CN2703946Y

CN2703946Y - Quantitative oil injector

Info

Publication number: CN2703946Y
Application number: CN 200420021955
Authority: CN
Inventors: 廖春晖; 陈小敏; 蒋小良
Original assignee: Wanxiang Qianchao Co Ltd
Current assignee: Wanxiang Qianchao Co Ltd
Priority date: 2004-04-13
Filing date: 2004-04-13
Publication date: 2005-06-08
Anticipated expiration: 2014-04-13

Abstract

The utility model provides a quantitative oil injector, comprising an oil transferring pump, a cylinder body, an oil injecting head arranged at the bottom of the cylinder body, a pneumatic system, and oil transferring pipelines connected with the oil transferring pump and the cylinder body. The cylinder body comprises an upper cylinder and a lower cylinder, and the middle part is separated by a middle base whose left lateral side is provided with an air outlet and an air inlet; the inner sides of the upper cylinder and the lower cylinder are respectively provided with cylinder slide blocks, and the middle part is provided with a push rod and a connecting rod connected with the middle part; the push rod and the connecting rod penetrate the whole cylinder, and the upper part of the push rod is connected with a pneumatic switch. The left lateral side of the upper base is provided with an air port connected with the upper cylinder, and the left lateral side of the upper base is provided with a grease inlet connected with the lower cylinder. The utility model has a simple structure and good performance for oil passing, saves labor in operation and decreases the waste grease, and has a good definite quantity effect.

Description

Quantitative Lubricators

Technical field

The utility model relates to a kind of mechanical device, especially relates to a kind of quantitative Lubricators, and this Lubricators is simple in structure and easy to operate.

Technical background

Along with development of science and technology, the history that is lubricated by artificial trowelling grease finishes gradually, multiple Lubricators has appearred in succession, as disclosed patent " hand-hydraulic grease Lubricators ", this Lubricators comprises oiling upper cylinder body and hydraulic jack two-part, by connecting base two-part are coupled together, the handle of its operating hydraulically operated jack makes and moves on the piston in the jack, directly driving oiling upper cylinder body inner carrier moves synchronously, grease in the cylinder body is pushed, outside transit joint, be extruded onto connected high-pressure oil pipe, inject in the refueled aircraft device.Though this machine Placement is simple and reliable, and is rational in infrastructure, it still continues to use manual mode, and operation is comparatively required great effort.And for example the terminal of this Lubricators of patent " the quantitative Lubricators of rail vehicles bearing " adopts a ring pipe to constitute the oiling head, evenly be provided with the identical oil filler pipe of opening direction on the ring pipe tube wall, oil filler pipe is inserted the purpose that can reach oiling in the slit of bearing roller, but this machine structure is comparatively complicated, and versatility is relatively poor.

Summary of the invention

The utility model has solved the complex structure that existing quantitative Lubricators exists, and operates effort, quantitatively owes the accurate technical problem that waits, and provides a kind of structure comparatively simple, rapid operation and the quantitative Lubricators with better quantitative effect.

It is relatively poor that the utility model has solved the versatility that existing quantitative Lubricators exists, and grease is wasted the technical problem of more grade, provides a kind of and has had better versatility, and do not had the quantitative Lubricators of grease waste substantially.

Above-mentioned technical purpose of the present utility model mainly is to solve by the following technical programs: a kind of quantitative Lubricators, comprise oil transfer pump, cylinder block, be positioned at the oiling head of cylinder block bottom, the pipeline road of pneumatic control system and connection oil transfer pump and cylinder block etc., it is characterized in that described cylinder block is made up of upper cylinder and lower cylinder, the centre is separated by middle seat, the left surface of middle seat is provided with air inlet/outlet and suction port, be respectively equipped with a cylinder slide block in casing top half and the lower cylinder, the centre is provided with push rod and coupled connecting rod, both run through entire cylinder, and push rod top links to each other with jettron; On the left surface at the seat of honour, be provided with the air inlet/outlet that communicates with upper cylinder, be provided with the grease import that communicates with lower cylinder in following left side.When using this quantitative Lubricators to carry out oiling, by switching pneumatic control system, oil transfer pump is input to high pressure grease in the lower cylinder (annotate: lower cylinder slide block and upper cylinder slide block and the push rod three who links to each other with pneumatic control system are connected as a single entity) by the oil transportation detour, thereby the promotion push rod is upwards mentioned, and what of the interior grease of lower cylinder the path increment of regulating push rod control, push rod moves to position, peak top air valve and closes, thereby close the gas circuit of oil transfer pump, stop oil transportation, keep quantitatively.During oiling, by the control pneumatic control system, air enters in the casing top half from the air inlet/outlet at upper cylinder top, this moment, two cylinder slide blocks began to move down, the grease that is in the lower cylinder is released fast, enters into the oiling head, by the oiling head miscellaneous equipment is carried out oiling.

As preferably, between the oiling head of described Lubricators and therapeutic method to keep the adverse qi flowing downward cylinder body, be provided with a start or stop pipe, which is provided with a through hole, an end of start or stop pipe is connected with slide block in the thrust cylinder.When input grease in lower cylinder, the slide block in the thrust cylinder promotes the start or stop pipe to the right, and start or stop this moment pipe can be blocked the through hole of being located at down on the seat that communicates with lower cylinder, thereby a grease seal of input has been avoided the leakage of grease in lower cylinder.When draining the oil, because the effect of air-flow, the slide block of thrust cylinder will be moved to the left, and at this moment, the through hole on the start or stop pipe is just in time aimed at the through hole of being located at down on the seat, thereby make grease enter into the oiling head by the passage that both form.

As preferably, described pneumatic control system comprises two porous gas-tpe fittings, both inlets are connected with air inlet system respectively, the two ends of porous gas-tpe fitting link to each other with the air inlet/outlet of jettron with thrust cylinder left side respectively, and the two ends of porous gas-tpe fitting link to each other with the air inlet/outlet at the seat of honour and the air inlet/outlet on thrust cylinder right side respectively.Two porous gas-tpe fittings are arranged on the pillar, wherein an end of Shang Mian a gas-tpe fitting links to each other with jettron, control moving of push rod by air-flow, the lower end links to each other with the air inlet/outlet in thrust cylinder left side, make air-flow promote the slide block in the cylinder, drive the start or stop pipe and move right, thereby make stay through hole on the seat of start or stop pipe plug, make grease can not leak.An end that is positioned at a gas-tpe fitting below the pillar links to each other with the air inlet/outlet at the seat of honour, makes when draining the oil air-flow promote the cylinder slide block and moves down.Its other end links to each other with the air inlet/outlet on thrust cylinder right side, when draining the oil, be moved to the left by the slide block in the air-flow control thrust cylinder, drive the start or stop pipe and also be moved to the left, thereby make to form a passage between lower cylinder and the oiling head, grease flows out in lower cylinder fast.

As preferably, between described upper cylinder slide block and cylinder wall, between upper cylinder slide block and push rod, between middle seat and cylinder wall and push rod, be respectively equipped with the O RunddichtringO between lower cylinder upper end of slide block and cylinder wall, be provided with y-type seal ring between lower cylinder slide block lower end and cylinder wall, this structure can make the entire cylinder body obtain better seal.

As preferably, the bottom surface of described lower cylinder is provided with a billiard table shape through hole, the side of grease import and through hole joins, the through hole lower end communicates with through hole on being located at base, the through hole of this billiard table shape is beneficial to grease and flows out in lower cylinder, and the residual of grease can not caused in spherical side, thereby makes Lubricators quantitatively more reliable.

Therefore, the utlity model has simple in structure, rapid operation, highly versatile, characteristics such as the grease wastage is few, and have better quantitatively effect.

Description of drawings

Accompanying drawing 1 is the schematic representation of the quantitative Lubricators of the utility model;

Accompanying drawing 2 is sectional views of the quantitative Lubricators cylinder block of the utility model.

Specific embodiment

Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.

Embodiment 1: as accompanying drawing 1, the utility model Lubricators is by cylinder block, be positioned at the oiling 1 of cylinder block bottom, pneumatic control system and the compositions such as pipeline road 2 that connect oil transfer pump and cylinder block, when in downward cylinder 4, importing grease, when using this quantitative Lubricators to carry out oiling, by switching pneumatic control system, air communication is crossed the porous gas-tpe fitting 21 that gas circuit 27 enters into pillar 28 tops, one end of this porous gas-tpe fitting 21 links to each other with jettron 12, oil transfer pump is input to high pressure grease in the lower cylinder 4 by pipeline road 2, because of lower cylinder slide block 9, upper cylinder slide block 8 and push rod 10 threes that link to each other with pneumatic control system are connected as a single entity, therefore along with the continuous input of grease, thereby promoting push rod 10 upwards mentions, control what of grease in the lower cylinder by the path increment of regulating push rod 10, push rod moves to position, peak top air valve and closes, thereby close the gas circuit of oil transfer pump, stop oil transportation, keep quantitatively.A part of air communication is crossed the air inlet/outlet 23 that porous gas-tpe fitting 21 enters into thrust cylinder 19 left sides simultaneously, the slide block 20 that air-flow promotes in the cylinder moves, slide block 20 drives start or stop pipe 17 and moves right, thereby makes start or stop pipe 17 block down the through hole 26 on the seat 15, makes grease can not leak.When draining the oil, switch pneumatic control system once more, air communication is crossed the porous gas-tpe fitting 22 that gas circuit 31 enters into pillar below, and an end of this porous gas-tpe fitting 22 communicates with air inlet/outlet 14 on 13 left surfaces of the seat of honour, and air-flow promotion cylinder slide block moves down when making oiling.Its other end links to each other with the air inlet/outlet 24 on thrust cylinder 19 right sides, when oiling, be moved to the left by the slide block 20 in the air-flow control thrust cylinder, driving start or stop pipe 17 also is moved to the left, thereby make and form a passage between lower cylinder 4 and the oiling 1, grease flows out in lower cylinder 4 fast, finishes the oiling operation.The through hole 25 of this billiard table shape is beneficial to grease and flows out in lower cylinder 4 simultaneously, and spherical side can not cause the residual of grease, thereby makes Lubricators quantitatively more reliable.O type and y-type seal ring 29 and 30 in slide block and cylinder body, slide block and pillar joint have prevented the leakage of grease.

Claims

1, a kind of quantitative Lubricators, comprise oil transfer pump, cylinder block, be positioned at the oiling head (1) of cylinder block bottom, pneumatic control system and the pipeline road (2) that connects oil transfer pump and cylinder block, it is characterized in that described cylinder block is made up of upper cylinder (3) and lower cylinder (4), the centre is separated by middle seat (5), the left surface of middle seat is provided with air inlet/outlet (6) and suction port (7), be respectively equipped with cylinder slide block (8) and (9) in casing top half (3) and the lower cylinder (4), the centre is provided with push rod (10) and coupled connecting rod (11), both run through the entire cylinder body, and push rod (10) top links to each other with jettron (12); On the left surface of the seat of honour (13), be provided with the air inlet/outlet (14) that communicates with upper cylinder (3), on the left surface of following (15), be provided with the grease import (16) that communicates with lower cylinder (4).

2, quantitative Lubricators according to claim 1, it is characterized in that at the described start or stop pipe (17) that between oiling head (1) and lower cylinder (4), is provided with, which is provided with a through hole (18), the slide block (20) in an end of start or stop pipe (17) and the thrust cylinder (19) is connected.

3, quantitative Lubricators according to claim 1 and 2, it is characterized in that described pneumatic control system comprises two porous gas-tpe fittings (21) and (22), both inlets are connected with air inlet system respectively, the two ends of porous gas-tpe fitting (21) link to each other with the air inlet/outlet (23) of jettron (12) with thrust cylinder left side respectively, and the two ends of porous gas-tpe fitting (22) link to each other with the air inlet/outlet (14) of seat of honour left surface and the air inlet/outlet (24) on thrust cylinder right side respectively.

4, quantitative Lubricators according to claim 1 and 2 is characterized in that between described upper cylinder slide block and cylinder wall, between upper cylinder slide block and push rod, between middle seat and cylinder wall and push rod, be respectively equipped with O RunddichtringO (29) between lower cylinder upper end of slide block and cylinder wall.

5, quantitative Lubricators according to claim 3 is characterized in that between described upper cylinder slide block (8) and cylinder wall, between upper cylinder slide block (8) and push rod (10), between middle seat (5) and cylinder wall and connecting rod (11), be respectively equipped with O RunddichtringO (29) on the lower cylinder slide block (9) and between cylinder wall.

6, quantitative Lubricators according to claim 1 and 2 is characterized in that being provided with between described lower cylinder slide block (9) lower end and cylinder wall y-type seal ring (30).

7, quantitative Lubricators according to claim 3 is characterized in that being provided with between described lower cylinder slide block (9) lower end and cylinder wall y-type seal ring (30).

8, quantitative Lubricators according to claim 1 and 2, the bottom surface that it is characterized in that described lower cylinder (4) is provided with a billiard table shape through hole (25), the side of grease import (16) and through hole (25) joins, and through hole (25) lower end communicates with through hole (26) on being located at down (15).

9, quantitative Lubricators according to claim 3, the bottom surface that it is characterized in that described lower cylinder is provided with a billiard table shape through hole (25), the side of grease import (16) and through hole (25) joins, and the lower end of through hole (25) communicates with through hole (26) on being located at down (15).

10, quantitative Lubricators according to claim 4, the bottom surface that it is characterized in that described lower cylinder is provided with a billiard table shape through hole (25), grease import (16) is joined in the side with through hole (25), the lower end of through hole (25) be located at down the through hole (26) of seat on (15) and communicate.