CN108374937A - A kind of rotary flange - Google Patents
A kind of rotary flange Download PDFInfo
- Publication number
- CN108374937A CN108374937A CN201810398144.5A CN201810398144A CN108374937A CN 108374937 A CN108374937 A CN 108374937A CN 201810398144 A CN201810398144 A CN 201810398144A CN 108374937 A CN108374937 A CN 108374937A
- Authority
- CN
- China
- Prior art keywords
- annular groove
- flange
- ball
- threaded hole
- taken over
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- F16L27/08—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe
- F16L27/0804—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another
- F16L27/0808—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation
- F16L27/0824—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation with ball or roller bearings
- F16L27/0832—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation with ball or roller bearings having axial bearings
Abstract
The invention discloses a kind of rotary flanges, it takes over including first and is taken over second, the described first lateral wall right end taken over is fixedly connected with mounting flange, the mounting flange is equipped with baffle, first annular groove, first threaded hole, annular protrusion, clamp spring groove, clamp spring and y-type seal ring, the described first inner cavity right end insertion taken over is taken over equipped with second, described second take over first take between be equipped with O-ring seal, described second right part taken over is arranged with secondary flange, the pair flange is equipped with second annular groove, second threaded hole and Rotary cloumn, the Rotary cloumn is equipped with Rotary cloumn, ball groove, ball, third threaded hole, fuel filler neck and filling passage.Secondary seal of the present invention ensure that the effect of sealing, since ball and shot lubrication fat and all parts handled by chrome-plated process improve service life and maintenance period due to abrasion caused by friction when can reduce present invention rotation.
Description
Technical field
The present invention relates to flange technical field, specific field is a kind of rotary flange.
Background technology
In an installation, flange connection is commonly used in pipeline.Existing flanged joint is by screw by two flanges
Disk docking is fixed.The installation of this flanged joint is time-consuming and laborious, especially working at height when, more seem inconvenient.And pipeline
It after being connected by this flange method, is just relatively fixed, can not rotate between two tubes, when needing debugging, must just tear open
The screw on flange is unloaded, two tubes are separated, after dismounting, the water in pipe just oozes out, that is, affects working environment, and time-consuming
Arduously, so there is the flange that can be rotated.But the generally existing sealing problem of existing rotary flange is insoluble
Problem is not taken seriously between each part the problem of abrasion when cannot connect the pipeline and flange rotary of different tube diameters mostly.
For this purpose, it is proposed that a kind of rotary flange.
Invention content
The purpose of the present invention is to provide a kind of rotary flanges, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides the following technical solutions：A kind of rotary flange, including first take over and second
It takes over, the described first lateral wall right end taken over is fixedly connected with mounting flange, the right surface upper and lower ends of the mounting flange
Edge is equipped with baffle, and the right surface of mounting flange is equipped with first annular groove, and the outside of the first annular groove is equipped with
Several first threaded holes, first threaded hole is arranged in a ring, and annular protrusion is equipped in the middle part of the right end of the mounting flange, and
The internal diameter of annular protrusion is identical as the internal diameter that first takes over, and the madial wall of the annular protrusion is equipped with clamp spring groove, the clamp spring
Clamp spring is equipped in groove, the left side of the clamp spring is equipped with y-type seal ring, and the described first inner cavity right end taken over, which is inserted into, is equipped with second
Take over, the outer diameter that the internal diameter of the y-type seal ring is taken over second matches, described second take over first take between be equipped with
O-ring seal, the described second right part taken over are arranged with secondary flange, and the left surface of the pair flange is equipped with second annular groove,
The second annular groove is corresponding with the position of first annular groove, and the outside of the second annular groove is equipped with several second
Threaded hole, second threaded hole and the first threaded hole run through from right to left is equipped with fixing bolt, the mounting flange and secondary method
Orchid is fixedly connected by fixing bolt, and the described second lateral wall upper end taken over is fixedly connected with Rotary cloumn, and the rotation is vertical
The left and right ends of column are equipped with ball groove, are equipped with ball in the ball groove, the ball and first annular groove and the
Second ring groove is used cooperatively, and the upper center of the Rotary cloumn is equipped with third threaded hole, and the third threaded hole screw thread connects
It is connected to fuel filler neck, the lower end of the third threaded hole is equipped with filling passage, the ball groove of the filling passage and the left and right sides
Connection, the described second lower end taken over is arranged with Rotary cloumn, ball groove, ball, third threaded hole, fuel filler neck and oiling
Channel.
