CN115559844A - Actual oil injection pressure detection device for oil injector - Google Patents
Actual oil injection pressure detection device for oil injector Download PDFInfo
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- CN115559844A CN115559844A CN202211285655.9A CN202211285655A CN115559844A CN 115559844 A CN115559844 A CN 115559844A CN 202211285655 A CN202211285655 A CN 202211285655A CN 115559844 A CN115559844 A CN 115559844A
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- detection device
- injection pressure
- rigid coupling
- pressure detection
- shell
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention provides an actual oil injection pressure detection device of an oil injector, which comprises a tubular detection shell, wherein a sealing ring is horizontally and fixedly connected to the upper part of the inner side of the detection shell, two arc-shaped fixture blocks are oppositely arranged on the upper side of the sealing ring, a horizontally arranged adjusting threaded rod is rotatably connected to the outer side wall of each arc-shaped fixture block, the outer end of each adjusting threaded rod penetrates out of the detection shell, a connecting pipeline is fixedly sleeved at the lower part of the inner side wall of the detection shell, a piston moving plate capable of vertically moving along the connecting pipeline is connected in the connecting pipeline, the circumferential side wall of the piston moving plate is in contact with the inner side wall of the connecting pipeline, and a pressure sensor is arranged at the bottom of the piston moving plate. The invention has the beneficial effects that: the mode of detecting the actual oil injection pressure of the oil injector through the detection device is simpler, more convenient and faster, and has no experience and technical requirements on detection personnel, so that the detection efficiency can be improved.
Description
Technical Field
The invention belongs to the technical field of pressure detection of an oil sprayer, and particularly relates to an actual oil spraying pressure detection device of the oil sprayer.
Background
After the fuel injector is used for a long time or leaves a factory, the fuel injector needs to be maintained and detected, and the actual fuel injection pressure of the fuel injector needs to be detected in the maintenance and detection processes, so that whether the fuel injector is in a standard state or not is determined.
The current method for detecting the actual oil injection pressure of the oil injector needs skilled workers, and has high technical requirements on personnel, so that the detection level and the detection efficiency of operators are limited.
Disclosure of Invention
In view of the above, the present invention provides a device for detecting actual fuel injection pressure of a fuel injector, which aims to overcome the defects of the above problems in the prior art.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides an actual oil spout pressure detection device of sprayer, including pipy detection shell, the horizontal rigid coupling in inboard upper portion of detection shell has sealed ring, and be equipped with two ARC fixture block relatively at sealed ring upside, all rotate the adjusting threaded rod who is connected with the level setting on every ARC fixture block lateral wall, and the adjusting threaded rod outer end is worn out and is detected the shell setting, connecting tube has been cup jointed to detection shell inside wall lower part rigid coupling, connecting tube internal connection has the piston movable plate that can follow the vertical removal of connecting tube, piston movable plate circumference lateral wall contacts with the connecting tube inside wall, and piston movable plate bottom is equipped with pressure sensor.
Further, the vertical rigid coupling in piston movable plate bottom has elastic telescopic rod, elastic telescopic rod's bottom rigid coupling has the removal clamp plate, and removal clamp plate outside rigid coupling has cup jointed the removal pipe, the horizontal rigid coupling in removal pipe bottom has the connecting rod, the equal vertical spiro union in connecting rod both sides has the relative removal screw rod that sets up, the equal spiro union in every removal screw rod upper portion has the regulating block, the common rigid coupling of two regulating block upper surfaces has a go-between, and the rigid coupling is on the go-between on the connecting pipeline bottom face, the pressure sensor rigid coupling is in removing the pipe, and one end and removal clamp plate bottom looks butt.
Furthermore, the outer side wall of the connecting pipeline is relatively provided with two thread grooves, a fixing screw is screwed in each thread groove, and the fixing screw horizontally penetrates through the detection shell.
Furthermore, the lower part of each movable screw is fixedly connected with a pushing plate, and the upper surface of each pushing plate abuts against the bottom of the connecting rod.
Furthermore, the bottom of each movable screw is fixedly connected with a rotating plate.
Furthermore, a display with a data processing module is installed on the detection shell, and the pressure sensor is electrically connected with the data processing module.
Furthermore, a mounting plate is fixedly connected to the outer side wall of the detection shell corresponding to the adjusting threaded rod, a through hole is formed in the detection shell corresponding to the adjusting threaded rod, and the adjusting threaded rod penetrates through the through hole and the mounting plate and is connected with the mounting plate in a threaded mode.
Furthermore, the bottom of each arc-shaped clamping block is bonded with a rubber sealing gasket, and the bottom of each rubber sealing gasket is in contact with the upper surface of the sealing ring.
Furthermore, a sealing ring is bonded at the bottom of the sealing ring.
Compared with the prior art, the invention has the following advantages:
according to the device for detecting the actual oil injection pressure of the oil injector, the arc-shaped clamping blocks and the adjusting threaded rod are arranged, the detection shell and the sealing ring are sleeved on the outer side wall of the oil injector, then the adjusting threaded rod is rotated, the detection shell is fixedly arranged on the oil injector through the two arc-shaped clamping blocks, the oil supply system at the rear end of the oil injector is started, the oil injector injects oil into the detection shell, the sprayed oil pressure is converted into a driving force in a closed space to push the piston moving plate to move, the pressure is transmitted to the pressure sensor through the piston moving plate, the mode that the actual oil injection pressure of the oil injector is detected through the detection device is simpler, more convenient and faster, the detection device has no experience and technical requirements on detection personnel, and the detection efficiency can be improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of an actual fuel injection pressure detection device of a fuel injector according to an embodiment of the present invention mounted on the fuel injector;
FIG. 2 is a sectional view of a structure of an actual fuel injection pressure detecting apparatus of a fuel injector according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
fig. 4 is a partially enlarged view of fig. 2 at B.
Description of reference numerals:
1. an oil injector; 2. detecting the shell; 3. a display; 4. a connecting rod; 5. moving the screw; 6. a set screw; 7. a rotating plate; 8. connecting a pipeline; 9. a piston moving plate; 10. a thread groove; 11. perforating; 12. mounting a plate; 13. an arc-shaped fixture block; 14. adjusting the threaded rod; 15. a rubber gasket; 16. sealing the circular ring; 17. a seal ring; 18. an elastic telescopic rod; 19. a push plate; 20. moving the catheter; 21. a pressure sensor; 22. moving the pressing plate; 23. a connecting ring; 24. and a regulating block.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in the figure, a device for detecting actual oil injection pressure of an oil injector, including a tubular detection shell 2, a sealing ring 16 is horizontally and fixedly connected to the upper portion of the inner side of the detection shell 2, two arc-shaped clamping blocks 13 are oppositely arranged on the upper side of the sealing ring 16, an adjusting threaded rod 14 horizontally arranged is rotatably connected to the outer side wall of each arc-shaped clamping block 13, the outer end of the adjusting threaded rod 14 penetrates out of the detection shell 2, a connecting pipeline 8 is fixedly connected to the lower portion of the inner side wall of the detection shell 2 in a sleeved mode, a piston moving plate 9 capable of vertically moving along the connecting pipeline 8 is connected to the inner side wall of the connecting pipeline 8 in the connecting pipeline 8, the circumferential side wall of the piston moving plate 9 contacts with the inner side wall of the connecting pipeline 8, and a pressure sensor 21 is arranged at the bottom of the piston moving plate 9.
The vertical rigid coupling in piston movable plate 9 bottom has elastic telescopic rod 18, elastic telescopic rod 18's bottom rigid coupling has removal clamp plate 22, and removal clamp plate 22 outside rigid coupling has cup jointed removal pipe 20, the horizontal rigid coupling in removal pipe 20 bottom has connecting rod 4, the equal vertical spiro union in connecting rod 4 both sides has the removal screw rod 5 of relative setting, the equal spiro union in every 5 upper portions of removal screw rod has regulating block 24, the common rigid coupling of two regulating block 24 upper surfaces has a go-between 23, and the rigid coupling is on 8 bottom faces of connecting tube on the go-between 23, pressure sensor 21 rigid coupling is in removal pipe 20, and one end and removal clamp plate 22 bottom looks butt.
Two thread grooves 10 are oppositely arranged on the outer side wall of the connecting pipeline 8, a fixing screw 6 is screwed in each thread groove 10, and the fixing screw 6 horizontally penetrates through the detection shell 2.
The lower part of each movable screw rod 5 is fixedly connected with a pushing plate 19, and the upper surface of the pushing plate 19 is tightly propped against the bottom of the connecting rod 4.
The bottom of each movable screw 5 is fixedly connected with a rotating plate 7, so that the movable screws 5 can be rotated by manual operation conveniently.
The display 3 with a data processing module is installed on the detection shell 2, the pressure sensor 21 is electrically connected with the data processing module, and the pressure condition detected by the pressure sensor 21 is displayed through the display 3.
The outer side wall of the detection shell 2 is fixedly connected with a mounting plate 12 corresponding to the adjusting threaded rod 14, a through hole 11 is formed in the detection shell 2 corresponding to the adjusting threaded rod 14, and the adjusting threaded rod 14 penetrates through the through hole 11 and the mounting plate 12 and is in threaded connection with the mounting plate 12.
The bottom of each arc-shaped fixture block 13 is bonded with a rubber sealing gasket 15, and the bottom of the rubber sealing gasket 15 is in contact with the upper surface of the sealing ring 16. In this embodiment, the rubber sealing gasket 15 is used for sealing the joint between the sealing ring 16 and the outer side of the fuel injector 1, so that the sealing effect of the whole detection device is improved.
The bottom of the sealing ring 16 is bonded with a sealing ring 17, so that the sealing effect of the sealing ring 16 is better.
The working process of the embodiment is as follows:
firstly, the detection shell 2 and the sealing ring 16 are sleeved on the outer side wall of the oil injector 1, then the adjusting threaded rod 14 is rotated, so that the detection shell 2 is fixedly installed on the oil injector 1 by the two arc-shaped clamping blocks 13, and the arranged rubber sealing gasket 15 and the sealing ring 17 can seal equipment; after the connecting pipeline 8 is inserted into the detection shell 2, the fixing screw 6 and the thread groove 10 are used for fixing the connecting pipeline and the detection shell, the moving screw 5 is rotated, then the moving screw 5 performs thread motion in the adjusting block 24, the moving screw 5 moves, and the connecting rod 4 is driven to move under the assistance of the pushing plate 19; after the connecting rod 4 moves, the moving guide tube 20 and the pressure sensor 21 which are installed on the connecting rod 4 move forwards, and the moving pressing plate 22 in the moving guide tube 20 can drive the elastic telescopic rod 18 and the piston moving plate 9 to continuously push inwards, so that the sealing space in the detection shell 2 is in a high-pressure state, and the oil pressure can be measured more accurately; after moving to a proper test position, the display 3 displays the current pressure in the closed space; starting an oil supply system at the rear end of the oil sprayer 1, so that the oil sprayer 1 sprays oil into the detection shell 2; the ejected oil pressure is converted into a driving force in the closed space to drive the piston moving plate 9 to move, then the pressure is transmitted to the moving pressing plate 22 and the pressure sensor 21 through the piston moving plate 9, and finally the pressure in the closed space is displayed through the display 3; the actual injection pressure of the injector 1 is determined based on the difference between the pressure values displayed by the display 3 before and after the injection of the injector 1.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides a sprayer actual oil spout pressure detection device which characterized in that: including pipy detection shell, the horizontal rigid coupling in inboard upper portion of detection shell has sealed ring, and be equipped with two arc fixture blocks relatively at sealed ring upside, all rotate the adjusting threaded rod that is connected with the level and sets up on every arc fixture block lateral wall, and the adjusting threaded rod outer end is worn out and is detected the shell setting, connecting tube has been cup jointed in detection shell inside wall lower part rigid coupling, connecting tube internal connection has the piston movable plate that can follow the vertical removal of connecting tube, piston movable plate circumference lateral wall contacts with the connecting tube inside wall, and piston movable plate bottom is equipped with pressure sensor.
2. The actual fuel injection pressure detection device of a fuel injector according to claim 1, characterized in that: the vertical rigid coupling in piston movable plate bottom has elastic telescopic rod, elastic telescopic rod's bottom rigid coupling has movable pressing plate, and movable pressing plate outside rigid coupling has cup jointed the removal pipe, the horizontal rigid coupling in removal pipe bottom has the connecting rod, the equal vertical spiro union in connecting rod both sides has the relative removal screw rod that sets up, the equal spiro union in every removal screw rod upper portion has the regulating block, the common rigid coupling of two regulating block upper surfaces has a go-between, and the rigid coupling is on the go-between connecting tube bottom face, the pressure sensor rigid coupling is in removing the pipe, and one end and movable pressing plate bottom looks butt.
3. The actual fuel injection pressure detection device of a fuel injector according to claim 1, characterized in that: two thread grooves are oppositely arranged on the outer side wall of the connecting pipeline, a fixing screw is screwed in each thread groove, and the fixing screw horizontally penetrates through the detection shell.
4. The actual fuel injection pressure detection device of a fuel injector according to claim 2, characterized in that: the lower part of each movable screw is fixedly connected with a pushing plate, and the upper surface of each pushing plate abuts against the bottom of the connecting rod.
5. The actual fuel injection pressure detection device of a fuel injector according to claim 4, characterized in that: the bottom of each movable screw is fixedly connected with a rotating plate.
6. The actual fuel injection pressure detection device of a fuel injector according to claim 1, characterized in that: the detection shell is provided with a display with a data processing module, and the pressure sensor is electrically connected with the data processing module.
7. The actual fuel injection pressure detection device of a fuel injector according to claim 1, characterized in that: the outer side wall of the detection shell is fixedly connected with a mounting plate corresponding to the adjusting threaded rod, a through hole is formed in the detection shell corresponding to the adjusting threaded rod, and the adjusting threaded rod penetrates through the through hole and the mounting plate and is connected with the mounting plate in a threaded mode.
8. The actual fuel injection pressure detection device of a fuel injector according to claim 1, characterized in that: the bottom of each arc-shaped clamping block is bonded with a rubber sealing gasket, and the bottom of the rubber sealing gasket is in contact with the upper surface of the sealing ring.
9. The actual fuel injection pressure detection device of a fuel injector according to claim 1, characterized in that: the bottom of the sealing ring is bonded with a sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211285655.9A CN115559844A (en) | 2022-10-20 | 2022-10-20 | Actual oil injection pressure detection device for oil injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211285655.9A CN115559844A (en) | 2022-10-20 | 2022-10-20 | Actual oil injection pressure detection device for oil injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115559844A true CN115559844A (en) | 2023-01-03 |
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ID=84746282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211285655.9A Pending CN115559844A (en) | 2022-10-20 | 2022-10-20 | Actual oil injection pressure detection device for oil injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115559844A (en) |
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2022
- 2022-10-20 CN CN202211285655.9A patent/CN115559844A/en active Pending
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