-conditioning so that the air conditioner refrigerant of cold-producing medium turnover air-conditioning places device.
Background technology
In the debugging air-conditioning process, often need to regulate its amount of refrigerant, that is, the connector of cryogen holding vessel is screwed togather the low temperature valve that adds to air-conditioning, and the valve that thimble in the connector is backed down add low temperature valve so that air-conditioning system be communicated with the cryogen holding vessel.In the existing connector, thimble fixedly installs, and it is in different positions along with the difference of the degree of screwing togather.So, add low temperature valve along with connector is screwed into gradually, thimble is unseat the valve gradually also, connector be screwed into fully add low temperature valve before, the cold-producing medium in the air-conditioning system can let out to thread gaps from valve.After cold-producing medium added end, before the complete spiral shell of connector went out to add low temperature valve, the cold-producing medium in the air-conditioning can let out to thread gaps from valve inside too.It is thus clear that, utilize this kind connector to add, put cold-producing medium and cause refrigerant external leakage easily, environment is polluted.
The utility model content
The main purpose of the utility model is to provide a kind of and can the cold-producing medium storage tank is connected to air-conditioning and avoids the air conditioner refrigerant of leakage of refrigerant in placing the process of cold-producing medium to place device.
To achieve these goals; The utility model provides a kind of air conditioner refrigerant that adds low temperature valve that is used to connect cold-producing medium storage tank and air-conditioner to place device; Comprise with said and add the nut that low temperature valve is connected; And the sliding sleeve of socket successively, link rod sleeve and thimble, said sliding sleeve is connected with said thimble, can drive said thimble and in said link rod sleeve, slide; Said link rod sleeve is connected with said sliding sleeve air-tightness; Said thimble is the tubular setting; Have opening end, blind end and be formed at said opening end and said blind end between body; The opening end of said thimble is connected with said sliding sleeve; Said body inserts the endoporus of said link rod sleeve and communicates with said link rod sleeve endoporus, and said blind end connects and the corresponding said valve inside that adds low temperature valve with the endoporus air-tightness of said link rod sleeve.
Preferably, the endoporus of said sliding sleeve is step-like, and is provided with first screw thread away from a said side that adds low temperature valve on the hole wall of said endoporus, and the opening end outer setting of said thimble has second screw thread that can be threaded with said first.
Preferably, said thimble body has symmetrically arranged tangent plane, and said tangent plane makes the endoporus of said thimble communicate with said link rod sleeve endoporus.
Preferably, said link rod sleeve is provided with at least one seal groove, and said air conditioner refrigerant places device and also comprises the sealing ring adaptive with said seal groove.
Preferably; Said link rod sleeve also comprises at least one gag lever post that is arranged on its outer surface; Offer at least one stopper slot on the stack shell of said sliding sleeve, this stopper slot comprises an axially extended rail portion along this sliding sleeve, and said gag lever post is plugged in this stopper slot.
Preferably, the L-shaped setting of said stopper slot also comprises the location division that vertical said rail portion is provided with.
Preferably, said link rod sleeve has the body that coats said thimble body and the flange of corresponding said thimble blind end, said flange in the form of a ring and its internal diameter greater than the internal diameter of said body.
Preferably, said nut has and is used for cooperating with said flange and in order to the retainer ring of spacing said link rod sleeve.
Preferably, the outside correspondence of the blind end of the said thimble valve inside that adds low temperature valve offers containing groove.
Preferably, said air conditioner refrigerant places device and also includes elastic component, and it is arranged between said nut and the said sliding sleeve.
The air conditioner refrigerant that the utility model provided places device; Cooperation through nut, thimble, link rod sleeve and sliding sleeve; Make placing to air-conditioning in the process of cold-producing medium that thimble is before the butt valve inside and after the disengaging valve inside, the space around it all is in sealing state; So, thus then can avoid in placing the process of cold-producing medium revealing cold-producing medium and cause to the waste of cold-producing medium and to the pollution of environment.