Preferably, the described first surface of internal cavity taken over and the second surface for taking over are passed through chrome-plated process and are handled.
Preferably, the surface of the ball, first annular groove and second annular groove is passed through chrome-plated process and is handled.
Preferably, described first the center coincidence taken over second is taken over.
Preferably, the secondary flange and second take between tool be less than the gap for having 0.5 millimeter.
Preferably, the section of the first annular groove and second annular groove is arc-shaped.
Compared with prior art, the beneficial effects of the invention are as follows：A kind of rotary flange is sealed by O-ring seal and Y types
The secondary effect that ensure that sealing is enclosed, since ball is in contact with first annular groove and second annular groove respectively, difference shape
At the structure of similar bearing, sliding friction is become rolling friction, frictional force when rotation can be effectively reduced, every by ball
Oiling device can be used to fuel filler neck shot lubrication fat when a maintenance period, lubricating grease enters ball groove by filling passage
Lubricating action is played to ball, is in contact and causes with first annular groove and second annular groove respectively when reducing ball rotation
Abrasion, by all parts that chrome-plated process is handled, the chrome layer on surface has very high hardness, and the friction system of chrome layer
Number is small, so chrome layer tool has good wearability, due to mill caused by friction when can prevent from greatly reducing present invention rotation
Damage substantially increases the service life and maintenance period of the present invention.
Description of the drawings
Fig. 1 is the cross section structure schematic diagram of the present invention；
Fig. 2 is the main structure diagram of the present invention；
Fig. 3 is close-up schematic view at A in this Fig. 1；
Fig. 4 is the right side structural representation of mounting flange of the present invention；
Fig. 5 is the left view structural representation of the secondary flange of the present invention.
In figure：1- first takes over, 2- second takes over, 3- mounting flanges, 4- filling passages, 5- baffles, 6- are first annular recessed
Slot, the first threaded holes of 7-, 8- annular protrusions, 9- fuel filler necks, 10- clamp springs, 11-Y types sealing ring, 12-O types sealing ring, 13- pair methods
Orchid, 14- second annular grooves, the second threaded holes of 15-, 16- fixing bolts, 17- Rotary cloumns, 18- balls groove, 19- balls,
20- third threaded holes.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 5 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of rotary flange, including the first take over 1 and second connect
Pipe 2, the described first lateral wall right end taken over are fixedly connected with mounting flange 3, the right surface upper and lower ends of the mounting flange
Edge is equipped with baffle 5, can be played a certain protective role to the component between mounting flange and secondary flange by baffle, institute
It states the right surface of mounting flange and is equipped with first annular groove 6, the outside of the first annular groove is equipped with several first threaded holes 7,
First threaded hole is arranged in a ring, and annular protrusion 8, and the internal diameter of annular protrusion are equipped in the middle part of the right end of the mounting flange
Identical as the internal diameter that first takes over, the madial wall of the annular protrusion is equipped with clamp spring groove, and clamp spring is equipped in the clamp spring groove
10, y-type seal ring 11 is fixed on to the first right end port position taken over by what clamp spring can be stablized, and Y is safeguarded in replacement
Facilitated using clamp spring pliers when type sealing ring and remove clamp spring, the left side of the clamp spring is equipped with y-type seal ring, is sealed by Y types
It encloses and carries out secondary seal at the right end port that can be taken over to first, the secondary effect that ensure that sealing, described first takes over
Inner cavity right end insertion is taken over equipped with second, is taken over by first and is taken over the pipeline that can connect different tube diameters, Neng Goushi with second
Now the pipeline of different tube diameters is attached, the outer diameter that the internal diameter of the y-type seal ring is taken over second matches, and described second
