CN205118237U - Antiseized even rubber ring of ditch slot type coupling - Google Patents

Antiseized even rubber ring of ditch slot type coupling Download PDF

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Publication number
CN205118237U
CN205118237U CN201520902437.4U CN201520902437U CN205118237U CN 205118237 U CN205118237 U CN 205118237U CN 201520902437 U CN201520902437 U CN 201520902437U CN 205118237 U CN205118237 U CN 205118237U
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CN
China
Prior art keywords
cushion rubber
ring
rubber ring
pipe joint
peripheral
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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.)
Active
Application number
CN201520902437.4U
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Chinese (zh)
Inventor
张同虎
潘成飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANDONG LEDE MACHINERY CO Ltd
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SHANDONG LEDE MACHINERY CO Ltd
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.)
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Priority to CN201520902437.4U priority Critical patent/CN205118237U/en
Application granted granted Critical
Publication of CN205118237U publication Critical patent/CN205118237U/en
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Abstract

The utility model discloses an antiseized even rubber ring of ditch slot type coupling, including the rubber ring body, the both ends of rubber ring body respectively are equipped with and are annular end wall with the rubber ring body is even as an organic whole, convex cyclization lip in the end wall inward flange axial, spacer ring cloth has and to prevent on the inner peripheral surface of rubber ring body the ring lip with a plurality of archs or many protruding muscle of inner peripheral surface contact. This antiseized even rubber ring simple structure can bring to prevent to encircle lip and rubber ring body emergence adhesion and sealed effectual positive effect.

