CN202708404U - A two-stage seal flange employing clamping sleeve connection and being used for pipelines - Google Patents

A two-stage seal flange employing clamping sleeve connection and being used for pipelines Download PDF

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Publication number
CN202708404U
CN202708404U CN 201220192031 CN201220192031U CN202708404U CN 202708404 U CN202708404 U CN 202708404U CN 201220192031 CN201220192031 CN 201220192031 CN 201220192031 U CN201220192031 U CN 201220192031U CN 202708404 U CN202708404 U CN 202708404U
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CN
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Grant
Patent type
Prior art keywords
flange
ring
seal
body
sealing
Prior art date
Application number
CN 201220192031
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Chinese (zh)
Inventor
郑欣欣
秦啸
周炯
潘树平
王爱民
杨春雷
林洁良
刘兵
刘昆
Original Assignee
南车眉山车辆有限公司
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Abstract

The utility model provides a two-stage seal flange employing clamping sleeve connection and being used for pipelines, belongs to railway vehicle accessories, and is mainly suitable for connection and seal of brake pipes of vehicles. The two-stage seal flange comprises a connector body and a flange body and is characterized in that the flange body is connected with the connector body through a clamping sleeve; the connector body is sealed with the flange body through seal rings; and an E-shaped seal ring and a diamond-shaped seal ring are disposed between the connector body and the flange body and used for two-stage seal of the flange. The seal rings in the flange comprise the E-shaped seal ring and the diamond-shaped seal ring, which form two-stage stacked seal in the flange, realize reliable seal, are complementary in the seal function, perform combined protection on the flange, and thus protect the flange from rain, snow, sand blown by the wind, and corrosive medium through the two-stage protection.

Description

一种采用卡套连接的管路用两级密封法兰 Using one kind of line card connecting sleeve with two sealing flange

技术领域: FIELD:

[0001] 一种采用卡套连接的管路用两级密封法兰,属铁路车辆配件,主要适用于车辆制动管的连接及密封。 [0001] A use of a line connecting two ferrule sealing flange, a railway vehicle parts, the main seal of the vehicle and adapted to be connected to the brake pipe.

背景技术: Background technique:

[0002] 长期以来,铁路车辆制动管用法兰结构单一,密封性差,且无防护措施,法兰的刚度较差,变形较大,易导致制动管密封不良,压力空气漏泄,甚至失效,影响着铁路车辆的正常使用。 [0002] For a long time, the railway vehicle brake pipe flange unitary structure, poor sealing, and no protective measures, the flange poor rigidity, large deformation, easily resulting in poor seal brake pipe pressure air leakage, or even failure, affect the normal use of railway vehicles.

[0003] 近年来,铁路车辆制动管法兰密封不良、压力空气漏泄的现状并未改观,且还有着愈演愈烈的趋势,尤其是铁路车辆遇到恶劣的运用环境,如低温、雨雪、风沙及腐蚀介质等,易导致制动管法兰的连接与密封失效,严重地影响到铁路车辆的行车安全。 [0003] In recent years, rail vehicles brake pipe flange seal bad, the status quo has not changed pressure air leakage, and there is a growing trend, especially the use of railway vehicles inclement environment, such as temperature, rain, snow, sand and other corrosive media, easily lead to the brake pipe flange connected to the seal failure, seriously affect the driving safety of the railway vehicle.

发明内容: SUMMARY:

[0004] 本实用新型针对上述问题,提供一种接头体与法兰体采用卡套连接、可进行两级密封、密封可靠的管路用法兰。 [0004] The above problems the present invention, there is provided a connector body and ferrule body with flange connections, can be two seals, the seal is reliable pipeline flange. 其技术方案如下: Technical solutions are as follows:

[0005] 它包括接头体和法兰体,其关键技术是法兰体与接头体采用卡套连接,接头体和法兰体通过密封圈密封,在接头体和法兰体之间设置E形密封圈和菱形密封圈对法兰实施两级密封。 [0005] It comprises a connector body and a flange member, the flange body which is the key technology of the joint body with the ferrule connecting joint body and the flange thereof via a sealing ring, is provided between the E-shaped flange body and the connector body a diamond ring and two sealing ring embodiment of the flange.

[0006] 与现有技术相比,本实用新型具有的有益效果是: [0006] Compared with the prior art, the present invention has beneficial effects:

[0007] 法兰中的密封圈包括E形密封圈及菱形密封圈,在法兰中处于同一平面内,E形密封圈在内层对法兰形成防护,菱形密封圈在外围对法兰形成防护。 [0007] The flange seal includes a diamond ring and E-ring, located in the same plane in the flange, E-ring is formed in the inner flange of the shield, the diamond ring formed in the peripheral flange on the protection. 两种密封圈在法兰中进行两级层叠式密封,密封可靠,在密封功能上互补,对法兰实施联合防护,两级防护可有效防止雨雪、风沙及腐蚀介质对法兰的损坏。 Two kinds of the sealing ring in the flange seal two stacked, reliable sealing, sealing function in a complementary, joint protection of flanges embodiment, two protection against damages snow, sand and corrosive media flange.

附图说明: BRIEF DESCRIPTION OF:

[0008] 图1,是本实用新型结构示意图; [0008] FIG. 1 is a schematic view of the structure of the present invention;

[0009] 图2,是图I俯视图; [0009] FIG. 2 is a plan view of Figure I;

[0010] 图3,是图I局部放大图; [0010] FIG. 3 is a partially enlarged view of FIG. I;

[0011] 图4,是本实用新型菱形密封圈横截面示意图。 [0011] FIG. 4 is a schematic sectional view of the present invention rhombic cross-seals.

具体实施方式: detailed description:

[0012] 如图I-图4所示,本实用新型包括接头体4和法兰体2,其关键技术是法兰体2与接头体4采用卡套I连接,接头体4和法兰体2通过密封圈3密封,在接头体4和法兰体2之间设置E形密封圈3. I和菱形密封圈3. 2对法兰实施两级密封。 [0012] FIG I- FIG. 4, the present invention includes a connector body 4 and the flange 2, which flange 2 is a key technology to the joint use of 4 I ferrule connector, the connector body 4 and a flange member 2 by a sealing ring 3, E is provided, and diamond-shaped seal ring 3. I 3.2 pairs embodiment two flange seal between the joint body 4 and the flange 2. E形密封圈3. I和菱形密封圈3. 2在法兰中处于同一平面内,E形密封圈3. I置于法兰内侧,菱形密封圈3. 2置于法兰外侧。 3. I E-ring seals, and diamond in the flange 3.2 in the same plane, E-ring 3. I flange disposed inside the diamond ring 3.2 placed outside the flange. 菱形密封圈3. 2的横截面形状为菱形,菱形横截面轴向方向的一对角构成轴向密封部5,径向方向的一对角构成径向密封部6,轴向密封部5和径向密封部6分别为圆弧形,使密封圈横截面形成菱形。 A pair of corner seals rhombic cross-sectional shape of 3.2 5 constituting an axial sealing portion, the radial direction of rhombus shaped cross section which the axial direction of a diagonal constituting the radial seal portion 6, and the axial sealing portion 5 radial sealing portion 6 are arc-shaped, cross-section of the seal ring form a diamond. E形密封圈3. I的轴向高度L为6-8_,菱形密封圈3. 2的轴向高度L为6-8mm,最好是7mm。 Axial height 3. I L E-ring is 6-8_, diamond ring axial height of 3.2 L is 6-8mm, preferably 7mm.

Claims (5)

  1. 1. 一种采用卡套连接的管路用两级密封法兰,包括接头体(4)和法兰体(2),其特征是法兰体(2)与接头体(4)采用卡套(I)连接,接头体(4)和法兰体(2)通过密封圈(3)密封,在接头体(4)和法兰体(2)之间设置E形密封圈(3. I)和菱形密封圈(3. 2)对法兰实施两级密封。 A connector using the ferrule line with two sealing flanges, comprising a connector body (4) and the flange body (2), characterized in that the flange body (2) and the connector body (4) using the ferrule (I) is connected to the joint body (4) and the flange (2) (3) sealed by a sealing ring, the joint body (4) and the flange (2) set E-ring (3. I) between and a diamond ring (3.2) of the two sealing flanges embodiment.
  2. 2.根据权利要求I所述采用卡套连接的管路用两级密封法兰,其特征是菱形密封圈(3. 2)的横截面形状为菱形,菱形横截面轴向方向的一对角构成轴向密封部(5),径向方向的一对角构成径向密封部(6 ),轴向密封部(5 )和径向密封部(6 )分别为圆弧形,使密封圈横截面形成菱形。 The use of the I line is connected with the two ferrule sealing flange, which is a cross-sectional shape of a rhombus wherein the sealing ring (3.2) is a diamond shaped cross section which the axial direction of a diagonal claim a pair of corner portions constituting the axial seal (5), radial direction for radial sealing portion (6), an axial sealing portion (5) and a radial sealing portion (6) are arcuate, the seal ring cross- rhombic cross-section is formed.
  3. 3.根据权利要求I所述采用卡套连接的管路用两级密封法兰,其特征是E形密封圈(3.1)置于法兰内侧,菱形密封圈(3. 2)置于法兰外侧。 3. The use according to claim I with a line connecting two ferrule sealing flange, characterized in that the E-ring (3.1) placed on the inner side of the flange, the diamond ring (3.2) placed on the flange outside.
  4. 4.根据权利要求I所述采用卡套连接的管路用两级密封法兰,其特征是E形密封圈(3. I)和菱形密封圈(3.2)在法兰中处于同一平面内。 4. The use according to claim I with a line connecting two ferrule sealing flange, characterized in that the E-ring (3. I), and diamond ring (3.2) in the same plane in the flange.
  5. 5.根据权利要求I所述采用卡套连接的管路用两级密封法兰,其特征在于E形密封圈(3. I)的轴向高度L为6-8mm,菱形密封圈(3. 2)的轴向高度L为6_8mm。 5. The use according to claim I with a line connecting two ferrule sealing flange, characterized in that the E-ring (3. I) and L is the axial height of 6-8mm, diamond ring (3. 2) L is the axial height 6_8mm.
CN 201220192031 2012-04-28 2012-04-28 A two-stage seal flange employing clamping sleeve connection and being used for pipelines CN202708404U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220192031 CN202708404U (en) 2012-04-28 2012-04-28 A two-stage seal flange employing clamping sleeve connection and being used for pipelines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220192031 CN202708404U (en) 2012-04-28 2012-04-28 A two-stage seal flange employing clamping sleeve connection and being used for pipelines

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CN202708404U true CN202708404U (en) 2013-01-30

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104075052A (en) * 2014-07-18 2014-10-01 姚丽娟 Pipeline connection flange
CN104315278A (en) * 2014-10-31 2015-01-28 齐齐哈尔轨道交通装备有限责任公司 Flange structure
CN104676157A (en) * 2013-12-03 2015-06-03 上海宇航系统工程研究所 Pipeline sealing device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104676157A (en) * 2013-12-03 2015-06-03 上海宇航系统工程研究所 Pipeline sealing device
CN104075052A (en) * 2014-07-18 2014-10-01 姚丽娟 Pipeline connection flange
CN104315278A (en) * 2014-10-31 2015-01-28 齐齐哈尔轨道交通装备有限责任公司 Flange structure

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