Description of drawings
Fig. 1 places the structural representation of device for the air conditioner refrigerant of the utility model preferred embodiments.
Fig. 2 places the sectional structure sketch map of device for air conditioner refrigerant shown in Figure 1.
Fig. 3 places the structural representation of the sliding sleeve of device for air conditioner refrigerant shown in Figure 1.
Fig. 4 places the structural representation of the thimble of device for air conditioner refrigerant shown in Figure 1.
Fig. 5 places the structural representation of the link rod sleeve of device for air conditioner refrigerant shown in Figure 1.
Fig. 6 is similar to Fig. 1, is in another state but air conditioner refrigerant places device.
Fig. 7 places the sectional structure sketch map of device for air conditioner refrigerant shown in Figure 6.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only is used to explain the utility model, and be not used in qualification the utility model.
In the utility model embodiment, air conditioner refrigerant places device 10 and is used for adding low temperature valve 70 with what the cryogen holding vessel was connected to air-conditioning, thereby cold-producing medium can be injected into the air-conditioning from adding low temperature valve.Below will combine accompanying drawing to set forth the technical scheme that the utility model air conditioner refrigerant places device in detail.
Please refer to Fig. 1 and Fig. 2, wherein, the air conditioner refrigerant of Fig. 1 the utility model preferred embodiments places the structural representation of device 10, and Fig. 2 places the sectional structure sketch map of device 10 for the utility model air conditioner refrigerant.The utility model air conditioner refrigerant places device 10 and comprises sliding sleeve 100, thimble 200, link rod sleeve 300, nut 400, sealing ring 500 and spring 600.Wherein, Air conditioner refrigerant places device 10 and can be connected with the cold-producing medium storage tank through its sliding sleeve 100; And be connected with the low temperature valve 70 that adds of air-conditioning system through nut 400; Thereby realize interconnecting between cold-producing medium storage tank and the air-conditioning system, make cold-producing medium from the cold-producing medium storage tank, be added in the air-conditioning system.
Please combine Fig. 3, it is cylindric that sliding sleeve 100 roughly is, first end 110, the second end 120 and be formed at first end 110 and the second end 120 between stack shell 130.First end 110 is used for being connected with the flexible pipe that is connected to the cold-producing medium storage tank, and the second end 120 is relative with first end 110, is used for being connected with nut 400.Stack shell 130 forms endoporus 131.Endoporus 131 is roughly stepped, includes the second bigger hole portion 133 of first less hole portion 132 of aperture and aperture.The first hole portion 132 is near being formed with first screw thread 134 on first end 110 and its inner hole wall.The second hole portion 133 is connected with the first hole portion 132.In addition, also offer at least one stopper slot 135 that runs through stack shell 130 and communicate near the second end 120 parts on the stack shell 130 with the second hole portion 132.In the present embodiment, the number of stopper slot 135 is two, is to be symmetrical set, and the roughly L-shaped setting of each stopper slot 135 comprises vertical guide portion 136 and located lateral portion 137.The number that is appreciated that stopper slot 135 is not limited in the present embodiment, and in other embodiments, the quantity of stopper slot 135 can change as required.
Please combine Fig. 4, thimble 200 is the tubular setting, have opening end 210, blind end 220 and be formed at opening end 210 and blind end 220 between body 230.Opening end 210 outer setting have second screw thread 211, and blind end 220 correspondences add the valve inside 72 of low temperature valve 70, and cave inward on its end face and be formed with containing groove 221.Be formed with two relative tangent planes 231 on the body 230.This two relative tangent plane 231 cuts stack shell, and the endoporus of thimble 200 is communicated with the external world.
