CN110748643B - Anti-loosening sealing cover based on pressure container for aerospace power test - Google Patents
Anti-loosening sealing cover based on pressure container for aerospace power test Download PDFInfo
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- CN110748643B CN110748643B CN201911044486.8A CN201911044486A CN110748643B CN 110748643 B CN110748643 B CN 110748643B CN 201911044486 A CN201911044486 A CN 201911044486A CN 110748643 B CN110748643 B CN 110748643B
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- sealing cover
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J13/00—Covers or similar closure members for pressure vessels in general
- F16J13/02—Detachable closure members; Means for tightening closures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
- G01M3/3209—Details, e.g. container closure devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
- G01M3/3236—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers
- G01M3/3272—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers for verifying the internal pressure of closed containers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention discloses a looseness-prevention sealing cover based on a pressure container for an aerospace power test, which comprises a container body, an inner sealing cover and an outer sealing cover, wherein the bottom of the inner sealing cover is in compression joint with the top of the container body, the tops of the periphery of the container body are fixedly connected with threaded seats, the periphery of the inner sealing cover is fixedly connected with bolt sleeves, and bolts are in threaded connection between the bolt sleeves and the inner surface of the threaded seats. This locking sealed lid that moves based on pressure vessel for space flight power test, through setting up the bolt, the cooperation of screw thread seat and bolt cover, can press interior sealed lid and carry out the one deck at the vessel body top and seal, it uses to recycle external seal lid cooperation external screw thread cover, can reach secondary seal's effect, the leakproofness has been improved, utilize the cooperation of ring gear and tooth cap, make the external seal lid when screwing, can drive four bolts in step and rotate, need not manually to screw up four bolts one by one, a large amount of time has been saved, high durability and convenient use.
Description
Technical Field
The invention relates to the technical field of sealing covers, in particular to an anti-loosening sealing cover based on a pressure container for an aerospace power test.
Background
The pressure container is a closed device which contains gas or liquid and bears certain pressure. In order to implement scientific management and safety supervision more effectively, pressure vessels are divided into three categories according to working pressure, medium hazard and the effect of the medium hazard in production in the pressure vessel safety supervision regulations in China, and different regulations are made on the design and manufacturing processes, inspection items, contents and modes of the pressure vessels of each category. The pressure container has wide application range, and has important position and function in many departments of industry, civil use, military industry and the like and many fields of scientific research. Among them, the pressure vessels used in the petrochemical industry alone account for about 50% of the total number of pressure vessels, in order to be used in the chemical industry and the petrochemical industry at most. The pressure container is mainly used for the technical processes of heat transfer, mass transfer, reaction and the like, and storing and transporting gas or liquefied gas with pressure in the fields of chemical industry and petrochemical industry; the air compressor, various special compressors and auxiliary machines (such as coolers, buffers, oil-water separators, gas storage tanks, evaporators, liquid refrigerant storage tanks and the like) of the refrigeration compressor belong to pressure vessels.
The existing pressure vessel needs to keep absolute sealing performance in the experimental process, the experimental result is prevented from being influenced, but the sealing cover of the existing pressure vessel is generally only a simple layer of sealing cover to be pressed on the top of the pressure vessel and is fastened through a bolt, but only a layer of sealing cover is arranged, the problem of leakage still can occur under the condition of large air pressure and the condition of long-time use, and a small amount of slow leakage cannot be found in the first time.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a looseness-preventing sealing cover of a pressure container for an aerospace power test, which solves the problems that the sealing cover of the existing pressure container is generally only a simple layer of sealing cover pressed on the top of the pressure container and fastened through a bolt, but only one layer of sealing cover is arranged, the leakage still occurs under the conditions of high air pressure and long-time use, and a small amount of slow leakage cannot be discovered at first time.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a locking sealed lid that moves based on pressure vessel for space flight power test, includes vessel, interior sealing cover and outer sealing cover, the bottom of interior sealing cover and the top crimping of vessel, the equal fixedly connected with screw thread seat in vessel top all around, the equal fixedly connected with bolt cover all around of interior sealing cover, and threaded connection has the bolt between the internal surface of bolt cover and screw thread seat, the top fixedly connected with tooth cap of bolt, outer sealing cover establishes in the outside of interior sealing cover, and the internal surface fixedly connected with of outer sealing cover has the ring gear with the surface of tooth cap engaged with, the bottom fixedly connected with external screw thread cover of the external surface of bolt cover and the bottom that is located the screw thread seat, and the top threaded connection of external screw thread cover external surface of external sealing cover internal surface, the top that the external sealing cover saved the internal surface in a large amount of time and be located the bolt has saved a large amount of time fixedly connected with clamping ring directly over has saved a large amount of time, the top of the internal surface of the external sealing cover is saved a large amount of time, the pressing ring is arranged at the top of the internal surface of the external sealing cover, the pressing plate is fixedly connected with the inner side of the internal sealing cover, the large amount of time is saved, and the bottom of the pressing plate is in compression joint with the top of the internal sealing cover.
Preferably, the bottom of the inner sealing cover is fixedly connected with a first sealing rubber ring at a position contacted with the top of the container body, a second sealing rubber ring is glued to the top of the external thread sleeve, and the top of the second sealing rubber ring is in compression joint with the inner surface of the outer sealing cover.
Preferably, the center of the top of the outer sealing cover is fixedly connected with an outer detection sleeve, the center of the top of the inner surface of the outer sealing cover is fixedly connected with an inner detection sleeve, and an indication rod penetrates through the outer detection sleeve, the inner detection sleeve and the outer sealing cover.
Preferably, the bottom end of the indication rod is fixedly connected with a sliding block inside the inner detection sleeve, the surface of the sliding block is connected with the inner surface of the inner detection sleeve in a sliding mode, and a sealing rubber sheet is fixedly connected to the top of the sliding block.
Preferably, the top end of the indicating rod is fixedly connected with a rubber ball above the outer detection sleeve, and the top of the surface of the indicating rod, which is located on the inner surface of the outer detection sleeve, is provided with an indicating ring.
Preferably, the inner surface of the outer detection sleeve is fixedly connected with a sealing rubber sleeve, and the sealing rubber sleeve is sleeved on the surface of the indication rod.
Preferably, the circumference of the outer sealing cover is fixedly connected with four pushing handles which are circumferentially and equidistantly arranged.
Preferably, the external thread sleeve and the outer surface of the container body are fixed through welding and sealed by glass cement, and the surface of the bolt is in sliding connection with the inner surface of the bolt sleeve.
Preferably, the surface cover that promotes the handle is equipped with the slip cardboard, and the bottom of slip cardboard is provided with the latch, the fixed surface of outer sealing lid is connected with the stop collar, and the stop collar cover establishes in the outside of slip cardboard, the surface of external screw thread cover just is located the slip cardboard and is connected with the draw-in groove board under fixedly, and the tooth's socket with slip cardboard bottom latch looks adaptation is seted up at the top of draw-in groove board.
(III) advantageous effects
The invention provides an anti-loosening sealing cover based on a pressure container for an aerospace power test. Compared with the prior art, the method has the following beneficial effects:
(1) the anti-loosening sealing cover based on the pressure container for the aerospace power test is characterized in that the bottom of an inner sealing cover is in compression joint with the top of a container body, the top of the periphery of the container body is fixedly connected with a threaded seat, the periphery of the inner sealing cover is fixedly connected with a bolt sleeve, a bolt is in threaded connection between the bolt sleeve and the inner surface of the threaded seat, the top end of the bolt is fixedly connected with a tooth cap, an outer sealing cover sleeve is arranged outside the inner sealing cover, the inner surface of the outer sealing cover is fixedly connected with a tooth ring meshed with the surface of the tooth cap, the outer surface of the bolt sleeve is fixedly connected with an outer threaded sleeve at the bottom of the threaded seat, the bottom of the inner surface of the outer sealing cover is in threaded connection with the top of the outer surface of the outer threaded sleeve, the inner sealing cover can be pressed on the top of the container body to seal a layer by arranging the bolt, matching the threaded seat with the bolt sleeve, and then the outer sealing cover is matched with the outer threaded sleeve for use, the secondary sealing effect can be achieved, the sealing performance is improved, the matching of the gear ring and the gear cap is utilized, the outer sealing cover can synchronously drive the four bolts to rotate when being screwed, the four bolts do not need to be manually screwed down one by one, a large amount of time is saved, and the use is convenient.
(2) This locking sealed lid that moves based on pressure vessel for space flight power test, through the top of outer sealed lid internal surface and be located the bolt fixedly connected with clamping ring directly over, the top of outer sealed lid internal surface and the inboard fixedly connected with clamp plate that is located the clamping ring, and the bottom of clamp plate and the top crimping of inner seal lid, after screwing outer sealed lid, usable clamp plate further exerts pressure to inner seal lid, improve its leakproofness, and set up the clamping ring and can avoid its crooked rocking at the in-process pressure bolt of screwing, the smooth and easy nature of its screwing has been guaranteed.
(3) The anti-loosening sealing cover based on the pressure container for the aerospace power test is characterized in that an outer detection sleeve is fixedly connected to the center of the top of the outer sealing cover, an inner detection sleeve is fixedly connected to the center of the top of the inner surface of the outer sealing cover, an indicating rod penetrates through the outer detection sleeve, the bottom end of the indicating rod and the inner portion of the inner detection sleeve are fixedly connected with a sliding block, the surface of the sliding block is connected with the inner surface of the inner detection sleeve in a sliding mode, a sealing rubber sheet is fixedly connected to the top of the sliding block, the top end of the indicating rod and the upper portion of the outer detection sleeve are fixedly connected with a rubber ball, an indicating ring is arranged on the surface of the indicating rod and the top portion of the inner surface of the outer detection sleeve, a sealing rubber sleeve is fixedly connected to the inner surface of the outer detection sleeve and is sleeved on the surface of the indicating rod, a cavity can be formed between the outer sealing cover and the inner sealing cover, and if gas leaks from the pressure container, at first can make the increase of the interior atmospheric pressure of cavity between outer seal lid and the interior sealed lid, through set up the pressure detection structure at outer seal lid top, when atmospheric pressure increases, the indicator lever can shift up, make the instruction ring expose, and then the staff of being convenient for in time discovers the problem, so that solve the problem fast, can avoid influencing the experimental result, move the back on the indicator lever simultaneously, still can utilize sealed film to seal, can avoid thoroughly leaking gas, and mechanical detection structure is more reliable for the electronic detection structure, it is difficult for breaking down.
(4) This locking sealed lid that moves based on pressure vessel for space flight power test, surface cover through promoting the handle is equipped with the slip cardboard, and the bottom of slip cardboard is provided with the latch, the fixed surface of outer sealing lid is connected with the stop collar, and the stop collar overlaps the outside of establishing at the slip cardboard, the surface of external screw thread cover just is located the slip cardboard and is connected with the draw-in groove board under, and the top of draw-in groove board set up with the tooth's socket of slip cardboard bottom latch looks adaptation, through upper and lower slip cardboard cooperation draw-in groove board, can realize locking to outer sealing lid and external screw thread cover, the operation is simple, and utilize the cooperation that promotes handle and stop collar, can restrict the slip cardboard, avoid it to rock at will and break away from the draw-in groove board.
Drawings
FIG. 1 is a three-dimensional exploded view of the structure of the present invention;
FIG. 2 is a plan exploded view of the structure of the present invention;
FIG. 3 is a cross-sectional view of a portion of the structure of the present invention;
FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 3;
FIG. 5 is a bottom view of the inner seal cap construction of the present invention;
fig. 6 is a partial enlarged view of the invention at B in fig. 3.
In the figure, 1-a container body, 2-an inner sealing cover, 3-an outer sealing cover, 4-a threaded seat, 5-a bolt sleeve, 6-a bolt, 7-a gear cap, 8-a gear ring, 9-an outer thread sleeve, 10-a pressing plate, 11-a first sealing rubber ring, 12-a second sealing rubber ring, 13-an outer detection sleeve, 14-an inner detection sleeve, 15-an indication rod, 16-a sliding block, 17-a sealing rubber sheet, 18-a rubber ball, 19-an indication ring, 20-a sealing rubber sleeve, 21-a pushing handle, 22-a pressing ring, 23-a sliding clamping plate, 24-a limiting sleeve and 25-a clamping groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, an embodiment of the present invention provides a technical solution: a locking seal cover based on a pressure container for an aerospace power test comprises a container body 1, an inner seal cover 2 and an outer seal cover 3, wherein the bottom of the inner seal cover 2 is fixedly connected with a first seal rubber ring 11 at a position contacted with the top of the container body 1, the top of an external thread sleeve 9 is connected with a second seal rubber ring 12 in a gluing mode, the top of the second seal rubber ring 12 is in compression joint with the inner surface of the outer seal cover 3, the center of the top of the outer seal cover 3 is fixedly connected with an outer detection sleeve 13, the inner surface of the outer detection sleeve 13 is fixedly connected with a seal rubber sleeve 20, the seal rubber sleeve 20 is sleeved on the surface of an indication rod 15, a cavity can be formed between the outer seal cover 3 and the inner seal cover 2, if gas leaks from the pressure container, the pressure in the cavity between the outer seal cover 3 and the inner seal cover 2 can be increased firstly, and a pressure detection structure is arranged at the top of the outer seal cover 3, when the air pressure is increased, the indicating rod 15 moves upwards to expose the indicating ring 19, so that a worker can find problems in time, and the problem can be solved quickly, the experimental result can be prevented from being influenced, meanwhile, after the indicating rod 15 moves upwards, the mechanical detection structure can be sealed by using the sealing rubber sheet 17, complete air leakage can be avoided, the mechanical detection structure is more reliable and is not easy to break down compared with an electronic detection structure, the center of the top of the inner surface of the outer sealing cover 3 is fixedly connected with the inner detection sleeve 14, the indicating rod 15 penetrates through the outer detection sleeve 13, the inner detection sleeve 14 and the outer sealing cover 3, the bottom end of the indicating rod 15 is fixedly connected with the sliding block 16 positioned inside the inner detection sleeve 14, the surface of the sliding block 16 is connected with the inner surface of the inner detection sleeve 14 in a sliding manner, the top of the sliding block 16 is fixedly connected with the sealing rubber sheet 17, the top end of the indicating rod 15 is fixedly connected with the rubber ball 18 positioned above the outer detection sleeve 13, an indicating ring 19 is arranged on the surface of the indicating rod 15 and at the top of the inner surface of the outer detection sleeve 13, a pushing handle 21 is fixedly connected to the circumferential surface of the outer sealing cover 3, four pushing handles 21 are arranged at equal intervals in the circumferential direction, a sliding clamping plate 23 is sleeved on the surface of the pushing handle 21, the pushing handle 21 can limit the left-right shaking of the sliding clamping plate 23, a sliding groove matched with the pushing handle 21 is formed in the sliding clamping plate 23, the sliding clamping plate 23 can slide up and down, clamping teeth are arranged at the bottom of the sliding clamping plate 23, a limiting sleeve 24 is fixedly connected to the surface of the outer sealing cover 3, the limiting sleeve 24 is sleeved outside the sliding clamping plate 23, the limiting sleeve 24 can limit the left-right shaking and the front-back shaking of the sliding clamping plate 23, a clamping groove plate 25 is fixedly connected to the surface of the outer thread sleeve 9 and under the sliding clamping plate 23, and a tooth groove matched with the clamping teeth at the bottom of the sliding clamping plate 23 is formed in the top of the clamping groove plate 25, the sliding clamping plate 23 can be limited by matching the pushing handle 21 with the limiting sleeve 24, the sliding clamping plate 23 is prevented from shaking randomly and separating from the clamping groove plate 25, the bottom of the inner sealing cover 2 is in compression joint with the top of the container body 1, the top of the periphery of the container body 1 is fixedly connected with a threaded seat 4, the periphery of the inner sealing cover 2 is fixedly connected with a bolt sleeve 5, a bolt 6 is in threaded connection between the bolt sleeve 5 and the inner surface of the threaded seat 4, the top end of the bolt 6 is fixedly connected with a tooth cap 7, the outer sealing cover 3 is sleeved outside the inner sealing cover 2, the inner surface of the outer sealing cover 3 is fixedly connected with a tooth ring 8 meshed with the surface of the tooth cap 7, the outer surface of the bolt sleeve 5 is fixedly connected with the outer thread sleeve 9 at the bottom of the threaded seat 4, the bottom of the inner surface of the outer sealing cover 3 is in threaded connection with the top of the outer surface of the outer thread sleeve 9, two layers of sealing protection can be performed by arranging the inner and outer sealing covers to be matched with the outer thread sleeve 9 for use, after the outer sealing cover 3 is screwed, the inner sealing cover 2 can be further pressed by using the pressing plate 10 to improve the sealing performance, the outer sealing cover 3 can synchronously drive the four bolts 6 to rotate by using the matching of the toothed ring 8 and the toothed cap 7 when being screwed, the four bolts 6 do not need to be screwed up one by one manually, a large amount of time is saved, the use is convenient, the outer thread sleeve 9 and the outer surface of the container body 1 are fixed by welding and sealed by glass cement, the surface of the bolt 6 is in sliding connection with the inner surface of the bolt sleeve 5, the top of the inner surface of the outer sealing cover 3 is fixedly connected with the pressing ring 22 right above the bolt 6, and the top of the inner surface of the outer sealing cover 3 is fixedly connected with the pressing plate 10 on the inner side of the pressing ring 22, and the bottom of the pressing plate 10 is in compression joint with the top of the inner sealing cover 2, after the outer sealing cover 3 is screwed, the pressing plate 10 can be used for further pressing the inner sealing cover 2, the sealing performance of the inner sealing cover is improved, the pressing ring 22 is arranged, so that the bolt 6 can be pressed to avoid the inclined and swinging of the bolt in the screwing process, and the screwing smoothness is ensured.
And those not described in detail in this specification are well within the skill of those in the art.
During the use, put internal seal lid 2 at container body 1 top earlier, and make bolt housing 5 aim at threaded seat 4, then insert four bolts 6 in bolt housing 5, then overlap external seal lid 3 and press down in the external portion of internal seal lid 2, make clamping ring 22 hold-down bolt 6, then screw external seal lid 3 with strength through promoting handle 21, make external seal lid 3 and the threaded engagement of external thread cover 9, the ring gear 8 of the inboard tooth of external seal lid 3 drives bolt 6 and rotates simultaneously, screw bolt 6 in threaded seat 4, screw bolt 6 and external seal lid 3 in step, then slide cardboard 23 gliding, will make the latch of its bottom block into the draw-in groove at draw-in groove plate 25 top, restriction external seal lid 3's reversal.
When air leaks from the bottom of the inner sealing cover 2, the air pressure between the inner sealing cover 2 and the outer sealing cover 3 is increased, the sliding block 16 and the indicating rod 15 are pushed to rise until the sealing rubber sheet 17 is pressed against the top of the inner surface of the inner detection sleeve 14, the indicating ring 19 on the indicating rod 15 slides out of the outer detection sleeve 13, and a worker sees that the first sealing rubber ring 11 at the bottom of the inner sealing cover 2 needs to be replaced, and then presses down the indicating rod 15.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a locking sealed lid that moves based on pressure vessel for space flight dynamic test, includes vessel (1), interior sealed lid (2) and outer sealed lid (3), the top crimping of the bottom of interior sealed lid (2) and vessel (1), its characterized in that: the container comprises a container body (1), wherein the top of the periphery of the container body (1) is fixedly connected with a threaded seat (4), the periphery of an inner sealing cover (2) is fixedly connected with a bolt sleeve (5), a bolt (6) is in threaded connection with the inner surface of the bolt sleeve (5) and the threaded seat (4), the top end of the bolt (6) is fixedly connected with a tooth cap (7), an outer sealing cover (3) is sleeved outside the inner sealing cover (2), the inner surface of the outer sealing cover (3) is fixedly connected with a tooth ring (8) meshed with the surface of the tooth cap (7), the outer surface of the bolt sleeve (5) is fixedly connected with an external thread sleeve (9) at the bottom of the threaded seat (4), the bottom of the inner surface of the outer sealing cover (3) is in threaded connection with the top of the outer surface of the external thread sleeve (9), the top of the inner surface of the outer sealing cover (3) is fixedly connected with a compression ring (22) directly over the bolt (6), the top of the inner surface of the outer sealing cover (3) is fixedly connected with a pressing plate (10) on the inner side of the pressing ring (22), and the bottom of the pressing plate (10) is in compression joint with the top of the inner sealing cover (2).
2. The anti-loosening sealing cover based on the pressure container for the aerospace power test as claimed in claim 1, wherein: the bottom of the inner sealing cover (2) is fixedly connected with a first sealing rubber ring (11) in a position which is contacted with the top of the container body (1), the top of the external thread sleeve (9) is connected with a second sealing rubber ring (12) in an adhesive mode, and the top of the second sealing rubber ring (12) is in compression joint with the inner surface of the outer sealing cover (3).
3. The anti-loosening sealing cover based on the pressure container for the aerospace power test as claimed in claim 1, wherein: the center fixedly connected with of outer sealed lid (3) top detects cover (13) outward, detect cover (14) in the center fixedly connected with of outer sealed lid (3) internal surface top, it has indicator pole (15) to run through between outer detection cover (13), interior detection cover (14) and outer sealed lid (3).
4. The anti-loosening sealing cover based on the pressure container for the aerospace power test as claimed in claim 3, wherein: the bottom of indication rod (15) just is located the inside fixedly connected with slider (16) of interior detection cover (14), and the surface of slider (16) and the internal surface sliding connection of interior detection cover (14), the top fixedly connected with sealing film (17) of slider (16).
5. The anti-loosening sealing cover based on the pressure container for the aerospace power test as claimed in claim 3, wherein: the top of instruction pole (15) just is located the top fixedly connected with rubber ball (18) of outer detection cover (13), the top that just is located outer detection cover (13) internal surface of the surface of instruction pole (15) has seted up instruction ring (19).
6. The anti-loosening sealing cover based on the pressure container for the aerospace power test as claimed in claim 3, wherein: the inner surface of the outer detection sleeve (13) is fixedly connected with a sealing rubber sleeve (20), and the sealing rubber sleeve (20) is sleeved on the surface of the indication rod (15).
7. The anti-loosening sealing cover based on the pressure container for the aerospace power test as claimed in claim 1, wherein: the periphery of the outer sealing cover (3) is fixedly connected with four pushing handles (21), and the number of the pushing handles (21) is four.
8. The anti-loosening sealing cover based on the pressure container for the aerospace power test as claimed in claim 1, wherein: the external thread sleeve (9) and the outer surface of the container body (1) are fixed through welding and sealed by glass cement, and the surface of the bolt (6) is in sliding connection with the inner surface of the bolt sleeve (5).
9. The anti-loosening sealing cover based on the pressure container for the aerospace power test as claimed in claim 7, wherein: the surface cover that promotes handle (21) is equipped with slip cardboard (23), and the bottom of slip cardboard (23) is provided with the latch, the fixed surface of outer sealing lid (3) is connected with stop collar (24), and stop collar (24) cover is established in the outside of slip cardboard (23), the surface of external screw thread cover (9) just is located slip cardboard (23) under fixedly connected with draw-in groove board (25), and the tooth's socket of seting up with slip cardboard (23) bottom latch looks adaptation is seted up at the top of draw-in groove board (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911044486.8A CN110748643B (en) | 2019-10-30 | 2019-10-30 | Anti-loosening sealing cover based on pressure container for aerospace power test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911044486.8A CN110748643B (en) | 2019-10-30 | 2019-10-30 | Anti-loosening sealing cover based on pressure container for aerospace power test |
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| CN110748643A CN110748643A (en) | 2020-02-04 |
| CN110748643B true CN110748643B (en) | 2021-08-10 |
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| CN111632969A (en) * | 2020-06-08 | 2020-09-08 | 扬州普立特科技发展有限公司 | Self-cleaning horizontal reactor for high-viscosity fluid reaction |
| CN115681787B (en) * | 2022-10-21 | 2023-10-24 | 江苏氟豪防腐科技有限公司 | Environmental protection type tetrafluoro pressure vessel for production |
| CN117090895A (en) * | 2023-10-17 | 2023-11-21 | 扬中市兴鸿车辆配件有限公司 | Shock absorber with gas cylinder for electric vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1580541A (en) * | 1925-06-29 | 1926-04-13 | Warren S Sherman | Locking manhole frame and cover |
| DE1525481B1 (en) * | 1966-01-03 | 1970-04-02 | Charles E Meginnis | Sight glass arrangement, especially for containers for corrosive liquids, vapors or gases |
| US3625390A (en) * | 1968-02-09 | 1971-12-07 | Charles E Meginnis | Sight glass assembly |
| US3951301A (en) * | 1974-11-08 | 1976-04-20 | Meginnis Charles E | Sight glass assembly |
| CN104405871B (en) * | 2014-12-05 | 2017-12-05 | 廖日森 | A kind of self locking safety door of rotary pressure vessel |
| CN209140744U (en) * | 2018-10-26 | 2019-07-23 | 东泰高科装备科技有限公司 | A kind of clamp device |
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