CN205089964U - Anti pressurization unit - Google Patents
Anti pressurization unit Download PDFInfo
- Publication number
- CN205089964U CN205089964U CN201520496663.7U CN201520496663U CN205089964U CN 205089964 U CN205089964 U CN 205089964U CN 201520496663 U CN201520496663 U CN 201520496663U CN 205089964 U CN205089964 U CN 205089964U
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- CN
- China
- Prior art keywords
- seal ring
- high pressure
- sealing unit
- interconnecting piece
- pressure sealing
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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.)
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Abstract
The utility model discloses an anti pressurization unit, sealing washer subassembly including a plurality of sealing washers that connect gradually constitute still includes the intermediate junction portion that connects adjacent sealing washer, intermediate junction portion encircles in the outside has sealed recess. The sealing washer that elastic material made itself has better shrink nature and a great coefficient of friction, and lateral surface arc processes and annular groove have certain difference in height, and this kind of fixing means that inlays the chi -square formula has strengthened the leakproofness of sealing washer by a wide margin, has increaseed the compressive capacity of sealing washer simultaneously again, and the setting of medial surface inclination curved surface makes things convenient for in seal structure's installation more, and the inclination curved surface is the leakproofness of better enhancement contact surface also.
Description
Technical field
The utility model relates to a kind of seal element, is specifically related to a kind of anti-high pressure sealing unit.
Background technique
In modern industry, sealing configuration is of a great variety, and the conventional seal rings such as O type circle, Y-shaped ring, V-type circle that have seal the opening of container, the joint of pipeline.O type circle is generally used for static seal, and Y-shaped ring and V-type combination seal are generally used for motive sealing.But the seal ring sealing effect of above-mentioned routine is general, especially under long-time, high pressure or corrosive operating conditions, the seal ring of organic material is very easily out of shape, produce obvious gap and lose the effect of sealing.And high pressure also easily makes seal ring slide and extrude outside workpiece, finally make workpiece lose air-proof condition, cause leakage.Prior art usually by increase material intensity, increase seal ring quantity, set up the approach such as sealing configuration and improve above-mentioned technical problem, but numerous and diverse sealing configuration will cause the raising of the cost of equipment, maintenance difficulties and production difficulty, and the volume of product is made to be difficult to control.
Model utility content
In view of this, the utility model discloses a kind of anti-high pressure sealing unit.
The purpose of this utility model is achieved through the following technical solutions:
A kind of anti-high pressure sealing unit, comprise the seal ring assembly that multiple seal ring connected successively is formed, described multiple seal ring is coaxial, and the utility model also comprises the middle interconnecting piece connecting adjacent seals circle.
Seal ring can adopt that the elasticity such as silica gel are higher, the material of stable in properties is made.In actual applications, seal ring can be wedged the gap location at pipe connection portion position, vessel port position.In prior art, multiple split type seal ring is set with existence and improves sealing intensity, but assemble multiple seal ring and will cause the change of production technology, cannot effectively be applied.In addition, it is mutually distant for split type multiple seal rings, easily makes product produce larger gap in the place of sealing, is unfavorable in fact the lifting of sealability.The utility model adopts the seal ring of multiple superimposed connection to form, and is convenient to assembling and connects closely between seal ring, effectively can improve the sealability of product.In addition, owing to having the effect of dispersion external pressure between the seal ring that is connected, seal ring can be effectively avoided to be out of shape under high pressure operations and the problem that lost efficacy.In addition, multiple seal ring connected successively also can form the buffer structure to corrosive material, and through the buffering of outer side seal circle, inner seal circle still can keep the reliability of sealing effect under the environment of deep-etching.In addition, the gap of seal ring joint is also conducive to improving non-skid property, prevents product from sliding under elevated pressure conditions, reduces sealing effect.
Especially, the outer ring of middle interconnecting piece described in the utility model is wound with sealed groove.
The seal ring that direct overlap connects, owing to having higher-strength and lower deformation space, by causing the installation place of the utility model sealing unit to produce larger space, affects the performance of the utility model sealability.And the easier sealing position that skids off because of high pressure when installing of the seal ring of above-mentioned shape, lose sealing effect.Therefore, the utility model is provided with the middle interconnecting piece of groove between adjacent seal ring, after seal ring is extruded, the deformation of generation certain amplitude is packed into groove, seal ring and the surface of contact that need seal workpiece can be increased, further enhancing sealing effect, and can prevent sealing unit installation place from producing larger space initiation leakage.And groove and multiple seal ring can, from different angles clamping installation position, effectively prevent sealing unit from sealing position because high pressure is extruded.
Further, the outside of described seal ring is provided with the enhancing curved surface of evagination.
The enhancing curved surface of evagination can prevent seal ring under external force by conquassation, is conducive to improving reliability of the present utility model.
Further, the utility model also comprises the interconnecting piece of ring-type and is sleeved on outer connector outside interconnecting piece, coaxial with interconnecting piece; Described seal ring assembly is sleeved between interconnecting piece and outer connector.
Further, the internal diameter of multiple seal rings of described seal ring assembly reduces and/or the external diameter of multiple seal rings of described seal ring reduces successively successively.
Preferably, the internal diameter of multiple seal rings of described seal ring assembly reduces and/or the external diameter of multiple seal rings of described seal ring reduces successively successively; The inner side of described outer connector be provided with described seal ring assembly outside tangent outer inclined-plane; And/or be provided with outside described interconnecting piece with described seal ring assembly inside tangent in inclined-plane.
The closer to the inner side in inside and outside link gap, the burn into pressure that seal ring bears is larger, its internal diameter or external diameter is reduced, is conducive to maintaining himself mechanical strength and preventing sealing circle to be out of shape.The seal ring be in outside gap then needs the deformation that certain amplitude occurs, with increase self and slit surfaces area of contact and to a greater degree with the laminating on inside and outside link surface, therefore its internal diameter increases by the utility model, or internal diameter and external diameter increase simultaneously, improve the flexibility of sealing circle.In addition, the internal diameter of the seal ring inside gap or external diameter larger, by making, the width increase in gap is more.Therefore the structure of the utility model seal ring assembly, also helps reduction gap width, strengthens the sealing effect of equipment.Especially, interconnecting piece of the present utility model or outer connector be provided with seal ring assembly inside or tangent inclined-plane, outside, improve sealing effect of the present utility model further by the laminating degree increasing seal ring assembly and inside and outside link.
Preferably, be provided with the enhancing curved surface of evagination outside described seal ring, described outer inclined-plane is provided with and the groove strengthening SURFACES MATCHING.
In addition, outer inclined-plane also can be arranged the projection with described seal ring assembly middle interconnecting piece matching grooves.By said structure, effectively can increase the area of contact on the utility model seal ring assembly and outer inclined-plane, extend the stroke that fluid oozes out, promote sealing effect of the present utility model further.And the structure such as groove, projection also helps and improves the adhesion on the external inclined-plane of seal ring assembly, prevent when high pressure, have a liquid lubrication, seal ring assembly slides in gap, the reliability of raising the utility model anti-deforming performance and use.In addition, the means of fixation of inlaid type and gradient mounting type, not only increase integrally-built sealing, and improve the simplification of installation.
The utility model also provides a kind of anti-high pressure sealing unit, comprises interior sealed department and outer seal portion successively from top to bottom, also comprises the middle interconnecting piece of sealed department and outer seal portion in connecting; Described middle interconnecting piece outer ring is wound with sealed groove; The longitudinal projection of described interior sealed department is circular.
In use, the opening outer seal portion that interior sealed department need fill in seal container then remains on outside of containers to the utility model; The sealed groove of middle interconnecting piece is then clamped on the edge of opening.Interior sealed department of the present utility model and outer seal portion seal from both sides inside and outside container its opening respectively, effectively improve the sealing effect that need seal under the high pressure conditions of position.Sealed groove then can improve the area of contact of sealing unit and vessel port, prevents sealing unit from receiving compressing and outwards sliding, come off.After interior sealed department or outer seal portion are extruded, the deformation of generation certain amplitude is packed into groove, the surface of contact with vessel port can be increased, strengthen sealing effect further, and can prevent sealing unit installation place from producing larger space initiation leakage.The longitudinal projection of interior sealed department is circular, can balance compression resistance everywhere, and contribute to improving sealing effect, specifically, interior sealed department can be cylindricality, taper, spindle etc.
Further, described interior sealed department comprises sealing curved surface prominent on; The forward projection of described sealing curved surface is parabola or camber line; The bottom of described interior sealed department is provided with sealing plane in and connects with described sealed groove; The top of described outer seal portion is provided with an external sealed plane and connects with described sealed groove.
The forward projection of sealing curved surface is parabola or camber line, and namely, the external diameter of sealed department increases from top to bottom gradually.When reality uses, its radius of interior sealed department is greater than the opening of container, above-mentioned up-thin-low-thick sealing curved surface, is conducive to reducing the resistance that interior sealed department enters vessel port, is convenient to the assembling of product; And interior sealed department is once enter in container, is then difficult to be extruded out by container, effectively improves sealing effect of the present utility model.After interior sealed department is stuffed into container, described interior sealing plane then can be close to the inner side of opening, and simultaneously external sealed plane is close to open outer side, forms the barrier of two seals, improve reliability of the present utility model from the both sides of opening.
Preferably, the elastic cavity be arranged in interior joint is also comprised; Described elastic cavity is provided with through hole and is communicated with outside in the bottom of outer seal portion.
The external diameter of interior sealed department and the difference of vessel port internal diameter larger, better to the sealing effect of opening.But the excessive interior sealed department of external diameter is often difficult to fill in container by opening, cause sealing unit that difficulty is installed.Meanwhile, use brute force that interior sealed department is filled in opening, in easily damaging again, the mechanical property of sealed department, makes it flexibility decrease and loses sealing effect.The utility model arranges an elastic cavity in the inside of interior sealed department especially, when interior sealed department fills in vessel port, receives extruding elastic cavity and shrinks, make interior sealed department external diameter reduce and pass through opening.After interior sealed department is filled in container completely, elastic cavity will restore to the original state under elastic reaction, and in keeping, the swelling state of sealed department, realizes the object from inner seal opening.The effect of through hole is communicated with outside air by elastic cavity, is convenient to discharge and the suction of air when elastic cavity distortion and reset.The opening of through hole is arranged on the outside of outer seal portion, it can be avoided to affect sealing effect of the present utility model.
The utility model has prior art relatively, there is following technical characteristics:
1. the utility model adopts multiple seal ring that is coaxial, integrated type to form seal ring assembly, is convenient to assembling and connects closely between seal ring; Owing to having the effect of dispersion external pressure between the seal ring that is connected, seal ring can be effectively avoided to be out of shape under high pressure operations and the problem that lost efficacy; Multiple seal ring connected successively also can form the buffer structure to corrosive material, and through the buffering of outer side seal circle, inner seal circle still can keep the reliability of sealing effect under the environment of deep-etching.
2. in the utility model seal ring assembly, the internal diameter of multiple seal ring and/or the size of external diameter increase successively, form gradient, effectively can improve the sealing intensity of seal ring assembly, improve the technique effect of the anti-high pressure of the utility model, anti-deforming, strong sealing further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model seal ring assembly.
Fig. 2 is the structural representation of another embodiment of the utility model seal ring assembly.
Fig. 3 is STRUCTURE DECOMPOSITION figure of the present utility model.
Fig. 4 is the STRUCTURE DECOMPOSITION figure of another embodiment of the utility model.
Fig. 5 is the sectional drawing of another embodiment of the utility model.
Fig. 6 is the sectional drawing of another embodiment of the utility model.
Fig. 7 is the sectional drawing of another embodiment of the utility model.
Embodiment
The utility model to be described in further detail below in conjunction with accompanying drawing and embodiment for the ease of it will be appreciated by those skilled in the art that:
Embodiment 1
The present embodiment provides wherein a kind of implementation of the present utility model, a kind of anti-high pressure sealing unit, and as Fig. 1, comprise the seal ring assembly of the first seal ring 11 and the second seal ring 12 formation connected successively, described 2 seal rings are coaxial.
Further, the middle interconnecting piece 2 connecting adjacent seals circle is also comprised; Described middle interconnecting piece outer ring is wound with sealed groove 21.
Further, the outside of described seal ring is provided with the enhancing curved surface 111 of evagination.
Internal diameter and the external diameter of described first seal ring 11 are all less than the second seal ring 12.
Embodiment 2
The present embodiment provides wherein a kind of implementation of the present utility model, a kind of anti-high pressure sealing unit, as Fig. 2, comprise connect successively the first seal ring 11, second seal ring 12, the 3rd seal ring 13 form seal ring assembly, described 3 seal rings are coaxial.
Further, two middle interconnecting pieces 2 connecting above-mentioned two seal rings are also comprised; Sealed groove 21 is surrounded with respectively outside described middle interconnecting piece.
Further, the outside of described seal ring is provided with the enhancing curved surface 111 of evagination.
The internal diameter of 3 seal rings of described seal ring assembly reduces successively, and the external diameter stating 3 seal rings reduces successively.
Embodiment 3
The present embodiment provides wherein a kind of implementation of the present utility model, and a kind of anti-high pressure sealing unit, as Fig. 3, comprises the seal ring assembly of embodiment 2.
The present embodiment is applied in a kind of sealed shell of tank 5, also comprises the interconnecting piece 3 being arranged on bottle cap place ring-type and the outer connector 4 being arranged on bottle mouth position.Outer connector is sleeved on outside interconnecting piece, coaxial with interconnecting piece; Described seal ring assembly is sleeved between interconnecting piece and outer connector.
The inner side of described outer connector be provided with described seal ring assembly outside tangent outer inclined-plane 41; Be provided with outside described interconnecting piece with described seal ring assembly inside tangent in inclined-plane 31.
Be provided with the enhancing curved surface 111 of evagination outside described seal ring, described outer inclined-plane is provided with and the groove 42 strengthening SURFACES MATCHING.
Embodiment 4
The present embodiment provides wherein a kind of implementation of the present utility model, and a kind of anti-high pressure sealing unit, as Fig. 4, comprises the seal ring assembly of embodiment 1.
The present embodiment is applied in a kind of sealed shell of tank 5, also comprises the interconnecting piece 3 being arranged on bottle cap place ring-type and the outer connector 4 being arranged on bottle mouth position.Outer connector is sleeved on outside interconnecting piece, coaxial with interconnecting piece; Described seal ring assembly is sleeved between interconnecting piece and outer connector.
The inner side of described outer connector be provided with described seal ring assembly outside tangent outer inclined-plane 41; Be provided with outside described interconnecting piece with described seal ring assembly inside tangent in inclined-plane 31.
Be provided with the enhancing curved surface 111 of evagination outside described seal ring, described outer inclined-plane is provided with and the groove 42 strengthening SURFACES MATCHING.
Embodiment 5
The present embodiment provides a kind of anti-high pressure sealing unit, as Fig. 5 comprises interior sealed department 61 and outer seal portion 62 from top to bottom successively, also comprises the middle interconnecting piece of sealed department and outer seal portion in connecting; Described middle interconnecting piece outer ring is wound with sealed groove 63; The longitudinal projection of described interior sealed department is circular.
Further, described interior sealed department comprises sealing curved surface 64 prominent on; The forward projection of described sealing curved surface is parabola; The bottom of described interior sealed department is provided with sealing plane 65 in and connects with described sealed groove; The top of described outer seal portion is provided with an external sealed plane 66 and connects with described sealed groove.In the present embodiment, anti-high pressure sealing unit selects silica gel to be raw material molding and forming.Above-mentioned outer seal portion position circular piece in the present embodiment.
Further, the elastic cavity 67 be arranged in anti-high pressure sealing unit is also comprised; Described elastic cavity is provided with through hole and is communicated with outside in the bottom of outer seal portion.
Preferably, described elastic cavity is the cylindrical cavity be longitudinally arranged in described anti-high pressure sealing unit, is provided with through hole and is connected to bottom outer seal portion bottom cylindrical cavity.
Embodiment 6
The present embodiment provides a kind of anti-high pressure sealing unit, as Fig. 6, comprises interior sealed department 61 and outer seal portion 62 from top to bottom successively, also comprises the middle interconnecting piece of sealed department and outer seal portion in connecting; Described middle interconnecting piece outer ring is wound with sealed groove 63; The longitudinal projection of described interior sealed department is circular.
Further, described interior sealed department is hemisphere; Its top is provided with sealing curved surface 64 prominent on; The bottom of described interior sealed department is provided with sealing plane 65 in and connects with described sealed groove; The top of described outer seal portion is provided with an external sealed plane 66 and connects with described sealed groove.In the present embodiment, anti-high pressure sealing unit selects rubber to be raw material molding and forming.Above-mentioned external sealed position rectangular sheet in the present embodiment.
Further, the elastic cavity 67 be arranged in anti-high pressure sealing unit is also comprised; Described elastic cavity is provided with through hole and is communicated with outside in the bottom of outer seal portion.
Preferably, described elastic cavity is the four prism type cavity be longitudinally arranged in described anti-high pressure sealing unit, is provided with through hole and is connected to bottom outer seal portion bottom cylindrical cavity.
Embodiment 7
The present embodiment provides a kind of anti-high pressure sealing unit, as Fig. 7, for the opening of seal container 7.This anti-high pressure sealing unit comprises interior sealed department 61 and outer seal portion 62 from top to bottom successively, also comprises the middle interconnecting piece of sealed department and outer seal portion in connecting; Described middle interconnecting piece outer ring is wound with sealed groove 63; The longitudinal projection of described interior sealed department is circular.
Further, described interior sealed department comprises sealing curved surface 64 prominent on; The forward projection of described sealing curved surface is parabola; The bottom of described interior sealed department is provided with sealing plane 65 in and connects with described sealed groove; The top of described outer seal portion is provided with an external sealed plane 66 and connects with described sealed groove.In the present embodiment, anti-high pressure sealing unit selects silica gel to be raw material molding and forming.Above-mentioned external sealed position rectangular sheet in the present embodiment.
Further, the elastic cavity 67 be arranged in anti-high pressure sealing unit is also comprised; Described elastic cavity is provided with through hole and is communicated with outside in the bottom of outer seal portion.
Preferably, described elastic cavity is the cylindrical cavity be longitudinally arranged in described anti-high pressure sealing unit, is provided with through hole and is connected to bottom outer seal portion bottom cylindrical cavity.
In the present embodiment, the radius of interior sealing plane is 1.3 times of vessel port radius.
Be more than wherein specific implementation of the present utility model, it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these apparent replacement forms all belong to protection domain of the present utility model.
Claims (10)
1. an anti-high pressure sealing unit, is characterized in that: comprise the seal ring assembly be made up of multiple annular seal ring connected successively, and described multiple seal ring is coaxial; Also comprise the middle interconnecting piece connecting adjacent seals circle; Described middle interconnecting piece outer ring is wound with sealed groove.
2. anti-high pressure sealing unit according to claim 1, is characterized in that: the outside of described seal ring is provided with the enhancing curved surface of evagination.
3. anti-high pressure sealing unit according to claim 2, is characterized in that: also comprise the interconnecting piece of ring-type and be sleeved on outer connector outside interconnecting piece, coaxial with interconnecting piece; Described seal ring assembly is sleeved between interconnecting piece and outer connector.
4. anti-high pressure sealing unit according to claim 3, is characterized in that: the internal diameter of multiple seal rings of described seal ring assembly reduces successively and/or the external diameter of multiple seal rings of described seal ring reduces successively.
5. anti-high pressure sealing unit according to claim 4, is characterized in that: the inner side of described outer connector be provided with described seal ring assembly outside tangent outer inclined-plane; And/or be provided with outside described interconnecting piece with described seal ring assembly inside tangent in inclined-plane.
6. anti-high pressure sealing unit according to claim 5, is characterized in that: described outer inclined-plane is provided with and the groove strengthening SURFACES MATCHING.
7. an anti-high pressure sealing unit, comprises interior sealed department and outer seal portion successively from top to bottom, it is characterized in that: the middle interconnecting piece also comprising sealed department and outer seal portion in connecting; Described middle interconnecting piece outer ring is wound with sealed groove; The longitudinal projection of described interior sealed department is circular.
8. anti-high pressure sealing unit according to claim 7, is characterized in that: described interior sealed department comprises sealing curved surface prominent on; The forward projection of described sealing curved surface is parabola or camber line; The bottom of described interior sealed department is provided with sealing plane in and connects with described sealed groove; The top of described outer seal portion is provided with an external sealed plane and connects with described sealed groove.
9. anti-high pressure sealing unit according to claim 8, is characterized in that: also comprise the elastic cavity be arranged in anti-high pressure sealing unit; Described elastic cavity is provided with through hole and is communicated with outside in the bottom of outer seal portion.
10. anti-high pressure sealing unit according to claim 9, is characterized in that: described elastic cavity is the cylindrical cavity be longitudinally arranged in described anti-high pressure sealing unit, is provided with through hole and is connected to bottom outer seal portion bottom cylindrical cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520496663.7U CN205089964U (en) | 2015-07-10 | 2015-07-10 | Anti pressurization unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520496663.7U CN205089964U (en) | 2015-07-10 | 2015-07-10 | Anti pressurization unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205089964U true CN205089964U (en) | 2016-03-16 |
Family
ID=55480651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520496663.7U Expired - Fee Related CN205089964U (en) | 2015-07-10 | 2015-07-10 | Anti pressurization unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205089964U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030441A (en) * | 2019-05-14 | 2019-07-19 | 扬州赛普润橡塑有限公司 | A kind of pipeline rubber seal |
-
2015
- 2015-07-10 CN CN201520496663.7U patent/CN205089964U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110030441A (en) * | 2019-05-14 | 2019-07-19 | 扬州赛普润橡塑有限公司 | A kind of pipeline rubber seal |
| CN110030441B (en) * | 2019-05-14 | 2023-11-17 | 扬州赛普润橡塑有限公司 | Rubber sealing ring for pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 Termination date: 20170710 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |