CN109751169A - Clip and fuel injection assemblies - Google Patents
Clip and fuel injection assemblies Download PDFInfo
- Publication number
- CN109751169A CN109751169A CN201711083119.XA CN201711083119A CN109751169A CN 109751169 A CN109751169 A CN 109751169A CN 201711083119 A CN201711083119 A CN 201711083119A CN 109751169 A CN109751169 A CN 109751169A
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- CN
- China
- Prior art keywords
- elastic portion
- rotation prevention
- elastic
- clip
- injector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The present invention provides a kind of fuel injection assemblies, including injector, injector cup and clip.Injector includes fuel oil upstream end and fuel outlet end.Injector cup is equipped with hole and the collar around hole circumferentially extending.Collar is equipped with anti-rotation groove, and hole is equipped with opening, and fuel outlet end is placed in hole by opening.Clip include the rotation prevention portion from bottom to top protruded into anti-rotation groove, from rotation prevention portion extend in U-typed the first elastic portion and from rotation prevention portion extend in U-typed and the second elastic portion for being provided separately with the first elastic portion in the direction of extension.The upper end of first elastic portion, the second elastic portion upper end be mutually sent to together with the lower end of rotation prevention portion.The opening for accommodating injector is equipped between first elastic portion and the second elastic portion, clip is equipped with standstill face, and injector is equipped with the catch surface matched with standstill face.The present invention is additionally provided with a kind of clip for fuel injection assemblies.Clip and fuel injection assemblies structure of the invention is simple, small in size and manufacture is easy.
Description
Technical field
The present invention relates to a kind of clip and fuel injection assemblies, especially a kind of clip and fuel injection for internal combustion engine
Component.
Background technique
Chinese patent bulletin CN103291516B discloses a kind of clip comprising rotation prevention portion is connected with rotation prevention portion
First elastic portion and the second elastic portion being connected with rotation prevention portion.Intersected due to rotation prevention portion with the first elastic portion and the second elastic portion
Region is located at the lower section of the first elastic portion and the second elastic portion, so in order to enable rotation prevention portion can on fuel injection assemblies
Injector cup phase clamping, it is required that rotation prevention portion has enough length.Since the side of injector is arranged in rotation prevention portion, so holding
It easily causes and occupies biggish volume, and then be likely to result in interference.
Summary of the invention
The object of the present invention is to provide a kind of structures simply, manufactures clip that is easy and occupying little space and with clip
Fuel injection assemblies.
According to an aspect of the present invention, a kind of fuel injection assemblies are provided, longitudinal axis is equipped with comprising:
Injector, the injector include fuel oil upstream end and fuel outlet end；
Injector cup, the injector cup is equipped with hole and the collar around hole circumferentially extending, the collar are equipped with anti-
Turn trough, the hole are equipped with opening, and the fuel outlet end is placed in hole by opening；
Clip, the clip include the rotation prevention portion from bottom to top protruded into anti-rotation groove, from rotation prevention portion extend in U-typed
The first elastic portion and the be provided separately in U-typed and in the direction of extension with the first elastic portion extended from rotation prevention portion
Two elastic portions, the upper end of first elastic portion, the upper end of the second elastic portion are mutually sent to together with the lower end of rotation prevention portion, and described
The opening for accommodating injector is equipped between one elastic portion and the second elastic portion, clip is equipped with standstill face, and injector is equipped with
The catch surface matched with standstill face.
Preferably, the standstill face is set in the first elastic portion and/or the second elastic portion.
Preferably, grasping part is equipped between first elastic portion and the second elastic portion, the standstill face is set to first
The tail end of elastic portion and/or the second elastic portion and towards grasping part.
Preferably, the standstill face includes the arc for being set to the plane in outside and being connected and be set to planar inner with plane
Face.
Preferably, the tail end of first elastic portion and the second elastic portion is located in same level, the rotation stop position
In on vertical plane.
Preferably, first elastic portion includes the first support division being in contact with collar, and second elastic portion includes
The second support division being in contact with collar, first support division and the second support division are located on sustained height.
Preferably, the injector be equipped with the first shoulder for being in contact with the tail end of the first elastic portion and with the second elastic portion
The second shoulder for being in contact of tail end, first shoulder and the second shoulder are in the same plane, and first elastic portion is set
Between collar and the first shoulder, second elastic portion is placed between collar and the second shoulder.
Preferably, the fuel injection assemblies are symmetrical structure.
According to an aspect of the present invention, a kind of fuel injection assemblies are provided, longitudinal axis is equipped with comprising:
Injector, the injector include fuel oil upstream end and fuel outlet end；
Injector cup, the injector cup is equipped with hole and the collar around hole circumferentially extending, the collar are equipped with anti-
Turn trough, the hole are equipped with opening, and the fuel outlet end is placed in hole by opening；
Clip, the clip include the rotation prevention portion protruded into anti-rotation groove, from rotation prevention portion it is unidirectionally extended go out in the of U-typed
One elastic portion and from rotation prevention portion it is unidirectionally extended go out the be provided separately in U-typed and in the direction of extension with the first elastic portion
Two elastic portions, are equipped with the opening for accommodating injector between first elastic portion and the second elastic portion, the rotation prevention portion is set
In the top of the first elastic portion and the second elastic portion, the rotation prevention portion, the first elastic portion and the second elastic portion are intersected at one, card
It is folded with standstill face, injector is equipped with the catch surface matched with standstill face.
According to an aspect of the present invention, a kind of clip is provided comprising rotation prevention portion, from rotation prevention portion it is unidirectionally extended go out be in
First elastic portion of U-typed and from rotation prevention portion it is unidirectionally extended go out in U-typed and in the direction of extension with the first elastic part
The second elastic portion set is opened up, the rotation prevention portion is set to the top of the first elastic portion and the second elastic portion, the rotation prevention portion, first
Elastic portion and the second elastic portion intersect at one, and clip is equipped with standstill face.
According to an aspect of the present invention, a kind of clip is provided comprising rotation prevention portion, from rotation prevention portion extend in " U "
It first elastic portion of type and is provided separately in U-typed and in the direction of extension with the first elastic portion from what rotation prevention portion extended
Second elastic portion, the upper end of first elastic portion, the upper end of the second elastic portion are mutually sent to together with the lower end of rotation prevention portion, clip
It is additionally provided with standstill face.
According to an aspect of the present invention, a kind of clip is provided comprising rotation prevention portion, first to be connected with rotation prevention portion elasticity
Portion and the second elastic portion for being connected with rotation prevention portion and being provided separately with the first elastic portion, first elastic portion include and rotation stop
The connected first connecting portion in the lower end in portion, the first support portion and first connecting portion and the first support portion are connected first
Curved portion, second elastic portion include the second connecting portion being connected with the lower end of rotation prevention portion, the second support portion and by second
The second curved portion that interconnecting piece and the second support portion connect, the rotation prevention portion are located at the first elastic portion and the second elastic portion
Top forms opening, shape between first support division and the second support division between first elastic portion and the second elastic portion
At grasping part, clip is equipped with standstill face.
Clip structure provided by the invention is simple, manufacture is easy, and occupies lesser space within the engine, can to avoid
Interference is generated with engine when installation.
Detailed description of the invention
Fig. 1 is the perspective view of fuel injection assemblies of the invention.
Fig. 2 is the cross-sectional view of fuel injection assemblies of the invention.
Fig. 3 is the stereogram exploded view of fuel injection assemblies of the invention.
Fig. 4 is the stereogram exploded view of another angle of fuel injection assemblies of the invention.
Fig. 5 is the main view of fuel injection assemblies of the invention.
Fig. 6 is the enlarged drawing in Fig. 5 at " A ".
Fig. 7 is the cross-sectional view of B-B direction in Fig. 5.
Fig. 8 is the perspective view of clip.
Fig. 9 is the main view of clip.
Figure 10 is the bottom view of clip.
Figure 11 is the top view of clip.
Specific embodiment
Referring to shown in Fig. 1 to Fig. 2, the present invention provides a kind of fuel injection assemblies 100, is equipped with longitudinal axis L comprising
Injector 2, injector cup 1, clip 3 and fuel rail 4.Fuel rail 4 is fixed to injector cup 1 by welding
One end.Injector 2 includes fuel oil upstream end 21 and fuel outlet end 22.Injector cup 1 is equipped with hole 13 and surrounds hole 13 circumferentially
The collar 11 of extension.Collar 11 is equipped with anti-rotation groove 111.Hole 13 is equipped with opening 131, and fuel outlet end 22 is set by opening 131
In in hole 13.Injector cup 1 is equipped with body part 12, and collar 11 is set to the lower section of body part 12.
Fuel injection assemblies 100 further include the sealing ring 5 being placed between fuel oil upstream end 21 and ontology 12.Sealing ring 5 is set
In in hole 13.
Further participate in shown in Fig. 3 to Fig. 6, clip 3 include from bottom to top protrude into rotation prevention portion 31 in anti-rotation groove 111, from
Rotation prevention portion 31 extend in U-typed the first elastic portion 32 and from rotation prevention portion 31 extend in U-typed and in extension side
Upwards with first elastic 32 the second elastic portions 33 being provided separately.The upper end of first elastic portion 32, the second elastic portion 33 it is upper
End is mutually sent to together with the lower end of rotation prevention portion 31, is equipped between the first elastic portion 32 and the second elastic portion 33 for accommodating injector
2 opening 34.Clip 3 is additionally provided with and standstill face, and injector 2 is equipped with the catch surface matched with standstill face.The present invention passes through
Clip 3 can rotate to avoid injector 2 relative to injector cup 1, while the elastic force of the L of axis along longitudinal direction on clip 3 can avoid
Injector 2 and the hard contact of injector cup 1 and caused by damage；In addition, since rotation prevention portion 31 is set to 32 He of the first elastic portion
The top of second elastic portion 33 so shorter, saving material can be set in the length of rotation prevention portion 31, while can reduce clip
3 volumes occupied in 100 transverse direction of fuel injection assemblies generate interference when to avoid installation.
In a preferred embodiment, standstill face is set in the first elastic portion 32 and the second elastic portion 33.In other implementations
In mode, standstill face can also be set in the first elastic portion 32 or the second elastic portion 33.
Grasping part 35 is equipped between first elastic portion 32 and the second elastic portion 33, standstill face is set to the first elastic portion 32
And/or second elastic portion 33 tail end and towards grasping part 35.
With further reference to shown in Fig. 7, standstill face is set to the first standstill face of the first elastic portion 32 and is set to the second elastic portion
33 the second standstill face.First standstill face includes being set to first plane 3232 in outside and being connected and set with the first plane 3232
The first arcwall face 3231 in 3232 inside of the first plane.Second standstill face include set on outside the second plane 3332 and with
Second plane 3332 is connected and is set to the second arcwall face 3331 of 3332 inside of the second plane.
Catch surface includes the second catch surface with the first catch surface of the first standstill face cooperation and with the cooperation of the second standstill face.
First catch surface includes the with the first flat-shaped catch surface 221 of the first plane 3232 cooperation and with the cooperation of the first arcwall face 3231
One arc catch surface 222.Second catch surface include with the second plane 3332 cooperation the second flat-shaped catch surface 211 and with the second arc
The second arc catch surface 212 that shape face 3331 cooperates.
With further reference to shown in Fig. 8 to Figure 11, the first elastic portion 32 includes that first to be connected with the lower end of rotation prevention portion 31 connects
Socket part 321, the first support portion 323 and the first curved portion for connecting first connecting portion 321 and the first support portion 323
322.Second elastic portion 33 includes the second connecting portion 331 being connected with the lower end of rotation prevention portion 31, the second support portion 333 and by
The second curved portion 332 that two interconnecting pieces 331 and the second support portion 333 connect.
The tail end (i.e. the first support portion 323 and the second support portion 333) of first elastic portion 32 and the second elasticity 33 is located at
In same level, rotation prevention portion 31 is located on vertical plane.
First elastic portion 32 includes the first support division 3211 being in contact with collar 11, and the second elastic portion 33 includes and collar
11 the second support divisions 3311 being in contact.First support division 3211 and the second support division 3311 are located on sustained height.In this hair
In bright, the first elastic deformation area in the first elastic portion 32 is between the first support division 3211 and the first support portion 323.The
The second elastic deformation area in two elastic portions 33 is between the second support division 3311 and the second support portion 333.Rotation prevention portion 31
It is provided separately with the first support portion 323 and the second support portion 333, under the action of elastic force, rotation prevention portion 31 can be with respect to first
Support part 323 and the second about 333 support portion do slight movement.
Injector 2 is equipped with the first shoulder 223 being in contact with the first support portion 323 and is in contact with the second support portion 333
The second shoulder 213.First shoulder 223 and the second shoulder 213 are in the same plane.First elastic portion 32 is placed in 11 He of collar
Between first shoulder 223, the second elastic portion 33 is placed between collar 11 and the second shoulder 213.When in use, the first elastic portion 32
It is in compressive state with the second elastic portion 33, it, can be pre- to one is arranged between injector 2 and injector cup 1 by the setting
Clamp force, to avoid injector 2 and the hard contact of injector cup 1 to damage fuel injection assemblies 100.In present embodiment
In, injector 2 supports slot 22 and second equipped with first and supports slot 21.First elastic portion 32 is placed in first and supports in slot 22, and second
Elastic portion 33 is placed in second and supports in slot 21.
Fuel injection assemblies 100 are symmetrical structure, are symmetrical arranged with central axis H.By being symmetrical arranged, can to spray
Preload dynamic balance between emitter 2 and injector cup 1.
Those skilled in the art can be obvious, the above exemplary embodiments of the invention can be carry out various modifications and modification and
Without departing from the spirit and scope of the present invention.Accordingly, it is intended to which present invention covering is made to fall in the appended claims and its equivalence techniques
Modifications of the present invention and modification in aspects.
Claims (12)
1. a kind of fuel injection assemblies are equipped with longitudinal axis (L), characterized in that it comprises:
Injector (2), the injector (2) include fuel oil upstream end (21) and fuel outlet end (22)；
Injector cup (1), the injector cup (1) are equipped with hole (13) and the collar (11) around hole (13) circumferentially extending, institute
Collar (11) are stated equipped with anti-rotation groove (111), the hole (13) is equipped with opening (131), and the fuel outlet end (22) is by opening
Mouth (131) is placed in hole (13)；
Clip (3), the clip (3) include from bottom to top protruding into rotation prevention portion (31) in anti-rotation groove (111), from rotation prevention portion (31)
Extend in U-typed the first elastic portion (32) and from rotation prevention portion (31) extend in U-typed and in the direction of extension
The second elastic portion (33) being provided separately with the first elastic portion (32), the upper end of first elastic portion (32), the second elastic portion
(33) upper end is mutually sent to together with the lower end of rotation prevention portion (31), between first elastic portion (32) and the second elastic portion (33)
Equipped with the opening (34) for accommodating injector (2), clip (3) is equipped with standstill face, and injector (2) is equipped with to match with standstill face
The catch surface of conjunction.
2. fuel injection assemblies as described in claim 1, which is characterized in that the standstill face is set to the first elastic portion (32)
And/or second in elastic portion (33).
3. fuel injection assemblies as claimed in claim 2, which is characterized in that first elastic portion (32) and the second elastic portion
(33) grasping part (35) are equipped between, the standstill face is set to the tail of the first elastic portion (32) and/or the second elastic portion (33)
It holds and towards grasping part (35).
4. fuel injection assemblies as claimed in claim 3, which is characterized in that the standstill face includes the plane set on outside
(3232,3332) and with plane (3232,3332) be connected and be set to plane (3232,3332) on the inside of arcwall face (3231,
3331)。
5. fuel injection assemblies as claimed in claim 3, which is characterized in that first elastic portion (32) and the second elastic portion
(33) tail end is located in same level, and the rotation prevention portion (31) is located on vertical plane.
6. fuel injection assemblies as described in claim 1, which is characterized in that first elastic portion (32) includes and collar
(11) the first support division (3211) being in contact, second elastic portion (33) include that second to be in contact with collar (11) supports
Portion (3311), first support division (3211) and the second support division (3311) are located on sustained height.
7. fuel injection assemblies as claimed in claim 6, which is characterized in that the injector (2) is equipped with and the first elastic portion
(32) the first shoulder (223) that tail end is in contact and the second shoulder (213) being in contact with the tail end of the second elastic portion (33),
First shoulder (223) and the second shoulder (213) are in the same plane, and first elastic portion (32) is placed in collar (11)
And first between shoulder (223), second elastic portion (33) is placed between collar (11) and the second shoulder (213).
8. fuel injection assemblies as described in claim 1, which is characterized in that the fuel injection assemblies are symmetrical structure.
9. a kind of fuel injection assemblies are equipped with longitudinal axis (L), characterized in that it comprises:
Injector (2), the injector (2) include fuel oil upstream end (21) and fuel outlet end (22)；
Injector cup (1), the injector cup (1) are equipped with hole (13) and the collar (11) around hole (13) circumferentially extending, institute
Collar (11) are stated equipped with anti-rotation groove (111), the hole (13) is equipped with opening (131), and the fuel outlet end (21) is by opening
Mouth (131) is placed in hole (13)；
Clip (3), the clip (3) include protruding into rotation prevention portion (31) in anti-rotation groove (111), unidirectionally extended from rotation prevention portion (31)
Out in U-typed the first elastic portion (32) and from rotation prevention portion (31) it is unidirectionally extended go out in U-typed and in the direction of extension
The second elastic portion (33) being provided separately with the first elastic portion (32), first elastic portion (32) and the second elastic portion (33) it
Between be equipped with opening (34) for accommodating injector (2), the rotation prevention portion (31) is set to the first elastic portion (32) and second elastic
The top in portion (33), the rotation prevention portion (31), the first elastic portion (32) and the second elastic portion (33) intersect at one, clip (3)
Equipped with standstill face, injector (2) is equipped with the catch surface matched with standstill face.
10. a kind of clip, which is characterized in that it include rotation prevention portion (31), from rotation prevention portion (31) it is unidirectionally extended go out in U-typed
First elastic portion (32) and from rotation prevention portion (31) it is unidirectionally extended go out in U-typed and in the direction of extension with the first elastic portion
(32) the second elastic portion (33) being provided separately, the rotation prevention portion (31) are set to the first elastic portion (32) and the second elastic portion (33)
Top, the rotation prevention portion (31), the first elastic portion (32) and the second elastic portion (33) intersect at one, and clip (3) is equipped with only
Turn face.
11. a kind of clip, which is characterized in that it include rotation prevention portion (31), from rotation prevention portion (31) extend in the first of U-typed
Elastic portion (32) and from rotation prevention portion (31) extend in U-typed and separately being set with the first elastic portion (32) in the direction of extension
The second elastic portion (33) set, the upper end of first elastic portion (32), the upper end of the second elastic portion (33) and rotation prevention portion (31)
Lower end be mutually sent to together, clip (3) be equipped with standstill face.
12. a kind of clip, which is characterized in that it includes rotation prevention portion (31), the first elastic portion (32) being connected with rotation prevention portion (31)
And the second elastic portion (33) for being connected with rotation prevention portion (31) and being provided separately with the first elastic portion (32), first elastic portion
(32) include the first connecting portion (321) being connected with the lower end of rotation prevention portion (31), the first support portion (323) and connect first
The first curved portion (322) that portion (321) and the first support portion (323) connect, second elastic portion (33) include and stop
The connected second connecting portion (331) in the lower end of transfer part (31), the second support portion (333) and by second connecting portion (331) and the
The second curved portion (332) that two support portions (333) connect, the rotation prevention portion (31) are located at the first elastic portion (32) and second
The top of elastic portion (33) forms between first elastic portion (32) and the second elastic portion (33) and is open (34), and described first
Grasping part (35) are formed between support division (3211) and the second support division (3311), clip (3) is equipped with standstill face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711083119.XA CN109751169A (en) | 2017-11-07 | 2017-11-07 | Clip and fuel injection assemblies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711083119.XA CN109751169A (en) | 2017-11-07 | 2017-11-07 | Clip and fuel injection assemblies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109751169A true CN109751169A (en) | 2019-05-14 |
Family
ID=66400023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711083119.XA Pending CN109751169A (en) | 2017-11-07 | 2017-11-07 | Clip and fuel injection assemblies |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109751169A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120247426A1 (en) * | 2011-03-31 | 2012-10-04 | Denso Corporation | Cradled fuel injector mount assembly |
| US20130192565A1 (en) * | 2012-02-01 | 2013-08-01 | Denso International America, Inc. | Mounting point injector clip |
| CN104564470A (en) * | 2013-10-10 | 2015-04-29 | 大陆汽车有限公司 | Fluid injection assembly for a combustion engine |
| JP2016121568A (en) * | 2014-12-24 | 2016-07-07 | 株式会社デンソー | Clip for fuel injection valve and fuel injection valve unit |
-
2017
- 2017-11-07 CN CN201711083119.XA patent/CN109751169A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120247426A1 (en) * | 2011-03-31 | 2012-10-04 | Denso Corporation | Cradled fuel injector mount assembly |
| US20130192565A1 (en) * | 2012-02-01 | 2013-08-01 | Denso International America, Inc. | Mounting point injector clip |
| CN104564470A (en) * | 2013-10-10 | 2015-04-29 | 大陆汽车有限公司 | Fluid injection assembly for a combustion engine |
| JP2016121568A (en) * | 2014-12-24 | 2016-07-07 | 株式会社デンソー | Clip for fuel injection valve and fuel injection valve unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191230 Address after: 130033 No. 1981, Wuhan Road, Changchun Economic Development Zone, Jilin, China Applicant after: Shibeite automotive electronics (Changchun) Co., Ltd. Address before: 130033 No. 1981, Wuhan Road, Changchun Economic Development Zone, Jilin, China Applicant before: Continental Automotive Electronics (Changchun) Co., Ltd. |
|
| TA01 | Transfer of patent application right | ||
| CB02 | Change of applicant information |
Address after: 130033 No. 1981, Wuhan Road, Changchun Economic Development Zone, Jilin, China Applicant after: WeiPai automotive electronics (Changchun) Co., Ltd Address before: 130033 No. 1981, Wuhan Road, Changchun Economic Development Zone, Jilin, China Applicant before: Shibeite automotive electronics (Changchun) Co., Ltd. |
|
| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190514 |
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| RJ01 | Rejection of invention patent application after publication |