Water inlet pipe connector of direct injection engine

Abstract

The utility model provides a direct injection engine water inlet pipe connector which comprises an engine water inlet and outlet pipe seat, a water inlet pipe connector and a water inlet pipe body. The utility model relates to the technical field of direct injection engines. According to the direct injection engine water inlet pipe connector, the positioning mechanism is arranged, two pressing blocks can be pushed to drive a U-shaped block and a transmission rod to move, when the transmission block moves, the surface of the transmission block can extrude the bevel edge part of the inner wall of a transmission groove, and therefore the transmission block and a positioning rod are driven to move along the tracks of a guide rod and a guide hole; the positioning rod retracts into the shell, then the positioning rod is aligned with the positions of the limiting block and the limiting groove, the first positioning ring and the second positioning ring are in butt joint, the limiting block enters the limiting groove, then the pressing block is loosened, the elastic force generated by the spring can push the positioning rod to enter the positioning hole, and positioning of the limiting block is completed; and the effect of conveniently connecting the water inlet pipe connector with the water inlet pipe body is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of direct injection engines, in particular to a water inlet pipe interface of a direct injection engine. Background Technique

[0002] A direct injection engine is a type of automotive engine that uses advanced in-cylinder direct injection and turbocharging technologies, significantly improving engine efficiency, generating more powerful power with low fuel consumption and low emissions. The water inlet pipe interface is a component in the engine cooling system.

[0003] A supercharged direct injection engine inlet and outlet water pipe seat assembly provided by the publication number "CN205277586U" includes an engine inlet and outlet water pipe seat and a heating and ventilation return water pipe. The heating and ventilation return water pipe is connected to the upper side of the left end of the engine inlet and outlet water pipe seat. An inlet water pipe interface is provided on the rear side of the left end of the engine inlet and outlet water pipe seat. An engine water inlet pipe interface is provided on the left end face of the engine inlet and outlet water pipe seat. An engine water outlet pipe interface is provided on the front side of the right end of the engine inlet and outlet water pipe seat, and a cylinder block water outlet is provided on the rear side. A water temperature sensor installation hole is provided on the right end face of the engine inlet and outlet water pipe seat. A small circulation pipeline connecting the cylinder block water outlet and the inlet water pipe interface is provided inside the engine inlet and outlet water pipe seat. The utility model can solve the problem of difficult installation and layout of the engine inlet and outlet water pipes.

[0004] However, the following problems still exist in the implementation of the above device:

[0005] The prior art and the above solution can solve the problem of difficult installation and layout of the engine inlet and outlet water pipes. However, considering that the connection between the water inlet pipe interface of the direct injection engine and the water inlet pipe is often fixed by screws, tools are required during the installation process, and the space in the engine compartment is relatively small, which will cause inconvenience in installation. In this application, a water inlet pipe interface of a direct injection engine is proposed to solve this problem. Content of the Utility Model

[0006] The purpose of the utility model is to provide a water inlet pipe interface of a direct injection engine to solve the problems raised in the above background technique.

[0007] To achieve the above purpose, the utility model provides the following technical solutions:

[0008] A direct injection engine inlet water pipe interface, comprising an engine inlet and outlet water pipe seat, an inlet water pipe interface and an inlet water pipe body. The inlet water pipe interface is fixedly communicated with one side of the engine inlet and outlet water pipe seat. The inlet water pipe body is arranged on one side of the inlet water pipe interface. A first positioning ring is fixedly connected to one side of the inlet water pipe interface. A second positioning ring is fixedly connected to one side of the inlet water pipe body. Shells are fixedly connected to both sides of the first positioning ring. Matching blocks opposite to the shells in position are fixedly connected to both sides of the second positioning ring. A limiting block is fixedly connected to one side of the matching block. A limiting groove for cooperating with the limiting block is formed in one side of the shell. A positioning mechanism is arranged inside the shell. A sealing mechanism is arranged inside the first positioning ring;

[0009] The positioning mechanism includes a positioning rod arranged inside the shell. One end of the positioning rod penetrates into the limiting groove. A positioning hole for cooperating with the positioning rod is formed in one side of the limiting block. Transmission blocks are fixedly connected to the top and bottom of the positioning rod. A transmission groove is formed in one side of the transmission block. A transmission rod is arranged inside the transmission groove. Pressing blocks are arranged on the top and bottom of the shell. A U-shaped block is fixedly connected to one side of the pressing block close to the shell. One side of the U-shaped block penetrates into the inside of the shell. One end of the transmission rod is fixedly connected to the inner wall of the U-shaped block.

[0010] Preferably, the sealing mechanism includes an insertion connecting pipe fixedly connected to one end of the inlet water pipe body. Four sealing rings are sleeved on the surface of the insertion connecting pipe. Four convex blocks are fixedly connected to one side of the sealing ring. A groove for cooperating with the convex block is formed in the other side of the sealing ring.

[0011] Preferably, the sealing ring is made of rubber, and the outer surface contacts with the inner wall of the first positioning ring.

[0012] Preferably, one end of the convex block is arc-shaped.

[0013] Preferably, two springs are fixedly connected to one end of the positioning rod. One end of the spring is fixedly connected to the inner wall of the shell.

[0014] Preferably, a guiding rod is fixedly connected to the inner wall of the shell. A guiding hole for cooperating with the guiding rod is formed in one end of the positioning rod.

[0015] Preferably, the inner wall of the transmission groove is in a slope shape.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model is provided with a positioning mechanism, which can drive the U-shaped block and the transmission rod to move by pushing the two pressing blocks. When the transmission block moves, its surface will squeeze the beveled portion of the inner wall of the transmission groove, thereby driving the transmission block and the positioning rod to move along the trajectory of the guide rod and the guide hole, so that the positioning rod is retracted into the shell, and then the position of the limit block and the limit groove is aligned, the first positioning ring is connected with the second positioning ring, so that the limit block enters the limit groove, and then the pressing block is released. The elastic force generated by the spring will push the positioning rod into the positioning hole, complete the positioning of the limit block, and then complete the connection between the water inlet pipe interface and the water inlet pipe body, which facilitates the connection between the water inlet pipe interface and the water inlet pipe body.

[0018] 2. The utility model provides a sealing mechanism, which can enable the plug-in tube to enter the interior of the first positioning ring while the positioning mechanism positions the water inlet pipe interface and the water inlet pipe body. At the same time, the four sealing rings on the surface of the plug-in tube will be in close contact with the inner wall of the first positioning ring to achieve a four-layer sealing effect. At the same time, the sealing rings are connected by protrusions and grooves, which can facilitate the replacement of the sealing rings, thereby effectively improving the sealing performance of the water inlet pipe interface after being connected to the water inlet pipe body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0020] Figure 2 A three-dimensional diagram of a section view of the main structure of the utility model;

[0021] Figure 3 It is a three-dimensional diagram of the water inlet pipe of the utility model;

[0022] Figure 4 It is a three-dimensional diagram of the exploded sealing ring of the utility model;

[0023] Figure 5 It is a three-dimensional diagram of a cutaway view of the housing of the utility model;

[0024] Figure 6 It is a three-dimensional diagram of the local structure of the positioning mechanism of the utility model;

[0025] Figure 7 It is a three-dimensional diagram of the U-shaped block of the utility model.

[0026] In the figure: 1. Engine inlet and outlet water pipe seat; 2. Inlet water pipe interface; 3. Inlet water pipe body; 4. First positioning ring; 5. Second positioning ring; 6. Housing; 7. Fitting block; 8. Limiting block; 9. Limiting groove; 10. Positioning rod; 11. Positioning hole; 12. Transmission block; 13. Transmission groove; 14. Transmission rod; 15. Pressing block; 16. U-shaped block; 17. Insertion connection pipe; 18. Sealing ring; 19. Convex block; 20. Groove; 21. Spring; 22. Guide rod; 23. Guide hole. Detailed implementation manner

[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0028] Please refer to Figure 1 - Figure 7 , the present invention provides a technical solution:

[0029] Embodiment 1:

[0030] A direct injection engine inlet water pipe interface includes an engine inlet and outlet water pipe seat 1, an inlet water pipe interface 2 and an inlet water pipe body 3. The inlet water pipe interface 2 is fixedly communicated with one side of the engine inlet and outlet water pipe seat 1. The inlet water pipe body 3 is arranged on one side of the inlet water pipe interface 2. A first positioning ring 4 is fixedly connected to one side of the inlet water pipe interface 2. A second positioning ring 5 is fixedly connected to one side of the inlet water pipe body 3. Both sides of the first positioning ring 4 are fixedly connected with a housing 6. Both sides of the second positioning ring 5 are fixedly connected to the fitting blocks 7 at opposite positions of the housing 6. A limiting block 8 is fixedly connected to one side of the fitting block 7. A limiting groove 9 for cooperating with the limiting block 8 is opened on one side of the housing 6. A positioning mechanism is arranged inside the housing 6, and a sealing mechanism is arranged inside the first positioning ring 4;

[0031] The positioning mechanism includes a positioning rod 10 arranged inside the housing 6. One end of the positioning rod 10 penetrates into the limiting groove 9. A positioning hole 11 for cooperating with the positioning rod 10 is opened on one side of the limiting block 8. Both the top and bottom of the positioning rod 10 are fixedly connected with a transmission block 12. A transmission groove 13 is opened on one side of the transmission block 12. A transmission rod 14 is arranged inside the transmission groove 13. Pressing blocks 15 are arranged on both the top and bottom of the housing 6. A U-shaped block 16 is fixedly connected to the side of the pressing block 15 close to the housing 6. One side of the U-shaped block 16 penetrates into the housing 6. One end of the transmission rod 14 is fixedly connected to the inner wall of the U-shaped block 16.

[0032] In this embodiment, considering that the connection between the water inlet pipe interface 2 of the direct injection engine and the water inlet pipe body 3 is often fixed by screws, tools are required during the installation process. However, the space in the engine compartment is relatively small, which causes inconvenience in installation. Therefore, by setting a positioning mechanism, it is possible to drive the U-shaped block 16 and the transmission rod 14 to move by pushing two pressing blocks 15. When the transmission block 12 moves, the surface thereof will squeeze the inclined part of the inner wall of the transmission groove 13, thereby driving the transmission block 12 and the positioning rod 10 to move along the trajectories of the guide rod 22 and the guide hole 23, so that the positioning rod 10 retracts into the interior of the housing 6. Then, align the positions of the limiting block 8 and the limiting groove 9, dock the first positioning ring 4 with the second positioning ring 5, so that the limiting block 8 enters the interior of the limiting groove 9. Then release the pressing block 15, and the elastic force generated by the spring 21 will push the positioning rod 10 into the positioning hole 11, completing the positioning of the limiting block 8, and further completing the connection between the water inlet pipe interface 2 and the water inlet pipe body 3, which facilitates the connection between the water inlet pipe interface 2 and the water inlet pipe body 3;

[0033] It solves the problem that considering that the connection between the water inlet pipe interface 2 of the direct injection engine and the water inlet pipe body 3 is often fixed by screws, tools are required during the installation process. However, the space in the generator compartment is relatively small, which causes inconvenience in installation.

[0034] Preferably, two springs 21 are fixedly connected to one end of the positioning rod 10, and one end of the spring 21 is fixedly connected to the inner wall of the housing 6.

[0035] In this embodiment, by setting the spring 21, when the user releases the pressing block 15, the elastic force generated by the spring 21 will push the positioning rod 10 into the interior of the positioning hole 11, which plays a role in resetting the positioning rod 10.

[0036] Preferably, a guide rod 22 is fixedly connected to the inner wall of the housing 6, and a guide hole 23 for cooperating with the guide rod 22 is provided at one end of the positioning rod 10.

[0037] In this embodiment, by setting the guide rod 22 and the guide hole 23, when the transmission rod 14 moves and squeezes the inclined part of the inner wall of the transmission groove 13, the movement of the positioning rod 10 and the transmission block 12 can be limited to only move along the trajectories of the guide rod 22 and the guide hole 23.

[0038] Preferably, the inner wall of the transmission groove 13 is in a slope shape.

[0039] In this embodiment, by setting the inner wall of the transmission groove 13 to be in a slope shape, when the transmission rod 14 moves, the surface of the transmission rod 14 squeezes the inclined part of the inner wall of the transmission groove 13, so that the transmission block 12 and the positioning rod 10 move, playing a transmission role.

[0040] Embodiment Two:

[0041] On the basis of the first embodiment, the positioning mechanism in this embodiment can quickly position the water inlet pipe interface 2 and the water inlet pipe body 3, but it ignores the sealing problem, which may cause leakage. In this application, the sealing mechanism includes an insertion pipe 17 fixedly connected to one end of the water inlet pipe body 3. Four sealing rings 18 are sleeved on the surface of the insertion pipe 17. Four bumps 19 are fixedly connected to one side of the sealing ring 18, and a groove 20 for cooperating with the bump 19 is formed on the other side of the sealing ring 18.

[0042] In this embodiment, considering that the positioning mechanism can quickly position the water inlet pipe interface 2 and the water inlet pipe body 3, but it ignores the sealing problem, which may cause leakage. Therefore, by setting the sealing mechanism, when the positioning mechanism connects and positions the water inlet pipe interface 2 and the water inlet pipe body 3, the insertion pipe 17 will enter the inside of the first positioning ring 4. At the same time, the four sealing rings 18 on the surface of the insertion pipe 17 will be in close contact with the inner wall of the first positioning ring 4, achieving a four-layer sealing effect. At the same time, the sealing rings 18 are connected through the bumps 19 and the grooves 20, which is convenient for replacing the sealing rings 18, thereby effectively improving the sealing performance after the connection of the water inlet pipe interface 2 and the water inlet pipe body 3;

[0043] It solves the problem that considering that the positioning mechanism can quickly position the water inlet pipe interface 2 and the water inlet pipe body 3, but it ignores the sealing problem, which may cause leakage.

[0044] Preferably, the material of the sealing ring 18 is rubber, and its outer surface contacts the inner wall of the first positioning ring 4.

[0045] In this embodiment, by setting the sealing ring 18, the material of the sealing ring 18 can be set as rubber. By contacting the outer surface of the sealing ring 18 with the inner wall of the first positioning ring 4, the sealing performance is effectively improved, and leakage is avoided.

[0046] Preferably, one end of the bump 19 is arc-shaped.

[0047] In this embodiment, by setting the bump 19, one end of the bump 19 is arc-shaped, so that the bump 19 can easily enter the groove 20 with a diameter smaller than that of the bump 19, expand the groove 20, and thus improve the connection stability between the sealing rings 18.

[0048] Working principle: The user drives the U-shaped block 16 and the transmission rod 14 to move by pushing two pressing blocks 15. When the transmission block 12 moves, the hypotenuse part of the inner wall of the transmission groove 13 will be extruded on its surface, thereby driving the transmission block 12 and the positioning rod 10 to move along the trajectories of the guide rod 22 and the guide hole 23, so that the positioning rod 10 retracts into the interior of the housing 6. Then, after aligning the positions of the limiting block 8 and the limiting groove 9, the first positioning ring 4 and the second positioning ring 5 are docked, so that the limiting block 8 enters the interior of the limiting groove 9. Then, the pressing block 15 is released, and the elastic force generated by the spring 21 will push the positioning rod 10 into the positioning hole 11 to complete the positioning of the limiting block 8, and further complete the connection between the water inlet pipe interface 2 and the water inlet pipe body 3, which plays a role in facilitating the connection between the water inlet pipe interface 2 and the water inlet pipe body 3;

[0049] While the positioning mechanism positions the connection between the water inlet pipe interface 2 and the water inlet pipe body 3, the insertion pipe 17 will enter the interior of the first positioning ring 4. At the same time, the four sealing rings 18 on the surface of the insertion pipe 17 will be in close contact with the inner wall of the first positioning ring 4 to achieve a four-layer sealing effect. At the same time, the sealing rings 18 are connected through the bumps 19 and the grooves 20, which can facilitate the replacement of the sealing rings 18, thereby effectively improving the sealing performance after the connection between the water inlet pipe interface 2 and the water inlet pipe body 3.

[0050] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A water inlet pipe interface for a direct injection engine, comprising an engine water inlet and outlet pipe seat (1), a water inlet pipe interface (2) and a water inlet pipe body (3). The water inlet pipe interface (2) is fixedly communicated with one side of the engine water inlet and outlet pipe seat (1), and the water inlet pipe body (3) is arranged on one side of the water inlet pipe interface (2), characterized in that: One side of the water inlet pipe interface (2) is fixedly connected with a first positioning ring (4), one side of the water inlet pipe body (3) is fixedly connected with a second positioning ring (5), both sides of the first positioning ring (4) are fixedly connected with a housing (6), both sides of the second positioning ring (5) are fixedly connected with mating blocks (7) at opposite positions of the housing (6), one side of the mating block (7) is fixedly connected with a limiting block (8), one side of the housing (6) is provided with a limiting groove (9) for use in cooperation with the limiting block (8), a positioning mechanism is arranged inside the housing (6), and a sealing mechanism is arranged inside the first positioning ring (4); The positioning mechanism includes a positioning rod (10) arranged inside the housing (6), one end of the positioning rod (10) penetrates into the limiting groove (9), a positioning hole (11) for use in cooperation with the positioning rod (10) is opened on one side of the limiting block (8), both the top and bottom of the positioning rod (10) are fixedly connected with transmission blocks (12), a transmission groove (13) is opened on one side of the transmission block (12), a transmission rod (14) is arranged inside the transmission groove (13), pressing blocks (15) are arranged at both the top and bottom of the housing (6), one side of the pressing block (15) close to the housing (6) is fixedly connected with a U-shaped block (16), one side of the U-shaped block (16) penetrates into the housing (6), and one end of the transmission rod (14) is fixedly connected with the inner wall of the U-shaped block (16).

2. The inlet pipe interface of a direct injection engine according to claim 1, characterized in that: The sealing mechanism includes an insertion pipe (17) fixedly connected to one end of the water inlet pipe body (3), four sealing rings (18) are sleeved on the surface of the insertion pipe (17), four convex blocks (19) are fixedly connected to one side of the sealing ring (18), and a groove (20) for use in cooperation with the convex block (19) is opened on the other side of the sealing ring (18).

3. The inlet water pipe interface of a direct injection engine according to claim 2, characterized in that: The sealing ring (18) is made of rubber, and its outer surface contacts the inner wall of the first positioning ring (4).

4. The inlet water pipe interface of a direct injection engine according to claim 2, characterized in that: One end of the convex block (19) is arc-shaped.

5. The inlet water pipe interface of a direct injection engine according to claim 1, characterized in that: Two springs (21) are fixedly connected to one end of the positioning rod (10), and one end of the spring (21) is fixedly connected to the inner wall of the housing (6).

6. The intake water pipe interface of a direct injection engine according to claim 1, characterized in that: A guide rod (22) is fixedly connected to the inner wall of the housing (6), and a guide hole (23) for use in cooperation with the guide rod (22) is opened at one end of the positioning rod (10).

7. The intake water pipe interface of a direct injection engine according to claim 1, characterized in that: The inner wall of the transmission groove (13) is in a slope shape.

Images