CN2499581Y

CN2499581Y - Aspirator of diesel engine gear room

Info

Publication number: CN2499581Y
Application number: CN 01263217
Authority: CN
Inventors: 沈萃昌; 周枫谷; 孙健
Original assignee: Chagchai Co ltd
Current assignee: Chagchai Co ltd; Changchai Co Ltd
Priority date: 2001-10-12
Filing date: 2001-10-12
Publication date: 2002-07-10
Anticipated expiration: 2011-10-12

Abstract

The utility model discloses an aspirator of diesel engine gear room and belongs to the diesel engine technical field. The utility model consists of an aspirator body (1), a valve seat (2), a spring (3), a valve plate (4); an end closure (5) and an air-cored binder bolt (6). The utility model has the characteristics of good function of blocking oil mist, normal opening and closing, and proper cut, etc, particularly the production cost is obviously lower than that of the prior art. The utility model is a novel and efficient aspirator of diesel engine gear room.

Description

The resuscitation apparatus of diesel engine gear chamber

Technical field

The utility model belongs to Diesel Engine Technique Field, is specifically related to the resuscitation apparatus of a kind of device on Gear Cavity Cover of Diesel Engine.

Background technique

Resuscitation apparatus is that device is on Gear Cavity Cover of Diesel Engine, enter in the gear chamber by its unidirectional blocking-up ambient air, and the malleation that is produced in emptying gear chamber and even the crankcase makes crankcase immutably keep negative pressure state therefrom, thereby avoids the generation of crankcase oil leakage phenomenon.Prior art mainly contains two kinds of reed-type resuscitation apparatus and valve block formula resuscitation apparatuss.The former is the tired normally open that is caused owing to metal spring leaf opens and closes repeatedly, and loses its function; The latter is then because its internal capacity is less than normal, and the usefulness of shortage dilatation release of pressure, precipitation, so that the oil content in the exhausting air is still higher.And the cost of production of existing resuscitation apparatus is still higher.That fearness is fallen this 0.1 yuan/, and this will create considerable superprofit thus concerning the diesel engine enterprise of up to a million of Annual output.

Summary of the invention

The purpose of this utility model is to provide a kind of keying normal, and disconnection puts in place, has the good blocking-up mist of oil function that leaks, and the obvious resuscitation apparatus of lower diesel engine gear chamber of cost of production, to overcome the deficiency of prior art.

The technological scheme that realization the utility model purpose is taked is as follows: it is by respirator body, valve seat, spring, valve block, end cap and hollow link screw and form, and hollow links screw and respirator body is threaded joint, and spring is set in the center through hole of valve seat, and an end of spring resists in the valve seat center through hole on the step, its the other end then resists on the inner side plane of valve block, and the spherical of valve block, with end cap center through hole involution mutually, the interior edge face of end cap, be pressed on the flange edge of valve seat, and the flange edge of valve seat then resists on the interior step surface of respirator body, and the periphery of end cap and the endoporus of respirator body are fixedly connected.

In order further tightly to seal the slit of the utility model inlet end, improvement of the present utility model also is:

The periphery of said end cap and respirator body endoporus fixedly connected is threaded joint, and on the link surface of end cap and respirator body, is coated with adhesive layer.

The periphery of said end cap and respirator body endoporus are fixedly connected, and the button that also can be plush copper and pit links knot, and on the link surface of end cap and respirator body, are coated with adhesive layer.

The periphery of said end cap and respirator body endoporus are fixedly connected, are bonding binding.

Characteristics such as after the technical solution of the utility model was implemented, the keying that it had continued normal, and disconnection must put in place, and blocking-up mist of oil function is good, and cost of production is relatively low are conspicuous.

Description of drawings

Below pass through the specific descriptions of contrast drawings and Examples, will be more clear to the technical solution of the utility model and the purpose that will realize thereof.In the accompanying drawings, identical part is with identical label mark.These accompanying drawings are:

Fig. 1 is main pseudosection of the present utility model (part shown in the double dot dash line is a gear chamber cover among the figure);

Fig. 2 is the plan view of the included valve seat of the utility model;

Fig. 3 is the A-A sectional drawing of Fig. 1;

Fig. 4 is the plan view of the included valve block of the utility model;

Fig. 5 is the plan view of Fig. 4.

Embodiment

Please join and read accompanying drawing 1, the utility model is by respirator body 1, valve seat 2, spring 3, valve block 4, end cap 5 and hollow link screw 6 and form, and hollow links screw 6 and respirator body 1, and both are threaded joint, and spring 3 is set in the center through hole of valve seat 2, and an end of spring 3 resists in valve seat 2 center through hole on the step, its the other end then resists on the inner side plane of valve block 4, and the spherical of valve block 4, with end cap 5 center through hole involution mutually, the interior edge face of end cap 5 is pressed on the flange edge of valve seat 2, and the flange edge of valve seat 2, then resist on the interior step surface of respirator body 1, between the endoporus of the periphery of end cap 5 and respirator body 1, fasten by the pit 1-1 that is located at the plush copper 5-1 on the end cap 5 and be located on the respirator body 1, and on both junction planes, scribble the formed adhesive layer of sealer.This is one of embodiment.

Embodiment's two, on both junction planes between the endoporus of the periphery of end cap 5 and respirator body 1, by be coated with sealer fix connect strong.Other is all as one of embodiment.

Embodiment's three be provided with screw thread on the periphery of end cap 5, and the endoporus of respirator body 1 is a screw, and both are threaded joint, and on both junction planes, is coated with sealant layer.Other is all as embodiment one.

The utility model the foregoing description, except spring 3 adopts the carbon spring steel wires II (GB1239-76) of Ф 0.2mm, other part is nylon 6 mouldings.Its cost of production than existing reed-type resuscitation apparatus, can reduce by 20% approximately.Produce 1500000 diesel engines per year with Changchai stock Co., Ltd and calculate, the whole year can synergy 300,000 yuan.The utlity model has tangible economic benefit.

Application note of the present utility model is: link screw 6 by hollow, with the binding of gear chamber cover, and the utility model is set in the gear chamber.When forming malleation in the gear chamber, oil gas backs down valve block 4 by the center through hole of end cap 5, via valve seat 2 center through hole, enters the inner chamber of respirator body 1.Because the sudden enlargement of its volume, has (approximately when in 0.12Mpa) oil gas of certain malleation, moment dilatation and discharge its pressure, its flowing velocity obviously descends simultaneously, mix suspending then drops down under the precipitation in airborne fine elaioleucite thereupon, finally is back in the gear chamber.And when forming negative pressure in the gear chamber, gear chamber will be air-breathing by the utility model, but because the existence of the utility model valve block 4, and the tight involution of center through hole with end cap 5, thereby blocked the suction of ambient air, keep the continuous negative pressure in gear chamber and even the crankcase, realized the basic goal of the utility model.

Claims

1, a kind of resuscitation apparatus of diesel engine gear chamber, it is characterized in that, by respirator body (1), valve seat (2), spring (3), valve block (4), end cap (5) and hollow link screw (6) and form, and hollow links screw (6) and respirator body (1), and both are threaded joint, and spring (3) is set in the center through hole of valve seat (2), and an end of spring (3) resists in valve seat (2) center through hole on the step, its the other end then resists on the inner side plane of valve block (4), and the spherical of valve block (4), with end cap (5) center through hole involution mutually, the interior edge face of end cap (5), be pressed on the flange edge of valve seat (2), and the flange edge of valve seat (2) then resists on the interior step surface of respirator body (1), and the endoporus of the periphery of end cap (5) and respirator body (1) is fixedly connected.

2, the resuscitation apparatus of diesel engine gear chamber according to claim 1, it is characterized in that the periphery of said end cap (5) and respirator body (1) endoporus fixedly connected is threaded joint, and on the link surface of end cap (5) and respirator body (1), be coated with adhesive layer.

3, the resuscitation apparatus of diesel engine gear chamber according to claim 1, it is characterized in that, the periphery of said end cap (5) and respirator body (1) endoporus fixedly connected, for the button of plush copper (5-1) and pit (1-1) links knot, and on the link surface of end cap (5) and respirator body (1), be coated with adhesive layer.

4, the resuscitation apparatus of diesel engine gear chamber according to claim 1 is characterized in that, the periphery of said end cap (5) and respirator body (1) endoporus fixedly connected is bonding binding.