CN105508602A - Pressure vessel and locking ring applied to same - Google Patents
Pressure vessel and locking ring applied to same Download PDFInfo
- Publication number
- CN105508602A CN105508602A CN201510962414.7A CN201510962414A CN105508602A CN 105508602 A CN105508602 A CN 105508602A CN 201510962414 A CN201510962414 A CN 201510962414A CN 105508602 A CN105508602 A CN 105508602A
- Authority
- CN
- China
- Prior art keywords
- tooth
- tank body
- cover
- edge
- locking ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J13/00—Covers or similar closure members for pressure vessels in general
- F16J13/02—Detachable closure members; Means for tightening closures
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J12/00—Pressure vessels in general
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention relates to a pressure vessel and a locking ring applied to the same. The pressure vessel comprises a tank cover, a tank body of which the opening is rightwards, a tank cover outwards-turned edge, a tank body outwards-turned edge and the locking ring, wherein the tank cover outwards-turned edge is provided with tank cover connecting teeth; the tank body outwards-turned edge is provided with tank body connecting teeth; left and right inwards-turned edges are axially arranged at intervals on the inner wall surface of the locking ring; the left inwards-turned edge is provided with left connecting teeth; the right inwards-turned edge is provided with right connecting teeth; a left demising passage for the left connecting teeth to pass through from right to left is formed in a tank body groove; a right demising passage for the tank cover connecting teeth to enter a place between the left and right inwards-turned edges from right to left is formed in a right inwards-turned edge groove; when the locking ring rotates, the left connecting teeth can be positioned at the left side of the tank body connecting teeth and the right connecting teeth can be positioned at the right side of the tank cover connecting teeth so as to realize axial stop fit; meanwhile, the pressure vessel can be dismounted by just rotating the locking ring which is relatively light in weight without rotating the tank body or tank cover which is relatively large in weight , so the dismounting efficiency of the pressure vessel is greatly improved.
Description
Technical field
The present invention relates to the locking ring that a kind of pressurized container and this pressurized container use.
Background technique
Current most pressurized container, multiple bolt is normally adopted to be fastenedly connected by the flange on end casing and the pressurized container right side, such as application publication number is that the Chinese invention patent of CN103206538A discloses a kind of sealing means of pressure vessel, comprise tank body and cover, tank body is connected by the first flange plate and the second flange plate with cover, turn edge outside first flange plate and cover, turn edge outside the second flange plate and tank body, adopt bolt to carry out fastening.This type of container needs when dismounting to disassemble or first, second flange plate fastening all bolts circumferentially, for needing the pressurized container of frequent dismounting cover, greatly reduces its efficiency of assembling.
Summary of the invention
A kind of solving in prior art is the object of the present invention is to provide to cause the pressurized container of the lower problem of its efficiency of assembling because tank body and cover need more bolt to carry out being connected, meanwhile, the present invention also aims to the locking ring providing this pressurized container a kind of to use.
A kind of pressurized container of the present invention adopts following technological scheme: a kind of pressurized container, comprise cover, opening is towards the tank body on the right side, being arranged at turns edge and be arranged at outside the tank body on tank body outside the cover on cover turns edge, the cover groove gap-forming cover extended radially inwardly by least one on turning edge outside described cover connects tooth, the tank body groove gap-forming tank body extended radially inwardly by least one on turning edge outside tank body connects tooth, described pressurized container also comprises locking ring, on described locking ring internal face, axially spaced-apart is provided with a left side, right insidely to turn edge, left inside turn edge on by the left connection tooth of the left inside groove gap-forming that turns edge extended radially inwardly, the right inside right side that turns edge forms right connection tooth by the right inside groove that turns edge extended radially inwardly, described tank body groove forms the left side passed from right to left for left connection tooth and allows bit port, the described right inside groove that turns edge is formed and enters a left side from right to left for cover connection tooth, right inside turn edge between the right side allow bit port, locking ring can make left connection tooth be positioned at the left side of tank body connection tooth when rotating, right connection tooth is positioned at cover and connects the right side of tooth to realize the cooperation of axial block.
