CN210050024U - Novel screw pump convenient to oiling - Google Patents
Novel screw pump convenient to oiling Download PDFInfo
- Publication number
- CN210050024U CN210050024U CN201920638734.0U CN201920638734U CN210050024U CN 210050024 U CN210050024 U CN 210050024U CN 201920638734 U CN201920638734 U CN 201920638734U CN 210050024 U CN210050024 U CN 210050024U
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- oil
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- transmission shaft
- oiling
- bearing
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- 230000005540 biological transmission Effects 0.000 claims abstract description 34
- 238000002347 injection Methods 0.000 claims abstract description 20
- 239000007924 injection Substances 0.000 claims abstract description 20
- 238000001125 extrusion Methods 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 230000009467 reduction Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 115
- 239000010687 lubricating oil Substances 0.000 abstract description 12
- 238000005507 spraying Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 238000013021 overheating Methods 0.000 abstract description 4
- 238000007689 inspection Methods 0.000 abstract description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 9
- 229920006351 engineering plastic Polymers 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 239000002585 base Substances 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 4
- 230000032258 transport Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
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- 229910045601 alloy Inorganic materials 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
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- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 206010066054 Dysmorphism Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
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- 238000011089 mechanical engineering Methods 0.000 description 1
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- 239000002904 solvent Substances 0.000 description 1
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Abstract
The utility model discloses a novel screw pump convenient for oil injection, which structurally comprises a base, a pump body, a discharge port, a suction inlet, a speed reducing motor, a motor switch, an external power cord, a stator, a rotor, a first universal joint, a middle shaft, a second universal joint, a shaft sealing piece, a bearing, a transmission shaft and an oil injection device, by arranging the oil filling device, the problems of overheating and damage of the transmission shaft caused by inconvenient and timely addition of lubricating oil are solved, oil is filled into the oil cylinder through the oil filling port, the oil quantity can be checked through the inspection window, the oil in the oil cylinder enters the cylinder body through the oil inlet and is accumulated in the oil collecting cylinder, then the extrusion rod is pressed downwards, the oil in the oil collecting cylinder is extruded into the oil outlet pipe by the piston, so that the oil enters the oil spraying pipe, and the oil is sprayed to the transmission shaft and the bearing by the oil spraying pipe, so that the beneficial effects of quickly adding lubricating oil to the bearing and the transmission shaft and avoiding overheating are achieved.
Description
Technical Field
The utility model relates to a screw pump technical field, concretely relates to novel screw pump of being convenient for oiling.
Background
A screw pump, also called 'screw water raiser' or 'Archimedes screw pump', using the rotation of screw blade to make the water body spirally rise along the axial direction, comprising a shaft, screw blade and a shell, wherein the single screw pump is a single screw type transport pump, it produces the volume change in the suction cavity and the discharge cavity to transport the liquid by the mutual engagement of screw rod and bush, and need to drip lubricating oil to lubricate the rotating shaft in the using process, along with the rapid development of mechanical engineering, the novel screw pump has also obtained the technical improvement, but prior art, inconvenient adding lubricating oil in time, lead to the transmission shaft to be overheated, damage.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the defects of the prior art, the novel screw pump convenient for oil injection is provided, the problems that lubricating oil is inconvenient to add in time, a transmission shaft is overheated and damaged are solved, and the beneficial effects that lubricating oil is added to a bearing and the transmission shaft quickly and overheating is avoided are achieved.
(II) technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides a novel screw pump convenient for oil injection, which comprises a base, a pump body, a discharge port, a suction inlet, a speed reducing motor, a motor switch, an external power line, a stator, a rotor, a first universal joint, a middle shaft, a second universal joint, a shaft seal part, a bearing, a transmission shaft and an oil injection device, wherein the left side and the right side of the top end of the base are connected with the left side and the right side of the bottom end of the pump body through bolts, the discharge port is arranged at the left end of the pump body, the suction inlet is arranged at the right side of the top end of the pump body, the left end of the speed reducing motor is connected with the right end of the pump body, the motor switch is arranged at the front end of the speed reducing motor, the upper end of the external power line is arranged at the lower end of the motor switch, the outer side of the stator is welded with the left end, the right end of the first universal joint is connected with the left end of the middle shaft through a bolt, the left end of the second universal joint is connected with the right end of the middle shaft through a bolt, the outer side of the shaft seal part is connected with the right end of the inner side of the pump body through a bolt, the outer side of the bearing is connected with the right end of the inner side of the pump body through a bolt, the bearing is arranged at the right end of the shaft seal part, the left end of the transmission shaft is connected with the right end of the second universal joint through a bolt, the right end of the transmission shaft vertically penetrates through the inner side of the shaft seal part and the inner side of the bearing, the right end of the transmission shaft is rotatably connected with the middle part of the left end of the speed reducing motor, the oil injection device is arranged at the right side of the top end of the pump body and consists of an oil cylinder, an oil filling port is arranged at the left side of the, the upper end and the lower end of the outer side of the inner cylinder are welded with the upper end and the lower end of the inner side of the oil cylinder, the lower end of the extrusion rod is arranged in the inner cylinder, the top end of the piston is connected with the bottom end of the extrusion rod in a buckling manner, the top end of the threaded cylinder is welded with the bottom end of the oil cylinder, the outer side of the threaded cylinder is connected with a screw hole on the right side of the top end of the pump body in a threaded manner, the upper end of the oil injection pipe is inserted into the bottom end of the inner cylinder, the inner cylinder consists of a cylinder body, a top cover, a sealing ring, an oil inlet, an oil collection cylinder and an oil outlet pipe, the upper end and the lower end of the outer side of the cylinder body are welded with the upper end and the lower end of the inner side of the cylinder body, the sealing ring is arranged between the top end, the oil spraying pipe is connected with the lower end of the oil outlet pipe in an inserting mode, the speed reduction motor and the motor switch are both electrically connected with an external power line, and the speed reduction motor is electrically connected with the motor switch.
Furthermore, the rotor is in a spiral strip shape, and the top end of the rotor is attached to the top end of the inner side of the stator.
Further, the stator is an inside wavy channel, and occupies two fifths of the length of the pump body.
Further, the oil cylinder is integrally cylindrical, and the inner volume of the oil cylinder is 250 ml.
Furthermore, the cross section of the extrusion rod is in a cross shape, and the length of the extrusion rod is larger than that of the cylinder body.
Furthermore, two oil inlets are arranged, are rectangular in shape and occupy one third of the length of the barrel.
Furthermore, the oil outlet pipe is L-shaped, and the outlet at the lower end faces to the joint of the bearing and the transmission shaft.
Furthermore, the model of the speed reducing motor is GV32-200 and 210-1800 SB.
Furthermore, the oil cylinder is made of ABS engineering plastics.
(III) advantageous effects
Compared with the prior art, the utility model, following beneficial effect has:
1) for solving inconvenient timely additional lubrication oil, lead to the transmission shaft overheated, the problem of damage, through having set up oiling device, inconvenient timely additional lubrication oil has been solved, lead to the transmission shaft overheated, the problem of damage, refuel toward the oil drum in through the oil filler hole, the oil mass is looked over to the accessible inspection window, oil in the oil drum enters into in the barrel through the oil inlet, and pile up in the oil drum, then push down the stripper bar, extrude into oil pipe by the piston with the oil in the oil drum, thereby enter into and spout the oil pipe, spout oil to transmission shaft and bearing by spouting the oil pipe and reach and add lubricating oil for bearing and transmission shaft fast, avoid overheated beneficial effect.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the pump body of the present invention;
FIG. 3 is a schematic structural view of the oil injection device of the present invention;
fig. 4 is a schematic view of the internal structure of the oil injection device of the present invention;
fig. 5 is a schematic view of the inner tube structure of the present invention.
In the figure: the oil injection device comprises a base-1, a pump body-2, a discharge port-3, an air suction port-4, a speed reduction motor-5, a motor switch-6, an external power cord-7, a stator-8, a rotor-9, a first universal joint-10, an intermediate shaft-11, a second universal joint-12, a shaft seal-13, a bearing-14, a transmission shaft-15, an oil injection device-16, an oil cylinder-161, an oil filling port-162, an oil port cover-163, a viewing window-164, an inner cylinder-165, a squeezing rod-166, a piston-167, a threaded cylinder-168, an oil injection pipe-169, a cylinder body-1651, a top cover-1652, a sealing ring-1653, an oil inlet-1654, an oil collecting cylinder-1655 and an oil outlet pipe-1656.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1, 2, 3, 4 and 5, the present invention provides a novel screw pump convenient for oil injection: comprises a base 1, a pump body 2, a discharge port 3, a suction port 4, a speed reducing motor 5, a motor switch 6, an external power line 7, a stator 8, a rotor 9, a first universal joint 10, an intermediate shaft 11, a second universal joint 12, a shaft seal part 13, a bearing 14, a transmission shaft 15 and an oiling device 16, wherein the left side and the right side of the top end of the base 1 are in bolt connection with the left side and the right side of the bottom end of the pump body 2, the discharge port 3 is arranged at the left end of the pump body 2, the suction port 4 is arranged at the right side of the top end of the pump body 2, the left end of the speed reducing motor 5 is connected with the right end of the pump body 2, the motor switch 6 is arranged at the front end of the speed reducing motor 5, the upper end of the external power line 7 is arranged at the lower end of the motor switch 6, the outer side of the stator 8 is welded with the left end of the inner side of the pump body 2, the rotor, the left end of a second universal joint 12 is connected with the right end of an intermediate shaft 11 through a bolt, the outer side of a shaft seal part 13 is connected with the right end of the inner side of a pump body 2 through a bolt, the outer side of a bearing 14 is connected with the right end of the inner side of the pump body 2 through a bolt, the bearing 14 is arranged at the right end of the shaft seal part 13, the left end of a transmission shaft 15 is connected with the right end of the inner side of the shaft seal part 12 through a bolt, the right end of the transmission shaft 15 vertically penetrates through the inner side of the shaft seal part 13 and the inner side of the bearing 14, the right end of the transmission shaft 15 is rotatably connected with the middle part of the left end of a speed reducing motor 5, an oil injection device 16 is arranged at the right side of the top end of the pump body 2, the oil injection device 16 is composed of an oil cylinder 161, an oil filling port 162, an oil port cover 163, a view detecting window 164, an inner cylinder 165, an extrusion rod 166, a piston, the lower end of an extrusion rod 166 is arranged in an inner cylinder 165, the top end of a piston 167 is connected with the bottom end of the extrusion rod 166 in a buckling mode, the top end of a threaded cylinder 168 is welded with the bottom end of an oil cylinder 161, the outer side of the threaded cylinder 168 is connected with a threaded hole in the right side of the top end of a pump body 2 in a threaded mode, the upper end of an oil spraying pipe 169 is connected with the bottom end of the inner cylinder 165 in an inserting mode, the inner cylinder 165 is composed of a cylinder body 1651, a top cover 1652, a sealing ring 1653, an oil inlet 1654, an oil collecting cylinder 1655 and an oil outlet pipe 1656, the upper end and the lower end of the outer side of the cylinder 1651 are welded with the upper end and the lower end of the inner side of the cylinder body 1651, the inner side of the top cover 1652 is connected with the upper end and the upper end of the outer side of the inner side of the oil spraying pipe 1656 in a threaded mode, the upper end of the oil spraying pipe, the speed reducing motor 5 and the motor switch 6 are both electrically connected with the external power line 7, and the speed reducing motor 5 is electrically connected with the motor switch 6.
Wherein, rotor 9 is the strip of spiral, and the top laminates mutually with the inboard top of stator 8, can be effectual extrudees the pump body 2 with liquid and transports.
Wherein, stator 8 is an inboard wavy passageway, and stator 8 occupies pump body 2 two fifths of length, can effectual and rotor 9 cooperation, forms sealed chamber, produces pressure.
The oil cylinder 161 is cylindrical, and has an internal volume of 250ml, so that the lubricating oil can be conveniently stored and can be lubricated for multiple times.
The cross section of the extrusion rod 166 is cross-shaped, and the length of the extrusion rod 166 is larger than that of the cylinder 1651, so that the lubricating oil can be extruded conveniently and can be extruded out of the inner cylinder 165.
The oil inlets 1654 are two and rectangular in shape, and occupy one third of the length of the cylinder body 1651, so that oil in the oil cylinder 161 can enter the cylinder body 1651 conveniently, and can be squeezed by the squeezing rod 166 conveniently.
The oil outlet pipe 1656 is L-shaped, and an outlet at the lower end faces to the joint of the bearing 14 and the transmission shaft 15, so that oil injection lubrication can be effectively performed on the oil outlet pipe.
The type of the speed reducing motor 5 is GV 32-200-210-1800 SB, the operation is stable, the noise is low, and the heat dissipation is fast.
The oil cylinder 161 is made of ABS engineering plastics, and has good stability, electrical property, wear resistance, forming processing and machining.
The oil cylinder 161 of the present patent is made of ABS engineering plastic, i.e. PC + ABS (engineering plastic alloy), the Chinese name in chemical industry is plastic alloy which is named as PC + ABS because the material has the excellent heat resistance, weather resistance, size stability and impact resistance of PC resin and the excellent processing flowability of ABS resin, therefore, when the ABS engineering plastic is applied to products with thin walls and complex shapes, the ABS engineering plastic can keep the excellent performance and the formability of a material consisting of the plastic and an ester, has excellent comprehensive performance, excellent impact strength, good dimensional stability, electrical property, abrasion resistance, chemical resistance and dyeability, and better forming processing and machining processing, and the ABS resin is resistant to water, inorganic salts, alkali and acids, is insoluble in most alcohols and hydrocarbon solvents, and is easily soluble in aldehydes, ketones, esters and certain chlorinated hydrocarbons.
The working principle is as follows: firstly, the discharge port 3 and the suction port 4 are respectively connected with an external pipe through flanges, an external power line 7 is connected into a power supply, a speed reducing motor 5 is started through a motor switch 6, liquid enters the interior of the pump body 2 from the suction port 4, then flows into a space between a stator 8 and a rotor 9, a transmission shaft 15 is driven to rotate through the speed reducing motor 5, then the transmission shaft 15 drives an intermediate shaft 11 to rotate through a second universal joint 12, the intermediate shaft 11 drives the rotor 9 to rotate in the stator 8 through a first universal joint 10, the rotor 9 rotates around the axis of the rotor 9 on one hand, on the other hand, the rotor 9 rolls along the inner surface of the stator 8, a sealed cavity of the pump is formed, the liquid in the sealed cavity is pushed forward by a screw pitch in each rotation of the rotor 9, along with the continuous rotation of the rotor 9, the liquid is spirally pressed from one sealed cavity, after a period of use, lubricating oil is required to be added between the transmission shaft 15 and the bearing 14, the oil port cover 163 is opened, oil is filled into the oil cylinder 161 through the oil filling port 162, the oil amount can be checked through the detection window 164, oil in the oil cylinder 161 enters the cylinder body 1651 through the oil inlet 1654 and is accumulated in the oil collecting cylinder 1655, the extrusion rod 166 is pressed downwards to drive the piston 167 to move downwards, oil in the oil collecting cylinder 1655 is extruded into the oil outlet pipe 1656 through the piston 167 and enters the oil injection pipe 169, the oil injection pipe 169 injects oil to the transmission shaft 15 and the bearing 14 for lubrication, the problem that the transmission shaft is overheated and damaged due to the fact that lubricating oil is not conveniently added in time is solved through the oil filling device 16, the oil is filled into the oil cylinder 161 through the oil filling port 162, the oil amount can be checked through the detection window 164, the oil in the oil cylinder 161 enters the cylinder 1651 through the oil inlet 1654 and is accumulated in the oil collecting cylinder 1655, the squeezing rod 166 is then pressed downward, the oil in the oil collecting cylinder 1655 is squeezed into the oil outlet pipe 1656 by the piston 167, and then enters the oil spraying pipe 169, and the oil is sprayed to the transmission shaft 15 and the bearing 14 by the oil spraying pipe 169, so that the beneficial effects of quickly adding lubricating oil to the bearing and the transmission shaft and avoiding overheating are achieved.
The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a novel screw pump convenient to oiling, includes base (1), the pump body (2), discharge port (3), sunction inlet (4), gear motor (5), motor switch (6), external power supply line (7), stator (8), rotor (9), first universal joint (10), jackshaft (11), second universal joint (12), bearing seal spare (13), bearing (14) and transmission shaft (15), its characterized in that: the oiling device comprises a base (1), a pump body (2), a discharge port (3), a suction port (4), a speed reduction motor (5), a motor switch (6), an external power line (7), a stator (8), an intermediate shaft (11), an oil injection device (16), a discharge port (3), a motor switch (9), an external power line (7), a motor switch (6), a stator (8), a rotor (9), an intermediate shaft (11), a pump body (2) and an external power line (7), the left end of the second universal joint (12) is in bolted connection with the right end of the intermediate shaft (11), the outer side of the shaft seal part (13) is in bolted connection with the right end of the inner side of the pump body (2), the outer side of the bearing (14) is in bolted connection with the right end of the inner side of the pump body (2), the bearing (14) is arranged at the right end of the shaft seal part (13), the left end of the transmission shaft (15) is in bolted connection with the right end of the second universal joint (12), the right end of the transmission shaft (15) vertically penetrates through the inner side of the shaft seal part (13) and the inner side of the bearing (14), the right end of the transmission shaft (15) is in rotary connection with the middle part of the left end of the speed reducing motor (5), the oiling device (16) is arranged at the right side of the top end of the pump body (2), and the oiling device (16) is composed of an oil cylinder (161), an oil filling port (162), an oil port cover (163), a, the oil filling port (162) is arranged on the left side of the top end of the oil cylinder (161), the outer side of the lower end of the oil port cover (163) is in threaded connection with the inner side of the oil filling port (162), the detection window (164) is arranged on the right side of the front end of the oil cylinder (161), the upper end and the lower end of the outer side of the inner cylinder (165) are welded with the upper end and the lower end of the inner side of the oil cylinder (161), the lower end of the extrusion rod (166) is arranged inside the inner cylinder (165), the top end of the piston (167) is in buckled connection with the bottom end of the extrusion rod (166), the top end of the threaded cylinder (168) is welded with the bottom end of the oil cylinder (161), the outer side of the threaded cylinder (168) is in threaded connection with a screw hole on the right side of the top end of the pump body (2), the upper end of the oil injection pipe (169) is in inserted connection with the bottom end of the inner cylinder (165), and, the upper end and the lower end of the outer side of the barrel body (1651) are welded with the upper end and the lower end of the inner side of the oil barrel (161), the inner side of the top cover (1652) is in threaded connection with the upper end of the outer side of the barrel body (1651), the sealing ring (1653) is arranged between the top end of the barrel body (1651) and the top end of the inner portion of the top cover (1652), the oil inlet (1654) is arranged on the front side and the rear side of the lower end of the barrel body (1651), the top end of the oil collecting barrel (1655) is horizontally welded with the top end of the barrel body (1651), the oil collecting barrel (1655) is arranged at the lower end of the inner portion of the oil barrel (161), the top end of the oil outlet pipe (1656) is horizontally welded with the middle portion of the bottom end of the oil collecting barrel (1655), the upper end of the oil outlet pipe (169) is inserted into the lower end of the.
2. The novel screw pump convenient for oiling is described in claim 1, which is characterized in that: the rotor (9) is in a spiral strip shape, and the top end of the rotor is attached to the top end of the inner side of the stator (8).
3. The novel screw pump convenient for oiling is described in claim 1, which is characterized in that: the stator (8) is an inner wavy channel, and the stator (8) occupies two fifths of the length of the pump body (2).
4. The novel screw pump convenient for oiling is described in claim 1, which is characterized in that: the oil cylinder (161) is cylindrical as a whole, and the internal volume is 250 ml.
5. The novel screw pump convenient for oiling is described in claim 1, which is characterized in that: the cross section of the extrusion rod (166) is in a cross shape, and the length of the extrusion rod (166) is larger than that of the cylinder (1651).
6. The novel screw pump convenient for oiling is described in claim 1, which is characterized in that: the two oil inlets (1654) are rectangular in shape and occupy one third of the length of the barrel (1651).
7. The novel screw pump convenient for oiling is described in claim 1, which is characterized in that: the oil outlet pipe (1656) is L-shaped, and the outlet at the lower end faces to the joint of the bearing (14) and the transmission shaft (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920638734.0U CN210050024U (en) | 2019-05-06 | 2019-05-06 | Novel screw pump convenient to oiling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920638734.0U CN210050024U (en) | 2019-05-06 | 2019-05-06 | Novel screw pump convenient to oiling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210050024U true CN210050024U (en) | 2020-02-11 |
Family
ID=69382232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920638734.0U Expired - Fee Related CN210050024U (en) | 2019-05-06 | 2019-05-06 | Novel screw pump convenient to oiling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210050024U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879783A (en) * | 2021-01-11 | 2021-06-01 | 张蓓 | Oiling device of drive shaft |
| CN113898577A (en) * | 2021-11-04 | 2022-01-07 | 北京君岳伟信工程技术有限公司 | Screw pump and intelligent lubricating oil filling device |
-
2019
- 2019-05-06 CN CN201920638734.0U patent/CN210050024U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879783A (en) * | 2021-01-11 | 2021-06-01 | 张蓓 | Oiling device of drive shaft |
| CN113898577A (en) * | 2021-11-04 | 2022-01-07 | 北京君岳伟信工程技术有限公司 | Screw pump and intelligent lubricating oil filling device |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200211 |
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| CF01 | Termination of patent right due to non-payment of annual fee |