Take over first take between be equipped with O-ring seal 12, can prevent the fluid in pipeline from being taken over from first by O-ring seal
And second take between gap outflow, the described second right part taken over is arranged with secondary flange 13, the left surface of the pair flange
Equipped with second annular groove 14, the second annular groove is corresponding with the position of first annular groove, and second annular is recessed
The outside of slot is equipped with several second threaded holes 15, and second threaded hole and the first threaded hole run through from right to left is equipped with fixed spiral shell
Bolt 16, the mounting flange are fixedly connected with secondary flange by fixing bolt, and fixing bolt runs through the second threaded hole from right to left
And first threaded hole can by mounting flange, secondary flange and between the second take over fixation, the described second lateral wall taken over
Upper end is fixedly connected with Rotary cloumn 17, and the left and right ends of the Rotary cloumn are equipped with ball groove 18, the ball groove
Interior to be equipped with ball 19, the ball is used cooperatively with first annular groove and second annular groove, when pipeline needs rotation, by
Take in second and be fixedly connected with Rotary cloumn, Rotary cloumn can with second take over taken over first do relative rotation when one
With rotation, since ball is in contact with first annular groove and second annular groove respectively, the knot of similar bearing is formed respectively
Sliding friction is become rolling friction by structure, ball, can effectively reduce frictional force when rotation, can be reduced Rotary cloumn and be consolidated
Determine to wear caused by between flange and secondary flange, the upper center of the Rotary cloumn is equipped with third threaded hole 20, the third
Threaded hole is threaded with fuel filler neck 9, and the lower end of the third threaded hole is equipped with filling passage 4, the filling passage and left and right
The ball groove of both sides is connected to, and oiling device can be used to fuel filler neck shot lubrication fat, lubricating grease in each maintenance period
Enter ball groove by filling passage and lubricating action played to ball, reduce ball rotation when respectively with first annular groove
Abrasion caused by being in contact with second annular groove, extends the service life of the present invention, due to fuel filler neck and third threaded hole
Can conveniently back out and be replaced when being threaded in failure, the described second lower end taken over be arranged with Rotary cloumn,
Ball groove, ball, third threaded hole, fuel filler neck and filling passage can be allowed solid by the symmetrically arranged all parts
The mounting flange and secondary flange being scheduled on together keep balance.
It is handled specifically, chrome-plated process is passed through on the described first surface of internal cavity taken over and the second surface for taking over, table
The chrome layer in face has very high hardness, and the friction coefficient of chrome layer is small, so chrome layer tool has good wearability, it can
It prevents from reduction first from taking over to wear with caused by O-ring seal friction with when the second take over rotation, improves the use of the present invention
Service life and maintenance period.
It is handled specifically, chrome-plated process is passed through on the surface of the ball, first annular groove and second annular groove,
The chrome layer on surface has very high hardness, and the friction coefficient of chrome layer is small, so chrome layer tool has good wearability, energy
Enough prevent reduce ball roll when first annular groove and second annular groove between caused by wear, improve the present invention
Service life and maintenance period.
Specifically, described first takes over the center coincidence taken over second, ball energy when ensure that the second take over rotation
It is normally rotated along the track of first annular groove and second annular groove.
Specifically, the pair flange and second take between tool be less than and have 0.5 millimeter of gap, can by the gap
Friction will not be occurred when the second take over rotation with secondary flange by, which ensureing, causes to wear.
Specifically, the section of the first annular groove and second annular groove is arc-shaped, pass through setting for arc
Meter can reduce ball roll when first annular groove and second annular groove between caused by wear, allow second to take over rotation
When it is more smooth.
Operation principle：When using the present invention, is taken over by first and take over the pipeline that can connect different tube diameters, energy with second
Enough realize is attached the pipeline of different tube diameters, and one can be played to the component between mounting flange and secondary flange by baffle
Fixed protective effect, by O-ring seal can prevent the fluid in pipeline from first take over and second take between gap
Y-type seal ring, is fixed on the first right end port position taken over, and safeguard Y in replacement by outflow by what clamp spring can be stablized
Facilitated using clamp spring pliers when type sealing ring and remove clamp spring, at the right end port that can be taken over to first by y-type seal ring
Carry out secondary seal, the secondary effect that ensure that sealing is taken over and fixed with Rotary cloumn due to second when pipeline needs rotation
Connection, Rotary cloumn can be taken over second and rotate together with taking over the when of doing relative rotation with first, take over and the due to first
Two centers taken over overlap, and ball can be along the rail of first annular groove and second annular groove when ensure that the second take over rotation
Mark normally rotates, and since ball is in contact with first annular groove and second annular groove respectively, forms respectively similar bearing
Structure, sliding friction becomes rolling friction, can effectively reduce frictional force when rotation, can reduce Rotary cloumn by ball
It is worn caused by between mounting flange and secondary flange, oiling device can be used to inject fuel filler neck in each maintenance period
Lubricating grease, lubricating grease enter ball groove by filling passage and play lubricating action to ball, distinguish when reducing ball rotation
Abrasion caused by being in contact with first annular groove and second annular groove, extends the service life of the present invention, due to refueling
Mouth can be backed out conveniently when being threaded in failure with third threaded hole and be replaced, and fixing bolt runs through the from right to left
Two threaded holes and the first threaded hole can by mounting flange, secondary flange and between the second take over fixation, by chrome-plated process
The chrome layer of all parts of processing, surface has very high hardness, and the friction coefficient of chrome layer is small, so chrome layer has
Good wearability, due to abrasion caused by friction when can prevent from reducing present invention rotation, improve the present invention uses the longevity
Life and maintenance period.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of rotary flange, including first takes over（1）It is taken over second（2）, it is characterised in that：Described first takes over（1）'s
Lateral wall right end is fixedly connected with mounting flange（3）, the mounting flange（3）Right surface upper and lower ends edge be equipped with baffle
（5）, the mounting flange（3）Right surface is equipped with first annular groove（6）, the first annular groove（6）If outside be equipped with
Dry first threaded hole（7）, first threaded hole（7）It is arranged in a ring, the mounting flange（3）Right end in the middle part of be equipped with annular
Protrusion（8）, and annular protrusion（8）Internal diameter taken over first（1）Internal diameter it is identical, the annular protrusion（8）Madial wall set
There is clamp spring groove, clamp spring is equipped in the clamp spring groove（10）, the clamp spring（10）Left side be equipped with y-type seal ring（11）, institute
First is stated to take over（1）The insertion of inner cavity right end taken over equipped with second（2）, the y-type seal ring（11）Internal diameter taken over second
（2）Outer diameter match, described second takes over（2）It is taken over first（1）Between be equipped with O-ring seal（12）, described second connects
Pipe（2）Right part be arranged with secondary flange（13）, the pair flange（13）Left surface be equipped with second annular groove（14）, described
Second ring groove（14）With first annular groove（6）Position it is corresponding, the second annular groove（14）If outside be equipped with
Dry second threaded hole（15）, second threaded hole（15）With the first threaded hole（7）Run through from right to left and is equipped with fixing bolt
（16）, the mounting flange（3）With secondary flange（13）Pass through fixing bolt（16）It is fixedly connected, described second takes over（2）It is outer
Sidewall upper is fixedly connected with Rotary cloumn（17）, the Rotary cloumn（17）Left and right ends be equipped with ball groove（18）,
The ball groove（18）It is interior to be equipped with ball（19）, the ball（19）With first annular groove（6）And second annular groove
（14）It is used cooperatively, the Rotary cloumn（17）Upper center be equipped with third threaded hole（20）, the third threaded hole（20）
It is threaded with fuel filler neck（9）, the third threaded hole（20）Lower end be equipped with filling passage（4）, the filling passage（4）With
The ball groove of the left and right sides（18）Connection, described second takes over（2）Lower end be arranged with Rotary cloumn（17）, ball groove
（18）, ball（19）, third threaded hole（20）, fuel filler neck（9）And filling passage（4）.
2. a kind of rotary flange according to claim 1, it is characterised in that：Described first takes over（1）Surface of internal cavity and
Second takes over（2）Surface pass through chrome-plated process handle.
3. a kind of rotary flange according to claim 1, it is characterised in that：The ball（19）, first annular groove（6）
And second annular groove（14）Surface pass through chrome-plated process handle.
4. a kind of rotary flange according to claim 1, it is characterised in that：Described first takes over（1）It is taken over second（2）
Center overlap.
5. a kind of rotary flange according to claim 1, it is characterised in that：The pair flange（13）It is taken over second（2）
Between tool be less than and have 0.5 millimeter of gap.
6. a kind of rotary flange according to claim 1, it is characterised in that：The first annular groove（6）With the second ring
Connected in star（14）Section be arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810398144.5A CN108374937A (en) | 2018-04-28 | 2018-04-28 | A kind of rotary flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810398144.5A CN108374937A (en) | 2018-04-28 | 2018-04-28 | A kind of rotary flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108374937A true CN108374937A (en) | 2018-08-07 |
Family
ID=63033033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810398144.5A Pending CN108374937A (en) | 2018-04-28 | 2018-04-28 | A kind of rotary flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108374937A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110123481A (en) * | 2019-06-12 | 2019-08-16 | 牡丹江医学院 | A kind of operating table for rabbit operation |
Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB842201A (en) * | 1958-07-07 | 1960-07-20 | Fmc Corp | Swivel pipe coupling |
| GB1189014A (en) * | 1967-07-27 | 1970-04-22 | Whessoe Ltd | Improvements relation to Swivel Joints for Pipes |
| JPH0842770A (en) * | 1994-07-28 | 1996-02-16 | Konno Tekkosho:Kk | Rotary joint |
| US5851034A (en) * | 1996-03-22 | 1998-12-22 | Assen Exports Inc. | Pipe swivel joint with removable plug for main seal replacement |
| CN201081059Y (en) * | 2007-06-21 | 2008-07-02 | 新疆石油管理局井下作业公司 | Rotating flange |
| CN101806379A (en) * | 2010-04-20 | 2010-08-18 | 航天晨光股份有限公司 | Rotary flange |
| US20110042936A1 (en) * | 2009-08-21 | 2011-02-24 | OPW Engineered Systems | Swivel assemblies for loading arms and loading arms comprising the same |
| CN203010056U (en) * | 2012-11-29 | 2013-06-19 | 上海凯士比泵有限公司 | Loose flange with split-half snap ring |
| KR20130084357A (en) * | 2012-01-17 | 2013-07-25 | 김청균 | Swivel joint |
| CN203147062U (en) * | 2013-03-07 | 2013-08-21 | 建湖县博奥液压机械制造有限公司 | Split-assembly type adjustable oil pipe flange |
| CN204127533U (en) * | 2014-09-28 | 2015-01-28 | 陈建平 | A kind of swivel joint for oil filling riser |
| CN204153363U (en) * | 2014-09-23 | 2015-02-11 | 陈猛 | A kind of rotary flange |
| CN204785192U (en) * | 2015-06-30 | 2015-11-18 | 北京北机机电工业有限责任公司 | But rotary seal connects |
| CN204829023U (en) * | 2015-07-25 | 2015-12-02 | 零八一电子集团四川华昌电子有限公司 | Novel inflate type ellipse - rectangle conversion gas sealing flange for waveguide |
| CN205065115U (en) * | 2015-09-18 | 2016-03-02 | 叶平 | Spray tube adapter |
| KR20170035299A (en) * | 2015-09-22 | 2017-03-30 | 김윤기 | A conclusion structure for free angle adjustment type pipe connector |
| CN206496118U (en) * | 2017-02-10 | 2017-09-15 | 中国石油集团西部钻探工程有限公司 | Underbalance Special rotary flange and underbalance Special rotary flange connecting apparatus |
| KR101781957B1 (en) * | 2016-11-29 | 2017-10-23 | 제일기술산업(주) | Swivel joint for extremely low temperature with easy maintenance |
| CN206943631U (en) * | 2017-06-29 | 2018-01-30 | 云南昆钢重型装备制造集团有限公司 | A kind of vacuum sealing tube telescopic with adaptive guard function |
| CN208703362U (en) * | 2018-04-28 | 2019-04-05 | 建湖县博奥液压机械制造有限公司 | A kind of rotary flange |
-
2018
- 2018-04-28 CN CN201810398144.5A patent/CN108374937A/en active Pending
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB842201A (en) * | 1958-07-07 | 1960-07-20 | Fmc Corp | Swivel pipe coupling |
| GB1189014A (en) * | 1967-07-27 | 1970-04-22 | Whessoe Ltd | Improvements relation to Swivel Joints for Pipes |
| JPH0842770A (en) * | 1994-07-28 | 1996-02-16 | Konno Tekkosho:Kk | Rotary joint |
| US5851034A (en) * | 1996-03-22 | 1998-12-22 | Assen Exports Inc. | Pipe swivel joint with removable plug for main seal replacement |
| CN201081059Y (en) * | 2007-06-21 | 2008-07-02 | 新疆石油管理局井下作业公司 | Rotating flange |
| US20110042936A1 (en) * | 2009-08-21 | 2011-02-24 | OPW Engineered Systems | Swivel assemblies for loading arms and loading arms comprising the same |