Please combine Fig. 5, it is cylindric that link rod sleeve 300 roughly is, and comprises body 310, flange 320 and gag lever post 330.Body 310 is cylindric, and its external diameter is slightly less than the second hole portion 133 of sliding sleeve 100, can with sliding sleeve 100 matched in clearance; Its internal diameter is slightly larger than the external diameter of thimble 200, can thimble 200 be socketed on wherein.In addition, body 310 outer surface upper edges circumferentially also offer some (present embodiment is preferably 3) seal groove 311, in order to the location sealing ring.Flange 320 is arranged on the end of body 310, and roughly in the form of a ring, and its internal diameter is greater than the internal diameter of body 310.Gag lever post 330 is arranged on the outer surface of body 310, and roughly between seal groove 311 and flange 320.In the present embodiment, the quantity of the stopper slot 135 on the quantity of gag lever post 330 and the sliding sleeve 100 is corresponding, and so, each gag lever post 330 can be inserted in respectively in the corresponding stopper slot 135.These two stopper slots 135 are symmetricly set on the body 310, and scalable in the radial direction, so that link rod sleeve 300 can be sheathed in the second hole portion 133 of sliding sleeve 100 and each gag lever post 330 can be inserted in the corresponding stopper slot 135.
Please with reference to Fig. 2,400 1 opening inward flanges of nut retainer ring 410 that radially extends internally out, the internal diameter of retainer ring 410 are a bit larger tham the internal diameter of link rod sleeve 300 and less than the external diameter of flange 320, break away from nuts 400 in order to prevent link rod sleeve 300.
In the assembling process; Thimble 200 is inserted in the sliding sleeves 100 and its second screw thread 211 is connected with first screw thread 134 from the second hole portion 133 of sliding sleeve 100, and thimble 200 is fixed to sliding sleeve 100 and blind end 220 stretches out in outside the second end 120 of sliding sleeve 100 at this moment.Nut 400 is set on the link rod sleeve 300, and makes retainer ring 410 closely support flange 320 to reach the effect that is tightly connected.Spring 600 is set on the link rod sleeve 300, and is held between the second end 120 and nut 400 of sliding sleeve 100.To be fixed to the seal groove 311 of link rod sleeve 300 by the sealing ring 500 that flexible material is processed.An end that is arranged with sealing ring 500 on the link rod sleeve 300 is set on the opening end 210 of thimble 200 and inserts in the second hole portion 133 of sliding sleeve 100.Press gag lever post 330 and continue to insert link rod sleeve 300 and eject and be fastened in the stopper slot 135 up to gag lever post 330.This moment, link rod sleeve 300 was connected to sliding sleeve 100 airtightly, and spring 600 two ends support nut 400 and sliding sleeve 100 respectively, and spring 600 in the raw or compressive state.
Be appreciated that gag lever post 330 is also non-telescoping in the radial direction, can be fixed to gag lever post 330 on the outer surface of body 310 through the mode that screws togather or weld behind the body 310 insertion sliding sleeves 100 with link rod sleeve 300 this moment again.Also can reach the effect that is tightly connected through the mode of interference fit between the inwall that also is appreciated that simultaneously sliding sleeve 100 and the inwall of link rod sleeve 300, sealing ring 500 also can be provided with at this moment.
Be appreciated that; After link rod sleeve 300 being inserted into sliding sleeve 100 and being sheathed on outside the thimble 200; Reach the state of air-tight fit between the outer surface for the flange 320 that makes link rod sleeve 300 and thimble 200 bodies 230, can between the outer surface of the inner surface of flange 320 and body 230, seal be set, as; Seal 700 as shown in Figure 2 is set, places the sealing effectiveness of device 10 integral body with further raising air conditioner refrigerant.
Refer again to Fig. 1 and Fig. 2, when adding to cold-producing medium in the air-conditioning system, the flexible pipe of cold-producing medium holding vessel is connected to the first end 110 of sliding sleeve 100, nut 400 is twisted to be connected to add low temperature valve.Before nut 400 is tightened, with connecting air-conditioning system and the ducted air emptying that adds low temperature valve 70, so that ducted gas pressure is less.At this moment, gag lever post 330 is positioned at stopper slot 135 near nut 400 1 sides, that is, in the rail portion 136, this moment thimble 200 the end face flush roughly of blind end 220 and link rod sleeve 300 flanges 320.Need to prove, receive in the process that adds on the low temperature valve 70 in that nut 400 is twisted, the blind end 220 of thimble 200 all the time not with valve inside 72 butts, therefore, can't cause cold-producing medium in the air-conditioning system through valve inside 72 to external leakage.
