A multi-stage sealing self-balancing mechanism for high-pressure water conservancy pipelines

Abstract

This utility model relates to the field of pipeline sealing technology and discloses a multi-stage sealing self-balancing mechanism for high-pressure water conservancy pipelines. It includes a high-pressure pipeline body and connecting pipe fittings. Sealing heads are fixedly connected to the inner walls of both ends of the connecting pipe fittings. A first sealing area is formed on the surface of one end of each sealing head. Several pressure-bearing holes are formed on the surface of the first sealing area. A first-stage sealing component is fixedly connected inside each pressure-bearing hole. This multi-stage sealing self-balancing mechanism for high-pressure water conservancy pipelines achieves multi-stage sealing through the coordinated arrangement of connecting pipe fittings, a first sealing area, a first-stage sealing component, a second sealing installation area, a sealing insert, a sealing connecting pipe, a second sealing component, and a third sealing gasket. This avoids the excessive pressure on the sealing component under high water pressure, which can easily lead to excessive wear in single-stage sealing. Furthermore, pressure fluctuations can cause a single sealing surface to fail, thus improving the reliability of the seal.

Description

Technical Field

[0001] This utility model relates to the field of pipeline sealing technology, and in particular to a multi-stage sealing self-balancing mechanism for high-pressure water conservancy pipelines. Background Technology

[0002] Water conservancy projects are engineering projects built to control and regulate surface water and groundwater in nature to achieve the purpose of eliminating harm and promoting benefits. High-pressure water conservancy pipelines are usually buried underground to ensure their safety when transporting water and reduce damage to the pipeline itself from external factors. During the use of high-pressure water conservancy pipelines, the two pipelines need to be sealed together.

[0003] A pipe sealing structure disclosed in publication number CN220379116U includes: a first pipe with a sealing groove on its inner side; a second pipe located to the right of the first pipe, with connecting holes formed at equal angles inside the second pipe; a first fixing ring fixedly connected to the left side of the second pipe, a fixing rod fixedly connected to the left side of the first fixing ring, and a second fixing ring fixedly connected to the end of the fixing rod away from the first fixing ring; a positioning rod fixedly connected at equal angles to the right side of the first pipe, the positioning rod passing through the inner side of the connecting hole; wherein the positioning rod is fixedly connected to the second pipe by bolts, the sealing groove and the second fixing ring are mutually adapted, and a first sealing gasket is adhered to the left side of the second fixing ring. This pipe sealing structure facilitates quick sealing connection of pipes, and the pipe sealing structure has good sealing performance, making leakage less likely.

[0004] However, this pipeline sealing structure has the following disadvantages: under high water pressure, the single-stage seal is subjected to excessive pressure, which can easily lead to excessive wear. In addition, when the pressure fluctuates, a single sealing surface may fail, which makes it difficult to improve the reliability of the seal. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] The purpose of this invention is to provide a multi-stage sealing self-balancing mechanism for high-pressure water conservancy pipelines, thereby solving the problem mentioned in the background art of not being able to improve sealing reliability.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a multi-stage sealing self-balancing mechanism for high-pressure water conservancy pipelines, comprising a high-pressure pipeline body and connecting pipe fittings. Sealing heads are fixedly connected to the inner walls of both ends of the connecting pipe fittings. A first sealing area is formed on the surface of one end of each sealing head. Several pressure-bearing holes are formed on the surface of the first sealing area. A first-stage sealing component is fixedly connected inside each pressure-bearing hole. A second sealing installation area is formed in the middle of the surface of one end of each sealing head. Two connecting flanges are slidably fitted onto the surface of the connecting pipe fittings. Four reinforcing members are welded to the outer wall of each connecting flange. Through holes are formed on the surface of each reinforcing member, and reinforcing components pass through the through holes.

[0009] The first-stage sealing assembly includes an adaptive spring, a sealing metal ring, a first sealing gasket, and a reinforcing sealing ring;

[0010] The reinforcement components include reinforcing ribs, a first elastic washer, a flat washer, a second elastic washer, an anti-slip pad, and a locking element.

[0011] As a further embodiment of this utility model, the first-stage sealing assembly includes an adaptive spring fixedly connected inside the pressure-bearing hole. One end of the adaptive spring is fixedly connected to a sealing metal ring. The surface of the sealing metal ring is provided with a sealing groove. A first sealing gasket is snapped into the inside of the sealing groove. A reinforcing sealing ring is fixedly connected to the outer surface of the sealing metal ring.

[0012] As a further embodiment of this utility model, a sealing tube is fixedly connected to the surface of one end of the high-pressure pipeline body, and the sealing tube is adapted to the first sealing area and abuts against the surface of the reinforcing sealing ring.

[0013] As a further embodiment of this utility model, a sealing connecting pipe is fixedly connected to the middle of one end of the high-pressure pipeline body. The sealing connecting pipe is adapted to the second sealing installation area, and a second sealing element is provided at the connection port of the two.

[0014] As a further embodiment of this utility model, a third sealing groove is provided on the outer surface of both ends of the connecting pipe fitting and one end of the high-pressure pipeline body, and a third sealing gasket is snapped into the inside of the third sealing groove.

[0015] As a further embodiment of this utility model, the reinforcing component includes a reinforcing rib that penetrates through the through hole, and a first elastic washer and a flat washer are slidably sleeved on the surface of one end of the reinforcing rib.

[0016] As a further embodiment of this utility model, a second elastic washer and an anti-slip pad are slidably sleeved on the surface of the other end of the reinforcing rib, and a locking member is threadedly connected to the end of the other end of the reinforcing rib.

[0017] As a further embodiment of this utility model, an assembly flange is fixedly connected to the outer periphery of the high-pressure pipeline body, and the assembly flange is the same size as the connecting flange.

[0018] (III) Beneficial Effects

[0019] This utility model provides a multi-stage sealing self-balancing mechanism for high-pressure hydraulic pipelines, which has the following beneficial effects:

[0020] 1. This high-pressure water conservancy pipeline uses a multi-stage sealing self-balancing mechanism. Through the coordinated arrangement of connecting pipe fittings, a first sealing zone, a first-stage sealing component, a second sealing installation zone, a sealing insert, a sealing connecting pipe, a second sealing element, and a third sealing gasket, multi-stage sealing is achieved. In use, the sealing insert and sealing connecting pipe of the high-pressure pipeline body are inserted into the first sealing zone and the second sealing installation zone, respectively. The second sealing element enhances the sealing performance between the sealing insert and the first sealing zone. When internal water pressure impacts, the adaptive spring, being elastic, compresses and releases its elastic potential energy under axial pressure, generating an outward force that pushes the reinforcing sealing ring in the opposite direction. This increases the sealing effect while achieving pressure self-adaptation, avoiding the excessive pressure and wear that can occur with single-stage sealing under high water pressure. Furthermore, pressure fluctuations can cause a single sealing surface to fail, thus improving the reliability of the seal.

[0021] 2. This high-pressure water conservancy pipeline uses a multi-stage sealing self-balancing mechanism. Through the setting of connecting flanges, reinforcements, and reinforcing components, it can enhance the pressure-bearing capacity of the connecting pipe fittings. In use, after the connecting flange is connected to the connecting flange of the high-pressure pipeline body, the reinforcing rib is inserted into the through hole of the reinforcement. Then, the first elastic washer and the flat washer increase the connection stability at one end, and the second elastic washer and the anti-slip washer are put on the other end and fixed with locking parts. This prevents the reinforcing rib from loosening and also increases the bending resistance of the connecting pipe fittings, which helps to improve their service life. Attached Figure Description

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

[0023] Figure 2 This is a schematic diagram of the reinforcement component structure of this utility model;

[0024] Figure 3 This is a schematic diagram of the first-stage sealing assembly of this utility model;

[0025] Figure 4 This is a schematic diagram of the third sealing groove and the third sealing gasket of this utility model.

[0026] In the diagram: 1. High-pressure pipeline body; 2. Connecting fittings; 3. Sealing head; 4. First sealing area; 5. Pressure bearing hole; 6. First-stage sealing assembly; 601. Adaptive spring; 602. Sealing metal ring; 603. First sealing gasket; 604. Reinforcing sealing ring; 7. Second sealing installation area; 8. Connecting flange; 9. Reinforcing component; 10. Reinforcing assembly; 1001. Reinforcing rib; 1002. First elastic gasket; 1003. Flat gasket; 1004. Second elastic gasket; 1005. Anti-slip gasket; 1006. Locking element; 11. Sealing insert; 12. Sealing connecting pipe; 13. Second sealing element; 14. Third sealing groove; 15. Third sealing gasket; 16. Assembly flange. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0028] Please see Figures 1 to 4 This utility model provides a technical solution: a multi-stage sealing self-balancing mechanism for high-pressure water conservancy pipelines, including a high-pressure pipeline body 1 and connecting pipe fittings 2. A sealing insert 11 is fixedly connected to the surface of one end of the high-pressure pipeline body 1. The sealing insert 11 is adapted to the first sealing area 4 and abuts against the surface of the reinforcing sealing ring 604. The second-stage sealing is achieved through the setting of the reinforcing sealing ring 604. A sealing connecting pipe 12 is fixedly connected to the middle of one end of the high-pressure pipeline body 1. The sealing connecting pipe 12 is adapted to the second sealing installation area 7, and a second sealing element 13 is provided at the connection port of the two. A third sealing groove 14 is opened on the outer surface of both ends of the connecting pipe fitting 2 and one end of the high-pressure pipeline body 1. The internal part of the pipe fitting is fitted with a third sealing gasket 15. The initial seal between the high-pressure pipeline body 1 and the connecting pipe fitting 2 is achieved through the arrangement of the third sealing groove 14 and the third sealing gasket 15. Sealing heads 3 are fixedly connected to the inner walls of both ends of the connecting pipe fitting 2. A first sealing area 4 is formed on the surface of one end of the sealing head 3. Several pressure-bearing holes 5 are formed on the surface of the first sealing area 4. A first-stage sealing component 6 is fixedly connected inside the pressure-bearing holes 5. A second sealing installation area 7 is formed in the middle of the surface of one end of the sealing head 3. Two connecting flanges 8 are slidably fitted onto the surface of the connecting pipe fitting 2. Four reinforcing members 9 are welded to the outer wall of the connecting flanges 8. Through holes are formed on the surface of the reinforcing members 9, and reinforcing components 10 pass through the through holes.

[0029] The first-stage sealing assembly 6 includes an adaptive spring 601, a sealing metal ring 602, a first sealing gasket 603, and a reinforcing sealing ring 604. Through the cooperation of the connecting pipe 2, the first sealing area 4, the first-stage sealing assembly 6, the second sealing installation area 7, the sealing insert 11, the sealing connecting pipe 12, the second sealing element 13, and the third sealing gasket 15, the purpose of multi-stage sealing is achieved. This avoids the problem of excessive pressure on the sealing element under high water pressure, which can easily lead to excessive wear. In addition, when the pressure fluctuates, a single sealing surface may fail, which helps to improve the reliability of the seal.

[0030] The reinforcing component 10 includes a reinforcing rib 1001, a first elastic washer 1002, a flat washer 1003, a second elastic washer 1004, an anti-slip pad 1005, and a locking element 1006. By setting up the connecting flange 8, the reinforcing element 9, and the reinforcing component 10, the pressure-bearing capacity of the connecting pipe fitting 2 can be enhanced. While preventing the reinforcing rib 1001 from loosening, it can also increase the bending resistance of the connecting pipe fitting 2, which helps to improve its service life.

[0031] The first-stage sealing assembly 6 includes an adaptive spring 601 fixedly connected inside the pressure-bearing hole 5. One end of the adaptive spring 601 is fixedly connected to a sealing metal ring 602. The surface of the sealing metal ring 602 is provided with a sealing groove. A first sealing gasket 603 is snapped into the inside of the sealing groove. A reinforcing sealing ring 604 is fixedly connected to the outer surface of the sealing metal ring 602. The sealing effect is achieved by the setting of the reinforcing sealing ring 604.

[0032] The reinforcing component 10 includes a reinforcing rib 1001 that passes through the through hole. A first elastic washer 1002 and a flat washer 1003 are slidably sleeved on the surface of one end of the reinforcing rib 1001. A second elastic washer 1004 and an anti-slip pad 1005 are slidably sleeved on the surface of the other end of the reinforcing rib 1001. A locking member 1006 is threaded to the end of the other end of the reinforcing rib 1001. The reinforcing component 10 increases the rigidity of the connecting pipe 2.

[0033] An assembly flange 16 is fixedly connected to the outer periphery of the high-pressure pipeline body 1. The assembly flange 16 is the same size as the connecting flange 8. The assembly flange 16 serves to connect the high-pressure pipeline body 1 to the connecting pipe fitting 2.

[0034] In this invention, the working steps of the device are as follows:

[0035] First step: When in use, insert the sealing tube 11 and sealing connection tube 12 of the high-pressure pipeline body 1 into the first sealing area 4 and the second sealing installation area 7 respectively. The second sealing element 13 increases the sealing performance between the sealing tube 11 and the first sealing area 4. When the internal water pressure impacts, the adaptive spring 601 is elastic. When subjected to the axial pressure of the water pressure, the adaptive spring 601 compresses and releases the elastic potential energy, generating an outward force that pushes the reinforcing sealing ring 604 in the opposite direction.

[0036] The second step: In use, after connecting flange 8 to connecting flange 8 of high-pressure pipeline body 1, insert reinforcing rib 1001 into the through hole of reinforcing member 9, then the first elastic washer 1002 and flat washer 1003 increase the connection stability at one end, and the other end is fitted with second elastic washer 1004 and anti-slip pad 1005 and fixed with locking member 1006. It should be noted that the equipment structure and drawings of this utility model mainly describe the principle of this utility model. In terms of the technical aspects of this design principle, the setting of the power mechanism, power supply system and control system of the device is not fully described. However, under the premise that those skilled in the art understand the principle of the above utility model, the specific details of its power mechanism, power supply system and control system can be clearly understood. The control method in the application document is automatic control through a controller, and the control circuit of the controller can be implemented by those skilled in the art through simple programming.

[0037] All standard parts used can be purchased from the market, and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the existing technology. The machinery, parts and equipment adopt conventional models in the existing technology, and the structure and principle of the components known to those skilled in the art can be known by those skilled in the art through technical manuals or conventional experimental methods.

[0038] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multi-stage sealing self-balancing mechanism for water conservancy high-pressure pipeline, comprising a high-pressure pipeline main body (1) and a connecting pipe fitting (2), characterized in that: The inner walls of both ends of the connecting pipe fitting (2) are fixedly connected with sealing heads (3). A first sealing area (4) is opened on the surface of one end of the sealing head (3). Several pressure-bearing holes (5) are opened on the surface of the first sealing area (4). A first-level sealing component (6) is fixedly connected inside the pressure-bearing hole (5). A second sealing installation area (7) is opened in the middle of the surface of one end of the sealing head (3). Two connecting flanges (8) are slidably sleeved on the surface of the connecting pipe fitting (2). Four reinforcing components (9) are welded on the outer wall of the connecting flange (8). A through hole is opened on the surface of the reinforcing component (9). A reinforcing component (10) passes through the through hole. The first-stage sealing assembly (6) includes an adaptive spring (601), a sealing metal ring (602), a first sealing gasket (603), and a reinforcing sealing ring (604). The reinforcement component (10) includes a reinforcing rib (1001), a first elastic washer (1002), a flat washer (1003), a second elastic washer (1004), an anti-slip pad (1005), and a locking member (1006).

2. A multi-stage sealing self-balancing mechanism for high-pressure water pipeline according to claim 1, characterized in that: The first-stage sealing assembly (6) includes an adaptive spring (601) fixedly connected inside the pressure-bearing hole (5). One end of the adaptive spring (601) is fixedly connected to a sealing metal ring (602). The surface of the sealing metal ring (602) is provided with a sealing groove. A first sealing gasket (603) is snapped into the inside of the sealing groove. A reinforcing sealing ring (604) is fixedly connected to the outer surface of the sealing metal ring (602).

3. The multi-stage sealing self-balancing mechanism for high-pressure water pipeline according to claim 1, characterized in that: A sealing tube (11) is fixedly connected to one end of the high-pressure pipeline body (1). The sealing tube (11) is adapted to the first sealing area (4) and abuts against the surface of the reinforcing sealing ring (604).

4. The multi-stage sealing self-balancing mechanism for high-pressure water pipeline according to claim 1, characterized in that: A sealing connection pipe (12) is fixedly connected to the middle of one end of the high-pressure pipeline body (1). The sealing connection pipe (12) is adapted to the second sealing installation area (7), and the connection port of the two is provided with a second sealing element (13).

5. The multi-stage sealing self-balancing mechanism for high-pressure water pipeline according to claim 1, characterized in that: The outer surfaces of both ends of the connecting pipe fitting (2) and one end of the high-pressure pipeline body (1) are provided with a third sealing groove (14), and a third sealing gasket (15) is snapped into the inside of the third sealing groove (14).

6. A multi-stage sealing self-balancing mechanism for high-pressure water conservancy pipelines according to claim 1, characterized in that: The reinforcing component (10) includes a reinforcing rib (1001) that runs through the through hole, and a first elastic washer (1002) and a flat washer (1003) are slidably sleeved on the surface of one end of the reinforcing rib (1001).

7. A multi-stage sealing self-balancing mechanism for high pressure water pipeline according to claim 6, characterized in that: The surface of the other end of the reinforcing rib (1001) is slidably fitted with a second elastic washer (1004) and an anti-slip pad (1005), and the end of the other end of the reinforcing rib (1001) is threadedly connected with a locking member (1006).

8. The multi-stage sealing self-balancing mechanism for high-pressure water pipeline according to claim 1, characterized in that: An assembly flange (16) is fixedly connected to the outer periphery of the high-pressure pipeline body (1), and the assembly flange (16) is the same size as the connecting flange (8).

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