CN218991762U

CN218991762U - Connector for oil injection

Info

Publication number: CN218991762U
Application number: CN202223372879.1U
Authority: CN
Inventors: 刘猛
Original assignee: Huizhou Tuowei Precision Plastic Mould Co ltd
Current assignee: Huizhou Tuowei Precision Plastic Mould Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-05-09
Anticipated expiration: 2032-12-16

Abstract

The utility model relates to the field of fuel injectors and discloses a connector for fuel injection, which comprises a connecting pipe, wherein the outer edge of the connecting pipe is provided with a fixing mechanism; the fixing mechanism comprises a first supporting block, a supporting box is slidably arranged on the side face of the first supporting block, and a bidirectional screw rod is movably arranged on the inner wall of the supporting box. According to the utility model, the bidirectional screw rod is driven to rotate by rotating the rotating handle, so that the first supporting blocks slide along the outer edge of the sliding rod to approach each other, the second supporting ring contact spring is extruded to approach the direction of the first supporting ring by the movement of the first supporting blocks, so that the oil pipe is fixed.

Description

Connector for oil injection

Technical Field

The utility model relates to the field of fuel injectors, in particular to a connector for fuel injection.

Background

The automobile fuel injector is a precise device with very high processing precision, and is required to have large dynamic flow range, strong anti-blocking and anti-pollution capability and good atomization performance, and the automobile fuel injector receives a fuel injection pulse signal sent by an ECU (electronic control Unit) to precisely control the fuel injection quantity.

According to the connecting structure of the oil sprayer body and the oil inlet joint of the patent number CN202756152U, the problems of high processing and manufacturing cost and very troublesome dredging and cleaning after the oil inlet passage is blocked are solved in the scheme.

However, the connection head is unstable when being connected, such as the situation that the oil sprayer and the connection head are loosened when being used for a long time, oil leakage is caused to cause accidents, and the tightness is poor when being connected, if tight sealing is not carried out, insufficient oil supply is caused to cause power deterioration and even the situation of cylinder pulling.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a connector for oil injection, which can strengthen the stability of the connector during connection for a long time to prevent looseness and improve the tightness during connection to prevent oil leakage.

In order to achieve the above purpose, the utility model provides a connector for oil injection, which adopts the following technical scheme: the connecting device comprises a connecting pipe, wherein a fixing mechanism is arranged at the outer edge of the connecting pipe;

the fixing mechanism comprises a first supporting block, a supporting box is slidably arranged on the side face of the first supporting block, a bidirectional screw rod is movably arranged on the inner wall of the supporting box, and a fixing plate is slidably arranged on the inner wall of the first supporting block;

the leakage-proof mechanism comprises an oil pipe;

further, the bottom of the first supporting block is movably connected with the outer edge of the connecting pipe, and the outer edge of the bidirectional screw rod is in threaded connection with the inner wall of the first supporting block;

further, a rotating handle is fixedly arranged on the right side of the bidirectional screw rod, a sliding rod is fixedly arranged on the inner wall of the supporting box, and the outer edge of the sliding rod is in sliding connection with the inner wall of the first supporting block;

further, a first support ring is fixedly arranged on the side face of the connecting pipe, and a spring is fixedly arranged at one end of the first support ring;

further, a second support ring is fixedly arranged on the outer edge of the oil pipe, one end of the second support ring is movably connected with one end of the spring, a clamping plate is movably arranged at the other end of the second support ring, and the side face of the clamping plate is fixedly connected with the side face of the first support block;

through above-mentioned technical scheme, thereby drive two-way lead screw rotation through rotating the commentaries on classics and make first supporting shoe slide along the outside of slide bar and be close to each other, thereby make second backup ring contact spring extrude to first backup ring direction be close to oil pipe through the removal of first supporting shoe fixed, above structure has reached and has strengthened the stability of connector when connecting prevent that the time is permanent and appear becoming flexible.

