Oil sprayer connector

Abstract

The utility model relates to the technical field of fuel injector installation accessories, and discloses a fuel injector connector which comprises a body, and a plurality of connecting pipes used for connection are installed on the side wall of the body. The anti-falling structure comprises a first rotating ring, a second rotating ring, clamping jaws and a squeezing and pushing ring, the first rotating ring is in threaded connection with the connecting pipe, the second rotating ring is rotationally connected with the first rotating ring, the second rotating ring is provided with a plurality of petal-shaped structures, each petal-shaped structure is fixedly connected with one clamping jaw, and the squeezing and pushing ring is fixedly connected with the connecting pipe; the extruding and pushing ring can extrude and push the petal-shaped structure of the second rotating ring to expand and deform, by rotating the first rotating ring, the first rotating ring drives the second rotating ring to be away from the extruding and pushing ring, and then the petal-shaped structure of the second rotating ring deforms and resets towards the outer wall of the connecting pipe under the action of self stress; and extrusion limiting of the port of the hose is achieved, the hose is prevented from falling off, and the limiting effect on the hose is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to fuel injector mounting accessory technical field, especially a kind of fuel injector connector. BACKGROUND

[0002] In fuel pump oil supply engine, form certain pressure except normal supply fuel injector fuel injection, surplus fuel is sent back to oil tank by oil return pipeline, at this time, the connector is needed to connect fuel injector and other pipeline.

[0003] Prior art discloses a kind of engine fuel injector oil return pipe connector (publication number: CN218468491U), including connector body, the both sides wall of connector body is fixedly provided with connecting plate, the both sides of two The connecting plate is equipped with sliding groove, the top plate is set on the connector body, the both sides of the top plate lower end are fixedly provided with sliding plate, the both sides wall of two The sliding plate is fixedly provided with lug, the both sides wall of the connector body is fixedly connected with oil return pipe connector and penetrates connecting plate, the outer wall of two The oil return pipe connector is fixedly provided with first side connector on one side, the outer wall of oil return pipe connector is fixedly provided with second side connector on the side away from first side connector.

[0004] In prior art, the pipeline of main body wall surface is connected with hose, and the outer wall of pipeline is provided with boss for preventing hose from falling off, after being connected with fuel injector, there is certain pressure difference between inside and outside of main body, and the hose connected with pipeline is prone to deformation, the port of hose is sleeved on the outside of pipeline, when hose expands, the limiting effect of boss on hose is greatly reduced, thereby causing the risk of hose and pipeline falling off.

[0005] Therefore, we propose a kind of fuel injector connector. CONTENT OF UTILITY MODEL

[0006] The utility model mainly solves the technical problem that the above-mentioned hose and pipeline may fall off, and provides a kind of fuel injector connector.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme, a kind of fuel injector connector, comprising:

[0008] Main body, the side wall of main body is provided with a plurality of connecting pipes for connection, the wall surface of connecting pipe is fixedly provided with anti-falling boss;

[0009] Anti-falling structure is arranged on the outer wall of connecting pipe for limiting the hose connected, the anti-falling structure includes first swivel, second swivel, claw and extrusion ring, the first swivel is threadedly connected with connecting pipe, the second swivel is rotatably connected with the first swivel, the second swivel has a plurality of petal structures, each petal structure is fixedly connected with a claw, the extrusion ring is fixedly connected with connecting pipe, and the extrusion ring can extrude the petal structure of second swivel to expand and deform.

[0010] As a preferred mode of the utility model, the first swivel ring and the second swivel ring are both annular structures, the inner diameter of the first swivel ring is larger than the outer diameter of the connecting pipe, the end of the second swivel ring is rotationally connected with the end face of the first swivel ring, the inner wall of the first swivel ring is provided with teeth, the outer wall of the connecting pipe is provided with threads, and the first swivel ring is threadedly connected with the outer wall of the connecting pipe.

[0011] As a preferred mode of the utility model, the extrusion ring forms a hollow truncated cone structure, the inner wall of the extrusion ring is fixedly connected with the outer wall of the connecting pipe, the end of the extrusion ring with a larger diameter faces away from the main body, and the diameter of the larger end of the extrusion ring is larger than the inner diameter of the second swivel ring.

[0012] As a preferred mode of the utility model, the anti-disengagement structure further comprises deformation grooves, the end face of the second swivel ring is provided with a plurality of deformation grooves, and the second swivel ring forms a petal-shaped structure through the deformation grooves.

[0013] As a preferred mode of the utility model, the deformation grooves form rectangular notches, the depth of the deformation grooves is smaller than the length of the second swivel ring, and a petal-shaped structure is formed between the two adjacent deformation grooves.

[0014] As a preferred mode of the utility model, the claw forms a rod body structure with an L-shaped cross section, the claw extends and bends towards the outer wall of the main body, and the end face of the claw is fixedly connected with the end face of the second swivel ring.

[0015] As a preferred mode of the utility model, the outer wall of the first swivel ring is provided with a plurality of notches for clamping, the notches are rectangular grooves, and the depth of the notches is smaller than the length of the first swivel ring.

