CN219495772U - Convenient stable operation's aviation oil sample cylinder - Google Patents
Convenient stable operation's aviation oil sample cylinder Download PDFInfo
- Publication number
- CN219495772U CN219495772U CN202223471203.8U CN202223471203U CN219495772U CN 219495772 U CN219495772 U CN 219495772U CN 202223471203 U CN202223471203 U CN 202223471203U CN 219495772 U CN219495772 U CN 219495772U
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- CN
- China
- Prior art keywords
- ring
- needle cylinder
- semi
- wall
- fixedly connected
- Prior art date
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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000005070 sampling Methods 0.000 claims abstract description 16
- 210000002445 nipple Anatomy 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 239000000446 fuel Substances 0.000 abstract description 11
- 238000000605 extraction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model discloses a convenient and stable-operation aviation oil sampling needle cylinder which comprises a needle cylinder, wherein a piston assembly is arranged in the needle cylinder, a limiting mechanism is arranged on the outer wall of the needle cylinder and comprises a first semi-ring and a second semi-ring, a rotating mechanism is arranged between the first semi-ring and the second semi-ring, a fixing mechanism is arranged between the first semi-ring and the second semi-ring, the bottom end of the first semi-ring is fixedly connected with a connecting rod, and the bottom end of the connecting rod is fixedly connected with a limiting plate. According to the utility model, by means of the arrangement of the first semi-ring, the second semi-ring, the connecting rod and the limiting plate, the first semi-ring and the second semi-ring are fixed on the outer wall of the needle cylinder and correspond to the required scales, when the piston is pulled to move downwards to extract, the moving length of the piston can be limited through the limiting plate, so that the piston cannot move after reaching the required position, the required aviation fuel quantity is extracted, and the accuracy of the needle cylinder in use is improved.
Description
Technical Field
The utility model relates to the technical field of sampling needle cylinders, in particular to an aviation oil sampling needle cylinder convenient and stable to operate.
Background
The aviation fuel is required to be tested for water before being used, whether the aviation fuel reaches the usable standard is determined, the quantitative aviation fuel is extracted and detected through the sampling needle cylinder at present, the sampling needle cylinder is transparent, scale marks are arranged on the outer wall of the sampling needle cylinder, the aviation fuel amount can be determined and extracted through the position of the piston on the scale marks, but the piston is directly pulled and moved in general, so that the piston cannot stop in time at the scale marks of the required amount during quantitative extraction, the aviation fuel amount extracted by the needle cylinder is inaccurate, and the use accuracy of the sampling needle cylinder is reduced.
Disclosure of Invention
The utility model aims to provide an aviation oil sampling needle cylinder convenient and stable to operate, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the aviation oil sampling needle cylinder convenient and stable to operate comprises a needle cylinder, wherein a piston assembly is arranged in the needle cylinder;
a limiting mechanism is arranged on the outer wall of the needle cylinder;
the limiting mechanism comprises a first semi-ring and a second semi-ring, a rotating mechanism is arranged between the first semi-ring and the second semi-ring, a fixing mechanism is arranged between the first semi-ring and the second semi-ring, the bottom end of the first semi-ring is fixedly connected with a connecting rod, and the bottom end of the connecting rod is fixedly connected with a limiting plate.
Preferably, the top of the needle cylinder is provided with a nipple, the bottom of the outer wall of the needle cylinder is fixedly connected with two connecting sheets, and the outer wall of the needle cylinder is provided with scale marks.
Preferably, the piston assembly comprises a piston block, the piston block is movably inserted and connected to the inner wall of the needle cylinder, the outer wall of the piston block is in interference fit with the inner wall of the needle cylinder, a movable rod is arranged at the bottom end of the piston block, and a pressing plate is fixedly connected to the bottom end of the movable rod.
Preferably, the clamping groove is formed in the bottom end of the piston block, a clamping block is fixedly connected to the top end of the movable rod, and the clamping block is clamped to the inner wall of the clamping groove.
Preferably, the rotating mechanism comprises a rotating block, the rotating block is fixedly connected to one side of the second semi-ring, a rotating groove is formed in one side of the first semi-ring, rotating holes are formed in the top end and the bottom end of the inner wall of the rotating groove, rotating shafts are fixedly connected to the top end and the bottom end of the rotating block, and the outer walls of the rotating shafts are respectively connected with the inner walls of the two rotating holes in a rotating mode.
Preferably, the fixing mechanism comprises a first connecting plate and a second connecting plate, the first connecting plate is fixedly connected to the side of the first semi-ring, the second connecting plate is fixedly connected to the side of the second semi-ring, a screw is fixedly connected to the front face of the first connecting plate, a connecting groove is formed in the front face of the second connecting plate, the screw is movably inserted into the inner wall of the connecting groove, a nut is sleeved on the outer wall thread of the screw, and rubber pads are attached to the inner walls of the first semi-ring and the second semi-ring.
The utility model has the technical effects and advantages that:
(1) According to the utility model, by means of the arrangement of the first semi-ring, the second semi-ring, the connecting rod and the limiting plate, the first semi-ring and the second semi-ring are fixed on the outer wall of the needle cylinder and correspond to the required scales, when the piston is pulled to move downwards to extract, the moving length of the piston can be limited through the limiting plate, so that the piston cannot move after reaching the required position, the required aviation fuel quantity is extracted, and the use accuracy of the needle cylinder is improved;
(2) According to the utility model, the rubber pad is used for avoiding damage to the outer wall of the needle cylinder caused by hard extrusion when the first semi-ring and the second semi-ring are fixed, so that the needle cylinder is protected and the needle cylinder is prevented from being deformed by compression.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
FIG. 2 is a schematic perspective view of a first half-ring according to the present utility model.
FIG. 3 is a second perspective view of the first half ring of the present utility model.
Fig. 4 is a schematic view of a partial enlarged structure at a of fig. 3 according to the present utility model.
FIG. 5 is a schematic side cross-sectional view of a rotor block according to the present utility model.
FIG. 6 is a schematic diagram of a front cross-sectional structure of a piston block of the present utility model.
In the figure: 11. a needle cylinder; 12. scale marks; 13. nipple; 14. a movable rod; 15. a pressing plate; 16. a connecting sheet; 17. a piston block; 18. a clamping groove; 19. a clamping block; 21. a first half ring; 22. a second half ring; 23. a connecting rod; 24. a limiting plate; 31. a first connection plate; 32. a second connecting plate; 33. a screw; 34. a connecting groove; 35. a nut; 41. a rubber pad; 51. a rotary groove; 52. a rotating block; 53. a turning hole; 54. a rotating shaft.
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.
The utility model provides an aviation oil sampling needle cylinder which is convenient and stable to operate as shown in fig. 1-6, comprising a needle cylinder 11, wherein a piston assembly is arranged in the needle cylinder 11;
the outer wall of the needle cylinder 11 is provided with a limiting mechanism, the limiting mechanism comprises a first half ring 21 and a second half ring 22, a rotating mechanism is arranged between the first half ring 21 and the second half ring 22, a fixing mechanism is arranged between the first half ring 21 and the second half ring 22, the bottom end of the first half ring 21 is fixedly connected with a connecting rod 23, the bottom end of the connecting rod 23 is fixedly connected with a limiting plate 24, after the needle cylinder 11 is fixed through the fixing mechanism, the first half ring 21 and the second half ring 22 are aligned to one scale position of a scale mark 12, at the moment, the limiting plate 24 is fixed through the connection of the connecting rod 23, a piston assembly is stopped in the moving process until the piston assembly abuts against the limiting plate 24, at the moment, the stopping position of a piston block 17 is the scale position aligned to the first half ring 21 and the second half ring 22, and accordingly the needle cylinder 11 finishes quantitative extraction of aviation fuel;
the top end of the needle cylinder 11 is provided with a nipple 13, the bottom of the outer wall of the needle cylinder 11 is fixedly connected with two connecting sheets 16, and the outer wall of the needle cylinder 11 is provided with scale marks 12;
the piston assembly comprises a piston block 17, the piston block 17 is movably connected to the inner wall of the needle cylinder 11 in a penetrating way, the outer wall of the piston block 17 is in interference fit with the inner wall of the needle cylinder 11, the bottom end of the piston block 17 is provided with a movable rod 14, and the bottom end of the movable rod 14 is fixedly connected with a pressing plate 15;
the bottom end of the piston block 17 is provided with a clamping groove 18, the top end of the movable rod 14 is fixedly connected with a clamping block 19, and the clamping block 19 is clamped on the inner wall of the clamping groove 18;
the rotating mechanism comprises a rotating block 52, the rotating block 52 is fixedly connected to one side of the second half ring 22, a rotating groove 51 is formed in one side of the first half ring 21, rotating holes 53 are formed in the top end and the bottom end of the inner wall of the rotating groove 51, rotating shafts 54 are fixedly connected to the top end and the bottom end of the rotating block 52, the outer walls of the two rotating shafts 54 are respectively and rotatably connected with the inner walls of the two rotating holes 53, and the first half ring 21 and the second half ring 22 can rotate and are connected through the rotating shafts 54 rotating in the rotating holes 53;
the fixing mechanism comprises a first connecting plate 31 and a second connecting plate 32, wherein the first connecting plate 31 is fixedly connected to the side of the first half ring 21, the second connecting plate 32 is fixedly connected to the side of the second half ring 22, a screw rod 33 is fixedly connected to the front face of the first connecting plate 31, a connecting groove 34 is formed in the front face of the second connecting plate 32, the screw rod 33 is movably inserted into the inner wall of the connecting groove 34, nuts 35 are sleeved on the outer wall threads of the screw rod 33, rubber pads 41 are attached to the inner walls of the first half ring 21 and the second half ring 22, the rubber pads 41 prevent the needle cylinder 11 from being clamped and flattened by the first half ring 21 and the second half ring 22, so that the stability of the needle cylinder 11 in use is improved, the screw rod 33 penetrates through the connecting groove 34 and then is screwed against the second connecting plate 32 through the nuts 35, and the fixing of the first connecting plate 31 and the second half ring 22 is completed, and the first half ring 21 and the second half ring 22 are stably sleeved on the outer wall of the needle cylinder 11.
The working principle of the utility model is as follows:
when it is desired to quantitatively extract aviation fuel, first half ring 21 and second half ring 22 are placed on the outer wall of needle cylinder 11, then the positions of corresponding graduation marks 12 are aligned by first half ring 21 and second half ring 22, nuts 35 are screwed down, so that first half ring 21 and second half ring 22 are fixed on the outer wall of needle cylinder 11, at this time, pressing plate 15 is pulled, pressing plate 15 moves so that movable rod 14 drives piston block 17 to move, aviation fuel is drawn into needle cylinder 11 until pressing plate 15 abuts against limiting plate 24, at this time piston block 17 moves to the positions of graduation marks 12 aligned by first half ring 21 and second half ring 22, and quantitative extraction of aviation fuel is completed.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present 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, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The aviation oil sampling needle cylinder convenient and stable to operate comprises a needle cylinder (11), wherein a piston assembly is arranged in the needle cylinder (11);
the method is characterized in that: a limiting mechanism is arranged on the outer wall of the needle cylinder (11);
stop gear includes first semi-ring (21) and second semi-ring (22), be provided with slewing mechanism between first semi-ring (21) and second semi-ring (22), be provided with fixed establishment between first semi-ring (21) and second semi-ring (22), the bottom fixedly connected with connecting rod (23) of first semi-ring (21), the bottom fixedly connected with limiting plate (24) of connecting rod (23).
2. The aviation oil sampling needle cylinder convenient and stable to operate according to claim 1, wherein a nipple (13) is arranged at the top end of the needle cylinder (11), two connecting sheets (16) are fixedly connected to the bottom of the outer wall of the needle cylinder (11), and graduation marks (12) are arranged on the outer wall of the needle cylinder (11).
3. The aviation oil sampling needle cylinder convenient and stable to operate according to claim 1, wherein the piston assembly comprises a piston block (17), the piston block (17) is movably inserted and connected to the inner wall of the needle cylinder (11), the outer wall of the piston block (17) is in interference fit with the inner wall of the needle cylinder (11), a movable rod (14) is arranged at the bottom end of the piston block (17), and a pressing plate (15) is fixedly connected to the bottom end of the movable rod (14).
4. The aviation oil sampling needle cylinder convenient and stable to operate according to claim 3, wherein a clamping groove (18) is formed in the bottom end of the piston block (17), a clamping block (19) is fixedly connected to the top end of the movable rod (14), and the clamping block (19) is clamped to the inner wall of the clamping groove (18).
5. The aviation oil sampling needle cylinder convenient and stable to operate according to claim 1, wherein the rotating mechanism comprises rotating blocks (52), the rotating blocks (52) are fixedly connected to one side of the second half ring (22), rotating grooves (51) are formed in one side of the first half ring (21), rotating holes (53) are formed in the top end and the bottom end of the inner wall of each rotating groove (51), rotating shafts (54) are fixedly connected to the top end and the bottom end of each rotating block (52), and the outer walls of the two rotating shafts (54) are respectively connected with the inner walls of the two rotating holes (53) in a rotating mode.
6. The aviation oil sampling needle cylinder convenient and stable to operate according to claim 1, characterized in that the fixing mechanism comprises a first connecting plate (31) and a second connecting plate (32), the first connecting plate (31) is fixedly connected to the side of the first semi-ring (21), the second connecting plate (32) is fixedly connected to the side of the second semi-ring (22), a screw rod (33) is fixedly connected to the front face of the first connecting plate (31), a connecting groove (34) is formed in the front face of the second connecting plate (32), the screw rod (33) is movably inserted into the inner wall of the connecting groove (34), a nut (35) is sleeved on the outer wall threads of the screw rod (33), and rubber pads (41) are attached to the inner walls of the first semi-ring (21) and the second semi-ring (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223471203.8U CN219495772U (en) | 2022-12-23 | 2022-12-23 | Convenient stable operation's aviation oil sample cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223471203.8U CN219495772U (en) | 2022-12-23 | 2022-12-23 | Convenient stable operation's aviation oil sample cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219495772U true CN219495772U (en) | 2023-08-08 |
Family
ID=87511906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223471203.8U Active CN219495772U (en) | 2022-12-23 | 2022-12-23 | Convenient stable operation's aviation oil sample cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219495772U (en) |
-
2022
- 2022-12-23 CN CN202223471203.8U patent/CN219495772U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240108 Address after: 710000, No. 39 Guangde Road, east of Guangde Road, south of Zhiping Street, Airport New City, Xixian New District, Xi'an City, Shaanxi Province Patentee after: SHAANXI AERONAUTICAL SURFACE ENGINEERING Co.,Ltd. Address before: No. 206, Fenghuang Beiheng Road, Yongning Street, Zengcheng District, Guangzhou City, Guangdong Province, 510000 Patentee before: Qian Huanbin |