Dustproof sealing flange

Abstract

The utility model discloses a dustproof type sealing flange which comprises a first flange, a second flange, a first auxiliary assembly and a second auxiliary assembly, connecting ports are formed in the first flange and the second flange, and bolts are connected in the connecting ports in a threaded mode. A first auxiliary assembly and a second auxiliary assembly are arranged on the inner side of the first flange and the inner side of the second flange, dustproof sleeves are arranged on the outer sides of the first flange and the second flange, the first auxiliary assembly comprises a clamping block and a clamping groove, the clamping block is fixedly installed on the inner side of the first flange, and the clamping groove is formed in the inner side of the second flange. And the second auxiliary assembly comprises a first fixing ring, a second fixing ring and a first sealing ring, the first fixing ring is fixedly installed on the inner side of the first flange, and the second fixing ring is fixedly installed on the inner side of the second flange. The dustproof sealing flange is high in sealing performance, capable of quickly aligning connecting ports and provided with a dustproof structure.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing flanges, and particularly relates to a dust-proof sealing flange. Background Technique

[0002] A flange is a disc-shaped component used to connect devices such as pipelines, valves, and pumps, and is widely used in industries such as petroleum, chemical engineering, shipbuilding, pharmaceuticals, and metallurgy. A sealing flange is a component used to ensure the seal at the connection of a pipeline or container, and they achieve a tight connection by using gaskets and bolt fastening.

[0003] Referring to the Chinese patent authorization announcement number CN218031950, the authorization announcement date is December 13, 2022. It discloses a sealing flange structure, belonging to the field of flange manufacturing. A sealing flange structure includes a first flange, a second flange, and a ring. The first flange has a first end face and a protruding part. The second flange has a second end face, a third end face, and several first through holes. The protruding part passes through the first through holes. The second end face is attached and connected to the first end face. A number of limit pieces are fixedly connected to the inner diameter of the ring. The limit pieces are limit-connected to the protruding part to limit the movement of the protruding part relative to the first through hole. Several fasteners are installed on the disc. The fasteners are connected to the disc and abut against the ring to limit the rotation of the ring. The utility model has the advantage of convenient installation.

[0004] However, the existing sealing flanges do not have a dust-proof mechanism; therefore, we propose a dust-proof sealing flange to facilitate solving the problems raised above. Content of the Utility Model

[0005] The purpose of the utility model is to provide a dust-proof sealing flange to solve the problem that the existing sealing flanges do not have a dust-proof mechanism as mentioned in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A dust-proof sealing flange includes a first flange, a second flange, a first auxiliary component, and a second auxiliary component. Connecting ports are opened in both the first flange and the second flange. Bolts are threadedly connected in the connecting ports. First auxiliary components and second auxiliary components are arranged on the inner sides of both the first flange and the second flange. Second sealing rings are fixedly installed in the inner circles of both the first flange and the second flange. A dust-proof sleeve is arranged on the outer sides of both the first flange and the second flange.

[0007] Preferably, the first auxiliary component includes a clamping block and a clamping groove. The clamping block is fixedly installed on the inner side of the first flange.

[0008] Preferably, the clamping groove is opened on the inner side of the second flange.

[0009] Preferably, the clamping block is snap-fitted in the clamping groove.

[0010] Preferably, the second auxiliary component includes a first fixing ring, a second fixing ring and a first sealing ring. The first fixing ring is fixedly installed inside the first flange, and the second fixing ring is fixedly installed inside the second flange.

[0011] Preferably, a first sealing ring is fixedly connected to the side of the second fixing ring away from the second flange.

[0012] Preferably, the first fixing ring is arranged inside the second fixing ring.

[0013] Preferably, the dust cover includes a sleeve body, a sleeve cover and a threaded port. A threaded port is arranged at one end of the sleeve body.

[0014] Preferably, a sleeve cover is threadedly connected to the threaded port.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: The dust-proof sealing flange has strong sealing performance, can quickly align the connection port, and has a dust-proof structure.

[0016] 1. A second auxiliary component is provided. When the first flange and the second flange are connected, the first fixing ring is aligned and placed into the second fixing ring, so that the first sealing ring closely adheres to the inner wall of the first flange, thereby improving the sealing performance of the connection between the first flange and the second flange;

[0017] Furthermore, second sealing rings are fixedly installed in the inner circles of the first flange and the second flange, which can improve the sealing performance between the first flange and the second flange and the pipeline;

[0018] 2. A first auxiliary component is provided. The first auxiliary component includes a clamping block and a clamping groove. The clamping block is aligned with the clamping groove and connected to the clamping groove. At this time, the connection port inside the first flange corresponds to the connection port inside the second flange;

[0019] 3. A dust cover is provided. Before connecting the pipeline to the first flange and the second flange, the sleeve body and the sleeve cover are respectively sleeved on the outer sides of the pipelines on both sides. During connection, the sleeve cover is screwed into the threaded port inside the sleeve body. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 Schematic diagram of the connection structure of the dust cover, the first flange and the second flange of the present utility model;

[0021] Figure 2 Schematic diagram of the connection structure of the first flange and the second flange of the present utility model;

[0022] Figure 3 Schematic diagram of the three-dimensional structure of the first flange of the present utility model;

[0023] Figure 4Schematic three-dimensional structure diagram of the second flange of the present utility model;

[0024] Figure 5 Schematic three-dimensional structure diagram of the dust cover of the present utility model.

[0025] In the figure: 1. First flange; 2. Second flange; 3. Connection port; 4. First auxiliary component; 401. Clamping block; 402. Card slot; 5. Second auxiliary component; 501. First fixing ring; 502. Second fixing ring; 503. First sealing ring; 6. Second sealing ring; 7. Dust cover; 701. Sleeve body; 702. Sleeve cover; 703. Threaded port; 8. Bolt. Specific embodiments

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] Please refer to Figures 1 - 5 , the present utility model provides the following technical solutions:

[0028] Embodiment 1: The existing sealing flange has a weak sealing performance. To solve this technical problem, the following technical content is disclosed in this embodiment:

[0029] A dust-proof sealing flange includes a first flange 1, a second flange 2, a first auxiliary component 4 and a second auxiliary component 5. Connection ports 3 are opened in both the first flange 1 and the second flange 2. A bolt 8 is threadedly connected in the connection port 3. First auxiliary components 4 and second auxiliary components 5 are arranged on the inner sides of both the first flange 1 and the second flange 2. Second sealing rings 6 are fixedly installed in the inner circles of both the first flange 1 and the second flange 2. A dust cover 7 is arranged on the outer sides of both the first flange 1 and the second flange 2.

[0030] Such as Figures 1 - 4As shown in the figure, the second auxiliary component 5 includes a first fixing ring 501, a second fixing ring 502, and a first sealing ring 503. The first fixing ring 501 is fixedly installed inside the first flange 1, the second fixing ring 502 is fixedly installed inside the second flange 2, and a first sealing ring 503 is fixedly connected to the side of the second fixing ring 502 away from the second flange 2. When connecting the first flange 1 and the second flange 2, align the first fixing ring 501 and place it into the second fixing ring 502, so that the first sealing ring 503 closely adheres to the inner wall of the first flange 1, thereby improving the sealing performance of the connection between the first flange 1 and the second flange 2. Second sealing rings 6 are fixedly installed inside the inner circles of the first flange 1 and the second flange 2, which can improve the sealing performance between the first flange 1 and the second flange 2 and the pipeline.

[0031] Embodiment 2: The existing sealing flange cannot quickly align the connection port 3. To solve this technical problem, the following technical content is disclosed in this embodiment:

[0032] As Figures 1 - 4 shown in the figure, the first auxiliary component 4 includes a clamping block 401 and a clamping groove 402. Two clamping blocks 401 are fixedly installed inside the first flange 1, and two clamping grooves 402 are opened inside the second flange 2. When connecting the first flange 1 and the second flange 2, align the clamping block 401 and place it into the clamping groove 402, so that the clamping block 401 is connected to the clamping groove 402. At this time, the connection port 3 inside the first flange 1 corresponds to the connection port 3 inside the second flange 2.

[0033] Embodiment 3: The existing sealing flange does not have a dust-proof structure. To solve this technical problem, the following technical content is disclosed in this embodiment:

[0034] As Figure 1 and Figure 5 shown in the figure, the dust-proof cover 7 includes a sleeve body 701, a sleeve cover 702, and a threaded port 703. First, put the sleeve body 701 and the sleeve cover 702 on the outer sides of the pipelines on both sides respectively, then connect the pipelines with the first flange 1 and the second flange 2, align the first flange 1 and the second flange 2, and use bolts 8 for connection. Pull the sleeve body 701 towards the first flange 1 and the second flange 2 direction, so that the sleeve body 701 covers the first flange 1 and the second flange 2 completely. A threaded port 703 is provided at one end of the sleeve body 701. Pull the sleeve cover 702 to make the sleeve cover 702 close to the threaded port 703. A threaded port is provided on the outer side of the end of the sleeve cover 702 close to the threaded port 703. Screw the sleeve cover 702 into the threaded port 703 to connect the sleeve cover 702 with the sleeve body 701. The inner circles of the sleeve body 701 and the sleeve cover 702 just fit closely against the pipelines.

[0035] Working principle: Connect the dust-proof sealing flange with the pipeline according to Embodiment 3, connect the first flange 1 and the second flange 2 according to Embodiment 1 and Embodiment 2, and use bolts 8 to align with the connection port 3 for fixation.

[0036] The above completes a series of operations of the dust-proof sealed flange. The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0037] The standard parts used in the present utility model can all be purchased from the market. The special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, welding, etc. that are mature in the prior art. The machines, parts and equipment all adopt conventional models in the prior art. In addition, the circuit connection adopts the conventional connection method in the prior art, which will not be elaborated here.

[0038] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A dustproof sealing flange, comprising a first flange (1), a second flange (2), a first auxiliary component (4) and a second auxiliary component (5), characterized in that: The first flange (1) and the second flange (2) are each provided with a connection port (3), the connection port (3) being internally threadedly connected with a bolt (8), the first flange (1) and the second flange (2) are each provided with a first auxiliary component (4) and a second auxiliary component (5), the first flange (1) and the second flange (2) are each provided with a second sealing ring (6) fixedly installed in the inner ring of the first flange (1) and the second flange (2), and the first flange (1) and the second flange (2) are provided with a dust cover (7) on the outer side.

2. The dustproof sealing flange according to claim 1, characterized in that: The first auxiliary component (4) comprises a clamping block (401) and a clamping groove (402), and the clamping block (401) is fixedly mounted on the inner side of the first flange (1).

3. The dustproof sealing flange according to claim 2, characterized in that: The clamping groove (402) is arranged on the inner side of the second flange (2).

4. The dustproof sealing flange according to claim 2, characterized in that: The card block (401) is snap-connected in the card slot (402).

5. The dustproof sealing flange according to claim 1, characterized in that: The second auxiliary component (5) comprises a first fixing ring (501), a second fixing ring (502) and a first sealing ring (503), wherein the first fixing ring (501) is fixedly mounted on the inner side of the first flange (1), and the second fixing ring (502) is fixedly mounted on the inner side of the second flange (2).

6. The dustproof sealing flange according to claim 5, characterized in that: A first sealing ring (503) is fixedly connected to a side of the second fixing ring (502) away from the second flange (2).

7. The dustproof sealing flange according to claim 5, characterized in that: The first fixing ring (501) is arranged inside the second fixing ring (502).

8. The dustproof sealing flange according to claim 1, characterized in that: The dustproof sleeve (7) comprises a sleeve body (701), a sleeve cover (702) and a threaded opening (703), and one end of the sleeve body (701) is provided with a threaded opening (703).

9. The dustproof sealing flange according to claim 8, characterized in that: The threaded opening (703) is internally threadedly connected to a sleeve cover (702).

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