[0016] The utility model provides a kind of oil sprayer joint.There is following beneficial effect:

[0017] 1.The oil sprayer joint is rotated by the first swivel ring, the first swivel ring drives the second swivel ring away from the extrusion ring, and then the petal-shaped structure of the second swivel ring is deformed and reset to the outer wall of the connecting pipe under its own stress, the wall surface of the second swivel ring is resisted by the outer wall of the hose through the plurality of claws, the extrusion and limiting of the hose port are realized, the hose is prevented from falling off, and the limiting effect of the hose is improved.

[0018] 2.The oil sprayer joint is provided with deformation grooves, the end of the second swivel ring forms a plurality of petal-shaped structures through the plurality of deformation grooves, the deformation amplitude of the second swivel ring is improved, the petal-shaped structure can be deformed by the extrusion ring to adjust the position of the claw, and the limiting operation of the hose is more convenient and flexible. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is one of the overall perspective view of the utility model;

[0020] Figure 2 is a second overall perspective view of the utility model;

[0021] Figure 3 is a perspective view of the anti-disengagement structure and the connecting pipe of the utility model;

[0022] Figure 4 is an overall perspective view of the anti-disengagement structure of the utility model;

[0023] Figure 5 is a sectional view of the anti-disengagement structure of the utility model.

[0024] Legend: 10, main body; 11, connecting pipe; 12, anti-disengagement boss; 20, first rotary ring; 21, second rotary ring; 22, clamping jaw; 23, extrusion ring; 24, deformation groove. DETAILED DESCRIPTION

[0025] An oil injector connector, as shown in Figure 1 and Figure 2 , comprises:

[0026] A main body 10, a plurality of connecting pipes 11 for connection are installed on the sidewall of the main body 10, an anti-disengagement boss 12 is fixedly arranged on the wall surface of the connecting pipe 11, specifically, one connecting pipe 11 is fixedly installed on each of the two sides of the main body 10 and the bottom of the main body 10, the connecting pipe 11 at the bottom is used for connecting with the oil return port of the oil injector, the anti-disengagement boss 12 forms a circular table structure, the anti-disengagement boss 12 is integrally formed with the connecting pipe 11, the taper joint is formed through the anti-disengagement boss 12 to prevent the hose from falling off, which is a prior art known to all and will not be described here;

[0027] As shown in Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the anti-falling structure is arranged on the outer wall of the connecting pipe 11 for limiting the connected hose, the anti-falling structure comprises a first swivel ring 20, a second swivel ring 21, a claw 22 and a pushing ring 23, the first swivel ring 20 is threadedly connected with the connecting pipe 11, the second swivel ring 21 is rotationally connected with the first swivel ring 20, the second swivel ring 21 has a plurality of petal-shaped structures, each petal-shaped structure is fixedly connected with a claw 22, the pushing ring 23 is fixedly connected with the connecting pipe 11, the pushing ring 23 can extrude and push the petal-shaped structure of the second swivel ring 21 to expand and deform, the first swivel ring 20 and the second swivel ring 21 are both annular structures, the inner diameter of the first swivel ring 20 is greater than the outer diameter of the connecting pipe 11, the end of the second swivel ring 21 is rotationally connected with the end face of the first swivel ring 20, the inner wall of the first swivel ring 20 is provided with teeth, the outer wall of the connecting pipe 11 is provided with threads, the first swivel ring 20 is threadedly connected with the outer wall of the connecting pipe 11, the pushing ring 23 forms a hollow truncated cone structure, the inner wall of the pushing ring 23 is fixedly connected with the outer wall of the connecting pipe 11, the end of the pushing ring 23 with a larger diameter faces away from the main body 10, the diameter of the larger end of the pushing ring 23 is greater than the inner diameter of the second swivel ring 21, the claw 22 forms a rod body structure with an L-shaped cross section, the claw 22 extends outwardly and bends towards the outer wall of the main body 10, the end face of the claw 22 is fixedly connected with the end face of the second swivel ring 21, in this scheme, when the hose connected with the connecting pipe 11 is sleeved outside the anti-falling boss 12, the port of the hose extends to the side of the anti-falling boss 12, by rotating the first swivel ring 20, the first swivel ring 20 drives the second swivel ring 21 to move away from the pushing ring 23, and then the petal-shaped structure of the second swivel ring 21 deforms and resets towards the outer wall of the connecting pipe 11 under its own stress, by the resistance of the wall surface of the second swivel ring 21 to the outer wall of the hose through the claws 22, the extrusion limiting of the port of the hose is realized, the falling of the hose is prevented, the limiting effect of the hose is improved, in the initial position, the first swivel ring 20 can be rotated to make the second swivel ring 21 close to the anti-falling boss 12, and then under the extrusion of the slope surface of the pushing ring 23, each petal-shaped structure of the second swivel ring 21 moves away from the connecting pipe 11, at this time, the claw 22 and the connecting pipe 11 form a sufficient gap for the extension of the hose, and then the hose is convenient to be inserted with the connecting pipe 11.

[0028] As shown in the figure, Figure 4 The anti-falling structure further comprises a deformation groove 24, the end face of the second swivel ring 21 is provided with a plurality of deformation grooves 24, the second swivel ring 21 forms the petal-shaped structure through the deformation grooves 24, the deformation groove 24 forms a rectangular slot, the depth of the deformation groove 24 is less than the length of the second swivel ring 21, and adjacent two deformation grooves 24 form a petal-shaped structure, as a supplement to the above scheme, by arranging the deformation groove 24, the end of the second swivel ring 21 forms a plurality of petal-shaped structures through the plurality of deformation grooves 24, and then the deformation amplitude of the second swivel ring 21 is improved, and it is ensured that the petal-shaped structure can be extruded and deformed by the pushing ring 23 to adjust the position of the claw 22, and the limiting operation of the hose is more convenient and flexible.

[0029] As shown in the figure, Figure 4As shown, the outer wall of the first rotating ring 20 is provided with a plurality of openings for clamping, the openings are rectangular grooves, the depth of the openings is less than the length of the first rotating ring 20, the first rotating ring 20 can be rotated by clamping the openings with a wrench or directly holding the openings with hands, which facilitates clamping and force exertion during rotation of the first rotating ring 20 and improves the convenience of rotating the first rotating ring 20.

[0030] The working principle of the utility model is: when the hose is inserted with the connecting pipe 11, the port of the hose extends to the side of the anti-off boss 12 when the hose sleeve connected with the connecting pipe 11 is arranged outside the anti-off boss 12, the first rotating ring 20 drives the second rotating ring 21 to move away from the extrusion ring 23 by rotating the first rotating ring 20, and then the petal-shaped structure of the second rotating ring 21 deforms and resets towards the outer wall of the connecting pipe 11 under the action of its own stress, the outer wall of the hose is resisted by the plurality of clamping claws 22 on the wall surface of the second rotating ring 21, the extrusion limiting of the port of the hose is realized, the falling of the hose is prevented, the limiting effect of the hose is improved, in the initial position, the first rotating ring 20 is rotated to make the second rotating ring 21 close to the anti-off boss 12, and then under the extrusion action of the extrusion ring 23, the petal-shaped structures of the second rotating ring 21 move away from the connecting pipe 11, at this time, the clamping claws 22 and the connecting pipe 11 form enough gaps for the hose to extend, the first rotating ring 20 can be rotated by clamping the openings with a wrench or directly holding the openings with hands, which facilitates clamping and force exertion during rotation of the first rotating ring 20.

[0031] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, the above embodiments and descriptions in the specification are only to illustrate the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and 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. An oil injector connection, characterized by The utility model relates to a kind of anti-off structure of pipe connector, including: Main body (10), the side wall of main body (10) is equipped with several pipes (11) for connection, the wall surface of pipe (11) is fixedly provided with anti-off boss (12); Anti-off structure is arranged on the outer wall of pipe (11) for limiting the hose connected, the anti-off structure includes first swivel (20), second swivel (21), claw (22) and extrusion ring (23), the first swivel (20) is threadedly connected with pipe (11), second swivel (21) is rotatably connected with first swivel (20), the second swivel (21) has several petal structures, each petal structure is fixedly connected with a claw (22), the extrusion ring (23) is fixedly connected with pipe (11), and extrusion ring (23) can extrude and push petal structure of second swivel (21) and expand deformation.

2. The fuel injector coupling of claim 1, wherein: The first swivel (20) and second swivel (21) are annular structure, the inner diameter of first swivel (20) is greater than the outer diameter of pipe (11), the end of second swivel (21) is rotatably connected with the end surface of first swivel (20), the inner wall of first swivel (20) is provided with tooth, and the outer wall of pipe (11) is provided with thread, and the first swivel (20) is connected with the thread of the outer wall of pipe (11).

3. The fuel injector coupling of claim 1, wherein: The extrusion ring (23) forms hollow circular truncated cone structure, the inner wall of extrusion ring (23) is fixedly connected with the outer wall of pipe (11), and the larger end of extrusion ring (23) is away from the direction of main body (10), and the diameter of the larger end of extrusion ring (23) is greater than the inner diameter of second swivel (21).

4. The fuel injector coupling of claim 1, wherein: The anti-off structure further includes deformation groove (24), the end surface of second swivel (21) is provided with several deformation grooves (24), and the second swivel (21) forms petal structure through deformation groove (24).

5. The fuel injector coupling of claim 4, wherein: The deformation groove (24) forms rectangular notch, and the depth of deformation groove (24) is less than the length of second swivel (21), and adjacent two deformation grooves (24) form a petal structure.

6. The fuel injector coupling of claim 1, wherein: The claw (22) forms the rod body structure of cross section L-shaped, and the claw (22) is bent and extended towards the outer wall of main body (10), and the end surface of claw (22) is fixedly connected with the end surface of second swivel (21).

7. The fuel injector coupling of claim 1, wherein: The outer wall of first swivel (20) is provided with several openings for clamping, and the opening is rectangular slot, and the depth of opening is less than the length of first swivel (20).

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