CN211975966U - Combined joint and identification system for flow overrun - Google Patents

Abstract

The utility model belongs to the technical field of the vehicle, concretely relates to identification system that combination connects and flow transfinites. The utility model discloses a combination connects includes: the oil inlet passage, the valve body, the oil outlet passage and the oil drainage passage; the oil inlet channel and the oil outlet channel are respectively communicated and arranged at two ends of the valve body, a throttling valve core is arranged between the valve body and the oil outlet channel, and the throttling valve core moves along the axial direction of the oil outlet channel; the oil drainage channel is arranged on the valve core and communicated with the valve core, and a one-way valve is arranged between the oil drainage channel and the valve body. The utility model discloses an among the combination joint, under the condition of flow overrun, throttle case moves down, and the passageway that produces oil seals up, and in oil in the oil feed passageway entered into the valve body passageway, then the check valve opened and flowed from the draining passageway, need not to hold the graduated flask when the engine operation and connect oil, can lock engine power fast not enough, can't build pressure, can't get up the car the trouble whether by oil return overrun lead to.

Description

Combined joint and identification system for flow overrun

Technical Field

The utility model belongs to the technical field of the vehicle, concretely relates to identification system that combination connects and flow transfinites.

Background

The oil return amount of an oil injector or an oil injection pump is over-limited, which is one of the reasons of faults of insufficient engine power, incapability of building pressure, incapability of starting a vehicle and the like, and whether the oil return amount is over-limited or not is often not locked quickly when the faults are met in the bench test process. In the troubleshooting process, the fuel is led out by a transparent pipe and is connected to a measuring cup for measurement to judge whether the return oil quantity exceeds the limit.

In the prior art, whether faults such as insufficient engine power, no voltage build-up, no start-up and the like are caused by the fact that the oil return amount is over-limit or not can not be locked quickly; in addition, the oil return amount is measured by holding a measuring cup to receive oil when the engine runs, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that whether faults such as the engine power can not be locked fast, the pressure can not be built, the start can not be carried out by the oil return amount transfinite. The purpose is realized by the following technical scheme:

the utility model discloses a first aspect provides a combination connects, the combination connects and includes: the oil inlet passage, the valve body, the oil outlet passage and the oil drainage passage;

the oil inlet channel and the oil outlet channel are respectively communicated and arranged at two ends of the valve body, a throttling valve core is arranged between the valve body and the oil outlet channel, and the throttling valve core moves along the axial direction of the oil outlet channel;

the oil drainage channel is arranged on the valve core and communicated with the valve core, and a one-way valve is arranged between the oil drainage channel and the valve body.

According to the utility model discloses an among the combination joint, under the normal condition of flow, through producing oil passageway oil, under the condition of flow transfinite, throttle case moves down, and the passageway that produces oil seals up, and in oil in the oil feed passageway entered into the valve body passageway, then the check valve was opened and is flowed from draining the passageway, need not to hold the graduated flask when the engine operation and connect oil, can lock fast that engine power is not enough, can't build the pressure, can't get up the car etc. trouble whether lead to by the oil return volume transfinite.

In addition, according to the utility model discloses a combination connects, still can have following additional technical characterstic:

in some embodiments of the present invention, the check valve includes a check valve element, and the check valve element can be moved in the axial direction of the oil drainage passage.

In some embodiments of the present invention, the one-way valve element is moved in the axial direction of the oil drainage passage by the first spring.

In some embodiments of the utility model, set up the first chamber that holds in the draining passageway, check valve core with first spring is located the first intracavity that holds.

In some embodiments of the invention, the throttle valve cartridge is moved by a second spring in an axial direction of the valve cartridge.

In some embodiments of the present invention, a second chamber is provided in the valve body, and the throttle valve cartridge and the second spring are located in the second chamber.

The utility model discloses an on the other hand has still provided a flow identification system that transfinites, flow identification system that transfinites has above-mentioned combination joint, the oil feed passageway communicates with the oil return opening of sprayer or injection pump.

In some embodiments of the utility model, the device also comprises a sensor, a controller and an alarm,

the sensor is arranged in the oil drainage channel, and the controller receives the sensor signal and controls the alarm to be turned on or off.

The utility model discloses an in some embodiments, still include the oil tank, the draining passageway with the oil outlet channel all with the oil tank intercommunication.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:

figure 1 schematically illustrates a schematic view of a combination joint according to an embodiment of the invention;

the reference numerals in the drawings denote the following:

1. an oil inlet channel; 2. a throttle valve cartridge; 3. an oil outlet channel; 4. a one-way valve; 5. and an oil drainage channel.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1, the combined joint in this embodiment includes an oil inlet passage 1, a valve body, an oil outlet passage 3, and an oil drain passage 5; the oil inlet channel 1 and the oil outlet channel 3 are respectively communicated and arranged at two ends of the valve body, a throttle valve core 2 is arranged between the valve body and the oil outlet channel 3, and the throttle valve core 2 can move along the axial direction of the oil outlet channel 3 under the action of first oil pressure; the oil drainage channel 5 is arranged on the valve core and communicated with the valve core, and a one-way valve 4 is arranged between the oil drainage channel 5 and the valve body.

The oil inlet channel 1, the oil outlet channel 3 and the valve body are internally provided with channels, and under the condition that the flow is normal, oil is fed through the oil inlet channel 1 and oil is discharged through the oil outlet channel 3.

Under the condition that the flow exceeds the limit, the throttle valve core 2 moves downwards, the oil outlet channel 3 is sealed, oil in the oil inlet channel 1 enters the valve body channel, then the oil flows out of the oil drainage channel 5 through the one-way valve 5, the measuring cup does not need to be held by a hand when the engine runs, and the safety is improved. The engine can be quickly locked whether faults such as insufficient power, incapability of building voltage, incapability of starting and the like are caused by the fact that the oil return amount is over-limit.

Under the condition that the flow exceeds the limit, the throttle valve core 2 moves downwards, the oil outlet channel 3 is sealed, the pressure in the oil inlet channel 1 rises, when the pressure rises to the opening pressure of the one-way valve 4, the one-way valve 4 is opened, and oil flows out from the oil drainage channel 5.

In some embodiments of the present invention, the check valve 4 includes a check valve element, and the check valve element can move axially along the oil drainage channel 5 under the action of the second oil pressure. The second oil pressure is greater than the first oil pressure.

In some embodiments of the present invention, the check valve element moves axially along the oil drainage passage 5 by the first spring.

The utility model discloses an in some embodiments, set up the first chamber that holds in draining passageway 5, one-way valve core and first spring are located the first intracavity that holds.

In some embodiments of the present invention, the throttle valve cartridge 2 is moved by a second spring in the axial direction of the valve cartridge. Thereby opening the throttle valve cartridge 2.

In some embodiments of the present invention, a second chamber is provided in the valve body, and the throttle valve cartridge 2 and the second spring are located in the second chamber.

The utility model discloses an among the combination joint, under the normal condition of flow, through 3 oil productions of oil passageway, under the condition that flow transfinites, throttle case 2 moves down, and 3 seals of oil passageway, and pressure in the oil feed passageway 1 risees, when rising the opening pressure of check valve 4, check valve 4 is opened, and oil flows from draining passageway 5, need not to hold the graduated flask when the engine operation and connects oil, improves the security.

The utility model discloses an on the other hand has still provided a flow identification system that transfinites, and flow identification system that transfinites has above-mentioned combination and connects, and oil feed passageway 1 communicates with the oil return opening of sprayer or injection pump.

In some embodiments of the utility model, the device also comprises a sensor, a controller and an alarm,

the sensor is arranged in the oil drainage channel 5, and the controller receives a sensor signal and controls the alarm to be turned on or off.

The utility model discloses an in some embodiments, still include the oil tank, draining passageway 5 and oil outlet channel 3 all communicate with the oil tank. If the flow is normal, the fuel flows back to the fuel tank, if the flow is over-limited, the fuel flows to the fuel leakage alarm, the alarm gives an alarm prompt, and the alarm signal is received to prove that the flow is over-limited and then flows into the fuel tank from the drainage channel.

The utility model discloses an among the identification system that flow transfinites, the fuel flows out through 5 draining passageways that the combination connects, and the sensor detects the signal, and the controller receives the alarm of controlling behind the signal and reports to the police. Whether the oil return quantity of the oil injector or the oil injection pump exceeds the limit or not can be quickly identified, and the troubleshooting time of the engine is saved.

To sum up, the utility model discloses an among the combination joint, under the normal condition of flow, through 3 oil outlet channels, under the condition of flow transfinite, throttle case 2 moves down, and 3 seals of oil outlet channel are died, and oil in the oil feed passageway 1 enters into the valve body passageway, then flows from draining passageway 5, need not to hold the graduated flask when the engine operation and connect oil, improves the security. The engine can be quickly locked whether faults such as insufficient power, incapability of building voltage, incapability of starting and the like are caused by the fact that the oil return amount is over-limit.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (9)

1. A composite fitting, comprising: the oil inlet passage, the valve body, the oil outlet passage and the oil drainage passage;

the oil inlet channel and the oil outlet channel are respectively communicated and arranged at two ends of the valve body, a throttling valve core is arranged between the valve body and the oil outlet channel, and the throttling valve core moves along the axial direction of the oil outlet channel;

the oil drainage channel is arranged on the valve core and communicated with the valve core, and a one-way valve is arranged between the oil drainage channel and the valve body.

2. The combination joint of claim 1, wherein the check valve includes a check spool movable in an axial direction of the drain passage.

3. The combination joint of claim 2, wherein the check valve spool is moved by a first spring in an axial direction of the drain passage.

4. The combination joint of claim 3, wherein a first receiving cavity is disposed within the drain passage, the check valve spool and the first spring being located within the first receiving cavity.

5. The combination joint of claim 1, wherein the throttle valve spool is moved in an axial direction of the spool by a second spring.

6. The combination connector of claim 5, wherein a second volume is disposed within the valve body, and the throttle valve spool and the second spring are located within the second volume.

7. An identification system for flow overrun, characterised by a combination joint according to any one of claims 1 to 6, the oil inlet channel being in communication with the oil return of a fuel injector or a fuel injection pump.

8. The system for identifying an excess flow rate of claim 7, further comprising a sensor, a controller, and an alarm,

the sensor is arranged in the oil drainage channel, and the controller receives the sensor signal and controls the alarm to be turned on or off.

9. The system for identifying an overrun in accordance with claim 8, further comprising an oil tank, the oil drain passage and the oil drain passage each communicating with the oil tank.

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