CN114754235A - Easily connect water pump body - Google Patents
Easily connect water pump body Download PDFInfo
- Publication number
- CN114754235A CN114754235A CN202210430539.5A CN202210430539A CN114754235A CN 114754235 A CN114754235 A CN 114754235A CN 202210430539 A CN202210430539 A CN 202210430539A CN 114754235 A CN114754235 A CN 114754235A
- Authority
- CN
- China
- Prior art keywords
- pump body
- water pump
- outer side
- spherical
- side wall
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 35
- 230000000694 effects Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 8
- 210000001503 joint Anatomy 0.000 description 6
- 230000006978 adaptation Effects 0.000 description 4
- 238000013016 damping Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
-
- 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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M9/00—Special layout of foundations with respect to machinery to be supported
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/284—Locking by means of elastic deformation
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/02—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction
- F16L27/04—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces
- F16L27/06—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces with special sealing means between the engaging surfaces
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention relates to an easily-connected water pump body, which comprises a main body, wherein two sides of the main body are respectively provided with a circulating pipeline for water inlet and water outlet, the bottom of the main body is integrally provided with a base fixed on the ground, the circulating pipeline sequentially comprises a first part, a second part, a third part and a fourth part, two ends of the inner side of the second part are respectively provided with a spherical cavity, one end of the first part is integrally arranged with the main body, the other end of the first part extends into the inner side of the second part, the outer side of the first part is provided with a first matching part which is in spherical matching with the spherical cavity and is in movable sealing matching with the spherical cavity, one end of the third part extends into the inner side of the second part, the outer side of the third part is provided with a second matching part which is in spherical matching with the spherical cavity and is in movable sealing matching with the spherical cavity, the other end of the third part is provided with a guide cylinder which extends into the inner side of the fourth part and is in axial sliding matching with the fourth part, and the other end of the third part is provided with a flange. By adopting the scheme, the invention provides the easily-connected water pump body which can meet various adaptive requirements.
Description
Technical Field
The invention relates to the field of water pumps, in particular to a water pump body easy to connect.
Background
The pump body is the main component of water pump, in order to make the pump body stable installation in ground, often needs the pump body below to set up the base that is fixed in ground. The traditional base is generally arranged in a split mode, the base needs to be fixed to the bottom of the pump body firstly, then the base is fixed to the ground, the fixing mode of the sample is not only troublesome to operate, but also the strength of the joint of the base and the pump body is very limited. Meanwhile, the mounting positions of the base and the ground are required to be very accurate, otherwise, the water inlet pipeline and the water outlet pipeline at the two ends of the pump body cannot be accurately butted with other pipelines, and the specification of the pump body can only be changed once the larger interval condition occurs.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the easily-connected water pump body which can meet various adaptation requirements.
In order to realize the purpose, the invention provides the following technical scheme: including the main part, the main part both sides be provided with respectively and be used for intaking and go out the circulation pipeline of water, its characterized in that: the integrative base that is fixed in ground that is provided with of main part bottom, flow channel include first portion, second portion, third portion and fourth portion in proper order, the inboard both ends of second portion be provided with spherical chamber respectively, first portion one end and main part an organic whole set up, the other end stretches into second portion inboard and the outside and is provided with and spherical chamber spherical cooperation and the first cooperation part of activity seal complex, third portion one end stretch into second portion inboard and the outside be provided with spherical chamber spherical cooperation and activity seal complex second cooperation part, the other end is provided with and stretches into fourth portion inboard and with the fourth portion axial sliding complex guide cylinder, the relative third portion's of fourth portion the other end be provided with the ring flange.
Through adopting above-mentioned technical scheme, cooperate with the spherical chamber that corresponds respectively by first cooperation part and second cooperation part, form two joints, supply the fourth portion flexible by the guide cylinder again, make height and orientation of adjusting the ring flange on a large scale, simultaneously, by the flexible compensation of fourth portion and the interval of other pipelines, make the main part that is fixed in ground realize quick, accurate butt joint, satisfy various adaptation demands, and simultaneously, the main part sets up with the base is integrative, has also improved joint strength between them.
The invention is further configured to: and rubber sealing layers which are in movable sealing fit with the spherical cavity are respectively covered and arranged on the outer sides of the first matching part and the second matching part.
Through adopting above-mentioned technical scheme, add the rubber sealing layer, on the one hand, can avoid fluid to reveal from spherical cooperation, on the other hand increases first cooperation part and second cooperation part and corresponds the damping between the spherical chamber, improves cooperation stability.
The invention is further configured to: the outer side wall of the first portion close to the second portion and the outer side wall of the second portion close to the first portion are respectively provided with a first sealing ring, and a first corrugated pipe surrounding the first portion and the second portion is fixedly arranged between the two first sealing rings.
Through adopting above-mentioned technical scheme, form the second reseal of first portion, second portion joint department by two first sealing rings cooperation first bellows, avoid the fluid to reveal.
The invention is further configured to: the outer side wall of the third part close to the second part and the outer side wall of the second part close to the third part are respectively provided with a second sealing ring, and a second corrugated pipe surrounding the second part and the third part is fixedly arranged between the two second sealing rings.
Through adopting above-mentioned technical scheme, form the second reseal of second portion, third portion joint department by two second sealing rings cooperation second corrugated pipes, avoid the fluid to reveal.
The invention is further configured to: the outer side wall of the third portion close to the fourth portion and the outer side wall of the fourth portion close to the third portion are respectively provided with a third sealing ring, and a fourth corrugated pipe surrounding the third portion and the fourth portion is fixedly arranged between the two third sealing rings.
Through adopting above-mentioned technical scheme, form the sealed of the flexible department of third portion, fourth by two third sealing rings cooperation third bellows, avoid the fluid to reveal, simultaneously, can restrict the flexible scope of third portion, fourth, avoid both to separate.
The invention is further configured to: the base be provided with a plurality of fixed orificess along the circumference, each the fixed orifices be provided with the bolt that is fixed in ground, the tip that the bolt stretched into ground be provided with the inflation portion that is the inversion round platform, the bolt cover be equipped with the expansion sleeve that the side has the breach, the bolt be located base top and be provided with the nut, the bolt be located the compression between nut and the base and be provided with the spring.
Through adopting above-mentioned technical scheme, the bolt is located the compression between nut and the base and is provided with the spring, has following advantage, one, improves expansion bolts's deformation volume, improves the fixed reliability, and relative rotation is avoided in clearance between two, clamp bolt and the nut, and three, the effort that buffering part pump body junction received improves connection stability.
The invention is further configured to: the spring is a tower-shaped spring with a large upper part and a small lower part, and the base is provided with a guide groove matched with the shape of the lower end of the tower-shaped spring around the tower-shaped spring.
Through adopting above-mentioned technical scheme, the guide way cooperates the turriform spring, carries out the counterpoint to the turriform spring automatically, guarantees even, the stable effort to the nut, and area of action is great, changes in the assembly.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood 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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in figure 1, the invention discloses a water pump body easy to connect, which is described by matching with the ground a, and comprises a main body 1, wherein two sides of the main body 1 are respectively provided with a circulation pipeline 2 for water inlet and outlet, the bottom of the main body 1 is integrally provided with a base 3 fixed on the ground, the circulation pipeline 2 sequentially comprises a first part 21, a second part 22, a third part 23 and a fourth part 24, two ends of the inner side of the second part 22 are respectively provided with a spherical cavity 221, one end of the first part 21 is integrally arranged with the main body 1, the other end extends into the inner side of the second part 22 and is provided with a first matching part 211 matched with the spherical cavity 221 in a spherical shape and movably sealed and matched with the spherical cavity 221 in an outer side, one end of the third part 23 extends into the inner side of the second part 22 and is provided with a second matching part 231 matched with the spherical cavity 221 in a spherical shape and movably sealed and matched with the spherical cavity, the other end is provided with a guide cylinder 232 extending into the inner side of the fourth part 24 and matched with the fourth part 24 in an axial sliding way, the other end of fourth portion 24 relative third portion 23 is provided with ring flange 241, cooperate with corresponding spherical chamber 221 respectively by first cooperation part 211 and second cooperation part 231, form two joints, supply fourth portion 24 flexible by guide cylinder 232 again, make the height and the orientation of adjusting ring flange 241 on a large scale, and simultaneously, by the flexible compensation of fourth portion 24 and the interval of other pipelines, make the main part 1 that is fixed in ground realize fast, accurate butt joint, satisfy various adaptation demands, and simultaneously, main part 1 and base 3 integrative setting, the joint strength between them has also been improved.
The rubber sealing layer 212 which forms movable sealing fit with the spherical cavity 221 is respectively covered on the outer sides of the first matching part 211 and the second matching part 231, the rubber sealing layer 212 is additionally arranged, on one hand, leakage of fluid from the spherical fit can be avoided, on the other hand, damping between the first matching part 211 and the second matching part 231 and the corresponding spherical cavity 221 is increased, and matching stability is improved.
The outer side wall of the first portion 21 close to the second portion 22 and the outer side wall of the second portion 22 close to the first portion 21 are respectively provided with a first sealing ring 213, a first corrugated pipe 214 surrounding the first portion 21 and the second portion 22 is fixedly arranged between the two first sealing rings 213, and the two first sealing rings 213 are matched with the first corrugated pipe 214 to form a second secondary seal at joints of the first portion 21 and the second portion 22, so that fluid leakage is avoided.
The outer side wall of the third portion 23 close to the second portion 22 and the outer side wall of the second portion 22 close to the third portion 23 are respectively provided with a second sealing ring 233, a second corrugated pipe 234 surrounding the second portion 22 and the third portion 23 is fixedly arranged between the two second sealing rings 233, and the two second sealing rings 233 are matched with the second corrugated pipe 234 to form a second secondary seal at joints of the second portion 22 and the third portion 23, so that fluid leakage is avoided.
The outer side wall of the third portion 23 close to the fourth portion 24 and the outer side wall of the fourth portion 24 close to the third portion 23 are respectively provided with a third sealing ring 242, a fourth corrugated pipe 243 surrounding the third portion 23 and the fourth portion 24 is fixedly arranged between the two third sealing rings 242, the two third sealing rings 242 are matched with the third corrugated pipe to form sealing at the telescopic position of the third portion 23 and the fourth portion 24, fluid leakage is avoided, meanwhile, the telescopic range of the third portion 23 and the telescopic range of the fourth portion 24 can be limited, and separation of the third portion 23 and the fourth portion 24 is avoided.
The base 3 is provided with a plurality of fixed orificess 31 along the circumference, each fixed orifices 31 is provided with the bolt that is fixed in ground, the tip that bolt 32 stretches into ground is provided with inflation portion 321 that is the inversion round platform, bolt 32 cover is equipped with the expansion sleeve 322 that has the breach in the side, bolt 32 is located base 3 top and is provided with nut 323, bolt 32 is located to compress between nut 323 and the base 3 and is provided with spring 324, the following advantage has, one, improve the deformation volume of expansion bolts 32, improve the fixed reliability, two, the clearance between housing bolt 32 and the nut 323, avoid relative rotation, three, cushion the effort that some pump body coupling department received, improve connection stability.
Claims (7)
1. The utility model provides an easily connect water pump body, includes the main part, the main part both sides be provided with respectively and be used for intaking and go out the runner pipe way of water, its characterized in that: the integrative base that is fixed in ground that is provided with in main part bottom, circulation pipeline include first portion, second portion, third portion and fourth portion in proper order, the inboard both ends of second portion be provided with spherical chamber respectively, first portion one end and main part an organic whole set up, the other end stretches into second portion inboard and the outside and is provided with the first cooperation part with spherical chamber spherical cooperation and the sealed complex of activity, third portion one end stretch into second portion inboard and the outside be provided with spherical chamber spherical cooperation and the sealed complex second cooperation part of activity, the other end is provided with and stretches into the fourth portion inboard and with the fourth portion axial sliding complex guide cylinder, the relative third portion's of fourth portion the other end be provided with the ring flange.
2. The easy-to-connect water pump body according to claim 1, characterized in that: and rubber sealing layers which are in movable sealing fit with the spherical cavity are respectively covered and arranged on the outer sides of the first matching part and the second matching part.
3. The easy-to-connect water pump body according to claim 1, characterized in that: the outer side wall of the first portion close to the second portion and the outer side wall of the second portion close to the first portion are respectively provided with a first sealing ring, and a first corrugated pipe surrounding the first portion and the second portion is fixedly arranged between the two first sealing rings.
4. The easy-to-connect water pump body according to claim 1, characterized in that: the outer side wall of the third part close to the second part and the outer side wall of the second part close to the third part are respectively provided with a second sealing ring, and a second corrugated pipe surrounding the second part and the third part is fixedly arranged between the two second sealing rings.
5. The easy-to-connect water pump body according to claim 1, characterized in that: the outer side wall of the third portion close to the fourth portion and the outer side wall of the fourth portion close to the third portion are respectively provided with a third sealing ring, and a fourth corrugated pipe surrounding the third portion and the fourth portion is fixedly arranged between the two third sealing rings.
6. The easy-to-connect water pump body according to claim 1, characterized in that: the base be provided with a plurality of fixed orificess along the circumference, each the fixed orifices be provided with the bolt that is fixed in ground, the bolt tip that stretches into ground be provided with the inflation portion that is the inversion round platform, the bolt cover be equipped with the expansion sleeve that the side has the breach, the bolt be located base top and be provided with the nut, the bolt be located the compression between nut and the base and be provided with the spring.
7. The easy-to-connect water pump body according to claim 6, wherein: the spring is a tower-shaped spring with a large upper part and a small lower part, and the base is provided with a guide groove matched with the shape of the lower end of the tower-shaped spring around the tower-shaped spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210430539.5A CN114754235A (en) | 2022-04-22 | 2022-04-22 | Easily connect water pump body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210430539.5A CN114754235A (en) | 2022-04-22 | 2022-04-22 | Easily connect water pump body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114754235A true CN114754235A (en) | 2022-07-15 |
Family
ID=82331465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210430539.5A Pending CN114754235A (en) | 2022-04-22 | 2022-04-22 | Easily connect water pump body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114754235A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201771752U (en) * | 2010-07-28 | 2011-03-23 | 李恩泽 | Water pump joint with angle-adjustable water outlet |
| US20110123370A1 (en) * | 2009-11-26 | 2011-05-26 | Hyundai Motor Company | Electric water pump |
| CN107606401A (en) * | 2017-09-26 | 2018-01-19 | 天津宝舟科技有限公司 | Sewage disposal circulating pump fixing device |
| CN208416962U (en) * | 2018-06-05 | 2019-01-22 | 四川三台力达泵业有限公司 | A kind of efficient chemical centrifugal pump |
| CN208702765U (en) * | 2018-06-20 | 2019-04-05 | 赵超 | A kind of fixed device of oil field gathering and transportation centrifugal pump |
| CN211397926U (en) * | 2019-08-27 | 2020-09-01 | 上海瑞邦机械集团有限公司 | Arrangement structure of horizontal centrifugal pump |
| CN213117927U (en) * | 2020-08-15 | 2021-05-04 | 江苏天骄汽车配套有限公司 | Water inlet pipe of supercharger |
| CN214466858U (en) * | 2021-03-04 | 2021-10-22 | 唐春兴 | Universal joint for computer water cooling system |
| CN214743993U (en) * | 2021-04-30 | 2021-11-16 | 水发规划设计有限公司 | Spherical rotary joint of water delivery pipeline of pontoon pump station |
| CN216078738U (en) * | 2021-09-07 | 2022-03-18 | 湖南九维环保科技有限公司 | Oil-submersible pump installation connecting pipe fitting and oil filling equipment using same |
-
2022
- 2022-04-22 CN CN202210430539.5A patent/CN114754235A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110123370A1 (en) * | 2009-11-26 | 2011-05-26 | Hyundai Motor Company | Electric water pump |
| CN201771752U (en) * | 2010-07-28 | 2011-03-23 | 李恩泽 | Water pump joint with angle-adjustable water outlet |
| CN107606401A (en) * | 2017-09-26 | 2018-01-19 | 天津宝舟科技有限公司 | Sewage disposal circulating pump fixing device |
| CN208416962U (en) * | 2018-06-05 | 2019-01-22 | 四川三台力达泵业有限公司 | A kind of efficient chemical centrifugal pump |
| CN208702765U (en) * | 2018-06-20 | 2019-04-05 | 赵超 | A kind of fixed device of oil field gathering and transportation centrifugal pump |
| CN211397926U (en) * | 2019-08-27 | 2020-09-01 | 上海瑞邦机械集团有限公司 | Arrangement structure of horizontal centrifugal pump |
| CN213117927U (en) * | 2020-08-15 | 2021-05-04 | 江苏天骄汽车配套有限公司 | Water inlet pipe of supercharger |
| CN214466858U (en) * | 2021-03-04 | 2021-10-22 | 唐春兴 | Universal joint for computer water cooling system |
| CN214743993U (en) * | 2021-04-30 | 2021-11-16 | 水发规划设计有限公司 | Spherical rotary joint of water delivery pipeline of pontoon pump station |
| CN216078738U (en) * | 2021-09-07 | 2022-03-18 | 湖南九维环保科技有限公司 | Oil-submersible pump installation connecting pipe fitting and oil filling equipment using same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2594390C2 (en) | Sealing assembly of corrugated pipes and valve with sealing assembly | |
| CN203214990U (en) | Pressure reducing valve for nuclear power water system | |
| CN114754235A (en) | Easily connect water pump body | |
| CN209294532U (en) | A kind of coupler and vacuum coating equipment | |
| CN108953658B (en) | A kind of ball valve | |
| CN207795401U (en) | Oil return pipe of supercharger and pressurizer oil pipe connecting structure | |
| CN212929085U (en) | Flange with good pressure resistance | |
| CN213629131U (en) | Petroleum pipeline valve with good sealing performance | |
| WO2022016879A1 (en) | Tail member for water separator tail end | |
| CN111794976B (en) | Flange type coupling structure of submersible sewage pump | |
| CN208763714U (en) | A kind of oil cooler adapter of engine cylinder body | |
| CN203023696U (en) | Vacuum extension tube structure | |
| CN219453160U (en) | Pipeline connection self-sealing structure for offshore wind power test platform | |
| CN209943742U (en) | Novel fluid pipeline joint | |
| CN110758092A (en) | Metal oil filling pipe assembled with plastic oil pipe head | |
| CN215865342U (en) | Novel adjustable venturi | |
| CN211118223U (en) | Anti-leakage corrugated pipe compensator | |
| CN215928723U (en) | Gas pipe with good sealing effect and convenient installation | |
| CN209043550U (en) | A kind of bellows leakage proof detection device | |
| CN206681983U (en) | The attachment structure of housing and reservoir, compressor and refrigeration plant | |
| CN208669414U (en) | A kind of auto pump water inlet pipe | |
| CN219282653U (en) | Self-sealing battery cooling connecting pipe structure | |
| CN210770831U (en) | Municipal administration rainwater pipeline's seal structure | |
| CN219809551U (en) | Drainage pipeline structure | |
| CN219888733U (en) | Pneumatic upward expansion type tank bottom valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |