CN202901648U - Water-measurement airtight connector special for compressor - Google Patents
Water-measurement airtight connector special for compressor Download PDFInfo
- Publication number
- CN202901648U CN202901648U CN 201220496267 CN201220496267U CN202901648U CN 202901648 U CN202901648 U CN 202901648U CN 201220496267 CN201220496267 CN 201220496267 CN 201220496267 U CN201220496267 U CN 201220496267U CN 202901648 U CN202901648 U CN 202901648U
- Authority
- CN
- China
- Prior art keywords
- spring
- chuck
- inner sleeve
- overcoat
- seal ring
- 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 - Fee Related
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Abstract
The utility model discloses a water-measurement airtight connector special for a compressor. The water-measurement airtight connector special for the compressor comprises an outer sleeve, an inner sleeve, and an upper cover, wherein the outer sleeve is provided with a containing cavity, a clamp head is arranged at the lower end of the containing cavity, an air outlet cavity is arranged inside the clamp head, a hollow connection part is formed at the lower end of the inner sleeve in a protruding mode, an air inlet cavity and a spring containing cavity are arranged inside the inner sleeve, the hollow connection part is connected with the clamp head, a hollow spring fixing seat is arranged inside the spring containing part, the upper end of the spring fixing seat is connected with a first spring, an abutting surface is arranged on the outer surface of the upper end of the inner sleeve, a second spring is sleeved on the outer surface of the inner sleeve, the upper end of the second spring abuts against the abutting surface, the lower end of the second spring abuts against the upper end of the outer sleeve, and the lower end of the upper cover is in threaded connection with the upper end of the inner sleeve. The water-measurement airtight connector special for the compressor has the advantages that the clamping head is connected and clamped tightly with a copper pipe, the dangerous accidents caused by uptight clamping between the clamping head and the capper pipe are avoided, and an expansion opening arc position of the copper pipe is rightly matched and clamped tightly with the clamping head, so that the copper pipe is not damaged by clamping.
Description
[technical field]
The utility model relates to air tight joint, relates in particular to a kind of compressor dedicated water and surveys air tight joint.
[background technique]
Rapid pipe joint, it is a kind of joint that does not need instrument just can realize pipeline connection or disconnection, this joint is convenient to use, is widely used in hydraulic pressure or the pneumatic circuit, and wherein compressor also needs to be connected with pipeline by rapid pipe joint in use, and the rapid pipe joint that existing compressor is used, its complex structure, use are relatively inconvenient, and tightness is bad, in addition, easily crush copper pipe during use, and when pressure is excessive, also easily above compressor, come off and cause dangerous accident.
[model utility content]
The purpose of this utility model is effectively to overcome the deficiency of above-mentioned technology, provides a kind of compressor dedicated water simple in structure, esy to use, safe and reliable to survey air tight joint.
The technical solution of the utility model is achieved in that a kind of compressor dedicated water survey air tight joint, and it comprises
One overcoat, described overcoat has a receiving cavity, and the lower end of described receiving cavity is provided with a chuck, is provided with outlet chamber in the described chuck;
One inner sleeve, the lower end of described inner sleeve is protruded and is formed with a hollow joint, the inside of described inner sleeve is provided with air-inlet cavity and spring receiving cavity from top to bottom successively, described hollow joint is connected with described chuck, the inwall of described air-inlet cavity is provided with internal thread, described spring receiving cavity communicates with the cavity of described hollow joint, and be provided with the spring fixed seat of a hollow in the spring accommodating part, the upper end of spring fixed seat connects one first spring, and the spring fixed seat lower end passes the hollow joint and described chuck offsets;
The upper end outer surface of described inner sleeve is provided with an abutment facing, is arranged with one second spring in the outer surface of described inner sleeve, and the upper end of the second spring and described abutment facing offset, and the lower end of the second spring and the upper end of described overcoat offset;
One loam cake, the lower end of described loam cake is protruded and is formed with a connecting end, and the outer surface of connecting end is provided with outside thread, and described connecting end is connected by described internal and external screw thread with described interior set upper side, and the upper end of the first spring and described connecting end offset.