Described right connection tooth is connected tooth fitting surface with cover makes right connection tooth connect to cover the wedge surface that tooth applies left direction power when being rotation lock ring.
Described left connection tooth is connected tooth fitting surface with tank body makes tank body connect tooth applies left direction power wedge surface to left connection tooth when being rotation lock ring.
Be provided with for coordinating to limit the support platform of left connection tooth towards the left movement limit with the left tooth block that is connected on the left of described tank body turns edge outside tank body.
Described cover connects tooth and is connected the circumferential uniform intervals turned edge outside circumference and tank body that tooth turns edge respectively outside cover with tank body and arranges, and the quantity that described cover connects tooth is 2 times of tank body connection number of teeth amount.
It is 16 that described cover connects tooth, and it is 8 that tank body connects tooth.
A kind of locking ring of the present invention adopts following technological scheme: a kind of locking ring, on the internal face of described locking ring axially spaced-apart be provided with left and right in turn edge, described left inside turn edge on when being provided with for installing can left and right through tank body groove and forward tank body when rotating to and connect the left connection tooth that the axial block on the left of tooth coordinates, about when being provided with on the described right side turns edge for installing cover through cover groove and forward cover when rotating to and connect the right connection tooth that the axial block on the right side of tooth coordinates.
The left surface of described right connection tooth is that the right flank for being connected tooth with cover matches and makes when rotation lock ring right connection tooth connect to cover the wedge surface that tooth applies left direction power.
The right flank of described left connection tooth is that the left surface for being connected tooth with tank body matches and make tank body connect when rotation lock ring tooth applies left direction power wedge surface to left connection tooth.
Described left and right connection tooth is arranged along the circumferential uniform intervals turned edge in left and right respectively, and the quantity of right connection tooth is 2 times of left connection number of teeth amount.
Beneficial effect of the present invention is: during installation, the left connection tooth of locking ring is passed tank body groove, again cover is connected tooth through the right inside groove that turns edge, the left surface now turned edge outside cover contacts with the right flank turned edge outside tank body, rotational lock ring makes the right inside left surface turned edge coordinate with the right flank block turned edge outside cover, the left inside right flank turned edge is made to coordinate to compress turning edge outside cover and turning edge outside tank body with the left surface block turned edge outside tank body, the locking ring rotating lighter in weight is only needed during dismounting simultaneously, do not need to rotate the larger tank body of weight or cover yet, substantially increase the dismounting efficiency of pressurized container.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of a kind of pressurized container of the present invention;
Fig. 2 is the structural representation of locking ring;
Fig. 3 is the sectional view of Fig. 2 at A-A place;
Fig. 4 is the sectional view of Fig. 2 at B-B place.
Embodiment
A kind of pressurized container, turn edge outside the tank body turn edge 11 outside the cover as shown in Figure 1, comprise cover 1, opening tank body 3 to the right, being arranged on cover, being arranged on tank body 3 31 and for lock to turn edge outside to turn edge outside cover 11 and tank body 31 locking ring 2.Turn edge outside cover on 11 and uniform intervals in its circumferential direction is provided with 16 cover grooves extended radially inwardly, turn edge outside cover and between each cover groove, form cover on 11 and connect tooth, turn edge outside tank body on 31 and uniform intervals in its circumferential direction is provided with 8 tank body grooves extended radially inwardly, turn edge outside tank body forms tank body on 31 and connects tooth between each tank body groove.Locking ring 2, as in Figure 2-4, on the inwall of locking ring 2, in axial direction left and right is arranged at intervals with and right insidely turns edge 21 and left insidely turn edge 22, right inside turning edge on 21 with outside cover turns edge and 11 is equidistantly provided with 16 right inside grooves 212 that turn edge, each right inside right inside part that turns edge turned edge between groove 212 forms right connection tooth 211, left inside turning edge on 22 with outside tank body turns edge and 31 is equidistantly provided with 8 left inside grooves 222 that turn edge, each left inside left inside part that turns edge turned edge between groove 222 forms left connection tooth 221, left connection tooth 221 is suitable with tank body groove, cover connect tooth and the right inside groove 212 that turns edge suitable.Locking ring 2 can make left connection tooth 221 be positioned at, and tank body connects the left side of tooth when rotating, right connection tooth 211 is positioned at cover and connects the right side of tooth to realize the cooperation of axial block.
