CN213743789U - Fault diagnosis device for oil injector - Google Patents
Fault diagnosis device for oil injector Download PDFInfo
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- CN213743789U CN213743789U CN202022150294.XU CN202022150294U CN213743789U CN 213743789 U CN213743789 U CN 213743789U CN 202022150294 U CN202022150294 U CN 202022150294U CN 213743789 U CN213743789 U CN 213743789U
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- oil return
- sprayer
- injector
- diagnosis device
- oil
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Abstract
The utility model belongs to the technical field of automobile fault detection, the utility model provides a sprayer failure diagnosis device, including mount and a plurality of oil return volume observation pipes that set up along the mount, the first end and the mount of oil return volume observation pipe are connected, and the second end of oil return volume observation pipe is used for the oil gallery of intercommunication sprayer, and the part or the whole pipe wall of oil return volume observation pipe are transparent or semitransparent. The utility model provides a sprayer fault diagnosis device can be fast simple and convenient judge whether there is the trouble in a certain jar engine injector of engine, during the use, under whole car starting condition, with a plurality of oil return volume observation tubes and a plurality of sprayer oil return hole butt joint intercommunication one by one, when the sprayer appears relevant mechanical failure, the sprayer oil return volume can increase or reduce, how much through each jar sprayer oil return volume of contrast, judge whether there is the trouble in a certain jar sprayer to find the fault source or get rid of the sprayer trouble.
Description
Technical Field
The utility model belongs to the technical field of automobile fault detects, concretely relates to sprayer fault diagnosis device.
Background
This section provides background information related to the present disclosure only and is not necessarily prior art.
At present, the main method for judging the fault of the oil injector generally needs to detach the oil injector from an engine, detect the conditions of the oil injection quantity and the oil return quantity of the oil injector on a common rail oil injector test bench, and judge whether the oil injector has the fault or not by comparing the conditions of the oil injection quantity with the normal oil injector. The common rail fuel injector test bed can accurately judge whether the fuel injector works normally, but special equipment needs to be purchased in a high amount, the fuel injector needs to be detached from the whole vehicle, the operation seasonality is obvious for the agricultural machinery industry, the requirement on maintenance timeliness is very high, and the fuel injector cannot meet the timeliness requirement through the detection of a current-stage mode.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that whether the cost of detecting the sprayer and breaking down among the prior art is higher and consuming time longer at least, this purpose is realized through following technical scheme:
the utility model provides a sprayer fault diagnosis device, sprayer fault diagnosis device includes:
a fixed mount;
the oil return quantity observation pipe comprises a plurality of oil return quantity observation pipes, wherein the first ends of the oil return quantity observation pipes are connected with the fixing frame, the second ends of the oil return quantity observation pipes are used for being communicated with oil return holes of the oil sprayer, and at least part of the pipe walls of the oil return quantity observation pipes are of transparent structures or semitransparent structures.
The utility model provides a sprayer fault diagnosis device can be fast simple and convenient judge whether there is the trouble in a certain jar engine injector of engine, during the use, under whole car starting condition, with a plurality of oil return volume observation tubes and a plurality of sprayer oil return hole butt joint intercommunication one by one, when the sprayer appears relevant mechanical failure, the sprayer oil return volume can increase or reduce, how much through each jar sprayer oil return volume of contrast, judge whether there is the trouble in a certain jar sprayer to find the fault source or get rid of the sprayer trouble.
In addition, according to the utility model discloses a sprayer failure diagnosis device still can have following additional technical characterstic:
in some embodiments of the present invention, the length of the plurality of oil return observation pipes is equal.
In some embodiments of the present invention, the fixing frame comprises two support rods and a connecting rod disposed between the two support rods, and the first end of each of the oil return observation tubes is connected to the connecting rod at an interval.
In some embodiments of the present invention, the connecting rod is a straight rod, and the supporting rod is perpendicularly connected to the connecting rod.
In some embodiments of the present invention, the injector fault diagnosis apparatus further comprises an injector connection joint disposed at the second end of the oil return observation tube.
In some embodiments of the present invention, the fuel injector connector is provided with a thread for screwing with an oil return hole of the fuel injector.
In some embodiments of the present invention, the oil return observation tube is a rubber hose.
In some embodiments of the present invention, the oil return observing tube is provided with liquid level scale marks.
In some embodiments of the present invention, the injector fault diagnosis apparatus further comprises a connecting member disposed at the first end of the oil return observing tube, one end of the connecting member is connected to the first end of the oil return observing tube in a detachable manner, and the other end of the connecting member is connected to the fixing frame in a detachable manner.
In some embodiments of the present invention, the connector seals the first end of the oil return observation tube.
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:
fig. 1 schematically shows a schematic structural view of a fuel injector failure diagnosis apparatus according to an embodiment of the present invention;
the reference symbols in the drawings denote the following:
10: a fixing frame and 11: connecting rod, 12: a supporting rod,
20: oil return amount observation tube, 21: injector attach fitting, 22: a connecting member;
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, 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 "second" and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, an 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", "inner", "side", "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 utility model provides a sprayer failure diagnosis device, sprayer failure diagnosis device includes:
a fixed frame 10;
the oil return quantity observation pipes 20 are characterized in that first ends of the oil return quantity observation pipes 20 are connected with the fixed frame 10, second ends of the oil return quantity observation pipes 20 are used for being communicated with oil return holes of the oil sprayer, and at least part of pipe walls of the oil return quantity observation pipes 20 are of transparent structures or semitransparent structures.
