CN216743297U - Engine air inlet connecting device - Google Patents
Engine air inlet connecting device Download PDFInfo
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- CN216743297U CN216743297U CN202123362908.1U CN202123362908U CN216743297U CN 216743297 U CN216743297 U CN 216743297U CN 202123362908 U CN202123362908 U CN 202123362908U CN 216743297 U CN216743297 U CN 216743297U
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- air inlet
- connecting pipe
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- 238000007789 sealing Methods 0.000 claims description 32
- 238000003032 molecular docking Methods 0.000 claims description 16
- 238000012360 testing method Methods 0.000 abstract description 14
- 238000009434 installation Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides an engine air inlet connecting device, which relates to the technical field of engine testing and comprises a connecting pipe, wherein one end of the connecting pipe is used for being connected with an air inlet of an engine, and the other end of the connecting pipe is used for being connected with an air inlet conditioner of the engine; the connecting pipe reciprocates relative to the guide support under the matching of the upper air inlet joint and the lower air inlet joint. The connecting pipe of the engine air inlet connecting device provided by the utility model can be used for introducing air into the upper driving cavity through the upper air inlet joint, the upper driving cavity is enlarged under the pressure action of the air, and then the driving table is enabled to move away from the upper end cover, namely the connecting pipe moves towards the lower end cover relative to the guide support.
Description
Technical Field
The utility model relates to the technical field of engine testing, in particular to an air inlet connecting device of an engine.
Background
With the rapid development of the automobile industry, the requirement on engine testing equipment is higher and higher, and in order to improve the utilization rate of an engine testing bench, the requirement on the installation time of an engine in the testing bench is higher and higher.
In the existing laboratory, an air inlet air conditioner of an engine and an air inlet of the engine are basically connected manually, so that the efficiency is low, and an operator is required to manually connect and remove the air inlet pipe during each test; the reliability can not be guaranteed, and the method is seriously dependent on the proficiency of operators.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an engine air inlet connecting device to solve the technical problem that the efficiency of an engine air inlet air conditioner and an air inlet of an engine is low when the engine is manually connected in an engine and test bench.
The utility model provides an engine air inlet connecting device which comprises a connecting pipe, wherein one end of the connecting pipe is used for being connected with an air generating port, and the other end of the connecting pipe is used for being connected with an engine air inlet air conditioner;
a guide bracket is sleeved on the connecting pipe, and the guide bracket and the connecting pipe are arranged in a sliding manner;
the guide support comprises an upper end cover, a connecting sleeve and a lower end cover which are sequentially connected, and the upper end cover, the connecting sleeve and the lower end cover are all sleeved on the connecting pipe;
a closed cavity is formed between the guide support and the connecting pipe, a driving platform which is abutted against the inner wall of the connecting sleeve is arranged on the connecting pipe, and the driving platform enables the closed cavity to form an upper driving cavity and a lower driving cavity;
an upper air inlet joint communicated with the upper driving cavity is arranged on the upper end cover, and a lower air inlet joint communicated with the lower driving cavity is arranged on the lower end cover; the connecting pipe reciprocates relative to the guide support under the matching of the upper air inlet joint and the lower air inlet joint.
In an optional embodiment, a magnetic ring is arranged on the connecting pipe, two sensors are arranged on the guide support, and the two sensors and the magnetic ring are matched to detect the relative position of the connecting pipe and the guide support.
In an alternative embodiment, an annular groove for fixing the magnetic ring is provided on the driving stage, and a wear-resistant ring is further provided in the annular groove, and the wear-resistant ring is disposed between the magnetic ring and the inner wall of the connecting sleeve.
In an optional embodiment, the guide bracket further includes a connecting rod, and two ends of the connecting rod are respectively connected to the upper end cover and the lower end cover, so that the upper end cover and the lower end cover clamp the connecting rod.
In an optional embodiment, a sensor bracket for fixing a sensor is sleeved on the connecting rod, and the sensor bracket is fixed on the connecting sleeve.
In an optional embodiment, guide sleeves are arranged in the upper end cover and the lower end cover, and the guide sleeves are sleeved on the connecting pipe.
In an alternative embodiment, the connecting tube has a pagoda adapter at one end for connection to an air intake hose and a docking flange at the other end for docking with an engine air intake.
In an optional embodiment, a first sealing ring is arranged between the upper end cover and the connecting pipe, and a second sealing ring is arranged between the lower end cover and the connecting pipe.
In an alternative embodiment, the drive table sleeve is provided with a third sealing ring.
In an optional embodiment, a fourth sealing ring is arranged at the joint of the upper end cover and the connecting sleeve, and a fifth sealing ring is arranged at the joint of the lower end cover and the connecting sleeve.
The connecting pipe of the engine air inlet connecting device provided by the utility model can be used for introducing air into the upper driving cavity through the upper air inlet joint, the upper driving cavity is enlarged under the pressure action of the air, and then the driving table is enabled to move away from the upper end cover, namely the connecting pipe moves towards the lower end cover relative to the guide support.
Compared with the prior art, the connecting pipe is manually connected with the air inlet of the engine, so that the mounting efficiency is improved, and the utilization rate of the engine test bench is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural diagram of an engine intake connection device according to an embodiment of the present invention;
FIG. 2 is a schematic view of an alternate angle of the engine intake air connection shown in FIG. 1;
FIG. 3 is a schematic cross-sectional view A-A of the engine intake air connection assembly shown in FIG. 2;
FIG. 4 is an enlarged fragmentary view B of the engine intake air connection shown in FIG. 3;
FIG. 5 is an enlarged fragmentary view of C of the engine intake air connection shown in FIG. 3;
fig. 6 is a partially enlarged view of a portion D of the engine intake connecting device shown in fig. 3.
Icon: 100-connecting pipe; 101-pagoda joints; 102-a counterflange; 200-a guide bracket; 201-upper end cap; 202-connecting rod; 203-a connection sleeve; 204-lower end cap; 300-upper inlet connection; 400-lower air inlet joint; 500-a drive stage; 600-a sensor holder; 700-a sensor; 800-a first seal ring; 900-a guide sleeve; 110 — an upper drive chamber; 120-a magnetic ring; 130-a wear ring; 140-a fourth seal ring; 150-a third seal ring; 160-lower drive chamber; 170-fifth sealing ring; 180-second sealing ring.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1 to 6, the present invention provides an engine intake connection device, including a connection pipe 100, one end of the connection pipe 100 is used for connecting with an engine intake, and the other end is used for connecting with an engine intake air conditioner;
a guide bracket 200 is sleeved on the connecting pipe 100, and the guide bracket 200 and the connecting pipe 100 are arranged in a sliding manner;
the guide bracket 200 comprises an upper end cover 201, a connecting sleeve 203 and a lower end cover 204 which are connected in sequence, and the upper end cover 201, the connecting sleeve 203 and the lower end cover 204 are all sleeved on the connecting pipe 100;
a sealed cavity is formed between the guide bracket 200 and the connecting pipe 100, a driving table 500 which is abutted against the inner wall of the connecting sleeve 203 is arranged on the connecting pipe 100, and the driving table 500 enables the sealed cavity to form an upper driving cavity 110 and a lower driving cavity 160;
an upper air inlet joint 300 communicated with the upper driving cavity 110 is arranged on the upper end cover 201, and a lower air inlet joint 400 communicated with the lower driving cavity 160 is arranged on the lower end cover 204; the connection pipe 100 reciprocates relative to the guide bracket 200 by the cooperation of the upper intake connector 300 and the lower intake connector 400.
In some embodiments, one end of the connecting pipe 100 of the engine intake connecting device is a pagoda joint 101, the other end is provided with a docking flange 102 for connecting the air inlet of the engine, one end of the pagoda joint 101 of the connecting pipe 100 is connected with an intake hose, and the intake hose moves along with the connecting pipe 100 when the connecting pipe 100 moves; the docking flange 102 is used for connection to an engine.
When the butting flange 102 is required to be connected with an air inlet of an engine, the upper air inlet joint 300 is connected with an air supply system, and after the upper air inlet joint 300 is opened, air enters the upper driving cavity 110 from the upper air inlet joint 300; under the action of the air pressure of the upper driving cavity 110, the upper driving cavity 110 is continuously enlarged, namely, the distance between the driving table 500 and the upper end cover 201 is enlarged by the air, namely, the connecting pipe 100 moves towards the direction of the lower end cover 204, and the butting flange 102 is connected with an air inlet of the engine; when the docking flange 102 needs to be separated from the engine air inlet, air is introduced into the lower driving chamber 160 through the lower air inlet connector 400, that is, the air increases the distance between the driving stage 500 and the lower end cover 204, that is, the connecting pipe 100 moves towards the upper end cover 201, and the docking flange 102 is separated from the engine air inlet.
Referring to fig. 1 and 5, in an alternative embodiment, a magnetic ring 120 is disposed on the connection pipe 100, two sensors 700 are disposed on the guide bracket 200, and the two sensors 700 cooperate with the magnetic ring 120 to detect the relative positions of the connection pipe 100 and the guide bracket 200.
In an alternative embodiment, an annular groove for fixing the magnetic ring 120 is provided on the driving stage 500, and a wear ring 130 is further provided in the annular groove, and the wear ring 130 is disposed between the magnetic ring 120 and the inner wall of the connecting sleeve 203.
In order to ensure that the docking flange 102 is connected with or separated from the air inlet of the engine, the connecting pipe 100 is provided with a magnetic ring 120, and the magnetic ring 120 can respectively correspond to the two sensors 700 along with the connecting pipe 100; when the butt flange 102 of the connecting pipe 100 moves towards the air inlet of the engine, the magnetic ring 120 corresponds to one of the sensors 700, the sensor 700 detects the magnetic ring 120 and transmits a signal to the control device, and the control device stops introducing air into the upper driving cavity 110; namely, the butting flange 102 is connected with an air inlet of the engine; when the docking flange 102 is separated from the engine intake, the connection pipe 100 moves away from the lower end cover 204, the magnetic ring 120 is separated from one of the sensors 700 and moves to the other sensor 700, and after the magnetic ring 120 is matched with the sensor 700, the sensor 700 sends a signal to a control device to stop the connection pipe 100 from moving, and the docking flange 102 is separated from the engine intake.
A magnetic ring 120 is arranged in an annular groove on the driving platform 500, and in order to avoid abrasion of the magnetic ring 120 caused by relative sliding between the driving platform 500 and the connecting sleeve 203, a wear-resistant ring 130 is arranged in the annular groove; the wear-resistant ring 130 fixes the magnetic ring 120 in the annular groove, and the wear-resistant ring 130 slides relative to the connecting sleeve 203, so that the abrasion of the magnetic ring 120 is avoided, and the detection accuracy of the magnetic ring 120 by the sensor 700 is influenced.
Referring to fig. 1 and 2, in an alternative embodiment, the guide bracket 200 further includes a connecting rod 202, and both ends of the connecting rod 202 are respectively connected to the upper end cap 201 and the lower end cap 204, so that the upper end cap 201 and the lower end cap 204 clamp the connecting sleeve 203.
Two ends of the connecting rod 202 are respectively connected with the upper end cover 201 and the lower end cover 204, generally, both the upper end cover 201 and the lower end cover 204 are provided with mounting holes, a first end of the connecting rod 202 sequentially penetrates through the lower end cover 204 and the mounting holes of the upper end cover 201 to penetrate, a second end of the connecting rod 202 is clamped on the lower end cover 204, and a fixing nut is mounted on the first end so as to connect the upper end cover 201, the lower end cover 204 and the connecting rod 202; typically, the upper end cap 201 and the lower end cap 204 are secured by at least three connecting rods 202.
In an alternative embodiment, a sensor holder 600 for fixing the sensor 700 is sleeved on the connecting rod 202, and the sensor holder 600 is fixed on the connecting sleeve 203.
Referring to fig. 4, in an alternative embodiment, a guide sleeve 900 is disposed in each of the upper end cover 201 and the lower end cover 204, and the guide sleeve 900 is sleeved on the connection pipe 100.
The sensor holder 600 has a through hole, one end of the sensor holder 600 is sleeved on the connecting rod 202, and the sensor holder 600 can be fixedly connected with the connecting rod 202.
In an alternative embodiment, the connecting tube 100 has a pagoda adapter 101 at one end for connection to an air intake hose and a docking flange 102 at the other end for docking with an air intake of an engine.
A sealing ring is also provided at the connection between the counterflange 102 and the connection pipe 100 to prevent air entering from the connection pipe 100 from leaking out of the connection pipe 100 and the counterflange 102.
In an alternative embodiment, a first sealing ring 800 is disposed between the upper end cover 201 and the connection pipe 100, and a second sealing ring 180 is disposed between the lower end cover 204 and the connection pipe 100.
In an alternative embodiment, the drive stage 500 is fitted with a third seal 150.
In an alternative embodiment, a fourth sealing ring 140 is disposed at the connection position of the upper end cap 201 and the connection sleeve 203, and a fifth sealing ring 170 is disposed at the connection position of the lower end cap 204 and the connection sleeve 203.
In order to ensure the sealing performance of the sealed cavity of the whole engine intake connection device, the upper end cover 201 is provided with the first sealing ring 800, the first sealing ring 800 is used for sealing a gap between the upper end cover 201 and the connection pipe 100, the driving platform 500 is provided with the third sealing ring 150, the third sealing ring 150 is used for sealing a gap between the driving platform 500 and the connection sleeve 203, and then the first sealing ring 800 and the third sealing ring 150 are matched to enable the upper driving cavity 110 to have good sealing performance, so that gas can better drive the driving platform 500 to move.
Similarly, a second sealing ring 180 is disposed on the lower end cap 204, and the second sealing ring 180 is used for sealing the upper end cap 201 and the connecting pipe 100.
In order to ensure the sealing performance of the connection position of the connection sleeve 203 with the upper end cap 201 and the lower end cap 204, a fourth sealing ring 140 is arranged at the connection position of the upper end cap 201 and the connection sleeve 203, and a fifth sealing ring 170 is arranged at the connection position of the lower end cap 204 and the connection sleeve 203.
The connecting pipe 100 of the engine air inlet connecting device provided by the utility model can introduce gas into the upper driving cavity 110 through the upper air inlet connector 300, the upper driving cavity 110 is enlarged under the pressure action of the gas, and further the driving platform 500 is moved away from the upper end cover 201, namely the connecting pipe 100 moves towards the lower end cover 204 relative to the guide support 200, and similarly, the gas is introduced into the lower driving cavity 160, so that the connecting pipe 100 moves towards the upper end cover 201 relative to the guide support 200, namely the connecting pipe 100 is connected with and separated from an engine air inlet.
Compare in prior art and adopt artifical manual messenger connecting pipe 100 to be connected with the engine air inlet, improved the installation effectiveness, improved engine test bench utilization ratio, and solved and adopted artifical manual messenger connecting pipe 100 and be connected with the engine air inlet, the reliability can't be guaranteed, relies on the problem of operative employee's proficiency seriously.
The engine air inlet connecting device enables compressed air to enter the upper air inlet joint 300 or the lower air inlet joint 400 by controlling the reversing valve, realizes the conversion of the moving direction of the connecting pipe 100, further realizes the up-and-down movement of the driving butt flange 102, and realizes the connection and disconnection with an engine air inlet; the sensor 700 is matched with the magnetic ring 120, and can also detect whether the docking flange 102 is connected with an engine air inlet, when the magnetic ring 120 corresponds to one sensor 700, the docking flange 102 is in a state of being separated from the engine air inlet, and when the magnetic ring 120 corresponds to another sensor 700, the docking flange 102 is in a state of being connected with the engine air inlet.
The engine air inlet connecting device is used for automatically connecting the engine air inlet air conditioner with the engine air inlet, so that the installation time of the engine in the test bench can be obviously prolonged, the time of occupying the bench in each test is reduced, and the utilization rate of the test bench is increased. The engine air inlet connecting device is suitable for a full-automatic test bench, in particular to a diesel engine off-line test bench.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The air inlet connecting device of the engine is characterized by comprising a connecting pipe (100), wherein one end of the connecting pipe (100) is used for being connected with an air inlet of the engine, and the other end of the connecting pipe is used for being connected with an air inlet conditioner of the engine;
a guide bracket (200) is sleeved on the connecting pipe (100), and the guide bracket (200) and the connecting pipe (100) are arranged in a sliding manner;
the guide support (200) comprises an upper end cover (201), a connecting sleeve (203) and a lower end cover (204) which are sequentially connected, and the upper end cover (201), the connecting sleeve (203) and the lower end cover (204) are sleeved on the connecting pipe (100);
a closed cavity is formed between the guide support (200) and the connecting pipe (100), a driving table (500) which is abutted against the inner wall of the connecting sleeve (203) is arranged on the connecting pipe (100), and the driving table (500) enables the closed cavity to form an upper driving cavity (110) and a lower driving cavity (160);
an upper air inlet joint (300) communicated with an upper driving cavity (110) is arranged on the upper end cover (201), and a lower air inlet joint (400) communicated with a lower driving cavity (160) is arranged on the lower end cover (204); the connecting pipe (100) reciprocates relative to the guide bracket (200) under the matching of the upper air inlet joint (300) and the lower air inlet joint (400).
2. The engine intake connection device according to claim 1, wherein the connecting pipe (100) is provided with a magnetic ring (120), the guide bracket (200) is provided with two sensors (700), and the two sensors (700) and the magnetic ring (120) are matched to detect the relative position of the connecting pipe (100) and the guide bracket (200).
3. The engine intake connection of claim 2, characterized in that the drive table (500) is provided with an annular groove for fixing the magnetic ring (120), and a wear ring (130) is further provided in the annular groove, and the wear ring (130) is disposed between the magnetic ring (120) and the inner wall of the connection sleeve (203).
4. The engine intake connection according to claim 3, wherein the guide bracket (200) further comprises a connecting rod (202), and both ends of the connecting rod (202) are connected with the upper end cover (201) and the lower end cover (204), respectively, and enable the upper end cover (201) and the lower end cover (204) to clamp the connecting sleeve (203).
5. The engine intake connection device according to claim 4, wherein a sensor bracket (600) for fixing a sensor (700) is sleeved on the connecting rod (202), and the sensor bracket (600) is fixed on the connecting rod (202).
6. The engine intake connecting device according to claim 3, wherein a guide sleeve (900) is arranged in each of the upper end cover (201) and the lower end cover (204), and the guide sleeve (900) is sleeved on the connecting pipe (100).
7. The engine intake connection according to claim 1, wherein the connection pipe (100) has a pagoda joint (101) at one end for connection to an intake hose and a docking flange (102) at the other end for docking with an engine intake.
8. The engine intake connection according to claim 7, wherein a first sealing ring (800) is disposed between the upper end cover (201) and the connection pipe (100), and a second sealing ring (180) is disposed between the lower end cover (204) and the connection pipe (100).
9. The engine intake connection according to claim 7, wherein the drive table (500) is sleeved with a third seal ring (150).
10. The engine intake connection according to claim 7, characterized in that a fourth sealing ring (140) is arranged at the connection of the upper end cover (201) and the connecting sleeve (203), and a fifth sealing ring (170) is arranged at the connection of the lower end cover (204) and the connecting sleeve (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123362908.1U CN216743297U (en) | 2021-12-29 | 2021-12-29 | Engine air inlet connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123362908.1U CN216743297U (en) | 2021-12-29 | 2021-12-29 | Engine air inlet connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216743297U true CN216743297U (en) | 2022-06-14 |
Family
ID=81938259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123362908.1U Active CN216743297U (en) | 2021-12-29 | 2021-12-29 | Engine air inlet connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216743297U (en) |
-
2021
- 2021-12-29 CN CN202123362908.1U patent/CN216743297U/en active Active
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Effective date of registration: 20240118 Address after: 200120 Room 101, 1f, No. 175, weizhan Road, Lingang xinpian District, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee after: Lister Intelligent Technology (Shanghai) Co.,Ltd. Address before: 201000 plot D6, Zone D, No. 225, Fute North Road, Pudong New Area (Shanghai) pilot Free Trade Zone, Shanghai Patentee before: Liszt test equipment (Shanghai) Co.,Ltd. |