CN219712618U - Flange structure with good sealing performance - Google Patents
Flange structure with good sealing performance Download PDFInfo
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- CN219712618U CN219712618U CN202321047811.8U CN202321047811U CN219712618U CN 219712618 U CN219712618 U CN 219712618U CN 202321047811 U CN202321047811 U CN 202321047811U CN 219712618 U CN219712618 U CN 219712618U
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- ring
- groove
- sealing
- sealing ring
- flange structure
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Abstract
本实用新型公开了一种密封性能好的法兰结构，涉及法兰技术领域，包括上端环、下端环和预留槽；上端环：下端面上设有环形的凹槽，所述凹槽放置有内密封圈；下端环：上端面上设有延伸至凹槽内的环凸，所述下端环和上端环侧面均固定连接有环板，两个环板的边缘设有螺栓孔，两个环板通过穿过螺栓孔的螺栓相连接；预留槽：有两个且相对设置在上端环和下端环的接触面上，且预留槽处在内密封圈的外侧，两个预留槽内设有密封圈安装环，所述密封圈安装环的内环面固定于外密封圈，所述内密封圈和外密封圈挤压接触；本密封性能好的法兰结构，通过双重密封圈进行隔离，提高了密封性。
The utility model discloses a flange structure with good sealing performance and relates to the technical field of flanges. It includes an upper end ring, a lower end ring and a reserved groove; the upper end ring: a lower end surface is provided with an annular groove, and the groove is placed There is an inner sealing ring; lower end ring: the upper end surface is provided with an annular protrusion extending into the groove, the lower end ring and the upper end ring are fixedly connected with ring plates on the sides, and the edges of the two ring plates are provided with bolt holes, two The ring plates are connected by bolts passing through the bolt holes; reserved grooves: there are two and are set oppositely on the contact surface of the upper ring and the lower ring, and the reserved grooves are located outside the inner sealing ring, and the two reserved grooves There is a sealing ring installation ring inside, and the inner annular surface of the sealing ring installation ring is fixed on the outer sealing ring. The inner sealing ring and the outer sealing ring are in extrusion contact; this flange structure with good sealing performance uses double sealing rings. Isolate and improve sealing.
Description
Technical Field
The utility model relates to the technical field of flanges, in particular to a flange structure with good sealing performance.
Background
The flange is simply referred to as a flange, and generally means that a disc-like metal body is provided with a plurality of fixing holes at its periphery for connecting other things. This is widely used mechanically, so it is also a thousand wonder, just like a so-called flange, the name of which is from the english flag. The traditional sealing flange structure is simple, the tightness of the sealing flange structure is easily influenced by the connecting holes when the sealing flange structure is used, the sealing performance is general, the sealing flange structure cannot meet the requirement of high tightness, and therefore, the flange structure with good sealing performance is provided.
Disclosure of Invention
The utility model aims to overcome the existing defects, provides a flange structure with good sealing performance, improves the sealing performance by isolating through double sealing rings, and can effectively solve the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a flange structure with good sealing performance comprises an upper end ring, a lower end ring and a reserved groove;
an upper end ring: the lower end face is provided with an annular groove, and an inner sealing ring is arranged in the groove;
a lower end ring: the upper end face is provided with a ring bulge extending into the groove, the side faces of the lower end ring and the upper end ring are fixedly connected with ring plates, the edges of the two ring plates are provided with bolt holes, and the two ring plates are connected through bolts penetrating through the bolt holes;
reservation groove: the two seal ring installation rings are oppositely arranged on the contact surfaces of the upper end ring and the lower end ring, the reserved grooves are arranged on the outer sides of the inner seal rings, seal ring installation rings are arranged in the two reserved grooves, the inner ring surfaces of the seal ring installation rings are fixed on the outer seal rings, and the inner seal rings are in extrusion contact with the outer seal rings.
Further, the sealing ring mounting ring comprises a plate body and a ring groove, the plate body is in a circular ring shape, the axial length of the plate body is smaller than that of the whole outer sealing ring, and the ring groove is arranged at the waist of the inner ring surface of the plate body. The sealing ring mounting ring can play a role in supporting the external sealing ring, is convenient to install and is not easy to deform in the installation process.
Further, the outer sealing ring comprises a ring body, an extrusion groove and a limiting ring, the end part of the inner ring surface of the ring body is provided with the extrusion groove corresponding to the inner sealing ring, and the middle part of the outer ring surface of the ring body is provided with the limiting ring matched with the ring groove. The outer sealing ring is arranged on the outer side of the inner sealing ring, so that a double-layer sealing effect is provided, and the sealing performance is improved; the deformation of the inner sealing ring can be matched with the extrusion groove to form a tight contact effect, so that the effectiveness of sealing is ensured.
Furthermore, the two ends of the ring body are respectively provided with a clamping ring, and the end bottoms of the reserved grooves are provided with clamping grooves matched with the clamping rings. The clamping ring is used for fixing the end part of the outer sealing ring through the clamping groove, so that the strength of the structure is improved.
Further, the sealing ring further comprises a deformation groove, wherein the deformation groove is arranged on the outer annular surface of the ring body and corresponds to the inner sealing ring. The deformation groove is beneficial to realizing controllable compression of the ring body.
Further, the section of the inner sealing ring is elliptical, and the inner sealing ring is a hollow ring. The hollow inner sealing ring is easy to realize extrusion deformation to a certain extent, and the whole outer diameter after extrusion is enlarged and embedded into the extrusion groove.
Further, the device also comprises a spring mounting groove and a supporting spring, wherein the spring mounting grooves are formed in the outer sides of the opposite end faces of the upper end ring and the lower end ring, and two ends of the supporting spring are clamped in the corresponding spring mounting grooves. The spring plays a role of elastic support.
Compared with the prior art, the utility model has the beneficial effects that: this flange structure that sealing performance is good has following benefit:
1. according to the flange structure with good sealing performance, the outer sealing ring is arranged on the outer side of the inner sealing ring, so that a double-layer sealing effect is provided, the sealing performance is improved, the deformation of the inner sealing ring can be matched with the extrusion groove, a tight contact effect is formed, and the sealing effectiveness is ensured;
2. the sealing ring mounting ring can play a role in supporting the outer sealing ring, is convenient to mount and is not easy to twist in the mounting process, the length of the sealing ring mounting ring is smaller than the axial length of the outer sealing ring, and the outer sealing ring is required to be extruded during mounting, so that the sealing ring mounting ring is compressed along the axial direction, and is beneficial to being matched with the inner sealing ring;
3. the deformation groove is beneficial to realizing controllable compression of the ring body, the outer sealing ring is coated on the outer side of the inner sealing ring, the air cavities are staggered, the pressure on the inner side is gradually isolated, the leakage is difficult, and the sealing ring has a good effect when being used for flange connection;
4. the hollow inner sealing ring is easy to realize extrusion deformation to a certain extent, the overall outer diameter after extrusion is enlarged, a part of the outer side of the edge of the inner sealing ring is embedded into the extrusion groove to form tight contact, and the sealing effect is improved.
Drawings
FIG. 1 is a schematic diagram of the overall axial structure of the present utility model;
FIG. 2 is a schematic view of the overall cut-away structure of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of the present utility model at A;
FIG. 4 is a schematic view of the assembled outer seal ring and seal ring mounting ring of the present utility model;
fig. 5 is a schematic view of the structure of the outer seal ring of the present utility model.
In the figure: the upper end ring, the 101 groove, the 102 clamping groove, the 2 lower end ring, the 201 annular bulge, the 3 annular plate, the 4 bolt hole, the 5 bolt, the 6 inner sealing ring, the 7 reserved groove, the 8 sealing ring mounting ring, the 801 plate body, the 802 annular groove, the 9 outer sealing ring, the 901 annular body, the 902 extrusion groove, the 903 limiting ring, the 904 clamping ring, the 905 deformation groove, the 10 spring mounting groove and the 11 supporting spring.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present embodiment provides a technical solution: a flange structure with good sealing performance comprises an upper end ring 1, a lower end ring 2 and a reserved groove 7;
upper end ring 1: an annular groove 101 is formed in the lower end face, and an inner sealing ring 6 is placed in the groove 101;
lower end ring 2: the upper end face is provided with a ring protrusion 201 extending into the groove 101, the side faces of the lower end ring 2 and the upper end ring 1 are fixedly connected with ring plates 3, the edges of the two ring plates 3 are provided with bolt holes 4, and the two ring plates 3 are connected through bolts 5 penetrating through the bolt holes 4;
reservation groove 7: two seal ring mounting rings 8 are arranged in the two reserved grooves 7, the inner ring surfaces of the seal ring mounting rings 8 are fixed on the outer seal ring 9, and the inner seal ring 6 is in extrusion contact with the outer seal ring 9;
the outer sealing ring 9 is coated on the outer side of the inner sealing ring 6, the air cavities are staggered, the pressure on the inner side is gradually isolated, leakage is not easy to occur, and the sealing ring has good effect when being used for flange connection;
the section of the inner sealing ring 6 is elliptical, and the inner sealing ring 6 is a hollow ring;
the seal ring mounting ring 8 comprises a plate body 801 and a ring groove 802, wherein the plate body 801 is in a circular ring shape, the axial length of the plate body is smaller than that of the whole outer seal ring 9, and the ring groove 802 is arranged at the waist of the inner ring surface of the plate body 801;
the sealing ring mounting ring 8 can play a role in supporting the external sealing ring 9, is convenient to mount and is not easy to deform in the mounting process;
the outer sealing ring 9 comprises a ring body 901, an extrusion groove 902 and a limiting ring 903, wherein the extrusion groove 902 corresponding to the inner sealing ring 6 is arranged at the end part of the inner ring surface of the ring body 901, and the limiting ring 903 matched with the ring groove 802 is arranged in the middle of the outer ring surface of the ring body 901;
by arranging the outer sealing ring 9 on the outer side of the inner sealing ring 6, a double-layer sealing effect is provided, and the sealing performance is improved; the deformation of the inner sealing ring 6 can be matched with the extrusion groove 902 to form a tight contact effect, so that the effectiveness of sealing is ensured;
the two ends of the ring body 901 are provided with clamping rings 904, and the end bottoms of the reserved grooves 7 are provided with clamping grooves 102 matched with the clamping rings 904;
the clamping ring 904 is used for fixing the end part of the external sealing ring 9 through the clamping groove 102, so that the strength of the structure is improved;
the sealing ring further comprises a deformation groove 905, wherein the deformation groove 905 is arranged on the outer annular surface of the ring body 901, and the deformation groove 905 corresponds to the inner sealing ring 6; deformation groove 905 facilitates controlled compression of the ring body;
the spring mounting device further comprises spring mounting grooves 10 and supporting springs 11, wherein the spring mounting grooves 10 are formed in the outer sides of the opposite end faces of the upper end ring 1 and the lower end ring 2, and two ends of the supporting springs 11 are clamped in the corresponding spring mounting grooves 10.
The working principle of the flange structure with good sealing performance provided by the utility model is as follows:
the upper end ring 1 and the lower end ring 2 are connected with an external pipeline, the inner sealing ring 6 is arranged in the groove 101 during installation, the sealing ring mounting ring 8 with the outer sealing ring 9 is sleeved on the upper end ring 1 and the lower end ring 2 of the reserved groove 7 part, the upper end ring 1 and the lower end ring 2 are aligned, the annular bulge 201 is pressed into the groove 101, the corresponding bolt hole 4 is penetrated through by the bolt 5, the outer nut is matched for locking, the supporting spring 11 is compressed during the extrusion process, the inner sealing ring 6 is extruded by the annular bulge 201, the overall outer diameter of the inner sealing ring 6 is enlarged after extrusion, a part of the outer side of the edge of the inner sealing ring 6 is embedded into the extrusion groove 902 to form tight contact, the outer sealing ring 9 is axially shortened after compression, the extrusion groove 902 is tightly coated on the inner sealing ring 6, and the bolt 5 is locked.
The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the utility model.
Claims (7)
1. A flange structure that sealing performance is good, its characterized in that: comprises an upper end ring (1), a lower end ring (2) and a reserved groove (7);
upper end ring (1): an annular groove (101) is formed in the lower end face, and an inner sealing ring (6) is placed in the groove (101);
lower end ring (2): the upper end face is provided with a ring boss (201) extending into the groove (101), the side faces of the lower end ring (2) and the upper end ring (1) are fixedly connected with ring plates (3), the edges of the two ring plates (3) are provided with bolt holes (4), and the two ring plates (3) are connected through bolts (5) penetrating through the bolt holes (4);
reservation groove (7): two sealing ring mounting rings (8) are arranged in the two reserved grooves (7) and are oppositely arranged on the contact surface of the upper end ring (1) and the lower end ring (2), the reserved grooves (7) are arranged on the outer sides of the inner sealing rings (6), the inner annular surfaces of the sealing ring mounting rings (8) are fixed on the outer sealing rings (9), and the inner sealing rings (6) are in extrusion contact with the outer sealing rings (9).
2. The flange structure with good sealing performance according to claim 1, wherein: the sealing ring mounting ring (8) comprises a plate body (801) and a ring groove (802), wherein the plate body (801) is in a circular ring shape, the axial length of the plate body is smaller than that of the outer sealing ring (9), and the ring groove (802) is arranged at the waist of the inner ring surface of the plate body (801).
3. The flange structure with good sealing performance according to claim 2, wherein: the outer sealing ring (9) comprises a ring body (901), an extrusion groove (902) and a limiting ring (903), wherein the extrusion groove (902) corresponding to the inner sealing ring (6) is formed in the end portion of the inner ring surface of the ring body (901), and the limiting ring (903) matched with the annular groove (802) is arranged in the middle of the outer ring surface of the ring body (901).
4. A flange structure with good sealing performance according to claim 3, characterized in that: both ends of ring body (901) all are equipped with snap ring (904), the end bottom of reservation groove (7) is equipped with draw-in groove (102) with snap ring (904) matched with.
5. A flange structure with good sealing performance according to claim 3, characterized in that: the sealing ring further comprises a deformation groove (905), wherein the deformation groove (905) is formed in the outer annular surface of the ring body (901), and the deformation groove (905) corresponds to the inner sealing ring (6).
6. The flange structure with good sealing performance according to claim 1, wherein: the section of the inner sealing ring (6) is elliptical, and the inner sealing ring (6) is a hollow ring.
7. The flange structure with good sealing performance according to claim 1, wherein: the novel spring support device is characterized by further comprising spring mounting grooves (10) and supporting springs (11), wherein the spring mounting grooves (10) are formed in the outer sides of opposite end faces of the upper end ring (1) and the lower end ring (2), and two ends of each supporting spring (11) are clamped in the corresponding spring mounting grooves (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321047811.8U CN219712618U (en) | 2023-05-05 | 2023-05-05 | Flange structure with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321047811.8U CN219712618U (en) | 2023-05-05 | 2023-05-05 | Flange structure with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219712618U true CN219712618U (en) | 2023-09-19 |
Family
ID=87979439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321047811.8U Withdrawn - After Issue CN219712618U (en) | 2023-05-05 | 2023-05-05 | Flange structure with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219712618U (en) |
-
2023
- 2023-05-05 CN CN202321047811.8U patent/CN219712618U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20230919 Effective date of abandoning: 20260202 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20230919 Effective date of abandoning: 20260202 |