Stainless steel flange

Abstract

The utility model relates to the technical field of flanges, in particular to a stainless steel flange which is characterized in that a connecting assembly comprises a connecting disc located between a flange A and a flange B, a sealing gasket A, a sealing gasket B and a plurality of bolts, one end of the sealing gasket B is inserted into an annular groove B and fixedly connected with the flange A and the flange B through sealing glue, and the other end of the sealing gasket B is located outside the annular groove B. The annular groove A and the annular groove B coincide in position. A plurality of through holes are formed in the flange A, the flange B and the connecting disc; and after bolts are inserted into the through holes to be fixedly connected with the flange A, the flange B and the connecting disc, the other end of the sealing gasket B is inserted into the ring groove A to be fixedly connected with the sealing gasket A. The sealing gasket has high sealing performance, and solves the problems that when the bolt is tightened, the bolt on one side is tightened more tightly than the bolt on the other side, the stress of the sealing gasket is not uniform, a gap is formed between the sealing gasket and the flange, the sealing effect is poor, and liquid leaks from the gap.

Description

TECHNICAL FIELD

[0001] The utility model relates to flange technical field, concretely relates to a stainless steel flange. BACKGROUND

[0002] ‌Stainless steel flange is two ring parts connected with each other, is fixed together through bolt, has the hole in the middle, is used for connecting pipeline or equipment‌. Flange connection is by flange, gasket and bolt three interconnects as a group combined seal structure's detachable connection.

[0003] When flange installation, bolt is located at the outside of sealing pad, sealing pad is located between two flanges. Because bolt tightness degree is not easy to keep uniform, when tightening bolt, it can appear that one side bolt is screwed than the other side more tight, this can appear uneven force of sealing pad, gap can appear between sealing pad and flange, thereby leading to the problem of not strong sealing effect, leading to liquid seepage from the gap. UTILITY MODEL CONTENTS

[0004] The utility model discloses a stainless steel flange to solve the problem in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a stainless steel flange, including flange A, the flange B in the right side of flange A, its characterized in that: flange A and flange B are connected through connecting assembly, the connecting assembly includes the connecting disc between flange A and flange B, sealing pad A and sealing pad B, a plurality of bolts, the ring groove A is set up on the left and right side wall of connecting disc, sealing pad A is located in the ring groove A and is fixedly connected with connecting disc through sealing glue, the ring groove B is set up on the side wall of flange A and flange B towards connecting disc, one end of sealing pad B is inserted into ring groove B and is fixedly connected with flange A and flange B through sealing glue, the other end of sealing pad B is located in the outside of ring groove B, the ring groove A and ring groove B are coincident in position, a plurality of through holes are set up on flange A, flange B and connecting disc, after the bolt is inserted into through hole and is fixedly connected with flange A, flange B and connecting disc, the other end of sealing pad B is inserted into ring groove A and is fixedly connected with sealing pad A.

[0006] Preferably, the sealing pad A is fixedly provided with a convex ring on the side towards the sealing pad B, a groove matched with the convex ring is formed in the sealing pad B, and the convex ring is inserted into the groove and fixedly connected with the sealing pad B.

[0007] Preferably, a sealing pad C is fixedly arranged in the inside of the sealing pad B, and the sealing pad C is located on the left and right sides of the connecting disc and fixedly connected with the connecting disc, the flange A and the flange B.

[0008] Preferably, the sealing gasket B is fixedly provided with a sealing gasket D having a through hole for the bolt to pass through, and the sealing gasket D is located on the left and right sides of the connecting disc and is fixedly connected with the connecting disc, the flange A and the flange B.

[0009] Preferably, the left and right sides of the connecting disc are fixedly provided with a stop sleeve located outside the flange A and the flange B.

[0010] Preferably, the left and right sides of the connecting disc are fixedly provided with a stop sleeve located outside the flange A and the flange B.

[0011] Preferably, the sealing gasket A and the sealing gasket B are made of nitrile rubber material, and the sealing gasket C and the sealing gasket D are made of natural rubber material.

[0012] The utility model discloses a flange and connecting disc fixed connection structure, including flange A, flange B and connecting disc, the connecting disc is fixedly connected with flange A and flange B, the left and right sides of connecting disc are fixedly provided with ring groove A and ring groove B, the ring groove A is fixedly connected with sealing gasket A, and the ring groove B is fixedly connected with sealing gasket B. BRIEF DESCRIPTION OF DRAWINGS

[0013] ATTACHED Figure 1 It is the structural schematic diagram of the utility model;

[0014] ATTACHED Figure 2 It is the explosion schematic diagram of the utility model;

[0015] ATTACHED Figure 3 It is the left view of the utility model;

[0016] ATTACHED Figure 4 It is the left view of the utility model; Figure 3 It is the section view of A-A.

[0017] In the figure: 1, flange A; 2, flange B; 3, connecting disc; 4, gasket A; 5, gasket B; 6, bolt; 7, ring groove A; 8, ring groove B; 9, through hole; 10, convex ring; 11, recess; 12, gasket C; 13, gasket D; 14, through hole; 15, baffle sleeve; 16, positioning block; 17, positioning groove. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0019] As Figures 1-4The utility model discloses a stainless steel flange, including flange A1, located flange B2 in the right side of flange A1, flange A1 and flange B2 are connected through connecting component, the connecting component includes the connecting disc 3 between flange A1 and flange B2, sealing washer A4 and sealing washer B5, a plurality of bolts 6, the annular groove A7 is established on the left and right two side walls of connecting disc 3, sealing washer A4 is located annular groove A7 inside and is fixedly connected with connecting disc 3 through sealing glue, flange A1 and flange B2 are all established on the side wall towards connecting disc 3 annular groove B8, and sealing washer B5 one end inserts annular groove B8 and is fixedly connected with flange A1 and flange B2 through sealing glue, and sealing washer B5 other end is located annular groove B8 outside, and annular groove A7 and annular groove B8 position coincide, a plurality of through -holes 9 are established on flange A1, flange B2 and connecting disc 3, and after the bolt 6 is inserted through -hole 9 and is fixedly connected with flange A1, flange B2 and connecting disc 3, sealing washer B5 other end inserts annular groove A7 and is fixedly connected with sealing washer A4.

[0020] Preferably, the sealing washer A4 is fixedly provided with a convex ring 10 on one side facing the sealing washer B5, the sealing washer B5 is provided with a groove 11 matched with the convex ring 10, and the convex ring 10 is inserted into the groove 11 and fixedly connected with the sealing washer B5. Since the convex ring 10 is inserted into the groove 11 and fixedly connected with the sealing washer B5, the contact area is increased, and the sealing washer A4 and the sealing washer B5 are tightly attached.

[0021] Preferably, the sealing gasket B5 is fixedly provided with sealing gaskets C12 on the left and right sides of the connecting disc 3 and is fixedly connected with the connecting disc 3, the flange A1 and the flange B2. Since the sealing gaskets C12 are located on the left and right sides of the connecting disc 3 and are fixedly connected with the connecting disc 3, the flange A1 and the flange B2, the sealing performance is further enhanced.

[0022] Preferably, the sealing gasket B5 is fixedly provided with sealing gaskets D13 on the left and right sides of the connecting disc 3 and is fixedly connected with the connecting disc 3, the flange A1 and the flange B2. Since the sealing gaskets D13 are provided with through holes 14 for the bolts 6 to pass through, the bolts 6 can pass through conveniently. Since the sealing gaskets D13 are located on the left and right sides of the connecting disc 3 and are fixedly connected with the connecting disc 3, the flange A1 and the flange B2, the connecting position of the bolts 6 is sealed.

[0023] Preferably, the connecting disc 3 is fixedly provided with stop sleeves 15 on the left and right sides of the flange A1 and the flange B2. Since the connecting disc 3 is fixedly provided with the stop sleeves 15 on the left and right sides of the flange A1 and the flange B2, the impurities outside are prevented from entering the connecting position of the flange A1 and the flange B2 with the connecting disc 3.

[0024] Preferably, the flange A1 and the flange B2 are fixedly provided with positioning blocks 16, the stop sleeves 15 are provided with positioning grooves 17 matched with the positioning blocks 16, and the positioning blocks 16 are inserted into the positioning grooves 17 so that the through holes 9 on the connecting disc 3 are aligned with the through holes 9 on the flange A1 and the flange B2. Since the positioning blocks 16 are inserted into the positioning grooves 17 so that the through holes 9 on the connecting disc 3 are aligned with the through holes 9 on the flange A1 and the flange B2, the installation position of the flange A1 and the flange B2 is positioned conveniently and the bolts 6 are installed conveniently.

[0025] Preferably, the sealing gaskets A4 and B5 are made of nitrile rubber material, and the sealing gaskets C12 and D13 are made of natural rubber material. Since the sealing gaskets A4 and B5 are made of nitrile rubber material, the sealing gaskets A4 and B5 have the characteristics of good air tightness, wear resistance and tear resistance. Since the sealing gaskets C12 and D13 are made of natural rubber material, the sealing gaskets C12 and D13 have the characteristic of good elasticity. When the bolts 6 are loose to different degrees, the sealing gaskets C12 and D13 can also be deformed to prevent the connecting position from having gaps.

[0026] The above description is only the preferred embodiment of the present application and is not used to limit the present application. Any modification, equivalent replacement, improvement and the like within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A stainless steel flange comprising a flange A (1), a flange B (2) located on the right side of the flange A (1), characterized in that: The flange A (1) and the flange B (2) are connected through a connecting assembly, the connecting assembly comprises a connecting disc (3) between the flange A (1) and the flange B (2), a sealing gasket A (4) and a sealing gasket B (5), a plurality of bolts (6), the connecting disc (3) is provided with ring grooves A (7) on the left and right two side walls, the sealing gasket A (4) is located in the ring groove A (7) and is fixedly connected with the connecting disc (3) through sealing glue, the flange A (1) and the flange B (2) are provided with ring grooves B (8) on the side wall towards the connecting disc (3), one end of the sealing gasket B (5) is inserted into the ring groove B (8) and is fixedly connected with the flange A (1) and the flange B (2) through sealing glue, the other end of the sealing gasket B (5) is located outside the ring groove B (8), the ring groove A (7) and the ring groove B (8) are coincident in position, a plurality of through holes (9) are formed in the flange A (1), the flange B (2) and the connecting disc (3), after the bolts (6) are inserted into the through holes (9) and fixedly connected with the flange A (1), the flange B (2) and the connecting disc (3), the other end of the sealing gasket B (5) is inserted into the ring groove A (7) and fixedly connected with the sealing gasket A (4).

2. A stainless steel flange according to claim 1, characterized in that: The sealing gasket A (4) is fixedly provided with a convex ring (10) on the side towards the sealing gasket B (5), the sealing gasket B (5) is provided with a groove (11) matched with the convex ring (10), the convex ring (10) is inserted into the groove (11) and fixedly connected with the sealing gasket B (5).

3. A stainless steel flange as claimed in claim 1, wherein: The sealing gasket B (5) is fixedly provided with a sealing gasket C (12) on the inner side, the sealing gasket C (12) is located on the left and right sides of the connecting disc (3) and is fixedly connected with the connecting disc (3), the flange A (1) and the flange B (2).

4. A stainless steel flange according to claim 3, characterized in that: The sealing gasket B (5) is fixedly provided with a sealing gasket D (13) on the outer side, the sealing gasket D (13) is provided with through holes (14) for the bolts (6) to pass through, and the sealing gasket D (13) is located on the left and right sides of the connecting disc (3) and is fixedly connected with the connecting disc (3), the flange A (1) and the flange B (2).

5. A stainless steel flange as defined in claim 1, wherein: The connecting disc (3) is fixedly provided with a retainer (15) on the left and right sides and outside the flange A (1) and the flange B (2).

6. A stainless steel flange according to claim 5, characterized in that: The flange A (1) and the flange B (2) are fixedly provided with positioning blocks (16) on the outer sides, the retainer (15) is provided with positioning grooves (17) matched with the positioning blocks (16), and the positioning blocks (16) are inserted into the positioning grooves (17) so that the through holes (9) on the connecting disc (3) are aligned with the through holes (9) on the flange A (1) and the flange B (2).

7. A stainless steel flange as defined in claim 4, wherein: The sealing gasket A (4) and the sealing gasket B (5) are made of butyronitrile rubber material, and the sealing gasket C (12) and the sealing gasket D (13) are made of natural rubber material.

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