CN213953775U - Novel near-end injection assembly for vehicle - Google Patents
Novel near-end injection assembly for vehicle Download PDFInfo
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- CN213953775U CN213953775U CN202023017004.0U CN202023017004U CN213953775U CN 213953775 U CN213953775 U CN 213953775U CN 202023017004 U CN202023017004 U CN 202023017004U CN 213953775 U CN213953775 U CN 213953775U
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Abstract
The utility model provides a novel near-end injection assembly for a vehicle, which comprises an injection shell, wherein the top of the injection shell is provided with a pressure regulating valve, a fuel inlet channel and a first oil outlet channel from left to right in sequence, the first oil outlet channel is used for being communicated with an oil port of an engine, the tail end of the fuel oil inlet channel is communicated with an oil inlet of the pressure regulating valve positioned on the left side and the first oil outlet channel positioned on the right side through a flow distribution cavity, the oil outlet of the pressure regulating valve is communicated with an injection back pressure cavity, the right side of the injection backpressure cavity is provided with a left-right extending ejection channel, the right end of the injection backpressure cavity is provided with an injection valve, the left end of the injection back pressure cavity is communicated with an oil inlet of a back pressure valve, an oil outlet of the back pressure valve is communicated with the outside of the injection shell, a negative pressure cavity with a lower opening is arranged at the bottom of the injection shell, and the negative pressure cavity is communicated with the left end of the injection channel.
Description
Technical Field
The utility model relates to an automobile, motorcycle fuel pump field, concretely relates to automobile-used novel near-end draws and penetrates subassembly.
Background
The automobile-used fuel pump of tradition is generally installed pressure regulator and ejection on oil pool, and the near-end is penetrated and is penetrated from the outside injection of oil pool, and the vertical upwards spout of fuel that penetrates is penetrated into oil pool, appears following problem easily: 1. the upward injection of injected fuel oil needs to be carried out by manufacturing an additional oil retaining structure so as to avoid the continuous upward injection of the fuel oil, and under the condition that no oil is absorbed by the upward and downward slope injection, the oil storage of an oil pool is not enough to ensure more durable cruising; 2. in the process, oil flows back and forth, so that the oil loss in the oil pool is caused, and under the condition that the oil cannot be sucked by injection on the ascending and descending slope, the oil storage of the oil pool is not enough to ensure more lasting cruising; 3. when the fuel oil system has large flow, the fluid sound is large due to large flow beam; 4 the umbrella valve of the oil pool component is also influenced by the tested oil liquid during the backpressure test of the regulator, so that the umbrella valve is deformed.
Therefore, improvement of the conventional injection manner is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving the technical problem who exists among the prior art at least, innovated a novel near-end of automobile-used and penetrated subassembly very much.
In order to realize the above purpose of the utility model, the utility model provides a novel near-end injection assembly for a vehicle, which comprises an injection shell, wherein the top of the injection shell is provided with a pressure regulating valve, a fuel inlet channel and a first oil outlet channel from left to right in sequence, the first oil outlet channel is used for being communicated with an oil port of an engine, the tail end of the fuel inlet channel is communicated with an oil inlet of the pressure regulating valve on the left side and the first oil outlet channel on the right side through a diversion cavity, the oil outlet of the pressure regulating valve is communicated with an injection backpressure cavity, the right side of the injection backpressure cavity is provided with a jetting channel extending from left to right, the right end of the injection backpressure cavity is provided with an injection valve and is communicated with the left end of the jetting channel through the injection valve, the left end of the injection backpressure cavity is communicated with the oil inlet of the backpressure valve, the oil outlet is communicated with the outside of the injection shell, the bottom of the injection shell is provided with a lower opening negative pressure cavity, the negative pressure cavity is communicated with the left end of the ejection channel.
In the scheme, the method comprises the following steps: the left side of the injection shell is provided with a mounting seat for mounting a pressure regulating valve.
In the scheme, the method comprises the following steps: the mounting seat is cylindrical with an upper opening, the pressure regulating valve is provided with a circle of abutting skirt edge and is tightly pressed by two clamping pins pressed on the abutting skirt edge, and the mounting seat is provided with a through hole for two ends of each clamping pin to penetrate out.
In the scheme, the method comprises the following steps: the bayonet lock is U type, and the middle part of two landing legs of bayonet lock is buckled for the circular-arc with the laminating of pressure regulating valve lateral wall. The clamping is more stable.
In the scheme, the method comprises the following steps: the right end of the shunting cavity is communicated with the outside of the injection shell, and the right port of the shunting cavity is provided with a plug for plugging. The residual fuel oil in the shunting cavity is convenient to clean.
In the scheme, the method comprises the following steps: the end of the ejection channel is open. Facilitating the ejection of fuel.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the injection in the oil pool can be realized, and the oil storage loss of the oil pool is avoided under the condition that the oil cannot be injected in the upward slope and the downward slope, so that the endurance of the journey is ensured;
2. the jet with a plurality of small holes can be realized, the flow beam is reduced, the noise is reduced, and the total noise can be reduced by 8-10db under the same flow rate;
3. a back pressure valve structure at the rear end of the pressure regulator can be installed to reduce the noise of the pressure regulator;
4. this subassembly can detect pressure and backpressure alone, because of with the oil bath separation, the umbrella valve can not receive the test solution influence in the oil bath, guarantees that the umbrella valve is indeformable.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a cross-sectional view of the present invention;
fig. 2 is a plan view of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1-2, the novel near-end injection assembly for the vehicle comprises an injection shell 12, wherein a pressure regulating valve 1, a fuel inlet passage 10 and a first fuel outlet passage 9 are sequentially arranged from left to right on the top of the injection shell 12. The first oil outlet channel 9 is used for being communicated with an oil port of an engine, and the fuel oil inlet channel 10 is communicated with a fuel oil outlet of the filter. The tail end of the fuel inlet channel 10 is communicated with an oil inlet of the pressure regulating valve 1 on the left side and a first oil outlet channel 9 on the right side through a left-right extending shunting cavity 8. The oil outlet of the pressure regulating valve 1 is communicated with an injection back pressure cavity 5, and the right side of the injection back pressure cavity 5 is provided with a left-right extending ejection channel 7. The right end of the injection backpressure cavity 5 is provided with an injection valve 13 and is communicated with the left end of the ejection channel 7 through the injection valve 13. The left end of the injection backpressure cavity 5 is communicated with an oil inlet of a backpressure valve 4, and an oil outlet of the backpressure valve 4 is communicated with the outside of the injection shell 12. The bottom of the injection shell 12 is provided with a negative pressure cavity 6 with a lower opening, and the negative pressure cavity 6 is communicated with the left end of the ejection channel 7.
Preferably, the left side of the injection housing 12 is provided with a mounting seat 12a for mounting the pressure regulating valve 1. The mounting seat 12a is cylindrical with an upper opening, the pressure regulating valve 1 is provided with a circle of abutting skirt edge 2, and is compressed by the bayonet lock 3 pressed on the abutting skirt edge 2, and the mounting seat 12a is provided with a through hole for two ends of the bayonet lock 3 to penetrate out.
Preferably, the bayonet pin 3 is U-shaped, and the middle parts of the two legs of the bayonet pin 3 are bent into arc shapes attached to the outer side wall of the pressure regulating valve 1.
Preferably, the right end of the shunting cavity 8 penetrates through the ejection shell 12, and the right end opening of the shunting cavity 8 is provided with a plug 11 for plugging.
Preferably, the end of the discharge channel 7 is open.
The fuel filtered by the filter enters the diversion cavity 8 through the injection shell 12, is divided into a left flow direction and a right flow direction through the diversion cavity 8, one flow direction is supplied to the engine through the first oil outlet channel (9) for the fuel consumption of the engine, and the redundant fuel enters the pressure regulating valve 1. The fuel enters the injection back pressure cavity 5 to be divided into a left part and a right part after passing through the pressure regulating valve 1. One of the two forms high-speed jet fluid through the injection valve 13 to form a negative pressure area, so that injection is realized. One is ejected through the back pressure valve 4. The backpressure valve 4 and the injection valve 13 form stable pressure, the flow rate of fluid passing through the pressure regulating valve 1 is reduced, and the fluid noise of the pressure regulating valve 1 is reduced. The diameter of the hole of the injection valve 13 is small, generally 0.9mm, the flow stream is small, and the impact noise of the injected fluid is small.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (6)
1. The utility model provides an automobile-used novel near-end draws penetrates subassembly which characterized in that: the injection device comprises an injection shell (12), wherein a pressure regulating valve (1), a fuel oil inlet channel (10) and a first oil outlet channel (9) are sequentially arranged on the top of the injection shell (12) from left to right, the first oil outlet channel (9) is used for being communicated with an oil port of an engine, the tail end of the fuel oil inlet channel (10) is communicated with an oil inlet of the pressure regulating valve (1) on the left side and the first oil outlet channel (9) on the right side through a flow distribution cavity (8), an oil outlet of the pressure regulating valve (1) is communicated with an injection back pressure cavity (5), an ejection channel (7) extending from left to right is arranged on the right side of the injection back pressure cavity (5), an injection valve (13) is arranged on the right end of the injection back pressure cavity (5) and is communicated with the left end of the ejection channel (7) through the injection valve (13), the left end of the injection back pressure cavity (5) is communicated with an oil inlet of a back pressure valve (4), and the oil outlet of the back pressure valve (4) is communicated with the outside of the injection shell (12), the bottom of the injection shell (12) is provided with a negative pressure cavity (6) with a lower opening, and the negative pressure cavity (6) is communicated with the left end of the ejection channel (7).
2. The novel vehicular near-end injection assembly according to claim 1, characterized in that: the left side of the injection shell (12) is provided with a mounting seat (12a) for mounting the pressure regulating valve (1).
3. The novel vehicular near-end injection assembly according to claim 2, wherein: the mounting seat (12a) is cylindrical, the upper opening of the mounting seat is formed, a circle of abutting skirt edge (2) is arranged on the pressure regulating valve (1), the pressure regulating valve is compressed through a clamping pin (3) pressed on the abutting skirt edge (2), and a through hole for penetrating out of two ends of the clamping pin (3) is formed in the mounting seat (12 a).
4. The novel vehicular near-end injection assembly according to claim 3, wherein: the bayonet lock (3) is U-shaped, and the middle parts of the two supporting legs of the bayonet lock (3) are bent into arc shapes attached to the outer side wall of the pressure regulating valve (1).
5. The novel vehicular near-end injection assembly according to claim 1, characterized in that: the right end of the diversion cavity (8) penetrates through the ejection shell (12), and a right end opening of the diversion cavity (8) is provided with a plug (11) for plugging.
6. The novel vehicular near-end injection assembly according to claim 1, characterized in that: the end of the ejection channel (7) is open.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023017004.0U CN213953775U (en) | 2020-12-12 | 2020-12-12 | Novel near-end injection assembly for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023017004.0U CN213953775U (en) | 2020-12-12 | 2020-12-12 | Novel near-end injection assembly for vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN213953775U true CN213953775U (en) | 2021-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023017004.0U Active CN213953775U (en) | 2020-12-12 | 2020-12-12 | Novel near-end injection assembly for vehicle |
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| CN (1) | CN213953775U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482818A (en) * | 2021-08-18 | 2021-10-08 | 重庆万力联兴实业(集团)有限公司 | Near-far end injection assembly of vehicle fuel pump |
| CN113482819A (en) * | 2021-08-18 | 2021-10-08 | 重庆万力联兴实业(集团)有限公司 | Fuel pump assembly with near-far end injection |
| CN114876681A (en) * | 2022-04-25 | 2022-08-09 | 一汽奔腾轿车有限公司 | Injection backflow cavity structure for improving noise of fuel pump |
| CN114962095A (en) * | 2022-05-28 | 2022-08-30 | 浙江睿峰电喷系统有限公司 | Novel pressure regulating valve plastic seat assembly of automobile electronic injection fuel pump support assembly |
| CN114962093A (en) * | 2022-04-25 | 2022-08-30 | 一汽奔腾轿车有限公司 | Injection valve flow stabilizing cavity integrated structure for improving jet noise of fuel pump |
| CN114962095B (en) * | 2022-05-28 | 2024-05-17 | 浙江睿峰电喷系统有限公司 | Pressure regulating valve plastic seat assembly of automobile electronic injection fuel pump bracket assembly |
-
2020
- 2020-12-12 CN CN202023017004.0U patent/CN213953775U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482818A (en) * | 2021-08-18 | 2021-10-08 | 重庆万力联兴实业(集团)有限公司 | Near-far end injection assembly of vehicle fuel pump |
| CN113482819A (en) * | 2021-08-18 | 2021-10-08 | 重庆万力联兴实业(集团)有限公司 | Fuel pump assembly with near-far end injection |
| CN114876681A (en) * | 2022-04-25 | 2022-08-09 | 一汽奔腾轿车有限公司 | Injection backflow cavity structure for improving noise of fuel pump |
| CN114962093A (en) * | 2022-04-25 | 2022-08-30 | 一汽奔腾轿车有限公司 | Injection valve flow stabilizing cavity integrated structure for improving jet noise of fuel pump |
| CN114962095A (en) * | 2022-05-28 | 2022-08-30 | 浙江睿峰电喷系统有限公司 | Novel pressure regulating valve plastic seat assembly of automobile electronic injection fuel pump support assembly |
| CN114962095B (en) * | 2022-05-28 | 2024-05-17 | 浙江睿峰电喷系统有限公司 | Pressure regulating valve plastic seat assembly of automobile electronic injection fuel pump bracket assembly |
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