Further, a sealing gasket is fixedly arranged in the inner cavity of the connecting pipe, a leakage-proof layer is fixedly arranged in the inner cavity of the sealing gasket, a wear-resistant layer is fixedly arranged in the inner cavity of the leakage-proof layer, and a base material layer is fixedly arranged in the inner cavity of the wear-resistant layer;

through above-mentioned technical scheme, when oil pipe gets into the connecting pipe in the back contact substrate layer at first, can guarantee through the wearing layer that the wearing resistance when connecting pipe and oil pipe are connected avoids appearing the fracture, and the leak protection layer can prevent the condition that appears the oil leak when the oil feed, and the rethread is sealed fills up can prevent to appear leaking gas and the condition of oil leak when carrying oil, and above structure has reached the leakproofness when being connected and has obtained the improvement and prevent the condition that appears the oil leak.

The utility model has the following beneficial effects:

1. according to the utility model, the bidirectional screw rod is driven to rotate by rotating the rotating handle, so that the first supporting blocks slide along the outer edge of the sliding rod to approach each other, the second supporting ring contact spring is extruded to approach the direction of the first supporting ring by the movement of the first supporting blocks, so that the oil pipe is fixed, and the structure can effectively strengthen the stability of the connector during connection to prevent loosening caused by long time, so that the problem that the oil leakage is caused by the fact that the oil sprayer and the connector are loosened caused by unstable connector during connection for a long time when the connector is used is solved;

2. according to the utility model, when the oil pipe enters the connecting pipe, the base material layer is contacted first, the wear resistance of the connecting pipe and the oil pipe can be ensured through the wear-resistant layer to avoid breakage, the leakage-proof layer can prevent oil leakage during oil supply, and the sealing gasket can prevent the conditions of air leakage and oil leakage during oil delivery.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a fuel injection connector according to the present utility model;

FIG. 2 is a schematic cross-sectional view of FIG. 1 illustrating a fuel injection connector according to the present utility model;

fig. 3 is a diagram of a leak-proof mechanism of a joint for oil injection according to the present utility model.

Legend description:

1. a connecting pipe; 2. a first support block; 3. a supporting box; 4. a two-way screw rod; 5. a slide bar; 6. a rotating handle; 7. a fixing plate; 8. a first support ring; 9. a spring; 10. a second support ring; 11. an oil pipe; 12. a clamping plate; 13. a sealing gasket; 14. a leakage-proof layer; 15. a wear-resistant layer; 16. a substrate layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, an embodiment of a connector for oil injection according to the present utility model is provided: the connecting pipe comprises a connecting pipe 1, wherein a fixing mechanism is arranged at the outer edge of the connecting pipe 1;

the fixing mechanism comprises a first supporting block 2, a supporting box 3 is slidably arranged on the side surface of the first supporting block 2, a bidirectional screw rod 4 is movably arranged on the inner wall of the supporting box 3, and a fixing plate 7 is slidably arranged on the inner wall of the first supporting block 2;

a leakage prevention mechanism including an oil pipe 11.

The bottom of first supporting shoe 2 and the outer edge swing joint of connecting pipe 1, thereby the outer edge of two-way lead screw 4 is close to first supporting shoe 8 direction and is fixed with the inner wall threaded connection of first supporting shoe 2, the right side fixed mounting of two-way lead screw 4 has changeing 6, the inner wall fixed mounting of supporting box 3 has slide bar 5, the outer edge of slide bar 5 and the inner wall sliding connection of first supporting shoe 2, thereby it makes the outer edge slip of first supporting shoe 2 at slide bar 5 through changeing 6 and makes first supporting shoe 2 be close to each other, thereby make second back-up collar 10 contact spring 9 squeeze to first supporting shoe 8 direction through the removal of first supporting shoe 2 thereby fix oil pipe 11, the side fixed mounting of connecting pipe 1 has first supporting collar 8, the one end fixed mounting of first supporting collar 8 has spring 9, the outer edge fixed mounting of oil pipe 11 has second supporting collar 10, the one end of second supporting collar 10 and the one end swing joint of spring 9, the other end movable mounting of second supporting collar 10 has splint 12, the side of splint 12 and the side fixed connection of first supporting shoe 2, the inner chamber fixed mounting of connecting pipe 1 has sealing gasket 13, sealing gasket 14 is equipped with the wearing layer 15 and the wearing layer can prevent the wearing layer of wearing layer 15 when the wearing layer 15 prevents the wearing layer of wearing layer 15 from appearing in the inner chamber 1 when the wearing layer 15 is connected with the wearing layer 15 and the wearing layer of wearing layer 15 is fixed through the wearing layer of wearing layer 15 and the wearing layer of wearing layer 15 is prevented the wearing layer from appearing in the condition that the wearing layer of wearing layer 1 from appearing in the wearing layer is out the condition of wearing layer is prevented.

