Turbocharger air inlet adapter pipe assembly with multiple interfaces

Abstract

The utility model relates to the technical field of turbochargers, and discloses a turbocharger air inlet adapter tube assembly with multiple interfaces, which comprises an adapter tube, the external part of the adapter tube is connected with a plurality of interfaces, the tail ends of the interfaces are hermetically connected with connecting flanges, and the connecting flanges are connected with the adapter tube through the interfaces; the connecting flange comprises a connecting ring fixedly connected to the tail end of the connector, the top of the connecting ring is connected with a flange plate, a communicating cavity is formed in the middle of the connecting ring and the middle of the flange plate, and a plurality of connecting holes are evenly distributed in the top of the flange plate. And a buffer assembly is arranged between the connecting ring and the communicating cavity. Due to the arrangement of the buffering assembly, buffering performance can be provided for instant change of pressure in the communication cavity, and the situation that leakage occurs due to the fact that the instant change pressure impacts the sealing ring is avoided; and the influence of instantaneous pressure change on the pipeline and the connecting part thereof can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of turbochargers, and more specifically, to a turbocharger intake transfer pipe assembly with multiple interfaces. Background Art

[0002] With increasingly stringent fuel consumption and emission regulations, more and more new technologies are being applied to supercharged engines, such as EGR technology. This has led to the need for the supercharger assembly pre-compression piping system to provide more interfaces, such as tortuous interfaces, pressure relief valve interfaces, EGR interfaces, etc. Its structure is becoming more and more complex, and it is often necessary to design separate first-level components with these interfaces to form the piping system before the supercharger.

[0003] The existing turbocharger intake pipe adapter assembly mainly realizes pipeline connection through flanges, and a rubber sealing ring is set before the flange. However, the pressure in the entire pipeline system changes instantly at any time, and the internal pressure of the turbocharger that is used for a long time changes frequently. In the long run, it not only affects the life of the pipeline and the stability of its connecting parts, but also continuously and frequently impacts the sealing ring, which may also cause the sealing ring to shift, deform or break, thereby causing leakage. Therefore, it needs to be improved. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a turbocharger intake transfer pipe assembly with multiple interfaces.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a turbocharger intake transfer pipe assembly with multiple interfaces, comprising a transfer pipe, the outside of which is connected with multiple interfaces, the ends of which are sealed and connected with connecting flanges, and the connecting flanges are connected to the transfer pipe through the interfaces;

[0006] The connecting flange includes a connecting ring fixedly connected to the end of the interface, a flange is connected to the top of the connecting ring, a connecting cavity is opened in the middle of the connecting ring and the flange, and a plurality of connecting holes evenly distributed are arranged on the top of the flange; a buffer component is arranged between the connecting ring and the connecting cavity, and a breathable component located outside the buffer component is arranged between the connecting ring and the flange;

[0007] The buffer assembly includes a sealed cavity opened inside the connecting ring, a connecting groove located at the bottom of the sealed cavity is opened inside the connecting ring, a venting groove is opened at the bottom of the inner cavity of the connecting cavity, and a mounting groove is opened inside the connecting ring and located at the top of the sealed cavity;

[0008] The installation groove, the sealing cavity, the connecting groove and the venting groove are connected in sequence, and the inner diameter of the sealing cavity is larger than the inner diameters of the connecting groove and the installation groove;

[0009] The internal sealing sleeve of the sealing cavity is connected with a buffer sealing ring, the interior of the mounting groove is provided with a buffer spring, the upper end of the buffer spring is connected to the top of the mounting groove, and the lower end of the buffer spring is connected to the top of the buffer sealing ring.

[0010] As a preferred technical solution of the utility model, the top of the flange is connected to a sealing ring located outside the connecting cavity, and the sealing ring is composed of a plurality of coaxial rings, the outer surface of the coaxial ring is smooth, and the top of the cross section of the coaxial ring is pointed.

[0011] As a preferred technical solution of the utility model, the plurality of coaxial rings do not contact each other, gaps are left between adjacent coaxial rings, and the heights of the plurality of coaxial rings are the same.

[0012] As a preferred technical solution of the utility model, the ventilation component includes a ventilation operation groove opened on the outer surface of the upper end of the connecting ring, the ventilation operation groove is located at the bottom of the flange and the connecting hole, and the interior of the connecting ring is provided with a plurality of ventilation holes located between the installation groove and the ventilation operation groove and evenly distributed, and the two ends of the ventilation holes are respectively connected to the installation groove and the ventilation operation groove.

[0013] As a preferred technical solution of the utility model, when the buffer spring returns to an initial state, the buffer sealing ring is located in the middle of the sealing cavity.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. Due to the setting of the buffer component, the utility model can provide buffering performance for the instantaneous change of pressure in the connecting cavity, avoid the instantaneous pressure change impacting the sealing ring and causing leakage; and can reduce the impact of the instantaneous pressure change on the pipeline and its connection.

[0016] 2. Due to the setting of the sealing ring of the utility model, since its top is smooth and pointed, it can effectively prevent dust and foreign particles from falling, thereby avoiding affecting its sealing performance; and the sealing ring is composed of multiple coaxial rings, which can avoid the influence of impurities on its top on the sealing performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the connecting flange of the utility model;

[0019] Figure 3 This is a bottom schematic diagram of the connecting flange of the utility model;

[0020] Figure 4This is a front view of the connecting flange of the utility model;

[0021] Figure 5 It is a cross-sectional view of the front side of the connecting flange of the utility model.

[0022] In the figure: 1. adapter tube; 2. interface; 3. connecting flange; 31. connecting ring; 32. flange; 33. connecting hole; 34. connecting cavity; 35. sealing ring; 36. buffer assembly; 361. sealing cavity; 362. connecting groove; 363. venting groove; 364. mounting groove; 365. buffer sealing ring; 366. buffer spring; 37. venting assembly; 371. venting operation groove; 372. venting hole. DETAILED DESCRIPTION

[0023] 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.

[0024] like Figures 1 to 5 As shown, the utility model provides a turbocharger intake transfer tube assembly with multiple interfaces, including a transfer tube 1, the outside of the transfer tube 1 is connected with multiple interfaces 2, the end of the interface 2 is sealed and connected with a connecting flange 3, and the connecting flange 3 is connected to the transfer tube 1 through the interface 2;

[0025] The connecting flange 3 includes a connecting ring 31 fixedly connected to the end of the interface 2, a flange 32 is connected to the top of the connecting ring 31, a connecting cavity 34 is opened in the middle of the connecting ring 31 and the flange 32, and a plurality of connecting holes 33 evenly distributed are arranged on the top of the flange 32; a buffer component 36 is arranged between the connecting ring 31 and the connecting cavity 34, and a breathable component 37 located outside the buffer component 36 is arranged between the connecting ring 31 and the flange 32; due to the arrangement of the buffer component 36, a buffering performance can be provided for the instantaneous change of pressure in the connecting cavity 34, so as to avoid the instantaneous change of pressure impacting the sealing ring 35 and causing leakage; and the influence of the instantaneous change of pressure on the pipeline and its connecting parts can be reduced;

[0026] The buffer assembly 36 includes a sealing cavity 361 provided inside the connecting ring 31, a connecting groove 362 located at the bottom of the sealing cavity 361 is provided inside the connecting ring 31, a venting groove 363 is provided at the bottom of the inner cavity of the connecting cavity 34, and a mounting groove 364 located at the top of the sealing cavity 361 is provided inside the connecting ring 31; due to the setting of the sealing cavity 361, sealing buffering can be achieved with the cooperation of the buffer sealing ring 365; and due to the cooperation of the connecting groove 362 and the mounting groove 364, the moving range of the buffer sealing ring 365 can be limited to prevent it from being separated from the sealing cavity 361;

[0027] The mounting groove 364, the sealing cavity 361, the connecting groove 362 and the venting groove 363 are connected in sequence, and the inner diameter of the sealing cavity 361 is larger than the inner diameters of the connecting groove 362 and the mounting groove 364;

[0028] The internal sealing sleeve of the sealing cavity 361 is connected with a buffer sealing ring 365, and a buffer spring 366 is arranged inside the mounting groove 364. The upper end of the buffer spring 366 is connected to the top of the mounting groove 364, and the lower end of the buffer spring 366 is connected to the top of the buffer sealing ring 365. Due to the setting of the buffer spring 366, the buffer effect can be achieved through the cooperation of the sealing cavity 361 and the buffer sealing ring 365 under the action of its restoring elastic force.

[0029] Among them, the top of the flange 32 is connected to the sealing ring 35 located outside the connecting cavity 34. The sealing ring 35 is composed of a plurality of coaxial rings. The outer surface of the coaxial ring is smooth, and the top of the coaxial ring cross section is pointed. Due to the setting of the sealing ring 35, since its top is smooth and pointed, it can effectively prevent dust and foreign particles from falling, thereby avoiding affecting its sealing.

[0030] Among them, several coaxial rings do not contact each other, gaps are left between adjacent coaxial rings, and the heights of several coaxial rings are the same; since the sealing ring 35 is composed of multiple coaxial rings of equal height, the impact of impurities on the sealing performance when some ring tops appear can be reduced.

[0031] Among them, the ventilation component 37 includes a ventilation operation groove 371 opened on the outer surface of the upper end of the connecting ring 31, the ventilation operation groove 371 is located at the bottom of the flange 32 and the connecting hole 33, and the interior of the connecting ring 31 is provided with a plurality of ventilation holes 372 located between the installation groove 364 and the ventilation operation groove 371 and evenly distributed, and the two ends of the ventilation holes 372 are respectively connected to the installation groove 364 and the ventilation operation groove 371; due to the setting of the ventilation operation groove 371, it can facilitate the installation of the nut at the lower end of the connecting hole 33, and can also ensure that dust can be effectively prevented from falling when the gas in the ventilation hole 372 circulates.

[0032] When the buffer spring 366 returns to its initial state, the buffer sealing ring 365 is located in the middle of the sealing cavity 361 .

[0033] The working principle and use process of this utility model:

[0034] With the cooperation of the connecting hole 33 and the bolts, the flange 32 is used to connect other pipeline systems; when the pressure in the pipeline changes too much instantly, the buffer sealing ring 365 can be pushed or pulled under the action of negative pressure to move up and down along the inside of the sealing cavity 361, and drive the gas on its top to flow through the sealing cavity 361, the installation groove 364 and the air vent 372, and at the same time compress or stretch the buffer spring 366 to enhance its elastic force.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0036] 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 turbocharger intake transfer pipe assembly with multiple interfaces, comprising a transfer pipe (1), characterized in that: The outside of the transfer tube (1) is connected to a plurality of interfaces (2), the ends of the interfaces (2) are sealedly connected to connection flanges (3), and the connection flanges (3) are connected to the transfer tube (1) via the interfaces (2); The connecting flange (3) comprises a connecting ring (31) fixedly connected to the end of the interface (2); the top of the connecting ring (31) is connected to a flange (32); a connecting cavity (34) is provided in the middle of the connecting ring (31) and the flange (32); the top of the flange (32) is provided with a plurality of evenly distributed connecting holes (33); a buffer component (36) is provided between the connecting ring (31) and the connecting cavity (34); a breathable component (37) located outside the buffer component (36) is provided between the connecting ring (31) and the flange (32); The buffer assembly (36) comprises a sealed cavity (361) opened inside the connecting ring (31); a connecting groove (362) located at the bottom of the sealed cavity (361) is opened inside the connecting ring (31); a venting groove (363) is opened at the bottom of the inner cavity of the connecting cavity (34); and a mounting groove (364) located at the top of the sealed cavity (361) is opened inside the connecting ring (31); The installation groove (364), the sealing cavity (361), the connecting groove (362) and the venting groove (363) are connected in sequence, and the inner diameter of the sealing cavity (361) is larger than the inner diameters of the connecting groove (362) and the installation groove (364); The internal sealing sleeve of the sealing cavity (361) is connected with a buffer sealing ring (365), and the interior of the mounting groove (364) is provided with a buffer spring (366), the upper end of the buffer spring (366) is connected to the top of the mounting groove (364), and the lower end of the buffer spring (366) is connected to the top of the buffer sealing ring (365).

2. The turbocharger intake transfer pipe assembly with multiple interfaces according to claim 1, characterized in that: The top of the flange (32) is connected to a sealing ring (35) located outside the connecting cavity (34). The sealing ring (35) is composed of a plurality of coaxial rings. The outer surface of the coaxial ring is smooth, and the top of the cross section of the coaxial ring is pointed.

3. The turbocharger intake transfer pipe assembly with multiple interfaces according to claim 2, characterized in that: The coaxial rings do not contact each other, gaps are left between adjacent coaxial rings, and the heights of the coaxial rings are the same.

4. The turbocharger intake transfer pipe assembly with multiple interfaces according to claim 1, characterized in that: The ventilation component (37) includes a ventilation operation groove (371) formed on the outer surface of the upper end of the connecting ring (31), the ventilation operation groove (371) is located at the bottom of the flange (32) and the connecting hole (33), and the interior of the connecting ring (31) is provided with a plurality of ventilation holes (372) that are evenly distributed and located between the mounting groove (364) and the ventilation operation groove (371), and the two ends of the ventilation holes (372) are respectively connected to the mounting groove (364) and the ventilation operation groove (371).

5. The turbocharger intake transfer pipe assembly with multiple interfaces according to claim 1, characterized in that: When the buffer spring (366) returns to its initial state, the buffer sealing ring (365) is located in the middle of the sealing cavity (361).

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