CN209115854U - A kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring - Google Patents
A kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring Download PDFInfo
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- CN209115854U CN209115854U CN201821965132.8U CN201821965132U CN209115854U CN 209115854 U CN209115854 U CN 209115854U CN 201821965132 U CN201821965132 U CN 201821965132U CN 209115854 U CN209115854 U CN 209115854U
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Abstract
The utility model discloses a kind of A type flexible mechanical formula interface tube anti-avulsion sealing rings, are related to interface tube technical field of sealing technology.Including sealing ring body, sealing ring body includes rubber ring in a ring and several anticreep tooth blocks being coated in rubber ring, and the insertion end outer ring surface of rubber ring is arranged to intilted installation inclined-plane；Anticreep tooth block is uniformly distributed around the central axis of rubber ring；Anticreep tooth block has 1~6 anti-skidding tooth tip, and anti-skidding tooth tip is linearly or arc is distributed；Anticreep tooth block has the anticreep tooth block tail portion of inclined tip-angled shape, and anticreep tooth block tail portion and anti-skidding tooth tip are disposed opposite to each other in anticreep tooth block two sides；Angle between installation inclined-plane and the central axis of rubber ring is α, 17 °≤α≤19 °；The inner ring surface side and/or installation inclined-plane side of rubber ring is arranged in anticreep tooth block.The utility model has anti-avulsion effect good, is influenced by pressure, temperature change etc. and to generate stress relaxation, the deformation quantity of rebound smaller, can permanently effective sealing the advantages that.
Description
Technical field
The utility model relates to interface tube technical field of sealing technology, specifically a kind of A type flexible mechanical formula interface tube anti-avulsion
Sealing ring.
Background technique
Flexible interface drain cast iron pipe is the system of the gray cast iron tube being connected with flexible interface and necessary, attachment
Claim, China connected in GB/T12772 " draining use flexible interface cast iron pipe, pipe fitting and attachment " mode be divided into clamping hoop type with
Mechanical two kinds, wherein mechanical interface tube is the bellmouth that the socket of straight tube (pipe fitting) is placed in connected flange plate
It is interior, with bolt fastening socket flange and the flange gland for being mounted on spigot, the sealing rubber ring that installation is situated between is squeezed,
To reach the requirement of connection and sealing, its interface pattern of mechanical interface tube is divided into the mechanical interface tube of A type again and B is mechanically managed
Interface.
Currently, A type flexible mechanical formula interface tube is generally sealed using pure rubbers sealing rings such as O-shaped or Y types in industry,
The sealing area of formation is relatively narrow, poor sealing effect, in long-term use process, is influenced to be also easy to produce stress by pressure, temperature change etc.
Relaxation, rebound, lead to occur loosening problem, sealing performance and service life substantially reduce.
Through retrieving, Chinese patent, Authorization Notice No.: CN 205745286U, data of publication of application: on October 30th, 2016, public
A kind of T-type anti-avulsion rubber seal with improved metal toothing has been opened, the technical field of sealing technology of pipeline is belonged to.This is practical
The novel T-type anti-avulsion rubber seal with improved metal toothing, including sequentially connected sealant, fixing layer mutually
With ebonite layer, the diameter d1 that fixing layer is formed is greater than the diameter d2 of sealant, and overall structure side view is in T-shape；The ebonite layer
It is fixed on the inside of fixing layer；The sealant is sealing flexible glue layer；The fixing layer is metal-toothed block, and tooth tip prolongs inwardly
It stretches.The utility model buffers the fixed function of entire cushion rubber, the connection of ebonite layer by sealing function, the fixing layer of sealant
Effect, three kinds of effects collaboration mutually avoid when pipeline birdsmouth is suppressed rubbing back and forth and cause sealing rubber ring impaired and influence pipe
The sealing effect in road；But the utility model is T-shaped, it is difficult to be packed into A type flexible mechanical formula interface tube, therefore can not be soft in A type
It is applied in the mechanical interface tube of property.
Utility model content
Utility model technical problems to be solved
In the long-term use for sealing ring used in A type flexible mechanical formula interface tube in the prior art, sealing effect
Fruit is poor, is easy to appear the problem of loosening, and the utility model provides a kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring,
Including sealing ring body, sealing ring body includes rubber ring and several anticreep tooth blocks, the insertion end outer ring surface setting of rubber ring
At intilted installation inclined-plane, longer sealing area is formed between the inner ring surface and installation inclined-plane and pipe fitting of rubber ring, it is close
It is good to seal effect；Anticreep tooth block can effectively catch tube wall, play the role of anti-avulsion；Anticreep tooth block plays a supporting role to rubber ring,
Sealing ring body is influenced by pressure, temperature change etc. and to generate stress relaxation, the deformation quantity of rebound smaller, can be permanently effective close
Envelope.
Technical solution
To solve the above problems, technical solution provided by the utility model are as follows:
A kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring, including sealing ring body, the sealing ring body include
Rubber ring in a ring and several anticreep tooth blocks being coated in the rubber ring, anticreep tooth block rise for grasping tube wall
It is acted on to anti-avulsion, in addition, sealing ring body is influenced by pressure, temperature change etc. and generates stress due to the presence of anticreep tooth block
Relaxation, the deformation quantity of rebound are smaller, permanently effective can seal；The insertion end outer ring surface of the rubber ring is arranged to slope inwardly
Installation inclined-plane, for pipe fitting bellmouth inner wall cooperation be adjacent to, increase sealing area width.
Further, the anticreep tooth block is uniformly distributed around the central axis of the rubber ring, is capable of providing circular tube and is connect
Mouthful clampping fixed moment, and make sealing ring body deformation quantity be relatively uniform everywhere.
Further, the anticreep tooth block has 1~6 anti-skidding tooth tip, and the anti-skidding tooth tip is linearly or arc is distributed,
Form the anti-skidding power moved towards along straight line or camber line.
Further, the anticreep tooth block has the anticreep tooth block tail portion of inclined tip-angled shape, the anticreep tooth block tail portion
It being disposed opposite to each other with the anti-skidding tooth tip in the anticreep tooth block two sides, anticreep tooth block tail portion stress makes anticreep tooth block generate deflection,
And then anti-skidding tooth tip is made to sting tight tube wall, enhance anti-avulsion effect.
Further, the material of the anticreep tooth block is chromium stainless steel, and Rockwell hardness >=46 are hard with the surface of pipe fitting
Degree avoids the anti-skidding tooth tip on anticreep tooth block from wearing and lose the ability of grasping quite or greater than tube surface hardness.
Further, the angle between the installation inclined-plane and the central axis of the rubber ring is α, 17 °≤α≤19 °,
Installation inclined-plane is suitable with the gradient of pipe fitting bellmouth inner wall in the range, and contact area is big, sealing and good anti-drop effect.
Further, the anticreep tooth block is the socket side anticreep tooth that the inner ring surface side of the rubber ring is arranged in
Block realizes anti-avulsion purpose for grasping tube spigot outer wall, and the anti-skidding tooth tip of the socket side anticreep tooth block is emerged the rubber
The inner ring surface of cushion rubber, and tilted towards the insertion end of the rubber ring.When tube spigot is inserted into sealing ring body, along anti-skidding
The movement of tooth tip direction, resistance is small, facilitates installation；It when tube spigot is by active force is pulled out outside, moves, prevents against anti-skidding tooth tip direction
Slip teeth point grasps tube spigot outer wall, it is possible to reduce the displacement occurrence quantity of tube spigot plays anti-off effect.
Further, the anticreep tooth block is the bellmouth side anticreep tooth block that the installation inclined-plane side is arranged in, and is used for
It grasping pipe fitting bellmouth inner wall, realizes anti-avulsion purpose, the anti-skidding tooth tip of the bellmouth side anticreep tooth block is emerged the installation inclined-plane,
And it is tilted backwards to the insertion end of the rubber ring.In pipe fitting bellmouth when installation sealing ring body, filled along anti-skidding tooth tip direction
Enter, resistance is small, facilitates installation；After interface tube installs, when tube spigot is by active force is pulled out outside, the anti-skidding tooth tip on inclined-plane is installed
Grasp pipe fitting bellmouth inner wall, it is possible to reduce the displacement occurrence quantity of pipe fitting bellmouth plays anti-off effect.
Further, the anticreep tooth block includes socket side anticreep tooth block and bellmouth side anticreep tooth block, wherein the socket
Side anticreep tooth block is arranged in the inner ring surface side of the rubber ring, and anti-skidding tooth tip is emerged the inner ring surface of the rubber ring, and court
It is tilted to the insertion end of the rubber ring；The bellmouth side anticreep tooth block is arranged in the installation inclined-plane side, anti-skidding tooth tip
It emerges the installation inclined-plane, and is tilted backwards to the insertion end of the rubber ring.In installation process, the installation sealing in pipe fitting bellmouth
When enclosing ontology, and tube spigot being inserted into sealing ring body, installed along anti-skidding tooth tip direction, resistance is small, facilitates installation；
When interface tube is by active force is pulled out outside, the anti-skidding tooth tip on anti-skidding tooth tip and installation inclined-plane on the inner ring surface of rubber ring grasps respectively
Firmly tube spigot outer wall and pipe fitting bellmouth inner wall, two-way to grasp, anti-avulsion effect is more preferable.
Further, the socket side anticreep tooth block and the bellmouth side anticreep tooth block are arranged alternately, so that the two is mutually not
Interference, while being evenly distributed to the clampping fixed moment of tube wall, improve sealing effect.
Beneficial effect
Using technical solution provided by the utility model, compared with prior art, have the following beneficial effects:
(1) a kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring provided by the utility model, including sealing ring sheet
Body, sealing ring body include rubber ring and several anticreep tooth blocks, and the insertion end outer ring surface of rubber ring is arranged to intilted
Inclined-plane is installed, installation inclined-plane is close to pipe fitting bellmouth inner wall, is formed between the inner ring surface and installation inclined-plane and pipe fitting of rubber ring longer
Sealing area, sealing effect is good；Anticreep tooth block can effectively catch tube wall, prevent sealing ring from loosening influence sealing effect, separately
Outside, due to the presence of anticreep tooth block, sealing ring body is influenced by pressure, temperature change etc. and generates stress relaxation, the shape of rebound
Variable is smaller, permanently effective can seal；
(2) a kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring provided by the utility model, anticreep tooth block is around rubber
The central axis of circle is uniformly distributed, and is capable of providing the clampping fixed moment around interface tube, and makes sealing ring body deformation quantity is equal everywhere
It is even；
(3) a kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring provided by the utility model, anticreep tooth block have 1
~6 anti-skidding tooth tips, to play the role of grasping tube wall, anti-skidding tooth tip is linearly or arc is distributed, and is formed along straight line or arc
The anti-skidding power of line trend；
(4) a kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring provided by the utility model, anticreep tooth block, which has, is in
The anticreep tooth block tail portion of tip-angled shape is tilted, after sealing ring body is installed in A type flexible mechanical formula interface tube, its rear end is by flange
Platen squeezes, and active force reaches anticreep tooth block tail portion, so that anticreep tooth block is generated deflection after stress, anti-skidding tooth tip is made to sting tight pipe
Wall enhances anti-avulsion effect；
(5) a kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring provided by the utility model, the material of anticreep tooth block
For chromium stainless steel, Rockwell hardness >=46, the surface hardness with pipe fitting avoids anticreep tooth quite or greater than tube surface hardness
Anti-skidding tooth tip on block wears and loses the ability of grasping；
(6) a kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring provided by the utility model installs inclined-plane and rubber
Angle between the central axis of circle is α, 17 °≤α≤19 °, installs inclined-plane and pipe fitting bellmouth inner wall contact surface in the range
Product is big, sealing and good anti-drop effect；
(7) a kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring provided by the utility model, anticreep tooth block is to set
The socket side anticreep tooth block in the inner ring surface side of rubber ring is set, the clampping fixed moment to tube spigot outer wall is capable of providing；
(8) a kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring provided by the utility model, anticreep tooth block is to set
The bellmouth side anticreep tooth block in installation inclined-plane side is set, the clampping fixed moment to pipe fitting bellmouth inner wall is capable of providing；
(9) a kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring provided by the utility model, anticreep tooth block include setting
Set the inner ring surface side of rubber ring socket side anticreep tooth block and be arranged in installation inclined-plane side bellmouth side anticreep tooth block, energy
It reaches while the clampping fixed moment to tube spigot outer wall and pipe fitting bellmouth inner wall being provided, anti-avulsion sealing effect is more preferable；
(10) a kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring provided by the utility model, socket side anticreep tooth
The insertion end of the anti-skidding tooth tip of block towards rubber ring tilts, the insertion end of the anti-skidding tooth tip of bellmouth side anticreep tooth block backwards to rubber ring
Inclination, facilitates installation, while enhancing anti-avulsion effect；
(11) a kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring provided by the utility model, socket side anticreep tooth
Block and bellmouth side anticreep tooth block are arranged alternately, so that the two is non-interference；The clampping fixed moment of tube wall is uniformly distributed simultaneously, sealing effect
Fruit is good.
Detailed description of the invention
Fig. 1, the utility model sealing ring the first form structural schematic diagram；
The installation condition schematic diagram of Fig. 2, A type flexible mechanical formula interface tube inner seal ring；
Fig. 3, the utility model sealing ring second of form structural schematic diagram；
Fig. 4, the utility model sealing ring the third form structural schematic diagram；
The structural schematic diagram of anticreep tooth block in Fig. 5, the utility model.
In attached drawing: 1, sealing ring body；2, pipe fitting bellmouth；3, tube spigot；4, flange platen；10, rubber ring；11, pacify
Fill inclined-plane；20, anticreep tooth block；21, anti-skidding tooth tip；22, anticreep tooth block tail portion；20a, socket side anticreep tooth block；20b, bellmouth side
Anticreep tooth block.
Specific embodiment
For the content for further appreciating that the utility model, the utility model is described in detail in conjunction with accompanying drawings and embodiments.
Embodiment 1
A kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring, as shown in Figure 1, include sealing ring body 1, it is described close
Seal ontology 1 includes rubber ring 10 in a ring and several anticreep tooth blocks 20 being coated in the rubber ring 10, the rubber
The insertion end outer ring surface of cushion rubber 10 is arranged to intilted installation inclined-plane 11, for being adjacent to the cooperation of 2 inner wall of pipe fitting bellmouth.
As shown in Fig. 2, sealing ring body 1 is installed between pipe fitting bellmouth 2 and tube spigot 3, the inner ring surface of rubber ring 10
Be close to 3 outer wall of tube spigot, installation inclined-plane 11 be close to 2 inner wall of pipe fitting bellmouth, the inner ring surface of rubber ring 10 and installation inclined-plane 11 and
Longer sealing area is formed between pipe fitting, sealing effect is good；After rubber ring 10 is squeezed by pipe fitting bellmouth 2 and tube spigot 3,
Interior anticreep tooth block 20 can effectively grasp tube wall, prevent sealing ring from loosening influence sealing effect, in addition, due to anticreep tooth block
20 presence, sealing ring body 1 is influenced by pressure, temperature change etc. and to generate stress relaxation, the deformation quantity of rebound smaller, can
Permanently effective sealing.
Embodiment 2
A kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring of the present embodiment, basic structure are different with embodiment 1
With the improvement is that, the anticreep tooth block 20 is uniformly distributed around the central axis of the rubber ring 10, sealing ring body 1 install
After in interface tube, anticreep tooth block 20 thereon is capable of providing the clampping fixed moment around interface tube, each position anti-avulsion of sealing ring body 1
Effect is preferable, in addition, each position deformation quantity of sealing ring body 1 is relatively uniform, therefore not by the supporting role of anticreep tooth block 20
It will appear partially sealed bad problem.
Embodiment 3
A kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring of the present embodiment, basic structure is with embodiment 1 or 2, no
It together and thes improvement is that, the anticreep tooth block 20 has 1~6 anti-skidding tooth tip 21, to play the role of grasping tube wall, institute
It states anti-skidding tooth tip 21 linearly or arc is distributed, form the anti-skidding power moved towards along straight line or camber line.As shown in figure 5, the present embodiment
Described in anticreep tooth block 20 there are 3 anti-skidding tooth tips 21, each anti-skidding tooth tip 21 is along lineal layout.
As shown in figure 5, the anticreep tooth block 20 has the anticreep tooth block tail portion 22 of inclined tip-angled shape, the anticreep tooth block
Tail portion 22 and the anti-skidding tooth tip 21 are disposed opposite to each other in 20 two sides of anticreep tooth block.As shown in Fig. 2, sealing ring body 1 is installed
After in A type flexible mechanical formula interface tube, its rear end is squeezed by flange platen 4, and active force reaches anticreep tooth block tail portion 22, makes to prevent
De- tooth block 20 generates deflection after stress, and anti-skidding tooth tip 21 stings tight tube wall, enhances anti-avulsion effect.
The material of the anticreep tooth block 20 is chromium stainless steel, and Rockwell hardness >=46 are suitable with the surface hardness of pipe fitting
Or it is greater than tube surface hardness, avoid the anti-skidding tooth tip 21 on anticreep tooth block 20 from wearing and lose the ability of grasping.
Embodiment 4
A kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring of the present embodiment, basic structure is the same as embodiment 1 to 3
One, it is different and the improvement is that, as shown in Figure 1, between installation inclined-plane 11 and the central axis of the rubber ring 10
Angle is α, 17 °≤α≤19 °, installs inclined-plane 11 in the range and 2 inner wall contact area of pipe fitting bellmouth is big, sealing and anticreep
Effect is good.In the present embodiment, α=18 °, installation inclined-plane 11 can be adjacent to 2 inner wall of pipe fitting bellmouth completely, reach sealing area
Maximum length, sealing effect are good.
Embodiment 5
A kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring of the present embodiment, basic structure is the same as embodiment 1 to 4
One, it is different and the improvement is that, as shown in Figure 1, the anticreep tooth block 20 is the inner ring surface that the rubber ring 10 is arranged in
The socket side anticreep tooth block 20a of side realizes anti-avulsion purpose, the socket side anticreep tooth for grasping 3 outer wall of tube spigot
The anti-skidding tooth tip 21 of block 20a is emerged the inner ring surface of the rubber ring 10, and is tilted towards the insertion end of the rubber ring 10.
As shown in Fig. 2, it is along anti-skidding 21 side of tooth tip that tube spigot 3, which is inserted into sealing ring body 1, in installing pipe interface procedure
To movement, anti-skidding tooth tip 21 can not grasp 3 inner wall of tube spigot, therefore 3 Cat-in resisting force of tube spigot is small, facilitate installation.Such as
Shown in Fig. 2, after interface tube installs, when tube spigot 3 is by active force is pulled out outside, moved against anti-skidding 21 direction of tooth tip, it is anti-skidding
Tooth tip 21 grasps 3 outer wall of tube spigot, it is possible to reduce the displacement occurrence quantity of tube spigot 3 plays anti-off effect.
Embodiment 6
A kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring of the present embodiment, basic structure is the same as embodiment 1 to 5
One, it is different and the improvement is that, as shown in figure 4, the anticreep tooth block 20 is that 11 side of the installation inclined-plane is arranged in
Bellmouth side anticreep tooth block 20b realizes anti-avulsion purpose, the bellmouth side anticreep tooth block 20b for grasping 2 inner wall of pipe fitting bellmouth
Anti-skidding tooth tip 21 emerge the installation inclined-plane 11, and tilted backwards to the insertion end of the rubber ring 10.
In installing pipe interface procedure, installation sealing ring body 1 is filled along anti-skidding 21 direction of tooth tip in pipe fitting bellmouth 2
Enter, 2 inner wall of pipe fitting bellmouth will not be grasped by installing the anti-skidding tooth tip 21 on inclined-plane 11, therefore installation resistance is small, facilitates installation.Such as
Shown in Fig. 5, after interface tube installs, when tube spigot 3 is by active force is pulled out outside, the anti-skidding tooth tip 21 installed on inclined-plane 11 is grasped
2 inner wall of pipe fitting bellmouth, it is possible to reduce the displacement occurrence quantity of pipe fitting bellmouth 2 plays anti-off effect.
Embodiment 7
A kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring of the present embodiment, basic structure is the same as embodiment 1 to 6
One, it is different and the improvement is that, as shown in figure 3, the anticreep tooth block 20 includes that socket side anticreep tooth block 20a and bellmouth side are anti-
De- tooth block 20b, in which: the inner ring surface side of the rubber ring 10 is arranged in the socket side anticreep tooth block 20a, for grasping
3 outer wall of tube spigot, anti-skidding tooth tip 21 are emerged the inner ring surface of the rubber ring 10, and towards the insertion end of the rubber ring 10
Inclination；The bellmouth side anticreep tooth block 20b is arranged in 11 side of installation inclined-plane, real for grasping 2 inner wall of pipe fitting bellmouth
Existing anti-avulsion purpose, anti-skidding tooth tip 21 are emerged the installation inclined-plane 11, and backwards to the inclination of the insertion end of the rubber ring 10.
In installing pipe interface procedure, installation sealing ring body 1 is anti-skidding on installation inclined-plane 11 in pipe fitting bellmouth 2
21 direction of tooth tip is packed into, and the anti-skidding tooth tip 21 at this will not grasp 2 inner wall of pipe fitting bellmouth；Tube spigot 3 is inserted into sealing ring sheet
Body 1 is 21 direction of the anti-skidding tooth tip movement on the inner ring surface of rubber ring 10, and the anti-skidding tooth tip 21 at this can not also grasp
3 inner wall of tube spigot, therefore, installation resistance are small, facilitate installation.After pipe fitting installs, when by pulling out active force outside, rubber ring 10
Inner ring surface on anti-skidding tooth tip 21 and installation inclined-plane 11 on anti-skidding tooth tip 21 grasp 3 outer wall of tube spigot and pipe fitting respectively
2 inner wall of bellmouth, two-way to grasp, anti-avulsion effect is more preferable.
Embodiment 8
A kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring of the present embodiment, basic structure are different with embodiment 7
With the improvement is that, the socket side anticreep tooth block 20a and the bellmouth side anticreep tooth block 20b are arranged alternately, so that the two
It is non-interference.After sealing ring body 1 installs, the installation inclined-plane 11 in inner ring surface and outside uniformly divides the clampping fixed moment of tube wall
Cloth, sealing effect are good.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing
Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design
Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (10)
1. a kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring, including sealing ring body (1), it is characterised in that: described close
Seal ontology (1) includes rubber ring (10) in a ring and several anticreep tooth blocks being coated in the rubber ring (10)
(20), the insertion end outer ring surface of the rubber ring (10) is arranged to intilted installation inclined-plane (11).
2. a kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring according to claim 1, it is characterised in that: described
Anticreep tooth block (20) is uniformly distributed around the central axis of the rubber ring (10).
3. a kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring according to claim 1, it is characterised in that: described
Anticreep tooth block (20) has 1~6 anti-skidding tooth tip (21), and the anti-skidding tooth tip (21) is linearly or arc is distributed.
4. a kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring according to claim 3, it is characterised in that: described
Anticreep tooth block (20) have inclined tip-angled shape anticreep tooth block tail portion (22), the anticreep tooth block tail portion (22) with it is described anti-skidding
Tooth tip (21) is disposed opposite to each other in anticreep tooth block (20) two sides.
5. a kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring according to claim 4, it is characterised in that: described
The material of anticreep tooth block (20) is chromium stainless steel, Rockwell hardness >=46.
6. a kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring according to any one of claims 1 to 5, feature exist
In: the angle between installation inclined-plane (11) and the central axis of the rubber ring (10) is α, 17 °≤α≤19 °.
7. a kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring according to any one of claims 1 to 5, feature exist
In: the anticreep tooth block (20) is socket side anticreep tooth block (20a) of the setting in the inner ring surface side of the rubber ring (10),
The anti-skidding tooth tip (21) of the socket side anticreep tooth block (20a) is emerged the inner ring surfaces of the rubber ring (10), and towards the rubber
The insertion end of cushion rubber (10) tilts.
8. a kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring according to any one of claims 1 to 5, feature exist
In: the anticreep tooth block (20) is bellmouth side anticreep tooth block (20b) of the setting in described installation inclined-plane (11) side, described to hold
The anti-skidding tooth tip (21) of mouthful side anticreep tooth block (20b) is emerged the installation inclined-plane (11), and backwards to the slotting of the rubber ring (10)
Enter end inclination.
9. a kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring according to any one of claims 1 to 5, feature exist
In: the anticreep tooth block (20) includes socket side anticreep tooth block (20a) and bellmouth side anticreep tooth block (20b), wherein
The socket side anticreep tooth block (20a) is arranged in the inner ring surface side of the rubber ring (10), and anti-skidding tooth tip (21) emits
The inner ring surface of the rubber ring (10) out, and tilted towards the insertion end of the rubber ring (10)；
The bellmouth side anticreep tooth block (20b) is arranged in installation inclined-plane (11) side, and anti-skidding tooth tip (21) emerges described
It installs inclined-plane (11), and is tilted backwards to the insertion end of the rubber ring (10).
10. a kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring according to claim 9, it is characterised in that: described
Socket side anticreep tooth block (20a) and the bellmouth side anticreep tooth block (20b) are arranged alternately.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821965132.8U CN209115854U (en) | 2018-11-27 | 2018-11-27 | A kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring |
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| CN201821965132.8U CN209115854U (en) | 2018-11-27 | 2018-11-27 | A kind of A type flexible mechanical formula interface tube anti-avulsion sealing ring |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110281449A (en) * | 2019-08-08 | 2019-09-27 | 马鞍山宏力橡胶制品有限公司 | A kind of ductile iron pipe STD type interface anti-avulsion sealing ring and its production method |
| CN112648372A (en) * | 2020-10-11 | 2021-04-13 | 常州市路氏管道有限公司 | Novel convenient anti-falling rubber ring |
| CN116254907A (en) * | 2023-03-14 | 2023-06-13 | 浙江龙马建设有限公司 | Municipal drainage pipeline construction method |
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2018
- 2018-11-27 CN CN201821965132.8U patent/CN209115854U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110281449A (en) * | 2019-08-08 | 2019-09-27 | 马鞍山宏力橡胶制品有限公司 | A kind of ductile iron pipe STD type interface anti-avulsion sealing ring and its production method |
| CN110281449B (en) * | 2019-08-08 | 2024-07-05 | 马鞍山宏力橡胶制品有限公司 | Anti-slip sealing ring for STD type interface of ductile cast iron pipe and production method thereof |
| CN112648372A (en) * | 2020-10-11 | 2021-04-13 | 常州市路氏管道有限公司 | Novel convenient anti-falling rubber ring |
| CN116254907A (en) * | 2023-03-14 | 2023-06-13 | 浙江龙马建设有限公司 | Municipal drainage pipeline construction method |
| CN116254907B (en) * | 2023-03-14 | 2023-09-19 | 浙江龙马建设有限公司 | Municipal drainage pipeline construction method |
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