CN2392068Y

CN2392068Y - Pneumatic grease gun

Info

Publication number: CN2392068Y
Application number: CN 99242849
Authority: CN
Inventors: 徐文清
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-09-12
Filing date: 1999-09-12
Publication date: 2000-08-16
Anticipated expiration: 2009-09-12

Abstract

The utility model discloses a pneumatic grease gun. A turnover cylinder which can automatically load and unload grease is arranged on the upper side of the body of the grease gun. A main oil passage, an auxiliary oil passage, and an oil inlet valve are arranged on the front side of a gun body. A center air passage and a switch handle for an exhaust valve are arranged on a gun handle, and an upper air passage, a lower air passage, and an air chamber are arranged in the gun body. In addition, the front side of the air chamber is provided with a piston, a plunger piston, and a one way valve which are used for extruding the grease. When the utility model is used, the grease is transported to a lubricating part through air pressure.

Description

Pneumatic grease gun

The utility model relates to a kind of fueling vehicle, is a kind of butter nozzle that vehicle and equipment are used that maintains.

All kinds of butter nozzles of Xiao Shouing in the market need directly to take butter with hand and load in gun barrel during charge of oil, body of a gun during filling, be oil entirely on hand, not only waste but also unhygienic.The plastic bag of packing butter squeezes unclean, can dig, is dropped into where where to pollute, and can't recycle.Moreover packed oil plant also very easily is infected with the impurity and the grains of sand, and these impurity grains of sand are careless slightly just can be inserted in the rifle with butter, stops up rifle mouth and oil duct, caused inconvenience and trouble.

The purpose of this utility model is at above-mentioned defective, and a kind of pneumatic grease gun and butter Epicyclic drum matching used with it and charge of oil bucket are provided, and need not directly take butter with hand again during charge of oil.

Scheme of the present utility model by rifle body, butter Epicyclic drum, plunger, oiling valve, outlet valve, bat-handle switch, pressure-limit valve, charge of oil bucket etc. form.The upper end of rifle body is provided with accumulator cavity and butter Epicyclic drum, and Epicyclic drum is installed in the cavity of accumulator.The front side of accumulator is shaped on secondary oil duct, and bonnet is equipped with in the rear end of accumulator cavity, and the rifle body of bonnet front side is provided with air flue and pressure-limit valve, and valve body is provided with vent, and the middle part of pikestaff is shaped on central airway, the air flue joint is equipped with in the bottom.The bottom side of accumulator is shaped on plunger bushing, plunger is housed in the cover, return spring is equipped with in the outside of plunger, the rear end of spring withstands on the obturating plug of plunger, piston is equipped with in the rear end of obturating plug, be shaped on downtake, outlet valve and gas bleeder valve on the rifle body of piston rear side, the downside of outlet valve is equipped with air valve switch, and air valve switch and exhasut valve stem are installed on the bat-handle switch.The front end of plunger is provided with one-way valve and main oil gallery, and the main oil gallery outlet is connected the front end of secondary oil duct, is shaped on the rifle mouth in the outlet of oil duct front end.Outlet valve is equipped with in the front side of one-way valve, and upside is equipped with oiling valve, and the inlet of oiling valve is installed in the lower end of secondary oil duct, on the secondary oil duct of oiling valve front side the oil duct switch is housed, and the plunger bushing back lower side is provided with air-vent.

The butter Epicyclic drum is one microscler cylindric, and the front side of tube is shaped on outside thread, and piston is equipped with in the rear end, be installed in during use in the accumulator cavity, taking-up on the charge of oil mouth of charge of oil bucket, is opened the charge of oil switch with the screw threads for fastening of Epicyclic drum front end during charge of oil, can be full of butter automatically.

The upper end of charge of oil bucket is provided with bung, and the upside bung of bung is provided with press strip, and charging air inlet, barometer and bleed valve are equipped with in the middle part of bung, in the bucket piston is housed, and seal ring is housed on the piston, and switch and charge of oil mouth are equipped with in the bottom side of bucket, are shaped on internal thread on the charge of oil mouth.

Adopt the grease gun of this structure to use light, health, also reduced the pollution of environment and the waste of oil plant simultaneously.

Did step explanation below in conjunction with accompanying drawing:

Fig. 1 is an air pressure grease gun structural representation;

Fig. 2 is a butter Epicyclic drum structural representation;

Fig. 3 is a charge of oil barrel structure schematic representation.

The upper end of rifle body is provided with accumulator cavity 5 among Fig. 1, and butter Epicyclic drum 6 is installed in the cavity, and the Epicyclic drum rear side is equipped with piston 7, and the front end of accumulator is provided with secondary oil duct 4, and the rear end of accumulator is shaped on internal thread 8, and bonnet 9 is installed on the screw thread.Be shaped on air flue 10, pressure-limit valve 11 on the rifle body of the preceding bottom side of bonnet, valve body is provided with vent 41.The middle part of pikestaff 15 is provided with central airway 16, and air flue joint 17 is equipped with in the bottom.The bottom side of accumulator is provided with plunger bushing 24, and plunger 23 is housed in the cover, and return spring 22 is equipped with in the outside of plunger, and the rear end of return spring withstands on the obturating plug 21 of plunger, and the rear side of obturating plug is equipped with plunger piston 12.Be shaped on downtake 13, gas bleeder valve 14, outlet valve 20 behind the plunger piston on the rifle body of downside, the downside of outlet valve is equipped with air valve switch 18, and air valve switch and exhasut valve stem are installed on the bat-handle switch 19.The front side of plunger is provided with single internal valve 25, main oil gallery 27, and the oil outlet of main oil gallery is connected the front end of secondary oil duct, is provided with rifle mouth 1 in the outlet port of oil duct front end.Outlet valve 26 is equipped with in the front side of one-way valve, and upside is equipped with oiling valve 3, and the inlet of oiling valve is connected the downside of secondary oil duct, on the secondary oil duct of oiling valve front side oil duct switch 2 is housed, and the bottom side of plunger bushing rear end is provided with air-vent 40.

Oil gun installs the butter Epicyclic drum before use earlier, connects air flue joint 17, and air pressure is in central airway 16 enters the rifle body, enter Epicyclic drum by pressure-limit valve 11 through last air flue 10 again, promote piston 7 reaches, piston pushes the butter in the tube forward, and butter is in oiling valve 3 enters check valve body 25.During oiling grease gun nozzle is aimed at the grease nipple of lubricant housings, inwardly move bat-handle switch 19 with hand, move after the bat-handle switch and open air valve switch 18, be installed in simultaneously to move behind the exhasut valve stem on the bat-handle switch and close gas bleeder valve 14, from the air pressure of central airway through air valve switch, downtake 13, enter air chamber and promote piston and plunger advancement, butter is extruded from outlet valve 26, enter the lubricant housings by main oil gallery 27.When plunger arrived stop, release handle switch 19 was promptly opened gas bleeder valve, closed the disconnected air pressure that falls into into downtake of air valve switch simultaneously, and the air pressure that remains in the plunger bushing releases through gas bleeder valve.Plunger moves after under the effect of return spring, make front end produce negative pressure, the oiling valve that is contained in simultaneously on the secondary oil duct continues fuel feeding in plunger cavity again under the Epicyclic drum pressure by air pressure, after the plunger cavity butter is filled with, oiling valve is under the effect of spring, automatically close, the moving handle switch repeats above-mentioned work again.The pressure-limit valve that is contained on the pressure channel is the atmospheric pressure that air flue is gone up in control, closes when exceeding standard, and opens automatically during decline, to guarantee the proper functioning of oil gun.

The front end of the butter Epicyclic drum shown in Fig. 2 is shaped on outside thread 28, in the tube piston 7 is housed, and seal ring 29 is equipped with in the outside of piston.

Bung 34 is equipped with in the upper end of charge of oil bucket among Fig. 3, and the upside bung of bung is provided with press strip 30, and charging air inlet 33, barometer 32, bleed valve 31 are equipped with in the middle part of bung, in the bucket piston 36 is housed, and piston is provided with oil sealing 37, and seal ring 35 is equipped with in the outside of bung.Charge of oil mouth 39, oil drain cock 38 are equipped with in the bottom side of bucket, and the inboard of charge of oil mouth is shaped on internal thread, and the outside thread of internal thread and Epicyclic drum is complementary.

Claims

1, a kind of pneumatic grease gun, by the rifle body, the butter Epicyclic drum, plunger, oiling valve, outlet valve, pressure-limit valve, compositions such as bat-handle switch and charge of oil bucket, it is characterized in that: the upper end of rifle body is provided with accumulator cavity (5), butter Epicyclic drum (6) is housed in the cavity, the front side of accumulator is provided with secondary oil duct (4), the rear end of accumulator cavity is provided with screw thread (8), bonnet (9) is housed on the screw thread, the rifle body of bonnet front side is provided with air flue (10), pressure-limit valve (11), valve body is provided with vent (41), and the middle part of pikestaff is provided with central airway (16), and air flue joint (17) is equipped with in the bottom of pikestaff, the bottom side of accumulator is provided with plunger bushing (24), plunger (23) is housed in the cover, and return spring (22) is equipped with in the outside of plunger, and the rear end of spring withstands on the obturating plug of plunger (21).Piston (12) is equipped with in the rear end of stick harness, the rifle body of piston rear side is provided with downtake (13), outlet valve (20), gas bleeder valve (14), the downside of outlet valve is equipped with air valve switch (18), air valve switch and exhasut valve stem are installed and are connected on the bat-handle switch (19), the front end of plunger is provided with one-way valve (25), main oil gallery (27), the outlet of main oil gallery is connected the front end of secondary oil duct (4), in the outlet of oil duct front end, be shaped on rifle mouth (1), the front end of one-way valve is equipped with outlet valve (26), upside is equipped with oiling valve (3), the inlet of oiling valve is located at the lower end of secondary oil duct, oil duct switch (2) is housed on the secondary oil duct of oiling valve front side, and the plunger bushing bottom side is provided with air-vent (40).

2, pneumatic grease gun according to claim 1 is characterized in that: the butter Epicyclic drum is one microscler cylindric, and the front side of tube is shaped on outside thread (28), and piston (7) is equipped with in the rear end, and the outside of piston is provided with seal ring (29).

3, pneumatic grease gun according to claim 1, it is characterized in that: the upper end of grease bucket is provided with bung (34), the upside bung of bung is provided with press strip (30), charging air inlet (33), barometer (32), bleed valve (31) are equipped with in the middle part of bung, in the bucket piston (36) is housed, piston is provided with oil sealing (37), seal ring (35) is equipped with in the outside of bung, charge of oil mouth (39), oil drain cock (38) are equipped with in the bottom side of bucket, the inboard of charge of oil mouth is provided with internal thread, and the outside thread of internal thread and Epicyclic drum is complementary.