Air-leakage-proof high-strength impact-resistant hubbed welding neck flange
By setting fixing bolts, fixing nuts and reinforcement components in the flange, the problem of easy damage to traditional flange in high pressure or high impact environments is solved, and the high-strength connection and sealing of the flange are achieved, ensuring the stable operation of the pipeline system.
Patent Information
- Application Number
- CN202421728232.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-22
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-07-22
AI Technical Summary
Traditional flanges are easily deformed or damaged by being unable to withstand external forces in high pressure or high impact environments, resulting in connection failure and media leakage.
A high-strength impact-resistant neck butt-weld flange that is air-proof is designed. By setting fixing bolts, fixing nuts and reinforcement components, the overall connection strength of the flange is enhanced, and a limit groove and connecting ring are provided between flange one and flange two to enhance sealing.
It effectively prevents loosening or damage at the flange connection under high pressure or high impact conditions, ensures stable operation of the pipeline system, and improves the sealing of the flange.
Smart Images

Figure CN222911061U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of flanges, and particularly relates to a high-strength impact-resistant necked butt-welding flange with air leakage prevention. Background Art
[0002] A flange is a common connecting component used to connect two pipes or a pipe and a device to achieve fluid transmission. The wide application of flanges is not only reflected in fields such as petroleum, chemical industry, shipbuilding, and metallurgy, but also widely used in infrastructure such as water supply, gas supply, and heat supply in urban construction.
[0003] Traditional flanges may deform or be damaged under high-pressure or high-impact environments, resulting in connection failure and further causing medium leakage, threatening production safety and the environment. Content of the Utility Model
[0004] Aiming at the deficiencies of the prior art, the utility model provides a high-strength impact-resistant necked butt-welding flange with air leakage prevention. By setting fixing bolts, fixing nuts, and a strengthening component, the overall connection strength of the flange can be improved, and loosening or damage at the flange connection under high-pressure or high-impact working conditions can be effectively prevented, ensuring the stable operation of the pipeline system.
[0005] The utility model also provides a high-strength impact-resistant necked butt-welding flange with air leakage prevention as described above, including: flange one and flange two. A limiting groove is arranged on one side of flange one, and a fixing groove one is arranged on the outer side wall of flange one. A connecting ring is fixedly connected to one side of flange two, and a fixing groove two is arranged on the outer side wall of flange two. Flange one and flange two are connected by fixing bolts, and one end of the fixing bolt is threadedly connected with a fixing nut. Strengthening components are arranged on the outer side walls of flange one and flange two.
[0006] According to the high-strength impact-resistant necked butt-welding flange with air leakage prevention, the strengthening component includes a hoop one and a hoop two. One end of the hoop one is rotatably connected to one end of the hoop two through a rotating shaft. A strengthening rod is threadedly connected above one end of the hoop one, and the strengthening rod passes through the hoop one and is threadedly connected with a strengthening nut at one end of the hoop two.
[0007] According to the high-strength impact-resistant necked butt-welding flange with air leakage prevention, the inner walls of the hoop one and the hoop two are adapted to the inner walls of the fixing groove one and the fixing groove two, and the hoop one and the hoop two are sleeved outside the fixing groove one and the fixing groove two.
[0008] According to the high-strength impact-resistant necked butt-welding flange with air leakage prevention, the connecting ring is adapted to the inner wall of the limiting groove, and the connecting ring is movably connected to the limiting groove.
[0009] According to the described leak - proof high - strength impact - resistant neck - butt welding flange, sealing gaskets are provided at the joints of flange one and flange two, and the sealing gaskets are made of rubber material.
[0010] According to the described leak - proof high - strength impact - resistant neck - butt welding flange, flange one and flange two are symmetrically arranged.
[0011] The utility model has the following beneficial effects:
[0012] 1. In the utility model, by setting fixing bolts, fixing nuts and strengthening components, the overall connection strength of the flange can be improved, and loosening or damage at the flange joint under high - pressure or high - impact working conditions can be effectively prevented, ensuring the stable operation of the pipeline system.
[0013] 2. In the utility model, by setting a limiting groove and a connecting ring, the sealing performance between flange one and flange two is further improved.
[0014] The additional aspects and advantages of the utility model will be partially given in the following description, partially become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The following further illustrates the utility model with reference to the drawings and embodiments;
[0016] Figure 1 It is a perspective view of the side view of a leak - proof high - strength impact - resistant neck - butt welding flange of the utility model;
[0017] Figure 2 It is a perspective view of the right - hand side view of the disassembled state of a leak - proof high - strength impact - resistant neck - butt welding flange of the utility model;
[0018] Figure 3 It is a perspective view of the left - hand side view of the disassembled state of a leak - proof high - strength impact - resistant neck - butt welding flange of the utility model;
[0019] Figure 4 It is a front - view structural diagram of a leak - proof high - strength impact - resistant neck - butt welding flange of the utility model.
[0020] LEGEND DESCRIPTION:
[0021] 1. Flange one; 101. Limiting groove; 102. Fixing groove one; 2. Flange two; 201. Connecting ring; 202. Fixing groove two; 3. Fixing bolt; 4. Fixing nut; 5. Strengthening component; 501. Hoop one; 502. Hoop two; 503. Strengthening rod; 504. Strengthening nut. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0022] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The function of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model. However, it should not be construed as a limitation on the protection scope of the present utility model.
[0023] Referring to Figures 1-4 , an anti-air leakage high-strength impact-resistant necked butt welding flange in an embodiment of the present utility model includes: flange one 1 and flange two 2, flange one 1 and flange two 2 are symmetrically arranged, sealing gaskets are provided at the connection parts of flange one 1 and flange two 2, and the sealing gaskets are made of rubber materials. A limiting groove 101 is provided on one side of flange one 1, and a first fixing groove 102 is provided on the outer wall of flange one 1. A connecting ring 201 is fixedly connected to one side of flange two 2. The connecting ring 201 is adapted to the inner wall of the limiting groove 101, and the connecting ring 201 is movably connected to the limiting groove 101. A second fixing groove 202 is provided on the outer wall of flange two 2. Flange one 1 and flange two 2 are connected by fixing bolts 3. One end of the fixing bolt 3 is threadedly connected with a fixing nut 4. Reinforcing components 5 are provided on the outer walls of flange one 1 and flange two 2.
[0024] The reinforcing components 5 include a first hoop 501 and a second hoop 502. The inner walls of the first hoop 501 and the second hoop 502 are adapted to the inner walls of the first fixing groove 102 and the second fixing groove 202, and the first hoop 501 and the second hoop 502 are sleeved on the outside of the first fixing groove 102 and the second fixing groove 202. One end of the first hoop 501 is rotatably connected to one end of the second hoop 502 through a rotating shaft. A reinforcing rod 503 is threadedly connected above one end of the first hoop 501. The reinforcing rod 503 passes through the first hoop 501 and one end of the second hoop 502 and is threadedly connected with a reinforcing nut 504. By providing the fixing bolts 3, the fixing nuts 4 and the reinforcing components 5, the overall connection strength of the flange can be improved, and loosening or damage at the flange connection part under high-pressure or high-impact working conditions can be effectively prevented, ensuring the stable operation of the pipeline system.
[0025] Working principle: During use, the connecting ring 201 on one side of flange two 2 is slid into the limiting groove 101 on one side of flange one 1, thus forming a reliable seal and effectively preventing medium leakage. Secondly, through the fixing bolts 3 and the fixing nuts 4, the tight connection between flange one 1 and flange two 2 is realized. Secondly, in order to enhance the strength and stability of flange one 1 and flange two 2, the first hoop 501 and the second hoop 502 are sleeved on the first fixing groove 102 and the second fixing groove 202, and are reinforced by the reinforcing rod 503 and the reinforcing nut 504, thereby providing additional support and protection for flange one 1 and flange two 2.
[0026] The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings. However, the present utility model is not limited to the above embodiments, and various changes can be made without departing from the gist of the present utility model within the scope of knowledge possessed by those of ordinary skill in the relevant art.
Claims
1. A high-strength, impact-resistant, butt-welded flange with a neck that is leak-proof, comprising: Flange 1 (1) and flange 2 (2), characterized in that a limiting groove (101) is provided on one side of flange 1 (1), a fixing groove 1 (102) is provided on the outer side wall of flange 1 (1), a connecting ring (201) is fixedly connected to one side of flange 2 (2), a fixing groove 2 (202) is provided on the outer side wall of flange 2 (2), flange 1 (1) and flange 2 (2) are connected by fixing bolts (3), one end of the fixing bolts (3) is threadedly connected to a fixing nut (4), and the outer side walls of flange 1 (1) and flange 2 (2) are provided with reinforcement components (5).
2. The high-strength, impact-resistant, butt-welded flange with a gas leakage prevention according to claim 1, characterized in that: The reinforcing assembly (5) comprises a clamping hoop 1 (501) and a clamping hoop 2 (502), one end of the clamping hoop 1 (501) being rotatably connected to one end of the clamping hoop 2 (502) via a rotating shaft, a reinforcing rod (503) being threadedly connected above one end of the clamping hoop 1 (501), and the reinforcing rod (503) passing through the clamping hoop 1 (501) and one end of the clamping hoop 2 (502) being threadedly connected to a reinforcing nut (504).
3. The high-strength, impact-resistant, neck-welded flange for preventing gas leakage according to claim 2, characterized in that: The inner walls of the clamp 1 (501) and the clamp 2 (502) are adapted to the inner walls of the fixing groove 1 (102) and the fixing groove 2 (202), and the clamp 1 (501) and the clamp 2 (502) are sleeved on the outer sides of the fixing groove 1 (102) and the fixing groove 2 (202).
4. The high-strength, impact-resistant, neck-welded flange for preventing gas leakage according to claim 1, characterized in that: The connecting ring (201) is adapted to the inner wall of the limiting groove (101), and the connecting ring (201) and the limiting groove (101) are movably connected.
5. The high-strength, impact-resistant, neck-welded flange for preventing gas leakage according to claim 1, characterized in that: The connection between flange 1 (1) and flange 2 (2) is provided with a sealing gasket, and the sealing gasket is made of rubber material.
6. The high-strength, impact-resistant, neck-welded flange for preventing gas leakage according to claim 1, characterized in that: The flange one (1) and the flange two (2) are arranged symmetrically to each other.