CN209683443U - Oil filling pipe sealing and connecting device and automobile - Google Patents
Oil filling pipe sealing and connecting device and automobile Download PDFInfo
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- CN209683443U CN209683443U CN201920001934.5U CN201920001934U CN209683443U CN 209683443 U CN209683443 U CN 209683443U CN 201920001934 U CN201920001934 U CN 201920001934U CN 209683443 U CN209683443 U CN 209683443U
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- inner cylinder
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Abstract
The utility model provides a kind of oil filling pipe sealing and connecting device and automobile, belongs to automobile technical field comprising: the cavity formed by the inner barrel and outer barrel of connector sleeve, and at least two groups seal assembly of setting in the cavity；Every group of seal assembly includes: the first wedge-shaped bar, the second wedge-shaped bar and third wedge-shaped bar；First wedge-shaped bar and third wedge-shaped bar can be slided along the axis direction perpendicular to inner cylinder；Second wedge-shaped bar is slidably mounted on the medial surface of outer cylinder；First wedge-shaped bar one end is located at outside cavity, and the other end is within the cavity and abuts with the second wedge-shaped bar, and the other end of the second wedge-shaped bar is abutted with one end within the cavity of third wedge-shaped bar, and the other end of third wedge-shaped bar is fixed with sealing block.Oil filling pipe sealing and connecting device provided by the utility model, when refueling nozzle is inserted into oil filling pipe, each sealing block carries out circumferential seal to gap between refueling nozzle and inner cylinder, prevents oil-gas diffusion into air.
Description
Technical field
The utility model relates to automobile technical field more particularly to a kind of oil filling pipe sealing and connecting devices and automobile.
Background technique
Automotive oil tank is the container of vehicle storage fuel fuel oil, is mainly made of oil filling pipe, cabinet etc., in automotive oil tank
Fuel oil is supplied to engine, and fuel oil provides power in engine combustion and for automobile.When the fuel oil in automotive oil tank requires supplementation with
When, staff supplements the fuel oil in fuel tank in the oil filling pipe of refueling nozzle insertion automotive oil tank.
In the prior art, when refueling nozzle insertion oil filling pipe is refueled, due to there is seam between refueling nozzle and oil filling pipe
Gap causes to diffuse in air from the easy gap between oil filling pipe and refueling nozzle of the oil gas in automotive oil tank and works as staff
When sucking such oil gas for a long time, the health of staff is endangered.
Utility model content
The utility model provides a kind of oil filling pipe sealing and connecting device and automobile, is added in refueling nozzle insertion oil filling pipe
When oily, the gap between refueling nozzle and oil filling pipe is sealed, prevents oil-gas diffusion into air.
To achieve the goals above, the utility model adopts the following technical solution:
On the one hand the utility model provides a kind of oil filling pipe sealing and connecting device, comprising: connector sleeve and at least two groups sealing
Component；The connector sleeve includes the cavity formed between inner cylinder, outer cylinder and inner cylinder and outer cylinder；The cavity inner circumferential is uniformly arranged
There is at least two groups seal assembly；Seal assembly described in every group includes: the first wedge-shaped bar, the second wedge-shaped bar and third wedge-shaped bar；Institute
It states inner cylinder and is provided with the first mounting hole and the second mounting hole, first wedge-shaped bar is slidably mounted in first mounting hole,
The third wedge-shaped bar is slidably mounted in second mounting hole, and first wedge-shaped bar and third wedge-shaped bar can be along vertical
It is slided in the axis direction of the inner cylinder；Second wedge-shaped bar is slidably mounted on the medial surface of the outer cylinder, and respectively with
First wedge-shaped bar and the second wedge-shaped bar are vertical；First wedge-shaped bar one end is located at outside the cavity, and the other end is located at institute
It states in cavity, the both ends of first wedge-shaped bar are provided with the first inclined-plane, set between first wedge-shaped bar and the inner cylinder
Set the first elastic parts resetted for first wedge-shaped bar；One end of the third wedge-shaped bar is located in the cavity and this end
It is provided with third inclined-plane, the other end is fixed with sealing block；It is provided between the third wedge-shaped bar and the inner cylinder for described the
The third elastic parts that three wedge-shaped bars reset；The both ends of second wedge-shaped bar be separately provided for first inclined-plane and
The second inclined-plane that third inclined-plane abuts against；When refueling nozzle is inserted into the inner cylinder, the extruding force of generation through first wedge-shaped bar,
Second wedge-shaped bar and third wedge-shaped bar are transferred to the sealing block, and the sealing block is made to be clamped in the surface of refueling nozzle, each institute
It states sealing block and forms the circumferential seal ring being sealed to gap between the refueling nozzle and the inner cylinder.
