CN104676160A - Variable-angle connector and manufacturing method and application thereof - Google Patents

Variable-angle connector and manufacturing method and application thereof Download PDF

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Publication number
CN104676160A
CN104676160A CN201510073163.7A CN201510073163A CN104676160A CN 104676160 A CN104676160 A CN 104676160A CN 201510073163 A CN201510073163 A CN 201510073163A CN 104676160 A CN104676160 A CN 104676160A
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Prior art keywords
connector
tangent plane
circle
bearing
disk
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Granted
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CN104676160B (en
Inventor
樊百林
李子杨
高鑫
郑炳头
金涛
张军
黄钢汉
王宏伟
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University of Science and Technology Beijing USTB
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Individual
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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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pivots And Pivotal Connections (AREA)

Abstract

The invention relates to a variable-angle connector. The variable-angle connector is mainly applied to connection between a dust hood and a dust removal pipe in an industrial dust removal system. The connector comprises a large-diameter hemispheric connector (1), a small-diameter hemispheric connector (2), a bearing (5), a bearing end cover (6), a radial fastening ring (7), a clamping groove (8) and a stepped shaft (19), wherein the small-diameter hemispheric connector (2) is connected onto the large-diameter hemispheric connector (1) through the stepped shaft (19), then the radial fastening ring (7) is sleeved, the bearing (5) and the bearing end cover (6) are assembled and screws are tightened. The connector can realize angle change from 0 degree to 45 degrees, the space limitation is broken through, the dust hood is not like the traditional dust hood which is fixed at a position in a space but is enabled to flexibly track smoke dust according to the produced amount and scattering direction of the dust smoke, the dust suction range is expanded, the maximum-efficiency absorption is achieved and the environmental quality is improved.

Description

A kind of variable-angle connector and manufacture method thereof and application
Technical field
The present invention relates to a kind of connector of variable-angle, be mainly used in the connection between dust shield and cleaning shaft in industrial dedusting system.
Background technique
Existing connector is mainly divided into two classes, and a class is joint coupling, and a class is pipe jointer.Wherein, pipe jointer major character is: front and rear part is provided with flange platen, and inner chamber is provided with Sealing and holds part tightly, and its predominant use is that the level connection joint of two-section pipeline is connected with tilt fixing.Two segment pipes are locked by connector, and the rear end of flange screw dish and connecting body is fixed by axial bolts, accomplish good leakproof, and it is fast easy to operate, but there is some deficiency is exactly cannot do angular transformation, if application number is the Chinese patent of 2010201822871 after fixing; Another kind of connector is joint coupling, more common on this kind of connector market, is widely used in connecting rod varied angle and connects.As joint coupling is connected with moving with robot arm, it comprises the adpting flange being fixed on fixed end, with the universal joint be assemblied on connecting tooling, be arranged on the positioner rotating disk of universal joint one end, the varied angle that this type of connector achieves bar base part connects, reliability is strong, is connected firmly, if application number is the Chinese patent of 2012200844317.
No matter be joint coupling or pipe jointer, all there is respective shortcoming and cannot apply on vacuum cleaner, and application number be the Chinese patent of 03130050.2, discloses a kind of connection set between handle and flexible pipe; Application number is the Chinese patent of 98109388.4, discloses the rotary connector between a kind of flexible pipe and handle component, and these two patents are all arrange connector between flexible pipe and handle, are not disclosed between dust shield and cleaning shaft and arrange connector.
In view of this, special proposition the present invention.
Summary of the invention
The technical problem to be solved in the present invention is to overcome the deficiencies in the prior art, provides a kind of variable-angle connector, connects while meeting pipeline connection, can realize multi-angle conversion; Especially variable-angle connector vacuum cleaner is connected between dust shield and cleaning shaft is applied to.
For solving the problems of the technologies described above, the present invention adopts the basic conception of technological scheme to be: a kind of variable-angle connector, comprises major diameter hemispheric connector (1), minor diameter hemispheric connector (2), bearing (5), bearing (ball) cover (6), radial fastening ring (7), draw-in groove (8), multidiameter shaft (19);
Wherein, described major diameter hemispheric connector (1) is most spherical connectors; Described minor diameter hemispheric connector (2) is half spherical connector.
Wherein, the face paralleled with described major diameter hemispheric connector (1) section there is round tangent plane a1(20), at circle tangent plane a1(20) both sides cut out two round tangent plane a2(21 again), at circle tangent plane a2(21) on fix two disk a3, disk a3 is provided with the draw-in groove (8) being communicated with the center of circle and border;
The face paralleled with described minor diameter hemispheric connector (2) section there is round tangent plane b1(22); at circle tangent plane b1(22) both sides cut out two round tangent plane b2(23 again); at circle tangent plane b2(22) on be fixed with two disk b3, the large end in center of circle fixed step axle (19) of disk b3;
Described minor diameter hemispheric connector (2) is connected on major diameter hemispheric connector (1) by multidiameter shaft (19), puts radial fastening ring (7), fit on bearing (5) and bearing (ball) cover (6), screw of screwing on.
Preferably, described major diameter hemispheric connector (1), minor diameter hemispheric connector (2) are refractory metal material and are obtained by casting.
Further, described round tangent plane a1(20), circle tangent plane b1(22) obtained by the method for cutting.
Preferably, described round tangent plane a2(21) be welded to connect with disk a3.
Preferably, described round tangent plane b2(23) be welded to connect with disk b3.
Preferably, described disk a3 is cut with the draw-in groove (8) being communicated with the center of circle and border.
Preferably, at the large end in the center of circle of described disk b3 welding multidiameter shaft (19).
A manufacture method for variable-angle connector as above, comprises the steps:
1) be, with refractory metal material raw material, obtain two hemisphere-shaped workpieces by casting, be respectively major diameter hemispheric connector (1) and minor diameter hemispheric connector (2);
2), again major diameter hemispheric connector (1) and minor diameter hemispheric connector (2) are carried out cutting, processing;
3), minor diameter hemispheric connector (2) is inserted in major diameter hemispheric connector (1), the radial fastening ring (7) of cover upper bearing (metal), fit on bearing (5) and bearing (ball) cover (6), and screw of screwing on, ensure two mating spherical surfaces fastening security, can mutually rotate.
The application of a kind of variable-angle connector as above on vacuum cleaner, described variable-angle connector is connected between dust shield (11) and cleaning shaft (10), also comprises major diameter hemispheric connector (1), minor diameter hemispheric connector (2), the first pipeline (3), second pipe (4), bearing (5), bearing (ball) cover (6), radial fastening ring (7), draw-in groove (8), the first hoop (9), the second hoop (18), multidiameter shaft (19);
Wherein, there is round tangent plane a1(20 in the face paralleled with described major diameter hemispheric connector (1) section), circle tangent plane a1(20) be fixedly connected with second pipe (4), justify tangent plane a1(20) diameter identical with the diameter of second pipe (4); At circle tangent plane a1(20) both sides cut out two round tangent plane a2(21 again), at circle tangent plane a2(21) on fix two disk a3, the diameter of disk a3 and justify tangent plane a2(21) diameter identical; Disk a3 is cut with the draw-in groove (8) being communicated with the center of circle and border;
The face paralleled with described minor diameter hemispheric connector (2) section is cut with round tangent plane b1(22), circle tangent plane b1(22) be fixedly connected with the first pipeline (3), justify tangent plane b1(22) diameter identical with the diameter of the first pipeline (3); At circle tangent plane b1(22) both sides cut out two round tangent plane b2(23 again), at circle tangent plane b2(23) on fix two disk b3, the diameter of disk b3 and justify tangent plane b2(23) diameter identical; Multidiameter shaft (19) is welded with in the center of circle of disk b3;
Described minor diameter hemispheric connector (2) is connected on major diameter hemispheric connector (1) by multidiameter shaft (19), puts radial fastening ring (7), fit on bearing (5) and bearing (ball) cover (6), screw of screwing on.
Be connected to a manufacture method for the variable-angle connector on vacuum cleaner as above, comprise the steps:
1) be, with refractory metal material raw material, obtain two hemisphere-shaped workpieces by casting, be respectively major diameter hemispheric connector (1) and minor diameter hemispheric connector (2);
2), again major diameter hemispheric connector (1) and minor diameter hemispheric connector (2) are carried out cutting, processing;
3), be welded on two segment pipes respectively by above-mentioned major diameter hemispheric connector (1) and minor diameter hemispheric connector (2), wherein a segment pipe will be connected with dust shield (11), and another segment pipe will be connected with cleaning shaft (10);
4), minor diameter hemispheric connector (2) is inserted in major diameter hemispheric connector (1), the radial fastening ring (7) of cover upper bearing (metal), fit on bearing (5) and bearing (ball) cover (6), to screw on screw, minor diameter hemispheric connector (2) turns 0 ° to 45 ° with dust shield (11), realizes angle variable;
5), by above-mentioned two segment pipes bind round respectively on dust shield and cleaning shaft, then linkage mechanism is connected on hoop;
After adopting technique scheme, the present invention compared with prior art has following beneficial effect:
1. minor diameter hemispheric connector (2) turns 0 ° to 45 ° with dust shield (11), realize angle variable, breach spatial constraints, as conventional cleaner cover, be no longer fixed on a position in space, but according to the production of flue dust with distribute direction, allow dust shield flexible wire flue dust, expand dust suction scope, reach the absorption of maximal efficiency, improve environmental quality;
2. can apply to multiple occasion, because the convertibility of this multi-angle conversion connector makes it expand dust suction scope, it is enable to adapt to the larger occasion of flue dust diffusion ratio, so this multi-angle chained transforms device not only can use at the ladle pour spout place of factory, can also in outdoor running;
3. this invention manufacturing process is simple, process parameter is stablized, because the raw material of manufacture major diameter hemispheric connector (1) used and minor diameter hemispheric connector (2) is resistant to elevated temperatures material, working environment can adapt to high temperature, normal temperature etc., does not need environmentally and especially to make.
Accompanying drawing explanation
Fig. 1 is overall assembling schematic diagram of the present invention;
Fig. 2 is plan view of the present invention;
Fig. 3 is the assembling schematic diagram of variable-angle connector and linkage mechanism;
Fig. 4 is major diameter hemispheric connector tangent plane structural representation;
Fig. 5 is minor diameter hemispheric connector tangent plane structural representation.
In figure: 1-major diameter hemispheric connector; 2-minor diameter hemispheric connector; 3-first pipeline; 4-second pipe; 5-bearing; 6-bearing (ball) cover; The radial fastening ring of 7-; 8-draw-in groove; 9-first binds round; 10-cleaning shaft; 11-dust shield; 12-support; 13-chute; 14 cranks; 15 first connecting rods; 16 first connecting rods; 17 steering wheels; 18-second binds round; 19-multidiameter shaft; 20-circle tangent plane a1; 21-circle tangent plane a2; 22-circle tangent plane b1; 23-circle tangent plane b2.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described, to help understanding content of the present invention.
Embodiment 1:
As shown in Figure 1, 2, a kind of variable-angle connector, comprises major diameter hemispheric connector 1, minor diameter hemispheric connector 2, bearing 5, bearing (ball) cover 6, radial fastening ring 7, draw-in groove 8, multidiameter shaft 19;
Can find out with reference to figure 4,5, the face paralleled with described major diameter hemispheric connector 1 section there is round tangent plane a1 20, two round tangent plane a2 21 are cut out again in circle tangent plane a1 20 both sides, circle tangent plane a2 21 fixes two disk a3, disk a3 is provided with the draw-in groove 8 being communicated with the center of circle and border;
The face paralleled with described minor diameter hemispheric connector 2 section there is round tangent plane b1 22; two round tangent plane b2 23 are cut out again in circle tangent plane b1 22 both sides; circle tangent plane b2 22 is fixed with two disk b3; the center of circle of disk b3 is fixed with multidiameter shaft 19, and multidiameter shaft 19 is for carrying out bearing fit with major diameter hemispheric connector 1;
Described minor diameter hemispheric connector 2 is connected on major diameter hemispheric connector 1 by multidiameter shaft 19, puts radial fastening ring 7, fit on bearing 5 and bearing (ball) cover 6, screw of screwing on, and ensures two mating spherical surfaces fastening security, can mutually rotate.
Described major diameter hemispheric connector 1, minor diameter hemispheric connector 2 are refractory metal material and are obtained by casting, are convenient to follow-up cutting process.
Described round tangent plane a1, circle tangent plane b1 are obtained by the method for cutting.
Preferably, described round tangent plane a2 and disk a3 is welded to connect.
Preferably, described round tangent plane b2 and disk b3 is welded to connect.
Preferably, described disk a3 is cut with the draw-in groove 8 being communicated with the center of circle and border.
Preferably, multidiameter shaft 19 is welded with in the center of circle of described disk b3.
Embodiment 2:
As shown in Figure 3, a kind of variable-angle connector be connected on vacuum cleaner, described variable-angle connector is connected between dust shield 11 and cleaning shaft 10, also comprises major diameter hemispheric connector 1, minor diameter hemispheric connector 2, first pipeline 3, second pipe 4, bearing 5, bearing (ball) cover 6, radial fastening ring 7, draw-in groove 8, first hoop 9, second hoop 18, multidiameter shaft 19;
Wherein, there is round tangent plane a1 20 in the face paralleled with described major diameter hemispheric connector 1 section, circle tangent plane a1 20 is fixedly connected with second pipe 4, and the diameter of circle tangent plane a1 20 is identical with the diameter of second pipe 4; Cut out two round tangent plane a2 21 again in circle tangent plane a1 20 both sides, circle tangent plane a2 21 fixes two disk a3, the diameter of disk a3 is identical with the diameter of circle tangent plane a2 21; Disk a3 is cut with the draw-in groove 8 being communicated with the center of circle and border;
The face paralleled with described minor diameter hemispheric connector 2 section is cut with round tangent plane b1 22, and circle tangent plane b1 22 is fixedly connected with the first pipeline 3, and the diameter of circle tangent plane b1 22 is identical with the diameter of the first pipeline 3; Cut out two round tangent plane b2 23 again in circle tangent plane b1 22 both sides, circle tangent plane b2 23 fixes two disk b3, the diameter of disk b3 is identical with the diameter of circle tangent plane b2 23; Multidiameter shaft 19 is welded with in the center of circle of disk b3;
Described minor diameter hemispheric connector 2 is connected on major diameter hemispheric connector 1 by multidiameter shaft 19, puts radial fastening ring 7, fit on bearing 5 and bearing (ball) cover 6, screw of screwing on.
The installation of the variable-angle connector described in the present embodiment is as follows: by support 12, is got up by chute 13.The variable-angle connector assembled is connected together with intrinsic cleaning shaft 10 by the second hoop 18, sustains the weight of variable-angle connector.The multidiameter shaft 19 that minor diameter hemispheric connector 2 can be combined together around major diameter hemispheric connector 1 and minor diameter hemispheric connector 2 rotates.First hoop 9 is fixedly connected with dust shield 11 with second pipe 4, the first hoop 9 is hinged with pin with first connecting rod 15 again.Steering wheel 17 drives crank 14 repeatedly to rotate back and forth, crank 14 drives second connecting rod 16 to swing, second connecting rod 16 the other end is connected with first connecting rod 15 and slides in chute, first connecting rod 15 is converted into rotation slip, allow minor diameter hemispheric connector 2 with dust shield 11 turns 0 ° to 45 °, realize angle variable.
Variable-angle connector described in the present embodiment is when ladle pour spout place's specific works of factory, only need to start main switch, according to signal picker collection signal, obtain the particular location of ladle, then by chip, signal is processed automatically, then order is expressed, realize motor rotation, drive dust shield to rotate, variable-angle connector is rotated, automatically realize the tracking to flue dust according to flue dust trend, reach dust suction effect.
Embodiment three:
Described variable-angle connector is arranged on the smoking area of the public arenas such as market, hospital, dining room, by the position of flue dust induction installation induction flue dust, variable-angle connector angle changing is driven by driving mechanism, follow the tracks of the position of flue dust, reach more efficient pick-up performance, reduce public arena, especially indoor fume amount, improve air quality, decreasing pollution.
Embodiment four:
Described variable-angle connector is applied to the link in medical apparatus, such as operating lamp, breathing apparatus, transfusion auxiliary device, operating table etc., needing the position changing angle, variable-angle connector is installed, improve the working efficiency of medical apparatus, improve working environment, for care providers just.
Embodiment five:
Between the dust hood that this variable-angle connector is arranged on the workshop such as iron works, steel works and cleaning shaft, by the position of induction installation induction dust, variable-angle connector angle changing is driven by driving mechanism, and then drive dust hood motion, follow the tracks of the position of dust, reach more efficient pick-up performance, reduce the Dust Capacity of factory floor, improve the air quality of working environment, decreasing pollution.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (10)

1. a variable-angle connector, is characterized in that, comprises major diameter hemispheric connector (1), minor diameter hemispheric connector (2), bearing (5), bearing (ball) cover (6), radial fastening ring (7), draw-in groove (8), multidiameter shaft (19);
Wherein, the face paralleled with described major diameter hemispheric connector (1) section there is round tangent plane a1(20), at circle tangent plane a1(20) both sides are again perpendicular to circle tangent plane a1(20) cut out two round tangent plane a2(21), at circle tangent plane a2(21) on fix two disk a3, disk a3 is provided with the draw-in groove (8) being communicated with the center of circle and border;
The face paralleled with described minor diameter hemispheric connector (2) section there is round tangent plane b1(22); at circle tangent plane b1(22) both sides cut out two round tangent plane b2(23 again); at circle tangent plane b2(23) on be fixed with two disk b3(23), disk b3(23) the center of circle be fixed with multidiameter shaft (19);
Described minor diameter hemispheric connector (2) is connected on major diameter hemispheric connector (1) by multidiameter shaft (19), puts radial fastening ring (7), fit on bearing (5) and bearing (ball) cover (6), screw of screwing on.
2. variable-angle connector as claimed in claim 1, is characterized in that, described round tangent plane a1(20), circle tangent plane b1(22) obtained by the method for cutting.
3. variable-angle connector as claimed in claim 1 or 2, is characterized in that, described round tangent plane a2(21) be welded to connect with disk a3.
4. variable-angle connector as claimed in claim 1 or 2, is characterized in that, described round tangent plane b2(23) be welded to connect with disk b3.
5. variable-angle connector as claimed in claim 4, is characterized in that, described disk a3 is cut with the draw-in groove (8) being communicated with the center of circle and border.
6. variable-angle connector as claimed in claim 5, is characterized in that, be welded with multidiameter shaft (19) in the center of circle of described disk b3.
7. variable-angle connector as claimed in claim 6, it is characterized in that, described major diameter hemispheric connector (1), minor diameter hemispheric connector (2) are refractory metal material and are obtained by casting.
8. a manufacture method for the variable-angle connector as described in claim 1-7, is characterized in that, comprise the steps:
1) be, with refractory metal material raw material, obtain two hemisphere-shaped workpieces by casting, be respectively major diameter hemispheric connector (1) and minor diameter hemispheric connector (2);
2), again major diameter hemispheric connector (1) and minor diameter hemispheric connector (2) are carried out cutting, processing;
3), minor diameter hemispheric connector (2) is inserted in major diameter hemispheric connector (1), the radial fastening ring (7) of cover upper bearing (metal), fit on bearing (5) and bearing (ball) cover (6), and screw of screwing on, ensure two mating spherical surfaces fastening security, can mutually rotate.
9. the application of variable-angle connector on vacuum cleaner as described in claim 1-7, it is characterized in that, described variable-angle connector is connected between dust shield (11) and cleaning shaft (10), also comprises major diameter hemispheric connector (1), minor diameter hemispheric connector (2), the first pipeline (3), second pipe (4), bearing (5), bearing (ball) cover (6), radial fastening ring (7), draw-in groove (8), the first hoop (9), the second hoop (18), multidiameter shaft (19);
Wherein, there is round tangent plane a1(20 in the face paralleled with described major diameter hemispheric connector (1) section), circle tangent plane a1(20) be fixedly connected with second pipe (4), justify tangent plane a1(20) diameter identical with the diameter of second pipe (4); At circle tangent plane a1(20) both sides cut out two round tangent plane a2(21 again), at circle tangent plane a2(21) on fix two disk a3, the diameter of disk a3 and justify tangent plane a2(21) diameter identical; Disk a3 is cut with the draw-in groove (8) being communicated with the center of circle and border;
The face paralleled with described minor diameter hemispheric connector (2) section is cut with round tangent plane b1(22), circle tangent plane b1(22) be fixedly connected with the first pipeline (3), justify tangent plane b1(22) diameter identical with the diameter of the first pipeline (3); At circle tangent plane b1(22) both sides cut out two round tangent plane b2(23 again), at circle tangent plane b2(23) on fix two disk b3, the diameter of disk b3 and justify tangent plane b2(23) diameter identical; Multidiameter shaft (19) is welded with in the center of circle of disk b3;
Described minor diameter hemispheric connector (2) is connected on major diameter hemispheric connector (1) by multidiameter shaft (19), puts radial fastening ring (7), fit on bearing (5) and bearing (ball) cover (6), screw of screwing on.
10. be connected to the variable-angle connector manufacturing method on vacuum cleaner as claimed in claim 9, it is characterized in that, comprise the steps:
1) be, with refractory metal material raw material, obtain two hemisphere-shaped workpieces by casting, be respectively major diameter hemispheric connector (1) and minor diameter hemispheric connector (2);
2), again major diameter hemispheric connector (1) and minor diameter hemispheric connector (2) are carried out cutting, processing;
3), be welded on two segment pipes respectively by above-mentioned major diameter hemispheric connector (1) and minor diameter hemispheric connector (2), wherein a segment pipe will be connected with dust shield (11), and another segment pipe will be connected with cleaning shaft (10);
4), by minor diameter hemispheric connector (2) insert in major diameter hemispheric connector (1), the radial fastening ring (7) of cover upper bearing (metal), fit on bearing (5) and bearing (ball) cover (6), screw of screwing on;
5), by above-mentioned two segment pipes bind round respectively on dust shield and cleaning shaft, then linkage mechanism is connected on hoop.
CN201510073163.7A 2015-02-12 2015-02-12 Variable-angle connector and manufacturing method and application thereof Active CN104676160B (en)

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Application Number Priority Date Filing Date Title
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CN104676160B CN104676160B (en) 2017-01-18

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106310882A (en) * 2015-06-26 2017-01-11 南通泰利达化工有限公司 Rotary alcohol exhaust gas recovery device
CN111824776A (en) * 2020-07-10 2020-10-27 浙江孚夏医疗科技有限公司 Circulating conveying pipeline structure of air purification equipment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB192843A (en) * 1921-11-29 1923-02-15 W H Dorman And Company Ltd Improvements in or relating to flexibly jointed pipes
GB2156932A (en) * 1984-03-30 1985-10-16 Iracroft Ltd Ball joint pipe coupling
EP0241700B1 (en) * 1986-03-15 1989-07-12 Thyssen Industrie Ag Rotational and/or swivelling joint
JP5145450B1 (en) * 2011-09-02 2013-02-20 株式会社Ｔｏｚｅｎ Telescopic flexible pipe joint

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB192843A (en) * 1921-11-29 1923-02-15 W H Dorman And Company Ltd Improvements in or relating to flexibly jointed pipes
GB2156932A (en) * 1984-03-30 1985-10-16 Iracroft Ltd Ball joint pipe coupling
EP0241700B1 (en) * 1986-03-15 1989-07-12 Thyssen Industrie Ag Rotational and/or swivelling joint
JP5145450B1 (en) * 2011-09-02 2013-02-20 株式会社Ｔｏｚｅｎ Telescopic flexible pipe joint

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106310882A (en) * 2015-06-26 2017-01-11 南通泰利达化工有限公司 Rotary alcohol exhaust gas recovery device
CN111824776A (en) * 2020-07-10 2020-10-27 浙江孚夏医疗科技有限公司 Circulating conveying pipeline structure of air purification equipment

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Inventor after: Fan Bailin

Inventor after: Li Ziyang

Inventor after: Gao Xin

Inventor after: Zheng Bingtou

Inventor after: Jin Tao

Inventor after: Zhang Jun

Inventor after: Huang Ganghan

Inventor after: Wang Hongwei

Inventor before: Fan Bailin

Inventor before: Li Ziyang

Inventor before: Gao Xin

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Inventor before: Huang Ganghan

Inventor before: Wang Hongwei

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Effective date of registration: 20210526

Address after: 100083 No. 30, Haidian District, Beijing, Xueyuan Road

Patentee after: University OF SCIENCE AND TECHNOLOGY BEIJING

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Patentee before: Fan Bailin

Patentee before: Huang Ganghan

Patentee before: Li Ziyang

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