CN112178310A - Novel hydraulic quick joint - Google Patents
Novel hydraulic quick joint Download PDFInfo
- Publication number
- CN112178310A CN112178310A CN202011203923.9A CN202011203923A CN112178310A CN 112178310 A CN112178310 A CN 112178310A CN 202011203923 A CN202011203923 A CN 202011203923A CN 112178310 A CN112178310 A CN 112178310A
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- China
- Prior art keywords
- threaded
- annular
- pair
- sleeved
- rod
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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
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/006—Screw-threaded joints; Forms of screw-threads for such joints with straight threads
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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
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/08—Screw-threaded joints; Forms of screw-threads for such joints with supplementary elements
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention discloses a novel hydraulic quick connector which comprises a round pipe, wherein a compression structure is arranged on the round pipe, a dispersion structure is arranged in the round pipe, and a limiting support structure is arranged on the round pipe; the compact structure includes: a pair of first nuts, a first annular frame and a threaded rod; the round pipe is provided with first external threads, the pair of first nuts are sleeved on the first external threads, a round pipe is fixed on the first nuts, a first annular gasket is sleeved on the round pipe, and the first annular gasket is provided with a plurality of first round through holes. The pipe bending device has the advantages that the compression structure can be compressed and fixed conveniently when being connected with a pipe, the connection is firm, the buffer effect is achieved through the dispersion structure, liquid is discharged in a dispersion mode conveniently, the disassembly is convenient, the installation is convenient, the pipe is supported conveniently through the limiting support structure, the pipe is prevented from being bent, and the use effect is improved.
Description
Technical Field
The invention relates to the field of quick connectors, in particular to a novel hydraulic quick connector.
Background
The quick connector is a connector which can realize the connection or disconnection of pipelines without tools. Quick-operation joint can divide into: the quick connector for air, the quick connector for oxygen and fuel gas, the quick connector for gas and liquid sharing, the quick connector for oil pressure, the quick connector for inert gas, the quick connector for cooling water and temperature oil and the quick connector for semiconductors.
When the quick connector is used, due to the fact that the structure is single, when the quick connector is connected with a pipe, the quick connector is easy to break away from the pipe, connection is not firm, when the quick connector is connected, the pipe at the joint is easy to bend, and the quick connector cannot be used, the traditional quick connector has certain limitation when being used, and therefore the device is researched and designed aiming at the problems.
Disclosure of Invention
The invention aims to solve the problems and designs a novel hydraulic quick connector.
The technical scheme of the invention is that the novel hydraulic quick connector comprises a round pipe, wherein a compression structure is arranged on the round pipe, a dispersion structure is arranged in the round pipe, and a limiting support structure is arranged on the round pipe;
the compact structure includes: a pair of first nuts, a first annular frame and a threaded rod;
the device comprises a round pipe, a pair of first nuts and a pressing plate, and is characterized in that first external threads are formed in the round pipe, the pair of first nuts are sleeved on the first external threads, a round cylinder is fixed on the first nuts, a first annular gasket is sleeved on the round cylinder, a plurality of first circular through holes are formed in the first annular gasket, a guide rod is inserted into each first circular through hole, the first annular frame is arranged on the plurality of guide rods, a pair of first threaded openings are formed in the side wall surface of the first annular frame, the pressing plate is inserted into the first threaded openings, and the pressing plate is installed at one end of the threaded rod.
The dispersion structure includes: a bearing, a disc and an inserted link;
the inner side wall surface of the circular tube is provided with a first circular groove, the side wall surface of the disc is provided with a plurality of second circular through holes, the side wall surface of the disc is provided with a second circular groove, the bearing is arranged in the second circular groove, the bearing is provided with a support rod, the insertion rods are respectively arranged on the support rods, the side wall surface of the cylinder is provided with a second threaded hole communicated with the wall surface of the first circular groove, the insertion rod is provided with a first threaded groove matched with the second threaded hole, and a first screw in lap joint with the first threaded groove is inserted in the second threaded hole.
Spacing bearing structure includes: a pair of second nuts, a sleeve, a cross bar and a pair of second annular frames;
the pair of second nuts are respectively sleeved on the round pipe and located between the pair of first nuts, second annular gaskets are respectively installed on the pair of second nuts, the cross rods are respectively and equidistantly arranged on the second annular gaskets, the sleeves are respectively sleeved on the cross rods, and the pair of second annular frames are respectively arranged on the plurality of sleeves.
The inclined grooves are formed in the two sides of the circular tube.
A frame body is fixed on the cylinder, and a second annular frame which is convenient for the guide rod to penetrate through is installed on the frame body.
The side wall surface of the sleeve is provided with a third threaded hole, the cross rod is provided with a second threaded groove matched with the third threaded hole, and a second screw lapped with the second threaded groove is inserted in the third threaded hole.
The supporting rod is sleeved with an annular gasket, a fourth threaded hole is formed in the annular gasket, a third threaded groove matched with the fourth threaded hole is formed in the side wall surface of the disc, and a third screw in lap joint with the third threaded groove is inserted in the fourth threaded hole.
The threaded rod is sleeved with an annular base plate, and the annular base plate is sleeved with a rubber mat.
And the first annular frame and the second annular frame are sleeved with second rubber pads.
And the second screw is sleeved with a sealing ring.
The novel hydraulic quick connector manufactured by the technical scheme of the invention has the advantages that the compression structure is convenient to compress and fix when being connected with a pipe, the connection is firm, the buffer effect is realized through the dispersion structure, the liquid is convenient to disperse and discharge, the disassembly and the installation are convenient, the pipe is convenient to support through the limiting support structure, the pipe is prevented from being bent, and the use effect is improved.
Drawings
Fig. 1 is a schematic structural diagram of a novel hydraulic quick coupling according to the present invention.
Fig. 2 is a side view of a disc of the novel hydraulic quick connector of the invention.
Fig. 3 is a circular tube side view of the novel hydraulic quick connector.
FIG. 4 is a second ring carrier side view of the new hydraulic quick connector of the present invention.
Fig. 5 is a side view of the insert rod of the novel hydraulic quick coupling of the invention.
FIG. 6 is a side view of the first annular frame of the new hydraulic quick connector of the present invention.
FIG. 7 is a side view of the first annular gasket of the new hydraulic quick connector of the present invention.
In the figure, 1, a circular tube; 2. a first nut; 3. a first annular frame; 4. a threaded rod; 5. a cylinder; 6. a first annular gasket; 7. a guide bar; 8. pressing a plate; 9. a disc; 10. inserting a rod; 11. a strut; 12. a first screw; 13. a second nut; 14. a sleeve; 15. a cross bar; 16. a second annular frame; 17. a second annular gasket; 18. a frame body; 19. a second screw; 20. an annular gasket; 21. a third screw; 22. an annular backing plate; 23. a seal ring; 24. a second annular frame.
Detailed Description
The invention is described in detail with reference to the accompanying drawings, and as shown in fig. 1-7, a novel hydraulic quick connector comprises a circular tube 1, wherein a compaction structure is arranged on the circular tube 1, a dispersion structure is arranged in the circular tube 1, and a limiting support structure is arranged on the circular tube 1; the compact structure includes: a pair of first nuts 2, a first annular frame 3, and a threaded rod 4; a first external thread is formed on the circular tube 1, the pair of first screw caps 2 are sleeved on the first external thread, a cylinder 5 is fixed on the first screw caps 2, a first annular gasket 6 is sleeved on the cylinder 5, a plurality of first circular through holes are formed in the first annular gasket 6, a guide rod 7 is inserted in each first circular through hole, the first annular frame 3 is arranged on the plurality of guide rods 7, a pair of first threaded openings are formed in the side wall surface of the first annular frame 3, the threaded rod 4 is inserted in the first threaded openings, and a pressing plate 8 is installed at one end of the threaded rod 4; the dispersion structure includes: bearing 24, disc 9 and plunger 10; a first circular groove is formed in the inner side wall surface of the circular tube 1, a plurality of second circular through holes are formed in the side wall surface of the disc 9, a second circular groove is formed in the side wall surface of the disc 9, a bearing 24 is arranged inside the second circular groove, a support rod 11 is arranged on the bearing 24, insertion rods 10 are respectively arranged on the support rods 11, a second threaded hole communicated with the wall surface of the first circular groove is formed in the side wall surface of the cylinder 5, a first threaded groove matched with the second threaded hole is formed in the insertion rod 10, and a first screw 12 in lap joint with the first threaded groove is inserted in the second threaded hole; spacing bearing structure includes: a pair of second nuts 13, a sleeve 14, a crossbar 15, and a pair of second ring frames 16; the pair of second nuts 13 are respectively sleeved on the circular tube 1 and positioned between the pair of first nuts 2, the pair of second nuts 13 are respectively provided with a second annular gasket 17, the cross rods 15 are respectively arranged on the second annular gaskets 17 at equal intervals, the sleeves 14 are respectively sleeved on each cross rod 15, and the pair of second annular frames 16 are respectively arranged on the plurality of sleeves 14; inclined grooves are formed in the two sides of the circular tube 1; a frame body 18 is fixed on the cylinder 5, and a second annular frame 24 which is convenient for the guide rod 7 to penetrate through is arranged on the frame body 18; a third threaded hole is formed in the side wall surface of the sleeve 14, a second threaded groove matched with the third threaded hole is formed in the cross rod 15, and a second screw 19 lapped with the second threaded groove is inserted into the third threaded hole; an annular gasket 20 is sleeved on the supporting rod 11, a fourth threaded hole is formed in the annular gasket 20, a third threaded groove matched with the fourth threaded hole is formed in the side wall surface of the disc 9, and a third screw 21 lapped with the third threaded groove is inserted in the fourth threaded hole; the threaded rod 4 is sleeved with an annular base plate 22, and the annular base plate 22 is sleeved with a rubber pad; the first annular frame 3 and the second annular frame 16 are sleeved with second rubber pads; the second screw 19 is sleeved with a sealing ring 23.
The embodiment is characterized by comprising a circular tube 1, wherein a compaction structure is arranged on the circular tube 1, a dispersion structure is arranged in the circular tube 1, and a limiting support structure is arranged on the circular tube 1;
the compact structure includes: a pair of first nuts 2, a first annular frame 3, and a threaded rod 4;
first external screw thread has been seted up on pipe 1, a pair of 2 suit of first nut are on first external screw thread, be fixed with drum 5 on first nut 2, the cover is equipped with first annular packing ring 6 on drum 5, a plurality of first circular through-holes have been seted up on first annular packing ring 6, guide arm 7 is equipped with in the interpolation of every first circular through-hole, first annular frame 3 settles on a plurality of guide arms 7, a pair of first screw thread mouth has been seted up to first annular frame 3 side wall face, 4 cartridge of threaded rod are inside first screw thread mouth, clamp plate 8 is installed to 4 one end of threaded rod, compact structure is convenient for when with the union coupling, can compress tightly fixedly, firm in connection, through the dispersed structure, play the cushioning effect, be convenient for the liquid dispersion discharge, and convenient to detach, and convenient to install, through spacing bearing structure, be convenient for support the geminate transistors, prevent that the pipe from bending.
In the embodiment, the device comprises a circular tube 1, wherein a compaction structure is arranged on the circular tube 1, a dispersion structure is arranged in the circular tube 1, and a limiting support structure is arranged on the circular tube 1;
the compact structure includes: a pair of first nuts 2, a first annular frame 3, and a threaded rod 4;
a first external thread is formed on the circular tube 1, the pair of first screw caps 2 are sleeved on the first external thread, a cylinder 5 is fixed on the first screw caps 2, a first annular gasket 6 is sleeved on the cylinder 5, a plurality of first circular through holes are formed in the first annular gasket 6, a guide rod 7 is inserted in each first circular through hole, the first annular frame 3 is arranged on the plurality of guide rods 7, a pair of first threaded openings are formed in the side wall surface of the first annular frame 3, the threaded rod 4 is inserted in the first threaded openings, and a pressing plate 8 is installed at one end of the threaded rod 4;
it should be noted that: offer first external screw thread on the pipe 1, install first nut 2 on first external screw thread, be convenient for first nut 2 is twisted and is moved, the adjustment position of use, insert 1 both ends in the pipe, later twist and move first nut 2, let 5 suits of drum the pipe outer wall on inserting pipe 1, later guide arm 7 is located the circular through-hole on first annular gasket 6, can reach and stimulate, thereby adjust the position of use of first annular frame 3, later twist and move threaded rod 4, be convenient for compress tightly the pipe of connection through clamp plate 8, the fixed pipe of increasing the connection of being convenient for is stable.
The dispersion structure includes: bearing 24, disc 9 and plunger 10;
a first circular groove is formed in the inner side wall surface of the circular tube 1, a plurality of second circular through holes are formed in the side wall surface of the disc 9, a second circular groove is formed in the side wall surface of the disc 9, a bearing 24 is arranged inside the second circular groove, a support rod 11 is arranged on the bearing 24, insertion rods 10 are respectively arranged on the support rods 11, a second threaded hole communicated with the wall surface of the first circular groove is formed in the side wall surface of the cylinder 5, a first threaded groove matched with the second threaded hole is formed in the insertion rod 10, and a first screw 12 in lap joint with the first threaded groove is inserted in the second threaded hole;
it should be noted that: the round groove of second on the pipe 1 is convenient for inserted bar 10 to insert, and inserted bar 10 supports through branch 11 on the bearing 24, and bearing 24 self can rotate, so when inserted bar 10 inserts in the round groove of second, can rotate disc 9, let disc 9 horizontal or erect put, the buffering rivers of being convenient for also can lift inserted bar 10 off not using simultaneously, plays fixed inserted bar 10 effect through first screw 12, fixes disc 9 position simultaneously.
Spacing bearing structure includes: a pair of second nuts 13, a sleeve 14, a crossbar 15, and a pair of second ring frames 16;
the pair of second nuts 13 are respectively sleeved on the circular tube 1 and positioned between the pair of first nuts 2, the pair of second nuts 13 are respectively provided with a second annular gasket 17, the cross rods 15 are respectively arranged on the second annular gaskets 17 at equal intervals, the sleeves 14 are respectively sleeved on each cross rod 15, and the pair of second annular frames 16 are respectively arranged on the plurality of sleeves 14;
it should be noted that: the second nut 13 can be screwed, the position is adjusted, then the second annular gasket 17 on the second nut 13 plays a supporting role, the second annular frame 16 which is used for supporting the second annular frame 16 supported by the sleeve 14 on the cross rod 15 is used for supporting a pipe which needs to be connected with the circular pipe 1, the connection position of the circular pipe 1 and the pipe is convenient to be enabled, the bending is reduced, the sleeve 14 can be pulled on the cross rod 15, and therefore the use position of the second annular frame 16 is adjusted, and the support point is adjusted.
As a preferable technical scheme, furthermore, both sides of the circular tube 1 are provided with inclined grooves; the inclined grooves facilitate pipe connection.
As a preferable technical solution, further, a frame body 18 is fixed on the cylinder 5, and a second annular frame 24 convenient for the guide rod 7 to penetrate is installed on the frame body 18; the guide rod 7 penetrates through the second annular frame 24, so that the guide rod 7 is supported and the guide rod 7 is not hindered from moving.
As a preferable technical scheme, further, a third threaded hole is formed in a side wall surface of the sleeve 14, a second threaded groove matched with the third threaded hole is formed in the cross bar 15, and a second screw 19 lapped with the second threaded groove is inserted into the third threaded hole; the second screw 19 is screwed to fix the position of the sleeve 14 and thus the second annular frame 16.
As a preferable technical scheme, furthermore, an annular gasket 20 is sleeved on the supporting rod 11, a fourth threaded hole is formed in the annular gasket 20, a third threaded groove matched with the fourth threaded hole is formed in the side wall surface of the disc 9, and a third screw 21 lapped with the third threaded groove is inserted into the fourth threaded hole; the third screw 21 is screwed to fix the rotation angle of the disc 9.
Preferably, the threaded rod 4 is sleeved with a ring washer 22, and the ring washer 22 is sleeved with a rubber pad.
As a preferable technical solution, the first annular frame 3 and the second annular frame 16 are sleeved with second rubber pads.
As a preferable embodiment, a seal ring 23 is further fitted over the second screw 19.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (10)
1. A novel hydraulic quick connector comprises a round pipe (1), and is characterized in that a compression structure is arranged on the round pipe (1), a dispersion structure is arranged in the round pipe (1), and a limiting support structure is arranged on the round pipe (1);
the compact structure includes: a pair of first nuts (2), a first annular frame (3) and a threaded rod (4);
the improved screw rod structure is characterized in that a first external thread is formed in the circular tube (1), the pair of first screw caps (2) are sleeved on the first external thread, a cylinder (5) is fixed on the first screw cap (2), a first annular gasket (6) is sleeved on the cylinder (5), a plurality of first circular through holes are formed in the first annular gasket (6), a guide rod (7) is inserted into each first circular through hole, the first annular frame (3) is arranged on the guide rods (7), a pair of first threaded holes are formed in the side wall surface of the first annular frame (3), the threaded rod (4) is inserted into the first threaded holes, and a pressing plate (8) is installed at one end of the threaded rod (4).
2. The new hydraulic quick connector as claimed in claim 1, wherein the dispersion structure comprises: a bearing (24), a disc (9) and an insert rod (10);
the circular tube (1) inner side wall surface is provided with a first circular groove, the disc (9) side wall surface is provided with a plurality of second circular through holes, the disc (9) side wall surface is provided with a second circular groove, the bearing (24) is arranged in the second circular groove, the bearing (24) is provided with a support rod (11), the inserted bar (10) is respectively arranged on the support rod (11), the cylinder (5) side wall surface is provided with a second thread hole communicated with the first circular groove wall surface, the inserted bar (10) is provided with a first thread groove matched with the second thread hole, and a first screw (12) overlapped with the first thread groove is inserted in the second thread hole.
3. The new hydraulic quick connector as claimed in claim 1, wherein the positive support structure comprises: a pair of second nuts (13), a sleeve (14), a cross bar (15) and a pair of second annular frames (16);
the pair of second nuts (13) are respectively sleeved on the round pipe (1) and located between the pair of first nuts (2), second annular gaskets (17) are mounted on the pair of second nuts (13), the cross rods (15) are respectively arranged on the second annular gaskets (17) at equal intervals, the sleeves (14) are respectively sleeved on each cross rod (15), and the pair of second annular frames (16) are respectively arranged on the plurality of sleeves (14).
4. The novel hydraulic quick coupling as claimed in claim 1, wherein the circular tube (1) is provided with inclined grooves on both sides.
5. The hydraulic quick coupling as claimed in claim 1, wherein a frame body (18) is fixed on the cylinder (5), and a second annular frame (24) which is convenient for the guide rod (7) to penetrate through is mounted on the frame body (18).
6. The novel hydraulic quick connector as claimed in claim 3, wherein a third threaded opening is formed in a side wall surface of the sleeve (14), a second threaded groove matched with the third threaded opening is formed in the cross rod (15), and a second screw (19) overlapped with the second threaded groove is inserted into the third threaded opening.
7. The novel hydraulic quick coupling as claimed in claim 2, wherein the support rod (11) is sleeved with an annular gasket (20), the annular gasket (20) is provided with a fourth threaded hole, a third threaded groove matched with the fourth threaded hole is formed in a side wall surface of the disc (9), and a third screw (21) overlapped with the third threaded groove is inserted into the fourth threaded hole.
8. The novel hydraulic quick joint as claimed in claim 1, wherein the threaded rod (4) is sleeved with an annular base plate (22), and the annular base plate (22) is sleeved with a rubber pad.
9. The hydraulic quick coupling as claimed in claim 1, wherein the first annular frame (3) and the second annular frame (16) are sleeved with second rubber pads.
10. The hydraulic quick coupling as claimed in claim 6, wherein the second screw (19) is sleeved with a sealing ring (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011203923.9A CN112178310A (en) | 2020-11-02 | 2020-11-02 | Novel hydraulic quick joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011203923.9A CN112178310A (en) | 2020-11-02 | 2020-11-02 | Novel hydraulic quick joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112178310A true CN112178310A (en) | 2021-01-05 |
Family
ID=73917446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011203923.9A Withdrawn CN112178310A (en) | 2020-11-02 | 2020-11-02 | Novel hydraulic quick joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112178310A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3424792A1 (en) * | 1984-07-05 | 1986-01-16 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Attachment device for the inlet connecting piece of a valve having a clamping nut |
| CN2380304Y (en) * | 1999-06-04 | 2000-05-31 | 沈兴 | Pressure type spray nozzle |
| CN201670721U (en) * | 2010-05-20 | 2010-12-15 | 中国人民解放军总后勤部油料研究所 | Rectifier pipe joint and fuel truck nozzle with rectifier pipe joint |
| US20130233053A1 (en) * | 2012-03-12 | 2013-09-12 | Idex Health & Science Llc | Torque Limited Fitting |
| CN207702011U (en) * | 2017-12-18 | 2018-08-07 | 中山市博采五金制造有限公司 | A kind of elbow piece with installation support function |
| CN207702010U (en) * | 2017-12-18 | 2018-08-07 | 中山市博采五金制造有限公司 | A kind of elbow piece being easily installed docking |
| CN108953795A (en) * | 2018-07-18 | 2018-12-07 | 徐州惠泉泵业有限公司 | A kind of sprinkler speed joint |
| CN110977824A (en) * | 2019-12-20 | 2020-04-10 | 浙江巨丰管业有限公司 | Butt joint fixing device for gas pipeline machining |
| CN211010245U (en) * | 2019-12-16 | 2020-07-14 | 海南热带海洋学院 | Positioning and butt joint device for distillation flask branch pipe and condensation pipe |
| CN211635006U (en) * | 2019-12-21 | 2020-10-09 | 国安达股份有限公司 | Fire hydrant with stable effect |
-
2020
- 2020-11-02 CN CN202011203923.9A patent/CN112178310A/en not_active Withdrawn
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3424792A1 (en) * | 1984-07-05 | 1986-01-16 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Attachment device for the inlet connecting piece of a valve having a clamping nut |
| CN2380304Y (en) * | 1999-06-04 | 2000-05-31 | 沈兴 | Pressure type spray nozzle |
| CN201670721U (en) * | 2010-05-20 | 2010-12-15 | 中国人民解放军总后勤部油料研究所 | Rectifier pipe joint and fuel truck nozzle with rectifier pipe joint |
| US20130233053A1 (en) * | 2012-03-12 | 2013-09-12 | Idex Health & Science Llc | Torque Limited Fitting |
| CN207702011U (en) * | 2017-12-18 | 2018-08-07 | 中山市博采五金制造有限公司 | A kind of elbow piece with installation support function |
| CN207702010U (en) * | 2017-12-18 | 2018-08-07 | 中山市博采五金制造有限公司 | A kind of elbow piece being easily installed docking |
| CN108953795A (en) * | 2018-07-18 | 2018-12-07 | 徐州惠泉泵业有限公司 | A kind of sprinkler speed joint |
| CN211010245U (en) * | 2019-12-16 | 2020-07-14 | 海南热带海洋学院 | Positioning and butt joint device for distillation flask branch pipe and condensation pipe |
| CN110977824A (en) * | 2019-12-20 | 2020-04-10 | 浙江巨丰管业有限公司 | Butt joint fixing device for gas pipeline machining |
| CN211635006U (en) * | 2019-12-21 | 2020-10-09 | 国安达股份有限公司 | Fire hydrant with stable effect |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210105 |