CN219692885U - Automatic open-close and oil filling quantity adjustable filling gun - Google Patents
Automatic open-close and oil filling quantity adjustable filling gun Download PDFInfo
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- CN219692885U CN219692885U CN202320168715.2U CN202320168715U CN219692885U CN 219692885 U CN219692885 U CN 219692885U CN 202320168715 U CN202320168715 U CN 202320168715U CN 219692885 U CN219692885 U CN 219692885U
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- movable rod
- filling
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- 230000000903 blocking effect Effects 0.000 claims abstract description 5
- 239000000872 buffer Substances 0.000 claims description 22
- 239000000428 dust Substances 0.000 claims description 7
- 239000000446 fuel Substances 0.000 claims 7
- 230000001050 lubricating effect Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 239000007921 spray Substances 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 77
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
Automatic switching, oil filling quantity adjustable filling rifle, oiling subassembly include oiling subassembly (6), its characterized in that: the oiling assembly (6) comprises a supporting cylinder body (6-4), a movable rod (6-3) with an L-shaped internal oil way (6-3-1) formed in the head and the front end of the supporting cylinder body (6-4) and the head extending out of the supporting cylinder body (6-4) is arranged at the tail part of the supporting cylinder body (6-4), and a nozzle tip (6-1) connected with the oil way is arranged at the head part of the movable rod (6-3). The utility model uses the two-position two-way electromagnetic valve to control the on-off of the oil way, and has the advantages of quick switch, simple system and sensitive reaction; remote adjustment can be realized, and the mechanical field control mode is not limited; the attached state of the oil nozzle is detected, and the waste phenomenon that the filling gun is not contacted with the oil filling port and continuously sprays oil due to action blocking or gas source outage and the like can be avoided. The utility model can realize regular and quantitative feeding into the oil filling port uniformly, saves oil and has good lubricating effect.
Description
Technical Field
The utility model relates to lubricating oil injection equipment in the field of machinery, in particular to an automatic opening and closing type filling gun with adjustable oil injection quantity.
Background
In order to make the transportation chain work better in the running process of the transportation chain, the chain sprocket and the connecting plate are lubricated regularly. At present, a relatively common lubricating device for a transportation chain is an on-line automatic oiling device. The on-line automatic oiling device supplies quantitative lubricating oil to chain wheels of a conveying chain in sequence. The on-line automatic oiling device mainly comprises an oiling gun, a synchronous following mechanism and a driving mechanism. The most critical component is the oil gun, which needs to react accurately and rapidly to inject lubricating oil into the pin shaft of the chain. The prior oil gun used on site has a complex structure, the internal oil way 6-3-1 is more bent, and once impurities enter, the oil gun is easy to block. And the operating condition is relatively poor in the transportation chain operation process, and each time refuels and all need striking the reversing lever of oil feeding distributor for the distributor that has of nozzle suffers the striking, appears the oil leak easily and can't normally mend oily phenomenon, and the oiling effect is not good, seriously influences the operation rhythm of transportation chain, need driving to hang the coil of strip to the finished product storehouse when serious.
Disclosure of Invention
In order to solve the above problems, the present utility model provides an automatic opening and closing filling gun with adjustable filling amount, comprising an oiling assembly 6, characterized in that: the oiling component 6 comprises a supporting cylinder 6-4, a movable rod 6-3, a nozzle 6-1, a top cover 6-5, a buffer spring 6-8, a magnetic ring 6-9 and a proximity switch 6-10, wherein the tail of the movable rod 6-3 is arranged in the supporting cylinder 6-4, the head of the movable rod extends out of the front end of the supporting cylinder 6-4, an L-shaped internal oil circuit 6-3-1 is formed in the head of the movable rod 6-3, the nozzle 6-1 is arranged at the head of the movable rod 6-3 and connected with the oil circuit, the buffer spring 6-8 is arranged between the top cover 6-5 and the movable rod 6-3, and the proximity switch 6-10 is arranged at the tail of the top cover 6-5.
Therefore, when the oil is filled, after the oil nozzle 6-1 is in contact with a part to be filled, the moving rod 6-3 stops moving, the supporting cylinder 6-4 and the top cover 6-5 continue moving, the buffer spring 6-8 is compressed, the magnetic ring 6-9 approaches the proximity switch 6-10, and the proximity switch 6-10 can send out a control signal.
The utility model relates to an automatic opening and closing filling gun with adjustable filling quantity, which is characterized in that: the filling gun with the automatic opening and closing and adjustable oil filling quantity further comprises an oil filling pipeline 10 connected with the internal oil way 6-3-1, a throttle valve 7, a two-way two-position electromagnetic valve 8 and an oil pump 9 which are sequentially arranged on the oil filling pipeline 10.
This allows control by a signal from the proximity switch 10.
The utility model relates to an automatic opening and closing filling gun with adjustable filling quantity, which is characterized in that: the automatic opening and closing and oil filling quantity adjustable filling gun further comprises a driving assembly capable of driving the oil filling assembly 6, wherein the driving assembly comprises a connecting piece 4 arranged on the rear side of the top cover 6-5 and rigidly connected with the top cover 6-5, an air cylinder 5 arranged on the rear side of the connecting piece 4 and the top of the air cylinder 5 connected with the connecting piece 4, and a cylindrical fixed support 1 arranged on the outer side of the supporting cylinder 6-4.
Thus, the cylinder 5 can be used to push and pull the top cover 6-5 through the connector 4 to drive the oiling assembly 6 to move in the cylinder of the fixed support 1.
The utility model relates to an automatic opening and closing filling gun with adjustable filling quantity, which is characterized in that: the tail of the movable rod 6-3 is provided with a protruding part with the diameter smaller than that of the body, the junction of the body of the movable rod 6-3 and the protruding part is provided with an annular surface capable of stopping the buffer spring 6-8, the buffer spring 6-8 is sleeved on the periphery of the protruding part of the movable rod 6-3, and one side, close to the movable rod 6-3, of the top cover 6-5 is provided with a cylindrical cavity 6-5-1 capable of accommodating the buffer spring 6-8 and the protruding part of the movable rod 6-3.
Thus, the movable rod 6-3, the buffer spring 6-8 and the top cover 6-5 can be matched more stably.
The utility model relates to an automatic opening and closing filling gun with adjustable filling quantity, which is characterized in that: the end face of the tail part of the moving rod 6-3 is provided with a slotted hole 6-3-2 penetrating through the moving rod 6-3, a stop pin 6-7 is arranged in the slotted hole 6-3-2, two ends of the stop pin 6-7 are fixedly connected to the side wall of the supporting cylinder 6-4, and the moving rod 6-3 can axially slide in the slotted hole 6-3-2 relative to the moving rod 6-3 and axially limit the moving rod 6-3 according to the depth of the slotted hole 6-3-2.
Thereby, the movable rod 6-3 can be positioned at the time of refueling, and the bottom is prevented from collision.
The utility model relates to an automatic opening and closing filling gun with adjustable filling quantity, which is characterized in that: the inner side wall of the tail part of the fixed support 1 is provided with a cavity surrounding the supporting cylinder body 6-4, a reset spring 3 is arranged in the cavity, and the tail end of the supporting cylinder body 6-4 is provided with a stop ring protruding out of the periphery and capable of stopping the reset spring 3.
Thus, when the cylinder 5 pushes the oil filling assembly 6, the return spring 3 buffers the oil, and after the oil filling is completed, the return spring 3 rebounds to return the oil filling assembly 6.
The utility model relates to an automatic opening and closing filling gun with adjustable filling quantity, which is characterized in that: the oiling assembly 6 further comprises an elastic dust cover arranged between the head of the movable rod 6-3 and the front end of the supporting cylinder 6-4.
Thereby, dust can be prevented from entering the support cylinder 6-4, while the dust cover can restrict the movable range of the movable rod 6-3.
The utility model relates to an automatic opening and closing filling gun with adjustable filling quantity, which is characterized in that: the oiling component 6 also comprises positioning pins 6-6 which are arranged at the front end of the supporting cylinder 6-4, radially penetrate through the side wall of the supporting cylinder 6-4 and position the moving rod 6-3, and the number of the positioning pins 6-6 is 3-4 in the same plane.
Thereby, the movable rod 6-3 can be kept stably positioned at the center of the supporting cylinder.
The utility model relates to an automatic opening and closing filling gun with adjustable filling quantity, which is characterized in that: the oil injection assembly 6 further comprises a one-way valve 6-2 arranged on the internal oil path 6-3-1.
Thus, the oil passage is ensured not to be invaded by foreign matter.
The utility model relates to an automatic opening and closing filling gun with adjustable filling quantity, which is characterized in that: a bushing 2 is arranged between the fixed support 1 and the supporting cylinder 6-4, and the bushing 2 is in interference fit with the fixed support 1.
Thereby, the supporting cylinder 6-4 can be protected and abrasion can be reduced.
The utility model uses the two-position two-way electromagnetic valve to control the on-off of the oil way, and has the advantages of quick switch, simple system and sensitive reaction; the throttle valve is utilized, and the energizing time of the two-position two-way electromagnetic valve coil is set to control the oil filling amount, so that the oil filling amount is convenient, remote adjustment can be realized, and the oil filling amount is not limited by a mechanical field control mode; the attached state of the oil nozzle is detected, and the waste phenomenon that the filling gun is not contacted with the oil filling port and continuously sprays oil due to action blocking or gas source outage and the like can be avoided. The oiling device has the advantages of simple structure, strong independence, low cost and convenient maintenance, can realize regular and quantitative feeding into the oil filling port uniformly, saves oil and has good lubricating effect.
Drawings
FIG. 1 is a schematic diagram of a filling gun with an automatically opened and closed and adjustable filling amount.
1 is a fixed support, 2 is a bushing, 3 is a reset spring, 4 is a connecting component, 5 is a cylinder, 6 is an oiling component, 7 is a throttle valve, 8 is a two-position two-way electromagnetic valve, 9 is an oil pump, 10 is an oiling pipeline, 6-1 is an oil nozzle, 6-2 is a one-way valve, 6-3 is a movable rod, 6-3-1 is an internal oil way, 6-3-2 is a slotted hole, 6-4 is a supporting cylinder, 6-5 is a top cover, 6-6 is a locating pin, 6-7 is a stop pin, 6-8 is a buffer spring, 6-9 is a magnetic ring, 6-10 is a proximity switch, and 6-11 is a dust cover.
Detailed Description
Example 1
The utility model provides an automatic switching, filling rifle of oil filling volume adjustable, includes oiling subassembly 6, drive assembly, and oiling subassembly 6 includes support barrel 6-4, movable rod 6-3, glib talker 6-1, top cap 6-5, buffer spring 6-8, proximity switch 6-10. The movable rod 6-3 is sleeved in the supporting cylinder 6-4, the tail is arranged in the supporting cylinder 6-4, the head extends out of the front end of the supporting cylinder 6-4, and an internal oil way 6-3-1 is formed in the head. The oil nozzle 6-1 is arranged at the head of the movable rod 6-3 and is connected with the internal oil circuit 6-3-1. The top cover 6-5 is arranged at the rear end of the supporting cylinder 6-4 and is used for plugging the cylinder. The tail of the movable rod 6-3 is provided with a protruding part with the diameter smaller than that of the body, the junction of the body of the movable rod 6-3 and the protruding part is provided with an annular surface capable of stopping the buffer spring 6-8, the buffer spring 6-8 is sleeved on the circumference side of the protruding part of the movable rod 6-3, and one side of the top cover 6-5, close to the movable rod 6-3, is provided with a cylindrical cavity 6-5-1 capable of accommodating the buffer spring 6-8 and the protruding part of the movable rod 6-3. The tail part of the movable rod 6-3 is provided with a magnetic ring 6-9, and the tail part of the top cover 6-5 is provided with a proximity switch 6-10.
The rear side of the top cover 6-5 is provided with a connecting piece 4 which is rigidly connected with the top cover 6-5, the connecting piece 4 is provided with a cylinder 5, and the top of the cylinder 5 is connected with the cylinder 5 of the connecting piece 4. The outside of the supporting cylinder 6-4 is provided with a cylindrical fixed support 1.
The tail of the movable rod 6-3 is provided with a protruding part with the diameter smaller than that of the body, the junction of the body of the movable rod 6-3 and the protruding part is provided with an annular surface capable of stopping the buffer spring 6-8, the buffer spring 6-8 is sleeved on the periphery of the protruding part of the movable rod 6-3, and one side, close to the movable rod 6-3, of the top cover 6-5 is provided with a cylindrical cavity capable of accommodating the buffer spring 6-8 and the protruding part of the movable rod 6-3.
The end face of the tail part of the movable rod 6-3 is provided with a slotted hole 6-3-2, a stop pin 6-7 is arranged in the slotted hole 6-3-2, two ends of the stop pin 6-7 are fixedly connected to the side wall of the supporting cylinder body 6-4, and the movable rod 6-3 can axially slide in the slotted hole 6-3-2 and axially limit the movable rod 6-3 according to the depth of the slotted hole 6-3-2.
The inner side wall of the tail part of the fixed support 1 is provided with a cavity surrounding the supporting cylinder body 6-4, a reset spring 3 is arranged in the cavity, and the tail end of the supporting cylinder body 6-4 is provided with a stop ring protruding out of the periphery and capable of stopping the reset spring 3.
An elastic dust cover is arranged between the head of the movable rod 6-3 and the front end of the supporting cylinder 6-4.
The front end of the supporting cylinder 6-4 is provided with 4 positioning pins 6-6, and the positioning pins 6-6 radially penetrate through the side wall of the supporting cylinder 6-4 to center the moving rod 6-3.
The internal oil way 6-3-1 is L-shaped, and the one-way valve 6-2 is arranged on the internal oil way 6-3-1. The internal oil way 6-3-1 is connected with an oil adding pipeline 10, and a throttle valve 7, a two-way two-position electromagnetic valve 8 and an oil pump 9 are sequentially arranged on the oil adding pipeline 10.
The fixed support 1 is used for determining the installation position of the filling gun and has guiding and supporting functions for the axial movement of the filling gun, so that the oil nozzle 6-1 can correspond to the oil filling vertical position of the equipment to be lubricated. The bushing 2 is arranged in a filling gun mounting hole of the fixed support, is in interference fit with the filling gun mounting hole, and is used for supporting the cylinder 6-4 and protecting abrasion. And the sleeve 2 is externally provided with a return spring 3 for resetting and buffering the oiling assembly 6. The tail end of the oiling component 6 is connected with a piston rod of the cylinder by the connecting component 4. The one-way valve 6-2 is arranged at the position of the oil nozzle 6-1 in the oil injection assembly to prevent the inside of the oil gun from being polluted by foreign matters and to block the pipeline. The front end of the moving rod 6-3 is provided with an L-shaped internal passage, one end of the moving rod is controlled to open and close by a one-way valve, and the other end of the moving rod is connected with the oil filler. Simultaneously, positioning pins 6-6 (generally made of nylon) are arranged in four holes uniformly distributed in the circumferential direction at the front end of the supporting cylinder, and the outer side of the positioning pins is fixed by a hoop of the dust cover to prevent the positioning pins from escaping outwards; the inner side is contacted with the movable rod 6-3, the movable rod 6-3 is fixed in the supporting cylinder 6-4, and the stable movement and the fixed position of the movable rod 6-3 are ensured. The locating pin 6-6 is used for locating the movable rod 6-3 on the one hand, and meanwhile, a space is reserved for radial movement of the movable rod 6-3 (a certain elasticity is reserved for the dustproof sleeve), so that fine adjustment of the position between the nozzle tip 6-1 and a part to be refueled is facilitated during refueled operation. Meanwhile, the tail of the moving rod 6-3 is provided with a slotted hole 6-3-2, a stop pin 6-7 which is arranged in a 180-degree axial hole at the tail of the supporting sleeve 6-4 penetrates through the slotted hole 6-3-2, at the moment, the moving rod 6-3 can move back and forth in the supporting sleeve 6-4, and the axial movement distance is limited by the blocking distance of the slotted hole 6-3-2. The buffer spring 6-8 is arranged between the top cover 6-5 and the movable rod 6-3, and is used for relieving the impact between the nozzle 6-1 and the equipment to be refueled when in contact, and has a reset function on the movable rod 6-3 after the refueled assembly 6 is retracted, so that the movable rod 6-3 extends out and is positioned by the stop pin 6-7. The magnetic ring 6-9 is embedded on the end face of the movable rod 6-3, and the proximity switch 6-10 is arranged on the outer end face of the top cover 6-5 to detect the position of the movable rod 6-3. When the movable rod 6-3 is pushed by the air cylinder 5, the oil nozzle 6-1 moves towards the top cover 6-5 when contacting the oil filling equipment, and when the magnetic ring 6-9 approaches the proximity switch 6-10, a signal is sent to the PLC control box for opening the two-position two-way electromagnetic valve.
One end of the oil adding pipeline 10 is connected with an oil adding port in the oil adding assembly 6, a throttle valve 7 and a two-position two-way electromagnetic valve 8 are additionally arranged on the oil adding pipeline, the throttle valve 7 is used for adjusting the flow of lubricating oil, the two-position two-way electromagnetic valve 8 is used for controlling the on-off of the oil adding pipeline 10, and the other end of the pipeline is directly connected with an oil source.
When a fueling command is provided from the outside, the electromagnetic valve of the air cylinder 5 is powered on, and the piston rod stretches out to drive the fueling gun to fast forward to a specified stroke (the stroke set value is required to be slightly larger than the actual distance between the fueling nozzle and the equipment to be fueling). Because the set travel is larger than the actual distance, after the nozzle is contacted with the equipment to be refueled, the moving rod 6-3 does not advance any more, the supporting cylinder 6-4 continues to advance, at the moment, the buffer spring 3 is compressed, the distance between the magnetic ring 6-9 and the proximity switch 6-10 is reduced, the proximity switch 6-10 is powered on, and a signal is output to the PLC control unit; the control unit immediately gives an instruction, the coil of the two-position two-way electromagnetic valve 8 is electrified, the oil way is opened, and oil enters the oil nozzle and is sprayed into the part to be lubricated. The oil filling amount of each time is controlled by controlling the power-on time of the coil of the two-position two-way electromagnetic valve 8, and after the preset time is reached, the coil of the two-position two-way electromagnetic valve 8 is powered off, an oil way is closed, and the oil filling is completed. After a set time t2 (e.g. 0.2S), the solenoid valve of the air cylinder is de-energized to drive the refueling assembly 6 to return to the original position, so as to finish a refueling process.
The utility model uses the two-position two-way electromagnetic valve to control the on-off of the oil way, and has the advantages of quick switch, simple system and sensitive reaction; the throttle valve is utilized, and the energizing time of the two-position two-way electromagnetic valve coil is set to control the oil filling amount, so that the oil filling amount is convenient, remote adjustment can be realized, and the oil filling amount is not limited by a mechanical field control mode; the attached state of the oil nozzle is detected, and the waste phenomenon that the filling gun is not contacted with the oil filling port and continuously sprays oil due to action blocking or gas source outage and the like can be avoided. The oiling device has the advantages of simple structure, strong independence, low cost and convenient maintenance, can realize regular and quantitative feeding into the oil filling port uniformly, saves oil and has good lubricating effect.
Claims (10)
1. The utility model provides an automatic switching, oil filling quantity adjustable filling rifle, includes oiling subassembly (6), its characterized in that: the oiling assembly (6) comprises a supporting cylinder body (6-4), a moving rod (6-3) with an L-shaped internal oil way (6-3-1) formed in the head, a nozzle (6-1) connected with the oil way, a top cover (6-5) arranged at the rear end of the supporting cylinder body (6-4) and used for blocking the cylinder body, a buffer spring (6-8) arranged between the top cover (6-5) and the moving rod (6-3), a magnetic ring (6-9) arranged at the tail of the moving rod (6-3) and a proximity switch (6-10) arranged at the tail of the top cover (6-5), wherein the tail is arranged in the supporting cylinder body (6-4), and the head extends out of the front end of the supporting cylinder body (6-4).
2. The automatic on-off and adjustable fuel filling gun according to claim 1, wherein: the filling gun with the automatic opening and closing and adjustable oil filling quantity further comprises an oil filling pipeline (10) connected with the internal oil way (6-3-1), a throttle valve (7), a two-way two-position electromagnetic valve (8) and an oil pump (9) which are sequentially arranged on the oil filling pipeline (10).
3. The automatic on-off and adjustable fuel filling gun according to claim 1, wherein: the automatic oil filling gun with the adjustable oil filling quantity comprises a driving assembly capable of driving an oil filling assembly (6), wherein the driving assembly comprises a connecting piece (4) arranged on the rear side of a top cover (6-5) and rigidly connected with the top cover (6-5), an air cylinder (5) arranged on the rear side of the connecting piece (4) and connected with the connecting piece (4) at the top, and a cylindrical fixed support (1) arranged on the outer side of a supporting cylinder body (6-4).
4. The automatic on-off and adjustable fuel filling gun according to claim 1, wherein: the tail of the movable rod (6-3) is provided with a protruding part with the diameter smaller than that of the body, the junction of the movable rod (6-3) body and the protruding part is provided with an annular surface capable of stopping the buffer spring (6-8), the buffer spring (6-8) is sleeved on the periphery of the protruding part of the movable rod (6-3), and one side, close to the movable rod (6-3), of the top cover (6-5) is provided with a cylindrical cavity capable of accommodating the buffer spring (6-8) and the protruding part of the movable rod (6-3).
5. The automatic on-off and adjustable fuel filling gun according to claim 1, wherein: the end face of the tail part of the movable rod (6-3) is provided with a slotted hole (6-3-2), a stop pin (6-7) is arranged in the slotted hole (6-3-2), two ends of the stop pin (6-7) are fixedly connected to the side wall of the supporting cylinder body (6-4), and the movable rod (6-3) can axially slide in the slotted hole (6-3-2) and axially limit the movable rod (6-3) according to the depth of the slotted hole (6-3-2).
6. A filling gun with automatically opening and closing and adjustable filling amount according to claim 3, characterized in that: the inner side wall of the tail part of the fixed support (1) is provided with a cavity surrounding the supporting cylinder body (6-4), a reset spring (3) is arranged in the cavity, and the tail end of the supporting cylinder body (6-4) is provided with a stop ring protruding out of the periphery and capable of stopping the reset spring (3).
7. The automatic on-off and adjustable fuel filling gun according to claim 1, wherein: the oiling component (6) further comprises an elastic dust cover arranged between the head of the movable rod (6-3) and the front end of the supporting cylinder body (6-4).
8. The automatic on-off and adjustable fuel filling gun according to claim 1, wherein: the oiling assembly (6) further comprises positioning pins (6-6) which are arranged at the front end of the supporting cylinder body (6-4), radially penetrate through the side wall of the supporting cylinder body (6-4) and position the moving rod (6-3), and the number of the positioning pins (6-6) is 3-4 in the same plane.
9. The automatic on-off and adjustable fuel filling gun according to claim 1, wherein: the oiling component (6) further comprises a one-way valve (6-2) arranged on the internal oil way (6-3-1).
10. A filling gun with automatically opening and closing and adjustable filling amount according to claim 3, characterized in that: a bushing (2) is arranged between the fixed support (1) and the supporting cylinder body (6-4), and the bushing (2) is in interference fit with the fixed support (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320168715.2U CN219692885U (en) | 2023-02-09 | 2023-02-09 | Automatic open-close and oil filling quantity adjustable filling gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320168715.2U CN219692885U (en) | 2023-02-09 | 2023-02-09 | Automatic open-close and oil filling quantity adjustable filling gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219692885U true CN219692885U (en) | 2023-09-15 |
Family
ID=87944587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320168715.2U Active CN219692885U (en) | 2023-02-09 | 2023-02-09 | Automatic open-close and oil filling quantity adjustable filling gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219692885U (en) |
-
2023
- 2023-02-09 CN CN202320168715.2U patent/CN219692885U/en active Active
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