CN212080817U

CN212080817U - Manual grease gun

Info

Publication number: CN212080817U
Application number: CN202020738821.6U
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: 2020-12-04
Anticipated expiration: 2030-05-08

Abstract

The utility model discloses a manual grease gun of annotating, which comprises a pump body, the arbitrary one side position union coupling of the pump body has the cavity, the cavity is kept away from pump body one side threaded connection and is covered after, the back lid is located the internal one end central point of pump and puts fixedly connected with guide arm seat, the guide arm seat is close to pump body one side fixedly connected with guide arm, the guide arm outside runs through sliding connection and has the piston, the fixedly connected with pressure spring between piston and the guide arm seat, the pump body is kept away from one side union coupling of cavity and is connected with the input joint, pump body top position fixedly connected with runs through sliding connection and has the plunger, plunger top position rotates and is connected with the handle bar, the cavity outer wall is close to pump body one side outer wall and runs through. The utility model discloses can pass through negative pressure and vacuum pump with fluid and advance in the pump body, spout fluid high pressure again, oiling pressure is sufficient for satisfy valve or the spare part oiling for having pressure.

Description

Manual grease gun

Technical Field

The utility model relates to a annotate the fat rifle field, especially relate to a manual fat rifle of annotating.

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 inadequately when carrying out the oiling to the valve that inside has pressure for the oiling fails, and among the prior art, makes the oil pumping not full inside and has certain space when the oil pumping, makes to leave the use that the air influences equipment in parts such as some valves when the oiling, and causes pump body oil storage space extravagant.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a manual grease injection gun.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a manual grease gun of annotating, includes the pump body, the arbitrary one side position union coupling of the pump body has the cavity, pump body one side threaded connection is kept away from to the cavity has the back lid, the back lid is located the internal one end central point of pump and puts fixedly connected with guide rod seat, the guide rod seat is close to pump body one side fixedly connected with guide arm, the guide arm outside runs through sliding connection has the piston, fixedly connected with pressure spring between piston and the guide rod seat, the pump body is kept away from one side union coupling of cavity and is had the input joint, pump body top position fixedly connected with runs through sliding connection has the plunger, plunger top position rotates and is connected with the handle bar, the cavity outer wall runs through fixedly connected with air release hole near pump body one.

As a further description of the above technical solution:

and one side of the hand lever, which is close to the plunger, is rotationally connected with the top of the pump body.

As a further description of the above technical solution:

and the pipe at the top of the input joint is connected with a pressure gauge.

As a further description of the above technical solution:

the input connector and the cavity are arranged in a penetrating mode, the plunger is connected with the input connector and the cavity in a penetrating mode in a sliding mode, and a limiting block is arranged at one end, located in the pump body, of the plunger.

As a further description of the above technical solution:

and the position of the side wall of any one side of the pump body is connected with an unloading valve through a pipe.

As a further description of the above technical solution:

and a fixed support is sleeved at the outer wall of the cavity.

As a further description of the above technical solution:

the handle bar is kept away from pump body one end and has been cup jointed the soft cover of rubber, the handle bar is close to plunger one side and is located the plunger and is close to fixedly connected with extension spring between soft cover of rubber one side and the pump body top.

The utility model discloses following beneficial effect has:

the utility model discloses a set up the gas release hole, take out through the gas release hole with the air in the cavity, make to be negative pressure state in the cavity, inject the input joint in the fluid again, rotate the handspike, make the plunger take out from the pump body, make input joint and cavity be and run through the setting, negative pressure vacuum in through the cavity is in drawing fluid into the pump body, make the piston compression pressure spring, make to be full of by fluid in the cavity, it is internal to fill in the pump with the plunger stopper again, if will spout fluid, then pull out the plunger again, make fluid blowout under the effect of pressure spring and piston.

The utility model discloses can pass through negative pressure and vacuum pump with fluid and advance in the pump body, spout fluid high pressure again, oiling pressure is sufficient for satisfy valve or the spare part oiling for having pressure.

Drawings

Fig. 1 is an exploded view of a manual grease gun according to the present invention.

Illustration of the drawings:

1. a handle; 2. a plunger; 3. a pump body; 4. a pressure gauge; 5. an input connector; 6. an unloading valve; 7. air bleeding holes; 8. a cavity; 9. a piston; 10. a pressure spring; 11. a guide bar; 12. a guide rod seat; 13. fixing a bracket; 14. and (7) a rear cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific 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 meaning 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 manual grease injection gun comprises a pump body 3, a cavity 8 is connected with any side position of the pump body 3 through a pipe, grease can be stored through the cavity 8, one side of the cavity 8, far away from the pump body 3, is connected with a rear cover 14 through a thread, the center position of one end, located in the pump body 3, of the rear cover 14 is fixedly connected with a guide rod seat 12, one side, close to the pump body 3, of the guide rod seat 12 is fixedly connected with a guide rod 11, the outer side of the guide rod 11 is connected with a piston 9 in a penetrating and sliding mode, the piston 9 can slide and limit through the guide rod 11, a pressure spring 10 is fixedly connected between the piston 9 and the guide rod seat 12, the piston 9 can move through the pressure spring 10, the grease is extruded out through the piston 9, one side, far away from the cavity 8, of the pump body 3 is connected with an input connector 5 through the pipe, the grease in the cavity 8 is injected, 2 top positions of plunger rotate and are connected with handle bar 1, can pull out or fill in the pump body 3 with plunger 2 through handle bar 1, and the cavity 8 outer wall runs through fixedly connected with gas bleed 7 near 3 one side outer walls of the pump body, is provided with the check valve in the gas bleed 7, can take out the gas in the cavity 8 through gas bleed 7 for be the negative pressure state in the cavity 8, rethread handle bar 1 pulls out plunger 2, through input joint 5 with in the grease suction cavity 8.

The side of the hand lever 1 close to the plunger 2 is rotationally connected with the top of the pump body 3. The top of the input joint 5 is connected with a pressure gauge 4 through a pipe, and the pressure of the grease discharged from the cavity 8 can be monitored through the pressure gauge 4. Input joint 5 runs through the setting with cavity 8, and plunger 2 runs through position sliding connection with input joint 5 and cavity 8, and plunger 2 is located 3 interior one ends of the pump body and is provided with the stopper, avoids pulling out plunger 2 from 3 interior pump bodies. An unloading valve 6 is connected to the position of the side wall of any side of the pump body 3 through a pipe, and the phenomenon that the cavity 8 explodes due to overhigh pressure in the cavity 8 is avoided through the unloading valve 6. The outer wall of the cavity 8 is sleeved with a fixed support 13. The soft cover of rubber has been cup jointed to the one end of the handle bar 1 far away from the pump body 3, and handle bar 1 is close to plunger 2 one side and is located plunger 2 and is close to fixedly connected with extension spring between soft cover of rubber one side and the pump body 3 top, makes the extension spring drive handle bar 1 and plunger 2 reset and blocks up input joint 5 when stopping the oiling.

The working principle is as follows: through taking the air in the cavity 8 out through the louvre 7, be negative pressure state in making the cavity 8, inject input joint 5 into in the fluid again, rotate handle bar 1, make plunger 2 take out from the pump body 3, make input joint 5 be with the cavity 8 and run through the setting, negative pressure vacuum through in the cavity 8 takes oil into in the cavity 8, make piston 9 compression pressure spring 10, make in the cavity 8 full of by fluid, fill in the pump body 3 with plunger 2 again, if will spout fluid, then pull out plunger 2 again, make fluid blowout under the effect of pressure spring 10 and piston 9.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A manual grease gun, includes the pump body (3), its characterized in that: the pump is characterized in that a cavity (8) is connected to any side position of the pump body (3) through a pipe, a rear cover (14) is connected to one side, away from the pump body (3), of the cavity (8) through a thread, a guide rod seat (12) is fixedly connected to the center position of one end, located in the pump body (3), of the rear cover (14), a guide rod seat (12) is fixedly connected to one side, close to the pump body (3), of the guide rod seat (12), a guide rod (11) is fixedly connected to one side, outside of the guide rod (11), is connected with a piston (9) in a penetrating and sliding mode, a pressure spring (10) is fixedly connected between the piston (9) and the guide rod seat (12), an input connector (5) is connected to one side, away from the cavity (8), of the pump body (3) through a penetrating and sliding mode, is connected with a plunger (2), the top position of, a one-way valve is arranged in the air release hole (7).

2. A manual grease gun according to claim 1, characterized in that: one side of the hand lever (1) close to the plunger (2) is rotationally connected with the top of the pump body (3).

3. A manual grease gun according to claim 1, characterized in that: the top of the input joint (5) is connected with a pressure gauge (4) through a pipe.

4. A manual grease gun according to claim 1, characterized in that: the input connector (5) and the cavity (8) are arranged in a penetrating mode, the plunger (2) is connected with the input connector (5) and the cavity (8) in a penetrating mode in a sliding mode, and a limiting block is arranged at one end, located in the pump body (3), of the plunger (2).

5. A manual grease gun according to claim 1, characterized in that: and the position of any side wall of the pump body (3) is connected with an unloading valve (6) through a pipe.

6. A manual grease gun according to claim 1, characterized in that: and a fixed support (13) is sleeved at the outer wall of the cavity (8).

7. A manual grease gun according to claim 1, characterized in that: the handle bar (1) is kept away from one end of the pump body (3) and is sleeved with the rubber soft sleeve, the handle bar (1) is close to one side of the plunger (2) and is located between one side of the plunger (2) close to the rubber soft sleeve and the top of the pump body (3) and is fixedly connected with a tension spring.