CN209608272U - A kind of explosion-proof waterproof wiring case - Google Patents
A kind of explosion-proof waterproof wiring case Download PDFInfo
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- CN209608272U CN209608272U CN201920409648.2U CN201920409648U CN209608272U CN 209608272 U CN209608272 U CN 209608272U CN 201920409648 U CN201920409648 U CN 201920409648U CN 209608272 U CN209608272 U CN 209608272U
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Abstract
The utility model relates to a kind of explosion-proof waterproof wiring casees, including cabinet, cabinet are cuboid, and front side is open, and bearing block is equipped at the front edge of cabinet left end side wall, is equipped with snap seats at the front edge of right end sidewalls；Case lid is to be equipped with rotation section with the open matched rectangle lid of cabinet front, one side, rotation section lower end is equipped with shaft vertically, and shaft cross section is ellipse, and shaft lower end is inserted into bearing block, and be rotatablely connected with bearing block, the case lid other side is equipped with and the matched fastener of snap seats；Cabinet front open-mouth and/or case lid inner surface protrusion are enclosed equipped with a circle sealant；When body pivot is to when covering in cabinet front opening, sealant and cabinet front palette, fastener are mutually fastened with snap seats.Advantage: it is reasonable in design, case lid lid close after can self-tightening, entire junction box's sealing performance is preferable, significantly reduce unpack the activity duration, shorten non-antiknock device exposure duration under explosion environment.
Description
Technical field
The utility model relates to long oil and gas pipeline yard valve chamber wiring technique, in particular to a kind of explosion-proof waterproof wiring
Case.
Background technique
All kinds of flame proof waterproof wiring casees are often used in the places such as long oil and gas pipeline yard valve chamber, in order to effectively realize wiring
Case lid and cabinet are compressed on each aluminium alloy junction box by several screws and are sealed by the explosion-proof and waterproof performance of case, main spiral shell
The close cover of screw top seals access inside and outside cabinet.Due to several bolt fastenings are improper or product there are quality problems or
Person is repeatedly switching operations damage, also either seals the reasons such as vulnerable part aging, needs periodically to open the junction box of operation
It often will appear the case where steam enters.Flame proof water proof type junction box uses in outdoor combustible and explosive area, once flame proof is close
Envelope failure be easy to cause big security risk.For safety, such issues that processing, traditional method was that sealing surface is put the oil, repeatedly really
Recognize fixing screws uniformly to fasten, do so and be bound to cause a large amount of waste of human resource, especially yin protects test item, one at a time case
The conventional yin of body protects test and at least needs 20 minutes, and switch-box 15 minutes.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of explosion-proof waterproof wiring casees, effectively overcome existing
The defect of technology.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of explosion-proof waterproof wiring case, including cabinet,
Above-mentioned cabinet is cuboid, and front side is open, is equipped with bearing block, right end at the front edge of above-mentioned cabinet left end side wall
Snap seats are equipped at the front edge of side wall；Case lid, above-mentioned case lid are the rectangle lid to match with above-mentioned cabinet front opening
Body, one side are equipped with rotation section, and the lower end of above-mentioned rotation section is equipped with the shaft to match with above-mentioned bearing block, above-mentioned shaft vertically
Cross section be ellipse, above-mentioned shaft lower end is inserted into above-mentioned bearing block, and is rotatablely connected with above-mentioned bearing block, above-mentioned case lid
The other side be equipped with the fastener that matches with above-mentioned snap seats；Above-mentioned cabinet front open-mouth and/or above-mentioned case lid inner surface
Protrusion is enclosed equipped with a circle sealant；When above-mentioned body pivot is to when covering in above-mentioned cabinet front opening, above-mentioned sealant with it is upper
Cabinet front palette is stated, above-mentioned fastener is mutually fastened with above-mentioned snap seats.
The beneficial effects of the utility model are: reasonable in design, case lid lid close after can self-tightening, entire junction box's sealing
Performance is preferable, reduces the activity duration of unpacking significantly, shortens non-antiknock device exposure duration under explosion environment.
Based on the above technical solution, the utility model can also do following improvement.
