CN206625880U - A kind of dipstick - Google Patents

Abstract

Present applicant proposes a kind of dipstick, the dipstick includes draw ring, scale body, scale and the sealing ring set gradually, scale body includes limiting section and scale bar, sealing ring includes the first sealing ring and the second sealing ring, the first annular ditch groove and the second annular ditch groove for accommodating the first sealing ring and the second sealing ring respectively are provided with scale bar, the second annular ditch groove is arranged between limiting section and the first annular ditch groove.Using the dipstick, can to ensure when it is coordinated with the opponent such as dipstick conduit or cylinder cap cage apertures part the good sealing of machine oil with it is spacing.

Description

A kind of dipstick

Technical field

A kind of oil level detecting device is the utility model is related to, and more particularly, to a kind of dipstick.

Background technology

In the automotive industry, can automobile engine obtain enough lubrications by the direct performance for determining engine and use Life-span.But must be appropriate when to engine addition machine oil, if the machine oil in engine sump tank is very few, can occur Engine lubrication is incomplete, causes the failures such as axis tile, and serious even can damage engine；If the machine in engine sump tank Oily too many, at work, crank, connecting rod tip to machine oil vigorous agitation, can not only increase the work(of engine interior to engine Rate is lost, but also the oil level that can make to splash on casing wall increases, and is produced burn oil phenomenon, is made the consumption of machine oil increase, lead Apply family use cost rise.

In the prior art, generally use dipstick detects the engine oil level of engine, and dipstick passes through insertion In dipstick conduit or cylinder cap cage apertures, by the surplus for the position judgment oil sump inner engine oil of machine oil being attached on scale. One of annular seal ring is provided with the scale body of dipstick and accommodates the annular ditch groove of the sealing ring, by with machine oil Scale conduit or cylinder cap cage apertures form the sealing that interference fit ensures machine oil.This is configured to substantially meet and dipstick conduit Seal request during cooperation, but when coordinating with cylinder cap cage apertures, because cylinder cap cage apertures is different from the mechanism of dipstick conduit, and And moulding cylinder cap cage apertures has pattern draft, one of annular seal ring can not meet its seal request, in engine Under the balleting of portion's pressure and vehicle, dipstick easily loosens, and causes engine oil leakage.

Utility model content

For above-mentioned the problems of the prior art, present applicant proposes a kind of dipstick, to cause by the machine oil mark Chi can ensure when coordinating with the opponent such as dipstick conduit or cylinder cap cage apertures part the good sealing of machine oil with it is spacing.

The dipstick includes draw ring, scale body, scale and the sealing ring set gradually, and scale body includes spacing Portion and scale bar, sealing ring include the first sealing ring and the second sealing ring, are provided with scale bar and accommodate the first sealing respectively The first annular ditch groove and the second annular ditch groove of circle and the second sealing ring, the second annular ditch groove are arranged on limiting section and the first ring-type Between groove.By the dipstick of this programme, enable to by itself and opponent's part such as dipstick conduit or cylinder cap cage apertures Can ensure during cooperation the good sealing of machine oil with it is spacing.

In one embodiment, dipstick is formed with opponent's part and is interference fitted.Pass through the machine oil mark of this preferred scheme Chi, there is the advantages of simple in construction, good airproof performance.

In one embodiment, the first annular ditch groove and the second annular ditch groove are integrally formed by Shooting Technique.Pass through The dipstick of this preferred scheme, the dipstick can have enough intensity, ensure the accuracy of engine oil level detection.

In one embodiment, limiting section is cylindric with scale bar, and the diameter of limiting section is more than scale bar Diameter.By the dipstick of this preferred scheme, when engine oil level detects, it can ensure more than limiting section that (bracelet) will not enter Enter in opponent's part, ensure the convenience and security of detection.

In one embodiment, the depth of the first annular ditch groove and the depth of the second annular ditch groove are unequal.Pass through this The dipstick of preferred scheme, change the depth dimensions of groove, the filling rate and compression ratio of sealing ring can be increased, realize sealing And spacing two kinds of functions.

In one embodiment, draw ring and scale body are made of plastics.Pass through the dipstick of this preferred scheme, energy Enough reach light effect, while reduce manufacturing cost.

In one embodiment, sealing ring is made up of elastomeric material.Pass through the dipstick of this preferred scheme so that When dipstick inserts dipstick conduit or cylinder cap cage apertures, interference fit can be realized.

In one embodiment, the diameter of the first sealing ring is equal with the diameter of the second sealing ring.Pass through this preferred side The dipstick of case, enable to increase filling out for sealing ring by changing the depth of the first annular ditch groove and the second annular ditch groove Rate and compression ratio are filled, reaches interference fit, realizes sealing and limit function.

In one embodiment, draw ring is integrally formed with scale body by Shooting Technique.Pass through this preferred scheme Dipstick, it is possible to increase the intensity of dipstick, reduce manufacturing cost.

In one embodiment, scale is connected with scale body by integrated injection.Pass through the machine oil of this preferred scheme Scale, it is possible to increase the accuracy of manufacture, ensure that the accuracy of dipstick detection oil sump inner engine oil liquid level.

Above-mentioned technical characteristic can in any suitable manner be combined or substituted by equivalent technical characteristic, as long as can reach To the purpose of this utility model.

Brief description of the drawings

The utility model will be hereinafter described in more detail based on embodiment and refer to the attached drawing.Wherein：

Fig. 1 shows the basic structure schematic diagram according to dipstick of the present utility model.

Fig. 2 shows the partial structural diagram according to dipstick of the present utility model.

Fig. 3 shows the schematic diagram of the dipstick and dipstick tubes fit according to the utility model embodiment.

Fig. 4 shows the schematic diagram coordinated according to the dipstick of the utility model embodiment with cylinder cap cage apertures.

Fig. 5 shows the profile of the dipstick and dipstick tubes fit according to the utility model embodiment.

Fig. 6 shows the profile coordinated according to the dipstick of the utility model embodiment with cylinder cap cage apertures.

In the accompanying drawings, reference represents respectively：1：Dipstick；2：Draw ring；3：Scale body；4：Scale；5：Sealing Circle；6：First annular ditch groove；7：Second annular ditch groove；8：Dipstick conduit；9：Cylinder cap cage apertures；31：Limiting section；32：Scale Bar；51：First sealing ring；52：Second sealing ring.

In the accompanying drawings, identical part uses identical reference.Accompanying drawing is not according to the ratio of reality.

Embodiment

Below in conjunction with accompanying drawing, the utility model is described in further detail.

The basic structure schematic diagram for the dipstick that Fig. 1 positions the application provides.As shown in figure 1, the dipstick 1 includes drawing Ring 2, scale body 3, scale 4 and sealing ring 5, the scale body includes limiting section 31 and scale bar 32, of the present utility model Dipstick is characterised by, the first annular ditch groove 6 and the second annular ditch groove 7, the second annular groove are provided with scale bar 32 Groove 7 is arranged between the annular ditch groove 6 of limiting section 31 and first, sealing ring 5 include respectively with the first annular ditch groove 6 and the second ring-type The first sealing ring 51 and the second sealing ring 52 that groove 7 is equipped with.

Pass through dipstick provided by the utility model so that by the dipstick and dipstick conduit 8 or cylinder cap Cage apertures 9 coordinate when can ensure the good sealing of machine oil with it is spacing.

Draw ring 2, scale body 3, scale 4 are sequentially connected, and machine is formed together with the sealing ring 5 being arranged in scale body 3 Oil scale 1, draw ring 2 are integrally formed with scale body 3 by Shooting Technique, it is possible to increase the intensity of dipstick 1, reduce manufacture Cost, wherein, limiting section 31 and scale bar 32 are cylindric, and the diameter of limiting section 31 is more than the diameter of scale bar 32, makes Position-limiting action can be played by obtaining the limiting section 31 when dipstick 1 is inserted, and prevent dipstick 1 is overall from being led into dipstick In pipe 8 or the grade opponent's part of cylinder cap cage apertures 9, the both sides of limiting section 31 are connected with draw ring 2 and scale bar 3 respectively, the connection in both sides It can be attached, directly can also be connected with right angle by chamfering or rounding at face, the other end and the scale 4 of scale bar 3 Connection, it is preferable that scale 4 is integrated to be moulded in the scale body 3, and the accuracy of manufacture improves, it is ensured that dipstick detects The accuracy of oil sump inner engine oil liquid level.

Alternatively, the upper limit graduation mark of scale 4 and lower limit graduation mark match with machine oil liquid level, and the end of scale 4 and oil The bottom of drain pan is not in contact, and is prevented mechanical oscillation or is rocked caused measurement error, it is also ensured that dipstick detects The accuracy of oil sump inner engine oil liquid level.

Fig. 2 is the partial structural diagram of dipstick 1.As depicted in figs. 1 and 2, it is coaxially arranged with scale bar 32 First annular ditch groove 6 and the second annular ditch groove 7, and the second annular ditch groove 7 be arranged on the annular ditch groove 6 of limiting section 31 and first it Between, the first annular ditch groove 6 and the second annular ditch groove 7 are integrally formed by Shooting Technique, can reduce manufacturing cost, the first ring-type The annular ditch groove 7 of groove 6 and second is respectively used to accommodate the first sealing ring 51 and the second sealing ring 52, and the first sealing ring 51 is enclosed on the At one annular ditch groove 6, the second sealing ring 52 is enclosed at the second annular ditch groove 7, and the first sealing ring 51 and the second sealing ring 52 are O Type.

Preferably, draw ring 2 and scale body 3 are made up of the plastics of high-low temperature resistant, reach light effect, while can drop Low manufacturing cost.It should be understood that the two can also be made up of other materials, such as stainless steel material.

Alternatively, scale 4 can be according to engine integral arrangement unrestricted choice hardness or flexible metal materials.

Preferably, sealing ring 5 is made up of elastomeric material so that inserts dipstick conduit 8 or cylinder head cover in dipstick 1 During hole 9, interference fit can be realized.

Preferably, the first sealing ring 51 is identical with the diameter of the second sealing ring 52, the first annular ditch groove 6 and the second annular groove The depth of groove 7 is unequal, increases the filling of sealing ring 5 by changing the depth of the first annular ditch groove 6 and the second annular ditch groove 7 Rate and compression ratio, reach interference fit, realize sealing and limit function.

Fig. 3 and Fig. 4 is respectively to be coordinated according to dipstick 1 of the present utility model with dipstick conduit 8 or cylinder cap cage apertures 9 The structure chart used.Fig. 5 and Fig. 6 is respectively according to dipstick 1 of the present utility model and dipstick conduit 8 or cylinder cap cage apertures 9 profiles being used cooperatively.From figs. 5 and 6, it can be seen that dipstick conduit 8 or cylinder cap cage apertures 9 can be designed in depanning Certain withdrawing pattern oblique angle (usual upper diameter is more bigger than lower diameter, is not shown typically in design drawing) is new using this practicality When the dipstick of type carries out oil-level measurement, thus it is possible to vary the depth of the first annular ditch groove 6 and the second annular ditch groove 7, increase the The filling rate and compression ratio of one sealing ring 51 and the second sealing ring 52, interference fit is realized, engine oil leakage can be avoided, also simultaneously It can prevent dipstick 1 from being rocked in opponent's part, cause noise, have preferable effect to reducing NVH.

The upper limit graduation mark and lower limit graduation mark of oil level are carved with scale 4, in operation, user can pinch draw ring with hand 2, dipstick 1 is inserted in dipstick conduit 8 or cylinder cap cage apertures 9, standing is taken out in a moment, by being attached on scale 4 The position of machine oil judge the surplus of machine oil in oil sump, the position of an organic oil is in upper limit graduation mark and lower limit graduation mark Between when, oil mass just meets the requirements.

Although the utility model is described herein with reference to specific embodiment, it should be understood that, this A little embodiments are only principle of the present utility model and the example of application.It should therefore be understood that can be to exemplary reality Apply example and carry out many modifications, and can be designed that other arrangements, this reality limited without departing from appended claims With new spirit and scope.It should be understood that it can be combined by way of different from described by original claim Different dependent claims and feature specifically described herein.It will also be appreciated that the spy with reference to described by separate embodiments Sign can be used in other embodiments.

Claims (10)

1. a kind of dipstick, including draw ring, scale body, scale and the sealing ring set gradually, the scale body bag Include limiting section and scale bar, it is characterised in that the sealing ring includes the first sealing ring and the second sealing ring, in the scale bar On be provided with the first annular ditch groove and the second annular ditch groove for accommodating first sealing ring and second sealing ring respectively, institute The second annular ditch groove is stated to be arranged between the limiting section and first annular ditch groove.

2. dipstick according to claim 1, it is characterised in that the diameter of first sealing ring and described second close The diameter of seal is equal.

3. dipstick according to claim 2, it is characterised in that the depth of first annular ditch groove and described second The depth of annular ditch groove is unequal.

4. dipstick according to claim 3, it is characterised in that the dipstick forms interference with opponent's part and matched somebody with somebody Close, opponent's part includes dipstick conduit or cylinder cap cage apertures.

5. dipstick according to claim 4, it is characterised in that first annular ditch groove and second annular groove Groove is integrally formed by Shooting Technique.

6. dipstick according to claim 5, it is characterised in that the limiting section and the scale bar are cylinder Shape, and the diameter of the limiting section is more than the diameter of the scale bar.

7. dipstick according to claim 6, it is characterised in that the draw ring and the scale body are by plastics system Into.

8. dipstick according to claim 7, it is characterised in that the sealing ring is made up of elastomeric material.

9. dipstick according to claim 8, it is characterised in that the draw ring is with the scale body by being molded work Skill is integrally formed.

10. dipstick according to any one of claim 1 to 9, it is characterised in that the scale and the scale sheet Body is connected by integrated injection.