Spherical pipe joint structure for large diesel engine

Abstract

The utility model discloses a spherical pipe joint structure for a large diesel engine, which relates to the technical field of spherical pipe joint structures for large diesel engines, and particularly comprises a connecting plate and a spherical pipe body, a sealing gasket is arranged on the inner side wall of a sealing gasket groove, and an external thread spherical pipe is arranged on the inner side of the other side face of the connecting plate. A rotating shaft is fixedly connected to the inner side wall of the shell, clamping teeth are rotationally connected to the outer surface of the rotating shaft, a rotating ring is rotationally connected between the outer surface of the connecting plate and the outer surface of the shell, a spring is fixedly connected to one end of the first hinge block, a spherical pipe end is arranged at one end of the spherical pipe body, and a sealing ring is arranged on the outer surface of the spherical pipe end. The outer surface of the spherical pipe body is sleeved with a spherical pipe fixing ring, a limiting groove is formed in the outer surface of the fixing ring, a connecting block is arranged on the outer surface of the connecting plate, and the device has the beneficial effects that the joint is effectively prevented from loosening, and the sealing performance is conveniently improved.

Description

Technical Field

[0001] The utility model relates to the technical field of spherical pipe joint structures for large diesel engines, in particular to a spherical pipe joint structure for large diesel engines. Background Art

[0002] Spherical pipes for diesel engines refer to spherical pipes used in diesel engines. This type of spherical pipe is usually used in the intake and exhaust systems of diesel engines, which can help improve the fluidity of airflow and reduce resistance, thereby improving the efficiency and performance of the diesel engine. The design of the spherical pipe can make the airflow more evenly distributed in the pipe, reduce the turbulence and pressure loss of the airflow, and improve the combustion efficiency and power output of the diesel engine. Therefore, spherical pipes for diesel engines can improve the performance and economy of diesel engines to a certain extent.

[0003] The existing spherical pipe joint structure for large diesel engines, when in use, may cause the joint part to loosen due to the vibration of the engine, which will seriously affect the performance and safety factor of the engine, and in severe cases may cause damage to the diesel engine and the driver. In addition, the existing spherical pipe joint structure for large diesel engines has poor sealing performance during actual use. After the engine is repaired, dust particles are easily present on the spherical surface, which will affect the sealing performance. Therefore, the existing spherical pipe joint structure for large diesel engines has the disadvantages of being easy to loosen and having poor sealing performance. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a spherical pipe joint structure for a large diesel engine, which solves the problems raised in the above-mentioned background technology.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a spherical pipe joint structure for a large diesel engine, comprising a connecting plate and a spherical pipe body, a side surface of the connecting plate is provided with a sealing gasket groove, the inner side wall of the sealing gasket groove is provided with a sealing gasket, the inner side of the other side surface of the connecting plate is provided with an externally threaded spherical pipe, the outer side of the other side surface of the connecting plate is provided with a shell, the inner side wall of the shell is fixedly connected with a rotating shaft, the outer surface of the rotating shaft is rotatably connected with a latch tooth, a rotating ring is rotatably connected between the outer surface of the connecting plate and the outer surface of the shell, and the inner side wall of the rotating ring is passed through A first hinge block is rotatably connected through a first support ear block, one end of the first hinge block is fixedly connected to a spring, the outer surface of the latch tooth is rotatably connected to a second hinge block through a second support ear block, a limit plate is provided on the outer surface of the shell, a limit block is provided on the inner side wall of the rotating ring, a spherical tube end head is provided at one end of the spherical tube body, a sealing ring is provided on the outer surface of the spherical tube end head, a spherical tube fixing ring is sleeved on the outer surface of the spherical tube body, a limiting groove is provided on the outer surface of the fixing ring, a hexagonal block is provided on the right side of the outer surface of the spherical tube fixing ring, and a connecting block is provided on the outer surface of the connecting plate.

[0006] Optionally, two sealing gasket grooves and two sealing gaskets are provided and are distributed in concentric circles.

[0007] Optionally, the latch teeth, the first hinge block, the spring and the second hinge block are each provided in three and are evenly distributed in a circular array.

[0008] Optionally, the outer surface of the rotating ring is provided with anti-skid protrusions, and a plurality of the anti-skid protrusions are provided and evenly distributed in a ring array.

[0009] Optionally, one end of the spring is fixedly connected to one end of the second hinge block.

[0010] Optionally, a plurality of the limiting grooves are provided and are evenly distributed in a ring array, and one end of the latching tooth is latched with an inner side wall of the limiting groove.

[0011] Optionally, two limit plates are provided and are evenly distributed in a circular array, the limit block is provided between the two limit plates, and three groups of limit plates and limit blocks are provided and are evenly distributed in a circular array.

[0012] Optionally, two sealing rings are provided, and outer surfaces of the two sealing rings are respectively in contact with the outer surface of the spherical tube end and the inner side wall of the spherical tube fixing ring.

[0013] The utility model provides a spherical pipe joint structure for a large diesel engine, which has the following beneficial effects:

[0014] 1. A spherical pipe joint structure for a large diesel engine has the effect of preventing the joint from loosening through the arrangement of a housing, a latch tooth, a rotating ring, a spring, a spherical pipe fixing ring and a limiting groove. One end of the latch tooth is matched with the inner side wall of the limiting groove on the outer surface of the spherical pipe fixing ring. When the joint can be tightened during use, the rotating ring can be rotated and the latch tooth can be rotated by the spring, so that the latch tooth is stuck in the inside of the limiting groove, effectively preventing the spherical pipe fixing ring from rotating and loosening, thereby achieving the purpose of effectively preventing the joint from loosening.

[0015] 2. The spherical pipe joint structure for a large diesel engine has the effect of improving the sealing performance through the setting of the sealing gasket groove, the sealing gasket and the sealing ring. The sealing gasket groove, the sealing gasket and the sealing ring are matched with the spherical pipe end and the spherical pipe fixing ring. During use, the connection between the joint and the diesel engine and the connection between the spherical pipe and the joint can be well sealed, thereby achieving the purpose of facilitating the improvement of the sealing performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the three-dimensional explosion of the utility model;

[0018] Figure 3 For this utility model Figure 2 The structural diagram at A in the middle;

[0019] Figure 4 It is a schematic diagram of the structure of the front section of the utility model;

[0020] Figure 5 It is a schematic diagram of the structure of the side cross-section of the utility model;

[0021] Figure 6 For this utility model Figure 5 The structural diagram at B in the middle;

[0022] Figure 7 For this utility model Figure 5 Schematic diagram of the structure at C in the middle.

[0023] In the figure: 1, connecting plate; 2, sealing gasket groove; 3, sealing gasket; 4, external thread spherical tube; 5, shell; 6, rotating shaft; 7, latch tooth; 8, rotating ring; 9, anti-skid protrusion; 10, first ear block; 11, first hinge block; 12, spring; 13, second ear block; 14, second hinge block; 15, limit plate; 16, limit block; 17, spherical tube fixing ring; 18, limit groove; 19, hexagonal block; 20, spherical tube body; 21, spherical tube end; 22, sealing ring; 23, connecting block. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Example

[0025] The utility model provides a technical solution: a spherical pipe joint structure for a large diesel engine, comprising a connecting plate 1 and a spherical pipe body 20, an outer threaded spherical pipe 4 is arranged on the inner side of the other side of the connecting plate 1, a shell 5 is arranged on the outer side of the other side of the connecting plate 1, an inner side wall of the shell 5 is fixedly connected with a rotating shaft 6, an outer surface of the rotating shaft 6 is rotatably connected with a latch 7, a rotating ring 8 is rotatably connected between the outer surface of the connecting plate 1 and the outer surface of the shell 5, an outer surface of the rotating ring 8 is provided with anti-skid protrusions 9, a plurality of anti-skid protrusions 9 are arranged and evenly distributed in a circular array, an inner side wall of the rotating ring 8 is rotatably connected with a first hinge block 11 through a first support ear block 10, one end of the first hinge block 11 is fixedly connected with a spring 12, one end of the spring 12 is fixedly connected with one end of a second hinge block 14, an outer surface of the latch 7 is rotatably connected with a second hinge block 14 through a second support ear block 13, the latch 7, the first hinge block 11, the spring 12 and the second hinge block 14 are all provided with There are three of them and they are evenly distributed in a circular array. A limiting plate 15 is provided on the outer surface of the shell 5. Two limiting plates 15 are provided and they are evenly distributed in a circular array. A limiting block 16 is provided between the two limiting plates 15. Three groups of limiting plates 15 and limiting blocks 16 are provided and they are evenly distributed in a circular array. A limiting block 16 is provided on the inner side wall of the rotating ring 8. A spherical tube end 21 is provided at one end of the spherical tube body 20. A spherical tube fixing ring 17 is sleeved on the outer surface of the spherical tube body 20. Two sealing rings 22 are provided. The outer surfaces of the two sealing rings 22 are respectively abutted against the outer surface of the spherical tube end 21 and the inner side wall of the spherical tube fixing ring 17. A limiting groove 18 is provided on the outer surface of the fixing ring. Several limiting grooves 18 are provided and they are evenly distributed in a circular array. One end of the latch 7 is clamped with the inner side wall of the limiting groove 18. A hexagonal block 19 is provided on the right side of the outer surface of the spherical tube fixing ring 17. A connecting block 23 is provided on the outer surface of the connecting plate 1.

[0026] In order to effectively prevent the joint from loosening, Figures 1 to 7 As shown, the present application adopts the following structure. Through the arrangement of the housing 5, the latch teeth 7, the rotating ring 8, the spring 12, the spherical tube fixing ring 17 and the limiting groove 18, the spherical tube joint structure for large diesel engines has the effect of preventing the joint from loosening. Through the matching arrangement of one end of the latch teeth 7 and the inner side wall of the limiting groove 18 on the outer surface of the spherical tube fixing ring 17, during use, the rotating ring 8 is first rotated counterclockwise. At this time, the rotating ring 8 drives the first ear block 10 and the first hinge block 11 to rotate. The first hinge block 11 drives the spring 12 to pull the latch teeth 7 to rotate along the center line of the rotating shaft 6. During rotation, the end of the latch teeth 7 swings outward, so that the three latch teeth 7 are in an open state. After that, the spherical tube fixing ring 17 and a sealing ring 22 are sleeved on the end of the spherical tube body 20, another one is placed at the front end of the spherical tube end 21. A sealing ring 22 is sleeved on the outer surface of the spherical tube end 21, and then the spherical tube fixing ring 17 is tightened on the outer surface of the end of the externally threaded spherical tube 4. As the spherical tube fixing ring 17 is tightened, when one end of the spherical tube fixing ring 17 penetrates into the interior of the housing 5 and exceeds the edge of the latch tooth 7, the rotating ring 8 can be rotated clockwise at this time, so that the latch tooth 7 is driven to rotate clockwise along the center line of the rotating shaft 6 through the first ear block 10, the first hinge block 11, the spring 12, the second ear block 13 and the second hinge block 14, so that the latch tooth 7 is closed, and the end of the latch tooth 7 is engaged with the limiting groove 18 of the spherical tube fixing ring 17. When the joint is tightened, the latch tooth 7 is engaged with the inside of the limiting groove 18, which effectively prevents the spherical tube fixing ring 17 from rotating and loosening, thereby achieving the purpose of effectively preventing the joint from loosening; Example

[0027] The utility model provides a technical solution: a sealing gasket groove 2 is provided on one side of the connecting plate 1, a sealing gasket 3 is provided on the inner side wall of the sealing gasket groove 2, two sealing gasket grooves 2 and two sealing gaskets 3 are provided and are distributed in a concentric circle manner, a spherical tube body 20 is provided at one end with a spherical tube end head 21, a sealing ring 22 is provided on the outer surface of the spherical tube end head 21, a spherical tube fixing ring 17 is sleeved on the outer surface of the spherical tube body 20, two sealing rings 22 are provided, and the outer surfaces of the two sealing rings 22 are respectively abutted against the outer surface of the spherical tube end head 21 and the inner side wall of the spherical tube fixing ring 17.

[0028] In order to improve the sealing performance, Figures 1 to 7As shown, the present application adopts the following structure, through the arrangement of the sealing gasket groove 2, the sealing gasket 3 and the sealing ring 22, the spherical pipe joint structure for the large diesel engine has the effect of improving the sealing performance, through the matching arrangement of the sealing gasket groove 2 and the sealing gasket 3 and the sealing ring 22 with the spherical pipe end 21 and the spherical pipe fixing ring 17, when in use, the connecting plate 1 can be fixed to the outer surface of the pipeline port of the diesel engine after the bolts are inserted into the inside of the connecting block 23, at this time, the sealing gasket 3 in the sealing gasket groove 2 can fit tightly to the outer surface of the connecting plate 1 and the outer surface of the diesel engine, so as to It is enough to achieve a good seal between the connecting plate 1 and the diesel engine. Then, as the spherical tube fixing ring 17 is tightened, the inner side wall of the spherical tube fixing ring 17, the outer surface of the spherical tube end head 21 and the end of the externally threaded spherical tube 4 will respectively squeeze the outer surface of the sealing ring 22, so that the sealing ring 22 can fit tightly against the end face of the externally threaded spherical tube 4, the outer surface of the spherical tube end head 21 and the inner side wall of the spherical tube fixing ring 17. During use, the connection between the joint and the diesel engine and the connection between the spherical tube and the joint can be well sealed, thereby achieving the purpose of facilitating the improvement of the sealing performance.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A spherical pipe joint structure for a large diesel engine, comprising a connecting plate and a spherical pipe body, characterized in that: A sealing gasket groove is provided on one side of the connecting plate, and a sealing gasket is provided on the inner wall of the sealing gasket groove, and an externally threaded spherical tube is provided on the inner side of the other side of the connecting plate, and a shell is provided on the outer side of the other side of the connecting plate, and the inner wall of the shell is fixedly connected to the rotating shaft, and the outer surface of the rotating shaft is rotatably connected with a clamping tooth, and a rotating ring is rotatably connected between the outer surface of the connecting plate and the outer surface of the shell, and the inner side wall of the rotating ring is rotatably connected to the first hinge block through the first support ear block, one end of the first hinge block is fixedly connected to a spring, and the outer surface of the clamping tooth is rotatably connected to the second hinge block through the second support ear block, a limiting plate is provided on the outer surface of the shell, and a limiting block is provided on the inner side wall of the rotating ring, a spherical tube end head is provided at one end of the spherical tube body, and a sealing ring is provided on the outer surface of the spherical tube body, and a spherical tube fixing ring is sleeved on the outer surface of the spherical tube body, and a limiting groove is provided on the outer surface of the fixing ring, a hexagonal block is provided on the right side of the outer surface of the spherical tube fixing ring, and a connecting block is provided on the outer surface of the connecting plate.

2. A spherical pipe joint structure for a large diesel engine according to claim 1, characterized in that: There are two sealing gasket grooves and two sealing gaskets, which are distributed in concentric circles.

3. A spherical pipe joint structure for a large diesel engine according to claim 1, characterized in that: The latch teeth, the first hinge block, the spring and the second hinge block are each provided in three and are evenly distributed in a circular array.

4. A spherical pipe joint structure for a large diesel engine according to claim 1, characterized in that: The outer surface of the rotating ring is provided with anti-skid protrusions, and a plurality of anti-skid protrusions are provided and evenly distributed in a ring array.

5. A spherical pipe joint structure for a large diesel engine according to claim 1, characterized in that: One end of the spring is fixedly connected to one end of the second hinge block.

6. A spherical pipe joint structure for a large diesel engine according to claim 1, characterized in that: A plurality of limiting grooves are arranged and evenly distributed in a ring array, and one end of the latching tooth is latched with the inner side wall of the limiting groove.

7. A spherical pipe joint structure for a large diesel engine according to claim 1, characterized in that: Two limiting plates are provided and are evenly distributed in a circular array, a limiting block is provided between the two limiting plates, and three groups of limiting plates and limiting blocks are provided and are evenly distributed in a circular array.

8. A spherical pipe joint structure for a large diesel engine according to claim 1, characterized in that: Two sealing rings are provided, and the outer surfaces of the two sealing rings are respectively in contact with the outer surface of the spherical tube end and the inner side wall of the spherical tube fixing ring.

Images