Oil injection assist device

Abstract

The utility model relates to an oil injection assist device, which belongs to the technical field of oil injectors and is characterized in that a manual piston pump and a switching unit are arranged on an oil injection cylinder, the switching unit is respectively communicated with an oil inlet and an oil outlet of the manual piston pump through connecting pipelines, and an oil suction pipe and an oil discharge pipe are arranged on the switching unit. The oil suction pipe and the oil discharge pipe are arranged in the oil injection cylinder and outside the oil injection cylinder respectively, and the switching unit is used for switching communication between the oil suction pipe and an oil inlet or an oil outlet of the manual piston pump and switching communication between the oil discharge pipe and an oil inlet or an oil outlet of the manual piston pump. The switching unit is arranged, the connection relation between the oil suction pipe and the manual piston pump and the connection relation between the oil discharge pipe and the manual piston pump can be achieved through the switching unit, namely, oil suction or oil discharge of the oil suction pipe or oil suction or oil discharge of the oil discharge pipe is achieved, and then when the interior of the oil injection barrel needs to be filled with oil, the oil can be injected into the oil injection barrel. Gear oil can be filled into the oil injection cylinder through the manual piston pump.

Description

Technical Field

[0001] The utility model belongs to the technical field of oil injectors, and in particular relates to an oil injection auxiliary device. Background Art

[0002] Oilers are widely used in machine tools, equipment, automobiles, ships and other industries. With the continuous development and progress of industry, the use of lubricating grease, which occupies an important position in machinery, has also received unprecedented attention.

[0003] Currently, manual lubricators have a wide range of applications and can be portable. Compared with electric lubricators, they eliminate the need for batteries or free themselves from the limitations of charging lines. However, existing manual lubricators need to be refilled with new gear oil after use, and require a corresponding oil extractor for extraction and filling, which is very inconvenient. Utility Model Content

[0004] The utility model is to solve the technical problem that the current manual lubricator has a wide application range and can be portable and movable, and compared with the electric lubricator, it saves the battery or frees from the limitation of the charging line, but the existing manual lubricator needs to be refilled with new gear oil after use, and needs to be equipped with a corresponding oil extractor for extraction and filling, which is very inconvenient, and thus an oiling auxiliary device is proposed.

[0005] An oil filling auxiliary device comprises: an oil filling cylinder, wherein a manual piston pump and a switching unit are arranged on the oil filling cylinder, wherein the switching unit is respectively connected with the oil inlet and the oil outlet of the manual piston pump through connecting pipelines, wherein an oil suction pipe and an oil discharge pipe are arranged on the switching unit, wherein the oil suction pipe and the oil discharge pipe are respectively arranged inside and outside the oil filling cylinder, and wherein the switching unit is used for switching the connection between the oil suction pipe and the oil inlet or the oil outlet of the manual piston pump and for switching the connection between the oil discharge pipe and the oil inlet or the oil outlet of the manual piston pump.

[0006] Further, the switching unit includes: a switching shell, a switching chamber is arranged in the switching shell, the switching chamber is a rectangular chamber, a switching plug is arranged in the switching chamber, the switching shell is provided with a driving part for driving the switching plug to move up and down, the switching plug is provided with a first water channel for connecting the oil inlet of the manual piston pump with the oil suction pipe and for connecting the oil outlet of the manual piston pump with the oil discharge pipe, and a second water channel for connecting the oil inlet of the manual piston pump with the oil discharge pipe and for connecting the oil outlet of the manual piston pump with the oil suction pipe.

[0007] Further, the driving part includes: an annular protrusion, an annular protrusion is arranged on the upper end of the switching plug, a thrust spring is arranged in the switching chamber, the thrust spring is placed between the switching plug and the bottom of the switching chamber, a switching switch is rotatably arranged on the switching shell, a rotating chamber is arranged on the switching chamber, the switching switch is connected to a rotating disk arranged in the rotating chamber through a rotating shaft, a switching protrusion is arranged on the lower end surface of the rotating disk, and the switching protrusion cooperates with the annular protrusion to drive the switching plug to move.

