CN103511767B - Assembling pipe joint - Google Patents
Assembling pipe joint Download PDFInfo
- Publication number
- CN103511767B CN103511767B CN201210203721.3A CN201210203721A CN103511767B CN 103511767 B CN103511767 B CN 103511767B CN 201210203721 A CN201210203721 A CN 201210203721A CN 103511767 B CN103511767 B CN 103511767B
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- CN
- China
- Prior art keywords
- cylindrical shell
- pressure valve
- fittings body
- flared tube
- inwall
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/0212—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L29/00—Joints with fluid cut-off means
Abstract
The invention provides a kind of assembling pipe joint, comprise fixed unit, the inwall of described fixed unit and the wall contacts of described pipeline; When described connection set is applied to flared tube, described connection set also comprises pressure valve and seal ring, and the inside of flared tube is stretched in one end of described pressure valve, described pressure valve is provided with the air inlet through hole of the inside towards described flared tube; Between the inwall that described seal ring is arranged on the cup-shaped mouth of pipe of described flared tube and described pressure valve.Assembling pipe joint structure of the present invention is simple, only needs deferent to be fixed closed for connection set, very easy to use, can enhance productivity, save production cost; Good seal performance, have employed seal ring and pressure valve combines, and pressure valve can make seal ring compress the inwall of the incline section of the cup-shaped mouth of pipe of flared tube, and such seal ring is not by the impact of flared tube spout diameter size change.
Description
Technical field
The present invention relates to connection device field, particularly relate to a kind of assembling pipe joint, this assembling pipe joint is particularly useful for carrying out charge operation to flared tube.
Background technique
In air-conditioning duct is produced and when relating to connection inflation or the shutoff of flared tube, adopt claw flared fitting or welding sealing cap at present, connect inflation or sealing purpose to reach.
Because such joint reaches seal request (see Fig. 1) by O type circle external diameter and double over inwall interference fit, to the dimension D of flared tube and claw card double over A size requirement higher, but often there is overgauge in flared tube workpiece D size in actual production processing, so that occur reaching seal request, thus cause refrigerant leakage, be difficult to reach good sealing effect, in addition, the mode that is connected and fixed of joint and flared tube is connected and fixed by claw, if deviation appears in claw card double over A size, claw just cannot be fixed by Snap joint.
The connection standard caliber that this joint is maximum at present can only accomplish ￠ 35, the connection of the flared tube of ￠ more than 35 just need weld sealing cap, need sealing cap to freeze after having inspected again, cause like this on flared tube and produce a large amount of solders, welding impurity, had a strong impact on the service property (quality) of workpiece.
Summary of the invention
Based on this, be necessary the problem for prior art, the assembling pipe joint that a kind of structure is simple, easy to use is provided.
Technological scheme of the present invention is as follows:
A kind of assembling pipe joint, comprises fixed unit, the inwall of described fixed unit and the wall contacts of described pipeline;
Described fixed unit comprises the first fittings body and the second fittings body;
Described first fittings body comprises the first cylindrical shell and second portion cylindrical shell;
Described first cylindrical shell is a hollow cylinder; Described second portion cylindrical shell is arranged on one end of described first cylindrical shell;
The side of described second fittings body and a side contacts of described second portion cylindrical shell, the opposite side of described second fittings body and the opposite side of second portion cylindrical shell in mating connection;
Described second fittings body and second portion cylindrical shell form a hollow cylinder;
The inwall of described second fittings body and the inwall of described second portion cylindrical shell and the outer wall shape of pipeline adapt.
Wherein in an embodiment, side in mating connection with described second fittings body on described second portion cylindrical shell is provided with projection, and side in mating connection with described second portion cylindrical shell on described second fittings body is provided with the groove corresponding with described projection.
Wherein in an embodiment, side in mating connection with described second portion cylindrical shell on described second fittings body is provided with projection, and side in mating connection with described second fittings body on described second portion cylindrical shell is provided with the groove corresponding with described projection.
Wherein in an embodiment, described projection is provided with the pin-and-hole that supply and marketing pin inserts, the corresponding position at the two ends of described groove is provided with the pin-and-hole that supply and marketing pin inserts.
Wherein in an embodiment, described connection set also comprises locking nut, and described locking nut is arranged on the outside of described first cylindrical shell, and the outer wall of described first cylindrical shell is provided with the outside thread matched with the screw thread of described locking nut.
Wherein in an embodiment, described locking nut internal surface comprises thread section and locking section, and after described locking nut coordinates with described first cylindrical shell, described locking section is wrapped in described second fittings body and second portion cylindrical shell is outside.
Wherein in an embodiment, described connection set is applied to flared tube, and the inwall of described second fittings body and the inwall of described second portion cylindrical shell are provided with the cup-shaped portion adapted with the outer wall shape of the cup-shaped mouth of pipe of described flared tube.
Wherein in an embodiment, described connection set also comprises pressure valve and seal ring;
One end of described pressure valve is stretched into the inside of flared tube through described first cylindrical shell and abuts with the inwall of the incline section of the cup-shaped mouth of pipe of described flared tube;
Described seal ring is arranged on the position that described pressure valve abuts with the incline section of the cup-shaped mouth of pipe of described flared tube, and the inwall of the incline section of the cup-shaped mouth of pipe of described seal ring and described flared tube is formed and seals;
Described pressure valve is provided with the air inlet through hole of the inside towards described flared tube.
Wherein in an embodiment, described pressure valve comprises valve body, first step, second step and holding part;
The first step of described pressure valve is arranged on the below of the valve body of described pressure valve, and the outer wall of described first step abuts with the inwall of the incline section of the cup-shaped mouth of pipe of described flared tube;
The second step of described pressure valve is arranged on the top of the valve body of described pressure valve; Described holding part is arranged on the top of described second step;
Described locking nut is set on the second step of described pressure valve, and the lower end surface of the horizontal component of described locking nut contacts with the step surface of the second step of described pressure valve.
Wherein in an embodiment, described connection set also comprises gland nut; The holding part of described pressure valve is provided with outside thread, and described gland nut is threaded with the holding part of described pressure valve.
Wherein in an embodiment, described seal ring, described pressure valve, described first cylindrical shell, described second portion cylindrical shell, described second fittings body and described air inlet through hole are all coaxially arranged.
The invention has the beneficial effects as follows:
1 assembling pipe joint structure of the present invention is simple, and only needing that the projection of connection set is snapped in groove can fix flared tube, very easy to use, can enhance productivity, save production cost;
2 assembling pipe joint good seal performance of the present invention, have employed seal ring and pressure valve combines, and pressure valve can make seal ring compress the inwall of the cup-shaped mouth of pipe incline section of flared tube, and such seal ring is not by the impact of flared tube spout diameter size change;
3 assembling pipe joints of the present invention have employed the first fittings body and second fittings body of opposite opened, do not affect, facilitate the installation and removal of flared tube during installation by the cup-shaped mouth of pipe height of flared tube, are convenient to maintenance and change;
4 assembling pipe joints of the present invention are inflated in flared tube by the air inlet through hole in pressure valve, fast convenient and simple.
Accompanying drawing explanation
Below in conjunction with concrete drawings and the specific embodiments, the present invention is further elaborated.
Fig. 1 is the schematic diagram of background technique part of the present invention;
Fig. 2 is the plan view of an embodiment of the first fittings body of assembling pipe joint of the present invention;
Fig. 3 is the A-A generalized section of the first fittings body shown in Fig. 2;
Fig. 4 is the plan view of an embodiment of the second fittings body of assembling pipe joint of the present invention;
Fig. 5 is the B-B generalized section of the second fittings body shown in Fig. 4;
Fig. 6 is the sectional view of an embodiment of assembling pipe joint of the present invention;
Fig. 7 is the sectional view of another embodiment of assembling pipe joint of the present invention;
Fig. 8 is the sectional view of the embodiment that assembling pipe joint of the present invention is combined with flared tube.
Embodiment
See Fig. 2 ~ Fig. 5, as a kind of embodiment, a kind of assembling pipe joint, comprises fixed unit, the inwall of described fixed unit and the wall contacts of described pipeline;
Described fixed unit comprises the first fittings body 4 and the second fittings body 5;
Described first fittings body comprises the first cylindrical shell 41 and second portion cylindrical shell 42;
Described first cylindrical shell is a hollow cylinder;
Described second portion cylindrical shell is arranged on one end of described first cylindrical shell;
The side 51 of described second fittings body contacts with the side 421 of the second portion cylindrical shell of described first fittings body, and the opposite side 52 of described second fittings body is in mating connection with the opposite side 422 of second portion cylindrical shell; That is the second fittings body and second portion cylindrical shell are opposite opened, the second fittings body and second portion cylindrical shell rear formation in mating connection entirety; The side 51 of the second fittings body can be opened.In the present embodiment, the side 51 of the second fittings body contacts with the side 421 of second portion cylindrical shell, that is the side 51 of the second fittings body and the side 421 of second portion cylindrical shell can adopt any openable mode to be connected, the side 51 of the second fittings body also only can contact with the side 421 of second portion cylindrical shell and not adopt any Placement, as long as the second fittings body and second portion cylindrical shell close the complete hollow cylinder of rear formation one.
Second fittings body and the complete hollow cylinder of second portion cylindrical shell rear formation one in mating connection, this hollow cylinder is identical with the external diameter of the first cylindrical shell; Facilitate manufacture and the use of whole connection set like this.In the present embodiment, second portion cylindrical shell is a semicylindrical body, and the second fittings body is a semicylindrical body.
The inwall of described second fittings body and the inwall of described second portion cylindrical shell all adapt with the outer wall shape of pipeline.That is the inner wall shape of whole fixing device all will adapt with the outer wall shape of pipeline, like this can better fixing tube, and fixed effect is by the impact of pipeline size variation.
In the present embodiment, in order to be fixed pipeline, have employed the first fittings body of opposite opened and the structure of the second fittings body combination, the second fittings body is opened and pipeline can be loaded, and the second fittings body closes after loading by pipeline, and pipeline is fixed.The inner wall shape of fixed unit and the outer wall shape of pipeline adapt simultaneously, and that is the inwall of fixed unit and the outer wall of pipeline agree with completely, and pipeline can well be fixed by such assembling pipe joint.Connection set in the present embodiment is particularly useful for the connection of the interface of the pipeline of the similar different-diameters such as flared tube, and connection set of the present invention is easy to dismounting, convenient for maintaining.
Preferably, as a kind of embodiment, see Fig. 3 and Fig. 5, side in mating connection with described second fittings body on described second portion cylindrical shell is provided with protruding 46, and side in mating connection with described second portion cylindrical shell on described second fittings body is provided with the groove 55 corresponding with described projection.Or, as a kind of embodiment, side in mating connection with described second portion cylindrical shell on described second fittings body is provided with projection, and side in mating connection with described second fittings body on described second portion cylindrical shell is provided with the groove corresponding with described projection.Protruding and draw-in groove can correspondingly be arranged, such second fittings body and second portion cylindrical shell in mating connection, mode in mating connection can be multiple, in order to ensure that rear connection set outer surface smoother in mating connection have employed mode that is protruding and groove in the present embodiment, also other Placements can be adopted
Preferably, as a kind of embodiment, see Fig. 3 and Fig. 5, described projection is provided with the pin-and-hole 47 that supply and marketing pin inserts, the corresponding position at the two ends of described groove is provided with the pin-and-hole 56 that supply and marketing pin inserts.In the present embodiment, the object arranging pin-and-hole and pin is to the second fittings body and second portion cylindrical shell be fixed further, and the size of pin-and-hole 47 and pin-and-hole 56 should be corresponding.
Preferably, as a kind of embodiment, see Fig. 7, described connection set also comprises locking nut 6, described locking nut is arranged on the outside of described first cylindrical shell, and the outer wall of described first cylindrical shell is provided with the outside thread 45 matched with the screw thread of described locking nut.The vertical portion 62 of described locking nut is threaded with fixed unit.The vertical portion of locking nut is enclosed within the outer surface of the second fittings body and second portion cylindrical shell.Arranging locking nut in the present embodiment is be fixed after being connected with the second fittings body by second portion cylindrical shell, and second portion cylindrical shell can not be separated with the second fittings body, guarantee that pipeline is fixed well, connection set can not come off.
Preferably, as a kind of embodiment, described locking nut internal surface comprises thread section 63 and locking section 64, and after described locking nut coordinates with described first cylindrical shell, described locking section is wrapped in described second fittings body and second portion cylindrical shell is outside.In the present embodiment, outside thread 45 screw-thread fit of described thread section 63 and the first cylinder body outer wall, and the section of locking 64 is wrapped in the outside of the second fittings body and second portion cylindrical shell.Such locking nut can ensure that second portion cylindrical shell is connected rear realization fixes with the second fittings body, makes the second fittings body can not depart from second portion cylindrical shell.
As one preferably mode of execution, connection set of the present invention is applied to flared tube, and the inwall of described second fittings body and the inwall of described second portion cylindrical shell are provided with the cup-shaped portion adapted with the outer wall shape of the cup-shaped mouth of pipe of flared tube.Flared tube has cup-shaped opening part, and the described cup-shaped mouth of pipe is the enlarging pipeline section part on flared tube, and see Fig. 6, the described cup-shaped mouth of pipe comprises incline section 211 and straight part 212.That is, the inwall of described second portion cylindrical shell is provided with the cup-shaped portion 43 adapted with the shape of the outer wall of the cup-shaped mouth of pipe 21 of flared tube; On the inwall of described second fittings body, the position corresponding with the inwall of second portion cylindrical shell is provided with the cup-shaped portion 53 adapted with the outer wall shape of the cup-shaped mouth of pipe of flared tube.After the second fittings body is connected with second portion cylindrical shell, the inside of the second fittings body and second portion cylindrical shell forms a complete cup-shaped portion.During use, by the wall contacts of the second fittings body and the cup-shaped portion of second portion cylindrical shell and the cup-shaped mouth of pipe of flared tube, flared tube is fixed.
The first fittings body in the present embodiment and the second fittings body are arranged on the outside of flared tube, the relevant position of the outer wall of the cup-shaped mouth of pipe with flared tube is provided with cup-shaped portion, flared tube well can be fixed like this, make connection set play better fixed effect.
Preferably, as a kind of embodiment, see Fig. 6 ~ Fig. 8, described connection set also comprises pressure valve 3 and seal ring 1;
One end of described pressure valve is stretched into the inside of flared tube 2 through described first cylindrical shell and abuts with the inwall of the incline section 211 of the cup-shaped mouth of pipe of described flared tube, described seal ring is arranged on the position that described pressure valve abuts against with the inwall of the incline section of the cup-shaped mouth of pipe of described flared tube, and the inwall of the incline section of the cup-shaped mouth of pipe of described seal ring and described flared tube is formed and seals; Described pressure valve is provided with the air inlet through hole 31 of the inside towards described flared tube.
In the present embodiment, flared tube inside is stretched in one end of pressure valve, and the other end of pressure valve, in the outside of flared tube, facilitates the operation of being inflated flared tube by pressure valve like this; The inwall of the incline section of one end stretching into flared tube inside of pressure valve and the cup-shaped mouth of pipe of flared tube abuts against, this abutted position of pressure valve is provided with seal ring, the inwall of the incline section of the cup-shaped mouth of pipe of seal ring and flared tube is formed and seals, instead of being arranged on the straight part of the cup-shaped mouth of pipe, the sealing effect of such seal ring is not by the impact of the internal diameter size of flared tube.
Connection set in the present embodiment, according to the structure of flared tube, make use of the shape of the cup-shaped mouth of pipe of flared tube, pressure valve one end being stretched into flared tube inside makes the incline section of the cup-shaped mouth of pipe of itself and flared tube abut against, the seal ring of pressure valve end can be pressed on the inwall of the incline section of the cup-shaped mouth of pipe by pressure valve, and the inwall of the incline section of seal ring and the cup-shaped mouth of pipe is formed and seals.The present embodiment seals at the incline section of the cup-shaped mouth of pipe, good seal ring effect can be ensured, when solving the sealing means in the past by seal ring and flared tube straight part inwall interference fit like this, sealing effect affects greatly by internal diameter size, the phenomenon that sealing effect is not good.Connection set simultaneously in the present embodiment can be inflated to flared tube inside by pressure valve, and corresponding seal ring is set in outside pressure valve.Assembling pipe joint of the present invention to flared tube good seal, and can carry out charge operation, and fixed unit serves flared tube and further supports and fixation simultaneously, the operation of convenient inflation.
Preferably, as a kind of embodiment, described pressure valve comprises valve body 32, first step 33, second step 34 and holding part 35; The first step of described pressure valve is arranged on the below of described valve body, and the outer wall of described first step abuts with the inwall of the incline section of the cup-shaped mouth of pipe of described flared tube; In the present embodiment, the diameter of first step is greater than the diameter of valve body; The second step of described pressure valve is arranged on the top of the valve body of described pressure valve; In the present embodiment, the diameter of second step is less than the diameter of pressure valve; Described locking nut is set on the second step of described pressure valve, and the lower end surface of the horizontal component 61 of described locking nut contacts with the step surface of the second step of described pressure valve.In the present embodiment, described seal ring is set on the periphery of first step, and stretches into the end face of one end of flared tube inside near pressure valve.
In the present embodiment, locking nut is arranged on the outside of the second step of pressure valve, such locking nut is just stuck on valve body, when tightening locking nut, the horizontal component 61 of locking nut drives pressure valve to move down, seal ring is pressed on the inwall of the incline section of the cup-shaped mouth of pipe of flared tube, thus realizes sealing, facilitate the use of connection set of the present invention.
Preferably, as a kind of embodiment, described connection set also comprises gland nut 7; The holding part 35 of described pressure valve is provided with outside thread, and described gland nut is threaded with the holding part of described pressure valve.Described gland nut is arranged on the top of locking nut, and that is gland nut contacts with the upper-end surface of the horizontal component 61 of locking nut, and the lower end surface of the horizontal component of locking nut contacts with fixed unit; In the present embodiment, the object arranging gland nut departs from fixing part and landing when preventing locking nut from rotating up.
Preferably, as a kind of embodiment, see Fig. 7, described pressure valve, described first cylindrical shell, described second portion cylindrical shell, described second fittings body, described air inlet through hole are all coaxially arranged.Described pressure valve, described first cylindrical shell, described second portion cylindrical shell, described second fittings body, described air inlet through hole all coaxially arrange and connection set of the present invention can be made like this to be easy to use and manufacture.
See Fig. 8, the using method of assembling pipe joint of the present invention is as follows: during unlatching, rotates up locking nut, locking nut and the second fittings body and second portion cylindrical shell is separated, and such second fittings body just can be opened; Then flared tube is put into the inside of the first fittings body, the outer wall of the cup-shaped mouth of pipe of flared tube and the cup-shaped portion of second portion cylindrical shell are adapted, now the second fittings body is closed; Be rotated down locking nut, the locking section of locking nut is made to be wrapped in the periphery of the second fittings body and second portion cylindrical shell, thus locking the second fittings body and second portion cylindrical shell, locking nut drives pressure valve to move down simultaneously, and the seal ring of pressure valve end just can be pressed on the inwall of the cup-shaped mouth of pipe of flared tube thus seal.
The above embodiment only have expressed several mode of execution of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (11)
1. an assembling pipe joint, comprises fixed unit, it is characterized in that, the inwall of described fixed unit and the wall contacts of described pipeline;
Described fixed unit comprises the first fittings body and the second fittings body;
Described first fittings body comprises the first cylindrical shell and second portion cylindrical shell;
Described first cylindrical shell is a hollow cylinder; Described second portion cylindrical shell is arranged on one end of described first cylindrical shell;
Described second fittings body and described second portion cylindrical shell are opposite opened, and a side contacts of the side of described second fittings body and described second portion cylindrical shell, the opposite side of described second fittings body and the opposite side of second portion cylindrical shell in mating connection;
Described second portion cylindrical shell is a semicylindrical body, and described second fittings body is a semicylindrical body; Described second fittings body and second portion cylindrical shell form a hollow cylinder;
The inwall of described second fittings body and the inwall of described second portion cylindrical shell and the outer wall shape of pipeline adapt.
2. connection set according to claim 1, it is characterized in that, side in mating connection with described second fittings body on described second portion cylindrical shell is provided with projection, and side in mating connection with described second portion cylindrical shell on described second fittings body is provided with the groove corresponding with described projection.
3. connection set according to claim 1, it is characterized in that, side in mating connection with described second portion cylindrical shell on described second fittings body is provided with projection, and side in mating connection with described second fittings body on described second portion cylindrical shell is provided with the groove corresponding with described projection.
4. the connection set according to Claims 2 or 3, is characterized in that, described projection is provided with the pin-and-hole that supply and marketing pin inserts, and the corresponding position at the two ends of described groove is provided with the pin-and-hole that supply and marketing pin inserts.
5. the connection set according to claims 1 to 3 any one, it is characterized in that, described connection set also comprises locking nut, and described locking nut is arranged on the outside of described first cylindrical shell, and the outer wall of described first cylindrical shell is provided with the outside thread matched with the screw thread of described locking nut.
6. connection set according to claim 5, it is characterized in that, described locking nut internal surface comprises thread section and locking section, and after described locking nut coordinates with described first cylindrical shell, described locking section is wrapped in described second fittings body and second portion cylindrical shell is outside.
7. connection set according to claim 5, it is characterized in that, described connection set is applied to flared tube, and the inwall of described second fittings body and the inwall of described second portion cylindrical shell are provided with the cup-shaped portion adapted with the outer wall shape of the cup-shaped mouth of pipe of described flared tube.
8. connection set according to claim 7, is characterized in that, described connection set also comprises pressure valve and seal ring;
One end of described pressure valve is stretched into the inside of flared tube through described first cylindrical shell and abuts with the inwall of the incline section of the cup-shaped mouth of pipe of described flared tube;
Described seal ring is arranged on the position that described pressure valve abuts with the incline section of the cup-shaped mouth of pipe of described flared tube, and the inwall of the incline section of the cup-shaped mouth of pipe of described seal ring and described flared tube is formed and seals;
Described pressure valve is provided with the air inlet through hole of the inside towards described flared tube.
9. connection set according to claim 8, is characterized in that, described pressure valve comprises valve body, first step, second step and holding part;
The first step of described pressure valve is arranged on the below of the valve body of described pressure valve, and the outer wall of described first step abuts with the inwall of the incline section of the cup-shaped mouth of pipe of described flared tube;
The second step of described pressure valve is arranged on the top of the valve body of described pressure valve; Described holding part is arranged on the top of described second step;
Described locking nut is set on the second step of described pressure valve, and the lower end surface of the horizontal component of described locking nut contacts with the step surface of the second step of described pressure valve.
10. connection set according to claim 9, is characterized in that, described connection set also comprises gland nut; The holding part of described pressure valve is provided with outside thread, and described gland nut is threaded with the holding part of described pressure valve.
11. connection sets according to claim 10, is characterized in that, described seal ring, described pressure valve, described first cylindrical shell, described second portion cylindrical shell, described second fittings body and described air inlet through hole are all coaxially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210203721.3A CN103511767B (en) | 2012-06-19 | 2012-06-19 | Assembling pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210203721.3A CN103511767B (en) | 2012-06-19 | 2012-06-19 | Assembling pipe joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103511767A CN103511767A (en) | 2014-01-15 |
| CN103511767B true CN103511767B (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210203721.3A Active CN103511767B (en) | 2012-06-19 | 2012-06-19 | Assembling pipe joint |
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| Country | Link |
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| CN (1) | CN103511767B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805480B (en) * | 2016-05-26 | 2018-01-16 | 盛瑞传动股份有限公司 | A kind of orifice sealing device |
| CN109580319B (en) * | 2019-01-18 | 2021-04-30 | 中国农业科学院兰州畜牧与兽药研究所 | Microbial limit detector for traditional Chinese medicine liquid sample |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0530778A2 (en) * | 1991-09-05 | 1993-03-10 | Shigeru Suzuki | Pipe connector |
| CN1145993A (en) * | 1995-06-30 | 1997-03-26 | 卡劳公司 | Radially engageable leakproof coupling |
| CN1697947A (en) * | 2004-02-07 | 2005-11-16 | 尖端恩普莱有限公司 | Fluid coupling device |
| CN201621396U (en) * | 2009-12-17 | 2010-11-03 | 卜莹 | Ferrule compressing type metal pipeline connector |
| CN201636460U (en) * | 2009-09-11 | 2010-11-17 | 奇瑞汽车股份有限公司 | Pipeline coupling device for low-pressure oil pipe of automobile steering power assisting system |
| CN202629392U (en) * | 2012-06-19 | 2012-12-26 | 珠海格力电器股份有限公司 | Pipeline connecting device |
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2012
- 2012-06-19 CN CN201210203721.3A patent/CN103511767B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0530778A2 (en) * | 1991-09-05 | 1993-03-10 | Shigeru Suzuki | Pipe connector |
| CN1145993A (en) * | 1995-06-30 | 1997-03-26 | 卡劳公司 | Radially engageable leakproof coupling |
| CN1697947A (en) * | 2004-02-07 | 2005-11-16 | 尖端恩普莱有限公司 | Fluid coupling device |
| CN201636460U (en) * | 2009-09-11 | 2010-11-17 | 奇瑞汽车股份有限公司 | Pipeline coupling device for low-pressure oil pipe of automobile steering power assisting system |
| CN201621396U (en) * | 2009-12-17 | 2010-11-03 | 卜莹 | Ferrule compressing type metal pipeline connector |
| CN202629392U (en) * | 2012-06-19 | 2012-12-26 | 珠海格力电器股份有限公司 | Pipeline connecting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103511767A (en) | 2014-01-15 |
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