In conjunction with Fig. 6 and Fig. 7, when adding cold-producing medium, can open the cold-producing medium storage tank.After the cold-producing medium storage tank was opened, cold-producing medium was through in the first hole portion 132 that connects flexible pipe arrival sliding sleeve 100, and then, cold-producing medium gets in the second hole portion 133 of sliding sleeves 100 from its tangent plane 231 through the endoporus of thimble 200.At this moment; Can advance sliding sleeve 100 moves to thimble 200 toward the directions near valve inside 72 blind end 220 and valve inside 72 part that connects; Then clockwise rotate sliding sleeve 100; Make gag lever post 330 be arranged in the location division 137 of stopper slot 135, thereby sliding sleeve 100 is fixed on this position.At this moment, spring 600 is in compressive state.Thereby thimble 200 owing to connect with valve inside 72 backs down valve inside 72, the second hole portion 133 of sliding sleeve 100 therefore with inner the communicating of air-conditioner system.Because air-conditioning system is connected to the ducted air pressure that adds low temperature valve 70 and before nut 400 is tightened, is discharged from; Therefore; Ducted air pressure is less than the air pressure in the cold-producing medium storage tank; So, under the effect of pressure difference, cold-producing medium can enter into from the second hole portion 133 of sliding sleeve 100 and add low temperature valve 70.Simultaneously, the containing groove 221 on thimble 200 blind ends 220 is accommodated valve inside 72 in case air-stop gate core 72 skids and causes and can't cold-producing medium be added in the air-conditioning system smoothly.
When cold-producing medium add finish after, can rotate counterclockwise sliding sleeve 100, make gag lever post 330 move to and be positioned at location division 137 part that is connected with rail portion 136 by being arranged in location division 137.At this moment, reply under the active force of deformation at spring 600, sliding sleeve 100 is moved to the left, that is, to moving away from the direction that adds low temperature valve 70, drive thimble 200 and and then be moved to the left.Thimble 200 is butt valve inside 72 no longer therefore.Therefore, the valve inside 72 that adds low temperature valve 70 returns back to original position under the pressure of system and self spring pressure, and air-conditioning system is therefore unlikely to be connected with the cold-producing medium storage tank, at this moment, can close the cold-producing medium storage tank and stop to air-conditioning system interpolation cold-producing medium.
The air conditioner refrigerant of the utility model places device 10; Through the cooperation between sliding sleeve 100, link rod sleeve 300, nut 400 and the thimble 200; Make when adding cold-producing medium to air-conditioning; Space around the thimble 200 just can be in sealing state before thimble 200 abuts to valve inside 72, and, when adding, cold-producing medium finishes when storage tank withdrawn from from adding low temperature valve 70; Thereby thimble 200 can be in the space around it and break away from valve inside 72 under situation of sealing state earlier and make to place device 10 and add between the low temperature valve 70 and no longer be interconnected; So, can avoid leakage of refrigerant in placing the cold-producing medium process, cause polluting to the waste of cold-producing medium and to environment.
Should be understood that; More than be merely the preferred embodiment of the utility model; Can not therefore limit the claim of the utility model; Every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done, or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.
Claims (10)
1. an air conditioner refrigerant places device; Be used to connect the low temperature valve that adds of cold-producing medium storage tank and air-conditioner; It is characterized in that, comprise with said adding the nut that low temperature valve is connected, and the sliding sleeve of socket successively, link rod sleeve and thimble; Said sliding sleeve is connected with said thimble, can drive said thimble and in said link rod sleeve, slide; Said link rod sleeve is connected with said sliding sleeve air-tightness; Said thimble is the tubular setting; Have opening end, blind end and be formed at said opening end and said blind end between body; The opening end of said thimble is connected with said sliding sleeve; Said body inserts the endoporus of said link rod sleeve and communicates with said link rod sleeve endoporus, and said blind end connects and the corresponding said valve inside that adds low temperature valve with the endoporus air-tightness of said link rod sleeve.
2. air conditioner refrigerant as claimed in claim 1 places device; It is characterized in that; The endoporus of said sliding sleeve is step-like; And be provided with first screw thread away from a said side that adds low temperature valve on the hole wall of said endoporus, the opening end outer setting of said thimble has second screw thread that can be threaded with said first.
3. air conditioner refrigerant as claimed in claim 1 places device, it is characterized in that, said thimble body has symmetrically arranged tangent plane, and said tangent plane makes the endoporus of said thimble communicate with said link rod sleeve endoporus.
4. place device like claim 2 or 3 described air conditioner refrigerant, it is characterized in that said link rod sleeve is provided with at least one seal groove, said air conditioner refrigerant places device and also comprises the sealing ring adaptive with said seal groove.
5. air conditioner refrigerant as claimed in claim 4 places device; It is characterized in that; Said link rod sleeve also comprises at least one gag lever post that is arranged on its outer surface; Offer at least one stopper slot on the stack shell of said sliding sleeve, this stopper slot comprises an axially extended rail portion along this sliding sleeve, and said gag lever post is plugged in this stopper slot.
6. air conditioner refrigerant as claimed in claim 5 places device, it is characterized in that the L-shaped setting of said stopper slot also comprises the location division that vertical said rail portion is provided with.
7. air conditioner refrigerant as claimed in claim 6 places device, it is characterized in that, said link rod sleeve has the body that coats said thimble body and the flange of corresponding said thimble blind end, said flange in the form of a ring and its internal diameter greater than the internal diameter of said body.
8. air conditioner refrigerant as claimed in claim 7 places device, it is characterized in that, said nut has and is used for cooperating with said flange and in order to the retainer ring of spacing said link rod sleeve.
9. air conditioner refrigerant as claimed in claim 1 places device, it is characterized in that, the valve inside that the outside correspondence of the blind end of said thimble adds low temperature valve offers containing groove.
10. air conditioner refrigerant as claimed in claim 1 places device, it is characterized in that, said air conditioner refrigerant places device and also includes elastic component, and it is arranged between said nut and the said sliding sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220129175 CN202581981U (en) | 2012-03-30 | 2012-03-30 | Refrigerant adding device for air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220129175 CN202581981U (en) | 2012-03-30 | 2012-03-30 | Refrigerant adding device for air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202581981U true CN202581981U (en) | 2012-12-05 |
Family
ID=47251385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220129175 Expired - Fee Related CN202581981U (en) | 2012-03-30 | 2012-03-30 | Refrigerant adding device for air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202581981U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343793A (en) * | 2017-01-24 | 2018-07-31 | 中大冷冻材料股份有限公司 | Thimble joint structure |
| CN112013584A (en) * | 2020-09-07 | 2020-12-01 | 王学义 | Refrigerant adding device for air conditioner refrigeration and using method thereof |
| CN112969856A (en) * | 2018-11-09 | 2021-06-15 | 克诺尔商用车制动***有限公司 | Housing, compressor and compressor unit having such a housing |
-
2012
- 2012-03-30 CN CN 201220129175 patent/CN202581981U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343793A (en) * | 2017-01-24 | 2018-07-31 | 中大冷冻材料股份有限公司 | Thimble joint structure |
| CN108343793B (en) * | 2017-01-24 | 2019-08-09 | 中大冷冻材料股份有限公司 | Thimble joint structure |
| CN112969856A (en) * | 2018-11-09 | 2021-06-15 | 克诺尔商用车制动***有限公司 | Housing, compressor and compressor unit having such a housing |
| CN112013584A (en) * | 2020-09-07 | 2020-12-01 | 王学义 | Refrigerant adding device for air conditioner refrigeration and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20190330 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |