CN116892659B - Plastic pipe joint for water supply hose - Google Patents
Plastic pipe joint for water supply hose Download PDFInfo
- Publication number
- CN116892659B CN116892659B CN202311165078.4A CN202311165078A CN116892659B CN 116892659 B CN116892659 B CN 116892659B CN 202311165078 A CN202311165078 A CN 202311165078A CN 116892659 B CN116892659 B CN 116892659B
- Authority
- CN
- China
- Prior art keywords
- connector
- rear shell
- fixedly arranged
- worm
- connecting ring
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 239000004033 plastic Substances 0.000 title claims abstract description 12
- 229920003023 plastic Polymers 0.000 title claims abstract description 12
- 238000001914 filtration Methods 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims description 19
- 230000001681 protective effect Effects 0.000 claims description 6
- 229920001875 Ebonite Polymers 0.000 claims description 3
- 238000003491 array Methods 0.000 claims 1
- 210000001503 joint Anatomy 0.000 abstract description 9
- 238000005406 washing Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/22—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts
- F16L33/223—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with means not mentioned in the preceding groups for gripping the hose between inner and outer parts the sealing surfaces being pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- 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
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/02—Branch units, e.g. made in one piece, welded, riveted
- F16L41/03—Branch units, e.g. made in one piece, welded, riveted comprising junction pieces for four or more pipe members
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Treatment By Sorption (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a plastic pipe joint for a water supply hose, which relates to the technical field of pipeline butt joint and comprises a split type filtering mechanism, an interface locking mechanism and a channel control mechanism; the split filter mechanism includes: a connecting ring, a movable lock catch and a bolt; the go-between has a plurality of, and a plurality of go-between is adjacent to be connected, and slidable mounting has two movable catches on every go-between, is equipped with the round hole on the movable catch, round hole and bolt sliding connection, but the butt joint pipeline of this device installs split filter mechanism, can shunt one or two filter interface, and filter mechanism's go-between is independent convenient change and washing simultaneously, can change the quality of water to the level that can use through filter mechanism, can carry out the use of more scenes.
Description
Technical Field
The invention relates to the technical field of pipeline butt joint, in particular to a plastic pipe joint for a water supply hose.
Background
Conventionally, cast iron pipes or steel pipes have been used for cold water pipes and hot water pipes, but in recent years, pipes molded from plastics such as polyethylene, crosslinked polyethylene, polybutylene, and ethylene-octene copolymer have been used as pipes for cold water pipes and hot water pipes, pipes for heating floors, and pipes for heating road surfaces in personal houses, collective houses, commercial buildings, and the like, from the viewpoints of corrosion resistance, shock resistance, hygiene, workability, and cost.
The Chinese patent application No. CN201711254474.9 discloses a joint for a plastic pipe, which comprises a main body, two jackets and a lining, wherein the lining is arranged in an inner hole of the main body, and the two jackets are respectively sleeved on the periphery of the main body.
When the pipeline is in butt joint, only one joint can be in butt joint, the requirements are difficult to meet under a complex environment, and the water quality can only be simply in butt joint of the water pipes, so that the property of water media can not be changed, and various use specifications are achieved.
Disclosure of Invention
The technical scheme adopted by the invention is as follows: a plastic pipe joint for a water supply hose comprises a split type filtering mechanism, an interface locking mechanism and a channel control mechanism; the split-type filtering mechanism comprises: a connecting ring, a movable lock catch and a bolt; the connecting rings are provided with a plurality of connecting rings which are adjacently connected, each connecting ring is provided with two movable locks in a sliding way, each movable lock is provided with a round hole, and the round holes are in sliding connection with bolts.
Preferably, the split-type filtering mechanism further comprises: a filter screen and a sealing ring; one side of each connecting ring is fixedly provided with a sealing ring, and the inner ring of each connecting ring is fixedly provided with a filter screen.
Preferably, the interface locking mechanism includes: the device comprises a connector, a dead lock catch, a knob, a pressing sheet and a guide port; the connecting head is connected with the outermost connecting ring in a sealing way, and the deadlock buckle is fixedly connected with the connecting head; the screw thread on the knob meshes with the screw thread on the connector, and the preforming rotates and installs on the dumpling seat on the connector, and the preforming uses the centre of a circle of connector as central array installation a plurality of, fixed connection between guide mouth and the connector.
Preferably, the channel control mechanism includes: the device comprises a rear shell, a bracket, a rack, a slide bar, a rotating shaft, a driven gear, a worm wheel, a worm, a handle and a sealing component; the rack is slidably arranged in a square hole on the bracket, the bracket is fixedly arranged in the rear shell, and the slide bar is fixedly arranged on the side surface of the rack; the rotary shaft is rotatably arranged in a round hole on the rear shell, the rotary shaft is fixedly provided with a driven gear and a worm wheel, the driven gear is meshed with the rack, the worm wheel is meshed with the worm, the worm is rotatably arranged in a convex round hole on the outer wall of the rear shell, and the handle is fixedly arranged at one end of the worm.
Preferably, the seal assembly includes: a valve, a short rod and an extension rod; the valve is connected with the short rod in a sliding way, the short rod is fixedly arranged on two sides of the inner wall of the rear shell, the extension rod is fixedly arranged in the middle of the valve, and a square hole is formed in the extension rod and is connected with the sliding rod in a sliding way.
Preferably, the channel control mechanism further comprises: a buckle, a front shell and a protective shell; the buckles are fixedly arranged at three outlets on the rear shell; the front shell is fixedly connected with the rear shell, and an interface locking mechanism is fixedly arranged at the inlet end of the front shell; the protective housing fixed mounting is in the top of back shell.
Preferably, the rear shell is provided with three through holes, and each through hole is connected with a connecting ring or a connector; each through hole is provided with a threaded hole, and the threaded holes can be in threaded connection with bolts.
Preferably, the sealing ring is made of hard rubber.
Compared with the prior art, the invention has the beneficial effects that:
1. when the device is used, the water inlet pipe can be abutted and split into a plurality of water outlet pipelines, and the application range can be increased.
2. The split type filtering mechanism is installed on the butt joint pipeline of the device, one or two filtering interfaces can be split, meanwhile, the connecting rings of the filtering mechanism are independent and convenient to replace and clean, water quality can be changed to a level capable of being applied through the filtering mechanism, and more scenes can be used.
3. The device can freely adjust the number of the water outlet pair interfaces, can selectively use specific water outlets and the number, and is very convenient.
Drawings
Figure 1 is an isometric view of the overall structure of the present invention.
Fig. 2 is a top view of the overall structure of the present invention.
FIG. 3 is a schematic diagram of the overall structure of the present invention in a split state.
Fig. 4 is a schematic structural view of the filtering mechanism of the present invention.
Fig. 5 is a split exploded view of the filter mechanism of the present invention.
Fig. 6 is a detailed view of the connecting ring of the present invention.
Fig. 7 is a schematic cross-sectional view of the interface locking mechanism of the present invention.
Fig. 8 is a detail view of the interface locking mechanism of the present invention.
Fig. 9 is an enlarged schematic view of the interface locking mechanism of the present invention.
Fig. 10 is an external view of the channel control mechanism of the present invention.
Fig. 11 is a schematic view of the internal structure of the channel control mechanism of the present invention.
Fig. 12 is a top cross-sectional view of the channel control mechanism of the present invention.
Fig. 13 is a schematic view of the details of the housing of the present invention.
Reference numerals: 1-a connecting ring; 2-a movable lock catch; 3-bolts; 4, filtering the mixture by a filter screen; 5-a sealing ring; 6-a connector; 7-dead lock catch; 8-a knob; 9-tabletting; 10-a guide port; 11-a rear housing; 12-clamping buckle; 13-a front housing; 14-a bracket; 15-a rack; 16-slide bar; 17-rotating shaft; 18-a driven gear; 19-worm gear; 20-worm; 21-a handle; 22-valve; 23-short bar; 24-extension rod; 25-protective shell.
Detailed Description
1-13, a plastic pipe joint for a water supply hose comprises a split type filtering mechanism, an interface locking mechanism and a channel control mechanism; in an alternative embodiment of the present invention, as shown in fig. 4 and 5, the split-type filtering mechanism includes: the connecting ring 1, the movable lock catch 2 and the bolt 3; the connecting rings 1 are provided with a plurality of connecting rings 1 which are adjacently connected, each connecting ring 1 is provided with two movable catches 2 in a sliding way, each movable catch 2 is provided with a round hole, the round holes are in sliding connection with bolts 3, and the bolts 3 penetrate the movable catches 2 so as to keep the movable catches 2 on the same horizontal line, and therefore the connection of the connecting rings 1 is kept tight.
In an alternative embodiment of the present invention, as shown in fig. 6, the split-type filtering mechanism further includes: a filter screen 4 and a sealing ring 5; a sealing ring 5 is fixedly arranged on one side of each connecting ring 1, so that a plurality of connecting rings 1 are connected to keep sealing, the inner rings of the connecting rings 1 are fixedly provided with filter screens 4, the filter screens 4 arranged in different connecting rings 1 have different filter grades, and the filter effect of the filter screens 4 in the connected connecting rings 1 is gradually enhanced; the split type filtering mechanism of the device can be split, a plurality of connecting rings 1 are loosened to be connected, the connecting rings 1 which are separated by the connecting rings are extracted to form a new filtering mechanism, two movable locks 2 are arranged on the extracted connecting rings 1, one movable lock 2 is rotated to the other end of the connecting ring 1 to form a new locking passage, so that bolts 3 are convenient to insert, that is, the device can provide at most two paths of filtering passages and can split one or two filtering interfaces according to requirements; each attachment ring 1 is independent and facilitates replacement or cleaning of the filter screen 4.
In an alternative embodiment of the present invention, as shown in fig. 8 and 9, the interface locking mechanism includes: the connector 6, the deadlock buckle 7, the knob 8, the pressing piece 9 and the guiding port 10; the connector 6 is in sealing connection with the outermost connecting ring 1, and the deadlock buckle 7 is fixedly connected with the connector 6; the screw thread on the knob 8 meshes with the screw thread on the connector 6, and the preforming 9 rotates and installs on the dumpling seat on the connector 6, and preforming 9 uses the centre of a circle of connector 6 to install a plurality ofly as central array, and when manual knob 8 of rotating, knob 8 can inwards move to make knob 8 extrude the inclined plane of preforming 9, thereby make preforming 9 radial rotation, fixed connection between guiding mouth 10 and the connector 6, guiding mouth 10 extends certain distance, make things convenient for the water pipe cover to on guiding mouth 10.
In an alternative embodiment of the present invention, as shown in fig. 11 and 12, the channel control mechanism includes: rear housing 11, bracket 14, rack 15, slide bar 16, spindle 17, driven gear 18, worm gear 19, worm 20, handle 21 and seal assembly; the rack 15 is slidably arranged in a square hole on the bracket 14, the bracket 14 is fixedly arranged in the rear shell 11, and the slide bar 16 is fixedly arranged on the side surface of the rack 15; the rotary shaft 17 is rotatably arranged in a round hole on the rear shell 11, the rotary shaft 17 is fixedly provided with a driven gear 18 and a worm wheel 19, the driven gear 18 is meshed with the rack 15, the worm wheel 19 is meshed with a worm 20, the worm 20 is rotatably arranged in a convex round hole on the outer wall of the rear shell 11, and the handle 21 is fixedly arranged at one end of the worm 20.
In an alternative embodiment of the present invention, as shown in fig. 11 and 12, the sealing assembly includes: a valve 22, a short rod 23 and an extension rod 24; the valve 22 is in sliding connection with the short rod 23, the short rod 23 is fixedly arranged on two sides of the inner wall of the rear shell 11, the extension rod 24 is fixedly arranged in the middle of the valve 22, a square hole is formed in the extension rod 24, the square hole is in sliding connection with the sliding rod 16, when the sliding rod 16 slides under the driving of the rack 15, the extension rod 24 is driven to move towards the direction of the rack 15, and accordingly the valve 22 is driven to slide on the short rod 23, and the through hole is closed or opened.
In an alternative embodiment of the present invention, as shown in fig. 10, the channel control mechanism further includes: clasp 12, front housing 13, protective shell 25; the buckles 12 are fixedly arranged at three outlets on the rear shell 11 and are used for clamping the dead lock catches 7, namely the connectors 6; the front shell 13 is fixedly connected with the rear shell 11, and an interface locking mechanism is fixedly arranged at the inlet end of the front shell 13; a protective shell 25 is fixedly mounted on the rear housing 11 and serves to protect the internal components.
In an alternative embodiment of the present embodiment, as shown in fig. 10, the rear housing 11 is provided with three ports, and each port is connected with the connection ring 1 or the connection head 6; each through hole is provided with a threaded hole, and the threaded holes can be in threaded connection with the bolts 3.
In an alternative embodiment of the present invention, as shown in fig. 6, the sealing ring 5 is made of hard rubber, so that the sealing ring is conveniently mounted on the side surface of the connecting ring 1 by a screw, and the sealing ring is not easy to deform and has long service life.
Working principle:
the device is a water hose connecting assembly, a plurality of water hoses are connected together through the device, when the device is used, a pipeline at a water inlet is connected, the pipeline is aligned to a guide opening 10 at the water inlet, a water pipe is sleeved easily through the inclined surface of the guide opening 10, the water pipe is pushed to the bottom by force, the water pipe is arranged between a pressing sheet 9 and the guide opening 10, a knob 8 is manually rotated in the next step, the knob 8 is in threaded connection with a connector 6 to enable the knob 8 to move inwards, so that the pressing sheet 9 is pressed radially, the water pipe is forced to be pressed by the pressing sheet 9, and a water inlet pipe is connected; the device is provided with three water outlets, can be used for selecting and butting according to actual conditions, and can split three pipelines at most, wherein the split port is provided with a filtering mechanism which can further filter water quality to achieve a drinking level, the problem of no drinking water can be solved in industrial use, a plurality of connecting rings 1 are arranged in the mechanism and are adjacently and overlapped and connected, one end of each bolt 3 is inserted into a round hole in the movable lock catch 2, then one end of each bolt 3 is inserted into a threaded hole in the position of the through hole of the rear shell 11, the bolts 3 are screwed by a screwdriver, the connector 6 at the outermost end can be inwards extruded, the connecting rings 1 are tightly connected, the connector 6 at the outermost end can be butted with an outlet pipe, and the butting mode is the same as that of the water inlets; the rest outlets directly rotate the deadlock buckles 7 of the interface locking mechanism into buckles 12 to finish butt joint, and the interface locking mechanism is used as a standby outlet; the split type filtering mechanism of the device can be split, a plurality of connecting rings 1 are loosened to be connected, the connecting rings 1 which are separated by the connecting rings are extracted to form a new filtering mechanism, two movable locks 2 are arranged on the extracted connecting rings 1, one movable lock 2 is rotated to the other end of the connecting ring 1 to form a new locking passage, so that bolts 3 are convenient to insert, that is, the device can provide at most two paths of filtering passages, the use functionality is greatly improved, and each connecting ring 1 is independent, so that the filter screen 4 is convenient to replace or clean; the fourth state can be split into the fifth state.
The device can also control three outlets when in use, achieve selective butt joint, can be connected in all, can be directly connected with one or two handles 21, specifically, two handles 21 capable of rotating are arranged on the outer side of the rear shell 11, each handle 21 can independently control the opening and closing of the outlet on the side face, specifically, the handle 21 is rotated to drive the worm 20 to rotate so as to drive the worm wheel 19 to rotate, the driven gear 18 is driven to rotate through the rotating shaft 17, the driven gear 18 drives the rack 15 to slide, the slide rod 16 on the rack 15 drives the extension rod 24 to slide so as to drive the valve 22 to slide, thereby controlling the valve 22 to be closed or opened, and the worm wheel 19 and the worm 20 have self-locking property, so that the valve 22 cannot be loosened, and the opening and the closing of the opening can be controlled when the opening are needed, but at least one long through opening is needed.
Claims (4)
1. A plastic pipe joint for a water supply hose, which is characterized in that: comprises a split type filtering mechanism, an interface locking mechanism and a channel control mechanism; the split-type filtering mechanism comprises: the connecting ring (1), the movable lock catch (2) and the bolt (3); the connecting rings (1) are provided with a plurality of connecting rings (1) which are adjacently connected, each connecting ring (1) is provided with two movable locks (2) in a sliding manner, each movable lock (2) is provided with a round hole, and the round holes are in sliding connection with the bolts (3);
the channel control mechanism comprises: the device comprises a rear shell (11), a bracket (14), a rack (15), a slide bar (16), a rotating shaft (17), a driven gear (18), a worm wheel (19), a worm (20), a handle (21) and a sealing assembly; the rack (15) is slidably arranged in a square hole on the bracket (14), the bracket (14) is fixedly arranged in the rear shell (11), and the slide bar (16) is fixedly arranged on the side surface of the rack (15); the rotary shaft (17) is rotatably arranged in a round hole on the rear shell (11), the rotary shaft (17) is fixedly provided with a driven gear (18) and a worm wheel (19), the driven gear (18) is meshed with the rack (15), the worm wheel (19) is meshed with a worm (20), the worm (20) is rotatably arranged in a convex round hole on the outer wall of the rear shell (11), and the handle (21) is fixedly arranged at one end of the worm (20);
the seal assembly includes: a valve (22), a short rod (23) and an extension rod (24); the valve (22) is in sliding connection with the short rod (23), the short rod (23) is fixedly arranged on two sides of the inner wall of the rear shell (11), the extension rod (24) is fixedly arranged in the middle of the valve (22), a square hole is formed in the extension rod (24), and the square hole is in sliding connection with the sliding rod (16);
the channel control mechanism further comprises: a buckle (12), a front shell (13) and a protective shell (25); the buckles (12) are fixedly arranged at three outlets on the rear shell (11); the front shell (13) is fixedly connected with the rear shell (11), and an interface locking mechanism is fixedly arranged at the inlet end of the front shell (13); the protective shell (25) is fixedly arranged on the rear shell (11);
the rear shell (11) is provided with three through holes, and each through hole is connected with a connecting ring (1) or a connector (6); each through hole is provided with a threaded hole, and the threaded holes can be in threaded connection with bolts (3).
2. The plastic pipe joint for a water hose according to claim 1, wherein said split-type filtering mechanism further comprises: a filter screen (4) and a sealing ring (5); one side of each connecting ring (1) is fixedly provided with a sealing ring (5), and the inner ring of each connecting ring (1) is fixedly provided with a filter screen (4).
3. A plastic pipe joint for a water hose according to claim 1, wherein said joint locking mechanism comprises: the device comprises a connector (6), a deadlock buckle (7), a knob (8), a pressing piece (9) and a guide port (10); the connector (6) is connected with the outermost connecting ring (1) in a sealing way, and the deadlock buckle (7) is fixedly connected with the connector (6); screw threads on the knob (8) are meshed with screw threads on the connector (6), the pressing sheet (9) is rotatably arranged on a dumpling seat on the connector (6), the pressing sheet (9) is arranged in a plurality of arrays by taking the circle center of the connector (6) as the center, and the guide opening (10) is fixedly connected with the connector (6).
4. A plastic pipe joint for a water supply hose according to claim 2, characterized in that the sealing ring (5) is made of hard rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311165078.4A CN116892659B (en) | 2023-09-11 | 2023-09-11 | Plastic pipe joint for water supply hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311165078.4A CN116892659B (en) | 2023-09-11 | 2023-09-11 | Plastic pipe joint for water supply hose |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116892659A CN116892659A (en) | 2023-10-17 |
| CN116892659B true CN116892659B (en) | 2023-12-26 |
Family
ID=88313847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311165078.4A Active CN116892659B (en) | 2023-09-11 | 2023-09-11 | Plastic pipe joint for water supply hose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116892659B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205785721U (en) * | 2016-07-06 | 2016-12-07 | 天津港中化石化码头有限公司 | Gas-tight test pressure observation device |
| CN206295651U (en) * | 2016-11-01 | 2017-07-04 | 诺尔捷（天津）科技有限公司 | A kind of OIL IN LUBRICATING OIL PRODUCTION filter |
| CN211799095U (en) * | 2020-02-25 | 2020-10-30 | 南京天水机械设备有限公司 | Former pretreatment of water device with multiple filtration |
| CN212818528U (en) * | 2020-06-04 | 2021-03-30 | 平凉市宝马纸业有限责任公司 | Multi-disc filter |
| CN114183621A (en) * | 2021-12-13 | 2022-03-15 | 江苏联新阀门有限公司 | Valve with adjustable caliber for sewage treatment pipeline |
| CN216306738U (en) * | 2021-08-10 | 2022-04-15 | 江苏海诺机械制造有限公司 | Valve seal protection device for oil field |
| CN216383024U (en) * | 2021-12-16 | 2022-04-26 | 滕州市大宏机械制造有限公司 | High-temperature-resistant high-speed rotary joint structure |
| CN216975907U (en) * | 2022-02-25 | 2022-07-15 | 山东鼎梁消防科技有限公司 | Spring full-open type threaded connection safety valve |
| CN219159643U (en) * | 2022-12-05 | 2023-06-09 | 山东星志智能交通科技股份有限公司 | Linear flow-regulating water valve |
-
2023
- 2023-09-11 CN CN202311165078.4A patent/CN116892659B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205785721U (en) * | 2016-07-06 | 2016-12-07 | 天津港中化石化码头有限公司 | Gas-tight test pressure observation device |
| CN206295651U (en) * | 2016-11-01 | 2017-07-04 | 诺尔捷（天津）科技有限公司 | A kind of OIL IN LUBRICATING OIL PRODUCTION filter |
| CN211799095U (en) * | 2020-02-25 | 2020-10-30 | 南京天水机械设备有限公司 | Former pretreatment of water device with multiple filtration |
| CN212818528U (en) * | 2020-06-04 | 2021-03-30 | 平凉市宝马纸业有限责任公司 | Multi-disc filter |
| CN216306738U (en) * | 2021-08-10 | 2022-04-15 | 江苏海诺机械制造有限公司 | Valve seal protection device for oil field |
| CN114183621A (en) * | 2021-12-13 | 2022-03-15 | 江苏联新阀门有限公司 | Valve with adjustable caliber for sewage treatment pipeline |
| CN216383024U (en) * | 2021-12-16 | 2022-04-26 | 滕州市大宏机械制造有限公司 | High-temperature-resistant high-speed rotary joint structure |
| CN216975907U (en) * | 2022-02-25 | 2022-07-15 | 山东鼎梁消防科技有限公司 | Spring full-open type threaded connection safety valve |
| CN219159643U (en) * | 2022-12-05 | 2023-06-09 | 山东星志智能交通科技股份有限公司 | Linear flow-regulating water valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116892659A (en) | 2023-10-17 |
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