CN208534665U - Compression ring - Google Patents
Compression ring Download PDFInfo
- Publication number
- CN208534665U CN208534665U CN201820988523.5U CN201820988523U CN208534665U CN 208534665 U CN208534665 U CN 208534665U CN 201820988523 U CN201820988523 U CN 201820988523U CN 208534665 U CN208534665 U CN 208534665U
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- China
- Prior art keywords
- fuel injector
- compression ring
- limiting section
- ring body
- elastic pressing
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Abstract
It include: to compress ring body, the first limiting section and elastic pressing part the utility model discloses a kind of compression ring；It compresses ring body and is equipped with an opening, the setting of the first limiting section is open in the compression ring body of opposite side, and two elastic pressing parts are arranged in the compression ring body of the first limiting section two sides；Compression ring physical efficiency clamps fuel injector, and elastic pressing part provides upward elastic force to fuel injector, and fuel injector is fixed between the first limiting section and elastic pressing part.The utility model is under the premise of having original compression ring function and having no need to change oil injector seat and fuel injector, the function of being connected and fixed oil injector seat is increased by limit clamping part, the second limiting section and elastic pressing part, and the function of connection fuel injector is increased by holding division.The utility model is avoided that when dismantling oily rail assembly from engine, " rollover " occurs for fuel injector and the unilateral stress of compression ring.The utility model by holding division blocks fuel injector injection molding body after being installed in place, and can prevent fuel injector from falling.
Description
Technical field
The utility model relates to a kind of compression rings, more particularly, to a kind of pressure for in-cylinder direct-jet fuel distribution pipe assembly
Tight ring.
Background technique
As the requirement to the energy and environmental protection is increasingly stringent, automobile engine is also evolved in continuous upgrading.It is sent out to allow
Motivation obtains more strong power and higher fuel economy, and numerous automobile vendors have turned one's attention to in-cylinder direct-jet technology one after another, and
High pressure fuel distribution pipe assembly becomes the emphasis of research and development as the core component in direct injection technology.
Currently, high pressure fuel distribution pipe assembly mostly uses compression type structure, and as Figure 1-Figure 4, the compression type structure
Main includes such as lower component: high pressure fuel distribution pipe 1；High pressure fuel injector 2；High pressure sensor 3；Compression ring 4.Wherein, compression ring
Effect be similar to a spring, fuel injector is tightly pressed on cylinder cap.But due to compression ring not with oil injector seat and oil spout
Device is fixed, thus will generate following technical problem: 1) in packed and transported, fuel injector is easily detached from oily rail, causes client two
It is secondary difficult to install.2) when dismantling oily rail assembly from engine, fuel injector is easily detached from oily rail, and excess fuel is caused to trickle down engine
Outside causes customer experience poor.
Utility model content
The technical problem to be solved by the present invention is to provide one kind to be avoided that for in-cylinder direct-jet fuel distribution pipe assembly
Fuel injector is detached from the compression ring of oily rail.
In order to solve the above technical problems, compression ring provided by the utility model, comprising: compress ring body 9, the first limiting section
10 and elastic pressing part 12；
It compresses ring body 9 and is equipped with an opening A, the setting of the first limiting section 10 is open in the compression ring body 9 of the opposite side A, two bullets
Splenium 12 is arranged in the compression ring body 9 of 10 two sides of the first limiting section；
It compresses ring body 9 and is capable of clamping fuel injector 2, elastic pressing part 12 provides upward elastic force to fuel injector 2, and fuel injector 2 is fixed on
Between first limiting section 10 and elastic pressing part 12.
It is further improved the compression ring, the setting of the first limiting section 10 is located at the pressure of the opposite side first axle B-B upper opening A
In tight ring body 9；
First axle B-B: opening A geometric center and compression 9 geometric center line of ring body.
It is further improved the compression ring, holding division 13, holding division 13, which is arranged in, compresses the opening of ring body 9 two sides A
Buckle or fixing slot.
It is further improved the compression ring, two elastic pressing parts 12 and fuel injector 2 form face contact, two elastic pressing parts 12
Between non-parallel setting.
It is further improved the compression ring, the first limiting section 10 is limit clamping piece, and the first limiting section 10 is to oil spout
It is horizontal to fuel injector 2 while device 2 is to upper limit to clamp.
It is further improved the compression ring, the first limiting section 10 is U-shaped limit clamping piece, which limits clamping piece two
There is horizontally disposed position limiting structure 10.1 to realize fuel injector 2 to upper limit in side end portion, horizontally disposed position limiting structure 10.1
Inner sidewall is formed with clamp structure 10.1.1, which limits the clamp structure 10.1.1 of clamping piece both sides end to 2 shape of fuel injector
At clamping.
It is further improved the compression ring, the second limiting section 11, the compression of the opening two sides A is arranged in the second limiting section 11
In ring body 9, fuel injector 2 is fixed between the first limiting section 10, the second limiting section 11 and elastic pressing part 12.
It is further improved the compression ring, the first limiting section 10 is realized in vertical direction and limited to fuel injector 2.
It is further improved the compression ring, the first limiting section 10 is U-shaped limit clamping piece, which limits clamping piece two
There is the position limiting structure 10.2 being vertically arranged the position limiting structure 10.2 to upper limit, being vertically arranged is realized to fuel injector 2 in side end portion
Inner sidewall is formed with clamp structure 10.2.1, which limits the clamp structure 10.2.1 of clamping piece both sides end to fuel injector 2
Form clamping.
The utility model leads under the premise of having original compression ring function and having no need to change oil injector seat and fuel injector
It crosses the first limiting section, the second limiting section and elastic pressing part and increases the function of being connected and fixed oil injector seat, increased by holding division
Connect the function of fuel injector (injection molding body).In each preferred embodiment of the utility model, the first limiting section and two second limits
Position portion can form at least three tie point in oil injector seat outer so that compression ring is bonded with oil injector seat, be avoided that from
When dismantling oily rail assembly in engine, fuel injector and the unilateral stress of compression ring occur " rollover ".Elastic pressing part is (outer from oil injector seat
Edge) lower section applies a upward elastic force, while oil injector seat (outer) is by two the first limiting sections and second limiting section 3
Point is fixed, and keeps the utility model more stable while having the substrate hold-down function of original compression ring.After compression ring is installed in place
Fuel injector injection molding body is blocked by holding division, prevents fuel injector from falling.The utility model can be process using Sheet Metal Forming Technology, warp
The processes such as material-blanking-bending-shaping are overshooted, the processing and manufacturing for realizing compression ring is simplified.
Detailed description of the invention
Present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments:
Fig. 1 is the compression type structural schematic diagram one more than existing high pressure fuel distribution pipe assembly.
Fig. 2 is the compression type structural schematic diagram two more than existing high pressure fuel distribution pipe assembly.
Fig. 3 is the compression type structural schematic diagram three more than existing high pressure fuel distribution pipe assembly.
Fig. 4 is existing compression type structural schematic diagram.
Fig. 5 is the structural schematic diagram one of the utility model first embodiment.
Fig. 6 is the structural schematic diagram two of the utility model first embodiment.
Fig. 7 is the structural schematic diagram three of the utility model first embodiment.
Fig. 8 is the use state of the utility model first embodiment with reference to figure.
Fig. 9 is the structural schematic diagram one of the utility model second embodiment.
Figure 10 is the structural schematic diagram two of the utility model second embodiment.
Figure 11 is the structural schematic diagram three of the utility model second embodiment.
Figure 12 is the structural schematic diagram four of the utility model second embodiment.
Figure 13 is the use state of the utility model second embodiment with reference to figure.
Figure 14 is the structural schematic diagram one of the utility model 3rd embodiment.
Figure 15 is the structural schematic diagram two of the utility model 3rd embodiment.
Figure 16 is the structural schematic diagram three of the utility model 3rd embodiment.
Figure 17 is the structural schematic diagram four of the utility model 3rd embodiment.
Figure 18 is the use state of the utility model 3rd embodiment with reference to figure.
Description of symbols
1 high pressure fuel distribution pipe
2 be fuel injector
3 be high pressure sensor
4 be compression ring
5 be oil injector seat
6 be engine cylinder body
7 be compression ring and base of automobile injector contact position
8 be compression ring and fuel injector contact position
9 be to compress ring body
10 be the first limiting section
10.1 be horizontally disposed position limiting structure
10.1.1 being clamp structure
10.2 be the position-limit mechanism being vertically arranged
10.2.1 being the position limiting structure being vertically arranged
The clamp structure of 10.2 inner sidewalls
11 be the second limiting section
12 be elastic pressing part
13 be holding division
A is opening
B-B is first axle
C is the position of elastic pressing part and fuel injector face contact
Specific embodiment
As shown in Figure 5-Figure 8, compression ring first embodiment provided by the utility model, comprising: compress ring body 9, first and limit
Position portion 10, elastic pressing part 12 and holding division 13；
It compresses ring body 9 and is equipped with an opening A, the setting of the first limiting section 10 is open in the compression ring body 9 of the opposite side A, two bullets
Splenium 12 is arranged in the compression ring body 9 of 10 two sides of the first limiting section；
It compresses ring body 9 and is capable of clamping fuel injector 2, elastic pressing part 12 provides upward elastic force to fuel injector 2, and fuel injector 2 is fixed on
Between first limiting section 10 and elastic pressing part 12.
The setting of holding division 13 is compressing the opening of ring body 9 two sides A, compresses ring body 9 by holding division 13 and is capable of clamping fuel injector note
Plastomer, elastic pressing part 12 provide upward elastic force to fuel injector 2, and the first limiting section 10 limitation oil injector seat moves up, fuel injector quilt
It is fixed between the first limiting section 10 and elastic pressing part 12.
The setting of first limiting section 10 is located in the compression ring body 9 of the opposite side first axle B-B upper opening A；
First axle B-B: opening A geometric center and compression 9 geometric center line of ring body.
Holding division 13 can fix fuel injector (for example, spray using buckle or fixing slot, the buckle or fixing slot in the present embodiment
Convex edge on oily device injection molding body).Holding division 13 can be able to achieve the structure of clamping function using buckle or fixing slot etc..Specifically adopt
Which kind of need to be determined according to the specific structure of fuel injector with clamping structure, as long as holding division can fix fuel injector.
Elastic pressing part 12 is elastic layering, and the location of C of two elastic layerings can form face contact, two elasticity pressures with fuel injector
Uniform and stable upward elastic force is implemented in non-parallel setting between item to fuel injector.
First limiting section 10 is U-shaped limit clamping piece, which, which limits clamping piece both sides end, has horizontally disposed limit
Structure 10.1 realizes to upper limit that horizontally disposed 10.1 inner sidewall of position limiting structure is formed with clamp structure to fuel injector 2
10.1.1, the clamp structure 10.1.1 of U-shaped limit clamping piece both sides end, which forms base of automobile injector, clamps.U-shaped limit
Clamping piece is formed to upper limit fuel injector by horizontally disposed position limiting structure 10.1, further through the clamp structure of both sides end
10.1.1 left and right clamping is formed to base of automobile injector.Not only it had avoided fuel injector to be moved up by elastic pressing part elastic force, but also has been avoided that spray
Oily device moves left and right, and realizes steady fixed.
As shown in Fig. 9-Figure 13, compression ring second embodiment provided by the utility model, comprising: compress ring body 9, first and limit
Position portion 10, the second limiting section 11, elastic pressing part 12 and holding division 13；
It compresses ring body 9 and is equipped with an opening A, the setting of the first limiting section 10 is open in the compression ring body 9 of the opposite side A, two bullets
Splenium 12 is arranged in the compression ring body 9 of 10 two sides of the first limiting section；
It compresses ring body 9 and is capable of clamping fuel injector 2, elastic pressing part 12 provides upward elastic force to fuel injector 2, and fuel injector 2 is fixed on
Between first limiting section 10 and elastic pressing part 12.
Holding division 13 is arranged on the inner sidewall for compressing ring body 9, compresses ring body 9 by holding division 13 and is capable of clamping fuel injector note
Plastomer, elastic pressing part 12 provide upward elastic force to oil injector seat 5.
The setting of first limiting section 10 is located in the compression ring body 9 of the opposite side first axle B-B upper opening A；
Second limiting section 11 is arranged in the compression ring body 9 of the opening two sides A, and fuel injector 2 is fixed on the first limiting section
10, between the second limiting section 11 and elastic pressing part 12.
First axle B-B: opening A geometric center and compression 9 geometric center line of ring body.
As shown in figure 13, in the present embodiment holding division 13 use fixing slot, the fixing slot can fix fuel injector (for example,
Convex edge on injection molding body).
Elastic pressing part 12 is elastic layering, and the location of C of two elastic layerings can form face contact with base of automobile injector, two two
Uniform and stable upward elastic force is implemented in non-parallel setting between a elastic layering to fuel injector.
First limiting section 10 realizes in vertical direction and limits to fuel injector 2 that the first limiting section 10 is limit in the present embodiment
Flange.The section of the vertical direction of the defining flange is class triangle, the defining flange pass through the notch at oil injector seat edge/
Groove realizes the limit to fuel injector vertical direction.
(other common position limiting structure such as positive stop strip, defining flange, limiting stands are using positive stop hook for second limiting section 11
Can be achieved), which fixes base of automobile injector edge, and limitation fuel injector is moved up by the elastic force of elastic pressing part.
As shown in Figure 14-Figure 18, compression ring 3rd embodiment provided by the utility model, comprising: compress ring body 9, first
Limiting section 10, the second limiting section 11, elastic pressing part 12 and holding division 13；
It compresses ring body 9 and is equipped with an opening A, the setting of the first limiting section 10 is open in the compression ring body 9 of the opposite side A, two bullets
Splenium 12 is arranged in the compression ring body 9 of 10 two sides of the first limiting section；
It compresses ring body 9 and is capable of clamping fuel injector 2, elastic pressing part 12 provides upward elastic force to fuel injector 2, and fuel injector 2 is fixed on
Between first limiting section 10 and elastic pressing part 12.
Holding division 13 is arranged on the inner sidewall for compressing ring body 9, compresses ring body 9 by holding division 13 and is capable of clamping fuel injector note
Plastomer, elastic pressing part 12 provide upward elastic force to oil injector seat 5.
The setting of first limiting section 10 is located in the compression ring body 9 of the opposite side first axle B-B upper opening A；
Second limiting section 11 is arranged in the compression ring body 9 of the opening two sides A, and fuel injector 2 is fixed on the first limiting section
10, between the second limiting section 11 and elastic pressing part 12.
First axle B-B: opening A geometric center and compression 9 geometric center line of ring body.
Holding division 13 uses fixing slot in the present embodiment, which can fix in fuel injector (for example, convex on injection molding body
Edge).
Elastic pressing part 12 is elastic layering, and the location of C of two elastic layerings can form face contact with base of automobile injector, two two
Uniform and stable upward elastic force is implemented in non-parallel setting between a elastic layering to fuel injector.
First limiting section 10 is U-shaped locating part, which has the position limiting structure 10.2 being vertically arranged
Fuel injector 2 is realized to upper limit, the position limiting structure 10.2 being vertically arranged in the present embodiment using defining flange, U-shaped limit
Two defining flanges can also form clamping to fuel injector (seat) edge or edge convex block.The U-shaped locating part, which passes through, to be vertically arranged
Position limiting structure 10.2 forms to upper limit fuel injector, forms left and right to fuel injector further through the position limiting structure 10.2 being vertically arranged
Clamping.
(other common position limiting structure such as positive stop strip, defining flange, limiting stands are using positive stop hook for second limiting section 11
Can be achieved), which fixes 2 Base edge of fuel injector, and limitation fuel injector is moved up by the elastic force of elastic pressing part.First limit
Position portion 10, the second limiting section 11 had not only avoided fuel injector and had been moved up by elastic pressing part elastic force, but also be avoided that fuel injector moves left and right,
It realizes steady fixed.
The utility model is described in detail above by specific embodiment and embodiment, but these are not structure
At limitations of the present invention.In the case where not departing from the utility model principle, those skilled in the art can also be made
Many modification and improvement, these also should be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of compression ring characterized by comprising compress ring body (9), the first limiting section (10) and elastic pressing part (12)；
It compressing ring body (9) and is equipped with an opening (A), the first limiting section (10) setting is open in the compression ring body (9) of the opposite side (A),
Two elastic pressing parts (12) are arranged in the compression ring body (9) of the first limiting section (10) two sides；
It compresses ring body (9) to be capable of clamping fuel injector (2), elastic pressing part (12) provides upward elastic force, fuel injector (2) quilt to fuel injector (2)
It is fixed between the first limiting section (10) and elastic pressing part (12).
2. compression ring as described in claim 1, it is characterised in that: the first limiting section (10) setting is located at first axle (B-B)
In the compression ring body (9) of the opposite side upper opening A；
First axle (B-B): opening (A) geometric center and compression ring body (9) geometric center line.
3. compression ring as claimed in claim 2, which is characterized in that further include: holding division (13), holding division (13) setting are being pressed
Tight ring body (9) opening two sides (A).
4. compression ring as claimed in claim 3, it is characterised in that: holding division (13) is buckle or fixing slot.
5. compression ring as described in claim 1, it is characterised in that: two elastic pressing parts (12) and fuel injector (2) form face contact,
Non-parallel setting between two elastic pressing parts (12).
6. the compression ring as described in claim 1-5 any one, it is characterised in that: the first limiting section (10) is limit clamping
Part, the first limiting section (10) is horizontal to fuel injector (2) while to fuel injector (2) to upper limit to be clamped.
7. compression ring as claimed in claim 6, it is characterised in that: the first limiting section (10) is U-shaped limit clamping piece, the U-shaped
There are horizontally disposed position limiting structure (10.1) to realize that, to upper limit, level is set to fuel injector (2) for limit clamping piece both sides end
Position limiting structure (10.1) inner sidewall set is formed with clamp structure (10.1.1), which limits the clamping of clamping piece both sides end
Structure (10.1.1) forms fuel injector (2) and clamps.
8. the compression ring as described in claim 1-5 any one, which is characterized in that further include: the second limiting section (11), second
Limiting section (11) is arranged in the compression ring body (9) of the two sides opening (A), and fuel injector (2) is fixed on the first limiting section (10), the
Between two limiting sections (11) and elastic pressing part (12).
9. compression ring as claimed in claim 8, it is characterised in that: the first limiting section (10) is realized in vertical direction to fuel injector
(2) it limits.
10. compression ring as claimed in claim 9, it is characterised in that: the first limiting section (10) is U-shaped limit clamping piece, the U-shaped
There is the position limiting structure (10.2) being vertically arranged to realize fuel injector (2) to upper limit for limit clamping piece both sides end, set vertically
Position limiting structure (10.2) inner sidewall set is formed with clamp structure (10.2.1), which limits the clamping of clamping piece both sides end
Structure (10.2.1) forms fuel injector (2) and clamps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820988523.5U CN208534665U (en) | 2018-06-26 | 2018-06-26 | Compression ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820988523.5U CN208534665U (en) | 2018-06-26 | 2018-06-26 | Compression ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208534665U true CN208534665U (en) | 2019-02-22 |
Family
ID=65392766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820988523.5U Active CN208534665U (en) | 2018-06-26 | 2018-06-26 | Compression ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208534665U (en) |
-
2018
- 2018-06-26 CN CN201820988523.5U patent/CN208534665U/en active Active
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| GR01 | Patent grant |