Sensor connector of oil sprayer

Abstract

The utility model relates to the technical field of oil sprayers, and discloses a sensor connector of an oil sprayer, which comprises a sensor connector body, a mounting column for fixing is arranged at the axial position of the bottom of the sensor connector body, and an electric signal connector for plugging is arranged at the bottom of the mounting column; the top of the engine shell is provided with a connecting part for mounting, the connecting part internally comprises a mounting hole, the mounting hole is internally provided with a mounting part for fixing, and the mounting part internally comprises a fastening rod, and a turntable, a bevel gear ring, a bevel gear and an adjusting screw rod which are used for adjusting the position of the fastening rod; mounting the assembly; and a sealing assembly. According to the utility model, through the arrangement of the mounting assembly and the mounting part, the mounting column can be mounted and connected only by driving the turntable to rotate through the limiting rod, and the insertion effect of the plurality of fastening rods can bear the stress on the joint in a plurality of directions, so that the connection stability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fuel injector technical field especially relates to a sensor connector of fuel injector. BACKGROUND

[0002] The sensor connector (also known as plug or connector) of fuel injector is an important component connecting fuel injector and engine control unit (ECU) or other sensors; the design, size and pin configuration of these connectors may vary for different automobile manufacturers, vehicle models and engine models.

[0003] The existing sensor connector is mostly fixed by bolts when installing with the engine shell, and the bolts need to be fixed by the staff one by one during installation and disassembly, which is very inconvenient and affects the convenience of connection, and the bolts are difficult to bear stress in different directions when subjected to external force, and are prone to shaking when subjected to stress that is different from the axial direction, affecting the stability of connection.

[0004] Therefore, we propose a sensor connector of fuel injector. CONTENT OF UTILITY MODEL

[0005] The utility model mainly solves the technical problem of the convenience and stability of sensor connector installation, and provides a sensor connector of fuel injector.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme, a sensor connector of fuel injector, comprising:

[0007] The sensor connector body is provided with a fixing column at the bottom axial position for fixing, and the bottom of the fixing column is provided with an electrical signal connector for plug-in connection;

[0008] The engine shell is provided with a connecting part at the top for installation, the connecting part includes a mounting hole, and the mounting hole is provided with a mounting part for fixing, the mounting part includes a fastening rod and a turntable, a bevel gear ring, a bevel gear and an adjusting screw for adjusting the position of the fastening rod;

[0009] The mounting assembly is arranged on the outer wall of the fixing column, and the mounting assembly includes a fastening groove;

[0010] The sealing assembly is arranged on the outer wall of the fixing column at the top of the fastening groove, and the sealing assembly includes a gas cavity, a communication groove and an elastic block in communication.

[0011] Further, the mounting hole is arranged at the top of the engine shell, and the mounting column and the electrical signal connector are matched, the top of the engine shell is arranged with a ring-shaped rotating groove at the same axial position, the rotating disc is rotationally connected to the inner wall of the rotating groove, a plurality of first sliding holes arranged in a circle are arranged in the adjusting groove, the fastening rod is slidingly connected to the inner wall of the first sliding hole, and the fastening groove is arranged in a circle on the outer wall of the mounting column and matched with the fastening rod.

[0012] Further, the adjusting groove is arranged with a sliding seat at the axial position of the first sliding hole, a rectangular sliding groove is arranged in the inner wall of the sliding seat, the sliding block is slidingly connected to the inner wall of the rectangular sliding groove, the fastening rod is fixedly connected to one end of the sliding block, the bevel gear is rotationally connected to the axial position of one end of the sliding seat, the adjusting screw rod is fixedly connected to the axial position of the bevel gear, and the adjusting screw rod is rotationally connected to the inner wall of the sliding seat and threadedly connected to the inner wall of the fastening rod.

[0013] Further, the rotating disc is fixedly connected with a bevel gear ring, the bevel gear ring is rotationally connected to the inner wall of the adjusting groove, and the bevel gear is engaged with the outer wall of the bevel gear ring.

[0014] Further, the elastic block is fixedly connected to the outer wall of the mounting column, the cavity is arranged in the elastic block, the air cavity is arranged in a circle on the outer wall of the mounting column and communicates with the elastic block, and the communication groove is communicated with the fastening groove and the air cavity at two ends.

[0015] Further, the fastening groove is slidingly connected with an extrusion plate, the extrusion plate is fixedly connected with a connecting rod at one end of the axial position, the connecting rod is fixedly connected with a piston plate at the other end of the axial position, the piston plate is slidingly connected to the inner wall of the communication groove, and the opposite wall surfaces of the extrusion plate and the fastening groove are fixedly connected with return springs, and the return springs are sleeved on the outer wall of the connecting rod.

