Tank body structure for vacuum pumping unit

Abstract

The utility model discloses a tank body structure for a vacuum pumping unit, which comprises a tank body, the tank body is provided with a plurality of connecting joints, the bottom of the tank body is provided with an oil discharge hole extending downwards, the oil discharge hole is connected with an oil discharge pipe fitting, the inner wall of the oil discharge pipe fitting is provided with a sealing convex ring, and a sealing plug is arranged in the oil discharge pipe fitting in an up-down moving manner. An execution assembly for driving the sealing plug to move up and down is arranged on the upper surface of the tank body; the execution assembly comprises a moving rod, a mounting seat and an operating handle connected with the moving rod; the moving rod moves up and down relative to the tank body and is rotationally arranged; the mounting seat is fixedly arranged on the upper surface of the tank body, and is hollow and open in the lower end; the lower end of the moving rod extends into the oil discharge pipe and is fixedly connected with the sealing plug; a longitudinal guide groove is formed in any side wall surface of the mounting seat, and the operating handle is arranged in the longitudinal guide groove in an up-down moving manner; a limiting clamping groove is formed in any one of the left side and the right side of the longitudinal guide groove, and the operating handle can be clamped into the limiting clamping groove to form limiting locking.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum oil pumping units, in particular to a tank structure used for vacuum oil pumping units. Background Art

[0002] Prior art, such as the Chinese invention patent document with publication number CN 103362876B, discloses a display tube for a vacuum oil suction machine, comprising an observation tube, a guide seat, a lock core, a torsion tube, a guide seat being installed in the middle of the top of the observation tube, a torsion tube connected to the lock core being provided below the guide seat, a pressure rod device being connected between the guide seat and the torsion tube, wherein the connecting seat at the upper end of the pressure rod device is fixedly connected to the guide seat, the pressure rod at the lower end is connected to the torsion tube, and a one-way conduction device is connected between the pressure rod and the torsion tube.

[0003] In the prior art, the lever's upper and lower positions are locked by inserting a positioning pin in the operating handle through the fork and engaging with three positioning holes on the front side of the handle connector. This locking method has the problem that unlocking requires manually removing the positioning pin from the positioning hole, which is inconvenient and needs further improvement. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems in the prior art. To this end, the utility model proposes a tank structure for a vacuum oil pumping unit.

[0005] A tank structure for a vacuum oil pumping unit designed for this purpose includes a tank body, the tank body is provided with a plurality of connecting joints, the bottom of the tank body is provided with an oil drain hole extending downward, the oil drain hole is connected to an oil drain pipe, the inner wall of the oil drain pipe is provided with a sealing convex ring, a sealing plug is provided in the oil drain pipe for moving up and down, and the upper surface of the tank body is provided with an actuator for driving the sealing plug to move up and down;

[0006] The actuator assembly includes a moving rod, a mounting seat, and an operating handle connected to the moving rod;

[0007] The movable rod is movable up and down and rotatably relative to the tank body;

[0008] The mounting seat is fixedly arranged on the upper surface of the tank body, and the interior of the mounting seat is hollow and the lower end is open;

[0009] The lower end of the movable rod extends into the oil drain pipe and is fixedly connected to the sealing plug;

[0010] A longitudinal guide groove is provided on any side wall of the mounting seat, and the operating handle is arranged in the longitudinal guide groove for moving up and down;

[0011] A limit slot is provided on either side of the longitudinal guide slot, and the operating handle can be inserted into the limit slot to form a limit lock.

[0012] Preferably, the top of the tank body is provided with an opening, and an annular sealing member is provided in the opening;

[0013] The upper end of the moving rod extends through the annular seal and into the mounting seat;

[0014] An elastic element is provided in the mounting seat, and the elastic element is used to apply a force to the moving rod so that the sealing plug and the sealing convex ring maintain a fitting state.

[0015] Preferably, the mounting seat is rotatably provided with a rotating seat, the rotating seat is provided with a connecting portion, the operating handle is provided with a connecting piece, and the connecting piece and the connecting portion are hinged to each other;

[0016] The connecting piece is provided with a strip groove, and the upper end of the moving rod is provided with a linkage pin, and the linkage pin is movably inserted in the strip groove.

[0017] Preferably, the sealing plug is arranged below the sealing convex ring;

[0018] The upper surface of the sealing plug is fitted with the lower surface of the sealing convex ring to achieve a closed state of the oil drain pipe.

[0019] Preferably, a sealing ring is provided on the upper surface of the sealing plug.

[0020] Preferably, a hollow pipe is provided in the tank body, the upper and lower ends of the hollow pipe are opened, the lower end of the hollow pipe is connected to the oil drain pipe, the moving rod is provided in the hollow pipe, and the upper end of the hollow pipe is connected to the annular seal;

[0021] An oil inlet hole is provided on the side wall of the hollow pipe above the oil drain pipe.

[0022] Preferably, the tank is connected to a pressure gauge.

[0023] Compared with the prior art, the present invention features a movable rod that moves up and down relative to the tank body and is rotatable. A longitudinal guide groove is provided on either side of the mounting base, and the operating handle is disposed within the longitudinal guide groove for vertical movement. A limit slot is provided on either side of the longitudinal guide groove, and the operating handle can be snapped into the limit slot to form a limit lock. With the operating handle rotating in conjunction with the movable rod, the present invention allows the operating handle to be quickly snapped into or out of the limit slot to achieve locking or unlocking, making operation convenient and meeting user requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is one of the three-dimensional structural diagrams of the present utility model;

[0025] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0026] Figure 3 This is the second schematic diagram of the three-dimensional structure of the utility model;

[0027] Figure 4 This is the third schematic diagram of the three-dimensional structure of the utility model;

[0028] Figure 5 This is a schematic diagram of the assembly structure of the pumping unit. DETAILED DESCRIPTION

[0029] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0030] See also Figure 1-Figure 5 A tank structure for a vacuum oil pumping unit includes a tank body 10, the tank body 10 is provided with a plurality of connecting joints 110, the bottom of the tank body 10 is provided with an oil drain hole 100 extending downward, the oil drain hole 100 is connected to an oil drain pipe 310, the inner wall of the oil drain pipe 310 is provided with a sealing convex ring 320, a sealing plug 330 is provided in the oil drain pipe 310 for moving up and down, and the upper surface of the tank body 10 is provided with an actuator 40 for driving the sealing plug 330 to move up and down; the sealing plug 330 is in contact with the sealing convex ring 320 to achieve a closed state of the oil drain pipe 310; the sealing plug 330 is separated from the sealing convex ring 320 to achieve an open state of the oil drain pipe 310.

[0031] In the present invention, when extracting the engine oil, the sealing plug 330 is fitted with the sealing convex ring 320 , so that the oil drain pipe 310 is in a closed state, so that the interior of the tank body 10 is vacuumed to form a negative pressure.

[0032] When draining the oil, any one of the connectors 110 is in the open state, allowing external airflow to enter the tank body 10. Simultaneously, the actuator 40 is operated to drive the sealing plug 330 upward or downward relative to the oil drain pipe 310, separating the sealing plug 330 from the sealing protrusion 320. This opens the oil drain pipe 310, allowing the old oil to be discharged outward from the oil drain pipe 310.

[0033] In the present invention, the tank body 10 is connected to a vacuum generator, and the connecting joint 110 is used to connect the oil pumping pipe.

[0034] See also Figure 2, an opening 130 is provided on the top of the tank body 10, and an annular seal 60 is provided in the opening 130; the actuator 40 includes a moving rod 410, a mounting seat 420 and an operating handle 430; the mounting seat 420 is fixedly provided on the upper surface of the tank body 10, the interior of the mounting seat 420 is hollow and the lower end is open; the lower end of the moving rod 410 extends into the oil drain pipe 310 and is fixedly connected to the sealing plug 330; the upper end of the moving rod 410 passes through the annular seal 60 and extends into the mounting seat 420; an elastic element 440 is provided in the mounting seat 420, and the elastic element 440 is used to apply a force to the moving rod 410 so that the sealing plug 330 and the sealing convex ring 320 remain in a fit state; the operating handle 430 is connected to the moving rod 410, and is used to drive the moving rod 410 to move up and down.

[0035] Furthermore, the sealing plug 330 is disposed below the sealing protrusion 320; the upper surface of the sealing plug 330 abuts against the lower surface of the sealing protrusion 320, thereby maintaining the oil drain pipe 310 in a closed state. In this embodiment, the elastic element 440 exerts an upward force on the movable rod 410, i.e., the elastic element 440 drives the movable rod 410 upward, causing the upper surface of the sealing plug 330 to abut against the lower surface of the sealing protrusion 320, thereby maintaining the closed state. In this embodiment, when the oil drain pipe 310 needs to be opened, the operating handle 430 is manually operated to move the movable rod 410 downward, separating the upper surface of the sealing plug 330 from the lower surface of the sealing protrusion 320, thereby opening the oil drain pipe 310.

[0036] Furthermore, the elastic element 440 is a spring, which is sleeved on the moving rod 410 , and the lower end of the spring abuts against the upper surface of the annular seal 60 . A retaining ring 441 is provided at the upper end of the moving rod 410 , and the upper end of the spring abuts against the lower surface of the retaining ring 441 .

[0037] See also Figure 1 A longitudinal guide groove 450 is provided on either side of the mounting base 420, and the operating handle 430 is positioned within this longitudinal guide groove 450 for vertical movement. A limit slot 460 is provided on either side of the longitudinal guide groove 450, and the operating handle 430 can be locked into this limit slot 460 to form a limit lock. This structure allows the oil drain pipe 310 to remain in the open state by locking the operating handle 430 into the limit slot 460.

[0038] See also Figure 2The mounting base 420 is rotatably provided with a rotating base 470, and a connecting portion 480 is provided on the rotating base 470. The operating handle 430 is provided with a connecting piece 490, and the connecting piece 490 and the connecting portion 480 are hinged to each other; the connecting piece 490 is provided with a strip groove 491, and a linkage pin 411 is provided at the upper end of the moving rod 410, and the linkage pin 411 is movably inserted into the strip groove 491. The provision of the rotating base 470 allows the operating handle 340 to rotate relative to the mounting base 470, so that the operating handle 340 can be snapped into the limiting slot 460. In the present utility model, the moving rod 410 will rotate synchronously with the rotation of the operating handle 340.

[0039] See also Figure 2 A sealing ring 340 is provided on the upper surface of the sealing plug 330 , and the function of the sealing ring 340 is to enhance the sealing performance between the sealing plug 330 and the annular convex ring 320 .

[0040] See also Figure 2 A hollow tube 50 is provided in the tank body 10. The upper and lower ends of the hollow tube 50 are opened. The lower end of the hollow tube 50 is connected to the oil drain pipe 310. The moving rod 410 is provided in the hollow tube 50. The upper end of the hollow tube 50 is connected to the annular seal 60. An oil inlet hole 510 is provided on the side wall of the hollow tube 50 above the oil drain pipe 310.

[0041] See also Figure 1 The tank body 10 is connected to a pressure gauge 120 .

[0042] See also Figure 5 The function of the tank body 10 in the present invention is to cooperate with the vacuum generator to form negative pressure, so as to suck the old engine oil into the tank body 10 for temporary storage through the negative pressure. After the suction of the old engine oil is completed, the oil drain pipe 310 is connected to the oil collecting tank 70. When the sealing plug 330 is operated to open the oil drain pipe 310, the old engine oil flows downward from the tank body 10 into the oil collecting tank 70 for storage.

[0043] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

[0044] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A tank structure for a vacuum oil pumping unit, comprising a tank (10), the tank (10) being provided with a plurality of connecting joints (110), a bottom of the tank (10) being provided with an oil drain hole (100) extending downward, the oil drain hole (100) being connected to an oil drain pipe (310), an inner wall of the oil drain pipe (310) being provided with a sealing convex ring (320), a sealing plug (330) being provided in the oil drain pipe (310) for moving up and down, and an actuator (40) being provided on the upper surface of the tank (10) for driving the sealing plug (330) to move up and down; Its characteristics are: The actuator assembly (40) includes a moving rod (410), a mounting seat (420), and an operating handle (430) connected to the moving rod (410); The moving rod (410) is movable up and down and rotatably arranged relative to the tank body (10); The mounting seat (420) is fixedly arranged on the upper surface of the tank body (10), and the interior of the mounting seat (420) is hollow and the lower end is open; The lower end of the moving rod (410) extends into the oil drain pipe (310) and is fixedly connected to the sealing plug (330); A longitudinal guide groove (450) is provided on a wall surface on either side of the mounting seat (420), and the operating handle (430) is arranged in the longitudinal guide groove (450) to move up and down; A limit slot (460) is provided on either side of the longitudinal guide slot (450), and the operating handle (430) can be inserted into the limit slot (460) to form a limit lock.

2. The tank structure for a vacuum oil pumping unit according to claim 1, characterized in that: An opening (130) is provided on the top of the tank body (10), and an annular sealing member (60) is provided in the opening (130); The upper end of the moving rod (410) passes through the annular seal (60) and extends into the mounting seat (420); An elastic element (440) is provided in the mounting seat (420), and the elastic element (440) is used to apply a force to the moving rod (410) so that the sealing plug (330) and the sealing convex ring (320) maintain a fitting state.

3. The tank structure for a vacuum oil pumping unit according to claim 1, characterized in that: The mounting seat (420) is rotatably provided with a rotating seat (470), the rotating seat (470) is provided with a connecting portion (480), the operating handle (430) is provided with a connecting piece (490), and the connecting piece (490) and the connecting portion (480) are hinged to each other; The connecting piece (490) is provided with a strip groove (491), and the upper end of the moving rod (410) is provided with a linkage pin (411), and the linkage pin (411) is movably inserted into the strip groove (491).

4. A tank structure for a vacuum oil pumping unit according to any one of claims 1 to 3, characterized in that: The sealing plug (330) is arranged below the sealing convex ring (320); The upper surface of the sealing plug (330) is in contact with the lower surface of the sealing convex ring (320) to achieve a closed state of the oil discharge pipe (310).

5. A tank structure for a vacuum oil pumping unit according to any one of claims 1 to 3, characterized in that: A sealing ring (340) is provided on the upper surface of the sealing plug (330).

6. The tank structure for a vacuum oil pumping unit according to claim 2, characterized in that: A hollow pipe (50) is provided in the tank body (10), the upper and lower ends of the hollow pipe (50) are opened, the lower end of the hollow pipe (50) is connected to the oil discharge pipe (310), the moving rod (410) is provided in the hollow pipe (50), and the upper end of the hollow pipe (50) is connected to the annular seal (60); An oil inlet hole (510) is provided on the side wall of the hollow pipe member (50) above the oil drain pipe member (310).

7. The tank structure for a vacuum oil pumping unit according to claim 1, characterized in that: The tank body (10) is connected to a pressure gauge (120).

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