CN209979285U - Closed circuit sampler special for aviation oil quality detection - Google Patents
Closed circuit sampler special for aviation oil quality detection Download PDFInfo
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- CN209979285U CN209979285U CN201920590773.8U CN201920590773U CN209979285U CN 209979285 U CN209979285 U CN 209979285U CN 201920590773 U CN201920590773 U CN 201920590773U CN 209979285 U CN209979285 U CN 209979285U
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Abstract
The utility model discloses a closed circuit sampler of aviation oil quality testing is exclusively used in, include: the device comprises a base, a glass cylinder, a sealing cover assembly, a ball valve body, a handle assembly and a liquid taking assembly, wherein the sealing cover assembly is hinged to the upper end of the glass cylinder; the inside ball valve core of ball valve body communicates the aviation oil import of base, and the center of ball valve core has vertical case through-hole, and detachably is provided with the filtration separation blade in the case through-hole, and handle assembly includes the pivot and connects in the epaxial handle of commentaries on classics, and the pivot is connected with the coaxial dismantlement of valve rod in the below of base. The utility model discloses a whole detachably structural design, the convenience is dismantled ball valve body, and the convenience is maintained, is overhauld, is changed ball case and relevant part, avoids chemical water logging ware to fall into and gets into oil pipe-line system after in the closed circuit sampler, leads to oil pipe-line system to block up or the pollution of oil.
Description
Technical Field
The utility model belongs to the technical field of the technique that the aviation oil detected and specifically relates to a closed circuit sampler who is exclusively used in aviation oil quality testing is related to.
Background
The airplane refueling truck airport is a special vehicle specially used for refueling airplanes. When the aviation oil is filled into an airplane oil tank, the aviation oil needs to be sampled and detected, and the aviation oil qualified through chemical examination can be filled.
The existing closed-circuit sampler comprises a glass cylinder, a sample lifting cover, a sample detection port, an oil inlet and return valve seat, a ball valve and other parts. When the quality of oil products at the inlet and the outlet of the filter needs to be detected, the inlet and the outlet control ball valves need to be switched, the oil products enter a closed-circuit sampler through a pipeline, an operator sucks aviation oil through a needle cylinder, a chemical water detector is used for measuring the water content, and after the detection is finished, the ball valve at the bottom of the sampler is opened, and the aviation oil is quickly returned to a recovery oil tank. In addition, the existing oil inlet and outlet valve structure is generally formed by integrally constructing on a base, namely, a cavity for accommodating a ball valve core is constructed in the base, the ball valve core is arranged in the cavity, and a rotating shaft arranged in the base is connected with a valve rod, so that the rotation of the ball valve core is controlled to open and close the aviation oil.
However, under actual working conditions, at least one of the following defects exists:
1. the chemical water measurer is easy to fall off and fall into the closed-circuit sampler, so that the chemical water measurer enters the valve core of the ball valve and flows into an oil pipeline to influence the sampling and testing work of the closed-circuit sampler, and in actual operation, an operator usually opens the sample opening cover to suck and detect oil from the upper part, so that the situation is more easily caused;
2. in the actual use process, the integrated structure of the base and the ball valve core is inconvenient for replacing related parts such as the ball valve core and the like, once the internal ball valve core is damaged, the ball valve core matched with the internal ball valve core needs to be replaced to be continuously used, the maintenance cost is high, the maintenance time is delayed, and the normal detection of the aviation fuel is influenced;
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a closed circuit sampler of aviation oil quality detection is exclusively used in to solve above-mentioned at least one defect, its advantage, whole detachably structural design makes things convenient for the ball valve body to dismantle, conveniently maintains, overhauls, changes ball case and relevant part, avoids chemical water detector to fall into oil pipe-line system behind the closed circuit sampler, leads to oil pipe-line system to block up or the pollution of oil.
The above technical purpose of the present invention can be achieved by the following technical solutions: a closed circuit sampler for aviation oil quality detection, comprising:
the base is provided with a aviation oil inlet;
the two ends of the glass cylinder are opened, and the bottom end of the glass cylinder is hermetically connected with the base;
the cover component is hinged at the upper end of the glass cylinder and is used for covering the upper opening of the glass cylinder;
the ball valve body is detachably and fixedly connected to the bottom of the base, a ball valve core inside the ball valve body is communicated with the aviation fuel inlet of the base, and a valve rod of the ball valve body is exposed outside the base;
the center of the ball valve core is provided with a vertical valve core through hole, the filtering blocking piece is detachably arranged in the valve core through hole, and a plurality of circulation holes are formed in the filtering blocking piece;
the handle assembly is detachably connected to one side of the base and comprises a rotating shaft and a handle connected to the rotating shaft, and the rotating shaft is coaxially and detachably connected with the valve rod below the base;
and the liquid taking assembly is arranged on the other side of the base relative to the handle assembly and is communicated with the inside of the glass cylinder.
The utility model discloses further set up to: the bottom of the base is provided with a sinking groove on the aviation oil inlet, the ball valve body is embedded in the sinking groove, one end of the ball valve body, which is far away from the base, is provided with a liquid outlet flange, the liquid outlet flange is provided with a plurality of locking bolts, and the locking bolts are in threaded connection with a plurality of threaded mounting holes correspondingly arranged at the bottom of the base.
The utility model discloses further set up to: the pivot is horizontal gesture through dismantling the pedestal of fixed connection in base one side and rotates the below of supporting at the base, the pivot passes through keyway grafting cooperation with the valve rod, the pedestal restriction pivot axial displacement.
The utility model discloses further set up to: first annular has been seted up along the circumferencial direction to the side of filtering the separation blade, second annular has been seted up along the circumferencial direction on the inner wall of case through-hole, filter the separation blade through set up in the elastic component elasticity in first annular gomphosis in the second annular inslot.
The utility model discloses further set up to: the elastic piece is an O-shaped sealing ring.
The utility model discloses further set up to: the glass tube clamping device is characterized in that a fixing frame is arranged at the upper end of the glass tube and is in sealing connection with the glass tube, and the fixing frame and the base clamp the glass tube in the middle and are locked through a plurality of connecting rods for connecting the fixing frame and the base.
The utility model discloses further set up to: the sealing cover assembly comprises a cover body, a horizontal hinged shaft and a clamping plate fixedly connected to the upper surface of the cover body, the horizontal hinged shaft is horizontally arranged at one end of the fixing frame, the cover body is downwards overturned relative to an upper opening of the glass cylinder through the horizontal hinged shaft, and the clamping plate is connected with the fixing frame in a clamping mode.
The utility model discloses further set up to: and the joints of the base and the glass cylinder, and the joints of the fixing frame and the glass cylinder are provided with a circle of sealing gasket.
The utility model discloses further set up to: and a graduated scale is arranged on the wall of the glass cylinder.
The utility model discloses further set up to: the base is a stainless steel base.
To sum up, the utility model discloses a beneficial technological effect does:
1. the base, the ball valve body are independently designed, and the rotating shaft is arranged externally, so that when the ball valve body needs to be maintained and replaced, a related matching part does not need to be replaced, and the cost is relatively saved; the ball valve body is designed into a detachable ball valve body, so that the ball valve body can be quickly maintained and replaced, and the closed-circuit sampler can be quickly put into operation; the filtering separation blade is detachable, so that a chemical water measurer falling into the glass cylinder can be prevented from entering a pipeline system, the separation blade can block the chemical water measurer, and the detachable design of the filtering separation blade is favorable for later maintenance of the interior of the valve core body; the filtering separation blades are independently designed, so that the separation blades can be filtered and produced independently, and the ball valve core can adopt the existing ball valve core, only the ball valve core needs to be modified and can be matched with the filtering separation blades, so that the production cost is reduced, and the valve core body of the existing closed circuit sampler is favorably modified;
2. through the improvement to ball case, can with the great oil return hole of advancing of flow area dispersion a plurality of first flow through holes and second flow through hole to reduced flow area to a certain extent, avoided the hydrophone carelessly to drop and enter into the system pipeline from advancing the oil return hole, avoid the aviation oil pollution, improved the security of aviation oil sampling work.
Drawings
Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.
Fig. 2 is a partial structural sectional view of an embodiment of the present invention.
Fig. 3 is a cross-sectional view of a protruding closure assembly in accordance with an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a cover assembly according to an embodiment of the present invention.
Fig. 5 is a top view of a closure assembly in accordance with an embodiment of the present invention.
Fig. 6 is a schematic view of an installation structure of the ball valve body, the base and the handle assembly according to the embodiment of the present invention.
Fig. 7 is an exploded view of the mounting structure of the ball valve body and the base according to the embodiment of the present invention.
Fig. 8 is a top view of a ball valve cartridge according to an embodiment of the present invention.
Fig. 9 is a schematic sectional view taken along line a-a in fig. 8.
Fig. 10 is a schematic structural view of a filtering baffle according to an embodiment of the present invention.
Fig. 11 is a schematic structural diagram of a spring collar in an embodiment of the present invention.
In the figure, 1, a base; 11. an oil sump; 12. a aviation oil inlet; 13. a gasket; 14. sinking a groove; 2. a glass cylinder; 21. a graduated scale; 3. a closure assembly; 31. a fixed mount; 311. a card slot; 312. a flange; 32. a cover body; 33. a horizontal hinge shaft; 34. clamping a plate; 341. a hinge portion; 342. a clamping part; 35. a connecting rod; 36. fixing the bolt; 4. a ball valve body; 41. a housing; 42. a ball valve core; 421. a valve core through hole; 43. a valve stem; 44. a liquid outlet flange; 441. a connecting flange; 442. a connecting through hole; 443. a threaded mounting hole; 444. locking the bolt; 445. a mounting flange; 5. a handle assembly; 51. a pedestal; 52. a rotating shaft; 53. a shaft sleeve; 54. a flat bond; 55. a keyway; 56. a limiting ring; 57. a bushing; 58. a handle; 6. a liquid taking assembly; 61. a sample detection tube; 62. a sampling channel; 621. an inclined section; 7. filtering the separation blade; 71. a flow-through hole; 72. a first ring groove; 73. a second ring groove; 8. an O-shaped sealing ring; 81. a spring collar.
Detailed Description
Referring to fig. 1, for the utility model discloses a closed circuit sampler of aviation oil quality testing is exclusively used in, mainly include base 1, a glass section of thick bamboo 2, closing cap subassembly 3, ball valve body 4, handle subassembly 5 to and get liquid subassembly 6.
Referring to fig. 1 and 2, a base 1 is disposed at the bottom for bearing a glass cylinder 2, a cover assembly 3 is disposed at the upper portion of the glass cylinder 2 relative to the base for opening or closing the glass cylinder 2, the glass cylinder 2 is cylindrical, openings are formed at two ends of the glass cylinder 2, and the lower portion of the glass cylinder 2 is hermetically connected with the base 1 and the upper portion of the glass cylinder is hermetically connected with the cover assembly 3.
Preferably, a graduated scale 21 is arranged on the wall of the glass cylinder 2, and the graduated scale 21 can be arranged by spraying, offset printing and the like.
Specifically, the base 1 is disc-shaped, the upper surface of the base is provided with an oil groove 11, the oil groove 1 is shaped like a pot bottom, and the center of the oil groove 1 is provided with a navigation oil inlet 12 for the navigation oil to enter and exit. The upper part of the oil groove 11 and the base 1 are formed with steps along the circumferential direction, an annular sealing gasket 13 is placed on the steps, and the bottom edge of the glass cylinder 2 compresses the sealing gasket 13 to realize sealing. Preferably, the base 1 is made of a stainless steel material.
Referring to fig. 3 and 4, the capping assembly 3 mainly includes a fixing frame 31, a cover body 32, a horizontal hinge shaft 33, and a catch plate 34. The fixing frame 31 is a plate-shaped body, the middle portion of which is opened and is pressed and held at the upper end of the glass cylinder 2, and the sealing connection manner of the fixing frame and the glass cylinder 2 is the same as that of the oil groove 11 and the glass cylinder 2, which is not described in detail herein.
The fixing frame 31 is connected with the base 1 through a plurality of connecting rods 35 surrounding the glass cylinder 2, so as to clamp the glass cylinder 2 in the middle. Specifically, a plurality of threaded holes are equidistantly formed in the upper surface of the base 1 along the outer circumference of the oil groove 11, a plurality of connecting holes are formed in the fixing frame 31 corresponding to a plurality of threads, the connecting holes are through holes, the connecting rod 35 can be a double-threaded rod, one end of the double-threaded rod is connected to the threaded holes in a threaded mode, the other end of the double-threaded rod penetrates through the connecting holes, and the double-threaded rod is locked on the upper surface of the fixing frame 31 through nuts.
Referring to fig. 2 and 6, the ball valve body 4 is detachably connected to the bottom of the base 1 to facilitate later repair and replacement. Specifically, the bottom of the base 1 is provided with a sinking groove 14 on the aviation fuel inlet 12 for mounting the ball valve body 4. The ball valve body 4 includes that shell 41 and rotation set up the ball valve core 42 in the shell, and the vertical setting of ball valve body 4, its valve rod 43 are horizontal gesture, and when the gomphosis of ball valve body 43 was in this heavy inslot 14, its tip was contradicted in the bottom surface of heavy groove 14, and inside ball valve core 42 rotates and seals aviation oil import 12, can drive ball valve core 42 through driving valve rod 43 rotation and rotate to can realize opening and closing aviation oil import 12. It should be noted that the ball valve body 4 can be freely detached from the sink 14 without being fixed. The ball valve body 4 can adopt a common ball valve body on the market, such as: three-piece type internal thread ball valve.
Referring to fig. 6 and 7, a liquid outlet flange 44 is disposed at an end of the ball valve body 4 away from the base 1, the liquid outlet flange 44 may be connected with an end of the ball valve body 4 in an embedded manner, and the liquid outlet flange 44 and the ball valve body 4 may also be an integrated structure. The liquid outlet flange 44 is rectangular and parallel to the bottom surface of the base 1, an outlet for the oil to go in and out is formed in the middle of the liquid outlet flange 44, the outlet is concentrically communicated with the oil outlet of the ball valve body 4, a connecting flange 441 is formed on one surface, away from the base 1, of the outlet of the liquid outlet flange 44 and extends outwards and vertically along the circumferential direction, external threads are formed on the outer peripheral surface of the connecting flange 441, and when the closed-circuit sampler is vertically arranged, the closed-circuit sampler can be in threaded connection with a pipeline of a refueling truck through the connecting flange 441.
Four corners of the liquid outlet flange 44 are provided with four connecting through holes 442, the projection of the four connecting through holes 422 on the bottom surface of the base 1 surrounds the outer side of the sinking groove 14, the bottom surface of the base 1 is provided with threaded mounting holes 443 which are one-to-one corresponding to and concentric with the four connecting through holes 442, the four connecting through holes 442 are provided with locking bolts 444 in a penetrating manner, the locking bolts 444 penetrate through the connecting through holes 442 from the outer side of the liquid outlet flange 44 and are in threaded connection with the corresponding threaded mounting holes 443, so that the ball valve body 4 is locked at the bottom of the base 1.
Further, the bottom surface of the base 1 is provided with a circle of mounting flanges 445 on the outside of the countersunk openings, and four screw mounting holes are opened in the mounting flanges 445 at equal intervals in the circumferential direction of the mounting flanges 445.
Referring to fig. 2 and 6, the handle assembly 5 includes a shaft bracket 51 fixedly coupled to a side surface of the base 1 by bolts, the shaft bracket 51 has a plate shape, a plate surface of the shaft bracket 51 is perpendicular to a bottom surface of the base 1, a portion of the shaft bracket 51 is suspended below the bottom surface of the base 1, and the shaft bracket 51 is provided with a shaft hole through which the shaft 51 passes in a horizontal posture and is coaxially and detachably coupled to the valve rod 43 leaking to the base 1. Specifically, a shaft sleeve 53 is arranged at one end of the rotating shaft 52 close to the ball valve body 4, the connecting mode of the rotating shaft 52 and the shaft sleeve 53 can be in interference fit or can be in an integrated structure, a flat key 54 is milled at the front end of the valve rod 43, a key groove 55 matched with the flat key 54 is formed in a hole in the shaft sleeve 53, and the rotating shaft 52 is matched with the key groove of the valve rod 43 through the shaft sleeve 53.
The rotating shaft 52 is provided with a limiting ring 56, and the limiting ring 56 is abutted against the inner side of the shaft bracket 51 and used for limiting the rotating shaft 52 to move axially outwards; in order to reduce the abrasion between the rotating shaft 52 and the shaft hole and between the limiting ring 56 and the shaft bracket 51 caused by rotation, a bushing 57 is embedded in the shaft hole, and the outer ring of the bushing 57 covers the contact surfaces between the rotating shaft 52 and the shaft hole and between the limiting ring 56 and the shaft bracket 51; the end of the rotating shaft 52 far away from the valve rod 43 is provided with a handle 58, the side of the handle 58 near the lower part is provided with a mounting hole, the end of the rotating shaft 43 is provided with a radial threaded hole, the end of the rotating shaft 43 is inserted into the mounting hole, and the side of the handle 58 penetrates into the mounting hole through a screw and is in threaded connection with the threaded hole, so that the fixing of the rotating shaft 43 and the handle 58 is completed.
Firstly, the ball valve body 4 is integrally inserted into the sinking groove 14, and the ball valve body 4 is integrally fixed on the base 1 through four locking bolts 444; then, one end of the rotating shaft 52, which is provided with a shaft sleeve 53, is matched with the key groove of the valve rod 43, then the shaft bracket 51 is arranged on the rotating shaft 52 in a penetrating way from the other end of the rotating shaft 52 and is tightly propped against the limiting ring 56, and the shaft bracket 51 is locked on the side surface of the base 1 through a bolt; finally, the shaft 52 is fixed to the handle 58.
The disassembly process of the ball valve body 4 of this embodiment is:
firstly, the bolt for fixing the shaft bracket 51 is unscrewed, and the rotating shaft 52, the handle 58 and the shaft bracket 51 are pulled backwards together, so that the rotating shaft 52 is separated from the valve rod 43; then, the four lock bolts 444 for fixing the ball valve body 4 are unscrewed, and the ball valve body 4 as a whole can be detached from the base 1.
Referring to fig. 2 and 6, the liquid taking assembly 6 comprises a sample detecting tube 61, a sampling channel 62 is opened at the bottom of the base 1, the sample detecting tube 61 is connected with the sampling channel 62, the sampling channel 62 has a section of inclined section 621 from the inside of the glass cylinder 2 to the outside of the glass cylinder 2, so that the aviation oil can smoothly flow out when the sample detecting tube 61 is opened.
Referring to fig. 2, 8 and 9, a valve core through hole 421 communicating with the oil outlet of the ball valve body 4 is formed in the ball valve core 42, the cross section of the valve core through hole is circular, a filtering baffle 7 is detachably arranged in the valve core through hole 421, a plurality of flow holes 71 are formed in the filtering baffle 7, the filtering baffle 7 can ensure that the aviation oil normally passes through, but can ensure that the chemical water meter cannot pass through the filtering baffle 7.
Referring mainly to fig. 9, specifically, the filtering baffle 7 is circular and has a certain thickness, a first annular groove 72 is formed on the outer side surface of the filtering baffle 7, a second annular groove 72 is formed on the inner wall of the valve core through hole 421 along the circumferential direction, an elastic member is arranged in the first annular groove 72, and the filtering baffle 7 is embedded in the second annular groove 72 through the elastic member. Preferably, the filter plate 7 is a stainless steel filter plate.
Referring to fig. 9, the elastic member may be an aviation oil resistant elastic member, which can reduce the corrosion of aviation oil to the elastic member and ensure the service life of the elastic member. In one example, the elastic member may be an O-ring 8, the O-ring 8 is engaged in the first groove 72 of the filter flap 7, and then the filter flap 7 is pressed into the valve core through hole 421 from the upper opening of the valve core through hole 421 until the filter flap 7 is engaged in the second groove 73 by the O-ring 8, thereby completing the installation of the filter flap 7. In another example, the resilient member may be selected from a spring collar 81 (see fig. 11), the spring collar 81 being a bore spring collar, the spring collar 81 being engaged in the first annular groove 72 of the filter flap 7, and then the filter flap 7 being pressed into the cartridge passage hole 421 in the same manner until the filter flap 7 is engaged in the second annular groove 73.
In order to facilitate installation of the filtering baffle 7 on one hand and removal of the chemical water meter when the chemical water meter is inadvertently dropped into the glass cylinder 2 on the other hand, the filtering baffle 7 is preferably located at the upper portion of the valve core through hole 421, i.e., closer to the glass cylinder 2. Further, the filter flap 7 may be provided at the orifice of the spool through-hole 421, with the upper surface of the filter flap 7 almost flush with the orifice.
Referring to fig. 9 and 10, the sum of the flow areas of the plurality of flow holes 71 is almost 23% to 25% of the total flow area of the valve core through hole 421, so that the normal flow of the aviation oil can be ensured. Further, the circulation holes 71 include a first circulation hole 711 and a second circulation hole 712, the number of the first circulation hole 711 and the number of the second circulation hole 712 are three, and the size of any one circulation hole 71 in the first circulation hole 711 and the second circulation hole 712 does not allow the chemical water meter to pass through; the three first flow holes 711 are formed in a central circumferential array of the spool through hole 421, the three second flow holes 712 are also formed in a central circumferential array of the spool through hole 421, and the three second flow holes 712 are located outside the three first flow holes 711 and are arranged in a staggered manner. Preferably, the diameter of the second circulation hole 712 is smaller than the diameter of the first circulation hole 711.
In one example, the diameter of both the upper and lower end faces of the filter baffle 7 is 24.7mm, the diameter of the three first flow holes 711 is 7mm, the diameter of the three second flow holes 712 is 3mm, the thickness of the filter baffle 7 is 5mm, the groove width of the first ring groove 72 is 2.4mm, the groove width of the second ring groove 73 is less than 2.4mm, and each dimension allows an error of 0.03 mm.
Through the detachable filtering baffle 7 and the plurality of circulation holes 71 formed in the filtering baffle 7, the normal circulation detection of the aviation fuel is ensured, the chemical water detector which accidentally falls into the glass cylinder can be blocked, and the detachable structure can realize the later maintenance of the ball valve core; during production, the filtering separation blade 7 can be produced independently, only an annular groove needs to be formed in the traditional ball valve core 42, the problem can be solved by matching the independent filtering separation blade 7, and the transformation cost is low.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. A closed circuit sampler special for aviation oil quality detection is characterized in that: the method comprises the following steps:
the device comprises a base (1), wherein a aviation oil inlet (12) is formed in the base (1);
the two ends of the glass cylinder (2) are open, and the bottom end of the glass cylinder is hermetically connected with the base (1);
the cover component (3) is hinged at the upper end of the glass cylinder (2) and is used for covering the upper opening of the glass cylinder (2);
the ball valve body (4) is detachably and fixedly connected to the bottom of the base (1), a ball valve core (42) inside the ball valve body (4) is communicated with the aviation oil inlet (12) of the base (1), and a valve rod (43) of the ball valve body (4) is exposed outside the base (1);
the ball valve comprises a filtering baffle (7), wherein a vertical valve core through hole (421) is formed in the center of the ball valve core (42), the filtering baffle (7) is detachably arranged in the valve core through hole (421), and a plurality of circulation holes (71) are formed in the filtering baffle (7);
the handle assembly (5) is detachably connected to one side of the base (1), the handle assembly (5) comprises a rotating shaft (52) and a handle (58) connected to the rotating shaft (52), and the rotating shaft (52) is coaxially and detachably connected with the valve rod (43) below the base (1);
and the liquid taking assembly (6) is arranged on the other side of the base (1) relative to the handle assembly (5) and is communicated with the inside of the glass cylinder (2).
2. The closed-circuit sampler special for aviation oil quality detection as claimed in claim 1, wherein: the bottom of the base (1) is provided with a sinking groove (14) on a navigation oil inlet (12), the ball valve body (4) is embedded in the sinking groove (14), one end, far away from the base (1), of the ball valve body (4) is provided with a liquid outlet flange (44), the liquid outlet flange (44) is provided with a plurality of locking bolts (444), and the locking bolts (444) are in threaded connection with a plurality of threaded mounting holes (443) correspondingly arranged at the bottom of the base (1).
3. The closed-circuit sampler special for aviation oil quality detection as claimed in claim 2, wherein: pivot (52) are horizontal gesture through dismantling pedestal (51) of fixed connection in base (1) one side and rotate the below of supporting in base (1), pivot (52) and valve rod (43) are through keyway (55) cooperation of pegging graft, pedestal (51) restriction pivot (52) axial displacement.
4. The closed-circuit sampler special for aviation oil quality detection as claimed in claim 1, wherein: first annular (72) have been seted up along the circumferencial direction to the side of filtering separation blade (7), second annular (73) have been seted up along the circumferencial direction on the inner wall of case through-hole (421), filtering separation blade (7) through set up the elastic component elasticity gomphosis in first annular (72) in second annular (73).
5. The closed-circuit sampler special for aviation oil quality detection as claimed in claim 4, wherein: the elastic piece is an O-shaped sealing ring (8).
6. The closed-circuit sampler special for aviation oil quality detection as claimed in claim 1, wherein: the upper end of a glass section of thick bamboo (2) is provided with mount (31), mount (31) with a glass section of thick bamboo (2) sealing connection, mount (31) with base (1) together will a glass section of thick bamboo (2) centre gripping is in the centre to locking through connecting rod (35) of a plurality of connection mounts (31) and base (1).
7. The closed-circuit sampler special for aviation oil quality detection as claimed in claim 6, wherein: the sealing cover assembly (3) comprises a cover body (32), a horizontal hinged shaft (33) and a clamping plate (34) fixedly connected to the upper surface of the cover body (32), the horizontal hinged shaft (33) is horizontally arranged at one end of the fixing frame (31), the cover body (32) is downwards overturned relative to an upper opening of the glass tube (2) through the horizontal hinged shaft (33), and the clamping plate (34) is connected with the fixing frame (31) in a clamping mode.
8. The closed-circuit sampler special for aviation oil quality detection as claimed in claim 6, wherein: the joint of the base (1) and the glass cylinder (2) and the joint of the fixing frame (31) and the glass cylinder (2) are provided with a circle of sealing gasket (13).
9. The closed-circuit sampler special for aviation oil quality detection as claimed in claim 1, wherein: and a graduated scale (21) is arranged on the wall of the glass cylinder (2).
10. The closed-circuit sampler special for aviation oil quality detection as claimed in claim 1, wherein: the base (1) is a stainless steel base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920590773.8U CN209979285U (en) | 2019-04-26 | 2019-04-26 | Closed circuit sampler special for aviation oil quality detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920590773.8U CN209979285U (en) | 2019-04-26 | 2019-04-26 | Closed circuit sampler special for aviation oil quality detection |
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| Publication Number | Publication Date |
|---|---|
| CN209979285U true CN209979285U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920590773.8U Active CN209979285U (en) | 2019-04-26 | 2019-04-26 | Closed circuit sampler special for aviation oil quality detection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031260A (en) * | 2019-04-26 | 2019-07-19 | 北京科瑞乐航空油料设备有限公司 | A kind of closed circuit sampler being exclusively used in aviation fuel quality testing |
-
2019
- 2019-04-26 CN CN201920590773.8U patent/CN209979285U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031260A (en) * | 2019-04-26 | 2019-07-19 | 北京科瑞乐航空油料设备有限公司 | A kind of closed circuit sampler being exclusively used in aviation fuel quality testing |
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