Further, above-mentioned case lid turn to open above-mentioned cabinet front opening when, and it is vertical with above-mentioned cabinet front when, on
The long axis for stating ellipse extends in left-right direction, and above-mentioned case lid turns to when covering in above-mentioned cabinet front opening, it is above-mentioned on
The long axis for stating ellipse extends along the longitudinal direction.
Beneficial effect using above-mentioned further scheme is that the design can effectively realize that case lid is covering cabinet front
When self-tightening, it is ensured that case lid is fitted closely with cabinet front opening, and sealing performance is preferable.
Further, above-mentioned bearing block includes cylindric axis earrings and bearing, and above-mentioned axis earrings is fixed on above-mentioned case vertically
At the front edge of body left end side wall, above-mentioned bearing is vertically arranged, and lower end is coaxial and is removably inserted into above-mentioned axis earrings,
The upper end end horizontal is equipped with limiting section, and above-mentioned limiting section is covered in above-mentioned axis earrings upper end end, above-mentioned shaft lower end insertion
In above-mentioned bearing.
Beneficial effect using above-mentioned further scheme is that bearing block split-type design is conducive to after later period bearing damage more
It changes, assembly is also more convenient.
Further, the lower end of above-mentioned shaft extends downward into the lower section of above-mentioned axis earrings, and dismountable screw thread connects
It is connected to the stop nut for preventing it from deviating from above-mentioned axis earrings.
Beneficial effect using above-mentioned further scheme is to enable to shaft stable and axis earrings and bearing assembly group
It closes, meanwhile, also it is conducive to quick disassembling section.
Further, above-mentioned sealant is rubber seal.
Beneficial effect using above-mentioned further scheme is that sealing effect is preferable, using simple, conveniently.
Further, above-mentioned fastener includes mounting plate, rotor plate, rotor and active plugboard, and above-mentioned mounting plate is fixed on
State the other end of case lid outer surface, on the outside of top and the bottom be respectively equipped with location and installation portion, above-mentioned rotor plate one end is rotatably pacified
Between two above-mentioned location and installation portions, above-mentioned rotor plate is equipped with close to above-mentioned case lid side extends to inserting for its both ends end
Slot, above-mentioned active plugboard one end are horizontally inserted into above-mentioned slot, and other end end is equipped with bending close to the side of above-mentioned cabinet
Pothook, above-mentioned rotor are cylindrical-shaped structure, and axis is vertical with above-mentioned case lid, and above-mentioned rotor plate is equipped with and above-mentioned rotor phase
Matched pilot hole, at above-mentioned pilot hole, the other end faces away from the side of above-mentioned rotor plate for above-mentioned rotor one end rotational installation
To extension, above-mentioned rotor one end end is eccentrically mounted guiding axis of traction, and above-mentioned active plugboard one end is run through equipped with two sides vertically
Its strip-shaped hole, above-mentioned guiding axis of traction pass through above-mentioned strip-shaped hole, and above-mentioned snap seats are the convex block to match with above-mentioned pothook,
When above-mentioned case lid turning cover lives in state cabinet front opening, external force rotates above-mentioned rotor, and above-mentioned rotor drives above-mentioned guiding
Axis of traction eccentric rotary, above-mentioned guiding axis of traction is moved up and down relative to above-mentioned strip-shaped hole, and drives above-mentioned active plugboard simultaneously
It moves left and right, mutually fastens or separate with above-mentioned snap seats so that above-mentioned pothook be driven to be moved to.
Beneficial effect using above-mentioned further scheme is that fastener design is reasonable, easy to use, easy to operate, quick,
It can effectively shorten the switch-box time.
Further, the other end of above-mentioned rotor is removably arranged with taper knob.
Beneficial effect using above-mentioned further scheme is to be conducive to operating personnel to rotate operation.
Further, it is equipped with rubber spacer on the inside of above-mentioned pothook end, when above-mentioned pothook is moved to and above-mentioned snap seats
When mutually fastening, above-mentioned rubber spacer is clamped between the end of above-mentioned pothook and above-mentioned convex block.
Beneficial effect using above-mentioned further scheme is that the design enables to the case lid when pothook and soil block fasten
It is whole to be further pressed in cabinet front, further promote leakproofness between the two.
Detailed description of the invention
Fig. 1 is the structural schematic diagram in the explosion-proof waterproof wiring case of the utility model after case lid closing lid；
Fig. 2 is the overlooking structure diagram in the explosion-proof waterproof wiring case of the utility model after case lid closing lid；
Fig. 3 be the utility model explosion-proof waterproof wiring case in case lid uncap after overlooking structure diagram；
Fig. 4 is part A schematic enlarged-scale view in Fig. 2.
In attached drawing, parts list represented by the reference numerals are as follows:
1, cabinet, 2, bearing block, 3, snap seats, 4, case lid, 5, fastener, 6, sealant, 21, axis earrings, 22, bearing,
41, rotation section, 42, shaft, 51, mounting plate, 52, rotor plate, 54, rotor, 55, active plugboard, 221, limiting section, 421, limit
Nut, 541, guiding axis of traction, 551, pothook, 542, taper knob, 5511, rubber spacer.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
Embodiment: as shown in Figures 1 to 3, the explosion-proof waterproof wiring case of the present embodiment includes cabinet 1, and above-mentioned cabinet 1 is rectangular
The bodily form, front side is open, is equipped with bearing block 2, the front end edge of right end sidewalls at the front edge of above-mentioned 1 left end side wall of cabinet
Snap seats 3 are equipped at edge；Case lid 4, above-mentioned case lid 4 are and the open rectangle lid to match in above-mentioned 1 front side of cabinet, one side
Equipped with rotation section 41, the lower end of above-mentioned rotation section 41 is equipped with the shaft 42 to match with above-mentioned bearing block 2, above-mentioned shaft 42 vertically
Cross section be ellipse, above-mentioned 42 lower end of shaft is inserted into above-mentioned bearing block 2, and is rotatablely connected with above-mentioned bearing block 2, above-mentioned
The other side of case lid 4 is equipped with the fastener 5 to match with above-mentioned snap seats 3；Above-mentioned 1 front side open-mouth of cabinet and/or above-mentioned case
3 inner surface of lid protrusion is enclosed equipped with a circle sealant 6；When above-mentioned cabinet 1, which turns to, covers in above-mentioned 1 front side opening of cabinet, on
It states sealant 6 to be bonded with above-mentioned 1 front seal of cabinet, above-mentioned fastener 5 is mutually fastened with above-mentioned snap seats 3.
When needing to close case lid 4, external force rotation case lid is to 1 front side of cabinet is posted by, because shaft 42 is " elliptical shaft ", because
This, can make case lid 4 be pressed in 1 front side of cabinet in rotation closing lid back box lid 4 because shaft 42 is relative to the rotation of bearing block 2,
Self-tightening is realized when being exactly 4 closing lid of case lid, promotes the leakproofness and explosion-proof performance of entire junction box, after closing lid, is blocked by operation
Fastener 5 and 3 fast fastening of snap seats can be realized quick closing lid and lock, and when uncapping, fastener 5 can fast implement and snap seats
Rapid opening operation is realized in 3 separation.
Preferably, above-mentioned case lid 4 turns to when opening above-mentioned 1 front side opening of cabinet, and vertical with above-mentioned 1 front side of cabinet
When, the long axis of above-mentioned ellipse extends in left-right direction, above-mentioned case lid 4 turn to cover in 1 front side of above-mentioned cabinet it is open when,
The long axis of above-mentioned ellipse extends along the longitudinal direction, also, rotation section 41 and the junction of shaft 42 form a void
Quasi- cylinder (S is signified in such as figure), the center of circle of the virtual cylinder is located on the long axis of 42 elliptic cross-section of shaft, and is located at
One end of ellipse, is equivalent to and therefore in 42 rotation process of shaft, passes through conjunction with 42 section ellipse eccentric setting of shaft
The design (distributed intelligence of such as above-mentioned oval long axis) of reason can be realized case lid 4 and rotate the self-tightening after closing lid.
Preferably, above-mentioned bearing block 2 includes cylindric axis earrings 21 and bearing 22, above-mentioned axis earrings 21 is fixed on vertically
At the front edge of above-mentioned 1 left end side wall of cabinet, above-mentioned bearing 22 is vertically arranged, and lower end is coaxial and is removably inserted into above-mentioned
In axis earrings 21, the upper end end horizontal is equipped with limiting section 221, and above-mentioned limiting section 221 covers at above-mentioned 21 upper end end of axis earrings
Portion, above-mentioned 42 lower end of shaft are inserted into above-mentioned bearing 22, which is conducive to the dismounting of bearing 22, are operated more convenient.
Preferably, the lower end of above-mentioned shaft 42 extends downward into the lower section of above-mentioned axis earrings 21, and dismountable spiral shell
Line is connected with the stop nut 421 for preventing it from deviating from above-mentioned axis earrings 21, which is conducive to shaft 42 at axis earrings 21
Stablize installation, avoid shaft 42 be detached from shaft earrings 21.
Preferably, above-mentioned sealant 6 is rubber seal, which further improves entire wiring after 4 closing lid of case lid
The leakproofness and explosion-proof of case.
Preferably, above-mentioned fastener 5 includes mounting plate 51, rotor plate 52, rotor 54 and active plugboard 55, above-mentioned mounting plate
51 are fixed on the other end of above-mentioned 4 outer surface of case lid, on the outside of top and the bottom be respectively equipped with location and installation portion, above-mentioned rotor plate 52
One end may be rotatably mounted between two above-mentioned location and installation portions, and above-mentioned rotor plate 52 is equipped with close to above-mentioned 4 side of case lid to be extended
To the slot of its both ends end, above-mentioned 55 one end of active plugboard is horizontally inserted into above-mentioned slot, and other end end is close to above-mentioned case
The side of body 1 is equipped with the pothook 551 of bending, and above-mentioned rotor 54 is cylindrical-shaped structure, and axis is vertical with above-mentioned case lid 4, on
It states rotor plate 52 and is equipped with the pilot hole to match with above-mentioned rotor 54, above-mentioned 54 one end of rotor rotational installation is in above-mentioned pilot hole
Place, the direction that the other end faces away from above-mentioned rotor plate 52 extend, and above-mentioned 54 one end end of rotor is eccentrically mounted to have guiding to draw
Axis 541, above-mentioned 55 one end of active plugboard are equipped with the strip-shaped hole that it is run through in two sides vertically, and above-mentioned guiding axis of traction 541 passes through above-mentioned
Strip-shaped hole, above-mentioned snap seats 3 are the convex block to match with above-mentioned pothook 551, when above-mentioned 4 turning cover of case lid is lived in state cabinet
When 1 front side is open, external force rotates above-mentioned rotor 54, and above-mentioned rotor 54 drives above-mentioned 541 eccentric rotary of guiding axis of traction, above-mentioned to lead
It is moved up and down to axis of traction 541 relative to above-mentioned strip-shaped hole, and above-mentioned active plugboard 55 is driven to move left and right simultaneously, to drive
Above-mentioned pothook 551, which is moved to, mutually to be fastened or separates with above-mentioned snap seats 3, when locking after closing lid, turns rotor 54 counterclockwise,
Rotor 54 is rotated with action-oriented axis of traction 541, it is exactly to drive that guiding axis of traction 541, which moves up when rotating relative to strip-shaped hole,
It is mobile towards the left end of cabinet 1 to make entire active plugboard 55, so that pothook 551 clasps snap seats 3, when needs are uncapped
When, rotor 54 is turned clockwise, and rotor 54 is rotated with action-oriented axis of traction 541, relative to bar shaped when guiding axis of traction 541 rotates
Hole moves down, that is, is exactly to drive right end movement of the entire active plugboard 55 towards cabinet 1, so that pothook 551 is separate
Snap seats 3 until both be separated from each other, rotation case lid 4 is uncapped, operate it is fairly simple, can fast implement the opening of case lid 4/
Closing lid.
Preferably, the other end of above-mentioned rotor 54 is removably arranged with taper knob 542, it is convenient for operating personnel's hand-held
Switch cover.
Preferably, as shown in figure 4, rubber spacer 5511 is equipped on the inside of 551 end of above-mentioned pothook, when above-mentioned pothook
551 are moved to when mutually fastening with above-mentioned snap seats 3, above-mentioned rubber spacer 5511 be clamped in the end of above-mentioned pothook 551 with
Between above-mentioned convex block, above-mentioned rubber spacer 5511 is wedge structure, and it is inclined-plane, and the inclined-plane close to the one side of above-mentioned convex block
Tilt forwards from left to right, the purpose of this design is that active plugboard 55 be moved to the left pothook 551 gradually with convex block
When fastening, rubber spacer 5511 gradually with the rear contact of convex block, and contacts therebetween increasingly closer, its own elasticity
Deformation and front and back compression, further, it is possible to entire case lid 4 is further compressed under the pushing of rubber spacer 5511 to rear side,
To achieve the purpose that case lid 4 and 1 front side high sealing closing lid of cabinet.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (8)
1. a kind of explosion-proof waterproof wiring case characterized by comprising
Cabinet (1), the cabinet (1) are cuboid, and front side is open, at the front edge of cabinet (1) left end side wall
It is equipped with bearing block (2), is equipped with snap seats (3) at the front edge of right end sidewalls；
Case lid (4), the case lid (4) is and the rectangle lid that opening matches on front side of the cabinet (1), and one side, which is equipped with, to be turned
Dynamic portion (41), the lower end of the rotation section (41) is equipped with the shaft (42) to match with the bearing block (2), the shaft vertically
(42) cross section is ellipse, and shaft (42) lower end is inserted into the bearing block (2), and is turned with the bearing block (2)
Dynamic connection, the other side of the case lid (4) are equipped with the fastener (5) to match with the snap seats (3)；
Open-mouth and/or the case lid (4) inner surface protrusion are enclosed equipped with circle sealant (6) on front side of the cabinet (1)；
When the cabinet (1), which turns to, covers in open on front side of the cabinet (1), the sealant (6) and the cabinet (1)
Front seal fitting, the fastener (5) and the snap seats (3) mutually fasten.
2. a kind of explosion-proof waterproof wiring case according to claim 1, it is characterised in that: the case lid (4) turns to opening
When open on front side of the cabinet (1), and it is vertical on front side of the cabinet (1) when, the long axis of the ellipse is in left-right direction
Extend, the case lid (4) turns to when covering in open on front side of the cabinet (1), and the long axis of the ellipse is along front and back
To extension.
3. a kind of explosion-proof waterproof wiring case according to claim 1, it is characterised in that: the bearing block (2) includes cylinder
The axis earrings (21) and bearing (22) of shape, the axis earrings (21) are fixed on the front end edge of the cabinet (1) left end side wall vertically
At edge, the bearing (22) is vertically arranged, and lower end is coaxial and is removably inserted into the axis earrings (21), the upper end end
Level is equipped with limiting section (221), and the limiting section (221) covers in axis earrings (21) the upper end end, the shaft (42)
Lower end is inserted into the bearing (22).
4. a kind of explosion-proof waterproof wiring case according to claim 3, it is characterised in that: the lower end of the shaft (42)
The lower section of the axis earrings (21) is extended downward into, and is removably threaded with for preventing it from deviating from the axis earrings
(21) stop nut (421).
5. a kind of explosion-proof waterproof wiring case according to claim 1, it is characterised in that: the sealant (6) is that rubber is close
Seal.
6. a kind of explosion-proof waterproof wiring case according to any one of claims 1 to 5, it is characterised in that: the fastener (5)
Including mounting plate (51), rotor plate (52), rotor (54) and active plugboard (55), the mounting plate (51) is fixed on the case lid
(4) other end of outer surface, on the outside of top and the bottom be respectively equipped with location and installation portion, described rotor plate (52) one end is rotatably pacified
Between two location and installation portions, the rotor plate (52) is equipped with close to the case lid (4) side and extends to its both ends
The slot of end, described active plugboard (55) one end are horizontally inserted into the slot, and other end end is close to the cabinet (1)
Side is equipped with the pothook (551) of bending, and the rotor (54) is cylindrical-shaped structure, and axis is vertical with the case lid (4), institute
It states rotor plate (52) and is equipped with the pilot hole to match with the rotor (54), rotor (54) one end rotational installation is in described
At pilot hole, the direction that the other end faces away from the rotor plate (52) extends, and rotor (54) one end end is eccentrically mounted
Have guiding axis of traction (541), described active plugboard (55) one end is equipped with the strip-shaped hole that it is run through in two sides, the guiding traction vertically
Axis (541) passes through the strip-shaped hole, and the snap seats (3) are the convex block to match with the pothook (551), when the case lid
(4) when turning cover residence states open on front side of cabinet (1), external force rotates the rotor (54), described in the rotor (54) drives
It is oriented to axis of traction (541) eccentric rotary, the guiding axis of traction (541) moves up and down relative to the strip-shaped hole, and drives simultaneously
The active plugboard (55) is moved left and right, is mutually detained so that the pothook (551) be driven to be moved to the snap seats (3)
It closes or separates.
7. a kind of explosion-proof waterproof wiring case according to claim 6, it is characterised in that: the other end of the rotor (54) can
Disassembly is arranged with taper knob (542).
8. a kind of explosion-proof waterproof wiring case according to claim 6, it is characterised in that: in pothook (551) end
Side is equipped with rubber spacer (5511), when the pothook (551), which is moved to, mutually to be fastened with the snap seats (3), the rubber
Rubber mat layer (5511) is clamped between the end and the convex block of the pothook (551).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920409648.2U CN209608272U (en) | 2019-03-28 | 2019-03-28 | A kind of explosion-proof waterproof wiring case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920409648.2U CN209608272U (en) | 2019-03-28 | 2019-03-28 | A kind of explosion-proof waterproof wiring case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209608272U true CN209608272U (en) | 2019-11-08 |
Family
ID=68406945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920409648.2U Active CN209608272U (en) | 2019-03-28 | 2019-03-28 | A kind of explosion-proof waterproof wiring case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209608272U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117069183A (en) * | 2023-10-08 | 2023-11-17 | 上海鲁源控制设备有限公司 | Urea hydrolysis blowdown waste liquid processing apparatus |
-
2019
- 2019-03-28 CN CN201920409648.2U patent/CN209608272U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117069183A (en) * | 2023-10-08 | 2023-11-17 | 上海鲁源控制设备有限公司 | Urea hydrolysis blowdown waste liquid processing apparatus |
| CN117069183B (en) * | 2023-10-08 | 2024-03-22 | 上海鲁源控制设备有限公司 | Urea hydrolysis blowdown waste liquid processing apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200918 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee after: China Petroleum & Chemical Corp. Patentee after: SINOPEC CHUANQI DONGSONG NATURAL GAS PIPELINE Co.,Ltd. Address before: 430223 No. 126 Guanggu Avenue, Wuhan City, Hubei Province Patentee before: SINOPEC CHUANQI DONGSONG NATURAL GAS PIPELINE Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 22, Chaoyangmen North Street, Chaoyang District, Beijing 100728 Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: Sichuan East Natural Gas Pipeline Co.,Ltd. Address before: No. 22, Chaoyangmen North Street, Chaoyang District, Beijing 100728 Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: SINOPEC CHUANQI DONGSONG NATURAL GAS PIPELINE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211110 Address after: Room 08-10, 6 / F, block a, No. 5, Dongtucheng Road, Chaoyang District, Beijing 100013 Patentee after: National Petroleum and natural gas pipeline network Group Co.,Ltd. Patentee after: Sichuan East Natural Gas Pipeline Co.,Ltd. Address before: No. 22, Chaoyangmen North Street, Chaoyang District, Beijing 100728 Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: Sichuan East Natural Gas Pipeline Co.,Ltd. |
|
| TR01 | Transfer of patent right |