Tank body 3 turning edge outside tank body on the left of 31 is equipped with for coordinating to limit the support platform 32 of left connection tooth towards the left movement limit with left tooth 221 block that is connected, during rotation lock ring 2, with left, the right flank of support platform 32 is connected that tooth left surface block coordinates, the right flank block that with left, 31 left surfaces are connected that tooth 221 right flank block coordinates, the left surface of right connection tooth 211 is connected tooth with cover that turns edge outside tank body coordinates.Right connection tooth 211 is connected tooth fitting surface with cover makes right connection tooth 211 pairs of covers connect the wedge surface that tooth applies left direction power when being rotation lock ring 2, after locking ring 2 rotates to an angle, make to turn edge outside cover to turn edge between 31 outside 11 and tank body and produce certain precompression, ensure that pressurized container is in sealing state, turn edge outside cover 11 left surface be provided with seal groove, be provided with in seal groove with tank body outside turn edge 31 the seal ring that is sealed and matched of right flank.
The disassembly process of pressurized container of the present invention is: during installation, first through tank body groove, left inside turning edge is contacted with the right flank of support platform 32 from right to left in the left connection tooth of locking ring 2, locking ring 2 is rotated 11.25 °, then cover is connected tooth to make to turn edge outside cover through the right inside groove that turns edge from right to left and 11 31 to contact with turning edge outside tank body, and then by locking ring 2 rotating Vortex 11.25 °, realize being fastenedly connected of tank body 3, locking ring 2 and cover 1; During dismounting, counterrotating locking ring 11.25 °, takes out cover 1 from left to right, completes dismounting, if need to continue counterrotating locking ring 11.25 ° again when taking out locking ring 2, takes out locking ring 2 from left to right.
In other embodiments of the invention, cover connects tooth is connected tooth quantity with tank body and can adjust according to actual conditions; The angle of swing of locking ring also can adjust according to actual conditions; Left connection tooth is connected tooth fitting surface with tank body also can be during rotation lock ring, tank body is connected tooth applies left direction power wedge surface to left connection tooth; Also can not support platform be set.
A kind of embodiment of locking ring is identical with the embodiment of the locking ring in each embodiment of above-mentioned a kind of pressurized container, repeats no more herein.
Claims (10)
1. a pressurized container, comprise cover, opening is towards the tank body on the right side, being arranged at turns edge and be arranged at outside the tank body on tank body outside the cover on cover turns edge, it is characterized in that: the cover groove gap-forming cover extended radially inwardly by least one on turning edge outside described cover connects tooth, the tank body groove gap-forming tank body extended radially inwardly by least one on turning edge outside tank body connects tooth, described pressurized container also comprises locking ring, on described locking ring internal face, axially spaced-apart is provided with a left side, right insidely to turn edge, left inside turn edge on by the left connection tooth of the left inside groove gap-forming that turns edge extended radially inwardly, the right inside right side that turns edge forms right connection tooth by the right inside groove that turns edge extended radially inwardly, described tank body groove forms the left side passed from right to left for left connection tooth and allows bit port, the described right inside groove that turns edge is formed and enters a left side from right to left for cover connection tooth, right inside turn edge between the right side allow bit port, locking ring can make left connection tooth be positioned at the left side of tank body connection tooth when rotating, right connection tooth is positioned at cover and connects the right side of tooth to realize the cooperation of axial block.
2. a kind of pressurized container according to claim 1, is characterized in that: make right connection tooth connect to cover the wedge surface that tooth applies left direction power when described right connection tooth is connected tooth fitting surface with cover is rotation lock ring.
3. a kind of pressurized container according to claim 1, is characterized in that: make tank body connect when described left connection tooth is connected tooth fitting surface with tank body is rotation lock ring tooth applies left direction power wedge surface to left connection tooth.
4. a kind of pressurized container according to Claims 2 or 3, is characterized in that: left side that described tank body turns edge outside tank body is provided with for coordinating to limit the support platform of left connection tooth towards the left movement limit with the left tooth block that is connected.
5. a kind of pressurized container according to claim 4, it is characterized in that: described cover connects tooth and is connected the circumferential uniform intervals turned edge outside circumference and tank body that tooth turns edge respectively outside cover with tank body and arranges, the quantity that described cover connects tooth is 2 times of tank body connection number of teeth amount.
6. a kind of pressurized container according to claim 5, is characterized in that: it is 16 that described cover connects tooth, and it is 8 that tank body connects tooth.
7. a locking ring, it is characterized in that: on the internal face of described locking ring axially spaced-apart be provided with left and right in turn edge, described left inside turn edge on when being provided with for installing can left and right through tank body groove and forward tank body when rotating to and connect the left connection tooth that the axial block on the left of tooth coordinates, about when being provided with on the described right side turns edge for installing cover through cover groove and forward cover when rotating to and connect the right connection tooth that the axial block on the right side of tooth coordinates.
8. a kind of locking ring according to claim 7, is characterized in that: the left surface of described right connection tooth is that the right flank for being connected tooth with cover matches and makes when rotation lock ring right connection tooth connect to cover the wedge surface that tooth applies left direction power.
9. a kind of locking ring according to claim 7, is characterized in that: the right flank of described left connection tooth is that the left surface for being connected tooth with tank body matches and make tank body connect when rotation lock ring tooth applies left direction power wedge surface to left connection tooth.
10. a kind of locking ring according to claim 8 or claim 9, is characterized in that: described left and right connection tooth is arranged along the circumferential uniform intervals turned edge in left and right respectively, and the quantity of right connection tooth is 2 times of left connection number of teeth amount.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510962414.7A CN105508602B (en) | 2015-12-21 | 2015-12-21 | Retaining ring used in a kind of pressure vessel and the pressure vessel |
| PCT/CN2016/107965 WO2017107748A1 (en) | 2015-12-21 | 2016-11-30 | Pressurized container and locking ring for use in pressurized container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510962414.7A CN105508602B (en) | 2015-12-21 | 2015-12-21 | Retaining ring used in a kind of pressure vessel and the pressure vessel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105508602A true CN105508602A (en) | 2016-04-20 |
| CN105508602B CN105508602B (en) | 2019-04-05 |
Family
ID=55716801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510962414.7A Active CN105508602B (en) | 2015-12-21 | 2015-12-21 | Retaining ring used in a kind of pressure vessel and the pressure vessel |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105508602B (en) |
| WO (1) | WO2017107748A1 (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757235A (en) * | 2016-05-16 | 2016-07-13 | 江苏久维压力容器制造有限公司 | Tank cover compression type pressure container |
| CN105782437A (en) * | 2016-05-16 | 2016-07-20 | 江苏久维压力容器制造有限公司 | Double-cover pressing type pressure vessel |
| CN105782438A (en) * | 2016-05-16 | 2016-07-20 | 江苏久维压力容器制造有限公司 | Double-cover pressure container |
| CN105805309A (en) * | 2016-05-16 | 2016-07-27 | 江苏久维压力容器制造有限公司 | Dual compression pressure vessel with two cover bodies |
| WO2017107748A1 (en) * | 2015-12-21 | 2017-06-29 | 国家电网公司 | Pressurized container and locking ring for use in pressurized container |
| CN106969142A (en) * | 2017-05-10 | 2017-07-21 | 合肥通用机械研究院 | A kind of sealing for pressure vessels locking mechanism |
| CN110023708A (en) * | 2016-10-21 | 2019-07-16 | 戴娜赛夫保护***公司 | Locking device for anti-knock container |
| CN110425951A (en) * | 2019-07-26 | 2019-11-08 | 浙江路捷顺汽车制造有限公司 | A kind of lock structure of anti-knock container |
| CN111921434A (en) * | 2020-07-21 | 2020-11-13 | 合肥通用机械研究院有限公司 | Integrated production process for ternary material |
| CN112128605A (en) * | 2020-10-23 | 2020-12-25 | 安徽商贸职业技术学院 | Adjustable double-cover-body double-compression pressure container |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111121578A (en) * | 2019-12-12 | 2020-05-08 | 梁荣 | Horizontal explosion-proof tank door body and horizontal explosion-proof tank of high security |
| CN115319056B (en) * | 2022-08-12 | 2023-09-15 | 中国兵器装备集团西南技术工程研究所 | Upper and lower tank locking mechanism |
| CN115319068A (en) * | 2022-08-31 | 2022-11-11 | 中国兵器装备集团西南技术工程研究所 | Well tank structure and casting machine major structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5467218A (en) * | 1977-11-08 | 1979-05-30 | Kayaba Ind Co Ltd | Cover fastening device for pressure tank |
| CN200943697Y (en) * | 2006-06-19 | 2007-09-05 | 侯焕波 | Quick-opening sealing structure of pressure container |
| CN201434065Y (en) * | 2009-06-05 | 2010-03-31 | 余姚市舜江机械实业有限公司 | Pressure vessel assembled with motor on tank body |
| CN202493672U (en) * | 2011-12-31 | 2012-10-17 | 北京竺港阀业有限公司 | Self-sealing structure of pressure container |
| KR20140046145A (en) * | 2012-10-10 | 2014-04-18 | 김관재 | Door packing structure for rust proofing for pressure tank |
| CN104405870A (en) * | 2014-11-24 | 2015-03-11 | 江苏大学 | Self-closed type pressure vessel cover and use method |
| CN205383253U (en) * | 2015-12-21 | 2016-07-13 | 平高集团有限公司 | Locking ring that pressure vessel and this pressure vessel used |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2678916B1 (en) * | 1991-07-12 | 1994-03-11 | Ts Tanksystem Sa | DEVICE FOR CLOSING AN ORIFICE PROVIDED WITH A SECURITY, PARTICULARLY FOR SEALING AN ORIFICE OF A TANK CONTAINING CHEMICALS, PETROLEUM PRODUCTS OR THE LIKE. |
| CN101592224B (en) * | 2009-06-08 | 2011-12-28 | 余姚市舜江机械实业有限公司 | Circle quick door-opening device of pressure container |
| CN203548872U (en) * | 2013-11-13 | 2014-04-16 | 四川中科板业有限公司 | Door structure |
| CN105508602B (en) * | 2015-12-21 | 2019-04-05 | 平高集团有限公司 | Retaining ring used in a kind of pressure vessel and the pressure vessel |
-
2015
- 2015-12-21 CN CN201510962414.7A patent/CN105508602B/en active Active
-
2016
- 2016-11-30 WO PCT/CN2016/107965 patent/WO2017107748A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5467218A (en) * | 1977-11-08 | 1979-05-30 | Kayaba Ind Co Ltd | Cover fastening device for pressure tank |
| CN200943697Y (en) * | 2006-06-19 | 2007-09-05 | 侯焕波 | Quick-opening sealing structure of pressure container |
| CN201434065Y (en) * | 2009-06-05 | 2010-03-31 | 余姚市舜江机械实业有限公司 | Pressure vessel assembled with motor on tank body |
| CN202493672U (en) * | 2011-12-31 | 2012-10-17 | 北京竺港阀业有限公司 | Self-sealing structure of pressure container |
| KR20140046145A (en) * | 2012-10-10 | 2014-04-18 | 김관재 | Door packing structure for rust proofing for pressure tank |
| CN104405870A (en) * | 2014-11-24 | 2015-03-11 | 江苏大学 | Self-closed type pressure vessel cover and use method |
| CN205383253U (en) * | 2015-12-21 | 2016-07-13 | 平高集团有限公司 | Locking ring that pressure vessel and this pressure vessel used |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017107748A1 (en) * | 2015-12-21 | 2017-06-29 | 国家电网公司 | Pressurized container and locking ring for use in pressurized container |
| CN105757235B (en) * | 2016-05-16 | 2017-11-24 | 江苏久维压力容器制造有限公司 | A kind of cover compression type pressure vessel |
| CN105782438A (en) * | 2016-05-16 | 2016-07-20 | 江苏久维压力容器制造有限公司 | Double-cover pressure container |
| CN105805309A (en) * | 2016-05-16 | 2016-07-27 | 江苏久维压力容器制造有限公司 | Dual compression pressure vessel with two cover bodies |
| CN105782437A (en) * | 2016-05-16 | 2016-07-20 | 江苏久维压力容器制造有限公司 | Double-cover pressing type pressure vessel |
| CN105757235A (en) * | 2016-05-16 | 2016-07-13 | 江苏久维压力容器制造有限公司 | Tank cover compression type pressure container |
| CN110023708A (en) * | 2016-10-21 | 2019-07-16 | 戴娜赛夫保护***公司 | Locking device for anti-knock container |
| JP2019534440A (en) * | 2016-10-21 | 2019-11-28 | ダイナセーフ プロテクション システムズ アクティエボラーグ | Lock structure for explosion-proof containers |
| CN110023708B (en) * | 2016-10-21 | 2022-04-19 | 戴娜赛夫保护***公司 | Locking device for anti-explosion container |
| JP7074961B2 (en) | 2016-10-21 | 2022-05-25 | ダイナセーフ デミル システムズ アクティエボラーグ | Lock configuration for explosion-proof container |
| CN106969142A (en) * | 2017-05-10 | 2017-07-21 | 合肥通用机械研究院 | A kind of sealing for pressure vessels locking mechanism |
| CN110425951A (en) * | 2019-07-26 | 2019-11-08 | 浙江路捷顺汽车制造有限公司 | A kind of lock structure of anti-knock container |
| CN111921434A (en) * | 2020-07-21 | 2020-11-13 | 合肥通用机械研究院有限公司 | Integrated production process for ternary material |
| CN112128605A (en) * | 2020-10-23 | 2020-12-25 | 安徽商贸职业技术学院 | Adjustable double-cover-body double-compression pressure container |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017107748A1 (en) | 2017-06-29 |
| CN105508602B (en) | 2019-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105508602A (en) | Pressure vessel and locking ring applied to same | |
| CN108799304A (en) | A kind of Combined locknut | |
| CN205383253U (en) | Locking ring that pressure vessel and this pressure vessel used | |
| CN204628865U (en) | Petroleum pipeline flange group | |
| CN205639051U (en) | Turn on pump in single -stage double suction with good sealing performance | |
| CN204300562U (en) | Rotary-type adpting flange device | |
| CN106015796B (en) | A kind of high leakproofness three-way hydraulic joint | |
| CN204213330U (en) | Coal pulverizer tire plate seal arrangement | |
| CN205350391U (en) | Bivalve pole over -and -under type chlorine is with, for ammonia corrugated tube stop valve | |
| CN205207991U (en) | Central rotary joint | |
| CN205136530U (en) | Split type chain wheel | |
| CN208634193U (en) | A kind of Combined locknut | |
| CN203190034U (en) | Conversion joint for compressed natural gas charging valve | |
| CN203674852U (en) | Connection structure of motor protection cover | |
| CN202612910U (en) | Movable connector for air pipe of wagon | |
| CN108266304B (en) | A kind of tubular turbine guide bearing structure | |
| CN207349633U (en) | A kind of blind hole forging | |
| CN204345126U (en) | The flange plate of the axially locating improved | |
| CN206478226U (en) | A kind of packaging type filling-material structure | |
| CN205208003U (en) | Swivel joint of high accuracy central authorities | |
| CN204972790U (en) | Fire -control fire gun | |
| CN210799053U (en) | Turbocharger with novel retainer ring | |
| CN207349430U (en) | A kind of seal airtight of driving shaft device of Fast-Maintenance | |
| CN206072617U (en) | Hang and use center-rotary joint in multichannel large-tonnage harbour | |
| CN210152988U (en) | L-shaped sealing and centering device for pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180130 Address after: South East of Pingdingshan city in Henan province 467001 No. 22 Applicant after: Pinggao Group Co., Ltd. Applicant after: State Grid Corporation of China Applicant after: MAINTENANCE COMPANY, STATE GRID SHANDONG ELECTRIC POWER CO., LTD. Address before: South East of Pingdingshan city in Henan province 467001 No. 22 Applicant before: Pinggao Group Co., Ltd. Applicant before: State Grid Corporation of China |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |