CN207962064U - A kind of oil drum oil suction structure and barreled oil filling device - Google Patents
A kind of oil drum oil suction structure and barreled oil filling device Download PDFInfo
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- CN207962064U CN207962064U CN201820417883.XU CN201820417883U CN207962064U CN 207962064 U CN207962064 U CN 207962064U CN 201820417883 U CN201820417883 U CN 201820417883U CN 207962064 U CN207962064 U CN 207962064U
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- suction
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Abstract
The utility model provides a kind of oil drum oil suction structure and barreled oil filling device, it is related to oil filling technical field, oil drum oil suction structure includes oil pick-up tube and oil suction disk, one end of oil pick-up tube is for stretching into oil drum, for connecting petroleum pipeline, the oil pick-up tube that oil suction disk is removably attachable to stretches into one end of oil drum and is connected to oil pick-up tube the other end.Oil suction disk includes connector and oil absorption head, connector is removably set in oil pick-up tube, oil absorption head is fixedly connected on connector and has oil suction inner cavity, oil suction inner cavity is connected to oil pick-up tube, it is spaced apart on the peripheral surface of oil absorption head and is equipped with multiple first oil-sucking holes, each first oil-sucking hole is connected to oil suction inner cavity.Compared to the prior art, a kind of oil drum oil suction structure provided by the utility model, stability of flow, oil pumping effect are good, will not blockage phenomenon.
Description
Technical field
The utility model is related to oil filling technical fields, in particular to a kind of oil drum oil suction structure and bucket
Fill oil filling device.
Background technology
Lubricating oil is one of essential substance of mechanical equipment normal operation, in order to safeguard the operating of mechanical equipment, often
It often needs to fill lubricating oil to mechanical equipment, and for big machinery, the adding amount of lubricating oil is also bigger, so this kind of lubrication
Oil is usually from barreled lubricating oil.
It is pressurized unit barreled oil filling technique usually in simple spacious paulin or open space progress, is exposed to the sun and rain by burning sun
The filling technique of the limitation of mist environmental weather conditions, outmoded backwardness is easily polluted by rainwater, steam, dust, and steam, drop enter
It in Lubricating oil barrel, causes oil emulsion, go bad, oil product lubricant effect can be substantially reduced, seriously affecting the safety of supercharging unit just
Often operation.
Meanwhile oil pick-up tube is directly protruding into oil drum in filling and aspirates by existing barreled lubricating oil, efficiency is low
And it is ineffective for the absorption of the lubricating oil of oil drum bottom, and it be easy to cause when cylinder of pumping abuts to barrel bottom the feelings of blocking
Condition.
In view of this, designing and manufacturing, a kind of oil pumping effect is good, and the oil drum oil suction structure that will not be blocked just seems particularly heavy
It wants.
Utility model content
The purpose of this utility model is to provide a kind of oil drum oil suction structure, stability of flow, oil pumping effect are good, Bu Huifa
Raw clogging.
The another object of the utility model is to provide a kind of barreled oil filling device, oil pumping stability of flow, pumping
Oily effect is good, will not block, and substantially increases the efficiency of filling lubricating oil.
The utility model is realized using technical solution below.
A kind of oil drum oil suction structure, for stretching into oil suction in oil drum, oil drum oil suction structure includes oil pick-up tube and oil suction disk, is taken out
One end of oil pipe is for stretching into oil drum, and for connecting petroleum pipeline, oil suction disk is removably attachable to oil pick-up tube and stretches into the other end
One end of oil drum is simultaneously connected to oil pick-up tube.Oil suction disk includes connector and oil absorption head, and connector is removably set in oil pick-up tube
On, oil absorption head is fixedly connected on connector and has oil suction inner cavity, and oil suction inner cavity is connected to oil pick-up tube, on the peripheral surface of oil absorption head
It is spaced apart and is equipped with multiple first oil-sucking holes, each first oil-sucking hole is connected to oil suction inner cavity.
During filling lubricating oil, oil suction disk is pre-installed on one end of oil pick-up tube, petroleum pipeline is connected to pumping
The other end of oil pipe, and oil pick-up tube is extend into oil drum, it opens oil well pump and pumps, due to being opened on the peripheral surface of oil absorption head
Equipped with multiple first oil-sucking holes so that the lubricating oil in bucket can enter oil suction inner cavity by multiple first oil-sucking holes, in turn
Enter oil pick-up tube, stability of flow, while when oil pick-up tube reaches barrel bottom will not blockage phenomenon, oil pumping will not more be imitated
Fruit has any impact, and improves oil pumping effect and pumping efficiency.
Further, connection through-hole is offered on connector, there is the inner peripheral surface for connecting through-hole internal thread, oil pick-up tube to stretch into
There is external screw thread, connector to be threadedly coupled with oil pick-up tube for one end of oil drum.
Further, there is connection reinforcement ring, connection reinforcement ring set to be located at oil pick-up tube for the one end of connector far from oil absorption head
On, for reinforcing the bonding strength between connector and oil pick-up tube.
Further, the first oil-sucking hole is four, and four the first oil-sucking holes are evenly distributed on the peripheral surface of oil absorption head, and phase
The opening direction of adjacent two the first oil-sucking holes is mutually perpendicular to.
Further, the bottom of oil absorption head offers the second oil-sucking hole, the opening direction of the second oil-sucking hole and the first oil suction
The opening direction in hole is perpendicular, and the second oil-sucking hole is connected to oil suction inner cavity.
Further, the diameter of the second oil-sucking hole is identical as the diameter of the first oil-sucking hole.
Further, oil drum oil suction structure further includes bung sealing structure, and it is close that bung sealing structure is set in oil pick-up tube
One end of petroleum pipeline, and bung sealing structure is used to be connected to the top of oil drum.
Further, bung sealing structure includes the seal sleeve and branch sleeve of coaxial arrangement, and seal sleeve is set in
In oil pick-up tube, branch sleeve is fixedly connected on seal sleeve and the top for being removably attachable to oil drum.
A kind of barreled oil filling device, including oil well pump, oil drum, petroleum pipeline and oil drum oil suction structure, oil drum are inhaled
Oily structure includes oil pick-up tube and oil suction disk, and one end of oil pick-up tube is for stretching into oil drum, and the other end is for connecting petroleum pipeline, oil suction
The oil pick-up tube that disk is removably attachable to stretches into one end of oil drum and is connected to oil pick-up tube.Oil suction disk includes connector and oil absorption head,
Connector is removably set in oil pick-up tube, oil absorption head be fixedly connected on connector and have oil suction inner cavity, oil suction inner cavity with
Oil pick-up tube is connected to, and is spaced apart on the peripheral surface of oil absorption head and is equipped with multiple first oil-sucking holes, each first oil-sucking hole in oil suction
Chamber is connected to.Oil well pump is connect with petroleum pipeline, and petroleum pipeline is connect with oil pick-up tube, oil pick-up tube stretch into oil drum and be accommodated in oil drum bottom
The connection of the oil suction disk in portion.
Further, petroleum pipeline is PVC wired hoses.
The utility model has the advantages that：
A kind of oil drum oil suction structure provided by the utility model, by one end of oil pick-up tube for stretching into oil drum, the other end
It is connected on petroleum pipeline, the oil pick-up tube that oil suction disk is removably attachable to stretches into one end of oil drum and is connected to oil pick-up tube.Oil suction disk
Including connector and oil absorption head, connector is removably set in oil pick-up tube, and oil absorption head is fixedly connected on connector and has
Oil suction inner cavity, oil suction inner cavity are connected to oil pick-up tube, are spaced apart on the peripheral surface of oil absorption head and are equipped with multiple first oil-sucking holes, Mei Ge
One oil-sucking hole is connected to oil suction inner cavity, and during filling lubricating oil, oil suction disk is pre-installed in one end of oil pick-up tube
On, petroleum pipeline is connected to the other end of oil pick-up tube, and oil pick-up tube is extend into oil drum, opens oil well pump and pumps, due to
Multiple first oil-sucking holes are offered on the peripheral surface of oil absorption head so that lubricating oil in bucket can by multiple first oil-sucking holes into
Enter to oil suction inner cavity, and then enters oil pick-up tube, stability of flow, while when oil pick-up tube reaches barrel bottom will not occur to block existing
As will not more have any impact to oil pumping effect, improve oil pumping effect and pumping efficiency.Compared to the prior art, this reality
With a kind of oil drum oil suction structure of novel offer, stability of flow, oil pumping effect are good, will not blockage phenomenon.
Description of the drawings
It, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the attachment structure schematic diagram for the oil drum oil suction structure that the utility model first embodiment provides；
Fig. 2 is the attachment structure schematic diagram of oil suction disk in Fig. 1；
Fig. 3 is the structural schematic diagram of oil suction disk in Fig. 1；
Fig. 4 is the attachment structure schematic diagram of bung sealing structure in Fig. 1.
Icon：100- oil drum oil suction structures；110- oil pick-up tubes；130- oil suction disks；131- connectors；133- oil absorption heads；
The first oil-sucking holes of 135-；The second oil-sucking holes of 137-；150- bung sealing structures；151- seal sleeves；153- branch sleeves；155-
Seal washer；200- barreled oil filling devices；210- oil drums；230- petroleum pipelines.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiments of the present invention to providing in the accompanying drawings is not intended to limit requirement below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts, all
Belong to the range of the utility model protection.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
In the description of the present invention, it should be noted that term "center", "upper", "vertical", "horizontal", "inner",
The orientation or positional relationship of the instructions such as "outside" is to be based on the orientation or positional relationship shown in the drawings or the utility model product
The orientation or positional relationship usually put when use, is merely for convenience of describing the present invention and simplifying the description, without referring to
Show or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot manage
Solution is limitations of the present invention.In addition, term " first ", " second " etc. are only used for distinguishing description, and should not be understood as referring to
Show or imply relative importance.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " connected ", " installation ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, can also be electrical connection；It can be directly connected, intermediary can also be passed through
It is indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, it can be managed with concrete condition
Solve the concrete meaning of above-mentioned term in the present invention.
Below in conjunction with the accompanying drawings, it elaborates to some embodiments of the utility model.In the absence of conflict, under
Feature in the embodiment stated can be combined with each other.
First embodiment
In conjunction with a kind of oil drum oil suction structure 100 referring to Fig. 1 and Fig. 2, is present embodiments provided, for stretching into oil drum 210
Oil suction, oil drum oil suction structure 100 include oil pick-up tube 110, oil suction disk 130 and bung sealing structure 150, one end of oil pick-up tube 110
For stretching into oil drum 210, for connecting petroleum pipeline 230, oil suction disk 130 is removably attachable to oil pick-up tube 110 and stretches the other end
Enter one end of oil drum 210 and is connected to oil pick-up tube 110.Oil suction disk 130 includes connector 131 and oil absorption head 133, connector 131
It is removably set in oil pick-up tube 110, oil absorption head 133 is fixedly connected on connector 131 and has oil suction inner cavity, oil suction inner cavity
It is connected to oil pick-up tube 110, is spaced apart on the peripheral surface of oil absorption head 133 and is equipped with multiple first oil-sucking holes 135, each first oil-sucking hole
135 are connected to oil suction inner cavity.The setting of barreled sealing structure is at 210 top of oil drum and is set in oil pick-up tube 110 close to petroleum pipeline
230 one end.
During filling lubricating oil, oil suction disk 130 is pre-installed on one end of oil pick-up tube 110, petroleum pipeline 230
It is connected to the other end of oil pick-up tube 110, and oil pick-up tube 110 is extend into oil drum 210, oil well pump is opened and pumps, due to
Multiple first oil-sucking holes 135 are offered on the peripheral surface of oil absorption head 133 so that the lubricating oil in bucket can be inhaled by multiple first
Oilhole 135 enters oil suction inner cavity, and then enters oil pick-up tube 110, stability of flow, while when oil pick-up tube 110 reaches barrel bottom
Will not blockage phenomenon, will not more have any impact to oil pumping effect, improve oil pumping effect and pumping efficiency.
Connection through-hole is offered on connector 131, there is the inner peripheral surface for connecting through-hole internal thread, oil pick-up tube 110 to stretch into oil
There is external screw thread, connector 131 to be threadedly coupled with oil pick-up tube 110 for one end of bucket 210.Certainly, connector 131 and oil pick-up tube herein
110 can also be attached by the other modes such as interference fit or pin connection, as long as enabling to connector 131 and oil pumping
The mode that pipe 110 is detachably connected both is within the protection scope of the present invention.
In the present embodiment, the one end of connector 131 far from oil absorption head 133 has connection reinforcement ring, connection reinforcement ring set
It is located in oil pick-up tube 110, for reinforcing the bonding strength between connector 131 and oil pick-up tube 110.
In the present embodiment, the first oil-sucking hole 135 is four, and four the first oil-sucking holes 135 are evenly distributed on oil absorption head 133
Peripheral surface, and the opening direction of two neighboring first oil-sucking hole 135 is mutually perpendicular to.Specifically, each first oil-sucking hole 135
Aperture is 10mm, and the sum of circulation area of 4 the first oil-sucking holes 135 is equal with the circulation area of oil pick-up tube 110 so that passes through 4
A first oil-sucking hole 135 can meet the maximum oil pumping amount of oil pick-up tube 110.
Referring to Fig. 3, it should be noted that offer the second oil-sucking hole 137, the second oil-sucking hole in the bottom of oil absorption head 133
137 opening direction and the opening direction of the first oil-sucking hole 135 are perpendicular, and the second oil-sucking hole 137 is connected to oil suction inner cavity.Tool
Body, the diameter of the second oil-sucking hole 137 is identical as the diameter of the first oil-sucking hole 135.210 bottom of oil drum is touched in oil absorption head 133
When portion, oil absorption head 133 carries out oil suction by 4 the first oil-sucking holes 135 that periphery is arranged, and oil is not touched in oil absorption head 133
When 210 bottom of bucket, oil absorption head 133, also can be in oil drum while improving oil suction efficiency also by 137 oil suction of the second oil-sucking hole
Ensure oil suction efficiency when pasta in 210 is close to bottom, to improve whole oil suction efficiency.
Referring to Fig. 4, bung sealing structure 150 is set in oil pick-up tube 110 close to one end of petroleum pipeline 230, and bung seals
Structure 150 is used to be connected to the top of oil drum 210.
Bung sealing structure 150 includes that the seal sleeve 151 of coaxial arrangement and branch sleeve 153, seal sleeve 151 are arranged
In oil pick-up tube 110, branch sleeve 153 is fixedly connected on seal sleeve 151 and the top for being removably attachable to oil drum 210
Portion.
In filling process, the lubricating oil in oil drum 210 is evacuated to petroleum pipeline 230 by oil pick-up tube 110, due to seal sleeve
151 are set in oil pick-up tube 110, branch sleeve 153 be fixedly connected on seal sleeve 151 and with the top side detachable of oil drum 210
Connection, so that oil pick-up tube 110 can keep being relatively fixed with oil drum 210, avoids the shaking and abrasion of oil pick-up tube 110.
In the present embodiment, seal sleeve 151 and the junction of oil pick-up tube 110 are additionally provided with seal washer 155, gasket
Circle 155 is set in oil pick-up tube 110, due to the presence of seal washer 155 so that the difficulties such as extraneous impurity such as dust or steam
To enter the gap between seal sleeve 151 and oil pick-up tube 110, so as to avoid the pollution to lubricating oil in oil drum 210.
In the present embodiment, the peripheral surface of branch sleeve 153 is provided with external screw thread and connects with the top surface screw thread of oil drum 210
It connects.Certainly, branch sleeve 153 and oil drum 210 can also be other types of attachment such as to be bolted or rivet herein, as long as energy
Enough it both is within the protection scope of the present invention the mode that branch sleeve 153 is detachably connected with oil drum 210.
In the present embodiment, seal washer 155 is two, and two seal washers 155 overlap and are connected to oil pumping
The internal perisporium of the periphery wall and seal sleeve 151 of pipe 110.
In the present embodiment, seal washer 155 is rubber washer, and rubber washer has good flexibility, can abut
Between oil pick-up tube 110 and seal sleeve 151 and oil pick-up tube 110 is tightly connected with seal sleeve 151.
In conclusion a kind of oil drum oil suction structure 100 provided in this embodiment will inhale during filling lubricating oil
Food tray 130 is pre-installed on one end of oil pick-up tube 110, and petroleum pipeline 230 is connected to the other end of oil pick-up tube 110, and will oil pumping
Pipe 110 is extend into oil drum 210, and bung sealing structure 150 is mounted on to the top of oil drum 210, and is consolidated to oil pick-up tube 110
It is fixed, it opens oil well pump and pumps, due to offering multiple first oil-sucking holes 135 on the peripheral surface of oil absorption head 133 so that in bucket
Lubricating oil can enter oil suction inner cavity by multiple first oil-sucking holes 135, and then enter oil pick-up tube 110, stability of flow,
Simultaneously when oil pick-up tube 110 reaches barrel bottom will not blockage phenomenon, will not more have any impact, improve to oil pumping effect
Oil pumping effect and pumping efficiency.Simultaneously because the fixed left and right of bung sealing structure 150, so that oil pick-up tube 110 and oil
Bucket 210 can keep being relatively fixed, and avoid the shaking and abrasion of oil pick-up tube 110.
Second embodiment
Continuing with referring to Fig. 1, a kind of barreled oil filling device 200 is present embodiments provided, including (figure is not for oil well pump
Show), oil drum 210, petroleum pipeline 230 and oil drum oil suction structure 100, the wherein basic structure and principle of oil drum oil suction structure 100
And the technique effect generated is identical with first embodiment, to briefly describe, the present embodiment part does not refer to place, can refer to first
Corresponding contents in embodiment.
Oil drum oil suction structure 100 includes oil pick-up tube 110 and oil suction disk 130, and one end of oil pick-up tube 110 is for stretching into oil drum
In 210, for the other end for connecting petroleum pipeline 230, oil suction disk 130 is removably attachable to one that oil pick-up tube 110 stretches into oil drum 210
It holds and is connected to oil pick-up tube 110.Oil suction disk 130 includes connector 131 and oil absorption head 133, and connector 131 is removably set in
In oil pick-up tube 110, oil absorption head 133 is fixedly connected on connector 131 and has oil suction inner cavity, and oil suction inner cavity connects with oil pick-up tube 110
It is logical, be spaced apart on the peripheral surface of oil absorption head 133 and be equipped with multiple first oil-sucking holes 135, each first oil-sucking hole 135 in oil suction
Chamber is connected to.Oil well pump is connect with petroleum pipeline 230, and petroleum pipeline 230 is connect with oil pick-up tube 110, and oil pick-up tube 110 stretches into oil drum 210
And with the connection for the oil suction disk 130 for being accommodated in 210 bottom of oil drum.
In the present embodiment, petroleum pipeline 230 is PVC wired hoses, and carries out buried processing.Certainly, petroleum pipeline 230 herein
Hose of other materials, such as PE or PVC etc. may be used, be not specifically limited herein.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of oil drum oil suction structure, for stretching into oil suction in oil drum, which is characterized in that the oil drum oil suction structure includes oil pumping
Pipe and oil suction disk, one end of the oil pick-up tube is for stretching into the oil drum, and the other end is for connecting petroleum pipeline, the oil suction disk
The oil pick-up tube is removably attachable to stretch into one end of the oil drum and be connected to the oil pick-up tube；
The oil suction disk includes connector and oil absorption head, and the connector is removably set in the oil pick-up tube, the suction
Oil head is fixedly connected on the connector and there is oil suction inner cavity, the oil suction inner cavity to be connected to the oil pick-up tube, the oil suction
It is spaced apart on the peripheral surface of head and is equipped with multiple first oil-sucking holes, each first oil-sucking hole is connected to the oil suction inner cavity.
2. oil drum oil suction structure according to claim 1, which is characterized in that connection through-hole is offered on the connector,
There is the inner peripheral surface of the connection through-hole internal thread, one end that the oil pick-up tube stretches into the oil drum to have external screw thread, the company
Connector is threadedly coupled with the oil pick-up tube.
3. oil drum oil suction structure according to claim 1 or 2, which is characterized in that the connector is far from the oil absorption head
One end have connection reinforcement ring, the connection reinforcement ring set is located in the oil pick-up tube, for reinforcing the connector and institute
State the bonding strength between oil pick-up tube.
4. oil drum oil suction structure according to claim 1, which is characterized in that first oil-sucking hole is four, four institutes
State the peripheral surface that the first oil-sucking hole is evenly distributed on the oil absorption head, and the opening direction phase of two neighboring first oil-sucking hole
It is mutually vertical.
5. oil drum oil suction structure according to claim 1, which is characterized in that the bottom of the oil absorption head offers the second suction
Oilhole, the opening direction of second oil-sucking hole and the opening direction of first oil-sucking hole are perpendicular, and second oil suction
Hole is connected to the oil suction inner cavity.
6. oil drum oil suction structure according to claim 5, which is characterized in that the diameter of second oil-sucking hole and described the
The diameter of one oil-sucking hole is identical.
7. oil drum oil suction structure according to claim 1, which is characterized in that the oil drum oil suction structure further includes that bung is close
Seal structure, the bung sealing structure is set in the oil pick-up tube close to one end of the petroleum pipeline, and bung sealing is tied
Structure is used to be connected to the top of the oil drum.
8. oil drum oil suction structure according to claim 7, which is characterized in that the bung sealing structure includes coaxial arrangement
Seal sleeve and branch sleeve, the seal sleeve is set in the oil pick-up tube, and the branch sleeve is fixedly connected on institute
State seal sleeve and the top for being removably attachable to the oil drum.
9. a kind of barreled oil filling device, which is characterized in that including oil well pump, oil drum, petroleum pipeline and such as claim
1-8 any one of them oil drum oil suction structures, the oil well pump are connect with the petroleum pipeline, the petroleum pipeline and the oil pick-up tube
Connection, the oil pick-up tube stretch into the oil drum and with the connection for the oil suction disk for being accommodated in the oil drum bottom.
10. barreled oil filling device according to claim 9, which is characterized in that the petroleum pipeline is that PVC steel wires are soft
Pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820417883.XU CN207962064U (en) | 2018-03-26 | 2018-03-26 | A kind of oil drum oil suction structure and barreled oil filling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820417883.XU CN207962064U (en) | 2018-03-26 | 2018-03-26 | A kind of oil drum oil suction structure and barreled oil filling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207962064U true CN207962064U (en) | 2018-10-12 |
Family
ID=63725463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820417883.XU Expired - Fee Related CN207962064U (en) | 2018-03-26 | 2018-03-26 | A kind of oil drum oil suction structure and barreled oil filling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207962064U (en) |
-
2018
- 2018-03-26 CN CN201820417883.XU patent/CN207962064U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |