Sealing structure of distributor

Abstract

The utility model discloses a sealing structure of a distributor. The sealing structure comprises a distribution box, a sealing mechanism and a fixing mechanism, an oil outlet pipe is arranged at an oil outlet in the rear end of the distribution box, and an oil inlet pipe is arranged at an oil inlet in the front end of the distribution box; the sealing mechanism comprises an inverted-T-shaped groove, a connecting pipe, an inverted-T-shaped inserting opening and a sealing gasket, the connecting pipe is arranged at the front end of the oil inlet pipe, the inverted-T-shaped groove is formed in the oil inlet pipe, the inverted-T-shaped inserting opening is formed in the rear end of the connecting pipe, and the sealing gasket is arranged between the inverted-T-shaped groove and the inverted-T-shaped inserting opening; the fixing mechanism is arranged outside the connecting pipe, the fixing mechanism and the connecting pipe are installed in a matched mode, the inverted-T-shaped groove and the inverted-T-shaped inserting opening are installed in a matched mode, and the sealing mechanism further comprises a thread and a thread groove. Joints of the distributor are not easy to loosen, and oil leakage is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing structures of distributors, in particular to a sealing structure of a distributor. Background Art

[0002] The distributor is installed on the intake manifold at the injector. It is to ensure that sufficient fuel flow is provided and evenly distributed to the injectors of each cylinder, and at the same time realize the installation and connection of each injector. The fuel distributor is also called the fuel rail or fuel rail. It is a component of the air-fuel subsystem in the electronic fuel injection system. It is a mechanical device;

[0003] In some existing distributors, the interface is connected to the external pipeline through a quick connector, and one end of the quick connector is connected to the interface through a thread;

[0004] The traditional distributor has the following problems: during the operation of the engine, affected by the vibration of the engine, the threaded connection between the quick connector and the interface is easy to loosen, which can easily lead to oil leakage. For this reason, we propose a sealing structure for the distributor. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the existing defects and provide a sealing structure of a distributor to achieve better sealing of the distributor and more firmly fix the connecting pipe. During the operation of the engine, the distributor connection is not easy to loosen, thus avoiding oil leakage, and can effectively solve the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sealing structure of a dispenser, comprising a dispensing box, a sealing mechanism and a fixing mechanism;

[0007] Distribution box: an oil outlet is provided at the rear end of the distribution box, and an oil inlet is provided at the front end of the distribution box;

[0008] Sealing mechanism: it includes a convex groove, a connecting pipe, a convex socket and a sealing gasket, the front end of the oil inlet pipe is provided with a connecting pipe, the inside of the oil inlet pipe is provided with a convex groove, the rear end of the connecting pipe is provided with a convex socket, and a sealing gasket is provided between the convex groove and the convex socket;

[0009] Fixing mechanism: It is arranged on the outside of the connecting pipe. The fixing mechanism is installed in conjunction with the connecting pipe to achieve better sealing of the distributor and more firmly fix the connecting pipe. During the operation of the engine, the distributor connection is not easy to loosen, avoiding oil leakage.

[0010] Furthermore, the convex groove and the convex socket are installed in coordination, which facilitates installation.

[0011] Furthermore, the sealing mechanism also includes a thread and a thread groove. The outside of the oil inlet pipe is provided with a thread, and the inside of the connecting pipe is provided with a thread groove. The thread and the thread groove are threadedly connected to achieve locking.

[0012] Furthermore, the sealing mechanism also includes a gasket, a threaded hole and a fixing screw. The gasket is arranged at the rear end edge of the connecting tube. The front side surface of the gasket and the front end of the distribution box are respectively provided with evenly distributed threaded holes. The threaded holes on the front side surface of the gasket correspond to the threaded holes at the front end of the distribution box in a front-to-back position. The interiors of the front and rear adjacent threaded holes are respectively threadedly connected with fixing screws to provide fixation.

[0013] Furthermore, the fixing mechanism includes an annular clamp and a pin, and the annular clamps are respectively sleeved on the outside of the connecting pipe, and the lower ends of the two annular clamps are rotatably connected by the pin to achieve fixation.

[0014] Furthermore, the fixing mechanism also includes a vertical plate, a bolt and a nut, the upper end of the annular hoop is respectively provided with a vertical plate, and the two vertical plates are connected by bolts symmetrically arranged in front and back. The upper ends of the bolts are respectively threadedly connected with nuts for easy fixing.

[0015] Furthermore, the annular clamps are all elastic steel band clamps, which are easy to fix.

[0016] Compared with the prior art, the beneficial effects of the utility model are: the sealing structure of the dispenser has the following advantages:

[0017] 1. When installing the external oil inlet pipe in the oil distribution, first align the oil inlet pipe with the connecting pipe, then place the sealing gasket on the edge of the convex groove inside the oil inlet pipe, and then insert the convex socket into the convex groove, then rotate the connecting pipe to make the threaded groove inside the connecting pipe and the threaded groove outside the oil inlet pipe be connected, the convex socket will rotate into the convex groove, so that the sealing gasket is squeezed between the convex groove and the convex socket to achieve sealing. When the connecting pipe rotates, it will drive the gasket to rotate. The gasket rotates to align the threaded hole on the gasket with the threaded hole at the front end of the distribution box, and then insert the fixing screws into the corresponding threaded holes respectively to fix the connecting pipe and achieve better sealing of the distributor.

[0018] 2. Then put the two annular clamps on the outside of the connecting pipe, then align the two vertical plates, then insert the two symmetrical bolts through the spiral holes of the two vertical plates, and finally rotate the nuts on the bolts respectively to fix the connecting pipe, so that the distributor has better sealing and the connecting pipe is fixed more firmly. During the operation of the engine, the distributor connection is not easy to loosen, avoiding oil leakage. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0021] Figure 3 This is an enlarged structural diagram of point A of the utility model.

[0022] In the figure: 1 distribution box, 2 oil outlet pipe, 3 oil inlet pipe, 4 sealing mechanism, 41 convex groove, 42 thread, 43 connecting pipe, 44 convex socket, 45 thread groove, 46 sealing gasket, 47 gasket, 48 threaded hole, 49 fixing screw, 5 fixing mechanism, 51 annular clamp, 52 pin shaft, 53 vertical plate, 54 bolt, 55 nut. 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] See also Figure 1-3 , This embodiment provides a technical solution: a sealing structure of a dispenser, including a dispensing box 1, a sealing mechanism 4 and a fixing mechanism 5;

[0025] Distribution box 1: an oil outlet pipe 2 is provided at the rear end oil outlet, and an oil inlet pipe 3 is provided at the front end oil inlet of the distribution box 1;

[0026] Sealing mechanism 4: It includes a convex groove 41, a connecting pipe 43, a convex socket 44 and a sealing gasket 46. The front end of the oil inlet pipe 3 is provided with a connecting pipe 43, the inside of the oil inlet pipe 3 is provided with a convex groove 41, the rear end of the connecting pipe 43 is provided with a convex socket 44, a sealing gasket 46 is provided between the convex groove 41 and the convex socket 44, and the convex groove 41 and the convex socket 44 are installed in coordination. The sealing mechanism 4 also includes a thread 42 and a thread groove 45. The outside of the oil inlet pipe 3 is provided with a thread 42, the inside of the connecting pipe 43 is provided with a thread groove 45, and the thread 42 is threadedly connected with the thread groove 45. The sealing mechanism 4 also includes a gasket 47, a threaded hole 48 and a fixing screw 49. The gasket 47 is arranged at the rear end edge of the connecting pipe 43, and the front side surface of the gasket 47 and the front end of the distribution box 1 are respectively provided with evenly distributed threaded holes 48, and the threaded holes 48 on the front side surface of the gasket 47 are aligned with the threaded holes 48 on the front end of the distribution box 1. Corresponding to the front and rear positions, the interiors of the front and rear adjacent threaded holes 48 are respectively threadedly connected with fixing screws 49. When installing the external oil inlet pipe in the oil distribution, first align the oil inlet pipe 3 with the connecting pipe 43, then place the sealing gasket 46 at the edge of the convex groove 41 inside the oil inlet pipe 3, and then insert the convex socket 44 into the convex groove 41, and then rotate the connecting pipe 43 so that the threaded groove 45 inside the connecting pipe 43 is threadedly connected with the thread 42 outside the oil inlet pipe 3, and the convex socket 44 will rotate into the convex groove 41, so that the sealing gasket 46 is squeezed between the convex groove 41 and the convex socket 44 to achieve sealing. When the connecting pipe 43 rotates, it will drive the gasket 47 to rotate. The gasket 47 rotates so that the threaded hole 48 on the gasket 47 is aligned with the threaded hole 48 at the front end of the distribution box 1, and then the fixing screws 49 are respectively inserted into the corresponding threaded holes 48 to achieve the fixation of the connecting pipe 43;

[0027] Fixing mechanism 5: It is arranged outside the connecting pipe 43. The fixing mechanism 5 is installed in cooperation with the connecting pipe 43. The fixing mechanism 5 includes an annular clamp 51 and a pin 52. The annular clamp 51 is respectively sleeved outside the connecting pipe 43. The lower ends of the two annular clamps 51 are rotatably connected through the pin 52. The fixing mechanism 5 also includes a vertical plate 53, a bolt 54 and a nut 55. The upper ends of the annular clamp 51 are respectively provided with vertical plates 53. The two vertical plates 53 are connected by bolts 54 that are symmetrical in front and back. The upper ends of the bolts 54 are respectively threaded with nuts 55. The annular clamps 51 are all elastic steel band clamps. Then, the two annular clamps 51 are sleeved outside the connecting pipe 43, and then the two vertical plates 53 are aligned. Then, the two symmetrical bolts 54 are inserted through the spiral holes of the two vertical plates 53, and finally, the nuts 55 are respectively rotated on the bolts 54 to fix the connecting pipe 43 and make the distributor more sealed.

[0028] The working principle of the sealing structure of the distributor provided by the utility model is as follows: when installing the external oil inlet pipe in the oil distribution, first align the oil inlet pipe 3 with the connecting pipe 43, then place the sealing gasket 46 at the edge of the convex groove 41 inside the oil inlet pipe 3, and then insert the convex socket 44 into the convex groove 41, and then rotate the connecting pipe 43 to make the thread groove 45 inside the connecting pipe 43 and the thread 42 outside the oil inlet pipe 3 threadedly connected, and the convex socket 44 will rotate into the convex groove 41, so that the sealing gasket 46 is squeezed between the convex groove 41 and the convex socket 44, so as to realize Now the seal is achieved. When the connecting pipe 43 rotates, the gasket 47 is driven to rotate. The gasket 47 rotates to align the threaded hole 48 on the gasket 47 with the threaded hole 48 at the front end of the distribution box 1. Then, the fixing screws 49 are respectively inserted into the corresponding threaded holes 48 to fix the connecting pipe 43. Then, the two annular clamps 51 are put on the outside of the connecting pipe 43. Then, the two vertical plates 53 are aligned. Then, two symmetrical bolts 54 are inserted through the spiral holes of the two vertical plates 53. Finally, the nuts 55 are respectively rotated on the bolts 54 to fix the connecting pipe 43 and make the distributor more sealed.

[0029] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A sealing structure of a dispenser, characterized in that: It comprises a distribution box (1), a sealing mechanism (4) and a fixing mechanism (5); The distribution box (1) is provided with an oil outlet pipe (2) at the rear end oil outlet, and an oil inlet pipe (3) at the front end oil inlet of the distribution box (1); The sealing mechanism (4) comprises a convex groove (41), a connecting pipe (43), a convex socket (44) and a sealing gasket (46). The front end of the oil inlet pipe (3) is provided with a connecting pipe (43), the inside of the oil inlet pipe (3) is provided with a convex groove (41), the rear end of the connecting pipe (43) is provided with a convex socket (44), and a sealing gasket (46) is provided between the convex groove (41) and the convex socket (44). The fixing mechanism (5) is arranged outside the connecting pipe (43), and the fixing mechanism (5) is installed in coordination with the connecting pipe (43).

2. The sealing structure of a dispenser according to claim 1, characterized in that: The convex groove (41) is installed in cooperation with the convex socket (44).

3. The sealing structure of a dispenser according to claim 2, characterized in that: The sealing mechanism (4) further comprises a thread (42) and a thread groove (45); the outside of the oil inlet pipe (3) is provided with a thread (42); the inside of the connecting pipe (43) is provided with a thread groove (45); the thread (42) and the thread groove (45) are threadedly connected.

4. The sealing structure of a dispenser according to claim 3, characterized in that: The sealing mechanism (4) further comprises a gasket (47), a threaded hole (48) and a fixing screw (49); the gasket (47) is arranged at the rear end edge of the connecting tube (43); the front side surface of the gasket (47) and the front end of the distribution box (1) are respectively provided with evenly distributed threaded holes (48); the threaded holes (48) on the front side surface of the gasket (47) and the threaded holes (48) on the front end of the distribution box (1) correspond to each other in front and back positions; the interiors of the front and rear adjacent threaded holes (48) are respectively threadedly connected with fixing screws (49).

5. The sealing structure of a dispenser according to claim 4, characterized in that: The fixing mechanism (5) comprises an annular clamp (51) and a pin (52). The annular clamps (51) are respectively sleeved on the outside of the connecting pipe (43). The lower ends of the two annular clamps (51) are rotatably connected via the pin (52).

6. The sealing structure of a dispenser according to claim 5, characterized in that: The fixing mechanism (5) further comprises a vertical plate (53), a bolt (54) and a nut (55); the upper ends of the annular clamp (51) are respectively provided with a vertical plate (53); the two vertical plates (53) are connected by bolts (54) symmetrically arranged in front and rear directions; the upper ends of the bolts (54) are respectively threadedly connected with nuts (55).

7. The sealing structure of a dispenser according to claim 5, characterized in that: The annular clamps (51) are all elastic steel band clamps.

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