Fuel injector connecting device for fuel surfboard

Abstract

The utility model relates to the technical field of fuel injector connection, in particular to a fuel injector connection device for a fuel surfboard, which comprises a connection seat, a through hole arranged in the connection seat, slots arranged on two sides in the through hole, a mounting rack fixedly mounted on the top of the connection seat, six mounting grooves arranged on the top of the mounting rack, and threaded holes arranged in the mounting grooves. A fuel injector body is slidably inserted into the mounting frame, six mounting blocks are arranged on the periphery of the outer wall of the fuel injector body, inserting strips are arranged on the two sides of the outer wall of the fuel injector body and inserted into the inserting grooves, and the mounting blocks are inserted into the mounting grooves to make extrusion contact with the rubber sheets. According to the anti-loosening oil injector, impact force and vibration brought to the oil injector body in the surfing process are greatly released through the rubber sealing ring and the rubber sheet, the contact area between the bolt and the surface of a part and the contact area between the nut and the surface of the part are increased through the upper flat washer and the lower flat washer, and therefore the anti-loosening effect is achieved, and the oil injector and an engine are firmly connected; the use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to fuel injector coupling technical field, especially fuel injector coupling device for fuel surfboard. BACKGROUND

[0002] Fuel injector is a kind of precision components, is widely used in internal combustion engine, especially in automobile diesel engine and some gasoline engine, its main role is to spray fuel into the combustion chamber of engine in mist, mixes with air and burns, to provide power, fuel injector is one of indispensable components in internal combustion engine, its accurate control and high efficiency fuel injection capacity have important role to improve the performance of engine and reduce emission.

[0003] In the use process of fuel surfboard, due to the heaving of water surface and the vibration of engine, fuel injector can be impacted and vibrated greatly, the impact and vibration can cause the coupling between fuel injector and engine to be loose, thereby affecting the fuel injection effect of engine. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcomings in prior art, and proposes fuel injector coupling device for fuel surfboard.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] Fuel injector coupling device for fuel surfboard, including coupling seat, the inside of coupling seat is provided with through hole, both sides in through hole are provided with insertion slot, coupling seat top is fixedly installed with mounting bracket, six installation slots are set up in the top of mounting bracket, threaded hole is set up in installation slot, rubber sheet is arranged in installation slot, the main body of fuel injector is slidably inserted in mounting bracket, six mounting blocks are arranged on the outer wall of fuel injector main body, insertion strip is arranged on the both sides of the outer wall of fuel injector main body, insertion strip is inserted into insertion slot, mounting block is inserted into installation slot and is in extrusion contact with rubber sheet, and is inserted into threaded hole in mounting bracket by bolt, then is fixed by nut;

[0007] The bottom of the coupling seat is fixedly installed with fuel injection sealing sleeve, and the bottom of the fuel injection sealing sleeve is paved with a rubber sealing ring.

[0008] In addition, preferably, six mounting holes are formed in the coupling seat.

[0009] In addition, preferably, upper flat washers and lower flat washers are arranged between the bolts and the nuts, the upper flat washers are in extrusion contact with the mounting blocks, and the lower flat washers are in extrusion contact with the nuts.

[0010] In addition, preferably, the mounting bracket is annular, the inner ring diameter of the mounting bracket is the same as the diameter of the through hole, and the diameter of the mounting bracket is adapted to the diameter of the main body of the fuel injector.

[0011] The utility model discloses the beneficial effect is:

[0012] In the utility model, through the rubber sealing ring and rubber sheet, the impact force and vibration brought to the oil atomizer main body in the surfing process are greatly released, the contact area of bolt and nut and part surface is increased through upper flat washer and lower flat washer to play the function of anti-loosening, so that the oil atomizer and engine are connected firmly, and the utility model is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The whole structure schematic of the oil atomizer connecting device for fuel surfing board is provided for the utility model Figure 1 ;

[0014] Figure 2 The whole structure schematic of the oil atomizer connecting device for fuel surfing board is provided for the utility model Figure 2 ;

[0015] Figure 3 The oil atomizer main body structure schematic of the oil atomizer connecting device for fuel surfing board is provided for the utility model;

[0016] Figure 4 The partial installation structure schematic of the oil atomizer connecting device for fuel surfing board is provided for the utility model;

[0017] Figure 5 The installation frame and connecting seat structure schematic of the oil atomizer connecting device for fuel surfing board is provided for the utility model.

[0018] In the drawing: 1 oil atomizer main body, 101 installation block, 102 insertion strip, 2 connecting seat, 21 through hole, 211 insertion slot, 3 installation frame, 31 installation slot, 311 threaded hole, 4 oil atomization sealing sleeve, 41 rubber sealing ring, 42 installation hole, 5 bolt, 6 upper flat washer, 7 lower flat washer, 8 nut, 9 rubber sheet. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0020] Reference Figures 1-5The fuel injector coupling device for fuel surfboards comprises a coupling seat 2, a through hole 21 is formed in the coupling seat 2, and a slot 211 is formed on both sides of the through hole 21; a mounting rack 3 is fixedly installed on the top of the coupling seat 2, six mounting grooves 31 are formed in the top of the mounting rack 3, and a threaded hole 311 is formed in the mounting groove 31; a rubber sheet 9 is arranged in the mounting groove 31; a fuel injector body 1 is slidably inserted into the mounting rack 3; six mounting blocks 101 are arranged on the outer wall of the fuel injector body 1; a plug strip 102 is arranged on both sides of the outer wall of the fuel injector body 1; the plug strip 102 is inserted into the slot 211; the mounting block 101 is inserted into the mounting groove 31 and is in extrusion contact with the rubber sheet 9; and the bolt 5 is inserted into the mounting rack 3 and the threaded hole 311, and then the nut 8 is fixed.

[0021] The bottom of the coupling seat 2 is fixedly installed with a fuel injection sealing sleeve 4, and a rubber sealing ring 41 is arranged on the bottom of the fuel injection sealing sleeve 4; when the coupling device is installed on the engine, the rubber sealing ring 41 plays a role in releasing impact force and reducing vibration.

[0022] In addition, six mounting holes 42 are formed in the coupling seat 2, which facilitates the installation of the coupling device on the engine through the mounting holes 42.

[0023] Meanwhile, an upper flat washer 6 and a lower flat washer 7 are arranged between the bolt 5 and the nut 8, the upper flat washer 6 is in extrusion contact with the mounting block 101, and the lower flat washer 7 is in extrusion contact with the nut 8.

[0024] In addition, the mounting rack 3 is annular, the inner ring diameter of the mounting rack 3 is the same as the diameter of the through hole 21, the diameter of the mounting rack 3 is matched with the diameter of the fuel injector body 1, and the installation of the fuel injector body 1 is facilitated.

[0025] In this embodiment, the plug strip 102 of the fuel injector body 1 is aligned with the slot 211, then the plug strip 102 is inserted into the slot 211, at the same time, the mounting block 101 is also inserted into the mounting groove 31, then the upper flat washer 6 is sleeved on the bolt 5, an external screwdriver is used to insert the bolt 5 into the mounting block 101 and threadedly connect the threaded hole 311, at the same time, the lower flat washer 7 is sleeved on the bolt 5, an external wrench nut 8 is used to threadedly connect the nut 8 and the bolt 5, through the cooperation of the screwdriver and the wrench, the upper flat washer 6 is extruded between the mounting block 101 and the bolt 5, the lower flat washer 7 is extruded between the nut 8 and the bottom of the mounting rack 3, and the fuel injector body 1 is firmly fixed on the coupling device, then the device is installed on the engine through the mounting holes 42 of the fuel injection sealing sleeve 4.

[0026] When the engine starts to work, vibration is generated, which brings impact force and vibration to the fuel injector body 1. The impact force is transmitted to the connecting device through the rubber sealing ring 41, and is weakened under the buffering action of the rubber sealing ring 41. Then the impact force reaches the bolt 5 and the nut 8 through the rubber sheet 9, and is weakened again under the buffering action of the rubber sheet 9. At the same time, the upper flat washer 6 and the lower flat washer 7 increase the contact area with the parts, thereby avoiding the loosening of the connection between the bolt 5 and the nut 8 due to the impact force and vibration generated in the surfing process.

[0027] In the utility model, the impact force and vibration brought to the fuel injector body 1 in the surfing process are greatly released through the rubber sealing ring 41 and the rubber sheet 9, and the contact area of the bolt 5, the nut 8 and the surface of the parts is increased through the upper flat washer 6 and the lower flat washer 7, so that the loosening is prevented, the connection between the fuel injector and the engine is firm, and the utility model is convenient to use.

[0028] The above is only the preferred specific implementation mode of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. Fuel injector coupling device for fuel surfboards, comprising a coupling seat (2), characterized in that, The connecting seat (2) is internally provided with a through hole (21), both sides of the through hole (21) are provided with insertion slots (211), the connecting seat (2) is fixedly installed with a mounting rack (3) on the top, the mounting rack (3) is provided with six mounting slots (31) on the top, the mounting slots (31) are provided with threaded holes (311), the mounting slots (31) are provided with rubber sheets (9), the mounting rack (3) is slidably inserted with an oil sprayer body (1), the oil sprayer body (1) is provided with six mounting blocks (101) on the outer wall, the oil sprayer body (1) is provided with insertion strips (102) on the two sides of the outer wall, the insertion strips (102) are inserted into the insertion slots (211), the mounting blocks (101) are inserted into the mounting slots (31) and are in extrusion contact with the rubber sheets (9), and the mounting blocks (101) are inserted into the mounting rack (3) and the threaded holes (311) through bolts (5), then the bolts (5) are fixed through nuts (8). The connecting seat (2) is fixedly installed with an oil injection sealing sleeve (4) on the bottom, and the oil injection sealing sleeve (4) is laid with a rubber sealing ring (41) on the bottom.

2. The fuel injector coupling device for a fuel powered surfboard of claim 1, wherein, Six mounting holes (42) are formed in the connecting seat (2).

3. The fuel injector coupling device for a fuel powered surfboard of claim 1, wherein, The upper flat washer (6) is in extrusion contact with the mounting block (101), and the lower flat washer (7) is in extrusion contact with the nut (8).

4. The fuel injector coupling device for a fuel powered surfboard of claim 1, wherein, The mounting rack (3) is annular, the inner ring diameter of the mounting rack (3) is the same as the diameter of the through hole (21), and the diameter of the mounting rack (3) is matched with the diameter of the oil sprayer body (1).

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