CN202732038U

CN202732038U - Oil scale sleeve of engine

Info

Publication number: CN202732038U
Application number: CN 201220301934
Authority: CN
Inventors: 梁德浦; 王羽; 韦文学
Original assignee: Guangxi Yuchai Machinery Co Ltd
Current assignee: Guangxi Yuchai Machinery Co Ltd
Priority date: 2012-06-26
Filing date: 2012-06-26
Publication date: 2013-02-13
Anticipated expiration: 2022-06-26

Abstract

The utility model discloses an oil scale sleeve of an engine. The oil scale sleeve of the engine comprises an oil scale sleeve body, a ventilation port and a ventilation pipe, wherein the ventilation port and the ventilation pipe are formed in the middle part of the oil scale sleeve body; when an oil scale is inserted into the oil scale sleeve body for measurement, the ventilation port is located below an O-shaped ring of the oil scale; one end of the ventilation pipe is fixedly arranged on the oil scale sleeve body, and further communicated with the ventilation port; and the other end of the ventilation pipe is communicated with the interior of the engine. The oil scale sleeve of the engine is rational and simple in structure; while a cylinder effect is prevented, the cut edge of the O-shaped ring can be prevented from being damaged via a mode that the ventilation port is formed below the position of the O-shaped ring of the oil scale and the independent ventilation pipe is communicated with the interior of the engine; and therefore, the seal of a crank shaft box is guaranteed.

Description

The engine level gauge sleeve pipe

Technical field

The utility model relates to engine art, particularly a kind of engine level gauge sleeve pipe.

Background technique

The engine level gauge sleeve pipe can be divided three classes by the mounting point at present, the first is mounted on the body, the second is mounted in the oil sump top, the third is installed in the oil sump side, when stretching into the machine oil liquid level, the oil scale sleeve pipe need to open on top the aperture ventilation when following, produce syringe effect (inner air tube promotes the intraluminal fluid face downwards when inserting oil scale, make oil scale measured value on the low side) when avoiding oil scale to insert Casing Detection.

The vent of first and second kind oil scale sleeve pipe can be opened on the interior machine oil liquid level of crankcase, and vent does not need to consider sealing, causes bad feedback outside the body even machine oil overflows also can not flow out from vent; As shown in Figure 1, but the third oil scale sleeve pipe 1 is installed in the oil sump side, vent 11 may be positioned under the machine oil liquid level, therefore can only open pore 11 at oil scale sleeve pipe 1 top, and prevents that by O type circle 21 sealings of oil scale 2 machine oil from overflowing from vent.As shown in Figure 2, but in the third oil scale sleeve pipe 1, vent 11 is sharp edge with the limit 12 of passing through mutually of internal surface of sleeve pipe, be inconvenient to process rounding, so that inserting oil

scale sleeve pipe

1,21 interference of oil scale O type circle measure when passing through this sharp edge, can be cut edge and be caused damage, and then be caused

oil scale

2 and 1 seal failure of oil scale sleeve pipe.

The model utility content

The utility model is in order to overcome defective in the above-mentioned prior art, to provide a kind of rational in infrastructure simple, the engine level gauge sleeve pipe good with the oil scale fitted seal.

For achieving the above object, provide a kind of engine level gauge sleeve pipe according to the utility model, comprising: oil scale sleeve body, and the ventilating hole and the breathing pipe that are opened in oil scale sleeve body middle part; When oil scale insertion oil scale sleeve body was measured, ventilating hole was positioned at below the O type circle of oil scale; One end of breathing pipe is fixed on the oil scale sleeve body, and is connected with ventilating hole, and the other end is connected with engine interior.

In the technique scheme, an end of breathing pipe is welded on the oil scale sleeve body.

In the technique scheme, breathing pipe adopts metal hard tube or metallic hose.

Compared with prior art, the utlity model has following beneficial effect: this engine level gauge sleeve structure is rationally simple, by ventilating hole being opened in below the oil scale O type circle position, and be communicated with engine interior by independent breathing pipe, when avoiding the syringe effect, can also avoid like this oil scale O type circle to cut edge and damage, guarantee the sealing of crankcase.

Description of drawings

Fig. 1 is the structural representation before the assembling of available engine oil scale sleeve pipe;

Fig. 2 is the structural representation after the assembling of available engine oil scale sleeve pipe;

Fig. 3 is the assembly structure partial schematic diagram of engine level gauge sleeve pipe of the present utility model;

Fig. 4 is the assembly structure schematic representation of engine level gauge sleeve pipe of the present utility model;

Description of reference numerals:

1-oil scale sleeve pipe, 11-vent, 12-pass through the limit mutually, 2-oil scale, 21-O type circle, 3-oil sump, 41-oil scale sleeve body, 42-ventilating hole, 43-breathing pipe, 5-oil scale.

Embodiment

Below in conjunction with accompanying drawing, an embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subjected to the restriction of embodiment.It will be appreciated that, mentioned in the following mode of execution of the present utility model " on ", D score, " left side ", " right side ", " front " and " reverse side " be all take the direction shown in each figure as benchmark, these words that are used for limiting direction only are for convenience of explanation, do not represent the restriction to the concrete technological scheme of the utility model.

As shown in Figure 3 and Figure 4, engine level gauge sleeve pipe of the present utility model is installed in oil sump 3 sides, and concrete structure comprises: oil scale sleeve body 41, and the ventilating hole 42 and the breathing pipe 43 that are opened in these oil scale sleeve body 41 middle parts.Ventilating hole 42 is positioned at the middle part of oil scale sleeve body 41, when oil scale 5 insertion oil scale sleeve body 41 are measured, the O type circle of oil scale 5 is positioned at the top of ventilating hole 42, do not need the sharp edge through ventilating hole 42, can not produce the sealing effect of cutting edge and then affecting oil scale sleeve pipe and oil scale.

The left end of breathing pipe 43 is welded on the oil scale sleeve body 41, and is connected with ventilating hole 42; Right-hand member stretches into engine interior, so that oil scale sleeve body 41 keeps being communicated with by breathing pipe 43 and oil sump, produces the syringe effect when avoiding oil scale to insert the oil scale Casing Detection.Breathing pipe 43 can adopt metal hard tube or metallic hose, like this, when breathing pipe 43 is the metal hard tube, also has the support effect of oil scale sleeve body 41.

When oil scale 5 inserts 41 measurement of oil scale sleeve body, ventilating hole 42 is positioned at below the O type circle mounting point of oil scale 5, avoid the side cut of O type circle, ventilating hole 42 is connected oil scale sleeve body 41 by breathing pipe 43 with engine interior simultaneously, air when inserting oil scale 5 in the sleeve pipe enters engine interior from breathing pipe, thereby produces the syringe effect when avoiding oil scale to insert the oil scale Casing Detection.

This engine level gauge sleeve structure is rationally simple, by ventilating hole being opened in below the oil scale O type circle position, and is communicated with engine interior by independent breathing pipe, when avoiding the syringe effect, can also avoid like this damage of cutting edge of oil scale O type circle, the sealing of assurance crankcase.

More than disclosed only be several specific embodiment of the present utility model, still, the utility model is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.

Claims

1. an engine level gauge sleeve pipe is characterized in that, comprising: oil scale sleeve body, and the ventilating hole and the breathing pipe that are opened in described oil scale sleeve body middle part; Oil scale inserts described oil scale sleeve body when measuring, and described ventilating hole is positioned at below the O type circle of described oil scale; One end of described breathing pipe is fixed on the described oil scale sleeve body, and is connected with described ventilating hole, and the other end is connected with engine interior.

2. engine level gauge sleeve pipe according to claim 1, it is characterized in that: an end of described breathing pipe is welded on the described oil scale sleeve body.

3. engine level gauge sleeve pipe according to claim 1 and 2 is characterized in that: described breathing pipe employing metal hard tube or metallic hose.