Detachable electric oil pumping device

Abstract

The utility model belongs to the technical field of oil conveying devices, and particularly relates to a detachable electric oil pumping device which comprises an electric gear pump, an oil suction pipe, an oil outlet pipe, a wrench connecting piece and an electric wrench, the oil suction pipe is connected with an oil inlet of the electric gear pump, and the oil outlet pipe is connected with an oil outlet of the electric gear pump. The wrench connecting piece is fixedly installed on a transmission shaft of the electric gear pump, and the electric wrench is rotationally connected with the wrench connecting piece. The electric wrench fixedly connected with the wrench connecting piece rotates to drive the transmission shaft of the electric gear pump to rotate, so that oil pumping operation on oil in the oil drum is achieved, the structure is simple and practical, the electric wrench is a portable rechargeable maintenance tool, the oil pumping station is not limited by the position of a power source, operation is convenient, labor is saved, and the service life is prolonged. Meanwhile, after oil pumping is completed, the electric wrench can be detached for other purposes, the manufacturing cost of the oil pumping device is greatly reduced, and the oil pumping device is worthy of application and popularization.

Description

TECHNICAL FIELD

[0001] The utility model belongs to oil delivery device technical field, especially relate to a detachable electric oil pumping device. BACKGROUND

[0002] The present market supply of oil pumping device mainly has two kinds, one is manual oil pumping device, through manual rotation of rocker arm drives the gear or slice in oil pumping to rotate, reaches the purpose of pumping oil, pumping efficiency is limited by manpower drive rocker arm speed, pumping efficiency is low, and artificial work intensity is higher, another kind is the electric oil pumping device of higher price, motor and oil pumping device are fixed connection in electric oil pumping device, need to connect power supply before carrying out pumping oil, utilizes motor to drive electric pump to pump oil in oil drum, compared with manual oil pumping work efficiency of this device has obvious promotion, but electric pump volume is big, quality is heavy, personnel is more difficult to transport, simultaneously by power position limit, need to equip different cable of long and short, pumping station is limited, needs manual tilt oil drum to pump oil under no power supply condition, time consuming and laborious.

[0003] Therefore, it is urgent to design a detachable electric oil pumping device which is not limited by power supply and has low production cost. SUMMARY

[0004] In order to overcome the problems in the background art, the utility model provides a detachable electric oil pumping device, which comprises an electric gear pump, an oil suction pipe, an oil outlet pipe, a wrench connecting piece and an electric wrench, the oil suction pipe is connected with the oil inlet of the electric gear pump, the oil outlet pipe is connected with the oil outlet of the electric gear pump, the wrench connecting piece is fixedly installed on the transmission shaft of the electric gear pump, and the electric wrench is rotationally connected with the wrench connecting piece.

[0005] Further, the oil inlet and the oil outlet of the electric gear pump are located at the lower end of the electric gear pump shell.

[0006] Further, the transmission shaft is located at the upper end of the electric gear pump shell.

[0007] Further, the wrench connecting piece is a nut matched with the sleeve of the electric wrench.

[0008] Further, the wrench connecting piece is welded and fixed with the transmission shaft of the electric gear pump.

[0009] Further, the oil outlet pipe is an L-shaped thin-walled metal pipe.

[0010] Further, an oil drum fixing piece is arranged on one side of the oil suction pipe close to the electric gear pump, and the oil drum fixing piece is detachably connected with the oil outlet of the oil drum.

[0011] Further, the oil drum fixing piece is an oil drum cover sleeved on the oil suction pipe.

[0012] Further, the oil drum cover is screwed with the oil outlet of the oil drum.

[0013] Further, the distance between the oil drum cover and the bottom end of the oil suction pipe is 78-82 cm.