Description

Plough groove type pipe joint prevents adhesion cushion rubber
Technical field
The utility model relates to a kind of plough groove type pipe joint and to prevent adhesion cushion rubber.
Background technique
At present, the linkage structure of known plough groove type pipe joint as shown in Figure 1, comprises housing 1, cushion rubber 2, bolt 3 and nut; Cushion rubber 2 comprises cushion rubber body 6, and the two ends of cushion rubber body 6 are respectively provided with the end wall 7 be in the form of a ring connected as a single entity with cushion rubber body 6, convexes into ring lip 5 in described end wall 7 inward flange is axial.Placement and sealing principle are: cushion rubber being enclosed within two arm end band has on the pipe 4 of circular groove, in the circular groove then two housings being buckled in two pipe ends and with bolt, fastening nuts.Profile line due to the inner peripheral surface of ring lip 5 is the line of dip becoming to set angle with the axis of cushion rubber 2, when fluid is by pipeline, fluid matasomatism can produce radial component on the internal surface of ring lip 5, and this radial component compression ring lip 5 is adjacent to arm outer wall, can play self sealing action.Its deficiency of above-mentioned cushion rubber 2 is: when installing cushion rubber, under the extruding of pipe 4, easily cause the inner peripheral surface of the inner peripheral surface of ring lip 5 and cushion rubber body 6 to press together and stick together (rubber is autolyzed), fluid can not flow between ring lip 5 and cushion rubber body 6, thus makes ring lip 5 lose sealing and cause leakage.
Model utility content
The technical problems to be solved in the utility model is for above-mentioned defect, provide a kind of can the cushion rubber that prevents adhesion that sticks together of anti-stop ring lip and cushion rubber body inner peripheral surface.
For solving the problems of the technologies described above, the plough groove type pipe joint that the utility model provides a kind of following structure prevents adhesion cushion rubber, comprise cushion rubber body, the two ends of cushion rubber body are respectively provided with and are connected as a single entity with cushion rubber body and center portion is provided with the end wall of axial hole, convex into ring lip in described end wall inward flange is axial, its structural feature is: on the inner peripheral surface of described cushion rubber body, spacer ring is furnished with some projections or many convex tendons that can prevent described ring lip from contacting with described inner peripheral surface.
Described protruding axially spaced-apart is arranged to multi-turn, often encloses and is made up of spaced multiple projection.
Described projection and described convex tendon along cushion rubber body shaft to projection be the little pointed dentation of bottom enlarged head.
The outer circumferential face of described cushion rubber body is equipped with the ring muscle that many axially spaced-aparts along cushion rubber body are arranged.
After the utility model is connected with plough groove type pipe joint, even if its ring lip is by tube extrusion, also only can contact with protruding or convex tendon, when fluid flows through, fluid still can flow between ring lip and cushion rubber body by the gap between projection or the gap between convex tendon, hydrodynamic pressure still can act on the inner peripheral surface of ring lip, makes ring lip still have selfsealings, effectively can prevent pipe leakage.
The utility model is furnished with some projections or many simple like this settings of convex tendon by spacer ring on the inner peripheral surface of cushion rubber body, just goal of the invention can be reached, the utility model has the simple advantage of structure as can be seen here, anti-stop ring lip and cushion rubber body can be brought to stick together and the good effect of good sealing effect.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail:
Fig. 1 is the structural representation that existing cushion rubber connects for plough groove type pipe joint;
Fig. 2 is the structural representation of the first antiseized cushion rubber;
Fig. 3 is the sectional view along A-A line in Fig. 2;
Fig. 4 is the structural representation of the antiseized cushion rubber of the second;
Fig. 5 is the sectional view along B-B line in Fig. 4;
Fig. 6 is the structural representation that the first antiseized cushion rubber connects for plough groove type pipe joint;
Fig. 7 is the right elevation of Fig. 6.
Embodiment
The plough groove type pipe joint of the first structure prevents adhesion cushion rubber as shown in Figures 2 and 3, comprise cushion rubber body 1, the two ends of cushion rubber body 1 are respectively provided with the end wall 2 be connected as a single entity with cushion rubber body 1, the center portion of described end wall 2 is provided with axial through hole 10, convexes into ring lip 3 in described end wall 2 inward flange is axial.The profile line of described ring lip 3 inner peripheral surface is obliquely installed relative to the shaft axis of cushion rubber body 1.On the inner peripheral surface 4 of described cushion rubber body 1, spacer ring is furnished with can prevent described ring lip 3 from contacting with described inner peripheral surface 4 some protruding 5.Described protruding 5 axially spaced-aparts are arranged to multi-turn, often enclose and form by spaced multiple protruding 5, and the gap between the adjacent protrusion of every circle protruding 5 was liquid passage 7.Described protruding 5 is the little pointed dentation of bottom enlarged head along the projection of cushion rubber body 1 axis.The projection 5 of pointed dentation can reduce the area of contact with ring lip 3, to increase the sectional area of liquid passage 7, liquid can be made to enter fast between ring lip 3 and cushion rubber body 1, thus makes ring lip 3 fast onset self sealing action.The outer circumferential face 8 of described cushion rubber body 1 is equipped with the ring muscle 9 that many axially spaced-aparts along cushion rubber body are arranged.
The plough groove type pipe joint of the second structure prevents adhesion cushion rubber as shown in Figure 4 and Figure 5, comprise cushion rubber body 1, the two ends of cushion rubber body 1 are respectively provided with the end wall 2 be connected as a single entity with cushion rubber body 1, the center portion of described end wall 2 is provided with axial through hole 10, convexes into ring lip 3 in described end wall 2 inward flange is axial.On the inner peripheral surface 4 of described cushion rubber body 1, spacer ring is furnished with many convex tendons 6 that can prevent described ring lip 3 from contacting with described inner peripheral surface 4.Gap between adjacent convex tendon 6 was liquid passage 7.Described convex tendon 6 is the little pointed dentation of bottom enlarged head along the projection of cushion rubber body 1 axis.The convex tendon 6 of pointed dentation can reduce the area of contact with ring lip 3, to increase the sectional area of liquid passage 7, liquid can be made to enter fast between ring lip 3 and cushion rubber body 1, thus makes ring lip 3 fast onset self sealing action.The outer circumferential face 8 of described cushion rubber body 1 is equipped with the ring muscle 9 that many axially spaced-aparts along cushion rubber body are arranged.
Shown in Fig. 6 with Fig. 7 is the structural representation that the first antiseized cushion rubber is connected for plough groove type pipe joint, after cushion rubber is sleeved on the end of two pipe joints 14, two housings 11 is buckled in the circular groove on two pipe joints 14 also uses bolt 12, nut 13 fastening, just cushion rubber can be pressed on two pipe joints 14.Even if ring lip 3 pressurized in assembly process, also only can contact with protruding 5, and can not fit with cushion rubber body 1, once there be liquid to flow through in pipeline, liquid just can flow between ring lip 3 and cushion rubber body 1 from crossing liquid passage 7, hydraulic pressure still can act on the internal surface of inclination of ring lip 3, and the radial component of generation can make ring lip 3 and pipe joint 9 outer wall tightly fit, thus realizes selfsealings.In addition, the outer circumferential face of cushion rubber body 1 is light face, and two housings 11 is withheld in the process of cushion rubber, and cushion rubber compressive deformation easily enters the gap between two housings 11, thus affects cushion rubber and pipe joint 14 is combined closely, and causes sealing effect to be deteriorated; But be also provided with many ring muscle 9 on the outer circumferential face of cushion rubber body 1 after, though cushion rubber compressive deformation, the gap between two housings 11 can not be entered, cushion rubber and pipe joint 14 can be made to combine closely, to ensure sealing effect.The prevent adhesion usage mode of cushion rubber of the plough groove type pipe joint of the second structure is same as described above.

Claims (4)

1. a plough groove type pipe joint prevents adhesion cushion rubber, comprise cushion rubber body (1), the two ends of cushion rubber body (1) are respectively provided with and are connected as a single entity with cushion rubber body (1) and center portion is provided with the end wall (2) of axial hole, convex into ring lip (3) in described end wall (2) inward flange is axial, it is characterized in that: the upper spacer ring of inner peripheral surface (4) of described cushion rubber body (1) is furnished with some projections (5) or many convex tendons (6) that can prevent described ring lip (3) from contacting with described inner peripheral surface (4).
2. plough groove type pipe joint according to claim 1 prevents adhesion cushion rubber, it is characterized in that: described projection (5) axially spaced-apart is arranged to multi-turn, often encloses and be made up of spaced multiple projection (5).
3. plough groove type pipe joint according to claim 1 prevents adhesion cushion rubber, it is characterized in that: described projection (5) and described convex tendon (6) are the little pointed dentation of bottom enlarged head along the projection that cushion rubber body (1) is axial.
4. the plough groove type pipe joint according to claim 1,2 or 3 prevents adhesion cushion rubber, it is characterized in that: the outer circumferential face of described cushion rubber body (1) is equipped with the ring muscle that many axially spaced-aparts along cushion rubber body (1) are arranged.
CN201520902437.4U 2015-11-13 2015-11-13 Antiseized even rubber ring of ditch slot type coupling Active CN205118237U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520902437.4U CN205118237U (en) 2015-11-13 2015-11-13 Antiseized even rubber ring of ditch slot type coupling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520902437.4U CN205118237U (en) 2015-11-13 2015-11-13 Antiseized even rubber ring of ditch slot type coupling

Publications (1)

Publication Number Publication Date
CN205118237U true CN205118237U (en) 2016-03-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520902437.4U Active CN205118237U (en) 2015-11-13 2015-11-13 Antiseized even rubber ring of ditch slot type coupling

Country Status (1)

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CN (1) CN205118237U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106090478A (en) * 2016-07-27 2016-11-09 福建新通源复合材料科技有限公司 Combined labyrinth and carbon gland sleeve and manufacture method thereof for two pipelines of docking

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106090478A (en) * 2016-07-27 2016-11-09 福建新通源复合材料科技有限公司 Combined labyrinth and carbon gland sleeve and manufacture method thereof for two pipelines of docking

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