CN215952701U - Metering device for oil gas gathering and transportation - Google Patents
Metering device for oil gas gathering and transportation Download PDFInfo
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- CN215952701U CN215952701U CN202122621479.9U CN202122621479U CN215952701U CN 215952701 U CN215952701 U CN 215952701U CN 202122621479 U CN202122621479 U CN 202122621479U CN 215952701 U CN215952701 U CN 215952701U
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 21
- 229910052802 copper Inorganic materials 0.000 claims description 21
- 239000010949 copper Substances 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 5
- 239000003208 petroleum Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses an oil gas gathering and transferring metering device which comprises an oil storage tank, wherein an oil inlet pipe is fixedly and communicated with the top of the left side of the oil storage tank, an oil outlet pipe is fixedly and communicated with the bottom of the right side of the oil storage tank, a control valve is fixedly arranged at the right end of the oil outlet pipe, an L-shaped mounting frame is fixedly arranged at the right side of the top of the oil storage tank, an alarm lamp is fixedly arranged at the left side of the top of the L-shaped mounting frame, and a storage battery is embedded on the inner wall of the right side of the L-shaped mounting frame. The oil level alarm device is convenient for automatically alarming and reminding personnel when the oil level in the oil storage tank reaches the early warning height, the personnel can conveniently process the oil level in time, the early warning height of the oil level can be conveniently adjusted according to actual conditions, sufficient processing time can be better provided for the personnel through the adjustment mode, the risk of oil overflow caused by the fact that the personnel cannot reach in time is reduced, and the use of the personnel is facilitated.
Description
Technical Field
The utility model relates to the technical field of oil-gas gathering and transportation metering equipment, in particular to an oil-gas gathering and transportation metering device.
Background
Oil gas need separate oil gas after the exploitation to carry out defeated measurement of collection through the batch oil tank to the oil after the separation, consequently need use metering device, the metering device is failed in current oil gas collection, can not in time report to the police and remind personnel to handle after the oil storage in the batch oil tank is full, when oil is more in the batch oil tank, lead to the oil to take place from the condition that advances oil pipe and spill over easily, can not satisfy the user demand, we have proposed defeated metering device of oil gas collection based on above problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides an oil-gas gathering and transportation metering device.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the metering device is transported in oil gas collection, and comprises an oil storage tank, wherein an oil inlet pipe is fixedly communicated with the top of the left side of the oil storage tank, an oil outlet pipe is fixedly communicated with the bottom of the right side of the oil storage tank, a control valve is fixedly arranged at the right end of the oil outlet pipe, an L-shaped mounting frame is fixedly arranged at the right side of the top of the oil storage tank, a warning lamp is fixedly arranged at the left side of the top of the L-shaped mounting frame, a storage battery is embedded on the inner wall of the right side of the L-shaped mounting frame, the anode of the storage battery is electrically connected with the warning lamp, a thread driving mechanism is rotatably arranged on the inner wall of the top of the L-shaped mounting frame, a rectangular pipe with a bottom in a blocking structure is fixedly connected with the left side of the thread driving mechanism, the rectangular pipe penetrates through and extends to the inside of the oil storage tank, a guide mechanism is fixedly connected with the inner wall of the left side of the rectangular pipe, the top of the guide mechanism extends to the upper side of the rectangular pipe and is fixedly connected with the inner wall of the L-shaped mounting frame, a first through hole is arranged on the inner wall of the bottom end of the rectangular tube, a T-shaped insulating rod is connected in the first through hole in a sliding way, a first insulating rod is fixedly connected on the inner wall of the right side of the rectangular tube, copper sheets are fixedly arranged at the bottom of the first insulating rod and the top of the T-shaped insulating rod, the alarm lamp is electrically connected with the copper sheet positioned at the top of the T-shaped insulating rod, the negative electrode of the storage battery is electrically connected with the copper sheet positioned at the bottom of the first insulating rod, the bottom end of the T-shaped insulating rod extends to the lower part of the rectangular tube and is fixedly connected with a pressing block, the inner wall of the top of the oil storage tank is provided with a mounting through hole, a sealing sleeve is fixedly sleeved in the mounting through hole, a T-shaped scale rod is slidably sleeved in the sealing sleeve, the front side of the T-shaped scale rod is provided with scale marks, the left side fixed mounting of rectangular pipe has the stopper with T shape scale pole matched with, and the bottom of T shape scale pole extends to the inside of batch oil tank and fixedly connected with floats the board.
Preferably, the thread driving mechanism comprises a screw rotatably installed on the inner wall of the top of the L-shaped installation frame, the bottom end of the screw is rotatably installed at the top of the oil storage tank, a rectangular moving block is sleeved on the screw in a threaded manner, the top end of the screw extends to the upper portion of the L-shaped installation frame and is fixedly connected with a circular turntable, and the left side of the rectangular moving block is fixedly connected with the top of the right side of the rectangular tube.
Preferably, guiding mechanism includes the rectangle guide block of fixed connection on the inner wall of rectangular pipe left side, and the slip through-hole has been seted up at the top of rectangle guide block, and the slip cover is equipped with L shape guide arm in the slip through-hole, the left end of L shape guide arm and the left side inner wall sliding contact of rectangular pipe, the top of L shape guide arm extend to the top of rectangular pipe and with the top inner wall fixed connection of L shape mounting bracket.
Preferably, an oil inlet through hole is formed in the inner wall of the left side of the oil storage tank, the inner wall of the oil inlet through hole is fixedly connected with the outer side of the oil inlet pipe, an oil outlet through hole is formed in the inner wall of the right side of the oil storage tank, the inner wall of the oil outlet through hole is fixedly connected with the outer side of the oil outlet pipe, and rectangular supporting legs are fixedly mounted at four corners of the bottom of the oil storage tank.
Preferably, a rectangular sliding through hole is formed in the inner wall of the top of the oil storage tank, and the inner walls of four sides of the rectangular sliding through hole are in sliding contact with the left side, the right side, the front side and the rear side of the rectangular pipe respectively.
Preferably, a circular through hole is formed in the inner wall of the top of the L-shaped mounting frame, a first bearing is fixedly mounted between the inner walls of the two sides of the circular through hole, an inner ring of the first bearing is fixedly sleeved with the outer side of the screw rod, a second bearing is fixedly connected to the top of the oil storage tank, and the inner side of the inner ring of the second bearing is fixedly connected with the outer side of the screw rod.
Preferably, the top of the rectangular moving block is provided with a threaded hole matched with the outer side of the screw in a threaded manner.
Preferably, an embedded groove is formed in the inner wall of the right side of the L-shaped mounting frame, and the inner wall of the embedded groove and the outer side of the storage battery are fixedly mounted.
Preferably, the alarm lamp, the storage battery, the copper sheet positioned at the top of the T-shaped insulating rod and the copper sheet positioned at the bottom of the first insulating rod sequentially form a loop.
Compared with the prior art, the utility model has the beneficial effects that:
the oil level alarm device is convenient for automatically alarming and reminding personnel when the oil level in the oil storage tank reaches the early warning height, the personnel can conveniently process the oil level in time, the early warning height of the oil level can be conveniently adjusted according to actual conditions, sufficient processing time can be better provided for the personnel through the adjustment mode, the risk of oil overflow caused by the fact that the personnel cannot reach in time is reduced, and the use of the personnel is facilitated.
Drawings
FIG. 1 is a schematic structural view of an oil-gas gathering and transportation metering device according to the present invention;
fig. 2 is a schematic structural view of a front cross section of the oil-gas gathering and transportation metering device provided by the utility model.
In the figure: the device comprises an oil storage tank 1, a control valve 2, a sealing sleeve 3, a 4T-shaped scale rod, a floating plate 5, a rectangular pipe 6, a rectangular guide block 7, an L-shaped guide rod 8, a T-shaped insulating rod 9, a pressing block 10, a first insulating rod 11, a copper sheet 12, an L-shaped mounting frame 13, a circular turntable 14, a screw rod 15, a rectangular moving block 16, a storage battery 17, an alarm lamp 18 and a limiting block 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, the oil gas gathering and transportation metering device comprises an oil storage tank 1, an oil inlet pipe is fixed and communicated with the top of the left side of the oil storage tank 1, an oil outlet pipe is fixed and communicated with the bottom of the right side of the oil storage tank 1, a control valve 2 is fixedly installed at the right end of the oil outlet pipe, an L-shaped mounting frame 13 is fixedly installed at the right side of the top of the oil storage tank 1, an alarm lamp 18 is fixedly installed at the left side of the top of the L-shaped mounting frame 13, a storage battery 17 is embedded on the inner wall of the right side of the L-shaped mounting frame 13, the anode of the storage battery 17 is electrically connected with the alarm lamp 18, a thread driving mechanism is rotatably installed on the inner wall of the top of the L-shaped mounting frame 13, a rectangular pipe 6 with a bottom end in a blocking structure is fixedly connected to the left side of the thread driving mechanism, the rectangular pipe 6 penetrates and extends into the oil storage tank 1, a guiding mechanism is fixedly connected to the inner wall of the left side of the rectangular pipe 6, the top of the guiding mechanism extends to the rectangular pipe 6 and is fixedly connected with the inner wall of the top of the L-shaped mounting frame 13, the bottom end inner wall of the rectangular tube 6 is provided with a first through hole, a T-shaped insulating rod 9 is connected in the first through hole in a sliding manner, a first insulating rod 11 is fixedly connected on the right side inner wall of the rectangular tube 6, copper sheets 12 are fixedly arranged at the bottom of the first insulating rod 11 and the top of the T-shaped insulating rod 9, an alarm lamp 18 is electrically connected with the copper sheet 12 at the top of the T-shaped insulating rod 9, the negative electrode of a storage battery 17 is electrically connected with the copper sheet 12 at the bottom of the first insulating rod 11, the bottom end of the T-shaped insulating rod 9 extends to the lower part of the rectangular tube 6 and is fixedly connected with a pressing block 10, the top inner wall of the oil storage tank 1 is provided with a mounting through hole, a sealing sleeve 3 is fixedly sleeved in the mounting through hole, a T-shaped scale rod 4 is sleeved in the sealing sleeve 3 in a sliding manner, the front side of the T-shaped scale rod 4 is provided with scale marks, a limiting block 19 matched with the T-shaped scale rod 4 is fixedly arranged at the left side of the rectangular tube 6, the bottom end of the T-shaped scale rod 4 extends into the oil storage tank 1 and is fixedly connected with the floating plate 5, so that the oil level in the oil storage tank 1 can be automatically warned to remind people when reaching the early warning height, the people can conveniently and timely handle the oil level, the early warning height of the oil level can be conveniently adjusted according to actual conditions, sufficient processing time can be better provided for the people through the adjustment mode, the risk of oil overflow caused by the fact that the people cannot reach the oil level in time is reduced, and the use of the people is facilitated.
In the utility model, the thread driving mechanism comprises a screw rod 15 which is rotatably arranged on the inner wall of the top of an L-shaped mounting frame 13, the bottom end of the screw rod 15 is rotatably arranged on the top of an oil storage tank 1, a rectangular moving block 16 is sleeved on the screw thread on the screw rod 15, the top end of the screw rod 15 extends to the upper side of the L-shaped mounting frame 13 and is fixedly connected with a circular turntable 14, the left side of the rectangular moving block 16 is fixedly connected with the top of the right side of a rectangular tube 6, the guiding mechanism comprises a rectangular guiding block 7 which is fixedly connected on the inner wall of the left side of the rectangular tube 6, the top of the rectangular guiding block 7 is provided with a sliding through hole, an L-shaped guide rod 8 is sleeved in the sliding through hole in a sliding manner, the left end of the L-shaped guide rod 8 is in sliding contact with the inner wall of the left side of the rectangular tube 6, the top end of the L-shaped guide rod 8 extends to the upper side of the rectangular tube 6 and is fixedly connected with the inner wall of the top of the L-shaped mounting frame 13, and the left inner wall of the oil storage tank 1 is provided with an oil inlet through hole, the inner wall of the oil inlet through hole is fixedly connected with the outer side of the oil inlet pipe, the right side inner wall of the oil storage tank 1 is provided with an oil outlet through hole, the inner wall of the oil outlet through hole is fixedly connected with the outer side of the oil outlet pipe, four corners of the bottom of the oil storage tank 1 are fixedly provided with rectangular supporting legs, the top inner wall of the oil storage tank 1 is provided with a rectangular sliding through hole, the four side inner walls of the rectangular sliding through hole are respectively in sliding contact with the left side, the right side, the front side and the rear side of the rectangular pipe 6, the top inner wall of the L-shaped mounting frame 13 is provided with a circular through hole, a first bearing is fixedly arranged between the two side inner walls of the circular through hole, the inner ring of the first bearing is fixedly sleeved with the outer side of the screw rod 15, the top of the oil storage tank 1 is fixedly connected with a second bearing, the inner ring of the second bearing is fixedly connected with the outer side of the screw rod 15, the top of the rectangular moving block 16 is provided with a threaded hole matched with the outer side of the screw rod 15, the oil level alarm device is characterized in that an embedded groove is formed in the inner wall of the right side of the L-shaped mounting frame 13, the inner wall of the embedded groove and the outer side of the storage battery 17 are fixedly mounted, the alarm lamp 18, the storage battery 17, the copper sheet 12 located at the top of the T-shaped insulating rod 9 and the copper sheet 12 located at the bottom of the first insulating rod 11 sequentially form a loop, and therefore automatic alarm reminding personnel can be conveniently carried out when the oil level in the oil storage tank 1 reaches the early warning height, the oil level alarm device is convenient for the personnel to timely handle, the early warning height of the oil level can be conveniently adjusted according to actual conditions, sufficient processing time can be better provided for the personnel through the adjustment mode, the risk that the personnel cannot timely reach oil overflow is reduced, and the use of the personnel is facilitated.
The working principle is as follows: when petroleum is infused into the oil storage tank 1, the height of the oil surface of the petroleum is continuously increased along with the infusion of the petroleum into the oil storage tank 1, the floating plate 5 gradually floats upwards under the action of the buoyancy of the floating plate 5, the floating plate 5 drives the T-shaped scale rod 4 to continuously move upwards, at the moment, a person can judge the amount of the petroleum in the oil storage tank 1 through the scale mark on the T-shaped scale rod 4, when the floating plate 5 moves upwards to the top of the floating plate and is contacted with the bottom of the pressing block 10, the floating plate 5 continuously moves upwards and presses the pressing block 10 to move upwards, the pressing block 10 drives the T-shaped insulating rod 9 to move upwards, the T-shaped insulating rod 9 drives the copper sheet 12 fixedly connected with the T-shaped insulating rod to move upwards, when the copper sheet 12 below moves upwards to be contacted with the copper sheet 12 at the bottom of the first insulating rod 11, the oil level reaches the early warning height, at the moment, the warning lamp 18, the storage battery 17, the copper sheet 12 at the top of the T-shaped insulating rod 9 and the copper sheet 12 at the bottom of the first insulating rod 11 sequentially form a loop, the alarm lamp 18 is electrified to alarm to remind personnel, so that the personnel can find and process the oil in time, and the risk of oil overflow is reduced;
when the early warning height of the oil level of the oil needs to be adjusted according to the use needs, the circular rotary disc 14 is rotated, the circular rotary disc 14 drives the screw rod 15 to rotate, under the action of a threaded hole formed in the rectangular moving block 16, the screw rod 15 rotates to drive the rectangular moving block 16 to move downwards, the rectangular moving block 16 drives the rectangular pipe 6 to move downwards, the rectangular pipe 6 drives the rectangular guide block 7 to move downwards along the L-shaped guide rod 8, meanwhile, the rectangular pipe 6 drives the pressing block 10 to move downwards through the T-shaped insulating rod 9, after the bottom of the pressing block 10 reaches the early warning height of the oil level of the oil, the circular rotary disc 14 stops rotating, under the action of the thread locking force of the threaded hole and the screw rod 15, the rectangular pipe 6 is fixed, so that the oil level can be conveniently adjusted according to the use needs by personnel, and sufficient processing time can be better provided for the personnel, the risk that the oil that personnel can not reach in time and cause spills over is reduced.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (9)
1. Metering device is failed to oil gas collection, including batch oil tank (1), the fixed and intercommunication of left side top of batch oil tank (1) has into oil pipe, and the fixed and intercommunication of right side bottom of batch oil tank (1) has an oil pipe, and the right-hand member fixed mounting who goes out oil pipe has control valve (2), its characterized in that, the top right side fixed mounting of batch oil tank (1) has L shape mounting bracket (13), and the top left side fixed mounting of L shape mounting bracket (13) has warning light (18), inlay on the right side inner wall of L shape mounting bracket (13) and be equipped with battery (17), the positive pole and the warning light (18) electric connection of battery (17), rotate on the top inner wall of L shape mounting bracket (13) and install screw thread actuating mechanism, screw thread actuating mechanism's left side fixedly connected with bottom is rectangular pipe (6) of shutoff structure, and rectangular pipe (6) run through and extend to the inside of batch oil tank (1), the device is characterized in that a guide mechanism is fixedly connected to the inner wall of the left side of the rectangular tube (6), the top of the guide mechanism extends to the upper side of the rectangular tube (6) and is fixedly connected with the inner wall of the top of the L-shaped mounting frame (13), a first through hole is formed in the inner wall of the bottom end of the rectangular tube (6), a T-shaped insulating rod (9) is connected in the first through hole in a sliding manner, a first insulating rod (11) is fixedly connected to the inner wall of the right side of the rectangular tube (6), copper sheets (12) are fixedly mounted at the bottom of the first insulating rod (11) and the top of the T-shaped insulating rod (9), an alarm lamp (18) is electrically connected with the copper sheets (12) positioned at the top of the T-shaped insulating rod (9), the negative electrode of a storage battery (17) is electrically connected with the copper sheets (12) positioned at the bottom of the first insulating rod (11), the bottom end of the T-shaped insulating rod (9) extends to the lower side of the rectangular tube (6) and is fixedly connected with a pressing block (10), be equipped with the installation through-hole on the top inner wall of batch oil tank (1), the fixed cover is equipped with seal cover (3) in the installation through-hole, and the slip cap is equipped with T shape scale rod (4) in seal cover (3), and the front side of T shape scale rod (4) is equipped with the scale mark, the left side fixed mounting of rectangular pipe (6) has stopper (19) with T shape scale rod (4) matched with, and the bottom of T shape scale rod (4) extends to the inside and the fixedly connected with floating plate (5) of batch oil tank (1).
2. The oil gas gathering and transferring metering device as claimed in claim 1, wherein the thread driving mechanism comprises a screw (15) rotatably mounted on the inner wall of the top of the L-shaped mounting frame (13), the bottom end of the screw (15) is rotatably mounted on the top of the oil storage tank (1), a rectangular moving block (16) is sleeved on the screw (15) in a threaded manner, the top end of the screw (15) extends to the position above the L-shaped mounting frame (13) and is fixedly connected with a circular rotating disc (14), and the left side of the rectangular moving block (16) is fixedly connected with the top of the right side of the rectangular pipe (6).
3. The oil gas gathering and transportation metering device according to claim 1, wherein the guide mechanism comprises a rectangular guide block (7) fixedly connected to the inner wall of the left side of the rectangular pipe (6), a sliding through hole is formed in the top of the rectangular guide block (7), an L-shaped guide rod (8) is sleeved in the sliding through hole in a sliding mode, the left end of the L-shaped guide rod (8) is in sliding contact with the inner wall of the left side of the rectangular pipe (6), and the top end of the L-shaped guide rod (8) extends to the upper portion of the rectangular pipe (6) and is fixedly connected with the inner wall of the top of the L-shaped mounting frame (13).
4. The oil gas gathering and transportation metering device as defined in claim 1, wherein an oil inlet through hole is formed in the inner wall of the left side of the oil storage tank (1), the inner wall of the oil inlet through hole is fixedly connected with the outer side of the oil inlet pipe, an oil outlet through hole is formed in the inner wall of the right side of the oil storage tank (1), the inner wall of the oil outlet through hole is fixedly connected with the outer side of the oil outlet pipe, and rectangular supporting legs are fixedly mounted at four corners of the bottom of the oil storage tank (1).
5. The oil gas gathering and transportation metering device according to claim 1, wherein a rectangular sliding through hole is formed in the top inner wall of the oil storage tank (1), and the inner walls of four sides of the rectangular sliding through hole are in sliding contact with the left side, the right side, the front side and the rear side of the rectangular pipe (6) respectively.
6. The oil gas gathering and transferring metering device as defined in claim 2, wherein a circular through hole is formed in the inner wall of the top of the L-shaped mounting frame (13), a first bearing is fixedly mounted between the inner walls of the two sides of the circular through hole, the inner ring of the first bearing is fixedly sleeved with the outer side of the screw (15), a second bearing is fixedly connected to the top of the oil storage tank (1), and the inner side of the inner ring of the second bearing is fixedly connected with the outer side of the screw (15).
7. The oil gas gathering and transferring metering device as defined in claim 2, wherein the top of the rectangular moving block (16) is provided with a threaded hole which is in threaded fit with the outer side of the screw (15).
8. The oil gas gathering and metering device as claimed in claim 1, wherein the right inner wall of the L-shaped mounting rack (13) is provided with an embedded groove, and the inner wall of the embedded groove is fixedly mounted with the outer side of the storage battery (17).
9. The oil and gas gathering and metering device as set forth in claim 1, characterized in that the alarm lamp (18), the storage battery (17), the copper sheet (12) on the top of the T-shaped insulating rod (9) and the copper sheet (12) on the bottom of the first insulating rod (11) form a loop in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122621479.9U CN215952701U (en) | 2021-10-29 | 2021-10-29 | Metering device for oil gas gathering and transportation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122621479.9U CN215952701U (en) | 2021-10-29 | 2021-10-29 | Metering device for oil gas gathering and transportation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215952701U true CN215952701U (en) | 2022-03-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122621479.9U Expired - Fee Related CN215952701U (en) | 2021-10-29 | 2021-10-29 | Metering device for oil gas gathering and transportation |
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| Country | Link |
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| CN (1) | CN215952701U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115137857A (en) * | 2022-07-19 | 2022-10-04 | 朱令凤 | Degassing unit is used in gynaecology and obstetrics's nursing |
-
2021
- 2021-10-29 CN CN202122621479.9U patent/CN215952701U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115137857A (en) * | 2022-07-19 | 2022-10-04 | 朱令凤 | Degassing unit is used in gynaecology and obstetrics's nursing |
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