CN105371024A - Connector clamping sleeve assembly - Google Patents
Connector clamping sleeve assembly Download PDFInfo
- Publication number
- CN105371024A CN105371024A CN201510892918.6A CN201510892918A CN105371024A CN 105371024 A CN105371024 A CN 105371024A CN 201510892918 A CN201510892918 A CN 201510892918A CN 105371024 A CN105371024 A CN 105371024A
- Authority
- CN
- China
- Prior art keywords
- oil pipe
- hydraulic oil
- sealing area
- sealed department
- wall
- 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.)
- Pending
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Classifications
-
- 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
- F16L19/04—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 using additional rigid rings, sealing directly on at least one pipe end, which is flared either before or during the making of the connection
- F16L19/05—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 using additional rigid rings, sealing directly on at least one pipe end, which is flared either before or during the making of the connection with a rigid pressure ring between the screwed member and the exterior of the flared pipe end
Abstract
The invention discloses a connector clamping sleeve assembly. The connector clamping sleeve assembly comprises a connector body, a hydraulic oil pipe and a nut. The hydraulic oil pipe is sleeved with the connector body, and the end, connected with the hydraulic oil pipe, of the connector body is provided with an inner conical face connecting port; a movable groove is formed in the end, rightly facing the connector body, of the nut, a clamping sleeve is installed in the movable groove, and the inner wall of the clamping sleeve is attached to the outer circumferential wall of the hydraulic oil pipe; the clamping sleeve is composed of a buffering part and a sealing part, and the sealing part extends into the inner conical face connecting port in the axial direction of the clamping sleeve; annular spaces are formed between a first sealing face and a second sealing face as well as between the second sealing face and the hydraulic oil pipe, the first sealing face is tightly attached to the outer circumferential wall of the hydraulic oil pipe, and the annular space is retained between the second sealing face and the outer circumferential wall of the hydraulic oil pipe; the inner wall of a sealing part body is tightly attached to the outer circumferential wall of the hydraulic oil pipe; moreover, the side wall of the buffering part and an arc-shaped expanding part on the outer wall of the buffering part are tightly attached to the side wall of the movable groove, and the air impermeability of the clamping sleeve assembly under the condition of high temperature and high pressure is ensured.
Description
Technical field
The present invention relates to a kind of hydraulic tube, specifically refer to a kind of joint ferrule assemblies.
Background technique
Traditional hydraulic pipe joint sleeve structurally only has one to seal cutting edge, belong to metal contact seal, its function is when oil pipe and pipe joint assembly connection, tightening nuts, by the extruding of the hydraulic fitting body taper hole conical surface, make the cutting edge of hydraulic pipe joint sleeve cut oil pipe top layer and reach metal contact seal, if tightening nuts overexertion, hydraulic pipe joint sleeve cutting edge excessive incision damage oil pipe will be caused, cause hydraulic pipe joint sleeve to be broken; And the working pressure that traditional hydraulic pipe joint sleeve can bear is no more than 40Mpa, after exceeding, just hydraulic pipe joint sleeve break accident may be there is.
Traditional hydraulic pipe joint sleeve impact force and ocsillator strenght higher time and temperatures as high more than 100 DEG C and vibration frequency at more than 40Hz, pressure in more than 60Mpa and acidity, mine working environment, very easily be out of shape, ftracture and leak, working life is short, can not reach the job requirement that high-end hydraulic fitting pressure uses more than 100 DEG C and in the harsh and unforgiving environments of vibration frequency at more than 40Hz in more than 60Mpa, acidity, mine, temperature.
Summary of the invention
The object of the present invention is to provide a kind of joint ferrule assemblies, improve and be fastened in sealing under high temperature, condition of high voltage or reliability, break under avoiding being fastened in heavy duty and rugged environment, leak.
Object of the present invention is achieved through the following technical solutions:
A kind of joint ferrule assemblies, comprise joint body, hydraulic oil pipe and the nut with hydraulic oil pipe screw-thread fit, joint body is set on hydraulic oil pipe, inner conical surface interface is provided with at the connecting end of described joint body and hydraulic oil pipe, just loose slot is had to one end of described joint body at nut, cutting ferrule is arranged in loose slot and its inwall and hydraulic oil pipe outer circle wall are fitted, described cutting ferrule is made up of buffer part and sealed department, described buffer part is eyelet, the outer circle wall of buffer part is provided with radially outwardly and cross section is the enlarged portion of arc, the arc top of enlarged portion contacts with loose slot upper wall, described sealed department is connected with buffer part sidewall and axial direction along cutting ferrule extends in inner conical surface interface, extending end outer wall and the inner conical surface interface inwall of described sealed department adapt, the extending end inwall of sealed department is provided with primary sealing area and secondary sealing area, the inwall of sealed department body and hydraulic oil pipe are fitted, primary sealing area and annular space between secondary sealing area and hydraulic oil pipe, and the longitudinal cross-section of primary sealing area is horizontal plane, the longitudinal cross-section of secondary sealing area is the curved surface along cutting ferrule radially outward depression.
When the present invention works, regulating nut makes it to move along the axial direction of hydraulic oil pipe towards the direction near joint body, when the sidewall contact of the sidewall of loose slot and buffer part, nut moves on the outer circle wall that directly can drive and be fastened in hydraulic oil pipe and moves, now the extending end of sealed department starts to enter into inner conical surface interface, and keep the outer wall of extending end to match with inner conical surface interface inwall, due to primary sealing area and annular space between secondary sealing area and hydraulic oil pipe outer circle wall, and secondary sealing area is the curved surface along cutting ferrule radially outward depression, the active force that this curved surface himself is subject to after extruding can to intramedullary expansion, the simultaneously extending end of the sealed department deformation that can be moved in moving process, the outer circle wall of primary sealing area and hydraulic oil pipe is fitted completely, and then realize holding hydraulic oil pipe tightly, when the extending end of sealed department moves to its limit position, the mated condition of cutting ferrule and hydraulic oil pipe is, primary sealing area and hydraulic oil pipe outer circle wall fit tightly, annular space is kept between secondary sealing area and hydraulic oil pipe outer circle wall, inwall and the hydraulic oil pipe outer circle wall of sealed department body fit tightly, and the arc enlarged portion on the sidewall of buffer part and its outer wall fits tightly with the sidewall of loose slot respectively, namely cutting ferrule is achieved, sealing completely between joint body and nut three, ensure the tightness of joint ferrule assemblies under high-temperature and high-pressure conditions, break under avoiding being fastened in heavy duty and rugged environment, leak.Wherein, buffer part is eyelet, make can produce a certain amount of deformation when the extruding being subject to nut, the enlarged portion of its arc is extruded into and contacts with loose slot upper wall simultaneously, the lower end of buffer part then contacts with hydraulic oil pipe, not only can increase the cushioning effect to sealed department impact when nut moves, avoid the extension part of sealed department excessively to move impaired, the seal between cutting ferrule, joint body and nut three can also be improved further.
Also comprise seal ring, described seal ring is arranged in the annular space of secondary sealing area and hydraulic oil pipe.When the extending end of sealed department is stressed, the working stress that secondary sealing area is subject to is to intramedullary expansion, and then realize primary sealing area and holding tightly between sealed department body bottom surface and hydraulic oil pipe, simultaneously in the annular space of secondary sealing area and hydraulic oil pipe, seal ring is installed, utilize the elastic strain ability of seal ring secondary sealing area can be prevented there is excessive compressional deformation, to ensure the working stability of joint ferrule assemblies.
The tapering of described inner conical surface interface is 0.1 ~ 0.2.As preferably, the tapering of inner conical surface interface is set to 0.1 ~ 0.2, ensure that the extending end of sealed department enters into inner conical surface interface within a short period of time, ensure to have enough surface of contact to realize the maximum sealing effect in the first sealing stage between primary sealing area and hydraulic oil pipe outer circle wall simultaneously.
The present invention compared with prior art, has following advantage and beneficial effect:
1, buffer part of the present invention is eyelet, make can produce a certain amount of deformation when the extruding being subject to nut, the enlarged portion of its arc is extruded into and contacts with loose slot upper wall simultaneously, the lower end of buffer part then contacts with hydraulic oil pipe, not only can increase when nut moves the cushioning effect that sealed department impacts, avoid the extension part of sealed department excessively to move impaired, the seal between cutting ferrule, joint body and nut three can also be improved further;
2, the present invention is when the extending end of sealed department is stressed, the working stress that secondary sealing area is subject to is to intramedullary expansion, and then realize primary sealing area and holding tightly between sealed department body bottom surface and hydraulic oil pipe, simultaneously in the annular space of secondary sealing area and hydraulic oil pipe, seal ring is installed, utilize the elastic strain ability of seal ring secondary sealing area can be prevented there is excessive compressional deformation, to ensure the working stability of joint ferrule assemblies;
3, the tapering of inner conical surface interface is set to 0.1 ~ 0.2 by the present invention, ensure that the extending end of sealed department enters into inner conical surface interface within a short period of time, ensure to have enough surface of contact to realize the maximum sealing effect in the first sealing stage between primary sealing area and hydraulic oil pipe outer circle wall simultaneously.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the embodiment of the present invention, forms a application's part, does not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is structural representation of the present invention;
Mark and corresponding component title in accompanying drawing:
1-joint body, 2-hydraulic oil pipe, 3-inner conical surface interface, 4-sealed department, 5-seal ring, 6-buffer part, 7-nut, 8-primary sealing area, 9-secondary sealing area, 10-loose slot.
Embodiment
Clearly understand for making the object, technical solutions and advantages of the present invention, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and exemplary embodiment of the present invention and explanation thereof are only for explaining the present invention, not as a limitation of the invention.
Embodiment 1
As shown in Figure 1, the present embodiment comprises joint body 1, hydraulic oil pipe 2 and the nut 7 with hydraulic oil pipe 2 screw-thread fit, joint body 1 is set on hydraulic oil pipe 2, inner conical surface interface 3 is provided with the connecting end of hydraulic oil pipe 2 at described joint body 1, just loose slot 10 is had to one end of described joint body 1 at nut 7, cutting ferrule is arranged in loose slot 10 and its inwall and hydraulic oil pipe 2 outer circle wall are fitted, described cutting ferrule is made up of buffer part 6 and sealed department 4, described buffer part 6 is eyelet, the outer circle wall of buffer part 6 is provided with radially outwardly and cross section is the enlarged portion of arc, the arc top of enlarged portion contacts with loose slot 10 upper wall, described sealed department 4 is connected with buffer part 6 sidewall and extends in inner conical surface interface 3 along the axial direction of cutting ferrule, extending end outer wall and inner conical surface interface 3 inwall of described sealed department 4 adapt, the extending end inwall of sealed department 4 is provided with primary sealing area 8 and secondary sealing area 9, inwall and the hydraulic oil pipe 2 of sealed department 4 body are fitted, primary sealing area 8 and annular space between secondary sealing area 9 and hydraulic oil pipe 2, and the longitudinal cross-section of primary sealing area 8 is horizontal plane, the longitudinal cross-section of secondary sealing area 9 is the curved surface along cutting ferrule radially outward depression.
During work, regulating nut makes it to move along the axial direction of hydraulic oil pipe 2 towards the direction near joint body 1, when the sidewall contact of the sidewall of loose slot 10 and buffer part 6, nut 7 moves on the outer circle wall that directly can drive and be fastened in hydraulic oil pipe 2 and moves, now the extending end of sealed department 4 starts to enter into inner conical surface interface 3, and keep the outer wall of extending end to match with inner conical surface interface 3 inwall, due to primary sealing area 8 and annular space between secondary sealing area 9 and hydraulic oil pipe 2 outer circle wall, and secondary sealing area 9 is the curved surface along cutting ferrule radially outward depression, the active force that this curved surface himself is subject to after extruding can to intramedullary expansion, the simultaneously extending end of sealed department 4 deformation that can be moved in moving process, primary sealing area 8 is fitted completely with the outer circle wall of hydraulic oil pipe 2, and then realize holding hydraulic oil pipe 2 tightly, when the extending end of sealed department 4 moves to its limit position, the mated condition of cutting ferrule and hydraulic oil pipe 2 is, primary sealing area 8 and hydraulic oil pipe 2 outer circle wall fit tightly, annular space is kept between secondary sealing area 9 and hydraulic oil pipe 2 outer circle wall, inwall and hydraulic oil pipe 2 outer circle wall of sealed department 4 body fit tightly, and the arc enlarged portion on the sidewall of buffer part 6 and its outer wall fits tightly with the sidewall of loose slot 10 respectively, namely cutting ferrule is achieved, sealing completely between joint body 1 and nut 7 three, ensure the tightness of joint ferrule assemblies under high-temperature and high-pressure conditions, break under avoiding being fastened in heavy duty and rugged environment, leak.Wherein, buffer part 6 is eyelet, make can produce a certain amount of deformation when the extruding being subject to nut, the enlarged portion of its arc is extruded into and contacts with loose slot 10 upper wall simultaneously, the lower end of buffer part 6 then contacts with hydraulic oil pipe 2, not only can increase the cushioning effect to sealed department 4 impact when nut moves, avoid the extension part of sealed department 4 excessively to move impaired, the seal between cutting ferrule, joint body 1 and nut 7 three can also be improved further.
When the extending end of sealed department 4 is stressed, the working stress that secondary sealing area 9 is subject to is to intramedullary expansion, and then realize primary sealing area 8 and holding tightly between sealed department 4 body bottom surface and hydraulic oil pipe 2, in secondary sealing area 9 with the annular space of hydraulic oil pipe 2, seal ring 5 is installed simultaneously, utilize the elastic strain ability of seal ring 5 secondary sealing area 9 can be prevented there is excessive compressional deformation, to ensure the working stability of joint ferrule assemblies.
As preferably, the tapering of inner conical surface interface 3 is set to 0.1 ~ 0.2, ensure that the extending end of sealed department 4 enters into inner conical surface interface 3 within a short period of time, ensure to have enough surface of contact to realize the maximum sealing effect in the first sealing stage between primary sealing area 8 and hydraulic oil pipe 2 outer circle wall simultaneously.
Above-described embodiment; object of the present invention, technological scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. a joint ferrule assemblies, comprise joint body (1), hydraulic oil pipe (2) and the nut (7) with hydraulic oil pipe (2) screw-thread fit, joint body (1) is set on hydraulic oil pipe (2), it is characterized in that: be provided with inner conical surface interface (3) at described joint body (1) and the connecting end of hydraulic oil pipe (2), just loose slot (10) is had to one end of described joint body (1) at nut (7), cutting ferrule is arranged in loose slot (10) and its inwall and hydraulic oil pipe outer circle wall are fitted, described cutting ferrule is made up of buffer part (6) and sealed department (4), described buffer part (6) is eyelet, the outer circle wall of buffer part (6) is provided with radially outwardly and cross section is the enlarged portion of arc, the arc top of enlarged portion contacts with loose slot (10) upper wall, described sealed department (4) be connected with buffer part (6) sidewall and along the axial direction of cutting ferrule towards inner conical surface interface (3) in extend, extending end outer wall and inner conical surface interface (3) inwall of described sealed department (4) adapt, the extending end inwall of sealed department (4) is provided with primary sealing area (8) and secondary sealing area (9), inwall and the hydraulic oil pipe (2) of sealed department (4) body are fitted, primary sealing area (8) and annular space between secondary sealing area (9) and hydraulic oil pipe (2), and the longitudinal cross-section of primary sealing area (8) is horizontal plane, the longitudinal cross-section of secondary sealing area (9) is the curved surface along cutting ferrule radially outward depression.
2. a kind of joint ferrule assemblies according to claim 1, is characterized in that: also comprise seal ring (5), and described seal ring (5) is arranged on secondary sealing area (9) with in the annular space of hydraulic oil pipe (2).
3. a kind of joint ferrule assemblies according to claim 1, is characterized in that: the tapering of described inner conical surface interface (3) is 0.1 ~ 0.2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510892918.6A CN105371024A (en) | 2015-12-08 | 2015-12-08 | Connector clamping sleeve assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510892918.6A CN105371024A (en) | 2015-12-08 | 2015-12-08 | Connector clamping sleeve assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105371024A true CN105371024A (en) | 2016-03-02 |
Family
ID=55373473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510892918.6A Pending CN105371024A (en) | 2015-12-08 | 2015-12-08 | Connector clamping sleeve assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105371024A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB287314A (en) * | 1927-03-10 | 1928-03-22 | George Winter | Improvements in and relating to pipe joints |
| CN2307169Y (en) * | 1997-08-19 | 1999-02-10 | 陈以浙 | Collar joint |
| CN101539226A (en) * | 2009-04-27 | 2009-09-23 | 阮浩丰 | Cutting sleeve-type pipe joint |
| CN102889439A (en) * | 2011-07-21 | 2013-01-23 | 贵州工信机电科技有限公司 | Hydraulic pipe joint sleeve |
| CN205191014U (en) * | 2015-12-08 | 2016-04-27 | 四川海搏液压机械有限公司 | A connect cutting ferrule subassembly for hydraulic pressure pipe |
-
2015
- 2015-12-08 CN CN201510892918.6A patent/CN105371024A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB287314A (en) * | 1927-03-10 | 1928-03-22 | George Winter | Improvements in and relating to pipe joints |
| CN2307169Y (en) * | 1997-08-19 | 1999-02-10 | 陈以浙 | Collar joint |
| CN101539226A (en) * | 2009-04-27 | 2009-09-23 | 阮浩丰 | Cutting sleeve-type pipe joint |
| CN102889439A (en) * | 2011-07-21 | 2013-01-23 | 贵州工信机电科技有限公司 | Hydraulic pipe joint sleeve |
| CN205191014U (en) * | 2015-12-08 | 2016-04-27 | 四川海搏液压机械有限公司 | A connect cutting ferrule subassembly for hydraulic pressure pipe |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160302 |