| CN101806379A (en) * | 2010-04-20 | 2010-08-18 | 航天晨光股份有限公司 | Rotary flange |
| KR20130084357A (en) * | 2012-01-17 | 2013-07-25 | 김청균 | Swivel joint |
| CN203010056U (en) * | 2012-11-29 | 2013-06-19 | 上海凯士比泵有限公司 | Loose flange with split-half snap ring |
| CN203147062U (en) * | 2013-03-07 | 2013-08-21 | 建湖县博奥液压机械制造有限公司 | Split-assembly type adjustable oil pipe flange |
| CN204153363U (en) * | 2014-09-23 | 2015-02-11 | 陈猛 | A kind of rotary flange |
| CN204127533U (en) * | 2014-09-28 | 2015-01-28 | 陈建平 | A kind of swivel joint for oil filling riser |
| CN204785192U (en) * | 2015-06-30 | 2015-11-18 | 北京北机机电工业有限责任公司 | But rotary seal connects |
| CN204829023U (en) * | 2015-07-25 | 2015-12-02 | 零八一电子集团四川华昌电子有限公司 | Novel inflate type ellipse - rectangle conversion gas sealing flange for waveguide |
| CN205065115U (en) * | 2015-09-18 | 2016-03-02 | 叶平 | Spray tube adapter |
| KR20170035299A (en) * | 2015-09-22 | 2017-03-30 | 김윤기 | A conclusion structure for free angle adjustment type pipe connector |
| KR101781957B1 (en) * | 2016-11-29 | 2017-10-23 | 제일기술산업(주) | Swivel joint for extremely low temperature with easy maintenance |
| CN206496118U (en) * | 2017-02-10 | 2017-09-15 | 中国石油集团西部钻探工程有限公司 | Underbalance Special rotary flange and underbalance Special rotary flange connecting apparatus |
| CN206943631U (en) * | 2017-06-29 | 2018-01-30 | 云南昆钢重型装备制造集团有限公司 | A kind of vacuum sealing tube telescopic with adaptive guard function |
| CN208703362U (en) * | 2018-04-28 | 2019-04-05 | 建湖县博奥液压机械制造有限公司 | A kind of rotary flange |
Non-Patent Citations (1)
| Title |
|---|
| 赵升吨, 崔晓永, 张学来, 杨辉: "机械压力机气动摩擦离合器用旋转接头合理结构的探讨", CMET.锻压装备与制造技术, no. 02, pages 39 - 42 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110123481A (en) * | 2019-06-12 | 2019-08-16 | 牡丹江医学院 | A kind of operating table for rabbit operation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2021232881A1 (en) | Anti-vibration spherical roller bearing | |
| CN108374937A (en) | A kind of rotary flange | |
| CN208703362U (en) | A kind of rotary flange | |
| CN103016891A (en) | Combined-type powdered coal pipeline compensation device | |
| CN203822847U (en) | Sealing type self-aligning roller bearing for high speed train | |
| CN108544530A (en) | A kind of joint of robot limiting device | |
| CN201143659Y (en) | Bearing assembling-disassembling tools | |
| CN201353637Y (en) | Segmental roller of broad and thick continuous caster | |
| CN206440315U (en) | A kind of excellent not adept flowmeter | |
| CN206083797U (en) | I section fan -shaped top roller of continuous casting that can adequate cooling | |
| CN102313097A (en) | Reverse spherical surface type multi-spring rotary joint | |
| CN217381281U (en) | Roller bearing | |
| CN210374657U (en) | Supporting roll of circular cooler | |
| CN208321122U (en) | A kind of centrifuge drive assembly | |
| CN207989563U (en) | A kind of new roller bearing inner ring interior diameter helical oil groove | |
| CN207154718U (en) | A kind of cooling water circulating device for continuous casting roller group | |
| CN213298589U (en) | High-precision automobile bearing with wear resistance and corrosion resistance | |
| CN203703261U (en) | Inner hinge pin tilting clack type check valve | |
| CN109185497A (en) | A kind of trandfer fluid six direction changeover valve of pressure limiting differential | |
| CN202266769U (en) | Reversely spherical multi-spring rotary joint | |
| CN103742683A (en) | Oblique flap check valve with internal hinge pins | |
| CN216477187U (en) | Eccentric wear prevention oil casing coupling | |
| CN111255966A (en) | A rust-resistant type connecting device for running water supply system | |
| CN211288486U (en) | Sealed bearing | |
| CN216078388U (en) | Top-mounted pipeline ball valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |