阅读说明：本技术 一种o型橡胶密封圈 (O-shaped rubber sealing ring ) 是由 唐文阁 赵静 于 2021-05-13 设计创作，主要内容包括：本发明涉及密封件技术领域,具体是一种O型橡胶密封圈,包括本体,本体的内部分别开设有一级腔和二级腔,一级腔的内壁设置有快干水泥,二级腔的内壁固定连接有加固环,本体的内部分别设置有第一边条和第二边条,第一边条的内部开设有八个储水腔,第一边条的上表面固定连接有凸起,本发明中,通过设置储水腔和石灰粘土混合物可在第一边条发生破裂后相结合形成固体以加强密封效果,通过设置加固环用于加固本体,防止本体发生形变,通过设置铁皮圈、固定脚和螺纹杆相配合用于外层紧固、保护本体,防止其发生形变和破裂,从而解决了O型密封圈受到的挤压力大,易产生永久变形甚至破裂,导致密封失效的问题。(The invention relates to the technical field of sealing elements, in particular to an O-shaped rubber sealing ring, which comprises a body, wherein a primary cavity and a secondary cavity are respectively arranged inside the body, quick-drying cement is arranged on the inner wall of the primary cavity, a reinforcing ring is fixedly connected to the inner wall of the secondary cavity, a first edge strip and a second edge strip are respectively arranged inside the body, eight water storage cavities are arranged inside the first edge strip, and a bulge is fixedly connected to the upper surface of the first edge strip. The problem of sealing failure is easily caused by permanent deformation and even breakage.)

1. The utility model provides a O type rubber seal, includes body (1), its characterized in that: the surface of the body (1) is provided with an inner ring (10) and an outer ring (11) respectively, the surfaces of the inner ring (10) and the outer ring (11) are coated with fluorocarbon polyester coatings, and a water storage cavity (4) is formed in the body (1).

2. An O-ring according to claim 1, wherein: one-level chamber (2) and second grade chamber (3) have been seted up respectively to the inside of body (1), the inner wall in one-level chamber (2) is provided with quick-drying cement (6), the inner wall fixedly connected with reinforcement ring (7) in second grade chamber (3), the inside of body (1) is provided with first strake (8) and second strake (9) respectively, the last fixed surface of first strake (8) is connected with protruding (5), eight has been seted up in first strake (8) water storage chamber (4), eight water storage chamber (4) divide into two sets of from top to bottom, four water storage chamber (4) circumference equidistance sets up the inside in first strake (8).

3. An O-ring according to claim 2, wherein: the surface of body (1) is provided with iron leather collar (12), the fixed surface of iron leather collar (12) is connected with fixed foot (13), fixed orifices (14) have been seted up to the side of fixed foot (13), the inner wall threaded connection of fixed orifices (14) has threaded rod (15), the surface threaded connection of threaded rod (15) has nut (16).

4. An O-ring according to claim 2, wherein: the lower fixed surface of body (1) is connected with sucking disc (17), the external diameter of sucking disc (17) equals with the diameter of body (1) excircle.

5. An O-ring according to claim 2, wherein: the reinforcing ring (7) is made of iron materials.

6. An O-ring according to claim 2, wherein: the body (1) is made of ethylene propylene diene monomer rubber material.

7. An O-ring according to claim 2, wherein: the thickness of the second edge strip (9) is 0.6-1.5 kilometers.

8. An O-ring according to claim 1, wherein: the inner side of the body (1) is sequentially provided with a first rubber ring (20), a second rubber ring (26) and a third rubber ring (30) along the axial direction, the diameters of the second rubber ring (26) and the third rubber ring (30) are larger than that of the first rubber ring (20), the inner parts of the first rubber ring (20) and the second rubber ring (26) are provided with annular water storage cavities (4), each water storage cavity (4) comprises a first water storage cavity (21) and a second water storage cavity (27), the outer sides of the second rubber ring (26) and the third rubber ring (30) are provided with a first cavity (31) and a second cavity (32), expansion glue is arranged in the first cavity (31) and the second cavity (32) and is made of a water-swelling water-stopping glue material, and the first cavity (31) and the second cavity (32) are both of annular structures with rectangular cross sections;

an annular groove I (18) is arranged on the left side of the first rubber ring (20), an annular groove II (22) is arranged between the first rubber ring (20) and the second rubber ring (26), an annular groove III (28) is arranged between the second rubber ring (26) and the third rubber ring (30), inclined channels I (19), II (23) and III (29) are respectively arranged at the central positions of the bottoms of the groove I (18), the groove II (22) and the groove III (28), one ends of the channels I (19) and II (23) far away from the central shaft penetrate through the bottom end of the side wall on the right side of the cavity I (31) to be communicated, one ends of the channels III (29) far away from the central shaft penetrate through the top end of the side wall on the right side of the cavity II (32) to be communicated, an annular water retaining ring (24) is arranged on the right side of the bottom of the groove II (22), and an inclined channel IV (25) is arranged on the right side of the bottom of the groove II (22), one end of the channel IV (25) far away from the central shaft penetrates through a gap between the water storage cavity II (27) and the cavity I (31) and is communicated with the top end of the side wall on the right side of the cavity II (32).

Technical Field

The invention relates to the technical field of sealing elements, in particular to an O-shaped rubber sealing ring.

Background

The O-shaped sealing ring is an annular rubber sealing ring with a circular section, is mainly used for preventing liquid and gas media from leaking from mechanical parts under static conditions, and can also be used as a dynamic sealing element for axial reciprocating motion and low-speed rotating motion under certain conditions.

However, due to the high-pressure working environment, the extrusion force applied to the O-shaped sealing ring is large, so that the sealing ring is in a deformed state for a long time, and is easy to generate permanent deformation and even break, thereby causing sealing failure. Accordingly, those skilled in the art have provided an O-ring seal to solve the above problems in the background art.

Disclosure of Invention

The invention aims to provide an O-shaped rubber sealing ring, which aims to solve the problem that the O-shaped sealing ring is in a deformation state for a long time, is easy to generate permanent deformation and even break, and causes sealing failure.

The invention also aims to provide an O-shaped rubber sealing ring, which solves the problems that when the O-shaped rubber sealing ring is used in an environment with much dust and frequent friction, frequent replacement is required due to high abrasion, and labor and cost are correspondingly increased.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a O type rubber seal, includes the body, the surface of body is provided with inner ring and outer loop respectively, the surface in inner ring and outer loop has all been scribbled fluorocarbon polyester coating, and is anti yellow, heat-resisting through setting up fluorocarbon polyester coating, one-level chamber and second grade chamber have been seted up respectively to the inside of body, the inner wall in one-level chamber is provided with quick-drying cement, the inner wall fixedly connected with anchor ring in second grade chamber, the inside of body is provided with first strake and second strake respectively, the last fixed surface of first strake is connected with protrudingly, eight water storage chambers have been seted up to the inside of first strake, eight two sets of about the water storage chamber divide into, four water storage chamber circumference equidistance sets up in the inside of first strake, is used for storing water through setting up the water storage chamber, and circumference equidistance sets up the diversified infiltration of the first strake of being convenient for water after breaking.

As a still further scheme of the invention: the surface of body is provided with the iron leather collar, the fixed surface of iron leather collar is connected with fixed foot, the fixed orifices has been seted up to the side of fixed foot, the inner wall threaded connection of fixed orifices has the threaded rod, the surface threaded connection of threaded rod has the nut.

As a still further scheme of the invention: the lower fixed surface of body is connected with the sucking disc, the external diameter of sucking disc equals with the diameter of body excircle, through setting up the installation of the body of being convenient for of sucking disc, makes the body closely laminate with the surface of installed part.

As a still further scheme of the invention: the reinforcing ring is made of an iron material, and the service life of the reinforcing ring is prolonged by the arrangement of iron, so that the reinforcing effect is achieved.

As a still further scheme of the invention: the body is made of ethylene propylene diene monomer, and the ethylene propylene diene monomer has low density and high filling property, so that the reduction range of physical and mechanical properties is small.

As a still further scheme of the invention: the thickness of the second edge strip is 0.6-1.5 m, and the second edge strip is used for blocking the reinforcing ring and the quick-drying cement.

As a still further scheme of the invention: a first rubber ring, a second rubber ring and a third rubber ring are sequentially arranged on the inner side of the body along the axial direction, the diameters of the second rubber ring and the third rubber ring are larger than those of the first rubber ring, a first annular water storage cavity and a second annular water storage cavity are formed in the first rubber ring and the second rubber ring, a first cavity and a second cavity are formed in the outer sides of the second rubber ring and the third rubber ring, expansion glue is arranged in the first cavity and the second cavity, and four right-angle edges of the first cavity and the second cavity are provided with chamfers;

an annular groove I is arranged on the left side of the first rubber ring, an annular groove II is arranged between the first rubber ring and the second rubber ring, an annular groove III is arranged between the second rubber ring and the third rubber ring, the central positions of the bottoms of the groove I, the groove II and the groove III are respectively provided with an inclined channel I, a channel II and a channel III, one ends of the first channel and the second channel far away from the central shaft penetrate through the bottom end of the side wall on the right side of the first cavity and are communicated with each other, one end of the channel III, which is far away from the central shaft, penetrates through the top end of the side wall on the right side of the cavity II to be communicated, the center of the bottom of the groove II is provided with an annular water retaining ring close to the right, an inclined channel IV is arranged on the right side of the bottom of the groove II, and one end, far away from the central shaft, of the channel IV 25 penetrates through a gap between the water storage cavity II and the cavity I and is communicated with the top end of the side wall on the right side of the cavity II.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the O-shaped sealing ring, the water storage cavity and the quick-drying cement can be combined to form a solid body after the first edge is broken so as to enhance the sealing effect, the reinforcing ring is arranged for reinforcing the body to prevent the body from deforming, the iron leather ring, the fixing feet and the threaded rod are arranged to be matched for fastening and protecting the body on the outer layer, the body is prevented from deforming and breaking, and the bulge is arranged to be convenient to be matched with rod-shaped objects and the like to enhance the sealing performance, so that the problem that the O-shaped sealing ring is large in extrusion force, easy to generate permanent deformation and even break and causes sealing failure is solved.

2. In the invention, the fluorocarbon polyester coating is anti-yellowing and heat-resistant; the sucker is arranged to facilitate the installation of the body, so that the body is tightly attached to the surface of the installed part; through the reinforcement ring increase of service life who sets up iron, it is effective to consolidate.

3. According to the invention, the water storage cavity is used for storing water, and the water storage cavity is circumferentially and equidistantly arranged so as to facilitate the multi-directional permeation of water after the first edge is broken; the ethylene propylene diene monomer rubber has low density and high filling property, and the reduction range of physical and mechanical properties is not large; and the second edge strip is arranged for blocking the reinforcing ring and the quick-drying cement.

4. According to the invention, by arranging the first rubber ring, the second rubber ring and the third rubber ring which are in parallel connection, and arranging a series of structures such as the first groove, the second groove, the third groove, the first water storage cavity, the second water storage cavity, the expansion glue and the like in the body, when the first rubber ring is broken, the second rubber ring and the third rubber ring can be sequentially attached to the piston rod to achieve a sealing function, the sealing effect is improved, the frequency of manual replacement is reduced, the service life of the device is prolonged, the cost is further saved, and the device is particularly suitable for environments with large dust and easy abrasion.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a second overall view of the present invention;

FIG. 3 is a schematic sectional view of the structure of the body of the present invention;

FIG. 4 is an exploded view of a portion of the structure of the present invention;

fig. 5 is a schematic structural sectional view of the body of the present invention.

In the figure: 1. a body; 2. a primary cavity; 3. a secondary cavity; 4. a water storage cavity; 5. a protrusion; 6. quick-drying cement; 7. a reinforcing ring; 8. a first edge strip; 9. a second edge strip; 10. an inner ring; 11. an outer ring; 12. an iron leather ring; 13. a fixing leg; 14. a fixing hole; 15. a threaded rod; 16. a nut; 17. a suction cup; 18. a first groove; 19. a first channel; 20. a first rubber ring; 21. a first water storage cavity; 22. a second groove; 23. a second channel; 24. a water retaining ring; 25. a fourth channel; 26. a second rubber ring; 27. a second water storage cavity; 28. a third groove; 29. a third channel; 30. a third rubber ring; 31. a first cavity; 32. a second cavity; 33. a piston rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, in an embodiment of the present invention, an O-ring seal includes a body 1, an inner ring 10 and an outer ring 11 are respectively disposed on a surface of the body 1, surfaces of the inner ring 10 and the outer ring 11 are both coated with a fluorocarbon polyester coating, and the fluorocarbon polyester coating is disposed to resist yellowing and heat; the lower surface of the body 1 is fixedly connected with a sucker 17, the outer diameter of the sucker 17 is equal to the diameter of the excircle of the body 1, the body 1 can be conveniently installed by arranging the sucker 17, and the body 1 is tightly attached to the surface of an installed part; the reinforcing ring 7 is made of iron materials, the service life is prolonged by arranging the reinforcing ring 7 made of iron, the reinforcing effect is achieved, the primary cavity 2 and the secondary cavity 3 are respectively arranged inside the body 1, quick-drying cement 6 is arranged on the inner wall of the primary cavity 2, the reinforcing ring 7 is fixedly connected to the inner wall of the secondary cavity 3, the first edge strip 8 and the second edge strip 9 are respectively arranged inside the body 1, eight water storage cavities 4 are arranged inside the first edge strip 8, the bulge 5 is fixedly connected to the upper surface of the first edge strip 8, the iron sheet ring 12 is arranged on the surface of the body 1, the fixing feet 13 are fixedly connected to the surface of the iron sheet ring 12, the fixing holes 14 are formed in the side surfaces of the fixing feet 13, the threaded rods 15 are connected to the inner wall threads of the fixing holes 14, nuts 16 are connected to the surface threads of the threaded rods 15, and the water storage cavities 4 and the quick-drying cement 6 are arranged to be combined to form a solid body to enhance the sealing effect after the first edge strip 8 is broken, be used for consolidating body 1 through setting up reinforcing ring 7, prevent that body 1 from taking place deformation, cooperate through setting up iron leather collar 12, fixed foot 13 and threaded rod 15 and be used for outer fastening, protection body 1, prevent that it from taking place deformation and breaking, through setting up protruding 5 be convenient for with article looks adaptations such as shaft-like, strengthen the leakproofness, thereby it is big to have solved the extrusion force that O type sealing washer received, easily produces permanent deformation and even breaks, leads to the problem of sealed inefficacy.

Specifically, the eight water storage cavities 4 are divided into an upper group and a lower group, the four water storage cavities 4 are circumferentially equidistantly arranged inside the first edge strip 8, the water storage cavities 4 are used for storing water, and the water can permeate in multiple directions after the first edge strip 8 is broken due to the circumferentially equidistant arrangement; the body 1 is made of an ethylene propylene diene monomer material, and the ethylene propylene diene monomer has low density and high filling property and has small reduction range on physical and mechanical properties; the second edge strip 9 is one centimeter thick and is used for blocking the reinforcing ring 7 and the quick-drying cement 6 by arranging the second edge strip 9.

Specifically, as shown in fig. 5, a first rubber ring 20, a second rubber ring 26 and a third rubber ring 30 are sequentially arranged on the inner side of the body 1 along the axial direction, the second rubber ring 26 and the third rubber ring 30 have a larger diameter than the first rubber ring 20, the first rubber ring 20 and the second rubber ring 26 are internally provided with the annular water storage cavity 4, the water storage cavity 4 comprises a first water storage cavity 21 and a second water storage cavity 27, chamfers are arranged on the four right-angle sides of the first water storage cavity 21 and the second water storage cavity 27, a first cavity 31 and a second cavity 32 are arranged outside the second rubber ring 26 and the third rubber ring 30, the first cavity 31 and the second cavity 32 are both provided with expansion glue, the expansion glue is made of water-swelling waterproof glue, the first cavity 31 and the second cavity 32 are annular structures with rectangular sections, and four right-angle edges of the first cavity 31 and the second cavity 32 are provided with chamfers;

the left side of the first rubber ring 20 is provided with an annular groove I18, an annular groove II 22 is arranged between the first rubber ring 20 and the second rubber ring 26, an annular groove III 28 is arranged between the second rubber ring 26 and the third rubber ring 30, the central positions of the bottoms of the groove I18, the groove II 22 and the groove III 28 are respectively provided with an inclined channel I19, a channel II 23 and a channel III 29, one end of the first channel 19 and one end of the second channel 23, which are far away from the central shaft, penetrate through the bottom end of the side wall on the right side of the first cavity 31 to be communicated, one end of the third channel 29 far away from the central shaft penetrates through the top end of the side wall on the right side of the second cavity 32 to be communicated, an annular water retaining ring 24 is arranged at the right side of the center of the bottom of the second groove 22, an inclined channel IV 25 is arranged at the right side of the bottom of the second groove 22, one end of the channel IV 25, which is far away from the central shaft, penetrates through a gap between the second water storage cavity 27 and the first cavity 31 and is communicated with the top end of the side wall on the right side of the second cavity 32.

Through the technical scheme, the first rubber ring 20, the second rubber ring 26 and the third rubber ring 30 are sequentially arranged on the inner side of the body 1 along the axial direction, the diameters of the second rubber ring 26 and the third rubber ring 30 are larger than that of the first rubber ring 20, a series of structures such as the first groove 18, the second groove 22, the third groove 28, the first water storage cavity 21, the second water storage cavity 27 and expansion glue are arranged, when the control body 1 is sleeved on the outer side of the piston rod 34 of the cylinder, the first rubber ring 20 is attached to the outer surface of the piston rod 34 to realize a sealing function, the second rubber ring 26 and the third rubber ring 30 are not attached to the outer surface of the piston rod, when the cylinder works, friction is generated between the first rubber ring 20 and the piston rod 34 to break the first rubber ring 20, at the moment, water stored in the water storage cavity 21 in the first rubber ring 20 flows into the first grooves 18 and the second grooves 22 on two sides, the water in the first groove 18 flows into the first cavity 31 on the outer side through the first channel 19, the water retaining ring 24 is arranged in the groove 22, so that water flowing into the groove 22 from the water storage cavity 21 can be prevented from flowing into the cavity II 32 on the outer side through the channel IV 25, the expansion glue in the cavity II 32 is prevented from absorbing water and expanding, the water in the groove 22 is further controlled to flow into the cavity I31 on the outer side through the channel II 23, the expansion glue in the cavity I31 expands after absorbing water, and the second rubber ring 26 is pushed to approach the piston rod 34 until being attached and sealed with the outer surface of the piston rod 34, so that the function of secondary sealing is realized;

when the second rubber ring 26 is attached to the outer surface of the piston rod 34 to realize a sealing function, friction is generated to cause the second rubber ring 26 to break, at the moment, water stored in the second water storage cavity 27 in the second rubber ring 26 flows into the second grooves 22 and the third grooves 28 on two sides, then flows into the second cavity 32 on the outer side through the third channels 29 and the fourth channels 25, at the moment, expansion glue in the second cavity 32 expands after absorbing water, and then pushes the third rubber ring 30 to approach the piston rod 34 until being attached and sealed with the piston rod 34 to realize a third sealing effect, the device can sequentially attach to the piston rod to realize the sealing function through the first rubber ring 20, the second rubber ring 26 and the third rubber ring 30 which are connected in parallel, and the first water storage cavity 21, the second water storage cavity 27 and the expansion glue are arranged in the body 1, so that when the first rubber ring 20 breaks, the second rubber ring 26 and the third rubber ring 30 can be sequentially attached to the piston rod to realize the sealing function, thereby improving the sealing effect, the service life of the device is prolonged, the cost is saved, and the device is particularly suitable for environments with large dust and easy abrasion.

The working principle of the invention is as follows: when using, accessible threaded rod 15 and nut 16 are together fixed with two fixed feet 13, this moment the iron sheet circle 12 parcel prevents body 1 compressive deformation on the surface of body 1, reinforce ring 7 simultaneously and play the effect that the secondary preapre for an unfavorable turn of events shape, if the extrusion force that body 1 received causes first side 8 to take place to break excessively, the rivers in the water storage chamber 4 combine together to one-level chamber 2 and quick-drying cement 6 and form the solid in order to strengthen the leakproofness this moment, prevent simultaneously that the sealing washer from warping excessively to lead to sealed complete failure, thereby it is big to have solved the extrusion force that O type sealing washer received, easily produce permanent deformation and break even, lead to the problem of sealed inefficacy.

As another embodiment of the present invention: when the user control body 1 is sleeved outside a piston rod 34 of an air cylinder, the first rubber ring 20 is attached to the outer surface of the piston rod 34 to realize a sealing function, at the moment, the second rubber ring 26 and the third rubber ring 30 are not attached to the outer surface of the piston rod, when the air cylinder works, friction is generated between the first rubber ring 20 and the piston rod 34 to break the first rubber ring 20, at the moment, water stored in a water storage cavity 21 in the first rubber ring 20 flows into a groove I18 and a groove II 22 on two sides, water in the groove I18 flows into a cavity I31 on the outer side through a channel I19, a water retaining ring 24 is arranged in the groove 22 to prevent the water flowing into the groove 22 from flowing into the cavity II 32 on the outer side through a channel IV 25, so that the expansion glue in the cavity II 32 is prevented from absorbing water and expanding, further, the water in the groove 22 is controlled to flow into the cavity I31 on the outer side through the channel II 23, and at the moment, the expansion glue in the cavity I31 absorbs water and then expands, the second rubber ring 26 is pushed to approach the piston rod 34 until the second rubber ring is attached to the outer surface of the piston rod 34 for sealing, so that the function of secondary sealing is realized;

when the second rubber ring 26 is attached to the outer surface of the piston rod 34 to realize a sealing function, friction is generated to cause the second rubber ring 26 to break, at the moment, water stored in the second water storage cavity 27 in the second rubber ring 26 flows into the second grooves 22 and the third grooves 28 on two sides, then flows into the second cavity 32 on the outer side through the third channels 29 and the fourth channels 25, at the moment, expansion glue in the second cavity 32 expands after absorbing water, and then pushes the third rubber ring 30 to approach the piston rod 34 until being attached and sealed with the piston rod 34 to realize a third sealing effect, the device can sequentially attach to the piston rod to realize the sealing function through the first rubber ring 20, the second rubber ring 26 and the third rubber ring 30 which are connected in parallel, and the first water storage cavity 21, the second water storage cavity 27 and the expansion glue are arranged in the body 1, so that when the first rubber ring 20 breaks, the second rubber ring 26 and the third rubber ring 30 can be sequentially attached to the piston rod to realize the sealing function, thereby improving the sealing effect, the service life of the device is prolonged, the cost is saved, and the device is particularly suitable for environments with large dust and easy abrasion.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.