CN204553037U - A kind of constant volume bullet oil sprayer gondola and fixed mechanism thereof - Google Patents

A kind of constant volume bullet oil sprayer gondola and fixed mechanism thereof Download PDF

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Publication number
CN204553037U
CN204553037U CN201520068549.4U CN201520068549U CN204553037U CN 204553037 U CN204553037 U CN 204553037U CN 201520068549 U CN201520068549 U CN 201520068549U CN 204553037 U CN204553037 U CN 204553037U
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oil sprayer
gondola
oil
pressing plate
abap adapter
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CN201520068549.4U
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琚雪明
刘华龙
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Chery Automobile Co Ltd
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SAIC Chery Automobile Co Ltd
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Abstract

The utility model relates to a kind of constant volume bullet oil sprayer gondola and fixed mechanism thereof, comprise ABAP Adapter (1) and oil sprayer (4), it is characterized in that: also comprise oil sprayer gondola (2), gondola pressing plate (3) and strut (5), oil sprayer (4) is pressed into oil sprayer gondola (2) interior bottom with one end of O type circle, and the oil sprayer gondola (2) be assembled together and oil sprayer (4) general assembly are in the cavity of ABAP Adapter (1); Gondola pressing plate (3) is pressed on the seal face (26) of oil sprayer gondola (2) bottom, and strut (5) is arranged between ABAP Adapter (1) cavity bottom oil sprayer mounting plane (14) and gondola pressing plate (3) to ensure that the O type circle of oil sprayer (4) enters oil sprayer gondola (2) inner length optimum; The gondola interface (21) of oil sprayer gondola (2) upper end and high-pressure oil pipe are tightly connected.The utility model structure is simple, and processing cost is low, good sealing effect.

Description

A kind of constant volume bullet oil sprayer gondola and fixed mechanism thereof
Technical field
The utility model belongs to oil nozzle of car engine spray technique field, is specifically related to a kind of constant volume bullet oil sprayer gondola and fixed mechanism thereof.
Background technique
The spray characteristics of engine fuel injector is one of key factor affecting engine performance, and concerning high pressure direct injection motor, the spray characteristics of oil sprayer has a great impact the burning of motor and emission performance, therefore just seems particularly important to the test of the spray characteristics of engine fuel injector designing and developing combustion system of engine in process.
Current Ge great universities and colleges, vapour grinds institute, the research of main engine factory to oil sprayer spray characteristics adopts constant volume bullet equipment more, the constant volume bullet of current design is used for researching and analysing of the oil sprayer spray characteristics of direct spray petrol engine in cylinder, therefore the injection pressure of whole injection system just compare the injection pressure of traditional intake port injection will be high a lot, current scope is even higher at 40-200bar, therefore just more harsh to the seal request of whole oil feed line, the oil supply system of current direct spray petrol engine in cylinder is by high pressure oil pump pump oil, oily rail is entered by high-pressure oil pipe, each oil sprayer is assigned to again by oily rail, oil sprayer is connected with oily rail assembly by the gondola be fixed on oily rail, oil sprayer is compressed by compressing oily rail, but the method is not suitable for fuel feeding and the compression of single oil sprayer, more be not suitable for the oil supply system of constant volume bullet, therefore the particularity of constant volume bullet equipment is considered, need to be optimized the gondola of oil sprayer.Do not have for this problem in patent of invention CN201010272629.3 " a kind of atomizing test constant-volume elastomer " and CN201310717167.5 " a kind of for spraying, burning, the multi-functional constant volume bullet of Soot Formation characteristic test " and clearly set forth yet.
Summary of the invention
The utility model devises a kind of constant volume bullet oil sprayer gondola and fixed mechanism thereof, which solve and how for constant volume bullet provides a kind of, there is excellent sealing effect, be convenient to installation and removal, simple and convenient oil sprayer nacelle device and fixed mechanism thereof, effectively to solve due to constant volume bullet characteristic (testing for single oil sprayer for general), and the narrow limitation of oil sprayer mounting adapter, cause the oil supply system of conventional direct spray petrol engine in cylinder and oily rail can not installation question, and after installing, sealing compress and the problem such as joint connection.
In order to solve the technical problem of above-mentioned existence, the utility model have employed following scheme:
A kind of constant volume bullet oil sprayer gondola and fixed mechanism thereof, comprise ABAP Adapter (1) and oil sprayer (4), it is characterized in that: also comprise oil sprayer gondola (2), gondola pressing plate (3) and strut (5), oil sprayer (4) is pressed into oil sprayer gondola (2) interior bottom with one end of O type circle, and the oil sprayer gondola (2) be assembled together and oil sprayer (4) general assembly are in the cavity of ABAP Adapter (1); Gondola pressing plate (3) is pressed on the seal face (26) of oil sprayer gondola (2) bottom, and strut (5) is arranged between ABAP Adapter (1) cavity bottom oil sprayer mounting plane (14) and gondola pressing plate (3) to ensure that the O type circle of oil sprayer (4) enters oil sprayer gondola (2) inner length optimum; The gondola interface (21) of oil sprayer gondola (2) upper end and high-pressure oil pipe are tightly connected.
Further, oil sprayer gondola (2) upper end is provided with gondola interface (21), oil sprayer gondola (2) cavity length is greater than the length allowing the oil sprayer (4) entered in oil sprayer gondola (2), and oil sprayer gondola (2) lower inlet place is provided with installs guide surface (25) so that the importing of O type circle of oil sprayer (4); Oil sprayer gondola (2) lower end is provided with draws limit structure, the upper surface drawing limit structure is the seal face (26) with gondola pressing plate (3) cooperating, the oil sprayer positioning hole groove (22) that on oil sprayer gondola (2) sidewall, the oil sprayer be also provided with for dodging oil sprayer (4) plug connector is dodged opening (24) and located for oil sprayer (4).
Further, gondola interface (21) is processed with external thread structure; The junction surface of gondola interface (21) bottom and high-pressure oil pipe is also provided with the conical surface, to ensure and high-pressure oil pipe joint matching internal.
Further, installing guide surface (25) is downward flared structure at a gulp.
Further; gondola pressing plate (3) is a disc-shaped structure; gondola mounting hole (33) is had in the central authorities of gondola pressing plate (3); gondola pressing plate (3) is also processed with one breach formed escape groove (31) for dodging oil sprayer tenminal block and oil sprayer plug connector, escape groove (31) and gondola mounting hole (33) through; Gondola pressing plate (3) is also provided with fixed hole (32).
Further, strut (5) is tubular structure; Between the oil sprayer mounting plane (14) that strut (5) is arranged on ABAP Adapter (1) bottom and gondola pressing plate (3), hold-down bolt is tightened to upper corresponding oil sprayer mounting-positioning holes (13) place of ABAP Adapter (1) through the fixed hole (32) on gondola pressing plate (3) and strut (5) successively.
Further, strut (5) has two; The length of strut (5) is arranged for ensureing that the O type circle of oil sprayer (4) enters oil sprayer gondola (2) inner length optimum, ensures not damaged O type circle by oil sprayer gondola (2) internal structure.
Further, ABAP Adapter (1) is the cavity structure of container of an opening upwards, ABAP Adapter (1) upper end is provided with draws limit structure, the upper-end surface of drawing limit structure is evenly equipped with ABAP Adapter mounting hole (11), the cavity bottom oil sprayer mounting plane (14) of ABAP Adapter (1) is processed with mounting hole of oil sprayer, and the surrounding of mounting hole of oil sprayer is evenly equipped with oil sprayer mounting-positioning holes (13).
Further, the sidewall intersection of ABAP Adapter (1) upper-end surface and ABAP Adapter (1) of drawing limit structure is processed into inclined-plane (12).
Further, ABAP Adapter mounting hole (11) has 6; Oil sprayer mounting-positioning holes (13) has 4, and 4 oil sprayer mounting-positioning holes (13) are relative between two.
This constant volume bullet oil sprayer gondola and fixed mechanism thereof have following beneficial effect:
(1) the utility model solves and how to have excellent sealing effect for constant volume bullet provides a kind of, be convenient to installation and removal, simple and convenient oil sprayer nacelle device and fixed mechanism thereof, effectively to solve due to constant volume bullet characteristic (testing for single oil sprayer for general), and the narrow limitation of oil sprayer mounting adapter, cause the oil supply system of conventional direct spray petrol engine in cylinder and oily rail can not installation question, and after installing, sealing compress and the problem such as joint connection.
(2) the utility model structure is simple, and processing cost is low.
(3) in the utility model, oil sprayer gondola is for being connected with mechanism with oil sprayer oil inlet end, mainly bear high pressure fuel store and supply oil sprayer, external thread structure and the cone structure of the gondola interface of oil sprayer gondola upper end ensure that stronger sealing characteristics, ensure that fuel oil can not be revealed.
(4) in the utility model, gondola pressing plate and strut are mainly used in controlling oil sprayer gondola and are connected the degree of depth compressed with oil sprayer, avoid, because too extruding causes oil sprayer seal ring to damage, oil leakage phenomenon occurring.
