CN111536407A

CN111536407A - Hydraulic grease injection pump

Info

Publication number: CN111536407A
Application number: CN202010379907.9A
Authority: CN
Inventors: 李华侨
Original assignee: Nanjing Meiouhua Electromechanical Equipment Co ltd
Current assignee: Nanjing Meiouhua Electromechanical Equipment Co ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2020-08-14

Abstract

The invention discloses a hydraulic grease injection pump which comprises a pump body, wherein a cavity is connected with any one side of the pump body through a pipe, an oil tank is connected with one side of the pump body, which is far away from the cavity, through threads, an oil tank cover is connected with one side of the oil tank, which is far away from the pump body, through threads, an outlet gland is connected with one side of the cavity, which is far away from the pump body, a piston is arranged on the inner wall of the cavity, a tension spring is fixedly connected with one side of the piston, which is close to the pump body, through a fixed shaft, one side of the tension. The invention adopts hydraulic technique to fill oil and pump oil, so that the oil filling pump is more convenient and labor-saving to use, the labor intensity is greatly reduced, and the oil filling pressure is enough.

Description

Hydraulic grease injection pump

Technical Field

The invention relates to the technical field of grease injection pumps, in particular to a hydraulic grease injection pump.

Background

Grease injection guns, also known as grease guns and grease injection cavities, are hand tools for filling lubricating grease into mechanical equipment. It can be selectively equipped with iron gun rod (iron gun head) or flexible tube (flat gun head) oil-filling nozzle. An iron gun rod (iron gun head) can be used in a place where the oiling position is convenient to be in a spacious space, the oiling position is hidden, and a hose (flat gun head) is needed to be used for oiling in a place where a corner is wiped. The grease gun has the advantages of simple operation, convenient carrying and wide application range, is a necessary tool for vast agricultural machinery operators and maintenance centers, and comprises a handle, a gun head, a gun barrel and a handle, wherein the grease gun can be divided into a tip nozzle and a flat nozzle, accessories are divided into a hose and a hard tube, the inside of the gun barrel is composed of a leather cup, a spring, a steel ball, an exhaust screw and the like, and the grease gun comprises a pneumatic grease gun, a manual grease gun, a pedal grease gun, an electric grease gun and the like.

Annotate the fat rifle among the prior art pressure when having the valve of pressure to the inside pressure and annotate the oil inadequately for the oiling is failed, and the oiling machine that provides power among the prior art purely manually is comparatively hard, makes intensity of labour increase in the use.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a hydraulic grease injection pump.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a hydraulic grease injection pump, includes the pump body, the arbitrary one side position union coupling of the pump body has the cavity, cavity one side threaded connection has the oil tank is kept away from to the pump body, pump body one side threaded connection has the fuel tank cap is kept away from to the oil tank, pump body one side threaded connection has the export gland is kept away from to the cavity, the cavity inner wall is provided with the piston, the piston is close to pump body one side fixedly connected with extension spring, the extension spring is kept away from piston one side and is passed through fixed axle and pump body inner wall fixed connection, the oil tank intussusepti.

As a further description of the above technical solution:

the outer wall of the cavity is fixedly connected with two symmetrically arranged fixed supports.

As a further description of the above technical solution:

the pump body inner tube is connected with the combination valve, the position of the top of the pump body is observed and is slidably connected with the plunger, one side of the top of the pump body, which is close to the oil tank, is fixedly connected with a pressing hand connecting plate, and the position of the pressing hand connecting plate is rotatably connected with a pressing hand.

As a further description of the above technical solution:

the plunger is rotatably connected with the bottom of the pressing hand, and one side of the side part of the pressing hand, which is far away from the pressing hand connecting plate, is rotatably connected with a limiting hook.

As a further description of the above technical solution:

the hand lever is sleeved on one side, away from the oil tank, of the thumb press, and the rubber leather sheath is sleeved on one side, away from the thumb press, of the hand lever.

As a further description of the above technical solution:

the cavity, the oil tank, the outlet gland and the oil tank cover are made of forty-five steel, and the cavity and the oil tank are made of seamless steel tubes.

As a further description of the above technical solution:

the piston is connected with the inner wall of the cavity in a sliding manner.

The invention has the following beneficial effects:

according to the invention, the oil tank is arranged, the plunger is moved up and down through the pressing handle rod, hydraulic oil in the oil tank is injected into the cavity through the combination valve, the piston is extruded towards one side of the outlet gland, oil stored in the cavity is discharged through the outlet gland and injected into the cavity of the valve, after the oil injection is finished, the outlet gland is placed into the oil, the hydraulic oil in the cavity is recovered into the oil tank, so that the piston is pulled towards one side of the pump body under the action of the tension spring, and the oil is pumped into the cavity.

The invention adopts hydraulic technique to fill oil and pump oil, so that the oil filling pump is more convenient and labor-saving to use, the labor intensity is greatly reduced, and the oil filling pressure is enough.

Drawings

Fig. 1 is an exploded view of a hydraulic grease pump according to the present invention.

Illustration of the drawings:

1. a handle; 2. pressing a hand; 3. a limiting hook; 4. a plunger; 5. pressing a hand connecting plate; 6. a combination valve; 7. a fuel tank cap; 8. an oil tank; 9. an unloading valve; 10. a pump body; 11. a tension spring; 12. a piston; 13. a cavity; 14. fixing a bracket; 15. an outlet gland.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, the present invention provides an embodiment: a hydraulic grease injection pump comprises a pump body 10, a cavity 13 is connected to any side of the pump body 10 through a pipe, oil can be stored through the cavity 13, an oil tank 8 is connected to one side of the pump body 10 far from the cavity 13 through a thread, hydraulic oil can be pushed into the cavity 13 through the oil tank 8, a piston 12 is moved and extends through a tension spring 11, the piston 12 can discharge the oil in the cavity 13 through an outlet gland 15, an oil tank cover 7 is connected to one side of the oil tank 8 far from the pump body 10 through a thread, the oil tank 8 can be sealed through the oil tank cover 7, the outlet gland 15 is connected to one side of the cavity 13 far from the pump body 10 through a thread, a piston 12 is arranged on the inner wall of the cavity 13, the tension spring 11 is fixedly connected to one side of the piston 12 close to the pump body 10, one side of the tension spring 11 far from the piston 12 is fixedly connected, so that the outlet gland 15 pumps oil and stores the oil in the cavity 13, the oil tank 8 is filled with hydraulic oil, and the side wall pipe of the pump body 10 is connected with the unloading valve 9.

Two symmetrically arranged fixing brackets 14 are fixedly connected to the outer wall of the cavity 13. The pump body 10 is connected with the combination valve 6 in the inner tube, and the top position of the pump body 10 is observed and is connected with the plunger 4 in a sliding manner, and the top of the pump body 10 is close to one side of the oil tank 8 and is fixedly connected with the pressing hand connecting plate 5, and the pressing hand connecting plate 5 is connected with the pressing hand 2 in a rotating manner. The plunger 4 is connected with the bottom of the pressing hand 2 in a rotating way, and the side of the pressing hand 2 far away from the pressing hand connecting plate 5 is connected with the limiting hook 3 in a rotating way. Hand lever 1 has been cup jointed to 8 one sides of keeping away from oil tank of thumb press 2, and hand lever 1 keeps away from 2 one sides of thumb press and has been cup jointed the rubber leather sheath, and the rubber leather sheath can protect hand skin, avoids using for a long time after hand skin to lead to wearing out by the friction of hand lever 1. The cavity 13, the oil tank 8, the outlet gland 15 and the oil tank cover 7 are made of forty-five steel, the cavity 13 and the oil tank 8 are made of seamless steel pipes, the steel 45 is hard, the cylinder body is not easy to explode, and the surface of the cavity 13, the oil tank 8, the outlet gland 15 and the oil tank cover 7 can be effectively prevented from being decorated by spraying antirust paint on the surface. The piston 12 is slidably connected with the inner wall of the cavity 13, and the piston 12 can withdraw or draw in oil by sliding the piston 12 with the inner wall of the cavity 13.

The working principle is as follows: make plunger 4 reciprocate through pressing handle pole 1, make to pour into the cavity 13 through the hydraulic oil of combination valve 6 in with oil tank 8 into, make piston 12 extruded toward export gland 15 one side, make the oil of storing in the cavity 13 discharge through export gland 15, pour into the intracavity of valve into, after the oiling through putting into the grease bucket with export gland 15, through retrieving the oil tank 8 with the hydraulic oil in the cavity 13 in, make piston 12 with piston 12 toward pump body 10 one side pulling under the effect of extension spring 11, take out the grease in the cavity 13.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A hydraulic grease injection pump comprises a pump body (10), and is characterized in that: the utility model discloses a hydraulic pump, including pump body (10), pump body (10) arbitrary one side position pipe connection have cavity (13), cavity (13) one side threaded connection has oil tank (8) is kept away from in pump body (10), oil tank (8) are kept away from pump body (10) one side threaded connection have fuel tank cap (7), cavity (13) are kept away from pump body (10) one side threaded connection have export gland (15), cavity (13) inner wall is provided with piston (12), piston (12) are close to pump body (10) one side fixedly connected with extension spring (11), extension spring (11) are kept away from piston (12) one side and are passed through fixed axle and pump body (10) inner wall fixed connection, the oil tank (8) intussuseption is filled with hydraulic oil, pump body (10).

2. The hydraulic grease pump according to claim 1, wherein: the outer wall of the cavity (13) is fixedly connected with two symmetrically arranged fixed supports (14).

3. The hydraulic grease pump according to claim 1, wherein: the pump body (10) inner tube connection has combination valve (6), sliding connection has plunger (4) is observed to pump body (10) top position, pump body (10) top is close to oil tank (8) one side fixedly connected with press hand even board (5), press hand even board (5) position is rotated and is connected with press hand (2).

4. A hydraulic grease pump according to claim 3, wherein: the plunger (4) is rotatably connected with the bottom of the pressing hand (2), and one side of the lateral part of the pressing hand (2), which is far away from the pressing hand connecting plate (5), is rotatably connected with a limiting hook (3).

5. The hydraulic grease pump according to claim 1, wherein: the hand lever (1) is sleeved on one side, away from the oil tank (8), of the pressing hand (2), and the rubber leather sheath is sleeved on one side, away from the pressing hand (2), of the hand lever (1).

6. The hydraulic grease pump according to claim 1, wherein: the cavity (13), the oil tank (8), the outlet gland (15) and the oil tank cover (7) are all made of forty-five steel, and the cavity (13) and the oil tank (8) are all made of seamless steel pipes.

7. The hydraulic grease pump according to claim 1, wherein: the piston (12) is connected with the inner wall of the cavity (13) in a sliding manner.