CN102900847B - The cast pipe coating socket end Pneumatic rubber tyre plug with automatic compensation sealing effect - Google Patents
The cast pipe coating socket end Pneumatic rubber tyre plug with automatic compensation sealing effect Download PDFInfo
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- CN102900847B CN102900847B CN201210340348.6A CN201210340348A CN102900847B CN 102900847 B CN102900847 B CN 102900847B CN 201210340348 A CN201210340348 A CN 201210340348A CN 102900847 B CN102900847 B CN 102900847B
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- rubber tyre
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- inflatted rubber
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Abstract
The invention discloses the cast pipe coating socket end Pneumatic rubber tyre plug with automatic compensation sealing effect, it comprises Inflatted rubber tyre, valve cock; The sectional shape of Inflatted rubber tyre is " L " type, and the cavity that a built-in shape is identical, the exterior edge face A of Inflatted rubber tyre is provided with valve cock, and valve cock communicates with the cavity of Inflatted rubber tyre.When the present invention uses, be enclosed within the socket end of ductile iron pipe, the B face of Inflatted rubber tyre and C face are contacted with the external diameter of bulb and the end face of socket end respectively.When being filled with the pressurized air of 0.3 ~ 0.5Mpa by valve cock, the B face of Inflatted rubber tyre and the external diameter of bulb are held tightly, and sealing is then close to the end face of the socket end of bulb in the C face of Inflatted rubber tyre.Like this, when carrying out the coated lining of cement mortar to ductile iron pipe bulb inwall, Lou husky, spillage phenomenon would not be produced, make the coated ends interruption-forming of pipe fix neat chamfering, make the interior painting work one-time-reach-place of bulb.
Description
Technical field
The present invention relates to rubber product technical field, especially relate in ductile iron pipe centrifuge method a kind of frock used in mortar production technology of cementing.
Background technique
Ductile iron pipe, in manufacturing process, needs to utilize supercentrifugal process to carry out the coated lining of cement mortar to bulb inwall.The all kinds Pneumatic rubber tyre plug that past socket end uses, be all that Inflatted rubber tyre is fixed on pipeline socket end by metal frame, because of the small and dense envelope poor effect of contact force, in addition there is certain gap in the end face of Inflatted rubber tyre and socket end, therefore usually cause Lou husky, spillage, make the port of shutoff irregular.Like this, the port after interior painting also needs manually to carry out secondary repairing, and repair efficiency is bad, wastes manpower and materials.Further, traditional Inflatted rubber tyre also wants the metal frame of adapted heaviness in use, and during operation, the labor intensity of workman is larger.
Summary of the invention
Problem to be solved by this invention is to provide a kind of Pneumatic rubber tyre plug with automatic compensation sealing effect, when carrying out the coated lining of centrifuge method cement mortar to bulb inwall, it can seal up the socket end of bulb well, make the port of shutoff neat, do not need secondary to repair, save manpower and materials.Meanwhile, Pneumatic rubber tyre plug of the present invention is easy to operate, alleviates the labor intensity of workman.
The cast pipe coating socket end Pneumatic rubber tyre plug with automatic compensation sealing effect of the present invention, is characterized in that: it comprises Inflatted rubber tyre, valve cock; The sectional shape of Inflatted rubber tyre is " L " type, and the cavity that a built-in shape is identical, the exterior edge face A of Inflatted rubber tyre is provided with valve cock, and valve cock communicates with the cavity of Inflatted rubber tyre.
When the present invention uses, be enclosed within the socket end of ductile iron pipe, the B face of Inflatted rubber tyre and C face are contacted with the external diameter of bulb and the end face of socket end respectively.Because the cavity of Inflatted rubber tyre and Qi Nei is " L " type, when being filled with the pressurized air of 0.3 ~ 0.5Mpa by valve cock, the B face of Inflatted rubber tyre and the external diameter of bulb are held tightly, and sealing is then close to the end face of bulb socket end in the C face of Inflatted rubber tyre.(because Inflatted rubber tyre has certain flexibility, even if the end face of its C face and bulb socket end has gap at the beginning, but by compressed-air actuated dilatancy power after glue tire is filled with pressurized air, its C can carry out the auto-compensation sealed in the face of the gap of bulb socket end end face, thus make the C face of Inflatted rubber tyre and the end face of bulb socket end be close to sealing) therefore, this Pneumatic rubber tyre plug can not only be fixed on bulb socket end tightly, and the end face of socket end can also be made to be sealed well.Like this, when carrying out the coated lining of cement mortar to ductile iron pipe bulb inwall, Lou husky, spillage phenomenon would not be produced, make the coating port of pipe neat, make the interior painting work one-time-reach-place of bulb, do not need manually to carry out secondary repairing, both improve manufacturing efficiency, save manpower and materials, turn improve the quality of bulb.
Accompanying drawing explanation
Fig. 1 is use schematic diagram of the present invention;
Fig. 2 is structural representation one of the present invention;
Fig. 3 is structural representation two of the present invention;
Fig. 4 is structural representation three of the present invention.
Embodiment
As can be seen from Figure 2, cast pipe coating socket end auto-compensation Pneumatic rubber tyre plug of the present invention, it comprises Inflatted rubber tyre 1, valve cock 4; The sectional shape of Inflatted rubber tyre 1 is " L " type, and the cavity that a built-in shape is identical, the exterior edge face A of Inflatted rubber tyre 1 is provided with valve cock 4, and valve cock 4 communicates with the cavity of Inflatted rubber tyre 1.
In the present invention, the cavity due to Inflatted rubber tyre 1 is " L " type, as long as therefore fill once gas just can realize holding tightly and sealing to socket end end face the external diameter of bulb 5, improves work efficiency, and easy to make.Inflatted rubber tyre 1 is " L " type simultaneously, is an entirety, overcomes when being made up of several parts and makes situation that is inconvenient or that at all cannot produce, achieve possibility and the reliability of making.
From Fig. 2, Fig. 3, the transition between the B face of Inflatted rubber tyre 1 and C face has following several mode: one is be right angle transition between the B face of Inflatted rubber tyre 1 and C face; As a kind of optimal way of the present invention, be 45 ~ 90 ° of angle transition between the B face of Inflatted rubber tyre 1 and C face, its effect have two: one be angle transition when avoiding B face and the right angle transition of C face of Inflatted rubber tyre 1 stress of intersection concentrate, prevent the intersection in use B face and C face from rupturing; Two is Inflatted rubber tyre 1 holds the mouth of pipe tightly while, owing to there is an angle herein, the bit shift compensation of an axis can be created like this when glue tire 1 inflation is out of shape, play automatic-sealed compensating action, make the transitional surface of glue tire 1 be adjacent to the end face of bulb 5 socket end tightly, thus serve block pulp seal action when the Centrifugal smearing of ductile iron pipe.
As can be seen from Figure 4, as another optimal way of the present invention, Inflatted rubber tyre 1 is processed with some roads groove on B face.Like this, Inflatted rubber tyre 1 pair of bulb 5 can be conducive to and carry out radial direction and pack tightly, and alleviate the reaction force of glue tire axis.
As can be seen from Figure 1, when using of the present invention, being enclosed within the socket end of ductile iron pipe 5, the B face of Inflatted rubber tyre 1 and C face are contacted with the external diameter of bulb 5 and the end face of socket end respectively.Because the cavity of Inflatted rubber tyre 1 and Qi Nei is " L " type, when being filled with the pressurized air of 0.3 ~ 0.5Mpa by valve cock 4, the B face of Inflatted rubber tyre 1 and the external diameter of bulb 5 are held tightly, and sealing is then close to the end face of bulb 5 socket end in the C face of Inflatted rubber tyre 1.(because Inflatted rubber tyre 1 has certain flexibility, even if the end face of the socket end of its C face and bulb 1 has gap at the beginning, but by compressed-air actuated dilatancy power after glue tire 1 is filled with pressurized air, its C can carry out the auto-compensation sealed in the face of the gap of bulb 1 socket end end face, thus make the end face of the C face of Inflatted rubber tyre and the socket end of bulb be close to sealing) therefore, this Pneumatic rubber tyre plug can not only be fixed on the socket end of bulb 1 tightly, and the end face of socket end can also be made better to be sealed.Like this, when carrying out the coated lining of cement mortar 6 to ductile iron pipe bulb 5 inwall, Lou husky, spillage phenomenon would not be produced, make the bulb port after coated lining neat, attractive in appearance, the coating chamfering uniformity of port, improves the exterior quality of ductile iron pipe, make the interior painting work one-time-reach-place of bulb, need the backward technique of manually carrying out secondary repairing after the coated lining of changing over, improve work efficiency, save man-hour.
As a modification of the present invention mode, Pneumatic rubber tyre plug also comprises baffle 3, and baffle 3 abuts against on the exterior edge face A of Inflatted rubber tyre 1.Baffle 3 can play the effect that block pulp and suppression Inflatted rubber tyre 1 turn over.
As a modification of the present invention mode, Pneumatic rubber tyre plug also comprises skeleton 2, and skeleton 2 arranges inflation on the cylindrical anchor ring of glue tire 1 and baffle 3.Skeleton 2 preferable alloy skeleton is circular annular form.
The new structure that the present invention adopts skeleton and carcass composite integrated to manufacture in design, the Inflatted rubber tyre 1 namely in the present invention, skeleton 2 and baffle 3 are sulfided into one, and namely skeleton 2 is connected Inflatted rubber tyre 1 and baffle 3 by the mode of sulfuration.Like this, product, in use without the need to re-using other framework materials, significantly reducing the operating weight of glue tire sealing, making product convenient and light in use.Therefore, use Pneumatic rubber tyre plug of the present invention, the labor intensity of workman can be alleviated.
Claims (4)
1. the cast pipe coating socket end Pneumatic rubber tyre plug with automatic compensation sealing effect, is characterized in that: it comprises integrated Inflatted rubber tyre (1), valve cock (4), baffle (3), skeleton (2); The sectional shape of Inflatted rubber tyre (1) is L-type, and the cavity that a built-in shape is identical the exterior edge face A of Inflatted rubber tyre (1) is provided with valve cock (4), and valve cock (4) communicates with the cavity of Inflatted rubber tyre (1); Baffle (3) abuts against on the exterior edge face A of Inflatted rubber tyre (1); Skeleton (2) is arranged on the cylindrical anchor ring of Inflatted rubber tyre (1) and baffle (3), and skeleton (2) is metal frame; Inflatted rubber tyre (1), skeleton (2) and baffle (3) are sulfided into one; Inflatted rubber tyre (1) is processed with some roads groove on B face; Described B face is the inner peripheral surface of Inflatted rubber tyre.
2. Pneumatic rubber tyre plug according to claim 1, is characterized in that: be right angle transition between the B face of Inflatted rubber tyre (1) and C face; Described C face is the face contacted with the end face of cast tube socket end.
3. Pneumatic rubber tyre plug according to claim 1, is characterized in that: be 45 ~ 90 ° of angle transition between the B face of Inflatted rubber tyre (1) and C face; Described C face is the face contacted with the end face of cast tube socket end.
4. Pneumatic rubber tyre plug according to claim 1, is characterized in that: be provided with stiffening device in the L-type cavity of Inflatted rubber tyre (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210340348.6A CN102900847B (en) | 2012-09-14 | 2012-09-14 | The cast pipe coating socket end Pneumatic rubber tyre plug with automatic compensation sealing effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210340348.6A CN102900847B (en) | 2012-09-14 | 2012-09-14 | The cast pipe coating socket end Pneumatic rubber tyre plug with automatic compensation sealing effect |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102900847A CN102900847A (en) | 2013-01-30 |
| CN102900847B true CN102900847B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210340348.6A Active CN102900847B (en) | 2012-09-14 | 2012-09-14 | The cast pipe coating socket end Pneumatic rubber tyre plug with automatic compensation sealing effect |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111174008B (en) * | 2020-02-19 | 2024-01-26 | 中国空气动力研究与发展中心高速空气动力研究所 | Ventilating framework for repairing breakpoint of high-pressure inflatable sealing shroud and processing method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2557782Y (en) * | 2002-04-29 | 2003-06-25 | 马鞍山宏力橡胶制品有限公司 | Insert inlet all rubber inflated rubber mould |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2246827B (en) * | 1990-08-08 | 1994-11-30 | Int Pipeline Prod Ltd | Pipe stopper |
| AUPM307693A0 (en) * | 1993-12-21 | 1994-01-20 | Uponor N.V. | Expandable plug |
| CN2637877Y (en) * | 2003-05-15 | 2004-09-01 | 井朝纲 | Aeration rubber type jam for cast tube coated liner plug socket |
| CN2799093Y (en) * | 2005-05-29 | 2006-07-26 | 杨国栋 | Dual-air sac faucet tyre for cement mortar coating inside cast iron pipe |
| CN201089007Y (en) * | 2007-10-08 | 2008-07-23 | 杨国栋 | Dual-air sac faucet tyre |
| CN201200960Y (en) * | 2008-05-07 | 2009-03-04 | 郑强 | Rubber inflating sealed ring |
| CN202048210U (en) * | 2011-04-22 | 2011-11-23 | 杨国栋 | Cement lined socket inflatable rubber tire |
| CN202937818U (en) * | 2012-09-14 | 2013-05-15 | 马鞍山宏力橡胶制品有限公司 | Inflatable rubber tire plug used at insert end of coating of cast pipe and provided with automatic compensating and sealing functions |
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2012
- 2012-09-14 CN CN201210340348.6A patent/CN102900847B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2557782Y (en) * | 2002-04-29 | 2003-06-25 | 马鞍山宏力橡胶制品有限公司 | Insert inlet all rubber inflated rubber mould |
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| CN102900847A (en) | 2013-01-30 |
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