The below further sets forth technique scheme:
The bottom of the receiving cavity of described overcoat is provided with a conical limit face, and the outer surface of upper of described chuck is conical surface, and chuck is removable between primary importance and the second place; When chuck is in primary importance, described the second spring in the raw, the rear surface of chuck flushes with described overcoat rear surface, when chuck is in the second place, described the second spring-compressed, the lower end of chuck is stretched out by described overcoat lower end, and the conical outer surface of chuck upper end and the conical limit face of described overcoat lower surface fit.
The circumferential surface of described spring fixed seat is provided with the first seal ring receiving groove, is provided with the first seal ring in described the first seal ring receiving groove, and the inwall of described the first seal ring and described inner sleeve medi-spring receiving cavity offsets.
Described inner sleeve upper end face is provided with the second seal ring receiving groove, is provided with the second seal ring in described the second seal ring receiving groove.
Described spring fixed seat lower end is provided with a sealing seat receiving cavity, is provided with a hollow sealing seat in the described sealing seat receiving cavity.
Described joint is provided with snap ring, and the outlet chamber inwall of described chuck is provided with draw-in groove, and described snap ring is connected in the described draw-in groove.
Described chuck is six-paw type chuck or four-jaw type chuck.
The beneficial effects of the utility model are: one, the utility model push away overcoat along the second spring-compressed direction, the second spring-compressed then, and the inwall of the lower end edge overcoat receiving cavity of inner sleeve moves in the opposite direction, at this moment, the chuck that is connected in the inner sleeve lower end is stretched out by the overcoat lower end, chuck is connected clamping to be got final product with copper pipe, it is convenient to use, and chuck is connected chucking firmly with copper pipe, the dangerous accident of avoiding chuck and copper pipe folder tightly not rebound and out cause, simultaneously, copper pipe enlarging circular arc place just cooperates chucking can not crush copper pipe with chuck; Two, chuck adopts six-paw type or four-jaw type chuck, and the pressure ratio test pressure that can bear will exceed 1 times, has improved the Security in using; The second seal ring that the first seal ring that three, arranges between spring fixed seat and the inner sleeve and inner sleeve upper end face arrange is so that the tightness of whole joint is better.
[description of drawings]
Fig. 1 is the utility model structural representation;
Among the figure: overcoat 1; Receiving cavity 101; Conical limit face 102; Inner sleeve 2; Hollow joint 201; Air-inlet cavity 202; Spring receiving cavity 203; Abutment facing 204; Snap ring 205; Loam cake 3; Chuck 4; Outlet chamber 401; Draw-in groove 402; Spring fixed seat 5; The first spring 6; The second spring 7; The first seal ring 8; The second seal ring 9; Hollow sealing seat 10.
[embodiment]
The utility model will be further described below in conjunction with drawings and Examples.
With reference to shown in Figure 1, the utility model has disclosed a kind of compressor dedicated water and has surveyed air tight joint, and it comprises an overcoat 1, an inner sleeve 2 and a loam cake 3, wherein, described overcoat 1 has a receiving cavity 101, and the lower end of described receiving cavity 101 is provided with a chuck 4, is provided with outlet chamber 401 in the described chuck 4.Better, described chuck 4 is six-paw type chuck or four-jaw type chuck, this six-paw type or four-jaw type chuck, and the pressure ratio test pressure that can bear will exceed 1 times, has improved the Security in using.
The lower end of inner sleeve 2 is protruded and is formed with a hollow joint 201, the inside of described inner sleeve 2 is provided with air-inlet cavity 202 and spring receiving cavity 203 from top to bottom successively, hollow joint 201 is provided with snap ring 205, outlet chamber 401 inwalls of described chuck 4 are provided with draw-in groove 402, described snap ring 205 is connected in the described draw-in groove 402, and hollow joint 201 is fixedly connected with described chuck 4.The inwall of described air-inlet cavity 202 is provided with internal thread, described spring receiving cavity 203 communicates with the cavity of described hollow joint 201, and be provided with the spring fixed seat 5 of a hollow in the spring accommodating part, the upper end of spring fixed seat 5 connects one first spring 6, and spring fixed seat 5 lower ends are passed hollow joint 201 and offseted with described chuck 4; The upper end outer surface of described inner sleeve 2 is provided with an abutment facing 204, outer surface in described inner sleeve 2 is arranged with one second spring 7, the upper end of the second spring 7 and described abutment facing 204 offset, the upper end of the lower end of the second spring 7 and described overcoat 1 offsets, when upwards promoting with inner sleeve 2 promotion downwards or with overcoat 1, can be so that 7 compressions of the second spring produce relative movement between inner sleeve 2 and the overcoat 1.
The lower end of loam cake 3 is protruded and is formed with a connecting end, the outer surface of connecting end is provided with outside thread, described connecting end is connected by described internal and external screw thread with described inner sleeve 2 upper ends, the upper end of the first spring 6 and described connecting end offset, during use, loam cake 3 backed out get final product rear directly being connected with interfaces for external devices etc.
Further, the bottom of the receiving cavity 101 of described overcoat 1 is provided with a conical limit face 102, and the outer surface of upper of described chuck 4 is conical surface, and when inner sleeve 2 with overcoat 1 relative movement occured, chuck 4 moved up and down between primary importance and the second place; When chuck 4 is in primary importance, described the second spring 7 in the raw, the rear surface of chuck 4 flushes with described overcoat 1 rear surface, when chuck 4 is in the second place, 7 compressions of described the second spring, the lower end of chuck 4 is stretched out by described overcoat 1 lower end, and the conical limit face 102 of the conical outer surface of chuck 4 upper ends and described overcoat 1 lower surface fits, at this moment, chuck 4 can be connected clamping with copper pipe.
Further, the circumferential surface of described spring fixed seat 5 is provided with the first seal ring receiving groove, be provided with the first seal ring 8 in described the first seal ring receiving groove, described the first seal ring 8 offsets with the inwall of described inner sleeve 2 medi-spring receiving cavities 203, guarantees good seal between spring fixed seat 5 and the inner sleeve 2.Described inner sleeve 2 upper end faces are provided with the second seal ring receiving groove, be provided with the second seal ring 9 in described the second seal ring receiving groove, when being connected with interfaces for external devices, the second seal ring 9 connects with interfaces for external devices, so that good seal between inner sleeve 2 upper ends and the interfaces for external devices.Described spring fixed seat 5 lower ends are provided with a sealing seat receiving cavity, are provided with a hollow sealing seat 10 in the described sealing seat receiving cavity.Because the seal action of the first seal ring 8, the second seal ring 9 and hollow sealing seat 10 so that whole joint has good hermetic seal effect, reaches gastight efficient, energy saving.
In sum, the utility model pushes away overcoat 1 along the second spring 7 compression directions, then the second spring 7 compressions, and the inwall of the receiving cavity 101 of the lower end edge overcoat 1 of inner sleeve 2 moves in the opposite direction, at this moment, the chuck 4 that is connected in inner sleeve 2 lower ends is stretched out by overcoat 1 lower end, chuck 4 is connected clamping to be got final product with copper pipe, it is convenient to use, and chuck 4 is connected chucking firmly with copper pipe, the dangerous accident of avoiding chuck 4 and copper pipe folder tightly not to rebound and out cause, simultaneously, copper pipe enlarging circular arc place just cooperates chucking can not crush copper pipe with chuck 4; In addition, chuck 4 adopts six-paw type or four-jaw type chucks 4, the pressure ratio test pressure that can bear will exceed 1 times, has improved the Security in using.
Described above only is preferred embodiment of the present utility model, and above-mentioned specific embodiment is not to restriction of the present utility model.In technological thought category of the present utility model, various distortion and modification can appear, and the retouching that all those of ordinary skill in the art make according to above description, revise or be equal to replacement, all belong to the scope that the utility model is protected.
Claims (7)
1. a compressor dedicated water is surveyed air tight joint, and it is characterized in that: it comprises
One overcoat, described overcoat has a receiving cavity, and the lower end of described receiving cavity is provided with a chuck, is provided with outlet chamber in the described chuck;
One inner sleeve, the lower end of described inner sleeve is protruded and is formed with a hollow joint, the inside of described inner sleeve is provided with air-inlet cavity and spring receiving cavity from top to bottom successively, described hollow joint is connected with described chuck, the inwall of described air-inlet cavity is provided with internal thread, described spring receiving cavity communicates with the cavity of described hollow joint, and be provided with the spring fixed seat of a hollow in the spring accommodating part, the upper end of spring fixed seat connects one first spring, and the spring fixed seat lower end passes the hollow joint and described chuck offsets;
The upper end outer surface of described inner sleeve is provided with an abutment facing, is arranged with one second spring in the outer surface of described inner sleeve, and the upper end of the second spring and described abutment facing offset, and the lower end of the second spring and the upper end of described overcoat offset;
One loam cake, the lower end of described loam cake is protruded and is formed with a connecting end, and the outer surface of connecting end is provided with outside thread, and described connecting end is connected by described internal and external screw thread with described interior set upper side, and the upper end of the first spring and described connecting end offset.
2. compressor dedicated water according to claim 1 is surveyed air tight joint, it is characterized in that: the bottom of the receiving cavity of described overcoat is provided with a conical limit face, the outer surface of upper of described chuck is conical surface, and chuck is removable between primary importance and the second place; When chuck is in primary importance, described the second spring in the raw, the rear surface of chuck flushes with described overcoat rear surface, when chuck is in the second place, described the second spring-compressed, the lower end of chuck is stretched out by described overcoat lower end, and the conical outer surface of chuck upper end and the conical limit face of described overcoat lower surface fit.
3. compressor dedicated water according to claim 1 is surveyed air tight joint, it is characterized in that: the circumferential surface of described spring fixed seat is provided with the first seal ring receiving groove, be provided with the first seal ring in described the first seal ring receiving groove, the inwall of described the first seal ring and described inner sleeve medi-spring receiving cavity offsets.
4. compressor dedicated water according to claim 1 is surveyed air tight joint, and it is characterized in that: described inner sleeve upper end face is provided with the second seal ring receiving groove, is provided with the second seal ring in described the second seal ring receiving groove.
5. compressor dedicated water according to claim 1 is surveyed air tight joint, and it is characterized in that: described spring fixed seat lower end is provided with a sealing seat receiving cavity, is provided with a hollow sealing seat in the described sealing seat receiving cavity.
6. compressor dedicated water according to claim 1 is surveyed air tight joint, and it is characterized in that: described joint is provided with snap ring, and the outlet chamber inwall of described chuck is provided with draw-in groove, and described snap ring is connected in the described draw-in groove.
7. each described compressor dedicated water is surveyed air tight joint according to claim 1-5, and it is characterized in that: described chuck is six-paw type chuck or four-jaw type chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220496267 CN202901648U (en) | 2012-09-26 | 2012-09-26 | Water-measurement airtight connector special for compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220496267 CN202901648U (en) | 2012-09-26 | 2012-09-26 | Water-measurement airtight connector special for compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202901648U true CN202901648U (en) | 2013-04-24 |
Family
ID=48122319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220496267 Expired - Fee Related CN202901648U (en) | 2012-09-26 | 2012-09-26 | Water-measurement airtight connector special for compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202901648U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103851288A (en) * | 2014-03-31 | 2014-06-11 | 朗安（天津）科技发展有限公司 | General clamping jaw type connector |
| CN108953809A (en) * | 2018-09-07 | 2018-12-07 | 王利军 | A kind of quick coupling for leak detection |
-
2012
- 2012-09-26 CN CN 201220496267 patent/CN202901648U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103851288A (en) * | 2014-03-31 | 2014-06-11 | 朗安（天津）科技发展有限公司 | General clamping jaw type connector |
| CN108953809A (en) * | 2018-09-07 | 2018-12-07 | 王利军 | A kind of quick coupling for leak detection |
| CN108953809B (en) * | 2018-09-07 | 2024-02-02 | 王利军 | The method comprises the following steps of: for leakage quick connector for detection |
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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: 20130424 Termination date: 20150926 |
|
| EXPY | Termination of patent right or utility model |