The utility model provides a sprayer failure diagnosis device can be fast simple and convenient judge whether there is the trouble in a certain jar engine injector of engine, during the use, under whole car starting condition, with a plurality of oil return volume observation tube 20 and a plurality of sprayer oil return hole butt joint intercommunication one by one, when the relevant mechanical fault appears in the sprayer, the sprayer oil return volume can increase or reduce, how much through each jar sprayer oil return volume of contrast, judge whether there is the trouble in a certain jar sprayer, thereby find the fault source or get rid of the sprayer trouble.
In some embodiments of the present invention, the length of the plurality of oil return observation tubes 20 is equal. The oil return amount observing tube 20 having the same length facilitates observation of the oil return amount.
In some embodiments of the present invention, the fixing frame 10 includes two support rods 12 and a connecting rod 11 disposed between the two support rods 12, the first end of each oil return observation tube 20 is connected to the connecting rod 11 at an interval, and the two support rods 12 are used for supporting the connecting rod 11, and can be inserted into the base for fixing during use.
In some embodiments of the present invention, the connecting rod 11 is a straight rod, and the supporting rod 12 is perpendicularly connected to the connecting rod 11. When in use, the support rod 12 can be inserted into the clamping seat, and is convenient to place.
In some embodiments of the present invention, the injector fault diagnosis apparatus further includes an injector connection joint 21 provided at the second end of the oil return amount observation pipe 20. The oil sprayer connecting joint 21 is connected with an oil return hole of the oil sprayer, the connection reliability is good, and the joint 21 can be in threaded connection or clamping connection.
In some embodiments of the present invention, the injector attach fitting 21 is provided with threads for threadably engaging an oil return hole of the injector. The threaded connection has good sealing performance and good reliability, and the fuel injector connecting joint 21 is not easy to fall off.
In some embodiments of the present invention, the oil return observation tube 20 is a rubber hose. The rubber hose is made of softer material and is convenient to be butted with the oil sprayer.
In some embodiments of the present invention, the oil return observing tube 20 is provided with liquid level scale marks. The oil return amount is conveniently observed by setting scale marks.
In some embodiments of the present invention, the injector fault diagnosis apparatus further includes a connecting member 22 disposed at the first end of the oil return observing tube 20, one end of the connecting member 22 is detachably connected to the first end of the oil return observing tube 20, and the other end of the connecting member 22 is detachably connected to the fixing frame 10. The oil return amount observation pipe 20 is conveniently connected with the fixed frame 10 by arranging a connecting piece 22.
In some embodiments of the present invention, the connector 22 seals the first end of the oil return sight tube 20. The oil return amount observing pipe 20 is sealed by a connection 22 to prevent the oil return from overflowing.
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 (10)
1. An injector failure diagnosis device characterized by comprising:
a fixed mount;
the oil return quantity observation pipe comprises a plurality of oil return quantity observation pipes, wherein the first ends of the oil return quantity observation pipes are connected with the fixing frame, the second ends of the oil return quantity observation pipes are used for being communicated with oil return holes of the oil sprayer, and at least part of the pipe walls of the oil return quantity observation pipes are of transparent structures or semitransparent structures.
2. The injector malfunction diagnosis device according to claim 1, characterized in that the lengths of the plurality of return-amount observing pipes are equal.
3. The fuel injector failure diagnostic device according to claim 1, characterized in that the mount includes two support rods and a connecting rod provided between the two support rods, and the first end of each of the return oil amount observation pipes is connected to the connecting rod at a spacing.
4. The fuel injector fault diagnosis device according to claim 3, characterized in that the connecting rod is a straight rod, and the support rod is vertically connected to the connecting rod.
5. The injector malfunction diagnosis device according to claim 1, characterized by further comprising an injector connection joint provided at the second end of the return oil amount observation pipe.
6. The injector malfunction diagnosis device according to claim 5, characterized in that the injector joint connector is provided with a thread for screw-connection with a return oil hole of the injector.
7. The injector malfunction diagnosis device according to any one of claims 1 to 6, characterized in that the oil return amount observation pipe is a rubber hose.
8. The injector malfunction diagnosis device according to any one of claims 1 to 6, characterized in that a liquid level scale is provided on the oil return amount observation pipe.
9. The injector malfunction diagnosis device according to any one of claims 1 to 6, characterized by further comprising a connecting member provided at the first end of the oil return amount observing tube, one end of the connecting member being detachably connected to the first end of the oil return amount observing tube, and the other end of the connecting member being detachably connected to the mount.
10. The injector malfunction diagnosis device according to claim 9, characterized in that the connection member seals the first end of the oil return amount observing pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022150294.XU CN213743789U (en) | 2020-09-25 | 2020-09-25 | Fault diagnosis device for oil injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022150294.XU CN213743789U (en) | 2020-09-25 | 2020-09-25 | Fault diagnosis device for oil injector |
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| Publication Number | Publication Date |
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| CN213743789U true CN213743789U (en) | 2021-07-20 |
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| CN202022150294.XU Active CN213743789U (en) | 2020-09-25 | 2020-09-25 | Fault diagnosis device for oil injector |
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| CN (1) | CN213743789U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151258A (en) * | 2021-12-08 | 2022-03-08 | 一汽解放汽车有限公司 | Oil injector oil return fault diagnosis method, fuel system and internal combustion engine |
-
2020
- 2020-09-25 CN CN202022150294.XU patent/CN213743789U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151258A (en) * | 2021-12-08 | 2022-03-08 | 一汽解放汽车有限公司 | Oil injector oil return fault diagnosis method, fuel system and internal combustion engine |
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