Working principle: the bidirectional screw rod 4 is driven to rotate through the rotating handle 6, so that the first supporting blocks 2 slide along the outer edge of the sliding rod 5 to be close to each other, the second supporting ring 10 is enabled to contact the spring 9 to be extruded towards the direction of the first supporting ring 8 through the movement of the first supporting blocks 2, the oil pipe 11 is fixed, when the oil pipe 11 enters the connecting pipe 1, the base material layer 16 is firstly contacted, the wear resistance of the connecting pipe 1 when the connecting pipe 1 is connected with the oil pipe 11 can be guaranteed to avoid breaking through the wear-resisting layer 15, the leakage-proof layer 14 can prevent the situation of oil leakage during oil supply, and the leakage and oil leakage during oil conveying can be prevented through the sealing gasket 13.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It is apparent that the above-described embodiments are only some embodiments of the present utility model, but not all embodiments, and the preferred embodiments of the present utility model are shown in the drawings, which do not limit the scope of the patent claims. This utility model may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.

Claims

1. The utility model provides a connector for oil spout, includes connecting pipe (1), its characterized in that: the outer edge of the connecting pipe (1) is provided with a fixing mechanism;

the fixing mechanism comprises a first supporting block (2), a supporting box (3) is slidably arranged on the side face of the first supporting block (2), a bidirectional screw rod (4) is movably arranged on the inner wall of the supporting box (3), and a fixing plate (7) is slidably arranged on the inner wall of the first supporting block (2);

and the leakage-proof mechanism comprises an oil pipe (11).

2. A joint for fuel injection according to claim 1, characterized in that: the bottom of the first supporting block (2) is movably connected with the outer edge of the connecting pipe (1), and the outer edge of the bidirectional screw rod (4) is in threaded connection with the inner wall of the first supporting block (2).

3. A joint for fuel injection according to claim 1, characterized in that: the right side of two-way lead screw (4) fixed mounting has a commentaries on classics handle (6), the inner wall fixed mounting of supporting box (3) has slide bar (5), the outer edge and the inner wall sliding connection of first supporting shoe (2) of slide bar (5).

4. A joint for fuel injection according to claim 1, characterized in that: the side of the connecting pipe (1) is fixedly provided with a first supporting ring (8), and one end of the first supporting ring (8) is fixedly provided with a spring (9).

5. A joint for fuel injection according to claim 1, characterized in that: the oil pipe is characterized in that a second support ring (10) is fixedly arranged on the outer edge of the oil pipe (11), one end of the second support ring (10) is movably connected with one end of the spring (9), a clamping plate (12) is movably arranged at the other end of the second support ring (10), and the side face of the clamping plate (12) is fixedly connected with the side face of the first support block (2).

6. A joint for fuel injection according to claim 1, characterized in that: the inner cavity of the connecting pipe (1) is fixedly provided with a sealing gasket (13), the inner cavity of the sealing gasket (13) is fixedly provided with a leakage-proof layer (14), the inner cavity of the leakage-proof layer (14) is fixedly provided with a wear-resistant layer (15), and the inner cavity of the wear-resistant layer (15) is fixedly provided with a base material layer (16).