CN2276596Y - Hand hydraulic oil grease squirt - Google Patents

Abstract

The utility model provides a hand-operated hydraulic oil grease squirt which comprises an oil squirting upper cylinder and a hydraulic jack, wherein, the two parts are connected through a connecting seat, a piston which is arranged in a jack is moved upwards by a handle of the hydraulic jack which is operated by the connecting seat, a piston which is arranged in the cylinder is directly driven to synchronously move upwards, oil grease in the cylinder is extruded from the outside of a transition joint to a high-pressure oil pipe which is connected with the transition joint, and the oil grease is filled in an oil containing machine. The connecting mode of the machine is simple and reliable. The utility model has the advantages of simple and reasonable structure, easy manufacture, low cost, mature skill, convenient operation, low failure rate, little maintenance quantity, long service life, high oil yield rate and successive oil supply mode.

Description

Hand-hydraulic grease Lubricators

The utility model relates to a kind of oiling device, and especially a kind of tramcar wheel filling lubricant grease that is suitable under the mine also is applicable to need the annotate occasion of lubricant grease of other mechanical industry.

Because it is big that grease itself has denseness, not runny characteristics, it be injected needs lubricated mechanical device, must just can finish by plus-pressure.The domestic and international at present manual grease oil gun that uses, take two kinds of fuel system: the one, self-priming structure utilizes negative pressure with grease inspiration oil cylinder, is extruded by piston again; The 2nd, adopt spring to add structure of piston, form the precompressed fuel feeding, though these two kinds manual grease oil guns all can be finished the oiling action, but the general oiling efficient of these modes is low, its volume is little, and oil filling amount is little, and the grease of self-priming fuel feeding store oil is inhaled unclean, fuel feeding is insufficient, the inconvenient operation of spring.The patent No. of Chu Xianing is 90200777.7 high flow manual grease oil gun in recent years, because it adopts pneumatic and hydraulic operating system, so it exists part accuracy of manufacturing and assembly precision all to have relatively high expectations, the easily damaged parts wearing and tearing are changed frequent, the repair rate height, complex structure, defectives such as cost height.

The purpose of this utility model is for overcoming the deficiency in the above-mentioned prior art, and design a kind of of many uses, simple in structure, cheap, safe and reliable, easy to use, the grease Lubricators that the life-span is long.

Task of the present utility model is implemented as follows.A kind of hand-hydraulic grease Lubricators, it comprises oil pressure gauge, O RunddichtringO, bolt, hydraulic jack and draining screw; It also comprises the connecting base that is connected with hydraulic jack and oiling upper cylinder body, be equipped with in the cylinder body piston and on the O RunddichtringO, the upper end roof anchorage has upper end cap and goes up fixing transit joint, the underpart is fixed with lower end cap, lower end cap one side also is fixed with a porous plug, its center is threaded with connecting base, described connecting base is individual middle be hexagon or square or quadrant, it all connects a cylindrical body up and down, upper cylinder is the outside thread post, there is through hole at the connecting base center, and it is tapped hole that there are seal groove, bottom in the through hole middle part; The intermediate piston of jack can drive on the piston and move along moving on the center hole.Described piston is a short cylinder, and a plurality of toroidal cavities are arranged on its cylindrical, and there is a circular groove at the center, lower end surface, and its outside also has an annular groove to communicate with porous plug, and its center, upper-end surface has a tapped hole to be connected with bolt.Described upper end cap is cylindrical, and the top profile is hexagon or square or flat, and there is tapped hole at the center, and it communicates with the interior cone shape hole of bottom big column, and the big column hypomere is an outside thread.Described transit joint is that a middle part is hexagon or square body, and its upper and lower end respectively connects an externally threaded cylindrical body, and there is through hole at the center.

The utility model has following advantage compared with the prior art: this machine mainly is made up of oiling upper cylinder body and hydraulic jack two-part, connect with connecting base in the middle of it, its Placement and simple and reasonable for structure, reliable, it adopts hydraulic jack to pressurize to Lubricators, technology maturation, reliable operation, easy to operate, long service life, the safety coefficient height, rate of fault is low, and amount of maintenance is low, manufacturing process is simple, be easy to be processed into, with low cost, and its oil yielding rate height, fuel system can be continuous, and is of many uses.

Description of drawings:

Accompanying drawing is a structural drawing of the present utility model.

Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail, as shown in drawings, it is by oil pressure gauge 1, porous plug 2, O RunddichtringO 3, piston 4, cylinder body 5, transit joint 6, loam cake 7, bolt 8, lower end cap 9, connecting base 10, hydraulic jack 11 and draining screw 12 etc. are formed, wherein porous plug 2 is repacked into by a lubricating cup, for preventing that dust from entering the built-in sponge in cylinder body 5 bottoms, open a plurality of apertures on its end cap, it is threaded with lower end cap 9, the cylinder body cavity of resorption is communicated with outside atmosphere, it is mainly used in piston 4 when moving down, and it is outer to eliminate the negative pressure that piston motion produces that its bottom gas is discharged cylinder body; Piston 4 is short cylinders, there is a tapped hole at its center, upper-end surface, so that be connected with bolt 8, the groove that a plurality of installation O RunddichtringO 3 usefulness are arranged on its excircle, there is individual round recessed at its center, lower end surface, location usefulness when being the lifting of jack cylinder, there is toroidal cavity its outer ring, and the endoporus of porous plug 2 is communicated with this groove; Bolt 8 mainly is to be used to block tapped hole when flat, when the O RunddichtringO on the piston 4 need be changed, removes bolt 8, screws and piston 4 taking-ups can be changed easily with long leading screw and the tapped hole on it again.Cylinder body 5 is circular cylinder bodies made from seamless steel pipe, and its upper inside wall has internal thread, and its internal diameter and piston 4 are Spielpassung; Transit joint 6 is that an intermediate section is regular hexagon or square or flat cylinder, its upper end and lower end respectively connect a short thread post, and there is through hole at its center, and the lower end is threaded with upper end cap 7, last termination high-pressure oil pipe, and by in ball valve, the jet blower injection refueled aircraft device; Upper end cap 7 is the short cylinders that ironcasting is made, an outer-hexagonal shape of upper-end surface central protuberance cylinder, its center has the interior cone shape hole of tapped hole and bottom big column to communicate, and has outside thread to be connected with cylinder body 5 on its lower end cylindrical, and the tapped hole of central upper portion is connected with transit joint 6; Lower end cap 9 is discs, and respectively there is a tapped hole at one side and center, and the tapped hole of side is threaded with porous plug 2, and it and the welding of cylinder body 5 underparts are fixed; Connecting base 10 is stepped shaft short cylinders made from the 45# steel, middle part major part is hexagon or square or flat cylinder, the upper end is the outside thread post, it is connected with lower end cap 9, the lower end cylindrical cooperates with the jack shell, play the role of positioning, there is through hole at the connecting base center, there is the annular groove of dress seal ring at the through hole middle part, the through hole bottom is a tapped hole, it is threaded with jack cylinder abutment sleeve, plays fixedly jack cylinder effect, and the middle piston rod in the jack can move up and down by this center hole.When handling the handle of jack 11, small piston in it moves down hydraulic pressure transfer and moves on the piston rod in making in the jack, endoporus by connecting base contacts with piston 4 bottoms of oil gun, and the grease that moves on it in compressing cylinder body is outpoured to high-pressure oil pipe, ball valve, nozzle injection refueled aircraft device by transit joint 6.Can observe main oil pocket oil pressure in the jack by oil pressure gauge 1, and can obtain the grease cavity pressure by reduction formula according to the pressure of oil pressure gauge 1.

This machine also can change cylinder body diameter or jack tonnage according to different purposes, is designed to basic, normal, high pressure grease Lubricators, and according to the needs of receiver equipment, this machine can be fixed on the support, also can be positioned over and make movable Lubricators on the dolly.

Claims (4)

1. hand-hydraulic grease Lubricators, it comprises oil pressure gauge (1), O RunddichtringO (3), bolt (8), hydraulic jack (11) and draining screw (12); It is characterized in that: it also comprises the connecting base (10) that is connected with hydraulic jack (11) and oiling upper cylinder body, be equipped with in the cylinder body (5) piston (4) and on O RunddichtringO (3), the upper end roof anchorage have upper end cap (7) and on be fixed with transit joint (6), the underpart is fixed with lower end cap (9), lower end cap (9) one sides also are fixed with a porous plug (2), its center is threaded with connecting base (10), described connecting base (10) is individual middle be hexagon or square or quadrant, it all connects a cylindrical body up and down, upper cylinder is the outside thread post, there is through hole at the connecting base center, and it is tapped hole that there are seal groove, bottom in the through hole middle part; The intermediate piston of jack can drive on the piston (4) and move along moving on the center hole.

2. hand-hydraulic grease Lubricators according to claim 1, it is characterized in that: described piston (4) is a short cylinder, a plurality of toroidal cavities are arranged on its cylindrical, there is a circular groove at the center, lower end surface, its outside also has an annular groove to communicate with porous plug (2), and its center, upper-end surface has a tapped hole to be connected with bolt (8).

3. hand-hydraulic grease Lubricators according to claim 1 and 2, it is characterized in that: described upper end cap (7) is individual cylindrical, and the top profile is hexagon or square or flat, and there is tapped hole at the center, it with the bottom big column in cone shape hole communicate, the big column hypomere is an outside thread.

4. hand-hydraulic grease Lubricators according to claim 1 is characterized in that: described transit joint (6) is that a middle part is hexagon or square body, and its upper and lower end respectively connects an externally threaded cylindrical body, and there is through hole at the center.