(5) in the utility model, the oil sprayer mounting plane of ABAP Adapter is evenly provided with 4 oil sprayer mounting-positioning holes around the mounting hole of oil sprayer, for installing hold-down bolt, being arranged as of these 4 tapped holes is relative between two, for different according to oil bundle collection position, when not moving camera, by oil sprayer setting angle 90-degree rotation, thus can easily can gather the spray characteristics of different oil bundle plane.
Accompanying drawing explanation
Fig. 1: the utility model constant volume bullet assembly structure schematic diagram (sectional view) of oil sprayer gondola and fixed mechanism thereof;
Fig. 2: the utility model constant volume bullet assembly structure schematic diagram (plan view) of oil sprayer gondola and fixed mechanism thereof;
Fig. 3: the plan view of oil sprayer gondola in the utility model;
Fig. 4: the left view of oil sprayer gondola in the utility model;
Fig. 5: the plan view of oil sprayer gondola in the utility model;
Fig. 6: the plan view of gondola pressing plate in the utility model;
Fig. 7: the plan view of supporting post in the utility model.
Description of reference numerals:
1-ABAP Adapter; 11-ABAP Adapter mounting hole; 12-inclined-plane; 13-oil sprayer mounting-positioning holes; 14-oil sprayer mounting plane; 2-oil sprayer gondola; 21-gondola interface; 22-oil sprayer positioning hole groove; 23-flat clamping; Opening dodged by 24-oil sprayer; 25-guide surface is installed; 26-seal face; 3-gondola pressing plate; 31-escape groove; 32-fixed hole; 33-gondola mounting hole; 4-oil sprayer; 5-strut.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 to Fig. 7 shows a kind of constant volume bullet oil sprayer gondola and fixed mechanism thereof, comprise ABAP Adapter 1, oil sprayer gondola 2, gondola pressing plate 3, oil sprayer 4 and strut 5, oil sprayer 4 is pressed into oil sprayer gondola 2 middle and lower part with one end of O type circle, the oil sprayer gondola 2 be assembled together and oil sprayer 4 assembly are arranged in the cavity of ABAP Adapter 1, gondola pressing plate 3 is pressed on the seal face 26 that oil sprayer gondola is provided with, strut 5 is supported between ABAP Adapter 1 oil sprayer mounting plane 14 and gondola pressing plate 3 to ensure that the O type circle of oil sprayer 4 enters oil sprayer gondola 2 inner length optimum, the gondola interface 21 of oil sprayer gondola 2 upper end is connected with high-pressure oil pipe.In the present embodiment, strut 5 has two, and is symmetrical arranged.
The structure of ABAP Adapter 1 is the cavity container of an opening upwards, as depicted in figs. 1 and 2, the upper-end surface that limit structure is drawn in ABAP Adapter 1 upper end is evenly equipped with ABAP Adapter mounting hole 11, the sidewall intersection of upper-end surface and ABAP Adapter 1 that ABAP Adapter 1 draws limit structure is processed into inclined-plane 12, the cavity bottom oil sprayer mounting plane 14 of ABAP Adapter 1 is processed with mounting hole of oil sprayer, and the surrounding of mounting hole of oil sprayer is evenly provided with 4 oil sprayer mounting-positioning holes 13.
Oil sprayer gondola 2 upper end is provided with gondola interface 21, and in the present embodiment, gondola interface 21 is processed with external thread structure.Oil sprayer gondola 2 lower inlet place is provided with installs guide surface 25, be convenient to the importing of the O type circle of oil sprayer 4, installing guide surface 25 is downward flared structures at a gulp, and oil sprayer gondola 2 cavity length is greater than the length that oil sprayer 4 allows to enter in gondola simultaneously.Oil sprayer gondola 2 lower end is also provided with draws limit structure, the upper surface drawing limit structure is the seal face 26 with gondola pressing plate 3 cooperating, oil sprayer oil sprayer gondola 2 is also provided with for dodging oil sprayer 4 plug connector dodges opening 24 and the oil sprayer positioning hole groove 22 for oil sprayer 4 location in addition, like this with regard to ensureing that oil sprayer 4 is fixed with the relative position of oil sprayer gondola 2, be convenient to integral-rotation and the movement of follow-up oil sprayer 4.
The structure of gondola pressing plate 3 as shown in Figure 6, gondola pressing plate 3 is disc-shaped structures, gondola mounting hole 33 is had in the central authorities of gondola pressing plate 3, gondola pressing plate 3 is also processed with one breach formed escape groove 31 for dodging oil sprayer tenminal block and oil sprayer plug connector, escape groove 31 and gondola mounting hole 33 through.That gondola pressing plate 3 is gone back symmetry is provided with two fixed holes 32.
The structure of strut 5 as shown in Figure 7, is tubular structure, and hollow space is used for hold-down bolt to be passed through.Strut 5 is arranged between ABAP Adapter 1 oil sprayer mounting plane 14 and gondola pressing plate 3, and hold-down bolt is tightened to oil sprayer mounting-positioning holes 13 place corresponding in ABAP Adapter 1 through fixed hole 32 and strut 5 successively.The length of strut 5 is arranged for ensureing that the O type circle of oil sprayer 4 enters oil sprayer gondola 2 inner length optimum, ensures not damaged O type circle by oil sprayer gondola 2 internal structure.
First, ABAP Adapter 1 is installed to the corresponding end face of constant volume bullet by ABAP Adapter mounting hole 11 and construction bolt, tightens construction bolt.
Secondly, by oil sprayer 4 with in one end press-in oil sprayer gondola 2 of O type circle, the end face that oil sprayer gondola 2 matches with oil sprayer is provided with installs guide surface 25, is convenient to the importing of the O type circle of oil sprayer 4, and oil sprayer gondola 2 cavity length is greater than the length that oil sprayer allows to enter in gondola simultaneously.In addition, the oil sprayer positioning hole groove 22 that on oil sprayer gondola 2, the oil sprayer be also provided with for dodging oil sprayer plug connector is dodged opening 24 and located for oil sprayer 4, so just ensure that oil sprayer 4 is fixed with the relative position of oil sprayer gondola 2, be convenient to integral-rotation and the movement of follow-up oil sprayer 4, with hand, the O type circle of oil sprayer 4 is pressed into gondola 3-5mm by installing guide surface 25, the above oil sprayer 4 that just completes is connected with the preliminary of oil sprayer gondola 2.
Again, mounted oil sprayer 4 and oil sprayer gondola 2 assembly are put into mounting hole of oil sprayer corresponding in ABAP Adapter 1, choose the direction needing to observe oil bundle position, two contrapositions in ABAP Adapter 1 in oil sprayer mounting-positioning holes 13 are selected to install, gondola pressing plate 3 and strut 5 are in place according to the position shown in Fig. 1 and Fig. 2, gondola pressing plate 3 is pressed on seal face 26 that oil sprayer gondola is provided with, ensure that the effect of gondola pressing plate 3 reaches best, gondola pressing plate 3 is provided with oil sprayer tenminal block escape groove 31, for dodging oil sprayer plug connector.The length of strut 5 arranges for ensureing that oil sprayer O type circle enters gondola inner length optimum, ensure not damaged O type circle by gondola internal structure, strut hollow, pass through for hold-down bolt, hold-down bolt sequentially passes through gondola pressing plate 3 and strut 5 is tightened to oil sprayer mounting-positioning holes 13 place corresponding to oil sprayer ABAP Adapter.
Finally, the head of high-pressure oil pipe is connected with oil sprayer gondola 2, oil sprayer gondola 2 is provided with the gondola interface 21 for being connected with high-pressure oil pipe, junction surface is provided with the conical surface, ensure and oil connection matching internal, prevent leakage of oil situation from occurring, oil sprayer gondola 2 is also provided with the corresponding flat clamping 23 for tool holder, tighten high-pressure oil pipe joint bolt for tool holder.
In the utility model, ABAP Adapter 1 oil sprayer mounting plane 14 is evenly provided with 4 oil sprayer mounting-positioning holes 13 around the mounting hole of oil sprayer 4, for installing follower bolt, oil sprayer mounting-positioning holes 13 is tapped holes, being arranged as of these 4 tapped holes is relative between two, for different according to oil bundle collection position, and can when not moving camera, by oil sprayer setting angle 90-degree rotation, thus can easily can gather the spray characteristics of different oil bundle plane.
Completed by above-mentioned steps and connect from pipeline; the whole process that oil sprayer gondola 2, oil sprayer 1 mate, compress and install; this structure is simple, convenient; low to space arrangement requirement, and connecting end has good sealing effect, in the protection being pressed into oil sprayer gondola 2 at oil sprayer 4; can by the cut to lengthen oil sprayer compression distance of strut 5; prevent the situation that O type circle pressurized damages, this cover mechanism can change the oil bundle position of shooting more easily, is convenient to subsequent data analysis.
By reference to the accompanying drawings exemplary description is carried out to the utility model above; obvious realization of the present utility model is not subject to the restrictions described above; as long as have employed the various improvement that method of the present utility model is conceived and technological scheme is carried out; or design of the present utility model and technological scheme directly applied to other occasion, all in protection domain of the present utility model without to improve.

