Stainless steel flange capable of achieving precise sealing connection

Abstract

The utility model relates to the technical field of stainless steel flanges, in particular to a stainless steel flange capable of achieving accurate sealing connection, which comprises a first flange plate, a second flange plate is abutted against one side of the first flange plate, and rubber gaskets are arranged in the first flange plate and the second flange plate. Vent holes are formed in the first flange plate and the second flange plate, a rotating ring is connected to the outer wall of the first flange plate, and a grip is fixedly connected to the outer wall of the rotating ring. Before the stainless steel flange is installed, the rubber washers are located in the grooves of the first flange plate and the second flange plate, the rubber washers are guided and limited during installation, the thickness of the rubber washers is larger than the total depth of the grooves of the first flange plate and the second flange plate, and after installation is completed, the rubber washers are extruded and filled. The sealing performance of the flange is further improved, installation operation is easy and fast, multiple bolts do not need to be used for screwing and installation again, and the installation efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to stainless steel flange technical field, concretely is a stainless steel flange that can accurate sealing connection. BACKGROUND

[0002] Stainless steel flange, also called flange flange plate or lug, flange is the part of mutual connection between shaft and shaft, is used for the connection between pipe ends, also has the flange of equipment inlet and outlet, is used for the connection between two devices.

[0003] However, the existing stainless steel flan when installing, before the butt joint of two flanges, only one gasket is placed on one side of the contact surface of two flanges, only the gasket is used for sealing, and the sealing effect is poor, and after placing the gasket, the gasket is not guided, and the subsequent flange installation, the gasket will have some position deviation, further affect the sealing effect of flange. UTILITY MODEL CONTENTS

[0004] The utility model discloses a stainless steel flange that can accurate sealing connection to solve the problem that gasket sealing is poor in the background art, and gasket is not guided and limited.

[0005] To achieve the above object, the utility model provides the following technical scheme: a stainless steel flange that can accurate sealing connection, comprising:

[0006] The one flange plate is provided with the two flange plate on one side, and the inside of the one flange plate and the two flange plate is provided with rubber ring, the inside of the one flange plate and the two flange plate is provided with the vent hole, the outer wall of the one flange plate is connected with the rotating ring, the outer wall of the rotating ring is fixedly connected with the handle, the side, away from the two flange plate of the rotating ring, is fixedly installed with the gear ring, the inner wall of the gear ring is engaged with the gear, the inside of the nut pair that the inner wall of the gear is fixedly provided is provided with the lead screw, the inside of the lead screw is inserted with the guide rod, the end, close to the two flange plate of the lead screw, is fixedly connected with the connecting rod, the inside of the connecting rod is fixedly provided with the shaft, and the outer wall of the shaft is connected with the rotating plate.

[0007] Preferably, the one flange plate and the two flange plate are provided with a groove corresponding to the size of the rubber ring, and the depth of the groove is less than half the thickness of the rubber ring.

[0008] Preferably, one end of the vent hole leads to a groove corresponding to the size of the rubber ring of the one flange plate and the two flange plate.

[0009] Preferably, the rotating ring is rotatably connected with the one flange plate, and the gear is rotatably connected with the one flange plate around the central axis of the lead screw.

[0010] Preferably, the first flange plate is provided with a hole corresponding to the screw rod, and the screw rod is in sliding connection with the first flange plate.

[0011] Preferably, the screw rod is provided with a sliding groove corresponding to the size of the guide rod, and the guide rod is in fixed connection with the first flange plate.

[0012] Preferably, the second flange plate is provided with a hole corresponding to the size of the connecting rod, and the connecting rod is in sliding connection with the second flange plate, and the rotating plate is in rotating connection with the shaft rod.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The rubber gasket is inserted into the groove of the first flange plate before the stainless steel flange is installed, air in the groove is discharged from the air hole, the second flange plate is installed corresponding to the rubber gasket, the hole of the second flange plate is aligned with the connecting rod, the end of the rubber gasket away from the first flange plate is inserted into the groove of the second flange plate, the connecting rod passes through the hole of the second flange plate, the rotating plate is rotated out of the connecting rod around the shaft rod, the handle is rotated, the handle drives the rotating ring to rotate, the rotating ring drives the gear ring to rotate, the gear ring drives the gear to rotate, the gear drives the nut pair to rotate, the nut pair drives the screw rod to move away from the second flange plate, the screw rod drives the connecting rod, the shaft rod and the rotating plate to move, so that the rotating plate is abutted on the outer wall of the second flange plate, and installation is completed, the rubber gasket is located in the groove of the first flange plate and the second flange plate, the rubber gasket is guided and limited during installation, the thickness of the rubber gasket is greater than the total depth of the groove of the first flange plate and the second flange plate, the rubber gasket is filled after installation is completed, the sealing property of the flange is further improved, installation operation is simple and fast, and it is not necessary to use multiple bolts to be retightened and installed, so that the installation efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure front schematic view of the utility model;

[0016] Figure 2 It is the part structure section schematic view of the utility model;

[0017] Figure 3 It is the part structure schematic view of the utility model; Figure 2 It is the part structure schematic view of the utility model;

[0018] Figure 4 It is the whole structure back schematic view of the utility model;

[0019] Figure 5 It is the explosion schematic view of part of the utility model.

[0020] In the figure: 01, the first flange; 02, the second flange; 03, rubber ring; 04, vent hole; 05, swivel ring; 06, handle; 07, gear ring; 08, gear; 09, nut pair; 10, screw rod; 11, guide rod; 12, connecting rod; 13, shaft; 14, rotating plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figures 1-5 The rubber ring 03 and the nut pair 09 used in the present application are products that can be directly purchased on the market, and their principles and connection methods are well-known existing technologies to those skilled in the art, so they will not be described here.

[0023] The utility model provides a flange sealing structure, including: a flange 01, the one side of flange 01 abuts with the flange 02 of No. 2, the inside of flange 01 and the flange 02 of No. 2 is provided with rubber ring 03, when rubber ring 03 is inserted into the recess of flange 01 and the flange 02 of No. 2, the air in the recess of flange 01 and the flange 02 of No. 2 can be discharged through the air hole 04, avoid the recess in the pressure of being too big, influence the insertion of rubber ring 03, the inside of flange 01 and the flange 02 of No. 2 is all seted up with air hole 04, the outer wall of flange 01 is connected with the rotating ring 05, when rotating ring 05 rotates, can drive the gear ring 7 rotation, the gear ring 7 rotation can drive the gear 8 rotation, in turn drive the nut pair 9 rotation, the nut pair 9 rotation drives the lead screw 10 and the connecting rod 12 movement, the outer wall of rotating ring 05 is fixedly connected with the handle 6, the side of rotating ring 05 away from the flange 02 of No. 2 is fixedly installed with the gear ring 7, the inner wall of gear ring 7 is engaged with the gear 8, the inner wall of gear 8 is fixedly provided with the nut pair 9, the inside of nut pair 9 is provided with the lead screw 10, the lead screw 10 can move in the hole of flange 01, the lead screw 10 drives the connecting rod 12 movement, in turn make the rotating plate 14 abut on the outer wall of the flange 02 of No. 2, the inside of the lead screw 10 one side is inserted with the guide rod 11, the guide rod 11 plays the role of limiting, the guide rod 11 can limit the lead screw 10, the end of the lead screw 10 close to the flange 02 of No. 2 is fixedly connected with the connecting rod 12, the inside of connecting rod 12 is fixedly provided with the shaft 13, the outer wall of shaft 13 is connected with the rotating plate 14, rotating plate 14 is rotated into the connecting rod 12 around the shaft 13, does not affect the connecting rod 12 to pass through the hole of the flange 02 of No. 2, rotating plate 14 is rotated out of the connecting rod 12 around the shaft 13, rotating plate 14 can abut on the outer wall of the flange 02 of No. 2.

[0024] Further, the recess is formed in the flange 01 and the flange 02 of No. 2 corresponding to the size of the rubber ring 03, and the depth of the recess is less than half the thickness of the rubber ring 03. After subsequent fastening and installation, the rubber ring 03 can be squeezed and filled, further improving the sealing performance of the flange.

[0025] Further, one end of the air hole 04 leads to the recess formed in the flange 01 and the flange 02 of No. 2 corresponding to the size of the rubber ring 03. When the rubber ring 03 is inserted into the recess of the flange 01 and the flange 02 of No. 2, the air in the recess of the flange 01 and the flange 02 of No. 2 can be discharged through the air hole 04, avoiding excessive pressure in the recess and affecting the insertion of the rubber ring 03.

[0026] Further, the rotating ring 05 is in rotational connection with the first flange plate 01, the rotating ring 05 can drive the gear ring 07 to rotate when rotating, the gear ring 07 can drive the gear 08 to rotate when rotating, further driving the nut pair 09 to rotate, the nut pair 09 drives the lead screw 10 and the connecting rod 12 to move when rotating, the gear 08 is in rotational connection with the first flange plate 01 around the center axis of the lead screw 10, ensuring that the first flange plate 01 does not affect the rotation of the gear 08, the gear 08 drives the nut pair 09 to rotate, further driving the lead screw 10 and the connecting rod 12 to move.

[0027] Further, the first flange plate 01 is provided with a hole corresponding to the lead screw 10, and the lead screw 10 is in sliding connection with the first flange plate 01, the lead screw 10 can move in the hole of the first flange plate 01, the lead screw 10 drives the connecting rod 12 to move, further making the rotating plate 14 abut against the outer wall of the second flange plate 02.

[0028] Further, the lead screw 10 is provided with a sliding groove corresponding to the size of the guide rod 11, and the guide rod 11 is in fixed connection with the first flange plate 01, the guide rod 11 plays a limiting role, the guide rod 11 can limit the lead screw 10, ensuring that the lead screw 10 can move, the lead screw 10 drives the connecting rod 12 to move, further making the rotating plate 14 abut against the outer wall of the second flange plate 02.

[0029] Further, the second flange plate 02 is provided with a hole corresponding to the size of the connecting rod 12, and the connecting rod 12 is in sliding connection with the second flange plate 02, the rotating plate 14 is located in the connecting rod 12, without affecting the connecting rod 12 to pass through the hole of the second flange plate 02, the rotating plate 14 is in rotational connection with the shaft 13, rotating the rotating plate 14 into the connecting rod 12 around the shaft 13, without affecting the connecting rod 12 to pass through the hole of the second flange plate 02, rotating the rotating plate 14 out of the connecting rod 12 around the shaft 13, the rotating plate 14 can abut against the outer wall of the second flange plate 02.

[0030] Working principle: when in use, first, the rubber gasket 03 is inserted into the groove corresponding to the first flange plate 01, the air in the groove is discharged from the air hole 04, then the second flange plate 02 is installed corresponding to the rubber gasket 03, the hole of the second flange plate 02 is aligned with the connecting rod 12, the end of the rubber gasket 03 away from the first flange plate 01 is inserted into the groove of the second flange plate 02, the connecting rod 12 passes through the hole of the second flange plate 02, the rotating plate 14 is rotated out of the connecting rod 12 around the shaft 13, the handle 06 is rotated, the handle 06 drives the rotating ring 05 to rotate, the rotating ring 05 drives the gear ring 07 to rotate, the gear ring 07 drives the gear 08 to rotate, the gear 08 drives the nut pair 09 to rotate, the nut pair 09 drives the lead screw 10 to move away from the second flange plate 02, the lead screw 10 drives the connecting rod 12, the shaft 13 and the rotating plate 14 to move, making the rotating plate 14 abut against the outer wall of the second flange plate 02, so that the installation is completed. The above is the whole working principle of the utility model.

[0031] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments and that the application can be implemented in other particular forms without departing from the spirit or essential characteristics of the application. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. No feature of the application is considered critical unless it is expressly stated in the claims.

Claims

1. A stainless steel flange capable of precision sealing connection, characterized in that, Include: The one flange (01), one side of the flange (01) abuts the second flange (02), the inside of the flange (01) and the second flange (02) is provided with rubber ring (03), the inside of the flange (01) and the second flange (02) is provided with vent hole (04), the outer wall of the flange (01) is connected with the rotating ring (05), the outer wall of the rotating ring (05) is fixedly connected with the handle (06), the rotating ring (05) is fixedly installed with the gear ring (07) away from the second flange (02), the inner wall of the gear ring (07) is engaged with the gear (08), the inner wall of the gear (08) is fixedly provided with nut pair (09), the inside of the nut pair (09) is provided with lead screw (10), the inside of the lead screw (10) is inserted with guide rod (11), the end of the lead screw (10) close to the second flange (02) is fixedly connected with connecting rod (12), the inside of the connecting rod (12) is fixedly provided with shaft (13), the outer wall of the shaft (13) is connected with the rotating plate (14).

2. A stainless steel flange capable of precision sealing connection according to claim 1, characterized in that: The flange (01) and the second flange (02) are provided with a groove corresponding to the size of the rubber ring (03), and the depth of the groove is less than half the thickness of the rubber ring (03).

3. The stainless steel flange capable of precise sealing connection according to claim 1, characterized in that: The vent hole (04) is connected to the flange (01) and the second flange (02) corresponding to the size of the rubber ring (03) and is provided with a groove.

4. The stainless steel flange capable of precise sealing connection according to claim 1, characterized in that: The rotating ring (05) is rotatably connected with the flange (01), and the gear (08) is rotatably connected with the flange (01) around the center axis of the lead screw (10).

5. A stainless steel flange capable of precision sealing connection according to claim 2, characterized in that: The flange (01) is provided with a hole corresponding to the lead screw (10), and the lead screw (10) is slidably connected with the flange (01).

6. A stainless steel flange capable of precision sealing connection according to claim 3, characterized in that: The lead screw (10) is provided with a sliding groove corresponding to the size of the guide rod (11), and the guide rod (11) is fixedly connected with the flange (01).

7. A stainless steel flange capable of precision sealing connection according to claim 4, characterized in that: The second flange (02) is provided with a hole corresponding to the size of the connecting rod (12), and the connecting rod (12) is slidably connected with the second flange (02), and the rotating plate (14) is rotatably connected with the shaft (13).

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