[0008] Furthermore, the oil filling cylinder is provided with an auxiliary liquid inlet, and the auxiliary liquid inlet is provided with a plug cover.

[0009] Furthermore, a rotating ventilation component is provided on the plug cover.

[0010] Furthermore, the rotary ventilation assembly includes an eccentric disk, the plug cover is provided with a vent hole, and the eccentric disk is rotatably connected to the plug cover via an eccentric shaft to close the vent hole.

[0011] Furthermore, a filter screen is provided at the vent hole.

[0012] Furthermore, a winding hook is provided on the oil filling cylinder for storing the oil drain pipe.

[0013] Furthermore, casters with a self-locking function are provided at the bottom of the oil filling cylinder.

[0014] Beneficial effects:

[0015] The present application is provided with a switching unit, through which the connection relationship between the oil suction pipe and the oil discharge pipe and the manual piston pump can be realized, that is, the oil suction or oil discharge of the oil suction pipe, or the oil suction or oil discharge of the oil discharge pipe can be realized, and finally when the oil filling cylinder needs to be filled with oil, the manual piston pump can be used to fill the gear oil into the oil filling cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the installation position of the connecting pipeline of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the switching unit of the utility model;

[0019] Figure 4 For this utility model Figure 3 Sectional view of AA in the middle;

[0020] Figure 5 For this utility model Figure 3 Cross-sectional view of the middle BB;

[0021] Figure 6 This is a schematic diagram of the structure of the rotary ventilation component of the utility model;

[0022] Description of the markings in the figure:

[0023] Oil filling cylinder 1, manual piston pump 2, oil inlet 3, oil outlet 4, switching unit 5, switching housing 51, switching chamber 52, switching plug 53, driving part 54, annular protrusion 541, thrust spring 542, switching switch 543, rotating chamber 544, rotating disk 545, switching protrusion 546, first water channel 55, second water channel 56, connecting pipeline 6, oil suction pipe 7, oil discharge pipe 8, auxiliary liquid inlet 9, plug cover 10, rotating ventilation assembly 11, eccentric disk 111, eccentric shaft 112, ventilation hole 113, winding hook 12, caster 13. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the description of the present invention, it should be understood that the terms "upper", "middle", "outer", "inner" and the like indicating directions or positional relationships are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limitations on the present invention.

[0026] Embodiment 1, as Figure 1 - Figure 6 As shown, an oil filling auxiliary device comprises: an oil filling cylinder 1, on which a manual piston pump 2 and a switching unit 5 are provided, and the switching unit 5 is respectively connected with the oil inlet 3 and the oil outlet 4 of the manual piston pump 2 through a connecting pipeline 6, and the switching unit 5 is provided with an oil suction pipe 7 and an oil discharge pipe 8, and the oil suction pipe 7 and the oil discharge pipe 8 are respectively arranged inside and outside the oil filling cylinder 1, and the switching unit 5 is used for switching the connection between the oil suction pipe 7 and the oil inlet 3 or the oil outlet 4 of the manual piston pump 2 and for switching the connection between the oil discharge pipe 8 and the oil inlet 3 or the oil outlet 4 of the manual piston pump 2.

[0027] Among them, the manual piston pump 2 and the switching unit 5 can be detachably installed on the top of the oil filling cylinder 1, the oil suction pipe 7 and the oil discharge pipe 8 are both flexible pipes, the end of the oil suction pipe 7 is located at the bottom of the oil filling cylinder 1, and the oil outlet 4 can pass through the top of the oil filling cylinder 1, and can also be connected to the external oil suction pipe 7 through the adapter set at the top of the oil filling cylinder 1.

[0028] The present application is provided with a switching unit 5, through which the connection relationship between the oil suction pipe 7 and the oil discharge pipe 8 and the manual piston pump 2 can be realized, that is, the oil suction or oil discharge of the oil suction pipe 7, or the oil suction or oil discharge of the oil discharge pipe 8 can be realized, and finally when the oil filling cylinder 1 needs to be filled with oil, the manual piston pump 2 can be used to fill the gear oil into the oil filling cylinder 1.

[0029] In the second embodiment, the switching unit 5 comprises: a switching housing 51, a switching chamber 52 is arranged in the switching housing 51, the switching chamber 52 is a rectangular chamber, a switching plug 53 is arranged in the switching chamber 52, a driving part 54 for driving the switching plug 53 to move up and down is arranged on the switching housing 51, and a first water pump 53 is arranged on the switching plug 53 for connecting the oil inlet 3 of the manual piston pump 2 with the oil suction pipe 7 and for connecting the oil outlet 4 of the manual piston pump 2 with the oil discharge pipe 8. The first water channel 55 and the second water channel 56 for connecting the oil inlet 3 of the manual piston pump 2 with the oil drain pipe 8 and for connecting the oil outlet 4 of the manual piston pump 2 with the oil suction pipe 7 are arranged in this way. In this application, two groups of channels, namely the first water channel 55 and the second water channel 56, are arranged on the switching plug 53. The two channels are arranged up and down, and then the switching plug 53 moves up and down to realize the switching of the water channels, which is convenient for filling the gear oil into the oiler. The rectangular chamber can ensure that the switching plug 53 does not choose to move only vertically and linearly.

[0030] In the third embodiment, the driving part 54 comprises: an annular protrusion 541, an annular protrusion 541 is arranged on the upper end of the switching plug 53, a thrust spring 542 is arranged in the switching chamber 52, and the thrust spring 542 is placed between the switching plug 53 and the bottom of the switching chamber 52. A switching switch 543 is rotatably arranged on the switching shell 51, and a rotating chamber 544 is arranged on the switching chamber 52. The switching switch 543 is connected to a rotating disk 545 arranged in the rotating chamber 544 through a rotating shaft, and a switching protrusion 546 is arranged on the lower end surface of the rotating disk 545. The switching protrusion 546 cooperates with the annular protrusion 541 to drive the switching plug 53 to move. With such a configuration, the operator can rotate the switching switch 543 to make the switching plug 53 move up and down to realize switching, which is convenient and quick.

[0031] Embodiment 4: The oil filling cylinder 1 is provided with an auxiliary liquid inlet 9, the auxiliary liquid inlet 9 is provided with a plug cover 10, the plug cover 10 is provided with a rotating ventilation assembly 11, and the rotating ventilation assembly 11 comprises: an eccentric disk 111, the plug cover 10 is provided with a vent hole 113, the eccentric disk 111 is rotatably connected to the plug cover 10 through an eccentric shaft 112, and is used to close the vent hole 113, and a filter is provided at the vent hole 113. In this way, the vent hole 113 is provided to ensure that the pressure inside the oil filling cylinder 1 is the same as that outside, thereby ensuring smooth oil injection of the oil filling cylinder 1, and at the same time, the eccentric disk 111 and the filter are provided to ensure the environment inside the oil filling cylinder 1 to prevent debris from entering the oil filling cylinder 1.

[0032] In the fifth embodiment, the oil filling cylinder 1 is provided with a winding hook 12 for storing the oil drain pipe 8, and the bottom of the oil filling cylinder 1 is provided with casters 13 with a self-locking function. Such a configuration facilitates movement, saves the operator's physical strength, and improves work efficiency.

[0033] Working process:

[0034] Oil filling: First, the operator removes the oil discharge pipe 8 wound on the winding hook 12, and adjusts the switching switch 543 to be in the oil filling state, that is, the oil inlet 3 of the manual piston pump 2 is connected to the oil suction pipe 7 through the connecting pipe 6 and the first water channel 55, and the oil outlet 4 of the manual piston pump 2 is connected to the oil discharge pipe 8 through the connecting pipe 6 and the first water channel 55, and the gear oil in the oil filling cylinder 1 is extracted by manually driving the manual piston pump 2;

[0035] Oil replenishment: first, the operator inserts the oil drain pipe 8 into the oil barrel storing a large amount of gear oil, and rotates the switching switch 543 to put it in the oil extraction state, that is, the oil inlet 3 of the manual piston pump 2 is connected with the oil drain pipe 8 through the connecting pipe 6 and the second water channel 56, and the oil outlet 4 of the manual piston pump 2 is connected with the oil suction pipe 7 through the connecting pipe 6 and the second water channel 56. The manual piston pump 2 is manually driven to extract gear oil from the oil barrel storing a large amount of gear oil and inject it into the oil filling cylinder 1.

[0036] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0037] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An oil filling auxiliary device, characterized in that: include: An oil filling cylinder (1) is provided with a manual piston pump (2) and a switching unit (5), the switching unit (5) being connected to the oil inlet (3) and the oil outlet (4) of the manual piston pump (2) via a connecting pipeline (6), the switching unit (5) being provided with an oil suction pipe (7) and an oil discharge pipe (8), the oil suction pipe (7) and the oil discharge pipe (8) being arranged inside the oil filling cylinder (1) and outside the oil filling cylinder (1), respectively, the switching unit (5) being used for switching the connection between the oil suction pipe (7) and the oil inlet (3) or the oil outlet (4) of the manual piston pump (2), and for switching the connection between the oil discharge pipe (8) and the oil inlet (3) or the oil outlet (4) of the manual piston pump (2).

2. The oil filling aid according to claim 1, characterized in that: The switching unit (5) comprises: a switching housing (51), a switching chamber (52) being arranged in the switching housing (51), the switching chamber (52) being a rectangular chamber, a switching plug (53) being arranged in the switching chamber (52), a driving part (54) being arranged on the switching housing (51) for driving the switching plug (53) to move up and down, a first water channel (55) being arranged on the switching plug (53) for connecting the oil inlet (3) of the manual piston pump (2) with the oil suction pipe (7) and for connecting the oil outlet (4) of the manual piston pump (2) with the oil discharge pipe (8), and a second water channel (56) being arranged on the switching plug (53) for connecting the oil inlet (3) of the manual piston pump (2) with the oil discharge pipe (8) and for connecting the oil outlet (4) of the manual piston pump (2) with the oil suction pipe (7).

3. The oil filling aid according to claim 2, characterized in that: The driving part (54) comprises: an annular protrusion (541), the upper end of the switching plug (53) is provided with an annular protrusion (541), the switching chamber (52) is provided with a thrust spring (542), the thrust spring (542) is placed between the switching plug (53) and the bottom of the switching chamber (52), a switching switch (543) is rotatably provided on the switching housing (51), a rotating chamber (544) is provided on the switching chamber (52), the switching switch (543) is connected to a rotating disk (545) provided in the rotating chamber (544) via a rotating shaft, the lower end surface of the rotating disk (545) is provided with a switching protrusion (546), and the switching protrusion (546) cooperates with the annular protrusion (541) to drive the switching plug (53) to move.

4. The oil filling aid according to claim 1, characterized in that: The oil filling cylinder (1) is provided with an auxiliary liquid inlet (9), and the auxiliary liquid inlet (9) is provided with a plug cover (10).

5. The oil filling aid according to claim 4, characterized in that: The plug cover (10) is provided with a rotary ventilation component (11).

6. The oil filling aid according to claim 5, characterized in that: The rotary ventilation assembly (11) comprises an eccentric disk (111), a ventilation hole (113) is provided on the plug cover (10), and the eccentric disk (111) is rotatably connected to the plug cover (10) via an eccentric shaft (112) for closing the ventilation hole (113).

7. The oil filling aid according to claim 6, characterized in that: A filter screen is provided at the vent hole (113).

8. The oil filling aid according to claim 1, characterized in that: The oil filling cylinder (1) is provided with a winding hook (12) for receiving the oil drain pipe (8).

9. The oil filling aid according to claim 1, characterized in that: A caster (13) with a self-locking function is arranged at the bottom of the oil filling cylinder (1).

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