Flange convenient to install

Abstract

The flange convenient to install comprises a flange body, flange grooves formed in the edge of the flange body at equal angles, a rubber butt joint cylinder and a rubber sealing sleeve, the rubber butt joint cylinder and the rubber sealing sleeve are used for connection, the rubber sealing sleeve is inserted into the flange body, and a sealing ring is arranged on the outer surface of the rubber sealing sleeve in a sleeved mode. And the sealing ring is tightly attached between the flange body and the rubber butt joint cylinder, and the anti-loosening mechanisms are symmetrically arranged on the left side and the right side of the connecting screw rod and used for locking and limiting the fixing nuts. According to the flange convenient to install, the double-sealing effect can be achieved, the actual sealing effect is greatly improved, the flange bodies on the left side and the right side are limited by combining the connecting screw rods and the fixing nuts, and through arrangement of the anti-loosening mechanisms, the fixing nuts are conveniently locked; and rotation and loosening in the long-term use process are prevented.

Description

Technical Field

[0001] The utility model relates to the technical field related to flanges, in particular to a flange which is easy to install. Background Art

[0002] Flange is a part used to connect two pipes or equipment to achieve sealing and connection. Flange has many advantages, such as simple structure, easy disassembly and good sealing performance, so it has been widely used in the industrial field.

[0003] With reference to Chinese patent authorization announcement number CN215294008U, the authorization announcement date is 2021.12.24, which discloses a flange that is easy to install, including a main flange and a secondary flange, wherein a stabilizing seat is fixedly installed in the middle of the interior of the main flange, and one end of a stabilizing rod is fixedly installed on both sides of the upper outer side of the stabilizing seat, and a connecting pipe groove is provided inside the stabilizing seat, and a connecting pipe is fixedly installed inside the connecting pipe groove. The utility model is provided with a main flange and a secondary flange, and in the subsequent connection process, the stabilizing rod is connected to the stabilizing groove to ensure that the main flange and the secondary flange will not be offset, and the internal connecting pipe is used in conjunction with the main pipe connecting seat to ensure the convenience of connection;

[0004] However, in the prior art, most of the sealing is performed by only a single sealing ring. During long-term use, the sealing ring may age and easily cause sealing failure, resulting in poor sealing effect. Moreover, the flanges are mostly connected and fixed by nuts. During long-term use, the nuts may become loose and cause poor connection tightness. For example, the comparative patents listed above have this problem.

[0005] Therefore, we propose a flange that is easy to install to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a flange that is easy to install, so as to solve the problem that most of the existing technologies mentioned in the above background technology are sealed only by a single sealing ring, and the aging of the sealing ring during long-term use may easily cause the sealing failure, resulting in poor sealing effect, and the flanges are mostly connected and fixed by nuts, which may easily become loose during long-term use, resulting in poor tightness of the connection.

[0007] To achieve the above object, the utility model provides the following technical solution: a flange that is easy to install, comprising a flange body, flange grooves opened at equal angles at the edge of the flange body, and a rubber butt sleeve for connection;

[0008] Also includes:

[0009] A rubber sealing sleeve, which is inserted into the interior of the flange body and has a sealing ring sleeved on its outer surface;

[0010] Among them, the sealing ring is tightly fitted between the flange body and the rubber butt sleeve;

[0011] The anti-loosening mechanism is symmetrically arranged on the left and right sides of the connecting screw, and the anti-loosening mechanism is used to lock and limit the fixing nut.

[0012] Preferably, both left and right ends of the rubber butt sleeve are fixedly connected with rubber sealing sleeves, and the outer diameter of the rubber sealing sleeve is equal to the inner diameter of the flange body.

[0013] Preferably, a connecting screw is inserted into the middle of the flange groove, and the connecting screw is arranged at an equal angle on the outside of the flange body, and fixing nuts are threadedly connected to the left and right ends of the connecting screw.

[0014] Preferably, the fixing nut is tightly fitted to the side surface of the flange body edge, and a locking rod is fixedly connected to the side surface of the fixing nut.

[0015] Preferably, the anti-loosening mechanism includes a movable collar sleeved on the outside of the connecting screw, a connecting plate for positioning, and a fixing cap for locking and limiting.

[0016] Preferably, the connecting plate is fixedly connected to the side surface of the movable collar, and the connecting plate is snap-fitted to the locking rod.

[0017] Preferably, a fixing cap is fitted on the outer side of the movable collar, and the fixing cap is threadedly connected to the outer surface of the connecting screw.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the flange is easy to install. In actual use, the rubber butt sleeve drives the rubber sealing sleeve to be inserted into the flange body, and the sealing ring is arranged between the flange body and the rubber butt sleeve, so that the double sealing effect can be achieved, which greatly improves the actual sealing effect. The flange bodies on the left and right sides are limited by the connection screw and the fixing nut. Moreover, the fixing nut is conveniently locked by the setting of the anti-loosening mechanism to prevent the fixing nut from rotating and loosening during long-term use, thereby affecting the tightness of the connection.

[0019] 1. It is equipped with a rubber butt joint sleeve, a rubber sealing sleeve and a sealing ring. The rubber butt joint sleeve drives the rubber sealing sleeve to be inserted into the flange body. The sealing ring is fitted between the flange body and the rubber butt joint sleeve to achieve a double sealing effect. The actual sealing effect is good.

[0020] 2. It is equipped with a connecting screw and a fixing nut, which is inserted into the flange groove. Through the setting of the locking rod and the fixing nut, it is convenient to quickly locate the flange bodies on the left and right sides, and to facilitate installation and docking;

[0021] 3. An anti-loosening mechanism is provided, which is symmetrically arranged at the left and right ends of the connecting screw, and the anti-loosening mechanism includes a movable collar, a connecting plate and a fixing cap. Through the setting of the anti-loosening mechanism, it is convenient to lock the locking rod to prevent the locking rod from rotating and loosening to affect the tightness of the flange body installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the explosion structure of the flange body, rubber butt sleeve, rubber sealing sleeve and sealing ring connection of the utility model;

[0024] Figure 3 This is a schematic diagram of the front view structure of the utility model;

[0025] Figure 4 This is a side view of the structure of the utility model;

[0026] Figure 5 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0027] Figure 6 It is a schematic diagram of the explosion structure of the connecting screw rod, fixing nut, locking rod and anti-loosening mechanism of the utility model.

[0028] In the figure: 1. Flange body; 2. Flange groove; 3. Rubber docking sleeve; 4. Rubber sealing sleeve; 5. Sealing ring; 6. Connecting screw; 7. Fixing nut; 8. Locking rod; 9. Anti-loosening mechanism; 10. Movable collar; 11. Connecting plate; 12. Fixing cap. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figure 1-6The utility model provides a technical solution: a flange that is easy to install, including a flange body 1, a flange groove 2, a rubber butt sleeve 3, a rubber sealing sleeve 4, a sealing ring 5, a connecting screw 6, a fixing nut 7, a locking rod 8, an anti-loosening mechanism 9, a movable collar 10, a connecting plate 11 and a fixing cap 12.

[0031] When using this easy-to-install flange, Figure 1 and Figure 2 As shown, when the flange bodies 1 on the left and right sides are butt-jointed and installed, the rubber butt joint sleeve 3 is first driven by the rubber sealing sleeve 4 to be inserted into the flange body 1, and the outer diameter of the rubber sealing sleeve 4 is equal to the inner diameter of the flange body 1. At the same time, a sealing ring 5 is sleeved on the outer side of the rubber sealing sleeve 4, and the sealing ring 5 is tightly arranged between the flange body 1 and the rubber butt joint sleeve 3. Through the arrangement of the sealing ring 5, the rubber sealing sleeve 4 and the rubber butt joint sleeve 3, a double sealing effect can be achieved, which greatly improves the actual sealing performance and prevents sealing failure during long-term use. At the same time, a flange groove 2 is opened at the edge of the flange body 1, combined with Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, the connecting screw 6 is inserted into the flange groove 2, and then the fixing nuts 7 threadedly connected to the left and right sides of the connecting screw 6 are rotated, so that the fixing nuts 7 are closely fitted to the side of the flange body 1, thereby facilitating the rapid positioning of the flange bodies 1 at the left and right ends, and the installation is more convenient;

[0032] In combination with the setting of the anti-loosening mechanism 9, the anti-loosening mechanism 9 includes an active ring 10 sleeved on the outside of the connecting screw 6, a connecting plate 11 for positioning and a fixed cap 12 for locking and limiting. The active ring 10 is sleeved on the outside of the connecting screw 6, and then the active ring 10 is moved. The active ring 10 slides on the outside of the connecting screw 6, and the side of the active ring 10 is fixedly connected with a connecting plate 11. The active ring 10 drives the connecting plate 11 to engage with the locking rod 8, and then the fixed cap 12 threadedly connected to the outside of the connecting screw 6 is rotated so that the fixed cap 12 squeezes and fixes the active ring 10, so that the fixing nut 7 can be locked very conveniently to prevent the fixing nut 7 from rotating and loosening during long-term use, thereby affecting the tightness of the connection.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flange that is easy to install, comprising a flange body (1), flange grooves (2) provided at equal angles at the edge of the flange body (1), and a rubber butt sleeve (3) for connection; It is characterized in that Also includes: A rubber sealing sleeve (4), wherein the rubber sealing sleeve (4) is inserted into the interior of the flange body (1), and a sealing ring (5) is sleeved on the outer surface of the rubber sealing sleeve (4); The sealing ring (5) is tightly fitted between the flange body (1) and the rubber butt sleeve (3); An anti-loosening mechanism (9) is symmetrically arranged on the left and right sides of the connecting screw (6), and the anti-loosening mechanism (9) is used to lock and limit the fixing nut (7).

2. A flange that is easy to install according to claim 1, characterized in that: The left and right ends of the rubber butt joint sleeve (3) are both fixedly connected with rubber sealing sleeves (4), and the outer diameter of the rubber sealing sleeve (4) is equal to the inner diameter of the flange body (1).

3. A flange that is easy to install according to claim 1, characterized in that: A connecting screw (6) is inserted into the middle of the flange groove (2), and the connecting screw (6) is arranged at an equal angle on the outside of the flange body (1), and the left and right ends of the connecting screw (6) are both threadedly connected with fixing nuts (7).

4. A flange that is easy to install according to claim 3, characterized in that: The fixing nut (7) is tightly fitted to the side surface of the flange body (1) at the edge, and a locking rod (8) is fixedly connected to the side surface of the fixing nut (7).

5. The flange that is easy to install according to claim 1, characterized in that: The anti-loosening mechanism (9) comprises a movable collar (10) sleeved on the outside of the connecting screw (6), a connecting plate (11) for positioning, and a fixing cap (12) for locking and limiting.

6. A flange that is easy to install according to claim 5, characterized in that: The connecting plate (11) is fixedly connected to the side of the movable collar (10), and the connecting plate (11) is snap-fittedly connected to the locking rod (8).

7. The flange for easy installation according to claim 5, characterized in that: A fixing cap (12) is fitted on the outer side of the movable collar (10), and the fixing cap (12) is threadedly connected to the outer surface of the connecting screw (6).

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