[0014] Compared with the prior art, the detachable electric oil pumping device has the following beneficial effects:

[0015] (1) In the application, the electric wrench is rotated through the fixed connection with the wrench connecting piece, thereby driving the transmission shaft of the electric gear pump to rotate, so that the oil pumping operation on the oil in the oil drum is realized, the structure is simple and practical, the electric wrench is a portable charging type maintenance tool, the oil pumping station is not limited by the power supply position, the operation is convenient and labor-saving, after the oil pumping is completed, the electric wrench can be detached for other use, the manufacturing cost of the oil pumping device is greatly reduced, and the detachable electric oil pumping device is worthy of promotion and use.

[0016] (2) In the application, the oil suction pipe is fixed on the oil drum by arranging the oil drum fixing part screwed with the oil outlet of the oil drum, so that the oil suction pipe and the inner bottom wall of the oil drum maintain a suitable fixed distance, the operator does not need to hold and fix by hand, the oil pumping is convenient and labor-saving, and meanwhile, the oil impurities at the bottom of the oil drum can be prevented from being sucked out, and the service life of the electric oil pumping device is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained on the premise of not creating laboriously.

[0018] Fig. 1 It is a whole structure schematic view of the detachable electric oil pumping device of the present application;

[0019] Fig. 2 It is an explosion schematic view of the whole structure of the detachable electric oil pumping device of the present application;

[0020] Fig. 3 It is a front view sectional view of the detachable electric oil pumping device of the present application and the fixed oil drum;

[0021] Among them: 1-electric gear pump, 11-inlet, 12-outlet, 13-transmission shaft, 14-electric gear pump shell, 2-oil suction pipe, 3-oil outlet pipe, 4-wrench connecting piece, 5-electric wrench, 51-electric wrench sleeve, 6-oil drum fixing part, 61-oil drum cover, 7-oil drum, 71-oil outlet of the oil drum. DETAILED DESCRIPTION

[0022] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0023] The technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the present application. Fig. 1 to Fig. 3 The present application is described in detail below with reference to specific embodiments.

[0024] The present application provides a detachable electric oil pumping device, comprising an electric gear pump 1, an oil suction pipe 2, an oil outlet pipe 3, a wrench connecting piece 4 and an electric wrench 5, the oil suction pipe 2 is connected with an oil inlet 11 of the electric gear pump 1, the oil outlet pipe 3 is connected with an oil outlet 12 of the electric gear pump 1, the wrench connecting piece 4 is fixedly installed on a transmission shaft 13 of the electric gear pump 1, and the electric wrench 5 is rotationally connected with the wrench connecting piece 4.

[0025] In the present application, the electric gear pump 1 is a commonly used spare part in steel enterprise production, which is small in size, light in weight and various in types. In order to save cost, the gear pump with insufficient online oil supply pressure but still having oil pumping function is selected in the present embodiment, and is reused after maintenance. The oil suction pipe 2 and the oil outlet pipe 3 are both hollow metal thin-walled pipes, and other materials can also be selected, which is not limited herein. The pipe diameter of the oil suction pipe 2 is φ25-φ40mm, and the oil suction pipe 2 is detachably connected with the oil inlet 11 through a metal connecting piece. In other embodiments, the oil suction pipe 2 can be directly welded on the oil inlet 11. The electric wrench 5 is a portable rechargeable electric wrench commonly used for maintenance in a workshop. When oil pumping operation is needed, the operator only needs to insert the oil suction pipe 2 connected with the electric gear pump 1 into an oil drum 7, connect the oil outlet pipe 3 with an external oil conveying device, fix the electric wrench 5 with the wrench connecting piece 4, and then press the switch of the electric wrench 5, so that the transmission shaft 13 connected with the wrench connecting piece 4 is driven to rotate by the electric wrench 5, thereby realizing oil pumping operation on the oil in the oil drum. In the present application, the electric wrench 5 fixedly connected with the wrench connecting piece 4 is rotated, and the transmission shaft 13 of the electric gear pump 1 is driven to rotate, thereby realizing oil pumping operation. The structure is simple and practical, the electric wrench is a portable rechargeable maintenance tool, the oil pumping station is not limited by the position of the power supply, the operation is convenient and labor-saving, and after the oil pumping is completed, the electric wrench 5 can be detached for other use, which greatly reduces the manufacturing cost of the oil pumping device and is worth popularization and use.

[0026] Specifically, refer to Fig. 1 - Fig. 3The oil inlet 11 and the oil outlet 12 of the electric gear pump 1 in the embodiment are located at the lower end of the electric gear pump shell 14. In the embodiment, the oil inlet 11 and the oil outlet 12 are arranged at the lower end of the electric gear pump 1, which facilitates the connection of the oil suction pipe 2 and the oil outlet pipe 3 respectively, and makes the whole oil pumping device more compact.

[0027] Specifically, referring to Fig. 1 - Fig. 3 In the embodiment, the transmission shaft 13 is located at the upper end of the electric gear pump shell 14, so that the operator can quickly and accurately aim the electric wrench 5 at the wrench connecting piece 4, facilitate force application, and operate conveniently.

[0028] Specifically, referring to Fig. 1 - Fig. 3 In the embodiment, the wrench connecting piece 4 is a nut matched with the electric wrench sleeve 51. The nut is commonly used in workshops, which can quickly realize the fixed connection with the electric wrench 5, and is convenient to obtain and low in cost.

[0029] Specifically, referring to Fig. 1 - Fig. 3 In the embodiment, the wrench connecting piece 4 is welded and fixed with the transmission shaft 13 of the electric gear pump 1, which is stable and firm in structure.

[0030] Specifically, referring to Fig. 1 - Fig. 3 In the embodiment, the oil outlet pipe 3 is an L-shaped thin-walled metal pipe. The L-shaped thin-walled metal pipe facilitates the connection of the pumped oil and the oil conveying device. In the embodiment, the L-shaped thin-walled metal pipe includes a vertical pipe and a horizontal pipe, and the vertical pipe and the horizontal pipe are connected through an L-shaped double-pass elbow, which is simple in structure and low in cost.

[0031] Specifically, referring to Fig. 3 In the embodiment, the oil suction pipe 2 is provided with an oil drum fixing piece 6 close to the electric gear pump 1 on one side. The oil drum fixing piece 6 is detachably connected with the oil outlet 71 of the oil drum. In the application, the oil drum fixing piece 6 is arranged to fix the whole electric oil pumping device on the oil drum 7, and to keep a proper fixed distance between the oil suction pipe 2 and the inner bottom wall of the oil drum 7, so that the operator does not need to hold the oil suction pipe 2, which makes the oil pumping operation more convenient and labor-saving.

[0032] Specifically, referring to Fig. 1 - Fig. 3 In the embodiment, the oil drum fixing piece 6 is an oil drum cover 61 which is sleeved and fixed on the oil suction pipe 2. In the application, the oil drum fixing piece 6 is selected as the oil drum cover 61 matched with the oil outlet 71 of the oil drum. In actual use, the oil drum cover 61 is matched with the oil outlet 71 of the oil drum, and the operator only needs to punch a hole in the middle of the original oil drum cover 61 and weld it at a proper position of the oil suction pipe 2, so that the oil drum cover 61 and the oil outlet 71 of the oil drum are fixed, thereby realizing the fixed installation of the electric oil pumping device.

[0033] Specifically, referring to Fig. 3The oil bucket cover 61 is screwed with the oil outlet 71 in the embodiment, the fixing mode is simple and convenient, and the cost is low.

[0034] Specifically, referring to Fig. 1 - Fig. 3 In the embodiment, the vertical distance between the oil bucket cover 61 and the bottom end of the oil suction pipe 2 is 78-82 cm. Preferably, the vertical distance between the oil bucket cover 61 and the bottom end of the oil suction pipe 2 is 80 cm. In the embodiment, the oil bucket 7 is a 55-gallon oil bucket commonly used for storing and transporting petroleum products in a workshop, the diameter of the oil bucket 7 is 57 cm, and the height of the oil bucket 7 is 85 cm. After the oil bucket cover 61 is fixed with the oil outlet 71, the distance between the bottom end of the oil suction pipe 2 and the inner bottom wall of the oil bucket 7 is 3-8 cm, and preferably, the distance between the bottom end of the oil suction pipe 2 and the inner bottom wall of the oil bucket 7 is 5 cm. By arranging the oil bucket fixing part 6 screwed with the oil outlet 71, the oil suction pipe 2 is fixed above the inner bottom wall of the oil bucket 7 at a fixed distance, which can effectively prevent the oil impurities at the bottom of the oil bucket from being sucked out, thereby prolonging the service life of the electric oil pumping device.

[0035] The use steps of the electric oil pumping device are as follows:

[0036] (1) The operator inserts the oil suction pipe 2 connected with the electric gear pump 1 into the oil bucket 7 through the oil outlet 71, and connects the oil outlet pipe 3 with the external oil conveying device;

[0037] (2) Screw and fix the oil bucket cover 61 with the oil outlet 71;

[0038] (3) Take the electric wrench 5, put the electric wrench sleeve 51 on the nut 41, press the switch of the electric wrench 5, and start the oil pumping operation;

[0039] (4) After the oil pumping is completed, take away the electric wrench 5, disconnect the external oil conveying device, rotate and disassemble the oil bucket cover 6, take out the electric gear pump 1 together with the oil suction pipe 2 and the oil outlet pipe 3, and place them aside for subsequent use, and the whole oil pumping operation is completed.

[0040] It should be noted that the height of the oil suction pipe 2 can be determined according to the height of the oil bucket 7 to be pumped, and if the oil in the oil bucket 7 of other specifications needs to be pumped, only the oil suction pipe 2 of different height needs to be disassembled and installed.

[0041] The above describes the utility model with specific embodiments, but it should be understood that the specific description herein should not be understood as limiting the essence and scope of the utility model, and various modifications of the above embodiments made by ordinary skilled persons in the art after reading the specification all belong to the scope protected by the utility model.

Claims

1. A detachable electric oil pumping device, characterized in that, The device includes an electric gear pump, an oil suction pipe, an oil outlet pipe, a wrench connector, and an electric wrench. The oil suction pipe is connected to the oil inlet of the electric gear pump, the oil outlet pipe is connected to the oil outlet of the electric gear pump, the wrench connector is fixedly mounted on the drive shaft of the electric gear pump, and the electric wrench is rotatably connected to the wrench connector.

2. The detachable electric oil pumping device according to claim 1, characterized in that, The oil inlet and outlet of the electric gear pump are both located at the lower end of the electric gear pump housing.

3. The detachable electric oil pumping device according to claim 1, characterized in that, The drive shaft is located at the upper end of the electric gear pump housing.

4. The detachable electric oil pumping device according to claim 1, characterized in that, The wrench connector is a nut that is compatible with the sleeve of the electric wrench.

5. The detachable electric oil pumping device according to claim 1, characterized in that, The wrench connector is welded and fixed to the drive shaft of the electric gear pump.

6. The detachable electric oil pumping device according to claim 1, characterized in that, The oil outlet pipe is an L-shaped thin-walled metal pipe.

7. The detachable electric oil pumping device according to claim 1, characterized in that, An oil drum fixing component is provided on the side of the oil suction pipe near the electric gear pump, and the oil drum fixing component is detachably connected to the oil outlet of the oil drum.

8. The detachable electric oil pumping device according to claim 7, characterized in that, The oil drum fixing component is an oil drum cover that is fitted and fixed to the oil suction pipe.

9. The detachable electric oil pumping device according to claim 8, characterized in that, The oil drum cover is threadedly connected to the oil drum outlet.

10. The detachable electric oil pumping device according to claim 8, characterized in that, The vertical distance between the oil drum cover and the bottom of the oil suction pipe is 78-82 cm.

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