CN111677959A - Radial and axial adjustment type reducing three-way pipe fitting - Google Patents
Radial and axial adjustment type reducing three-way pipe fitting Download PDFInfo
- Publication number
- CN111677959A CN111677959A CN202010461313.2A CN202010461313A CN111677959A CN 111677959 A CN111677959 A CN 111677959A CN 202010461313 A CN202010461313 A CN 202010461313A CN 111677959 A CN111677959 A CN 111677959A
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- axial
- plate
- driving
- positioning
- elastic
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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
- 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
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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
- 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
- F16L41/021—T- or cross-pieces
-
- 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
- F16L41/18—Branching pipes; Joining pipes to walls the branch pipe being movable
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a radial and axial adjusting type reducing three-way pipe fitting which comprises a straight-through pipe body, an elastic ring body, an arc-shaped floating plate, an elastic sealing plate, a radial driving mechanism and an axial driving mechanism, wherein the straight-through pipe body is provided with a through hole; the axial driving mechanism is additionally arranged, the axial driving rod is rotated to drive the axial clamping column and the axial threaded rod to rotate together, so that the positioning plate can perform axial telescopic motion, the whole radial driving mechanism is driven to perform axial telescopic motion, the axial telescopic degree of the elastic ring body is changed, the axial moving degree of the arc-shaped floating plate and the elastic sealing plate is finally changed, and axial adjustment is realized.
Description
Technical Field
The invention relates to a radial and axial adjusting type reducing three-way pipe fitting.
Background
The tee joint is also called a pipe fitting tee joint or a tee pipe fitting, a tee joint and the like, is mainly used for changing the direction of fluid and is used at a branch pipe of a main pipeline; at present, a vertical pipe body structure is arranged on the middle side part of a straight-through pipe fitting of a general tee fitting, and a tee joint with a T-shaped structure for circulation through three openings is formed, however, the vertical pipe body arranged on the middle side part of the straight-through pipe fitting in the existing tee joint is generally the caliber of a fixed structure, and cannot adjust the caliber size and the flow size, so that the problems of narrow application range, inflexibility in use and incapability of adjusting the flow size exist in the actual use process, and in addition, the vertical pipe body arranged on the middle side part of the straight-through pipe fitting cannot axially stretch and move, and the use and assembly process is very inflexibility.
Disclosure of Invention
Aiming at the defects of the prior art, the invention solves the problems that: a radially and axially adjustable reducing tee is provided.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a radial and axial adjustment type reducing three-way pipe fitting comprises a straight-through pipe body, an elastic ring body, an arc-shaped floating plate, an elastic sealing plate, a radial driving mechanism and an axial driving mechanism; the middle of the side part of the straight-through pipe body is provided with a notch; an elastic ring body is arranged on the outer side of the gap; the inner end of the elastic ring body is hermetically connected with the periphery of the outer side of the gap; two arc floating plates are arranged; the left side and the right side of the outer end of the elastic ring body are respectively connected with an arc-shaped floating plate; two elastic closing plates are arranged; the upper side and the lower side of the outer end of the elastic ring body are respectively provided with an elastic closing plate; the two arc-shaped floating plates and the two elastic sealing plates are hermetically connected and enclose an annular structure; the inner ends of the two arc-shaped floating plates and the two elastic closing plates are hermetically connected with the outer end of the elastic ring body; the middle of the outer side of the arc-shaped floating plate is respectively provided with a rotary clamping groove; two radial driving mechanisms are arranged; the outer sides of the arc-shaped floating plates are respectively provided with a radial driving mechanism; the radial driving mechanism comprises a floating threaded column, a driving internal threaded barrel, a driving plate and a positioning plate; the inner end of the floating threaded column is provided with a rotary clamping tooth; the floating threaded column is rotationally clamped on the rotary clamping groove in the middle of the outer side of the arc-shaped floating plate through the rotary clamping teeth at the inner end; two sides of the straight-through pipe body are respectively and fixedly provided with a positioning plate; a driving plate is respectively arranged on the outer sides of the positioning plates; a driving internal thread cylinder is vertically arranged in the middle of the inner side of the driving plate; one end of the driving internal thread cylinder is fixedly connected to the middle of the inner side of the driving plate, and the other end of the driving internal thread cylinder penetrates through the positioning plate and then is in threaded sleeve joint with the periphery of the outer end of the floating thread column; the upper end and the lower end of the inner side of the driving plate are respectively provided with a positioning clamping tooth; a positioning clamping ring groove is formed in the outer side below the positioning plate; the driving plate is rotatably clamped on the positioning clamping ring groove through positioning clamping teeth at the upper end and the lower end of the inner side; the positioning plate is arranged on the side part of the straight-through pipe body through the axial driving mechanism; the axial driving mechanism comprises an axial cylinder, an axial driving rod, an axial clamping column and an axial threaded rod; two axial columns are respectively arranged on two sides of the straight-through pipe body; the axial column body is provided with a hollow driving groove; the lower end of the hollow driving groove is provided with a communicated rotary clamping groove; the lower end of the rotary clamping groove is communicated with an axial through channel; the upper end of the positioning plate is provided with an axial thread channel; an axial driving rod is arranged in the hollow driving groove of the axial column body; the rotary clamping groove is internally and rotationally clamped with the axial clamping column; the lower end of the axial driving rod is connected with the upper end of the axial clamping column; the upper end of the axial threaded rod is connected in the axial through channel in a penetrating manner and is connected to the lower end of the axial clamping column; and the lower end of the axial threaded rod is in threaded connection with the axial threaded channel at the upper end of the positioning plate.
Further, the hollow driving groove and the axial driving rod are both in T-shaped structures; the axial clamping column and the rotary clamping groove are both cylindrical structures; the diameter of the axial clamping column is larger than the maximum width of the lower end face of the hollow driving groove and the maximum diameter of the axial cross-connecting channel.
Further, the axial driving mechanism further comprises an axial elastic body; connecting ring grooves are respectively formed in the upper end of the positioning plate and the periphery of the lower end of the axial column body; an axial elastic body is arranged between the upper end of the positioning plate and the connecting ring groove at the lower end of the axial column body; the axial elastic body is of a ring structure.
Furthermore, the upper side and the lower side of the positioning clamping ring groove of the positioning plate are respectively provided with a positioning guide cylinder; a positioning guide rod is vertically arranged on the upper part and the lower part of the outer side of the arc-shaped floating plate respectively; the positioning guide rods are respectively inserted and connected to the positioning guide cylinders.
Furthermore, the elastic ring body is of a conical structure with a small inner end and a large outer end.
Furthermore, the longitudinal sections of the positioning clamping teeth and the positioning clamping ring grooves are both in T-shaped structures.
Furthermore, the longitudinal sections of the rotary clamping teeth and the rotary clamping grooves are both in T-shaped structures.
Further, the elastic ring body and the elastic closing plate are both made of elastic rubber materials.
The invention has the advantages of
1. The axial driving mechanism is additionally arranged, the axial driving rod is rotated to drive the axial clamping column and the axial threaded rod to rotate together, so that the positioning plate can perform axial telescopic motion, the whole radial driving mechanism is driven to perform axial telescopic motion, the axial telescopic degree of the elastic ring body is changed, the axial moving degree of the arc-shaped floating plate and the elastic sealing plate is finally changed, and axial adjustment is realized.
2. The invention installs an elastic ring body outside a gap, the left and right sides of the outer end of the elastic ring body are respectively connected with an arc-shaped floating plate, the upper and lower sides of the outer end of the elastic ring body are respectively provided with an elastic sealing plate, the two arc-shaped floating plates and the two elastic sealing plates are in sealed connection and enclose an annular structure, the inner ends of the two arc-shaped floating plates and the two elastic sealing plates are respectively in sealed connection with the outer end of the elastic ring body, thus, the driving plate drives a driving inner thread cylinder to rotate by rotating the driving plate, and the driving plate is rotationally clamped on a positioning clamping ring groove by positioning clamping teeth at the upper and lower ends of the inner side, so that when the driving plate drives the driving inner thread cylinder to rotate, a floating thread column can be driven to radially move, and the elastic sealing plate and the elastic ring body are pulled to transversely stretch by the, convenient operation and smart structure.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged schematic view of the radial drive mechanism of the present invention.
FIG. 3 is a schematic structural diagram of a ring body formed by the arc-shaped floating plate and the elastic closing plate.
Fig. 4 is an enlarged schematic view of the axial drive mechanism of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, a radial and axial adjustment type reducing tee pipe fitting comprises a straight pipe body 1, an elastic ring body 2, an arc-shaped floating plate 4, an elastic sealing plate 3, a radial driving mechanism 5 and an axial driving mechanism 7; a notch 11 is formed in the middle of the side part of the straight-through pipe body 1; the elastic ring body 2 is arranged on the outer side of the gap 11; the inner end of the elastic ring body 2 is hermetically connected with the periphery of the outer side of the gap 11; two arc floating plates 4 are arranged; the left side and the right side of the outer end of the elastic ring body 2 are respectively connected with an arc-shaped floating plate 4; two elastic closing plates 3 are arranged; the upper side and the lower side of the outer end of the elastic ring body 2 are respectively provided with an elastic closing plate 3; the two arc-shaped floating plates 4 and the two elastic sealing plates 3 are hermetically connected and enclose an annular structure; the inner ends of the two arc-shaped floating plates 4 and the two elastic closing plates 3 are hermetically connected with the outer end of the elastic ring body 2; the middle of the outer side of the arc-shaped floating plate 4 is respectively provided with a rotary clamping groove 41; two radial driving mechanisms 5 are arranged; the outer sides of the arc-shaped floating plates 4 are respectively provided with a radial driving mechanism 5; the radial driving mechanism 5 comprises a floating threaded column 54, a driving internal threaded barrel 53, a driving plate 52 and a positioning plate 51; the inner end of the floating threaded column 54 is provided with a rotary clamping tooth 541; the floating threaded column 54 is rotatably clamped on the rotary clamping groove 41 in the middle of the outer side of the arc-shaped floating plate 4 through the rotary clamping teeth 541 at the inner end; two sides of the straight-through pipe body 1 are respectively fixedly provided with a positioning plate 51; a driving plate 52 is respectively arranged at the outer side of the positioning plate 51; a driving internal thread cylinder 53 is vertically arranged in the middle of the inner side of the driving plate 52; one end of the driving internal thread cylinder 53 is fixedly connected to the middle of the inner side of the driving plate 52, and the other end of the driving internal thread cylinder passes through the positioning plate 51 and then is sleeved around the outer end of the floating thread column 54 in a threaded manner; the upper end and the lower end of the inner side of the driving plate 52 are respectively provided with a positioning clamping tooth 521; a positioning clamping ring groove 512 is arranged on the outer side below the positioning plate 51; the driving plate 52 is rotatably clamped on the positioning clamping ring groove 512 through the positioning clamping teeth 521 at the upper end and the lower end of the inner side. The positioning plate 51 is arranged on the side part of the straight-through pipe body 1 through the axial driving mechanism 7; the axial driving mechanism 7 comprises an axial column body 71, an axial driving rod 72, an axial clamping column 73 and an axial threaded rod 74; two axial columns 71 are respectively arranged on two sides of the straight-through pipe body 1; a hollow driving groove 711 is arranged on the axial column body 71; the lower end of the hollow driving groove 711 is provided with a rotary clamping groove 712 which is communicated with the hollow driving groove; the lower end of the rotary clamping groove 712 is communicated with an axial through channel 713; an axial thread channel 519 is arranged at the upper end of the positioning plate 51; an axial driving rod 72 is arranged in the hollow driving groove 711 of the axial column body 71; the rotary clamping groove 712 is internally and rotatably clamped with the axial clamping column 73; the lower end of the axial driving rod 72 is connected with the upper end of an axial clamping column 73; the upper end of the axial threaded rod 74 is penetrated in the axial penetrating channel 713 and connected to the lower end of the axial clamping column 73; the lower end of the axial threaded rod 74 is threadedly coupled within the axial threaded passage 519 at the upper end of the positioning plate 51.
As shown in fig. 1 to 4, it is further preferable that the hollow driving groove 711 and the axial driving rod 72 are both in a T-shaped structure; the axial clamping column 73 and the rotary clamping groove 712 are both cylindrical structures; the diameter of the axial clamping column 73 is larger than the maximum width of the lower end face of the hollow driving groove 711 and the maximum diameter of the axial through channel 713. Further, the axial driving mechanism 7 further includes an axial elastic body 75; the upper end of the positioning plate 51 and the periphery of the lower end of the axial column body 71 are respectively provided with a connecting ring groove 8; an axial elastic body 75 is arranged between the upper end of the positioning plate 51 and the connecting ring groove 8 at the lower end of the axial cylinder 71; the axial elastic body 75 is of a ring structure. Preferably, the upper side and the lower side of the positioning snap ring groove 512 of the positioning plate 51 are respectively provided with a positioning guide cylinder 511; a positioning guide rod 55 is vertically arranged on the upper part and the lower part of the outer side of the arc-shaped floating plate 4 respectively; the positioning guide rods 55 are inserted into and connected to the positioning guide cylinders 511, respectively. Furthermore, the elastic ring body 2 is of a conical structure with a small inner end and a large outer end. Further, the longitudinal sections of the positioning snap-in teeth 521 and the positioning snap-in ring groove 512 are both in a T-shaped structure. Further, the longitudinal sections of the rotary latch teeth 541 and the rotary latch groove 41 are both T-shaped. Further, the elastic ring body 2 and the elastic closing plate 3 are both made of elastic rubber materials.
The axial driving mechanism 7 is additionally arranged, the axial driving rod 72 is rotated to drive the axial clamping column 73 and the axial threaded rod 74 to rotate together, so that the positioning plate 51 performs axial telescopic motion, the whole radial driving mechanism 7 is driven to perform axial telescopic motion, the axial telescopic degree of the elastic ring body 2 is changed, the axial moving degree of the arc-shaped floating plate 4 and the elastic sealing plate 3 is finally changed, and axial adjustment is realized; the invention installs an elastic ring body 2 at the outer side of a gap 11, the left and right sides of the outer end of the elastic ring body 2 are respectively connected with an arc-shaped floating plate 4, the upper and lower sides of the outer end of the elastic ring body 2 are respectively provided with an elastic sealing plate 3, and are hermetically connected with the two elastic sealing plates 3 through the two arc-shaped floating plates 4 and the two elastic sealing plates 3 to form an annular structure, the inner ends of the two arc-shaped floating plates 4 and the two elastic sealing plates 3 are hermetically connected with the outer end of the elastic ring body 2, so that the driving plate 52 drives the driving inner thread cylinder 53 to rotate by rotating the driving plate 52, because the driving plate 52 is rotationally clamped on the positioning clamping ring groove 512 through the positioning clamping teeth 521 at the upper and lower ends of the inner side, when the driving plate 52 drives the driving inner thread cylinder 53 to rotate, the floating thread column 54 can be driven to radially move, thereby, thereby achieving the purpose of changing the caliber size and the flow size, and having convenient operation and ingenious structure.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A radial and axial adjustment type reducing three-way pipe fitting is characterized by comprising a straight-through pipe body, an elastic ring body, an arc-shaped floating plate, an elastic sealing plate, a radial driving mechanism and an axial driving mechanism; the middle of the side part of the straight-through pipe body is provided with a notch; an elastic ring body is arranged on the outer side of the gap; the inner end of the elastic ring body is hermetically connected with the periphery of the outer side of the gap; two arc floating plates are arranged; the left side and the right side of the outer end of the elastic ring body are respectively connected with an arc-shaped floating plate; two elastic closing plates are arranged; the upper side and the lower side of the outer end of the elastic ring body are respectively provided with an elastic closing plate; the two arc-shaped floating plates and the two elastic sealing plates are hermetically connected and enclose an annular structure; the inner ends of the two arc-shaped floating plates and the two elastic closing plates are hermetically connected with the outer end of the elastic ring body; the middle of the outer side of the arc-shaped floating plate is respectively provided with a rotary clamping groove; two radial driving mechanisms are arranged; the outer sides of the arc-shaped floating plates are respectively provided with a radial driving mechanism; the radial driving mechanism comprises a floating threaded column, a driving internal threaded barrel, a driving plate and a positioning plate; the inner end of the floating threaded column is provided with a rotary clamping tooth; the floating threaded column is rotationally clamped on the rotary clamping groove in the middle of the outer side of the arc-shaped floating plate through the rotary clamping teeth at the inner end; two sides of the straight-through pipe body are respectively and fixedly provided with a positioning plate; a driving plate is respectively arranged on the outer sides of the positioning plates; a driving internal thread cylinder is vertically arranged in the middle of the inner side of the driving plate; one end of the driving internal thread cylinder is fixedly connected to the middle of the inner side of the driving plate, and the other end of the driving internal thread cylinder penetrates through the positioning plate and then is in threaded sleeve joint with the periphery of the outer end of the floating thread column; the upper end and the lower end of the inner side of the driving plate are respectively provided with a positioning clamping tooth; a positioning clamping ring groove is formed in the outer side below the positioning plate; the driving plate is rotatably clamped on the positioning clamping ring groove through positioning clamping teeth at the upper end and the lower end of the inner side; the positioning plate is arranged on the side part of the straight-through pipe body through the axial driving mechanism; the axial driving mechanism comprises an axial cylinder, an axial driving rod, an axial clamping column and an axial threaded rod; two axial columns are respectively arranged on two sides of the straight-through pipe body; the axial column body is provided with a hollow driving groove; the lower end of the hollow driving groove is provided with a communicated rotary clamping groove; the lower end of the rotary clamping groove is communicated with an axial through channel; the upper end of the positioning plate is provided with an axial thread channel; an axial driving rod is arranged in the hollow driving groove of the axial column body; the rotary clamping groove is internally and rotationally clamped with the axial clamping column; the lower end of the axial driving rod is connected with the upper end of the axial clamping column; the upper end of the axial threaded rod is connected in the axial through channel in a penetrating manner and is connected to the lower end of the axial clamping column; and the lower end of the axial threaded rod is in threaded connection with the axial threaded channel at the upper end of the positioning plate.
2. The radially and axially adjusting reducing tee fitting of claim 1, wherein said hollowed drive groove and axial drive stem are each of a T-shaped configuration; the axial clamping column and the rotary clamping groove are both cylindrical structures; the diameter of the axial clamping column is larger than the maximum width of the lower end face of the hollow driving groove and the maximum diameter of the axial cross-connecting channel.
3. The radially and axially adjusting reducing tee fitting of claim 1, wherein said axial drive mechanism further comprises an axial elastomer; connecting ring grooves are respectively formed in the upper end of the positioning plate and the periphery of the lower end of the axial column body; an axial elastic body is arranged between the upper end of the positioning plate and the connecting ring groove at the lower end of the axial column body; the axial elastic body is of a ring structure.
4. The radially and axially adjustable reducing tee fitting according to claim 1, wherein the positioning plate is provided with a positioning guide cylinder on each of the upper and lower sides of the positioning snap ring groove; a positioning guide rod is vertically arranged on the upper part and the lower part of the outer side of the arc-shaped floating plate respectively; the positioning guide rods are respectively inserted and connected to the positioning guide cylinders.
5. The radially and axially adjusting reducer tee fitting of claim 1, wherein said resilient ring body is of a tapered configuration with a small inner end and a large outer end.
6. The radially and axially adjustable reducer tee fitting of claim 1, wherein the longitudinal cross-sections of said locating snap teeth and said locating snap ring grooves are each of a T-shaped configuration.
7. The radially and axially adjusting reducing tee fitting of claim 1, wherein said rotating snap teeth and said rotating snap grooves are each T-shaped in longitudinal cross-section.
8. The radially and axially adjusting reducer tee fitting of claim 1, wherein said resilient ring and resilient closure plate are each made of a resilient rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010461313.2A CN111677959A (en) | 2020-05-27 | 2020-05-27 | Radial and axial adjustment type reducing three-way pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010461313.2A CN111677959A (en) | 2020-05-27 | 2020-05-27 | Radial and axial adjustment type reducing three-way pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111677959A true CN111677959A (en) | 2020-09-18 |
Family
ID=72434434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010461313.2A Withdrawn CN111677959A (en) | 2020-05-27 | 2020-05-27 | Radial and axial adjustment type reducing three-way pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111677959A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112456166A (en) * | 2020-11-10 | 2021-03-09 | 东台市高科技术创业园有限公司 | Electronic connector processing garbage collection mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080072983A1 (en) * | 2006-09-21 | 2008-03-27 | Wu Shih Ming | Flat Pipe Suitable for Variable Flow Capacity |
| CN106051330A (en) * | 2016-07-21 | 2016-10-26 | 中山市庆谊金属制品企业有限公司 | Novel water pipe |
| CN107614951A (en) * | 2015-03-06 | 2018-01-19 | Cr有限公司 | Pipeline and its manufacture method |
| CN109966902A (en) * | 2019-01-23 | 2019-07-05 | 山东神华山大能源环境有限公司 | A kind of vane-type variable diameter Venturi throat |
| CN210291091U (en) * | 2019-05-22 | 2020-04-10 | 熙诚环保科技（苏州）有限公司 | Combined vertical three-way pipe |
-
2020
- 2020-05-27 CN CN202010461313.2A patent/CN111677959A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080072983A1 (en) * | 2006-09-21 | 2008-03-27 | Wu Shih Ming | Flat Pipe Suitable for Variable Flow Capacity |
| CN107614951A (en) * | 2015-03-06 | 2018-01-19 | Cr有限公司 | Pipeline and its manufacture method |
| CN106051330A (en) * | 2016-07-21 | 2016-10-26 | 中山市庆谊金属制品企业有限公司 | Novel water pipe |
| CN109966902A (en) * | 2019-01-23 | 2019-07-05 | 山东神华山大能源环境有限公司 | A kind of vane-type variable diameter Venturi throat |
| CN210291091U (en) * | 2019-05-22 | 2020-04-10 | 熙诚环保科技（苏州）有限公司 | Combined vertical three-way pipe |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112456166A (en) * | 2020-11-10 | 2021-03-09 | 东台市高科技术创业园有限公司 | Electronic connector processing garbage collection mechanism |
| CN112456166B (en) * | 2020-11-10 | 2022-02-15 | 东台市高科技术创业园有限公司 | Electronic connector processing garbage collection mechanism |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200918 |
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| WW01 | Invention patent application withdrawn after publication |