CN100595461C - Compressed air fast pipe joint - Google Patents
Compressed air fast pipe joint Download PDFInfo
- Publication number
- CN100595461C CN100595461C CN200810063105A CN200810063105A CN100595461C CN 100595461 C CN100595461 C CN 100595461C CN 200810063105 A CN200810063105 A CN 200810063105A CN 200810063105 A CN200810063105 A CN 200810063105A CN 100595461 C CN100595461 C CN 100595461C
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- CN
- China
- Prior art keywords
- snap ring
- ring
- pipe joint
- driving member
- compressed air
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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.)
- Expired - Fee Related
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Abstract
The invention relates to a fast tube joint of a compressed air pipe, which comprises a joint pipe and a gland bush; the joint pipe and the gland bush are connected detachably by screw threads, and theend part of the joint pipe is provided with a snap ring base; the inner end of the snap ring base is inserted into the interior of the joint pipe and provided with a sealing ring, and pushes againstthe snap ring base; the inner ring of the sealing ring protrudes through the inside diameter of the snap ring base; the outer end face of the snap ring base is provided with an elastic snap ring whichis made of metal and comprises a ring body and claw teeth, and the claw teeth are flanged to the direction of the snap ring base and arranged on an inclined ring which is arranged on the opening of the snap ring base; the outer end of the elastic snap ring is provided with a push part, and two ends of the push parts respectively pushes against the elastic snap ring and a convex platform. When thefast tube jonit is used, the gland bush is screwed tightly, the convex platform on the gland bush oppresses the push part, and the push part oppresses the elastic snap ring to lead the claw teeth tobe propped; therefore, the claw teeth can grip the pipe to prevent the pipe from escaping. The fast tube joint is characterized by simple structure, convenient implementation and firm connection.
Description
Technical field
The present invention relates to a kind of quick coupling of compressed air hose.
Background technique
The existing pipe joint that is used to connect compressed air hose has multiple.Existing pipe joint exist a general problem be pipe after connection, pipe and joints connects insecure, axial displacement may occur between them.
For this reason, Chinese invention patent CN1200795 discloses a kind of equipment that a pipe is connected to a circle tube joint spare that is made of a front surface and an adapter sleeve, first segmentation of this adapter sleeve comprise be positioned at adapter piece on the detachable fixing device that is meshed of alignment device, axially comprise that in abutting connection with second segmentation of first segmentation end that is used to prevent to be inserted into the pipe in the sleeve pipe skids off and the device of the front surface of engagement tabs part simultaneously.Sleeve pipe has a built-in guiding hoop that is used for the end of guiding pipe, the internal diameter of this guiding hoop is equal to the external diameter of pipe substantially, this hoop comprises the first portion in second segmentation that is slidingly mounted on sleeve pipe and extends axially to the second portion of first segmentation of sleeve pipe, adapter piece has a groove that is formed in its front surface, this groove is used for when fixing device is meshing with each other, and holds the free end of the second portion that hoop stretches out and makes its centering.This patent has solved the connection of pipe, has the characteristics of easy accessibility.
Chinese invention patent CN1142583 discloses a kind of pipe coupling, also can avoid taking place the stress concentration phenomenon on the annular claw even wherein constantly put on from the external force of pipe.In the pipe coupling of this invention, annular claw forms the zigzag fashion with outer barbed portion and interior barbed portion.Annular claw has: a plurality of outer ring portion; A plurality of annular inner portion, each annular inner portion are arranged between the two adjacent outer ring portion; A plurality of attachment portions, each attachment portion is connected an end of annular inner portion with an end of outer ring portion.
Two kinds of above-mentioned pipe joints have all well solved the technological deficiency that may occur axial displacement between the pipe and joints.
Summary of the invention
In order to solve the technological deficiency that may occur axial displacement between the pipe and joints, purpose of the present invention provides a kind of new compressed air fast pipe joint, and this pipe joint has simple in structure, and it is convenient to implement, the characteristics that are connected firmly.
In order to realize above-mentioned purpose, what the present invention adopted is following technological scheme:
Compressed air fast pipe joint, this pipe joint comprises adaptor tube and gland, and gland is enclosed within on the adaptor tube, and gland is connected by screw thread is detachable with adaptor tube, and the termination portion of adaptor tube is provided with the snap ring seat; Adaptor tube inside is stretched in the inner of snap ring seat, and offsets with the snap ring seat and to be provided with seal ring, and the inner ring of seal ring protrudes the internal diameter setting of snap ring seat; The exterior edge face of snap ring seat is provided with metal snap ring, and snap ring comprises ring body and blade tooth, and blade tooth is to snap ring seat direction flange, and is provided with oblique circle at snap ring seat opening, and blade tooth is arranged on the oblique circle; The snap ring outer end is provided with driving member, and the inner and the snap ring of driving member offset, and the outer end of driving member offsets with the boss that is arranged on the gland; Screw then boss compressing driving member of gland, driving member compressing snap ring struts blade tooth, bites pipe and prevents that pipe from deviating from.
As a kind of optimized technical scheme, above-mentioned snap ring seat outer end is provided with bulge loop, and described snap ring is arranged in the groove of bulge loop formation, and the inner of driving member stretches into groove and snap ring offsets.Above-mentioned groove provides the space of a setting for snap ring, but there is a defective in this scheme, be exactly snap ring can't be located in groove, snap ring can rotate with pipe.Certainly, if limit stoper is set, just can solve above-mentioned technical problem in groove, limit stoper can be varied, and this is basic general knowledge.
Simultaneously, in order to solve the technical problem that above-mentioned snap ring rotates with pipe, the present invention also can adopt another technological scheme.Be provided with some axially extended locating columns in snap ring seat outer end, the outer ring of described snap ring is provided with and the same number of positioning port of locating column, and on the circle of driving member also corresponding being provided with and the same number of locating slot of locating column, described locating column passes positioning port and is arranged in the locating slot.
As preferably, the inner ring of above-mentioned technological scheme middle joint pipe is circumferentially with some axial raised lines, is provided with packing ring in the outer end of raised line, and described seal ring is arranged on the packing ring.Packing ring provides the space for the setting of seal ring, and axial raised line has enough intensity again.
Certainly as the scheme of most convenient, can be provided with annular boss, described seal ring is arranged on the annular boss, but the intensity that exists annular boss may be not enough at the inner ring of above-mentioned adaptor tube.
As preferably, the interior edge face intermediate portion of driving member is provided with the taper platform of protrusion in the above-mentioned technological scheme, and the taper platform is against the inner ring of ring body.The taper platform can be located snap ring, oppresses snap ring as the strong point in the time of also operable, and blade tooth is strutted.
As preferably, the exterior circumferential of driving member is provided with some openings that radially are provided with in the above-mentioned technological scheme.Being provided with of opening made elastic structure with the outside of driving member, and when making the boss compressing driving member of gland, driving member has a buffering, and driving member is oppressed snap ring again struts blade tooth.
Outwards restrain formation round platform ring as driving member in preferred again, the above-mentioned technological scheme, described opening evenly is arranged on the circumferential of round platform ring, and described boss and round platform ring offset.
Pipe joint of the present invention is single-ended pipe joint or double-ended pipe joint.Also can be double end bend pipe pipe joint.Single-ended pipe joint can be used to connect air bells compressor, and double-ended pipe joint is all made above-mentioned structure with two and got final product.
The present invention screws gland in the time of use owing to adopted above technological scheme, the boss compressing driving member on the gland, and driving member compressing snap ring struts blade tooth, and blade tooth can be bitten pipe and prevent that pipe from deviating from.The present invention has simple in structure, and it is convenient to implement, the characteristics that are connected firmly.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.
Fig. 2 is the blast structural drawing of Fig. 1.
Fig. 3 is the structural representation of snap ring among Fig. 1.
Fig. 4 is an A-A sectional structure chart among Fig. 3.
Fig. 5 is the structural representation of driving member among Fig. 1.
Fig. 6 is a B-B sectional structure chart among Fig. 5.
The structural representation of Fig. 7 embodiment of the invention 2.
Fig. 8 is the structural representation of snap ring seat among Fig. 7.
Fig. 9 is a C-C sectional structure chart among Fig. 8.
Figure 10 is the structural representation of snap ring among Fig. 7.
Figure 11 is a D-D sectional structure chart among Figure 10.
Figure 12 is the structural representation of driving member among Figure 17.
Figure 13 is an E-E sectional structure chart among Figure 12.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is made a detailed explanation.
Compressed air fast pipe joint as shown in Figure 1 and Figure 2, this pipe joint comprise adaptor tube 1 and gland 2, and gland 2 is enclosed within on the adaptor tube 1, and gland 2 and adaptor tube 1 are by 12,23 detachable connections of screw thread, and the termination portion of adaptor tube 1 is provided with snap ring seat 5.The inside of adaptor tube 1 is stretched in the inner of snap ring seat 5, the inner ring of adaptor tube 1 is circumferentially with some axial raised lines 11, be provided with packing ring 3 in the outer end of raised line 11, be provided with seal ring 4 between packing ring 3 and snap ring seat 5, the inner ring of seal ring 4 protrudes the internal diameter setting of snap ring seat 5.
As shown in Figure 2, snap ring seat 5 outer ends are provided with bulge loop 51, and the groove 52 that bulge loop 51 forms on snap ring seat 5 is provided with metal snap ring 6 in the groove 52.As shown in Figure 3, Figure 4, snap ring 6 comprises ring body 61 and blade tooth 62, and blade tooth 62 is to snap ring seat 5 direction flange, and the flange angle is 60 °～85 °, and is provided with oblique circle 53 at the opening of snap ring seat 5, and blade tooth 62 is arranged on the oblique circle 53.
As shown in Figure 2, snap ring 6 outer ends are provided with driving member 7, and the inner of driving member 7 is stretched into groove 52 and offseted with snap ring 6.As Fig. 5, shown in Figure 6, the interior edge face intermediate portion of driving member 7 is provided with the taper platform 71 of protrusion, and taper platform 71 is against the inner ring of the ring body 61 of snap ring 6.Driving member 7 outwards convergence forms round platform ring 73, and the exterior circumferential of round platform ring 73 is provided with six openings 72 that radially are provided with.
As shown in Figure 2, port 21 places of gland 2 are provided with boss 22, and boss 22 offsets with the round platform ring 73 of driving member 7, when screwing gland 2, and boss 22 compressing driving members 7, driving member 7 compressing snap rings 6 strut blade tooth 62, bite pipe and prevent that pipe from deviating from.
The pipe joint of the foregoing description can be single-ended pipe joint or double-ended pipe joint, also can be double end bend pipe pipe joint.
Compressed air fast pipe joint as shown in Figure 7, this pipe joint comprise adaptor tube 1 and gland 2, and gland 2 is enclosed within on the adaptor tube 1, and gland 2 is connected by screw thread is detachable with adaptor tube 1, the termination portion of adaptor tube 1 be provided with snap ring seat 5 '.Snap ring seat 5 ' the inner stretch into adaptor tube 1 inside, the inner ring of adaptor tube 1 is circumferentially with some axial raised lines 11, be provided with packing ring 3 in the outer end of raised line 11, packing ring 3 and snap ring seat 5 ' between be provided with seal ring 4, the inner ring of seal ring 4 protrude snap ring seat 5 ' the internal diameter setting.
As Fig. 8, shown in Figure 9, snap ring seat 5 ' outer end be provided with some axially extended locating columns 51 ', locating column 51 ' be provided with snap ring 6 '.As Figure 10, shown in Figure 11, snap ring 6 ' comprise ring body 61 ' and blade tooth 62 ', blade tooth 62 ' to snap ring seat 5 ' direction flange, the flange angle is 60 °～85 °, snap ring 6 ' the outer ring be provided with locating column 51 ' the same number of positioning port 63 ', and snap ring seat 5 ' opening be provided with oblique circle 53 ', the oblique circle 53 of blade tooth 62 ' be arranged on ' on.
As shown in Figure 7 snap ring 6 ' outer end be provided with driving member 7 '.As shown in Figure 12 and Figure 13, driving member 7 ' the interior edge face intermediate portion be provided with the taper platform 71 of protrusion ', taper platform 71 ' be against snap ring 6 ' ring body 61 ' inner ring.Driving member 7 ' the outer ring on also corresponding be provided with locating column 51 ' the same number of locating slot 73 ', locating column 51 ' pass positioning port 63 ' be arranged on locating slot 73 ' in.
As shown in Figure 7, gland 2 is provided with boss 22, boss 22 and driving member 7 ' round platform ring 73 ' offset, when screwing gland 2, boss 22 compressing driving members 7 ', driving member 7 ' compressing snap ring 6 ' make blade tooth 62 ' strut is bitten pipe and is prevented that pipe from deviating from.
The pipe joint of the foregoing description can be single-ended pipe joint or double-ended pipe joint, also can be double end bend pipe pipe joint.
Claims (10)
1. compressed air fast pipe joint, it is characterized in that: this pipe joint comprises adaptor tube (1) and gland (2), gland (2) is enclosed within on the adaptor tube (1), and gland (2) and adaptor tube (1) are by screw thread (13,23) the detachable connection, and the termination portion of adaptor tube (1) is provided with snap ring seat (5); Adaptor tube (1) inside is stretched in the inner of snap ring seat (5), and offsets with snap ring seat (5) and to be provided with seal ring (4), and the inner ring of seal ring (4) protrudes the internal diameter setting of snap ring seat (5); The exterior edge face of snap ring seat (5) is provided with metal snap ring (6), snap ring (6) comprises ring body (61) and blade tooth (62), blade tooth (62) is to snap ring seat (5) direction flange, and is provided with oblique circle (53) at snap ring seat (5) opening, and blade tooth (62) is arranged on the oblique circle (53); Snap ring (6) outer end is provided with driving member (7), and the inner of driving member (7) and snap ring (6) offset, and the outer end of driving member (7) offsets with the boss (22) that is arranged on the gland (2); Screw then boss (22) compressing driving member (7) of gland (2), driving member (7) compressing snap ring (6) struts blade tooth (62), bites pipe and prevents that pipe from deviating from.
2. compressed air fast pipe joint according to claim 1, it is characterized in that: snap ring seat (5) outer end is provided with bulge loop (51), described snap ring (6) is arranged in the groove (52) of bulge loop (51) formation, and the inner of driving member (7) is stretched into groove (52) and offseted with snap ring (6).
3. compressed air fast pipe joint according to claim 1, it is characterized in that: snap ring seat (5 ') outer end is provided with some axially extended locating columns (51 '), the outer ring of described snap ring (6 ') is provided with and the same number of positioning port of locating column (51 ') (63 '), and on the circle of driving member (7 ') also corresponding be provided with the same number of locating slot of locating column (51 ') (73 '), described locating column (51 ') passes positioning port (63 ') and is arranged in the locating slot (73 ').
4. according to claim 1 or 2 or 3 described compressed air fast pipe joints, it is characterized in that: the inner ring of adaptor tube (1) is circumferentially with some axial raised lines (11), be provided with packing ring (3) in the outer end of raised line (11), described seal ring (4) is arranged on the packing ring (3).
5. according to claim 1 or 2 or 3 described compressed air fast pipe joints, it is characterized in that: the inner ring of adaptor tube (1) is provided with annular boss, and described seal ring (4) is arranged on the annular boss.
6. according to claim 1 or 2 or 3 described compressed air fast pipe joints, it is characterized in that: the interior edge face intermediate portion of driving member (7) is provided with the taper platform (71) of protrusion, and taper platform (71) is against the inner ring of ring body (61).
7. according to claim 1 or 2 or 3 described compressed air fast pipe joints, it is characterized in that: the exterior circumferential of driving member (7) is provided with some openings (72) that radially are provided with.
8. compressed air fast pipe joint according to claim 7, it is characterized in that: driving member (7) outwards convergence forms round platform ring (73), described opening (72) evenly is arranged on the circumferential of round platform ring (73), and described boss (22) offsets with round platform ring (73).
9. according to claim 1 or 2 or 3 described compressed air fast pipe joints, it is characterized in that: this pipe joint is single-ended pipe joint or double-ended pipe joint.
10. compressed air fast pipe joint according to claim 9 is characterized in that: this pipe joint is a double end bend pipe pipe joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810063105A CN100595461C (en) | 2008-07-10 | 2008-07-10 | Compressed air fast pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810063105A CN100595461C (en) | 2008-07-10 | 2008-07-10 | Compressed air fast pipe joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101328997A CN101328997A (en) | 2008-12-24 |
| CN100595461C true CN100595461C (en) | 2010-03-24 |
Family
ID=40204943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810063105A Expired - Fee Related CN100595461C (en) | 2008-07-10 | 2008-07-10 | Compressed air fast pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100595461C (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832434B (en) * | 2010-05-20 | 2011-10-19 | 龚岳强 | Connecting device of compressed air tube and application thereof |
| CN102588688A (en) * | 2012-03-26 | 2012-07-18 | 金日 | Plug-in pipe joint |
| CN203453660U (en) * | 2013-07-31 | 2014-02-26 | 广东美的制冷设备有限公司 | Air conditioner and disassembly preventing pipe connection device |
| CN103672255A (en) * | 2013-12-06 | 2014-03-26 | 徐军 | Universal pipeline fast connecting pipe fitting |
| CN103939693A (en) * | 2014-04-23 | 2014-07-23 | 唐学功 | Small-pipe-diameter rapid connector |
| CN104006246B (en) * | 2014-06-11 | 2015-12-02 | 乔耀兵 | Small-bore Quick connecting pipe angle |
| CN103994291A (en) * | 2014-06-11 | 2014-08-20 | 乔耀兵 | Fast connecting pipeline joint |
| CN104500894B (en) * | 2014-12-01 | 2017-07-14 | 林新德 | A kind of snap joint |
| CN106287048A (en) * | 2015-06-03 | 2017-01-04 | 大连凯斯博格设备制造有限公司 | A kind of can the pipe joint arrangement of Fast Installation |
| CN105114718B (en) * | 2015-09-15 | 2017-09-22 | 唐学功 | Compressed gas pipeline fast connector |
| CN105387301A (en) * | 2015-12-17 | 2016-03-09 | 浙江康帕斯流体输送技术有限公司 | Compressed air quick pipe joint |
| CN105351644A (en) * | 2015-12-17 | 2016-02-24 | 浙江康帕斯流体输送技术有限公司 | Compressed air pipe joint |
| CN107952846A (en) * | 2017-12-19 | 2018-04-24 | 张家港汉升机械科技有限公司 | A kind of double-headed tube bender |
-
2008
- 2008-07-10 CN CN200810063105A patent/CN100595461C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101328997A (en) | 2008-12-24 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100324 Termination date: 20170710 |