[0016] Further, the rotating disc is fixedly connected with a bevel gear ring, the bevel gear ring is rotationally connected to the inner wall of the adjusting groove, and the bevel gear is engaged with the outer wall of the bevel gear ring.

[0017] Beneficial effects

[0018] The utility model provides a sensor connector of oil sprayer. Have the following beneficial effects:

[0019] (1), the sensor connector of this oil sprayer, through the installation component and installation department that set up, only need to drive the rotating disc rotation through the limiting rod and can install and connect to the mounting column, and the plug -in effect of multiple fastening rods can bear the stress received in multiple directions to the connecting place, improve the stability of connection.

[0020] (2) The sensor connector of this injector, through the set sealing component, uses the pressure of inert gas to drive the elastic block to expand, and the extrusion stress causes the elastic block to deform to fill the gap between the mounting post and the mounting hole, thereby improving the sealing performance of the connection and preventing external water mist from corroding the electrical signal connector and affecting the service life of the sensor connector body.

[0021] (3) The sensor connector of this injector, through the setting of the limiting rod, can be locked in the limiting hole under the fixing block when the limiting rod is lifted, and can act as a crank to facilitate the adjustment of the turntable. When the limiting rod is inserted into the limiting hole on the engine housing, the rotation of the turntable can be limited to avoid the turntable from deflecting under external force, causing the fastening rod to shift in the fastening groove and affecting the stability of the connection. Attached Figure Description

[0022] Figure 1 This is the front view of the present utility model;

[0023] Figure 2 This is a partial sectional view of the engine casing of this utility model;

[0024] Figure 3 This utility model Figure 2 Enlarged view of part A;

[0025] Figure 4 This is a sectional view of the mounting column of this utility model;

[0026] Figure 5 This utility model Figure 4 Enlarged view of part B.

[0027] Legend: 1. Sensor connector body; 2. Mounting post; 3. Electrical signal connector; 4. Engine housing; 5. Mounting hole; 6. Turntable; 7. Limiting hole; 8. Fixing block; 9. Limiting rod; 10. Bevel gear ring; 11. Bevel gear; 12. Sliding seat; 13. Sliding block; 14. Fastening rod; 15. Adjusting screw; 16. Elastic block; 17. Fastening groove; 18. Air chamber; 19. Connecting groove; 20. Extrusion plate; 21. Connecting rod; 22. Piston plate; 23. Return spring. Detailed Implementation

[0028] Example 1: A sensor connector for a fuel injector, such as Figure 1 , Figure 2 and Figure 4 As shown, including

[0029] The sensor connector body 1 has a mounting post 2 for fixing at the bottom axial position, an electrical signal connector 3 for plugging in at the bottom of the mounting post 2, and a wire for conducting electrical signals at the top of the sensor connector body 1.

[0030] The engine shell 4 is provided with a connecting part for mounting at the top of the engine shell 4, the connecting part comprises a mounting hole 5, and the mounting hole 5 is provided with a mounting part for fixing, the mounting part comprises a fastening rod 14, a rotating disc 6 for adjusting the position of the fastening rod 14, a bevel gear ring 10, a bevel gear 11 and an adjusting screw rod 15.

[0031] The mounting assembly is arranged at the outer wall of the mounting column 2, and the mounting assembly comprises a fastening groove 17.

[0032] The sealing assembly is arranged at the outer wall of the mounting column 2 at the top of the fastening groove 17, and the sealing assembly comprises a gas cavity 18, a communication groove 19 and an elastic block 16 which are connected in communication.

[0033] As shown in Figure 2 , Figure 3 and Figure 4 , the mounting hole 5 is arranged at the top of the engine shell 4 and is matched with the mounting column 2 and the electrical signal connector 3, the top of the engine shell 4 is arranged with an annular rotating groove at the same axis position, the rotating groove is arranged with an annular adjusting groove, the rotating disc 6 is rotationally connected to the inner wall of the rotating groove, the adjusting groove is arranged with a plurality of circumferentially arranged first sliding holes in the vertical axial inner wall, the fastening rod 14 is slidingly connected to the inner wall of the first sliding hole, the fastening groove 17 is circumferentially arranged on the outer wall of the mounting column 2, and the fastening rod 14 is matched with the fastening groove 17.

[0034] The sliding seat 12 is fixedly connected to the inner wall of the adjusting groove at the axis position of the first sliding hole, the sliding seat 12 is arranged with a rectangular sliding groove in the inner wall, the sliding block 13 is slidingly connected to the inner wall of the rectangular sliding groove, the fastening rod 14 is fixedly connected to one end of the sliding block 13, the bevel gear 11 is rotationally connected to the axial position of one end of the sliding seat 12, the adjusting screw rod 15 is fixedly connected to the axial position of the bevel gear 11, and the adjusting screw rod 15 is rotationally connected to the inner wall of the sliding seat 12 and is threadedly connected to the inner wall of the fastening rod 14.

[0035] The rotating disc 6 is fixedly connected to the bevel gear ring 10 at the bottom, the bevel gear ring 10 is rotationally connected to the inner wall of the adjusting groove, and the bevel gear 11 is engaged with the outer wall of the bevel gear ring 10.

[0036] In summary, by arranging the mounting assembly and the mounting part, the mounting column 2 can be mounted and connected by rotating the rotating disc 6 driven by the limiting rod 9, and the insertion effect of the plurality of fastening rods 14 can bear the stress received by the connection in multiple directions, thereby improving the stability of the connection.

[0037] As shown in Figure 4 and Figure 5As shown, the elastic block 16 is fixedly connected to the outer wall of the mounting column 2, a cavity is formed in the elastic block 16, and the air cavity 18 is annularly formed in the outer wall of the mounting column 2 and communicates with the elastic block 16, the communication groove 19 communicates with the fastening groove 17 and the air cavity 18 at both ends, and the communication groove 19 is filled with inert gas.

[0038] The extrusion plate 20 is slidably connected to the inner wall of the fastening groove 17, one end of the extrusion plate 20 is fixedly connected to the connecting rod 21 in the axial position, the other end of the connecting rod 21 is fixedly connected to the piston plate 22 in the axial position, the piston plate 22 is slidably connected to the inner wall of the communication groove 19, and the opposite wall surfaces of the extrusion plate 20 and the fastening groove 17 are fixedly connected with the return spring 23, and the return spring 23 is sleeved on the outer wall of the connecting rod 21.

[0039] Through the sealing assembly, the inert gas pressure drives the elastic block 16 to expand, and the extrusion stress drives the elastic block 16 to deform to fill the gap between the mounting column 2 and the mounting hole 5, so as to improve the sealing performance of the connection, avoid the corrosion of external water mist to the electrical signal connector 3, and affect the service life of the sensor connector body 1.

[0040] As shown in the figure, Figure 2 The outer wall of the rotating disc 6 is fixedly connected with the fixed block 8, the second sliding hole is formed in the fixed block 8, the limiting rod 9 is slidably connected to the inner wall of the second sliding hole, a plurality of limiting holes 7 are formed in the engine shell 4 in a circumferential arrangement around the axis of the mounting hole 5, the same limiting holes 7 are formed in the bottom of the fixed block 8, and the fixing plates are arranged at both ends of the limiting rod 9. The fixing plate at the bottom is matched with the limiting hole 7.

[0041] Through the limiting rod 9, when the limiting rod 9 is lifted, it can be clamped in the limiting hole 7 below the fixed block 8, acting as a crank, which is convenient for adjusting the rotating disc 6. When the limiting rod 9 is inserted into the limiting hole 7 on the engine shell 4, the rotation of the rotating disc 6 can be limited, avoiding the deflection of the rotating disc 6 under external force, causing the fastening rod 14 to deviate in the fastening groove 17, and affecting the stability of the connection.

[0042] The utility model discloses a working principle: when need to install sensor joint body 1, install column 2 and telecommunication signal joint 3 are inserted into the installation hole 5 at this moment, limit rod 9 is pulled out at this moment, rotates limit rod 9. Limit rod 9 can drive the rotating disc 6 and the bevel gear ring 10 on it to rotate through fixed block 8, the bevel gear ring 10 can drive the meshing bevel gear 11 on it to rotate, and the bevel gear 11 drives adjusting screw rod 15 to rotate, and adjusting screw rod 15 drives the sliding block 13 on fastening rod 14 to slide in sliding seat 12 and inserts into fastening groove 17 and fixes installation column 2 when need to disassemble, only need to drive rotating disc 6 to reverse through limit rod 9, when fastening rod 14 inserts into fastening groove 17, can extrude extrusion plate 20 in it, and extrusion plate 20 is driven to retract reset spring 23 by extruding, can drive piston plate 22 in intercommunication groove 19 through connecting rod 21 and move, and extrude inert gas in intercommunication groove 19, and gas can fill elastic block 16 through air cavity 18, and drive elastic block 16 to swell, and extrude the inner wall of installation hole 5, and through the stress deformation of extrusion, fill and seal the gap between installation column 2 and installation hole 5.

[0043] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The skilled person in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model. These changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A sensor connection for an oil injector, characterized by Include: Sensor joint body (1), sensor joint body (1) bottom axial position is provided with a fixed mounting column (2) for, the bottom of the mounting column (2) is provided with an electrical signal connector (3) for splicing; Engine housing (4), the top of the engine housing (4) is provided with a connecting part for mounting, the connecting part includes a mounting hole (5) therein, the mounting hole (5) is provided with a mounting part for fixing, the mounting part includes a fastening rod (14) and a turntable (6) for adjusting the position of the fastening rod (14), a bevel gear ring (10), a bevel gear (11) and an adjusting screw (15); The installation assembly is provided on the outer wall of the mounting column (2), and the installation assembly includes a fastening groove (17) therein; The sealing assembly is provided on the outer wall of the mounting column (2) at the top of the fastening groove (17), and the sealing assembly includes a gas cavity (18), a communication groove (19) and an elastic block (16) connected in communication.

2. The sensor connection of an oil injector according to claim 1, characterized in that: The mounting hole (5) is opened at the top of the engine housing (4) and is adapted to the mounting column (2) and the electrical signal connector (3), and the top of the engine housing (4) is provided with an annular rotating groove at the same axial position, the rotating groove is provided with an annular adjusting groove, the rotating disc (6) is rotatably connected to the inner wall of the rotating groove, and a plurality of first sliding holes are arranged in the circumferential direction on the vertical axial inner wall of the adjusting groove, the fastening rod (14) is slidably connected to the inner wall of the first sliding hole, and the fastening groove (17) is arranged in the circumferential direction on the outer wall of the mounting column (2) and is adapted to the fastening rod (14).

3. The sensor connection of an oil injector according to claim 2, characterized in that: The sliding seat (12) is fixedly connected to the inner wall of the adjusting groove at the axial position of the first sliding hole, the rectangular sliding groove is opened in the inner wall of the sliding seat (12), the sliding block (13) is slidably connected to the inner wall of the rectangular sliding groove, the fastening rod (14) is fixedly connected to one end of the sliding block (13), the bevel gear (11) is rotatably connected to the axial position of one end of the sliding seat (12), the adjusting screw (15) is fixedly connected to the axial position of the bevel gear (11), and the adjusting screw (15) is rotatably connected to the inner wall of the sliding seat (12) and is threadedly connected to the inner wall of the fastening rod (14).

4. The sensor connection of an oil injector according to claim 3, characterized in that: The bottom of the rotating disc (6) is fixedly connected with the bevel gear ring (10), the bevel gear ring (10) is rotatably connected to the inner wall of the adjusting groove, and the bevel gear (11) is engaged with the outer wall of the bevel gear ring (10).

5. The sensor fitting of an oil injector according to claim 1, characterized in that: The elastic block (16) is fixedly connected to the outer wall of the mounting column (2), the cavity is opened in the elastic block (16), the gas cavity (18) is annularly arranged on the outer wall of the mounting column (2) and is in communication with the elastic block (16), and the communication groove (19) is in communication with the fastening groove (17) and the gas cavity (18) at both ends.

6. The sensor connection of an oil injector according to claim 5, characterized in that: The extrusion plate (20) is slidably connected to the inner wall of the fastening groove (17), one end of the extrusion plate (20) is fixedly connected with the connecting rod (21), the other end of the connecting rod (21) is fixedly connected with the piston plate (22), the piston plate (22) is slidably connected to the inner wall of the communication groove (19), and the opposite wall surfaces of the extrusion plate (20) and the fastening groove (17) are fixedly connected with the reset spring (23), and the reset spring (23) is sleeved on the outer wall of the connecting rod (21).

7. The sensor fitting of an oil injector according to claim 1, characterized in that: The outer wall of the rotating disc (6) is fixedly connected with a fixed block (8), a second sliding hole is formed in the fixed block (8), a limiting rod (9) is slidingly connected to the inner wall of the second sliding hole, a plurality of limiting holes (7) arranged in a circle are formed in the top of the engine shell (4) with the axis of the mounting hole (5) as the center, the same limiting holes (7) are formed in the bottom of the fixed block (8), and the fixing plates at both ends of the limiting rod (9) are adapted to the limiting holes (7) at the bottom.

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