CN219675713U - Valve pressure testing device with quick connector installation - Google Patents
Valve pressure testing device with quick connector installation Download PDFInfo
- Publication number
- CN219675713U CN219675713U CN202320782513.7U CN202320782513U CN219675713U CN 219675713 U CN219675713 U CN 219675713U CN 202320782513 U CN202320782513 U CN 202320782513U CN 219675713 U CN219675713 U CN 219675713U
- Authority
- CN
- China
- Prior art keywords
- valve pressure
- sealing
- groove
- testing device
- connecting branch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 73
- 238000009434 installation Methods 0.000 title claims description 11
- 238000007789 sealing Methods 0.000 claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 230000006978 adaptation Effects 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model belongs to the technical field of valve pressure test, and discloses a valve pressure test device with a fast-installed joint, which comprises a valve pressure test device body, wherein connecting branch pipes are fixedly installed at the top, the left side, the right side and the front end of the valve pressure test device body, sealing structures are arranged on the surfaces of the connecting branch pipes, each sealing structure comprises a sealing cover and a sealing connecting piece, the sealing covers are movably arranged on the surfaces of the connecting branch pipes, and the sealing connecting pieces are fixedly installed on the surfaces of the connecting branch pipes. According to the utility model, through the cooperation of structures such as the connecting branch pipes and the sealing structures, the pressure test valve to be tested is arranged on the corresponding connecting branch pipe according to the diameter of the connecting part, and then the other unused connecting branch pipes are sealed by the sealing structures, so that the condition that water and air leakage occur to the connecting branch pipe without the pressure test valve is avoided when the pressure test valve is used, and the sealing structure is arranged, so that the pressure test valve is convenient to seal and remove.
Description
Technical Field
The utility model belongs to the technical field of valve pressure test, and particularly relates to a valve pressure test device with a fast-installed joint.
Background
When the valve is used, the sealing performance and the strength of the valve are required to be detected, the valve is generally detected by being installed on a valve pressure testing device, when the valve is tested, one or more connecting branch pipes are generally used for testing the valve, the rest redundant connecting branch pipes are required to be subjected to sealing treatment, in the prior art, when the sealing treatment is carried out, the other connecting branch pipes are covered by plugs which are used for sealing are arranged on the surfaces of the other connecting branch pipes, and the plugs are fixed with the other connecting branch pipes by adopting threaded connection, so that sealing on other stations is realized, but the sealing mode is complex and troublesome when the valve is installed and disassembled, and the condition that the valve is not in place is easy to appear when the valve is installed, so that leakage is easy to occur when the valve is tested.
Disclosure of Invention
In order to solve the problems in the background technology, the utility model provides a valve pressure testing device with a fast joint installation, which has the advantages of convenient sealing and dismantling and convenient testing at any time and any place.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a connect quick mounting's valve pressure testing device, includes the valve pressure testing device body, the equal fixed mounting in top, left and right sides and the front end of valve pressure testing device body has the connecting branch pipe, connecting branch pipe surface all is provided with seal structure, seal structure is including sealed cowling and sealing connection spare, sealed cowling activity sets up the surface at the connecting branch pipe, sealing connection spare fixed mounting is at the surface of connecting branch pipe, movable groove has been seted up to sealing connection spare's surface circumference array, the inside rear end array of connecting branch pipe articulates there is the fastener, fastener movable joint is in the inside of movable groove, the first groove of accomodating has all been seted up to the inboard of movable groove inner, the inside of first groove of accomodating has first spring, the inside equal fixed mounting in right-hand member of first spring has the second groove of accomodating, the inside equal fixed mounting in inside of second groove has the second spring, the equal fixed mounting in front end of second spring has the second shoe, the inside rotary handle of connecting branch pipe has the rotatory fixed surface mounting of rotatory top of the inner end, rotatory top of handle has the rotatory groove of the rotatory end of the handle.
In the above technical scheme, preferably, the bottom fixed mounting of valve pressure testing device body has braced frame, braced frame's left end fixed mounting has the removal push rod, braced frame's bottom movable mounting has the gyro wheel, braced frame bottom's centre fixed mounting has the water tank, the left end fixed mounting of water tank has the pressurizing machine, the right-hand member fixed mounting of pressurizing machine has the outlet pipe, the top of outlet pipe and the bottom fixed intercommunication of valve pressure testing device body, the right-hand member fixed mounting of water tank has the wet return, the top of wet return and the bottom fixed intercommunication of valve pressure testing device body, the fixed surface mounting of outlet pipe has the manometer, the fixed grafting of surface of wet return has electric ball valve.
In the above technical solution, preferably, twelve connecting branch pipes are provided, and the diameter values of the twelve connecting branch pipes are different.
In the above technical solution, preferably, the cross section of the first top block is equal to the cross section of the first storage slot, and the thickness of the first top block is smaller than the width of the first storage slot.
In the above technical solution, preferably, the size of the section of the second storage groove is equal to the size of the section of the second top block, and the thickness value of the second top block is smaller than the width value of the second storage groove.
In the above technical solution, preferably, the bottom of the rotating groove is communicated with the top of the movable groove.
In the above technical scheme, preferably, the top of the rear end of the clamping piece is set to be inclined, and the shape and the size of the bottom of the rotary top block are matched with the shape and the size of the top of the rear end of the clamping piece.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, through the cooperation of the structures such as the connecting branch pipes and the sealing structures, the pressure test valve to be tested is arranged on the corresponding connecting branch pipe according to the diameter of the connecting part, and then the other unused connecting branch pipes are sealed by the sealing structures, so that the situation that water and air leakage occur to the connecting branch pipes without the pressure test valve is avoided when the pressure test valve is used, and the sealing structure is arranged, so that the pressure test valve is convenient to seal and remove.
2. According to the utility model, through the cooperation of structures such as the pressurizing machine, the valve pressure testing device body and the electric ball valve, water can be pumped into the valve pressure testing device body through the pressurizing machine when testing is carried out, so that the water pressure in the valve pressure testing device body is improved, whether water leakage and the like occur in different working states of the pressure testing pump or not is tested, and after the testing is finished, the electric ball valve can be opened, so that the water flows back into the water tank, thereby completing the recovery of water resources, facilitating the testing of testers at any time and any place, and improving the testing efficiency.
Drawings
FIG. 1 is a schematic view of the overall appearance structure of the present utility model;
FIG. 2 is a schematic diagram of a front view structure of the present utility model;
FIG. 3 is a schematic view of a front view in cross section;
FIG. 4 is a schematic view of a right-side cross-sectional top view of the seal structure of the present utility model;
fig. 5 is a schematic view of a front cross-sectional structure of a sealing structure of the present utility model.
In the figure: 1. a valve pressure testing device body; 2. a connecting branch pipe; 3. a sealing structure; 301. a sealing cover; 302. sealing the connection member; 303. a movable groove; 304. a clamping piece; 305. a first storage groove; 306. a first spring; 307. a first top block; 308. a second storage groove; 309. a second spring; 310. a second top block; 311. a rotary groove; 312. rotating the top block; 313. rotating the handle; 4. a support frame; 5. moving the push rod; 6. a roller; 7. a water tank; 8. pressurizing machine; 9. a water outlet pipe; 10. a pressure gauge; 11. a water return pipe; 12. an electric ball valve.
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.
As shown in fig. 1 to 5, the utility model provides a valve pressure testing device with a quick connector installation, which comprises a valve pressure testing device body 1, wherein a connecting branch pipe 2 is fixedly installed at the top, the left side, the right side and the front end of the valve pressure testing device body 1, a sealing structure 3 is arranged on the surface of the connecting branch pipe 2, the sealing structure 3 comprises a sealing cover 301 and a sealing connecting piece 302, the sealing cover 301 is movably arranged on the surface of the connecting branch pipe 2, the sealing connecting piece 302 is fixedly installed on the surface of the connecting branch pipe 2, a movable groove 303 is formed in a circumferential array on the surface of the sealing connecting piece 302, a clamping piece 304 is hinged to the rear end array inside the connecting branch pipe 2, the clamping piece 304 is movably clamped inside the movable groove 303, a first accommodating groove 305 is formed in the inner side of the inner end of the movable groove 303, a first spring 306 is fixedly installed inside the first accommodating groove 305, a second accommodating groove 308 is formed in the rear end inside the sealing connecting piece 302, a second spring 309 is fixedly installed inside the second accommodating groove 308, a second accommodating groove 311 is fixedly installed inside the second spring 309, a front end of the second spring 309 is fixedly installed inside the second accommodating groove 311, a rotary handle 311 is fixedly installed inside the rotary handle 311, and the rotary handle is fixedly installed inside the rotary handle groove 313.
The scheme is adopted: when the sealing is performed, the clamping piece 304 is inserted into the movable groove 303, and when the sealing is performed and the sealing cover is inserted into the movable groove, the second top block 310 is pressed, so that the second top block 310 is accommodated in the second accommodating groove 308, then the first top block 307 is ejected out of the first accommodating groove 305, the inner end of the inserted clamping piece 304 is extruded, then the clamping piece 304 is clamped into a clamping groove preset at the inner side of the sealing connecting piece 302, the fixing is completed, and the inner side of the sealing cover 301 is sealed with the unused end face of the connecting branch pipe 2, so that water leakage is avoided when the sealing cover is used;
by arranging the rotary handle 313 and the rotary top block 312, when the seal cover 301 needs to be removed, only the rotary handle 313 needs to be rotated, and then the rotary top block 312 is inserted into the clamping grooves preset on the inner sides of the clamping piece 304 and the movable groove 303 along the rotary groove 311, so that the clamping piece 304 can be pulled out.
As shown in fig. 1, fig. 2 and fig. 3, a supporting frame 4 is fixedly installed at the bottom of a valve pressure testing device body 1, a movable push rod 5 is fixedly installed at the left end of the supporting frame 4, a roller 6 is movably installed at the bottom of the supporting frame 4, a water tank 7 is fixedly installed in the middle of the bottom of the supporting frame 4, a pressurizing machine 8 is fixedly installed at the left end of the water tank 7, a water outlet pipe 9 is fixedly installed at the right end of the pressurizing machine 8, the top of the water outlet pipe 9 is fixedly communicated with the bottom of the valve pressure testing device body 1, a water return pipe 11 is fixedly installed at the right end of the water tank 7, the top of the water return pipe 11 is fixedly communicated with the bottom of the valve pressure testing device body 1, a pressure gauge 10 is fixedly installed at the surface of the water outlet pipe 9, and an electric ball valve 12 is fixedly inserted and connected to the surface of the water return pipe 11.
The scheme is adopted: when the valve pressure testing device is used, the pressurizer 8 on the left side of the water tank 7 is started, so that water is pumped into the valve pressure testing device body 1 through the water outlet pipe 9, the interior of the valve pressure testing device body 1 is gradually occupied by water, whether water leakage and the like occur in different working states of the pressure testing device are tested, and after the testing is completed, the electric ball valve 12 is opened, so that the water in the valve pressure testing device body 1 flows back into the water tank 7 through the water return pipe 11, the recovery of water resources is completed, testing by testing staff is facilitated at any time and any place, and the testing efficiency is improved;
the pressure gauge 10 is fixedly arranged on the surface of the water outlet pipe 9, so that the pressure of water can be conveniently detected.
As shown in fig. 1, the connecting branch pipes 2 are provided with twelve, and the diameter values of the twelve connecting branch pipes 2 are different.
The scheme is adopted: when in use, the valves are mounted on the corresponding connecting branch pipes 2 according to the diameter;
twelve connecting branch pipes 2 are arranged, and the diameter values of the twelve connecting branch pipes 2 are different, so that the valves with various different diameters can be conveniently detected.
As shown in fig. 4, the cross-sectional size of the first top block 307 is equal to the cross-sectional size of the first receiving groove 305, and the thickness value of the first top block 307 is smaller than the width value of the first receiving groove 305.
The scheme is adopted: when in use, the first top block 307 is moved into the first storage groove 305 in a working state at any time;
the first top block 307 is made to have a cross-sectional size equal to that of the first receiving groove 305, and the thickness of the first top block 307 is smaller than the width of the first receiving groove 305, thereby facilitating the receiving.
As shown in fig. 4, the cross-sectional size of the second receiving groove 308 is equal to the cross-sectional size of the second top block 310, and the thickness value of the second top block 310 is smaller than the width value of the second receiving groove 308.
The scheme is adopted: when in use, the second top block 310 moves into the first receiving groove 305;
the second top block 310 has a cross-sectional size equal to that of the second receiving groove 308, and the thickness of the second top block 310 is smaller than the width of the second receiving groove 308, thereby facilitating the receiving.
As shown in fig. 5, the bottom of the rotation groove 311 and the top of the movable groove 303 communicate with each other.
The scheme is adopted: when in use, the rotary top block 312 inside the rotary groove 311 moves into the movable groove 303;
the bottom of the rotation groove 311 and the top of the movable groove 303 are communicated with each other, thereby facilitating use.
As shown in fig. 5, the top of the rear end of the clip 304 is inclined, and the shape and size of the bottom of the rotary top block 312 are adapted to the shape and size of the top of the rear end of the clip 304.
The scheme is adopted: when in use, the arc of the rotary top block 312 presses the clamping piece 304 inwards along the top of the rear end of the clamping piece 304;
the top of the rear end of the clamping piece 304 is inclined, and the shape and the size of the bottom of the rotary jacking block 312 are matched with those of the top of the rear end of the clamping piece 304, so that loosening is facilitated.
The working principle and the using flow of the utility model are as follows:
when in use, the pressure pump to be tested is arranged on the corresponding connecting branch pipe 2 according to the diameter of the connecting part, and then the rest unused connecting branch pipes 2 are sealed by the sealing structure 3;
when the sealing is performed, the clamping piece 304 at the rear end inside the sealing cover 301 is inserted into the preset movable groove 303 on the surface of the sealing connecting piece 302, and when the sealing cover is inserted into the sealing connecting piece 302 and the sealing cover is quickly reached, the second top block 310 is pressed, so that the second top block 310 overcomes the elasticity of the second spring 309 and is stored in the second storage groove 308, the first top block 307 is out of constraint, the first storage groove 305 is ejected out under the action of the first spring 306, the inner end of the inserted clamping piece 304 is extruded, the clamping piece 304 is clamped into the preset clamping groove on the inner side of the sealing connecting piece 302, the fixing is finished, the inner side of the sealing cover 301 and the unused end face of the connecting branch pipe 2 are sealed, and water leakage is avoided when the sealing cover is used;
then starting a pressurizer 8 at the left side of the water tank 7, so that water is pumped into the valve pressure testing device body 1 through the water outlet pipe 9, the interior of the valve pressure testing device body 1 is gradually occupied by water, whether water leakage and other conditions occur in different working states of the pressure testing pump or not is tested, and after the test is completed;
when the test is finished, the electric ball valve 12 is opened, so that water in the valve pressure test device body 1 flows back to the water tank 7 through the water return pipe 11, the recovery of water resources is finished, the test is conveniently carried out by a tester anytime and anywhere, and the test efficiency is improved;
when the seal cover 301 needs to be removed, the rotary handle 313 is rotated, and then the rotary top block 312 is inserted into the clamping grooves preset inside the clamping piece 304 and the movable groove 303 along the rotary groove 311, so that the clamping piece 304 pushes the first top block 307 into the first accommodating groove 305, and then the clamping piece 304 is pulled out, so that the second top block 310 loses constraint, so that the second top block 310 is clamped in the inner walls of the first top block 307 and the movable groove 303 again, so that the first top block 307 cannot move any more, and further insertion is facilitated.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a connect valve pressure testing device of quick installation, includes valve pressure testing device body (1), its characterized in that: the valve pressure testing device comprises a valve pressure testing device body (1), a connecting branch pipe (2) is fixedly arranged at the top, the left side and the right side and the front end of the valve pressure testing device body (1), a sealing structure (3) is arranged on the surface of the connecting branch pipe (2), the sealing structure (3) comprises a sealing cover (301) and a sealing connecting piece (302), the sealing cover (301) is movably arranged on the surface of the connecting branch pipe (2), a movable groove (303) is formed in the surface of the sealing connecting piece (302) in a circumferential array, a clamping piece (304) is hinged to the rear end array inside the connecting branch pipe (2), the clamping piece (304) is movably clamped inside the movable groove (303), a first storage groove (305) is formed in the inner side of the inner end of the movable groove (303), a first spring (306) is fixedly arranged in the inner side of the first storage groove (305), a first top block (307) is fixedly arranged at the right end of the first spring (306), a second top block (308) is arranged at the inner end of the sealing connecting piece (302), a second top block (308) is fixedly arranged in the inner side of the first storage groove (305), a second storage groove (309) is fixedly arranged in the inner side of the movable groove (303), a second storage groove (309), a second top block (308) is fixedly arranged at the inner end of the movable groove (308), the rotary jacking block (312) is movably arranged in the rotary groove (311), and the rotary handle (313) is fixedly arranged at the outer end of the rotary jacking block (312) penetrating through the surface of the rotary groove (311).
2. The valve pressure test device for quick connector installation of claim 1, wherein: the automatic pressure testing device is characterized in that a supporting frame (4) is fixedly arranged at the bottom of the valve pressure testing device body (1), a movable push rod (5) is fixedly arranged at the left end of the supporting frame (4), a roller (6) is movably arranged at the bottom of the supporting frame (4), a water tank (7) is fixedly arranged in the middle of the bottom of the supporting frame (4), a pressurizing machine (8) is fixedly arranged at the left end of the water tank (7), a water outlet pipe (9) is fixedly arranged at the right end of the pressurizing machine (8), the top of the water outlet pipe (9) is fixedly communicated with the bottom of the valve pressure testing device body (1), a water return pipe (11) is fixedly communicated with the bottom of the valve pressure testing device body (7), a pressure gauge (10) is fixedly arranged at the top of the water outlet pipe (9), and an electric ball valve (12) is fixedly spliced on the surface of the water return pipe (11).
3. The valve pressure test device for quick connector installation of claim 1, wherein: twelve connecting branch pipes (2) are arranged, and the diameter values of the twelve connecting branch pipes (2) are different.
4. The valve pressure test device for quick connector installation of claim 1, wherein: the cross section size of the first top block (307) is equal to the cross section size of the first storage groove (305), and the thickness value of the first top block (307) is smaller than the width value of the first storage groove (305).
5. The valve pressure test device for quick connector installation of claim 1, wherein: the cross section size of the second storage groove (308) is equal to the cross section size of the second top block (310), and the thickness value of the second top block (310) is smaller than the width value of the second storage groove (308).
6. The valve pressure test device for quick connector installation of claim 1, wherein: the bottom of the rotary groove (311) is communicated with the top of the movable groove (303).
7. The valve pressure test device for quick connector installation of claim 2, wherein: the top of fastener (304) rear end sets up to the slope form, the shape size of rotatory kicking block (312) bottom and the shape size looks adaptation of fastener (304) rear end top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320782513.7U CN219675713U (en) | 2023-04-11 | 2023-04-11 | Valve pressure testing device with quick connector installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320782513.7U CN219675713U (en) | 2023-04-11 | 2023-04-11 | Valve pressure testing device with quick connector installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219675713U true CN219675713U (en) | 2023-09-12 |
Family
ID=87927579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320782513.7U Active CN219675713U (en) | 2023-04-11 | 2023-04-11 | Valve pressure testing device with quick connector installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219675713U (en) |
-
2023
- 2023-04-11 CN CN202320782513.7U patent/CN219675713U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219675713U (en) | Valve pressure testing device with quick connector installation | |
| CN216247073U (en) | Water detection tool for sealing performance of automobile air conditioner pipeline | |
| CN112139086A (en) | Rubber tire cleaning device | |
| CN218049465U (en) | Be used for oil engineering water injection pipe inner wall cleaning device | |
| CN218566824U (en) | Plug valve detection device | |
| CN201735561U (en) | Cleaning device for inner wall of steel pipe | |
| CN112213036B (en) | Eccentric water interception valve detection device and detection method | |
| CN220901179U (en) | High-pressure cleaning machine | |
| CN212156152U (en) | Plugging head strap pressing open hole connector | |
| CN101890416A (en) | Cleaner for inner wall of steel pipe | |
| CN208410203U (en) | PCCP spraying system | |
| CN220084327U (en) | Movable integrated valve pressure testing device | |
| CN220729566U (en) | Intelligent closestool spray pipe sealing member welding leakage detection device | |
| CN215893907U (en) | Fixing frame for detecting air tightness of gas manufacturing tank | |
| CN112747861A (en) | Rubber tube ring type sealing air pressure detection jig | |
| CN218212313U (en) | Thin-wall titanium pipe hydrostatic test is with supporting structure of suppressing based on hydraulic press | |
| CN112361094A (en) | Corrosion-resistant spiral steel pipe with joint self-locking structure | |
| CN219714483U (en) | Liquid level detection device of waste gas treatment cabinet | |
| CN212254901U (en) | Water pressure threshold detection device for crack resistance of inner cavity of perforated steel belt polyethylene composite pipe | |
| CN212410265U (en) | Water pressure inspection device for manufacturing epoxy glass reinforced plastic pipeline | |
| CN220018844U (en) | Intercooler assembly gas tightness detection device | |
| CN218221173U (en) | Chromatography column assembly | |
| CN215940986U (en) | Laboratory equipment belt cleaning device | |
| CN219062801U (en) | Drainage pipeline prosthetic devices | |
| CN213361388U (en) | Fire-fighting water suction pipe with high pressure bearing capacity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |