阅读说明：本技术 一种智能分层采油压缩式封隔装置及其使用方法 (Intelligent layered oil extraction compression type packing device and using method thereof ) 是由 兰孟平 张永莉 宋超 于 2021-09-18 设计创作，主要内容包括：本发明公开了一种智能分层采油压缩式封隔装置及其使用方法,包括封隔管,所述封隔管内部的一侧开设有第一储油腔,所述封隔管的内部且位于第一储油腔的一侧开设有第二储油腔,所述封隔管的内部且位于第二储油腔的上方开设有第三储油腔,所述封隔管底部的一侧固定连接有第一进油管,所述第一进油管的一端延伸至第二储油腔的内部,本发明结构紧凑,操作简单便捷,实用性强,通过设置不同的储油腔以及不同的进油管,并配合压缩式的封隔机构,能够控制进油管的通断,从而将不同层次的油液通入不同的储油腔的内部,进而实现智能分层采油操作,降低了成本的同时提高了工作效率,有利于实际的应用与操作。(The invention discloses an intelligent layered oil extraction compression type packing device and a using method thereof, and the intelligent layered oil extraction compression type packing device comprises a packing tube, wherein a first oil storage cavity is formed in one side inside the packing tube, a second oil storage cavity is formed in one side, positioned inside the first oil storage cavity, a third oil storage cavity is formed in the inside of the packing tube, positioned above the second oil storage cavity, one side of the bottom of the packing tube is fixedly connected with a first oil inlet tube, and one end of the first oil inlet tube extends to the inside of the second oil storage cavity. Is beneficial to practical application and operation.)

1. The intelligent layered oil production compression type packing device is characterized by comprising a packing tube (1), wherein a first oil storage cavity (2) is formed in one side of the interior of the packing tube (1), a second oil storage cavity (3) is formed in the interior of the packing tube (1) and positioned on one side of the first oil storage cavity (2), a third oil storage cavity (4) is formed in the interior of the packing tube (1) and positioned above the second oil storage cavity (3), a first oil inlet tube (5) is fixedly connected to one side of the bottom of the packing tube (1), one end of the first oil inlet tube (5) extends to the interior of the second oil storage cavity (3), a first through hole (7) is formed in the inner wall of the first oil storage cavity (2) and positioned on one side of the first oil inlet tube (5), and the first oil storage cavity (2) and the second oil storage cavity (3) are communicated with each other through the first through hole (7) to be kept, the bottom of the inner wall of the second oil storage cavity (3) is provided with a first packing mechanism (8), the outer side of the packing tube (1) is fixedly connected with a second oil inlet tube (9) above the first oil inlet tube (5), one end of the second oil inlet tube (9) extends to the inside of a third oil storage cavity (4), one side of the inner wall of the second oil storage cavity (3) which is positioned on the second oil inlet tube (9) is provided with a second through hole (11), the second oil storage cavity (3) and the third oil storage cavity (4) are communicated with each other through the second through hole (11), the bottom of the inner wall of the third oil storage cavity (4) is provided with a second packing mechanism (12), the outer side of the packing tube (1) is fixedly connected with a third oil inlet tube (13) above the second oil inlet tube (9), one end of the third oil inlet tube (13) extends to the inside of the third oil storage cavity (4), and an oil outlet mechanism (15) is arranged at one end, far away from the third oil inlet pipe (13), of the top of the packing pipe (1).

2. The intelligent stratified oil recovery compression-type packing device as claimed in claim 1, the first packing mechanism (8) comprises a first return spring (81), the bottom of the inner wall of the second oil storage cavity (3) is fixedly connected with the first return spring (81), the top of the first return spring (81) is fixedly connected with a first piston (82), the top of the first piston (82) is fixedly connected with a first connecting rod (83), the inner wall of the second oil storage cavity (3) and above the first piston (82) is fixedly connected with a first annular electromagnet (84), the top of the first connecting rod (83) penetrates through the first annular electromagnet (84) and is fixedly connected with a second piston (85), and a first annular iron block (86) is fixedly connected to the bottom of the second piston (85) and positioned on the outer side of the first connecting rod (83).

3. The intelligent stratified oil recovery compression-type packing device as claimed in claim 2, the second packing mechanism (12) comprises a second return spring (121), the bottom of the inner wall of the third oil storage cavity (4) is fixedly connected with the second return spring (121), the top of the second return spring (121) is fixedly connected with a third piston (122), the top of the third piston (122) is fixedly connected with a second connecting rod (123), the inner wall of the third oil storage cavity (4) and above the third piston (122) is fixedly connected with a second annular electromagnet (124), the top of the second connecting rod (123) penetrates through the second annular electromagnet (124) and is fixedly connected with a fourth piston (125), and a second annular iron block (126) is fixedly connected to the bottom of the fourth piston (125) and positioned on the outer side of the second connecting rod (123).

4. The intelligent stratified oil recovery compression-type packing device as claimed in claim 1, the oil outlet mechanism (15) comprises an oil outlet pipe (151), one end of the top of the packing pipe (1) far away from the third oil inlet pipe (13) is fixedly connected with the oil outlet pipe (151), the bottom of the oil outlet pipe (151) penetrates through the third oil storage cavity (4) and the second oil storage cavity (3) and extends to the interior of the first oil storage cavity (2), a first connecting pipe (152) is fixedly connected with the outer side of the oil outlet pipe (151) and the inner part of the third oil storage cavity (4), a first one-way valve (153) is fixedly arranged on the outer side of the first connecting pipe (152), a second connecting pipe (154) is fixedly connected with the outer side of the oil outlet pipe (151) and the inner part of the second oil storage cavity (3), and a second check valve (155) is fixedly arranged on the outer side of the second connecting pipe (154).

5. An intelligent layered oil recovery compression packing device according to claim 3, wherein a first electromagnetic valve (6) is fixedly installed on the outer side of the first oil inlet pipe (5), a second electromagnetic valve (10) is fixedly installed on the outer side of the second oil inlet pipe (9), and a third electromagnetic valve (14) is fixedly installed on the outer side of the third oil inlet pipe (13).

6. An intelligent zonal oil recovery compression packing apparatus according to claim 2, wherein the first piston (82) and the second piston (85) are both slidably connected to the inner wall of the second oil storage chamber (3).

7. An intelligent zonal oil recovery compression packing apparatus according to claim 3, wherein the third piston (122) and the fourth piston (125) are both slidably connected to the inner wall of the third oil storage chamber (4).

8. The intelligent layered oil recovery compression type packing device according to claim 5, wherein a controller (16) is fixedly installed on one side of the outer side of the packing tube (1) far away from the first oil inlet tube (5), and the first electromagnetic valve (6), the first annular electromagnet (84), the second electromagnetic valve (10), the second annular electromagnet (124) and the third electromagnetic valve (14) are electrically connected with the controller (16).

9. The use method of the intelligent layered oil recovery compression type packing device according to any one of claims 1 to 8, characterized by comprising the following steps:

s1, when oil in the third oil inlet pipe (13) level needs to be collected, the controller (16) controls a third electromagnetic valve (14) on the outer side of the third oil inlet pipe (13) to be opened, the oil enters the third oil storage cavity (4) through the third oil inlet pipe (13), then enters the oil outlet pipe (151) through a first connecting pipe (152), and then is collected through the oil outlet pipe (151);

s2, when oil liquid of the second oil inlet pipe (9) level needs to be collected, the controller (16) controls the second annular electromagnet (124) to be electrified to enable the second annular electromagnet to have magnetism, thereby attracting the second annular iron block (126) to move downwards and simultaneously driving the fourth piston (125) to move downwards, and drives the third piston (122) to move downwards under the action of the second connecting rod (123), and presses the second return spring (121) to make the second oil inlet pipe (9) communicated with the second through hole (11), then a controller (16) is used for controlling a second electromagnetic valve (10) at the outer side of a second oil inlet pipe (9) to be opened, oil enters the inside of a second oil storage cavity (3) through the second oil inlet pipe (9) and a second through hole (11), then enters the inside of the oil outlet pipe (151) through a second connecting pipe (154), and then oil is collected through the oil outlet pipe (151);

s3, when oil liquid at the level of the first oil inlet pipe (5) needs to be collected, the controller (16) is used for controlling the first annular electromagnet (84) to be electrified to enable the electromagnet to have magnetism, so that the first annular iron block (86) is attracted to move downwards, meanwhile, the second piston (85) is driven to move downwards, the first piston (82) is driven to move downwards through the action of the first connecting rod (83), the first return spring (81) is extruded, the first oil inlet pipe (5) is conducted with the first through hole (7), then the controller (16) is used for controlling the first electromagnetic valve (6) on the outer side of the first oil inlet pipe (5) to be opened, the oil liquid enters the inside of the first oil storage cavity (2) through the first oil inlet pipe (5) and the first through hole (7), then enters the inside of the oil outlet pipe (151), and then oil liquid collection is carried out through the oil outlet pipe (151).

Technical Field

The invention belongs to the technical field of layered oil extraction, and particularly relates to an intelligent layered oil extraction compression type packing device and a using method thereof.

Background

In the existing life, the intelligent layered oil extraction refers to that in a production well for extracting multiple oil layers, an oil layer is divided into a plurality of intervals by using packers, interlayer interference is reduced by adopting a blocking or production allocation mode, the oil layer fully plays the due role, and the interlayer interference is reduced or eliminated, the common oil field development is carried out by a layered system, the oil field only divides each large oil layer on the whole, but the single well of the oil field with the multiple oil layers, particularly the multiple oil layers with thick oil layers, is not feasible, namely, under the same flow pressure at the bottom of each well, the water absorption quantity or the oil output quantity among the oil layers can generate mutual interference due to the interlayer difference, therefore, in the layered extraction process of each oil field, the different oil layers need to be isolated and extracted, so as to reduce the oil separation process, reduce the production cost, improve the production rate and protect the crude oil quality and purity to the maximum extent, however, in the prior art, the sealing equipment is lacked in the layered oil extraction, so that the exploitation efficiency is low, the effect of the layered exploitation is influenced, and the actual application and operation are not facilitated.

The invention content is as follows:

the invention aims to solve the problems in the prior art by providing an intelligent layered oil production compression type packing device and a using method thereof.

In order to solve the above problems, the present invention provides a technical solution:

an intelligent layered oil production compression type packing device comprises a packing tube, wherein a first oil storage cavity is formed in one side of the inside of the packing tube, a second oil storage cavity is formed in one side of the first oil storage cavity in the inside of the packing tube, a third oil storage cavity is formed in the inside of the packing tube and above the second oil storage cavity, a first oil inlet tube is fixedly connected to one side of the bottom of the packing tube, one end of the first oil inlet tube extends into the second oil storage cavity, a first through hole is formed in one side of the inner wall of the first oil storage cavity and above the first oil inlet tube, the first oil storage cavity and the second oil storage cavity are communicated with each other through the first through hole, a first packing mechanism is arranged at the bottom of the inner wall of the second oil storage cavity, a second oil inlet tube is fixedly connected to the outer side of the packing tube and above the first oil inlet tube, one end of the second oil inlet tube extends into the third oil storage cavity, the inner wall in second oil storage chamber and the one side that is located the second and advances oil pipe have seted up the second through-hole, second oil storage chamber and third oil storage chamber keep the intercommunication through the second through-hole, the bottom of third oil storage intracavity wall is provided with the second and seals and separate the mechanism, seal the outside that separates the pipe and be located the second and advance oil pipe's top fixedly connected with third and advance oil pipe, the one end that third advances oil pipe extends to the inside in third oil storage chamber, the one end that seals the top that separates the pipe and keep away from third and advance oil pipe is provided with out oily mechanism.

Preferably, the first packing mechanism comprises a first return spring, the bottom of the inner wall of the second oil storage cavity is fixedly connected with the first return spring, the top of the first return spring is fixedly connected with a first piston, the top of the first piston is fixedly connected with a first connecting rod, the inner wall of the second oil storage cavity is fixedly connected with a first annular electromagnet above the first piston, the top of the first connecting rod penetrates through the first annular electromagnet and is fixedly connected with a second piston, and the bottom of the second piston is fixedly connected with a first annular iron block outside the first connecting rod.

Preferably, the second packing mechanism comprises a second return spring, the bottom fixedly connected with second return spring of the third oil storage cavity inner wall, the top fixedly connected with third piston of the second return spring, the top fixedly connected with second connecting rod of the third piston, the inner wall of the third oil storage cavity and the upper fixedly connected with second annular electromagnet that is located at the third piston, the top of the second connecting rod runs through second annular electromagnet and fixedly connected with fourth piston, the bottom of the fourth piston and the outer fixedly connected with second annular iron block that is located at the second connecting rod.

As preferred, it includes out oil pipe to go out oil mechanism, the one end fixedly connected with who seals off the top of pipe and keep away from third oil inlet pipe goes out oil pipe, the bottom that goes out oil pipe runs through third oil storage chamber and second oil storage chamber and extends to the inside in first oil storage chamber, the outside that goes out oil pipe just is located the first connecting pipe of the inside fixedly connected with in third oil storage chamber, the outside fixed mounting of first connecting pipe has first check valve, the outside that goes out oil pipe just is located the inside fixedly connected with second connecting pipe in second oil storage chamber, the outside fixed mounting of second connecting pipe has the second check valve.

Preferably, a first electromagnetic valve is fixedly mounted on the outer side of the first oil inlet pipe, a second electromagnetic valve is fixedly mounted on the outer side of the second oil inlet pipe, and a third electromagnetic valve is fixedly mounted on the outer side of the third oil inlet pipe.

Preferably, the first piston and the second piston are both connected with the inner wall of the second oil storage cavity in a sliding mode.

Preferably, the third piston and the fourth piston are both connected with the inner wall of the third oil storage cavity in a sliding mode.

Preferably, a controller is fixedly mounted on one side, away from the first oil inlet pipe, of the outer side of the isolation pipe, and the first electromagnetic valve, the first annular electromagnet, the second electromagnetic valve, the second annular electromagnet and the third electromagnetic valve are all electrically connected with the controller.

A use method of an intelligent layered oil extraction compression type packing device comprises the following steps:

s1, when oil in the third oil inlet pipe layer needs to be collected, the controller controls the third electromagnetic valve on the outer side of the third oil inlet pipe to be opened, the oil enters the third oil storage cavity through the third oil inlet pipe, then enters the oil outlet pipe through the first connecting pipe, and then oil is collected through the oil outlet pipe;

s2, when oil in the level of the second oil inlet pipe needs to be collected, the controller controls the second annular electromagnet to be electrified to enable the second annular electromagnet to be magnetic, so that the second annular iron block is attracted to move downwards, meanwhile, the fourth piston is driven to move downwards, the third piston is driven to move downwards through the action of the second connecting rod, the second return spring is extruded, the second oil inlet pipe is communicated with the second through hole, then the controller controls the second electromagnetic valve on the outer side of the second oil inlet pipe to be opened, the oil enters the second oil storage cavity through the second oil inlet pipe and the second through hole, then enters the oil outlet pipe through the second connecting pipe, and then the oil collection is carried out through the oil outlet pipe;

s3, when oil on the first oil inlet pipe level needs to be collected, the first annular electromagnet is controlled by the controller to be electrified, the first annular electromagnet is made to have magnetism, the first annular iron block is attracted to move downwards, the second piston is driven to move downwards at the same time, the first piston is driven to move downwards through the action of the first connecting rod, and the first return spring is extruded, the first oil inlet pipe is made to be communicated with the first through hole, then the first electromagnetic valve on the outer side of the first oil inlet pipe is controlled by the controller to be opened, the oil enters the first oil storage cavity through the first oil inlet pipe and the first through hole, then enters the oil outlet pipe, and then the oil is collected through the oil outlet pipe.

The invention has the beneficial effects that: the intelligent oil-extracting device is compact in structure, simple and convenient to operate and high in practicability, different oil storage cavities and different oil inlet pipes are arranged, and the compression type packing mechanism is matched, so that the on-off of the oil inlet pipes can be controlled, oil liquid at different levels is introduced into the different oil storage cavities, intelligent layered oil-extracting operation is further realized, the cost is reduced, the working efficiency is improved, and the intelligent oil-extracting device is beneficial to practical application and operation.

Description of the drawings:

for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.

FIG. 1 is a schematic view of a first operating state of the present invention;

FIG. 2 is a schematic view of a second operating state of the present invention;

FIG. 3 is a schematic view of a third operating state of the present invention;

fig. 4 is an enlarged view of a point a in fig. 1.

In the figure: 1. sealing the tube; 2. a first oil storage chamber; 3. a second oil storage chamber; 4. a third oil storage chamber; 5. a first oil inlet pipe; 6. a first solenoid valve; 7. a first through hole; 8. a first packing mechanism; 81. a first return spring; 82. a first piston; 83. a first connecting rod; 84. a first annular electromagnet; 85. a second piston; 86. a first annular iron block; 9. a second oil inlet pipe; 10. a second solenoid valve; 11. a second through hole; 12. a second packing mechanism; 121. a second return spring; 122. a third piston; 123. a second connecting rod; 124. a second annular electromagnet; 125. a fourth piston; 126. a second annular iron block; 13. a third oil inlet pipe; 14. a third electromagnetic valve; 15. an oil outlet mechanism; 151. an oil outlet pipe; 152. a first connecting pipe; 153. a first check valve; 154. a second connecting pipe; 155. a second one-way valve; 16. and a controller.

The specific implementation mode is as follows:

as shown in fig. 1 to 4, the following technical solutions are adopted in the present embodiment:

example (b):

an intelligent layered oil production compression type packing device comprises a packing pipe 1, wherein a first oil storage cavity 2 is formed in one side inside the packing pipe 1, a second oil storage cavity 3 is formed in the packing pipe 1 and located on one side of the first oil storage cavity 2, a third oil storage cavity 4 is formed in the packing pipe 1 and located above the second oil storage cavity 3, and the first oil storage cavity 2, the second oil storage cavity 3 and the third oil storage cavity 4 are arranged, so that the layered oil production operation can be better performed; a first oil inlet pipe 5 is fixedly connected to one side of the bottom of the isolation pipe 1, one end of the first oil inlet pipe 5 extends into the second oil storage cavity 3, a first through hole 7 is formed in the inner wall of the first oil storage cavity 2 and located on one side of the first oil inlet pipe 5, the first oil storage cavity 2 and the second oil storage cavity 3 are communicated with each other through the first through hole 7, and the first oil storage cavity 2 and the second oil storage cavity 3 are better communicated with each other through the first through hole 7; a first packing mechanism 8 is arranged at the bottom of the inner wall of the second oil storage cavity 3, a second oil inlet pipe 9 is fixedly connected to the outer side of the packing pipe 1 and positioned above the first oil inlet pipe 5, one end of the second oil inlet pipe 9 extends into the third oil storage cavity 4, a second through hole 11 is formed in the inner wall of the second oil storage cavity 3 and positioned on one side of the second oil inlet pipe 9, the second oil storage cavity 3 and the third oil storage cavity 4 are communicated with each other through the second through hole 11, and the second oil storage cavity 3 and the third oil storage cavity 4 are better communicated with each other through the second through hole 11; a second packing mechanism 12 is arranged at the bottom of the inner wall of the third oil storage chamber 4, a third oil inlet pipe 13 is fixedly connected to the outer side of the packing pipe 1 and above the second oil inlet pipe 9, one end of the third oil inlet pipe 13 extends into the third oil storage chamber 4, and better oil can be conveniently introduced into the third oil storage chamber 4 through the third oil inlet pipe 13; and an oil outlet mechanism 15 is arranged at one end of the top of the isolation pipe 1, which is far away from the third oil inlet pipe 13.

Wherein, first packing mechanism 8 includes first return spring 81, the first return spring 81 of bottom fixedly connected with of second oil storage chamber 3 inner wall, the first piston 82 of top fixedly connected with of first return spring 81, the top fixedly connected with head rod 83 of first piston 82, the inner wall of second oil storage chamber 3 and the top fixedly connected with first annular electro-magnet 84 that is located first piston 82, first annular electro-magnet 84 and fixedly connected with second piston 85 are run through at the top of head rod 83, the bottom of second piston 85 and the outside fixedly connected with first annular iron piece 86 that is located head rod 83, through setting up first packing mechanism 8, be convenient for better seal and switch on first oil pipe 5 and first through-hole 7 advancing.

Wherein, the second seals and separates mechanism 12 and includes second return spring 121, the bottom fixedly connected with second return spring 121 of the 4 inner walls in third oil storage chamber, the top fixedly connected with third piston 122 of second return spring 121, the top fixedly connected with second connecting rod 123 of third piston 122, the inner wall of third oil storage chamber 4 and the top fixedly connected with second annular electromagnet 124 that is located third piston 122, second annular electromagnet 124 and fixedly connected with fourth piston 125 are run through at the top of second connecting rod 123, the outside fixedly connected with second annular iron plate 126 that is located second connecting rod 123 in the bottom of fourth piston 125, through setting up second seals and separates mechanism 12, is convenient for better advance oil pipe 9 and seal and switch on with second through-hole 11 to the second.

Wherein, it includes oil outlet pipe 151 to go out oil mechanism 15, the one end fixedly connected with oil outlet pipe 151 of third oil inlet pipe 13 is kept away from at the top of packer pipe 1, the bottom of oil outlet pipe 151 runs through third oil storage chamber 4 and the inside that second oil storage chamber 3 just extended to first oil storage chamber 2, the outside of oil outlet pipe 151 and the inside fixedly connected with first connecting pipe 152 that is located third oil storage chamber 4, the outside fixed mounting of first connecting pipe 152 has first check valve 153, the outside of oil outlet pipe 151 and the inside fixedly connected with second connecting pipe 154 that is located second oil storage chamber 3, the outside fixed mounting of second connecting pipe 154 has second check valve 155, through setting up oil outlet mechanism 15, is convenient for better to first oil storage chamber 2, second oil storage chamber 3 and the inside fluid of third oil storage chamber 4 derive the collection.

Wherein, the outside fixed mounting that first advances oil pipe 5 has first solenoid valve 6, the outside fixed mounting that the second advances oil pipe 9 has second solenoid valve 10, the outside fixed mounting that third advances oil pipe 13 has third solenoid valve 14, through setting up first solenoid valve 6, second solenoid valve 10 and third solenoid valve 14, the break-make of the first oil pipe 5 that advances of control, second advance oil pipe 9 and third advance oil pipe 13 of being convenient for better.

Wherein, first piston 82, second piston 85 all with the inner wall sliding connection of second oil storage chamber 3, be convenient for better seal the inside of second oil storage chamber 3 through first piston 82 and second piston 85.

The third piston 122 and the fourth piston 125 are both connected with the inner wall of the third oil storage chamber 4 in a sliding manner, and the third piston 122 and the fourth piston 125 are used for better sealing the inside of the third oil storage chamber 4.

The controller 16 is fixedly mounted on one side, away from the first oil inlet pipe 5, of the outer side of the isolation pipe 1, and the first electromagnetic valve 6, the first annular electromagnet 84, the second electromagnetic valve 10, the second annular electromagnet 124 and the third electromagnetic valve 14 are all electrically connected with the controller 16, so that better control over equipment is facilitated through the controller 16, and meanwhile, the controller 16 is electrically connected with external control equipment.

A use method of an intelligent layered oil extraction compression type packing device comprises the following steps:

s1, when oil in the third oil inlet pipe 13 layer needs to be collected, the controller 16 controls the third electromagnetic valve 14 on the outer side of the third oil inlet pipe 13 to be opened, the oil enters the third oil storage chamber 4 through the third oil inlet pipe 13, then enters the oil outlet pipe 151 through the first connecting pipe 152, and then is collected through the oil outlet pipe 151;

s2, when oil in the level of the second oil inlet pipe 9 needs to be collected, the controller 16 controls the second annular electromagnet 124 to be electrified to make the second annular electromagnet have magnetism, so that the second annular iron block 126 is attracted to move downwards, the fourth piston 125 is driven to move downwards, the third piston 122 is driven to move downwards through the action of the second connecting rod 123, the second return spring 121 is extruded, the second oil inlet pipe 9 is communicated with the second through hole 11, then the controller 16 controls the second electromagnetic valve 10 on the outer side of the second oil inlet pipe 9 to be opened, the oil enters the second oil storage cavity 3 through the second oil inlet pipe 9 and the second through hole 11, then enters the oil outlet pipe 151 through the second connecting pipe 154, and then the oil is collected through the oil outlet pipe 151;

s3, when oil in the first oil inlet pipe 5 level needs to be collected, the controller 16 controls the first annular electromagnet 84 to be electrified to make it have magnetism, so as to attract the first annular iron block 86 to move downwards, and simultaneously drive the second piston 85 to move downwards, and drive the first piston 82 to move downwards through the action of the first connecting rod 83, and extrude the first return spring 81, so that the first oil inlet pipe 5 is communicated with the first through hole 7, then the controller 16 controls the first electromagnetic valve 6 on the outer side of the first oil inlet pipe 5 to be opened, the oil enters the first oil storage cavity 2 through the first oil inlet pipe 5 and the first through hole 7, then enters the oil outlet pipe 151, and then the oil is collected through the oil outlet pipe 151.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.