CN213743790U - Single-injection oil quantity detector of common rail oil injector - Google Patents
Single-injection oil quantity detector of common rail oil injector Download PDFInfo
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- CN213743790U CN213743790U CN202022698173.9U CN202022698173U CN213743790U CN 213743790 U CN213743790 U CN 213743790U CN 202022698173 U CN202022698173 U CN 202022698173U CN 213743790 U CN213743790 U CN 213743790U
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Abstract
The utility model provides a single injection oil mass detector of a common rail oil sprayer, which comprises a base, an oil distribution block, a sensor component, a valve component and an oil sprayer, wherein one side of the oil distribution block is provided with a connecting block; one side of the connecting block is provided with a placing groove matched with the oil injector, one side of the connecting block is provided with a connecting sleeve, one side of the connecting sleeve is of a conical structure which can be relatively closed, and the side is provided with a conical nut matched with the connecting sleeve; an anti-falling component is arranged between the conical nut and the connecting sleeve. The oil sprayer is preliminarily positioned in the horizontal and vertical directions through the connecting sleeve and the placing groove, so that the operation of fixing the oil sprayer is convenient; through conical nut and adapter sleeve screw-thread fit for the toper structure of adapter sleeve receives relative inside displacement after the extrusion, and this structure and sprayer in close contact with in order to realize the fixed action, and easy operation.
Description
Technical Field
The utility model belongs to the technical field of the sprayer, specifically speaking are common rail fuel injector single injection oil mass detector.
Background
The single-injection instrument is mainly used for research test of a diesel engine fuel injection system and spot check test in a fuel injector manufacturing procedure. The service life and the failure frequency of the instrument are limited. Due to the development of diesel engine production technology, particularly the development of high pressure injection and high pressure common rail systems, injector production units are required to test the single injection quantity of each injector. The amount and frequency of use of the single-shot instrument is greatly increased.
In practice, the fuel injector and the engine base need to be disassembled for many times during experiments. At present, connecting pieces with different specifications are adopted to fix the oil sprayer, and then the connecting pieces are connected with the oil sprayer through a plurality of bolts, so that the installation of the oil sprayer is completed. This kind of mounting means need dismantle a plurality of bolts many times, complex operation, waste time.
SUMMERY OF THE UTILITY MODEL
The utility model provides a common rail injector single injection oil mass detector for solve the loaded down with trivial details problem of sprayer and base dismouting, reach the beneficial effect who makes things convenient for the dismouting and improve dismouting efficiency.
The utility model discloses a following technical scheme realizes:
a single-injection oil mass detector of a common rail oil sprayer comprises a machine base, an oil distribution block, a sensor assembly, a valve assembly and an oil sprayer, wherein a connecting block is arranged on one side of the oil distribution block.
One side of the connecting block is provided with a placing groove matched with the oil injector, one side of the connecting block is provided with a connecting sleeve, one side of the connecting sleeve is of a conical structure which can be relatively closed, and the side is provided with a conical nut matched with the connecting sleeve; an anti-falling component is arranged between the conical nut and the connecting sleeve.
Furthermore, the anti-falling component comprises an annular groove formed in the conical nut, a sliding groove formed in the connecting sleeve and a sliding block, and the sliding block is matched with the annular groove and the sliding groove respectively.
Furthermore, a connecting ring is movably arranged on one side of the conical nut, and a connecting rod is movably arranged on the lower side of the connecting ring; one side in the placing groove is provided with a groove communicated with the placing groove, a mandril used for clamping the oil sprayer is movably arranged in the groove, and the lower end of the connecting rod is connected with the mandril.
Further, the sensor assembly comprises a first pressure sensor, a second pressure sensor and a temperature sensor.
Further, the valve assembly comprises a safety valve and an oil drain valve.
Furthermore, the cross section of the placing groove is of a stepped structure which is sequentially reduced from top to bottom.
The utility model has the advantages that:
1. the oil sprayer is preliminarily positioned in the horizontal and vertical directions through the connecting sleeve and the placing groove, so that the operation of fixing the oil sprayer is convenient; through conical nut and adapter sleeve screw-thread fit for the toper structure of adapter sleeve receives relative inside movement after the extrusion, and this structure and sprayer in close contact with in order to realize the fixed action, and easy operation save time.
2. The utility model discloses well conical nut's removal stroke is unlimited, and the characteristic that cooperation adapter sleeve toper structure can be drawn close each other uses, can satisfy the fixed needs of sprayer of different thickness specifications promptly, improves application scope.
3. The utility model discloses well slider removes along ring channel and spout, neither influences conical nut's removal, and can ensure that conical nut and adapter sleeve link together all the time, prevents that the part from losing and influencing the result of use.
4. The utility model discloses well cone nut's removal still drives the go-between and removes, and the go-between removes and drives the connecting rod and remove and make ejector pin one end draw close to the sprayer to this carries out the secondary to the sprayer and fixes, ensures to use reliable and stable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of the first embodiment;
FIG. 2 is a schematic structural view of a connecting block according to a second embodiment;
FIG. 3 is a schematic structural view of the second embodiment;
FIG. 4 is a schematic structural diagram of another embodiment.
In the figure, 1, a machine base; 2. oil separation blocks; 31. a first pressure sensor; 32. a second pressure sensor; a temperature sensor; 41. a safety valve; 42. an oil discharge valve; 5. an oil injector; 6. connecting blocks; 7. a placement groove; 8. connecting sleeves; 9. a cone nut; 10. an annular groove; 11. a chute; 12. a slider; 13. a connecting ring; 14. a connecting rod; 15. a groove; 16. and a push rod.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Example 1
A single-injection oil quantity detector of a common rail injector is shown in figure 1 and comprises a base 1, an oil distribution block 2, a sensor assembly, a valve assembly and an injector 5, wherein the sensor assembly comprises a first pressure sensor 31, a second pressure sensor 32 and a temperature sensor 33. The valve assembly includes a relief valve 41 and an oil drain valve 42.
As shown in fig. 1, a connecting block 6 is arranged on one side of the oil distribution block 2; the oil sprayer is characterized in that a placing groove 7 matched with the oil sprayer 5 is formed in one side of the connecting block 6, and the cross section of the placing groove 7 is of a stepped structure which is sequentially reduced from top to bottom. The placing groove 7 is used for preliminarily positioning the oil sprayer 5, and subsequent installation is facilitated.
As shown in fig. 1, a connecting sleeve 8 is arranged on one side of the connecting block 6, one side of the connecting sleeve 8 is a conical structure which can be relatively closed, the conical structure is made of elastic plastics, and the material can deform and can reset. The conical structure between still be equipped with the breach, 8 one sides of adapter sleeve are equipped with the arc of two slope installations promptly, the arc can draw close each other because of the material characteristic.
As shown in fig. 3, a conical nut 9 matched with the connecting sleeve 8 is arranged on one side of the connecting sleeve; an anti-falling component is arranged between the conical nut 9 and the connecting sleeve 8. The anti-falling component comprises an annular groove 10 arranged on the conical nut 9, a sliding groove 11 arranged on the connecting sleeve 8 and a sliding block 12, wherein the sliding block 12 is respectively matched with the annular groove 10 and the sliding groove 11. The sliding block 12 moves along the annular groove 10 and the sliding groove 11, so that the movement of the conical nut 9 is not influenced, the conical nut 9 and the connecting sleeve 8 can be always connected together, and the influence on the use effect caused by the loss of parts is avoided.
When the fuel injector 5 needs to be fixed, the lower end of the fuel injector 5 is passed through the connecting sleeve 8 and placed in the placing groove 7, and then the cone nut 9 is moved down along the connecting sleeve 8. Along with the movement of the cone nut 9, the cone structure of the connecting sleeve 8 can be relatively close to the fuel injector 5 until the cone structure is tightly contacted with the fuel injector 5, and at the moment, the fuel injector 5 is fixed. Because the conical nut 9 is in threaded connection with the connecting sleeve 8 and cannot move randomly, the fixing effect is good and reliable.
And (4) carrying out an experiment after the fixation is finished. When the fuel injector 5 needs to be disassembled, the conical nut 9 is rotated reversely, so that the conical structure of the connecting sleeve 8 is separated from the fuel injector 5, and a user can take out the fuel injector 5.
Example 2
On the basis of the embodiment 1, as shown in fig. 3-4, a connecting ring 13 is movably installed on one side of the cone nut 9, and the connecting ring 13 and the cone nut 9 can rotate relatively. A connecting rod 14 is movably arranged at the lower side of the connecting ring 13; as shown in fig. 2, a groove 15 communicated with the placing groove 7 is formed in one side of the placing groove 7, a push rod 16 used for clamping the fuel injector 5 is movably installed in the groove 15, the lower end of the connecting rod 14 is movably connected with the push rod 16, and the connecting rod 14 moves to drive the push rod 16 to rotate.
When the oil sprayer is fixed, the conical nut 9 moves downwards along the connecting sleeve 8, the connecting ring 13 is driven to move downwards by the movement of the conical nut, the connecting ring 13 moves downwards to drive the connecting rod 14 to move downwards, the connecting rod 14 moves to enable the ejector rod 16 to rotate, and the inner end of the ejector rod 16 is gradually close to the oil sprayer 5 until pushing against the outer side of the oil sprayer 5 when the ejector rod 16 rotates. Because the conical nut 9 is in threaded connection with the connecting sleeve 8, the connection mode cannot be changed randomly. Therefore, the connecting ring 13, the connecting rod 14 and the ejector rod 16 cannot move randomly, so that the fuel injector 5 is fixed for the second time, and the fixing effect is good.
Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A single-injection oil mass detector of a common rail oil sprayer comprises a base, an oil distribution block, a sensor assembly, a valve assembly and an oil sprayer, and is characterized in that a connecting block is arranged on one side of the oil distribution block;
a placing groove matched with the oil injector is arranged on one side of the connecting block, and a connecting sleeve is arranged on one side of the connecting block; one side of the connecting sleeve is of a conical structure which can be relatively closed, and a conical nut matched with the connecting sleeve is arranged on the side; an anti-falling component is arranged between the conical nut and the connecting sleeve.
2. The single injection oil quantity detector of the common rail oil injector according to claim 1, characterized in that: the anti-falling component comprises an annular groove formed in the conical nut, a sliding groove and a sliding block, wherein the sliding groove and the sliding block are formed in the connecting sleeve, and the sliding block is matched with the annular groove and the sliding groove respectively.
3. The single injection oil quantity detector of the common rail oil injector according to claim 1, characterized in that: one side of the conical nut is movably provided with a connecting ring, and the lower side of the connecting ring is movably provided with a connecting rod; one side in the placing groove is provided with a groove communicated with the placing groove, a mandril used for clamping the oil sprayer is movably arranged in the groove, and the lower end of the connecting rod is connected with the mandril.
4. The single injection oil quantity detector of the common rail oil injector according to claim 1, characterized in that: the sensor assembly comprises a first pressure sensor, a second pressure sensor and a temperature sensor.
5. The single injection oil quantity detector of the common rail oil injector according to claim 1, characterized in that: the valve assembly comprises a safety valve and an oil drain valve.
6. The single injection oil quantity detector of the common rail oil injector according to claim 1, characterized in that: the cross section of the placing groove is of a stepped structure which is sequentially reduced from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022698173.9U CN213743790U (en) | 2020-11-19 | 2020-11-19 | Single-injection oil quantity detector of common rail oil injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022698173.9U CN213743790U (en) | 2020-11-19 | 2020-11-19 | Single-injection oil quantity detector of common rail oil injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213743790U true CN213743790U (en) | 2021-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022698173.9U Active CN213743790U (en) | 2020-11-19 | 2020-11-19 | Single-injection oil quantity detector of common rail oil injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213743790U (en) |
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2020
- 2020-11-19 CN CN202022698173.9U patent/CN213743790U/en active Active
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