Further, first elastic parts includes the first supporting plate and the first spring；First supporting plate is provided with logical
Hole, first supporting plate are mounted in first wedge-shaped bar by through-hole, and the both ends of first spring are respectively with described
One supporting plate is connected with the inner cylinder.
Further, the third elastic parts includes the multiple third springs circumferentially uniformly distributed along third wedge-shaped bar, described
The both ends of third spring are connect with the end of the inner cylinder and third wedge-shaped bar respectively.
Further, the side of the second wedge-shaped bar towards the outer cylinder is provided with gib block, and the outer cylinder is provided with
With the guide groove of gib block cooperation.
Further, bracket is equipped in the cavity at second mounting hole, the bracket is equipped with described in confession
The pilot hole that third wedge-shaped bar passes through.
Further, the sealing block is arc-shaped, and the sealing block is mounted on and the third wedge-shaped bar by screw
End.
Further, the sealing block includes arc snap ring and gasket, and the gasket is mounted on the arc snap ring
Away from the side of the third wedge-shaped bar.
Further, the oil filling pipe sealing and connecting device includes two groups of seal assemblies, seal assembly center described in two groups
It is symmetrical arranged in the cavity, and two sealing blocks surround an annular.
Further, the angle on first inclined-plane, the second inclined-plane and third inclined-plane is 35 ° to 75 °.
On the other hand the utility model provides a kind of automobile, including oil filling pipe, fuel tank and above-mentioned oil filling pipe are tightly connected
Device；Described oil filling pipe one end is connected to the inner cylinder of the oil filling pipe sealing and connecting device, and the other end is connected to the fuel tank.
Compared with prior art, oil filling pipe sealing and connecting device and automobile provided by the utility model have the advantage that
Oil filling pipe sealing and connecting device provided by the utility model, the cavity formed between the inner barrel and outer barrel of connector sleeve
Multiple seal assemblies are inside uniformly arranged, each seal assembly includes the first wedge-shaped bar and third perpendicular to the inner cylinder axis
Wedge-shaped bar, and the first wedge-shaped bar and the sliding of third wedge-shaped bar can the relatively described inner cylinder slidings；Second wedge-shaped bar is slidably installed outside
On the medial surface of cylinder, and both ends are abutted against with first wedge-shaped bar and third wedge-shaped bar respectively；In refueling nozzle insertion is described
When cylinder, refueling nozzle squeezes the first wedge-shaped bar towards the movement of outer cylinder side, passes extruding force through the second wedge-shaped bar and third wedge-shaped bar
Be handed to the sealing block of third wedge block end, sealing block clamping made to be mounted on the surface of refueling nozzle, with to refueling nozzle and inner cylinder it
Between gap carry out circumferential seal, i.e., refueling nozzle insertion oil filling pipe refueled when, utilize oiling provided by the utility model
Pipe connection can be sealed the gap between refueling nozzle and oil filling pipe, prevent oil-gas diffusion into air.
In addition to the utility model described above solve the technical issues of, constitute technical solution technical characteristic and by
Outside beneficial effect brought by the technical characteristic of these technical solutions, oil filling pipe sealing and connecting device provided by the utility model and
The other technical characteristics for including in other technologies problem that automotive oil tank can solve, technical solution and these technical characteristic bands
The beneficial effect come, will make further details of explanation in a specific embodiment.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be practical to this
New embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing be only that a part of the embodiment of the utility model is not paying creation for those of ordinary skill in the art
Property labour under the premise of, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the connection schematic diagram of oil filling pipe sealing and connecting device and oil filling pipe provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of connector sleeve in Fig. 1；
Fig. 3 is the enlarged drawing in the area A shown in Fig. 1；
Fig. 4 is the connection schematic diagram of sealing block and third wedge block in Fig. 1；
Description of symbols:
10- connector sleeve, 11- outer cylinder,
12- inner cylinder, 13- cavity,
The first mounting hole of 14-, the second mounting hole of 15-,
The first wedge-shaped bar of 20-, the first supporting plate of 21-,
The first spring of 22-, the second wedge-shaped bar of 30-,
40- third wedge-shaped bar, 41- bracket,
42- third spring, 50- sealing block,
51- arc snap ring, 52- gasket,
60- oil filling pipe.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure
Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
As shown in Figure 1 to Figure 3, oil filling pipe sealing and connecting device provided by the embodiment of the utility model, including connector sleeve 10
And at least two groups seal assembly；Wherein, connector sleeve 10 includes the chamber formed between inner cylinder 12, outer cylinder 11 and inner cylinder 12 and outer cylinder 11
Body 13,13 inner circumferential of cavity are evenly equipped at least two groups seal assembly.
Every group of seal assembly includes: the first wedge-shaped bar 20, the second wedge-shaped bar 30 and third wedge-shaped bar 40；Inner cylinder 12 is provided with
First mounting hole 14 and the second mounting hole 15, the first wedge-shaped bar 20 are slidably mounted in the first mounting hole 14, third wedge-shaped bar 40
It is slidably mounted in the second mounting hole 15, and the first wedge-shaped bar 20 and third wedge-shaped bar 40 can be along the axis sides perpendicular to inner cylinder 12
To sliding；Second wedge-shaped bar 30 is slidably mounted on the medial surface of outer cylinder 11, and wedge-shaped with the first wedge-shaped bar 20 and second respectively
Item 30 is vertical.
First wedge-shaped bar, 20 one end is located at outside cavity 13, and the other end is located in cavity 13, and the both ends of the first wedge-shaped bar 20 are equal
It is provided with the first inclined-plane, the first elastic parts that setting is resetted for the first wedge-shaped bar 20 between the first wedge-shaped bar 20 and inner cylinder 12；
One end of third wedge-shaped bar 40 is located in cavity 13 and this end is provided with third inclined-plane, and the other end is fixed with sealing block 50；Third
The third elastic parts resetted for third wedge-shaped bar 40 is provided between wedge-shaped bar 40 and inner cylinder 12；The both ends of second wedge-shaped bar 30
It is separately provided for the second inclined-plane abutted against with the first inclined-plane and third inclined-plane.
When refueling nozzle is inserted into inner cylinder 12, the extruding force of generation is through the first wedge-shaped bar 20, the second wedge-shaped bar 30 and third wedge
Shape item 40 is transferred to sealing block 50, and sealing block 50 is made to be clamped in the surface of refueling nozzle, and each sealing block 50 is formed to refueling nozzle and interior
The circumferential seal ring that gap is sealed between cylinder 12.
Specifically, connector sleeve 10 includes inner cylinder 12 and the outer cylinder 11 being set in outside inner cylinder 12, between inner cylinder 12 and outer cylinder 11
Form cavity 13；Every group of seal assembly corresponding region, inner cylinder 12 is provided with the first mounting hole 14 and the second mounting hole 15, and first
Mounting hole 14 and the second mounting hole 15 are the radial hole vertical with the axis of inner cylinder 12, and the first mounting hole 14 and second is installed
Hole 15 is arranged in a straight line along the same for being parallel to inner cylinder axis.First wedge-shaped bar 20 is mounted in the first mounting hole 14, and energy
Enough axis directions along perpendicular to inner cylinder 12 are slided；Third wedge-shaped bar 40 is mounted in the second mounting hole 15, and can
It is slided along the axis direction perpendicular to inner cylinder 12.Second wedge-shaped bar 30 is slidably mounted on the inner wall of outer cylinder 11, both ends
It is located at one end in cavity 13 with the first wedge-shaped bar 20 and third wedge-shaped bar 340 respectively to abut；Second wedge-shaped bar 30 is in first wedge
It can be slided along the axis direction for being parallel to inner cylinder 12 under the action of shape item 20 or third wedge-shaped bar 40.It is understood that the
One mounting hole 14 and the second mounting hole 15 make the first wedge-shaped bar respectively with 30 clearance fit of the first wedge-shaped bar 20 and the second wedge-shaped bar
20 and second wedge-shaped bar 30 slided in the first mounting hole 14 and the second mounting hole 15 respectively.
In the present embodiment, the rectangular strip of rigid material production, 20 one end of the first wedge-shaped bar can be used in the first wedge-shaped bar 20
In inner cylinder 12, the other end is located in cavity 13 and abuts against with one end of the second wedge-shaped bar 30；The two of first wedge-shaped bar 20
End is provided with the first inclined-plane, after the first wedge-shaped bar 20 is mounted on the first mounting hole 14, is located at the first inclined-plane in inner cylinder 12
Opposite with the direction of refueling nozzle insertion, the extruding force generated when refueling nozzle supports first inclined-plane can make the first wedge-shaped bar 20
It is mobile towards outer cylinder 11.In the present embodiment, first elastic parts is installed between the first wedge-shaped bar 20 and inner cylinder 12, is being refueled
When rifle and the first inclined-plane are detached from, under the elastic force effect of the first elastic parts, the first wedge-shaped bar 20 is mobile towards 12 side of inner cylinder
To original position.It is understood that the first elastic parts may be mounted in inner cylinder 12, when refueling nozzle is not supported on the first inclined-plane
When, in the raw, when refueling nozzle is supported at the first inclined-plane, the first elastic parts is in compression shape to the first elastic parts
State；Certainly, the first elastic parts also may be mounted in cavity 13, and when refueling nozzle is not supported at the first inclined-plane, first is elastic
In the raw, when refueling nozzle is supported at the first inclined-plane, the first elastic parts is in tensional state to component；In the present embodiment
It is preferred that the first elastic parts is mounted in cavity 13.
The rectangular strip of rigid material production can be used in third wedge-shaped bar 40, and 40 one end of third wedge-shaped bar is located in cavity 13,
And this end is provided with the third inclined-plane abutted against with the second wedge-shaped bar 30, the other end of third wedge-shaped bar 40 is fixed with sealing block
50, sealing block 50 can pass through the second mounting hole 15 and enter in inner cylinder 12.In the present embodiment, third wedge-shaped bar 40 is close to inner cylinder 12
End and inner cylinder 12 between third elastic parts is installed, when refueling nozzle is extracted from inner cylinder 12, sealing block 50 is from refueling nozzle
It is detached from surface, third elastic parts drives the direction of third wedge-shaped bar 40 towards outer cylinder 11 to be moved to original position, and then drives the
Two wedge-shaped bars 30 reset.It is understood that third elastic parts may be mounted in inner cylinder 12, when refueling nozzle is not inserted into inner cylinder
When 12, in the raw, when refueling nozzle is inserted into inner cylinder 12, third elastic parts is in tensional state to third elastic parts；
Certainly, third elastic parts also may be mounted in cavity 13, and when refueling nozzle is not inserted into inner cylinder 12, third elastic parts is in
Nature, when refueling nozzle is inserted into inner cylinder 12, third elastic parts is in compressive state；Preferably by third bullet in the present embodiment
Property component is mounted in cavity 13.
The rectangular strip of rigid material production equally can be used in second wedge-shaped bar 30, and the both ends of the second wedge-shaped bar 30 are respectively set
Have the second inclined-plane, the second wedge-shaped bar 30 by second inclined-plane at both ends respectively with the first inclined-plane and third wedge of the first wedge-shaped bar 20
The third inclined-plane of shape item 40 abuts against.When refueling nozzle insertion inner cylinder 12 is refueled, refueling nozzle is supported on the first inclined-plane simultaneously
It is mobile towards 11 direction of outer cylinder to drive the first wedge-shaped bar 20, and shifts to the second wedge-shaped bar 30, the first wedge-shaped bar 20 and the second wedge shape
The second inclined-plane that the first inclined-plane that item 30 offsets squeezes the second wedge-shaped bar 30 makes the second wedge-shaped bar 30 along being parallel to 12 axis of inner cylinder
Direction move to the third inclined-plane of third wedge-shaped bar 40；Third wedge-shaped bar 40 is in this active force lower edge perpendicular to 12 axis of inner cylinder
Direction and mobile towards inner cylinder 12, the sealing block 50 of 40 end of third wedge-shaped bar passes through the second mounting hole 15 and is clamped to oiling
The sealing block 50 on the surface of rifle, each seal assembly surrounds an annular sealing ring on refueling nozzle surface, can be to refueling nozzle and inner cylinder
Gap between 12 is sealed.
When refueling nozzle is extracted out of inner cylinder 12, refueling nozzle is detached from the first inclined-plane of the first wedge-shaped bar 20 first, and first
Elastic parts is restored by tensional state to nature, drives the first wedge-shaped bar 20 mobile towards 12 direction of inner cylinder, to the first bullet
Property component recovery to nature when, the first wedge-shaped bar 20 is restored to original position；Secondly, refueling nozzle and sealing block 50 are detached from, third
When elastic parts is restored by compressive state to nature, third wedge-shaped bar 40 is mobile towards 11 direction of outer cylinder and restores to original
Position, during third wedge-shaped bar 40 resets, the second wedge-shaped bar 30 is restored under the action of third wedge-shaped bar 40 to original position.This
Utility model embodiment provide oil filling pipe sealing and connecting device can effectively prevent the oil gas in refueling process in fuel tank from
It is diffused in air at gap between refueling nozzle and inner cylinder 12.
In the present embodiment, the first elastic parts includes the first supporting plate 21 and the first spring 22；First supporting plate 21 is provided with logical
Hole, the first supporting plate 21 are mounted in the first wedge-shaped bar 20 by through-hole, the both ends of the first spring 22 respectively with the first supporting plate 21 and
Inner cylinder 12 connects.Specifically, the first elastic parts may include multiple first spring 22 circumferentially uniformly distributed along the first wedge-shaped bar 20, the
The both ends of one spring 22 are connected on the first supporting plate 21 and inner cylinder 12.It is understood that steel plate can be used in the first supporting plate
Production, the first supporting plate 21 are provided with the through-hole passed through for the first wedge-shaped bar 20, the through-hole of the first supporting plate 21 and the first wedge-shaped bar 20
Clearance fit；When the first wedge-shaped bar 20 is inserted into the through-hole of the first supporting plate 21, the outer rim of through-hole and the first wedge-shaped bar 20 pass through weldering
Fixation is connect, so that the first supporting plate 21 is fixed in the first wedge-shaped bar 20.
In addition, the first wedge-shaped bar 20 can also be linked together with the first supporting plate 21 by the way of being threadedly coupled；First
Internal screw thread is provided in the through-hole of supporting plate 21, the first wedge-shaped bar 20 and 21 junction of the first supporting plate are provided with the internal screw thread with through-hole
The external screw thread matched, the first supporting plate 21 are socketed in the first wedge-shaped bar 20 by its internal screw thread, and adjustable first
Installation site of the plate 21 in the first wedge-shaped bar 20.
First spring 22 is mounted on after cavity in nature, and when refueling nozzle is inserted into inner cylinder 12, refueling nozzle is supported the
On first inclined-plane of one wedge-shaped bar 20, the extruding force of generation makes the first wedge-shaped bar 20 overcome the elastic force of the first spring 22 towards outer cylinder
11 is mobile, and the first spring 22 is in tensional state at this time, and the first wedge-shaped bar 20 is made to have the trend of reset, pulls out to refueling nozzle from interior
Out, refueling nozzle and the first inclined-plane are detached from, and the first wedge-shaped bar 20 is resetted under the action of the first spring 22.
In the present embodiment, third elastic parts includes the multiple third springs 42 circumferentially uniformly distributed along third wedge-shaped bar 40, the
The both ends of three springs 42 are connect with the end of inner cylinder 12 and third wedge-shaped bar 40 respectively.Specifically, the end of third wedge-shaped bar 40
Sealing block 50 is installed, has been arranged symmetrically multiple third springs 42 in the two sides of its sealing block 50, and third spring 42 is located at chamber
In body 13, one end of third spring 42 is connect with the end of third wedge-shaped bar 40, and the other end and inner cylinder 12 of third spring 42 connect
It connects.Third spring 42 is described in detail below when refueling nozzle is inserted into inner cylinder 12 and extracts out of inner cylinder 12, the shape of third spring 42
State variation.
Third spring 42 is mounted on after cavity 13 in the raw, when refueling nozzle is inserted into inner cylinder 12, the first wedge-shaped bar
Extruding force suffered by it is transferred to third wedge-shaped bar 40 close to one end of inner cylinder 12 through the second wedge-shaped bar 30 by 20, is transferred to third
The extruding force of wedge-shaped bar 40 need to overcome the elastic force of third spring 42, and the sealing block 50 of its end is clamped in the surface of refueling nozzle,
And the gap between refueling nozzle and inner cylinder 12 is sealed.When refueling nozzle is extracted out of inner cylinder 12, to third inclined-plane and add
When oil gun is detached from, third spring 42 is restored by compressive state to nature, drives third wedge-shaped bar 40 towards outer cylinder
11 directions are mobile, and third wedge-shaped bar 40 promotes the second wedge-shaped bar 30 mobile to 20 side of the first wedge-shaped bar under the effect of this elastic force
And restore to original position, when the second wedge-shaped bar 30 restore to it is in situ when, third wedge-shaped bar 40 also will then revert to original position.
In the present embodiment, the side of the second wedge-shaped bar 30 towards outer cylinder 11 is provided with gib block, and outer cylinder 11 is provided with and leads
The guide groove cooperated to item.Specifically, the one side of the second wedge-shaped bar 30 of selection protrudes outward to form gib block, and this gib block
Towards 11 inner wall of outer cylinder；Outer cylinder 11 is provided with guide groove, the second wedge-shaped bar on its side wall with 30 junction of the second wedge-shaped bar
30 are mounted in guide groove by its gib block, sliding along outer cylinder 11 under the action of the first wedge-shaped bar 20 or third wedge-shaped bar 40
It is dynamic.It is understood that guide groove has also can be set in the second wedge-shaped bar 30, outer cylinder 11 is provided with gib block, equally may be used
Realize the second being slidably installed on outer cylinder 11 of wedge-shaped bar 30.Furthermore above-mentioned guide groove can also be arranged to dovetail groove, and in swallow
Limited position mechanism is arranged in the both ends of stern notch, prevents the second wedge-shaped bar 30 from sliding from outer cylinder 11.
In the present embodiment, bracket 41 is equipped in cavity 13 at the second mounting hole 15, bracket 41 is equipped with for third wedge
The pilot hole that shape item 40 passes through.Specifically, bracket 41 includes top panel and the connecting plate being connected with top panel, at the top of it
Panel is provided with the pilot hole passed through for third wedge-shaped bar 40, and bracket 41 is connected through two that plate is fixed on the second mounting hole 15
Side.40 one end of third wedge-shaped bar passes through the pilot hole of bracket 41 and extends to the second wedge-shaped bar 30, in the work of the second wedge-shaped bar 30
Under, third wedge-shaped bar 40 can only be moved along pilot hole, and limit the moving direction of third wedge-shaped bar 40.It is understood that
It is that other structures form can also be used in bracket 41, the ware type structure for example including a bottom plate and the annular slab being connect with bottom plate, bottom
Plate is provided with limit hole, and is connected on inner cylinder 12 by annular slab.The present embodiment does not limit the planform of bracket 41
It is fixed.
As shown in figure 4, sealing block 50 is arc-shaped in the present embodiment, sealing block 50 is mounted on third wedge-shaped bar by screw
40 end.Specifically, sealing block 50 can be adopted as the production of strip arc panel, sealing block 50 is matched with 15 gap of the second mounting hole
It closes, sealing block 50 can be made to move back and forth in the second mounting hole 15.The center position of selection sealing block 50 is provided with counterbore, In
40 one end of third wedge-shaped bar is provided with arc mounting groove, and sealing block 50 is mounted in arc mounting groove, in arc mounting groove and sinks
Hole corresponding position is provided with threaded hole, and sealing block 50 is bolted in third wedge-shaped bar 40, and the nut surface position of bolt
In in counterbore, capable of guaranteeing that sealing block 50 is fitted closely with refueling nozzle.It is understood that its other party can also be used in sealing block 50
Formula is fixed in third wedge-shaped bar 40, for example, sealing block 50 can weld in the end of third wedge-shaped bar 40, it can also be by sealing block 50
It is integrally formed and makes with third wedge-shaped bar 40.
It on the basis of the above embodiments, is the structural strength for enhancing sealing block 50, sealing block 50 is provided with arc snap ring
51 and gasket 52, gasket 52 is mounted on the side that arc snap ring 51 deviates from third wedge-shaped bar 40.Specifically, can be using rigid
Property plate make arc snap ring 51, be bonded in the inside side of third wedge-shaped bar 40 (arc snap ring 51 deviate from) of arc snap ring 51
Shape and the similar gasket 52 of arc snap ring 51, gasket 52 is made of wear resistant elastic material, such as rubber.It is understood that
, the semicircle gaskets 52 of two be arranged in the present embodiment can form circumferential seal ring to refueling nozzle, to refueling nozzle and interior
Gap between cylinder 12 is sealed.
In the present embodiment, oil filling pipe sealing and connecting device includes two groups of seal assemblies, and two groups of seal assembly central symmetries are set
It sets in cavity 13, and two sealing blocks 50 surround an annular.Specifically, two groups of seal assembly center symmetric settings are in cavity 13
It is interior, 50 semicircular in shape of sealing block of 40 end of the third wedge-shaped bar installation of seal assembly, when refueling nozzle is inserted into inner cylinder 12, two
Semicircle sealing block 50 is clamped on refueling nozzle respectively, forms the ring packing to refueling nozzle.By two groups of seal assembly centers pair
Claim to be arranged in cavity 13, each component of seal assembly can be made to move consistent, enhance the clamping effect to the surface of refueling nozzle, mention
Rise the leakproofness to the gap between refueling nozzle and inner cylinder 12.
In the present embodiment, the angle on the first inclined-plane, the second inclined-plane and third inclined-plane is 35 ° to 75 °, it is to be understood that
Equal angular, preferably 45 ° can be used in first inclined-plane, the second inclined-plane and third inclined-plane, by the first inclined-plane, the second inclined-plane and third
Inclined-plane is set as 45 °, the power transmission excellent effect between the first wedge-shaped bar 20, the second wedge-shaped bar 30 and third wedge-shaped bar 40.This reality
The first inclined-plane, the second inclined-plane and third inclined-plane can also be arranged to different angles by applying in example, and the angle of three can be at 35 °
It is selected within the scope of to 75 °.
Referring to Fig. 1, automobile provided by the embodiment of the utility model, connects including the oiling seal of tube described in above-described embodiment
Connection device, oil filling pipe 60 and fuel tank, 60 one end of oil filling pipe are connected to the inner cylinder 12 of oil filling pipe sealing and connecting device, the other end and oil
Case connection.It is understood that 12 one end of inner cylinder in oil filling pipe sealing and connecting device is threadedly coupled with oil filling pipe 60, the other end
It is connected to the refueling nozzle insert port of car body, oil filling pipe sealing and connecting device can be embedded in the lower section of automobile fuel filler cap；Work as refueling nozzle
When being inserted into the inner cylinder 12 of oiling sealing and connecting device, the sealing block 50 of oiling sealing and connecting device is between refueling nozzle and inner cylinder 12
Gap be sealed, prevent oil gas in automotive oil tank from diffusing in air by the gap between refueling nozzle and inner cylinder 12.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of oil filling pipe sealing and connecting device characterized by comprising connector sleeve and at least two groups seal assembly；
The connector sleeve includes the cavity formed between inner cylinder, outer cylinder and inner cylinder and outer cylinder；The cavity inner circumferential be evenly equipped with to
Few two groups of seal assemblies；Seal assembly described in every group includes: the first wedge-shaped bar, the second wedge-shaped bar and third wedge-shaped bar；
The inner cylinder is provided with the first mounting hole and the second mounting hole, and first wedge-shaped bar is slidably mounted on first installation
In hole, the third wedge-shaped bar is slidably mounted in second mounting hole, and first wedge-shaped bar and third wedge-shaped bar can
It is slided along the axis direction perpendicular to the inner cylinder；Second wedge-shaped bar is slidably mounted on the medial surface of the outer cylinder, and
It is vertical with first wedge-shaped bar and the second wedge-shaped bar respectively；
First wedge-shaped bar one end is located at outside the cavity, and the other end is located in the cavity, and the two of first wedge-shaped bar
End is provided with the first inclined-plane, setting is resetted for first wedge-shaped bar between first wedge-shaped bar and the inner cylinder first
Elastic parts；
One end of the third wedge-shaped bar is located in the cavity and this end is provided with third inclined-plane, and the other end is fixed with sealing
Block；The third elastic parts resetted for the third wedge-shaped bar is provided between the third wedge-shaped bar and the inner cylinder；
The both ends of second wedge-shaped bar are separately provided for abut against with first inclined-plane and third inclined-plane second tiltedly
Face；When refueling nozzle is inserted into the inner cylinder, the extruding force of generation is through first wedge-shaped bar, the second wedge-shaped bar and third wedge-shaped bar
It is transferred to the sealing block, the sealing block is made to be clamped in the surface of refueling nozzle, each sealing block is formed to the refueling nozzle
The circumferential seal ring that gap is sealed between the inner cylinder.
2. oil filling pipe sealing and connecting device according to claim 1, which is characterized in that first elastic parts includes the
One supporting plate and the first spring；
First supporting plate is provided with through-hole, and first supporting plate is mounted in first wedge-shaped bar by through-hole, and described
The both ends of one spring are connect with first supporting plate and the inner cylinder respectively.
3. oil filling pipe sealing and connecting device according to claim 1, which is characterized in that the third elastic parts includes edge
The circumferentially uniformly distributed multiple third springs of third wedge-shaped bar, the both ends of the third spring respectively with the inner cylinder and third wedge-shaped bar
End connection.
4. oil filling pipe sealing and connecting device according to claim 1, which is characterized in that second wedge-shaped bar is described in
The side of outer cylinder is provided with gib block, and the outer cylinder is provided with the guide groove with gib block cooperation.
5. oil filling pipe sealing and connecting device according to claim 1, which is characterized in that close to described second in the cavity
Bracket is equipped at mounting hole, the bracket is equipped with the pilot hole passed through for the third wedge-shaped bar.
6. oil filling pipe sealing and connecting device according to claim 1, which is characterized in that the sealing block is arc-shaped, described
Sealing block is mounted on the end with the third wedge-shaped bar by screw.
7. oil filling pipe sealing and connecting device according to claim 6, which is characterized in that the sealing block includes arc snap ring
And gasket, the gasket are mounted on the side that the arc snap ring deviates from the third wedge-shaped bar.
8. oil filling pipe sealing and connecting device according to claim 1, which is characterized in that the oil filling pipe sealing and connecting device
Including two groups of seal assemblies；
Seal assembly center symmetric setting described in two groups in the cavity, and two sealing blocks surround one annular.
9. oil filling pipe sealing and connecting device according to claim 1, which is characterized in that first inclined-plane, the second inclined-plane
And the angle on third inclined-plane is 35 ° to 75 °.
10. a kind of automobile, which is characterized in that close including oil filling pipe, fuel tank and any oil filling pipe of claim 1 to 9
Seal attachment device；
Described oil filling pipe one end is connected to the inner cylinder of the oil filling pipe sealing and connecting device, and the other end is connected to the fuel tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920001934.5U CN209683443U (en) | 2019-01-02 | 2019-01-02 | Oil filling pipe sealing and connecting device and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920001934.5U CN209683443U (en) | 2019-01-02 | 2019-01-02 | Oil filling pipe sealing and connecting device and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209683443U true CN209683443U (en) | 2019-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920001934.5U Active CN209683443U (en) | 2019-01-02 | 2019-01-02 | Oil filling pipe sealing and connecting device and automobile |
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| Country | Link |
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| CN (1) | CN209683443U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112793412A (en) * | 2021-03-12 | 2021-05-14 | 浙江锦安汽车零部件有限公司 | Oil filling pipe and production process thereof |
-
2019
- 2019-01-02 CN CN201920001934.5U patent/CN209683443U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112793412A (en) * | 2021-03-12 | 2021-05-14 | 浙江锦安汽车零部件有限公司 | Oil filling pipe and production process thereof |
| CN112793412B (en) * | 2021-03-12 | 2022-02-11 | 浙江锦安汽车零部件有限公司 | Oil filling pipe and production process thereof |
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