CN204004917U - Pressure duct bindiny mechanism - Google Patents

Pressure duct bindiny mechanism Download PDF

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Publication number
CN204004917U
CN204004917U CN201420426572.1U CN201420426572U CN204004917U CN 204004917 U CN204004917 U CN 204004917U CN 201420426572 U CN201420426572 U CN 201420426572U CN 204004917 U CN204004917 U CN 204004917U
Authority
CN
China
Prior art keywords
cutting ferrule
pipeline
ferrule
bindiny
shallow line
Prior art date
Application number
CN201420426572.1U
Other languages
Chinese (zh)
Inventor
崔国栋
路新龙
崔立滨
胡文宾
崔传义
Original Assignee
山东迅达化工集团有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 山东迅达化工集团有限公司 filed Critical 山东迅达化工集团有限公司
Priority to CN201420426572.1U priority Critical patent/CN204004917U/en
Application granted granted Critical
Publication of CN204004917U publication Critical patent/CN204004917U/en

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Abstract

The utility model relates to a kind of pressure duct bindiny mechanism, be particularly related to the pressure duct bindiny mechanism that a kind of cutting ferrule connects, comprise ferrule fitting, cutting ferrule, nut and pipeline, pipeline inserts in ferrule fitting, its periphery cover has cutting ferrule and nut, and cutting ferrule and ferrule fitting inner side join, and nut and ferrule fitting outside join, the pipeline external surface coordinating with cutting ferrule inner sealing surface is provided with shallow line, and cutting ferrule inner sealing surface is pressed in shallow line.The utility model can guarantee effective sealing, can solve the problem that pipeline is under high pressure easily deviate from again.

Description

Pressure duct bindiny mechanism

Technical field

The utility model relates to a kind of pressure duct bindiny mechanism, the pressure duct bindiny mechanism that particularly a kind of cutting ferrule connects.

Background technique

It is the common constituent element on liquid letter shoot road that cutting ferrule connects, have quick detachable replaceable, connect the features such as firm, good seal performance, easy care, apply comparatively extensive.

The connection of pipeline cutting ferrule generally includes ferrule fitting, cutting ferrule, nut, pipeline, during connection, pipeline is inserted to nut and cutting ferrule, insert ferrule fitting, nut is screwed on ferrule fitting, fastening nut, be fastened in the part of ferrule fitting one side, its internal surface compresses pipeline outer wall, and outer surface compresses ferrule fitting inwall, because the material of cutting ferrule is conventionally softer, can suitably be out of shape, thereby form effective sealing.

For cutting ferrule in pressure duct, connect, except sealing, also have the problem of cutting ferrule radial pull, no matter be overpressure or sometimes pipeline extruded from cutting ferrule or extract by the formed radial pull of other reason, thus the destruction of causing connection.During cutting ferrule connects, pipeline is pressed to such an extent that slightly attenuate by cutting ferrule conventionally, but some pipeline is harder because of material, and the degree that after being compressed by cutting ferrule, external diameter diminishes is lighter, or deformation extent is inadequate, is easy to pressurized or tension is deviate from.On the other hand, for obtaining good sealing effect, people by pipeline external surface polishing, are so also easy to make it when pressurized or tension, to deviate from conventionally.

Model utility content

According to above the deficiencies in the prior art, technical problem to be solved in the utility model is: a kind of pressure duct bindiny mechanism is provided, can guarantees effective sealing, can solve the problem that pipeline is under high pressure easily deviate from again.

Pressure duct described in the utility model bindiny mechanism, comprise ferrule fitting, cutting ferrule, nut and pipeline, pipeline inserts in ferrule fitting, its periphery cover has cutting ferrule and nut, cutting ferrule and ferrule fitting inner side join, nut and ferrule fitting outside join, and the pipeline external surface coordinating with cutting ferrule inner sealing surface is provided with shallow line, and cutting ferrule inner sealing surface is pressed in shallow line.

Because the material of high pressure pipe line is harder, the material of cutting ferrule is softer, under nut progradation, cutting ferrule is squeezed and produces distortion, the sealing surface of cutting ferrule internal surface is pressed in the shallow line of pipeline, thereby form the sealing configuration of cutting ferrule and the mutual interlock of shallow line, formed on the one hand good sealing, shallow line provides axial coupling mechanism force on the other hand, while producing larger pulling force or stress in the pipeline of high pressure, shallow line can be avoided pipeline and cutting ferrule slippage, thereby has solved the problem that under high pressure, traditional cutting ferrule connecting tube is easily deviate from.

Described shallow line is the helical groove of arranging along pipeline axial, and helical groove can obtain larger occlusal contact area, and axial locking performance is good.

Described shallow line is annular groove, and shallow line arranges at least one along pipeline axial, both can arrange together, also can arrange multiple tracks, and concrete quantity can be selected according to actual conditions.

The described shallow line degree of depth is 10~100 μ m, preferably 10~50 μ m.

Described shallow line width is 50~80 μ m.

Described shallow line cross section is rectangle, triangle or trapezoidal, also can adopt other polygonal or abnormally-structured, guarantees the interlock dynamics of shallow line.

Described shallow line cross section is semicircle or fan-shaped.

During use, by cutting ferrule and nut sleeve on pipeline, pipeline is inserted in ferrule fitting, pipeline front end is stuck in the shoulder place of ferrule fitting, fastening nut, make nut and ferrule fitting locking, under the effect of nut propelling force, cutting ferrule is squeezed and produces distortion, arch upward in cutting ferrule outside, form external sealed with ferrule fitting, cutting ferrule inner side surface is pressed on pipeline, wherein, the place that cutting ferrule contacts with shallow line produces and is out of shape and embeds in shallow line, form the structure of mutual interlock, both reached sealing effect, can prevent that again pipeline under high pressure deviating from.

Compared with prior art, the beneficial effect the utlity model has is:

This pressure duct bindiny mechanism, by shallow line is set at pipeline external surface, forms shallow line and cutting ferrule and is connected, and has both guaranteed the sealing of pipeline, can provide axial coupling mechanism force again, avoids pipeline under high pressure by deviating from cutting ferrule, to guarantee the reliability connecting.

Accompanying drawing explanation

Fig. 1 is the utility model structural representation;

Fig. 2 is A place enlarged view in Fig. 1;

Fig. 3 is another embodiment's schematic diagram of shallow line.

In figure: 1, ferrule fitting; 2, pipeline; 3, nut; 4, cutting ferrule; 201, shallow line; 401, front cutting ferrule; 402, rear cutting ferrule.

Embodiment

Below in conjunction with accompanying drawing, embodiment of the present utility model is further described.

Embodiment 1:

As shown in Fig. 1~2, this pressure duct bindiny mechanism comprises ferrule fitting 1, cutting ferrule 4, nut 3 and pipeline 2, cutting ferrule 4 can be single deck tape-recorder cover or double card cover, this cutting ferrule 4 is double card cover, comprise front cutting ferrule 401 and rear cutting ferrule 402, pipeline 2 inserts in ferrule fitting 1, its periphery cover has front cutting ferrule 401, rear cutting ferrule 402 and nut 3, cutting ferrule 4 joins with ferrule fitting 1 inner side, nut 3 joins with ferrule fitting 1 outside, pipeline 2 outer surfaces that coordinate with cutting ferrule 4 inner sealing surfaces are provided with shallow line 201, shallow line 201 is annular groove, shallow line 201 is along pipeline 2 axial arranged at least one, also can arrange multiple tracks, concrete quantity can be selected according to actual conditions.Shallow line 201 degree of depth are 10~100 μ m, preferred 10~50 μ m, and its width is 50~80 μ m.Cutting ferrule 4 inner sealing surfaces are pressed in shallow line 201.

Shallow line 201 cross sections are rectangle, triangle or trapezoidal, also can adopt other polygonal or abnormally-structured.

During use, by nut 3, rear cutting ferrule 402, front cutting ferrule 401 is enclosed within on pipeline 2 successively, pipeline 2 is inserted in ferrule fitting 1, pipeline 2 front ends are stuck in the shoulder place of ferrule fitting 1, fastening nut 3, make nut 3 and ferrule fitting 1 locking, under nut 3 propelling force effects, cutting ferrule 4 is squeezed and produces distortion, arch upward in cutting ferrule 4 outsides, form external sealed with ferrule fitting 1, cutting ferrule 4 inner side surfaces are pressed on pipeline 2, wherein, the place that front cutting ferrule 401 contacts with shallow line 201 produces and is out of shape and embeds in shallow line 201, form the structure of mutual interlock, both reached sealing effect, can prevent that again pipeline 2 under high pressure deviating from.

Embodiment 2:

Shallow line 201 is the helical groove along pipeline 2 axially-aligned, and all the other are with embodiment 1.

Embodiment 3:

As shown in Figure 3, shallow line 201 cross sections are semicircle or fan-shaped, and all the other are with embodiment 1 or 2.

Claims (7)

1.Yi Zhong pressure duct bindiny mechanism, comprise ferrule fitting (1), cutting ferrule (4), nut (3) and pipeline (2), pipeline (2) inserts in ferrule fitting (1), its periphery cover has cutting ferrule (4) and nut (3), cutting ferrule (4) joins with ferrule fitting (1) inner side, nut (3) joins with ferrule fitting (1) outside, it is characterized in that: pipeline (2) outer surface coordinating with cutting ferrule (4) inner sealing surface is provided with shallow line (201), and cutting ferrule (4) inner sealing surface is pressed in shallow line (201).
2. pressure duct according to claim 1 bindiny mechanism, is characterized in that: described shallow line (201) is the helical groove along pipeline (2) axially-aligned.
3. pressure duct according to claim 1 bindiny mechanism, is characterized in that: described shallow line (201) is annular groove, and shallow line (201) is along pipeline (2) axial arranged at least one.
4. according to the pressure duct bindiny mechanism described in claim 1,2 or 3, it is characterized in that: described shallow line (201) degree of depth is 10~100 μ m.
5. according to the pressure duct bindiny mechanism described in claim 1,2 or 3, it is characterized in that: described shallow line (201) width is 50~80 μ m.
6. according to the pressure duct bindiny mechanism described in claim 1,2 or 3, it is characterized in that: described shallow line (201) cross section is rectangle, triangle or trapezoidal.
7. according to the pressure duct bindiny mechanism described in claim 1,2 or 3, it is characterized in that: described shallow line (201) cross section is for semicircle or fan-shaped.
CN201420426572.1U 2014-07-30 2014-07-30 Pressure duct bindiny mechanism CN204004917U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420426572.1U CN204004917U (en) 2014-07-30 2014-07-30 Pressure duct bindiny mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420426572.1U CN204004917U (en) 2014-07-30 2014-07-30 Pressure duct bindiny mechanism

Publications (1)

Publication Number Publication Date
CN204004917U true CN204004917U (en) 2014-12-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420426572.1U CN204004917U (en) 2014-07-30 2014-07-30 Pressure duct bindiny mechanism

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CN (1) CN204004917U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104913175A (en) * 2015-06-24 2015-09-16 山东钢铁股份有限公司 Grease gun for electric grease pump
CN105715879A (en) * 2016-03-02 2016-06-29 浙江天庆管业有限公司 Anti-looseness connection structure for pipeline
CN109282093A (en) * 2018-08-17 2019-01-29 弗通流体科技(上海)有限公司 Squash type pipe connection system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104913175A (en) * 2015-06-24 2015-09-16 山东钢铁股份有限公司 Grease gun for electric grease pump
CN105715879A (en) * 2016-03-02 2016-06-29 浙江天庆管业有限公司 Anti-looseness connection structure for pipeline
CN105715879B (en) * 2016-03-02 2019-02-22 浙江天庆管业有限公司 A kind of anti-loosing connecting structure of pipeline
CN109282093A (en) * 2018-08-17 2019-01-29 弗通流体科技(上海)有限公司 Squash type pipe connection system

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GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141210

Termination date: 20150730