Claims (10)

1. a constant volume bullet oil sprayer gondola and fixed mechanism thereof, comprise ABAP Adapter (1) and oil sprayer (4), it is characterized in that: also comprise oil sprayer gondola (2), gondola pressing plate (3) and strut (5), oil sprayer (4) is pressed into oil sprayer gondola (2) interior bottom with one end of O type circle, and the oil sprayer gondola (2) be assembled together and oil sprayer (4) general assembly are in the cavity of ABAP Adapter (1); Gondola pressing plate (3) is pressed on the seal face (26) of oil sprayer gondola (2) bottom, and strut (5) is arranged between ABAP Adapter (1) cavity bottom oil sprayer mounting plane (14) and gondola pressing plate (3) to ensure that the O type circle of oil sprayer (4) enters oil sprayer gondola (2) inner length optimum; The gondola interface (21) of oil sprayer gondola (2) upper end and high-pressure oil pipe are tightly connected.
2. constant volume bullet oil sprayer gondola according to claim 1 and fixed mechanism thereof, it is characterized in that: oil sprayer gondola (2) upper end is provided with gondola interface (21), oil sprayer gondola (2) cavity length is greater than the length allowing the oil sprayer (4) entered in oil sprayer gondola (2), and oil sprayer gondola (2) lower inlet place is provided with installs guide surface (25) so that the importing of O type circle of oil sprayer (4); Oil sprayer gondola (2) lower end is provided with draws limit structure, the upper surface drawing limit structure is the seal face (26) with gondola pressing plate (3) cooperating, the oil sprayer positioning hole groove (22) that on oil sprayer gondola (2) sidewall, the oil sprayer be also provided with for dodging oil sprayer (4) plug connector is dodged opening (24) and located for oil sprayer (4).
3. constant volume bullet oil sprayer gondola according to claim 1 and 2 and fixed mechanism thereof, is characterized in that: gondola interface (21) is processed with external thread structure; The junction surface of gondola interface (21) bottom and high-pressure oil pipe is also provided with the conical surface, to ensure and high-pressure oil pipe joint matching internal.
4. constant volume bullet oil sprayer gondola according to claim 3 and fixed mechanism thereof, is characterized in that: installing guide surface (25) is downward flared structure at a gulp.
5. constant volume bullet oil sprayer gondola according to claim 1 and fixed mechanism thereof; it is characterized in that: gondola pressing plate (3) is a disc-shaped structure; gondola mounting hole (33) is had in the central authorities of gondola pressing plate (3); gondola pressing plate (3) is also processed with one breach formed escape groove (31) for dodging oil sprayer tenminal block and oil sprayer plug connector, escape groove (31) and gondola mounting hole (33) through; Gondola pressing plate (3) is also provided with fixed hole (32).
6. constant volume bullet oil sprayer gondola and fixed mechanism thereof according to claim 1 or 5, is characterized in that: strut (5) is tubular structure; Between the oil sprayer mounting plane (14) that strut (5) is arranged on ABAP Adapter (1) bottom and gondola pressing plate (3), hold-down bolt is tightened to upper corresponding oil sprayer mounting-positioning holes (13) place of ABAP Adapter (1) through the fixed hole (32) on gondola pressing plate (3) and strut (5) successively.
7. constant volume bullet oil sprayer gondola according to claim 6 and fixed mechanism thereof, is characterized in that: strut (5) has two; The length of strut (5) is arranged for ensureing that the O type circle of oil sprayer (4) enters oil sprayer gondola (2) inner length optimum, ensures not damaged O type circle by oil sprayer gondola (2) internal structure.
8. constant volume bullet oil sprayer gondola according to claim 1 and fixed mechanism thereof, it is characterized in that: ABAP Adapter (1) is the cavity structure of container of an opening upwards, ABAP Adapter (1) upper end is provided with draws limit structure, the upper-end surface of drawing limit structure is evenly equipped with ABAP Adapter mounting hole (11), the cavity bottom oil sprayer mounting plane (14) of ABAP Adapter (1) is processed with mounting hole of oil sprayer, and the surrounding of mounting hole of oil sprayer is evenly equipped with oil sprayer mounting-positioning holes (13).
9. constant volume bullet oil sprayer gondola according to claim 8 and fixed mechanism thereof, is characterized in that: the sidewall intersection of upper-end surface and ABAP Adapter (1) that ABAP Adapter (1) draws limit structure is processed into inclined-plane (12).
10. constant volume bullet oil sprayer gondola and fixed mechanism thereof according to claim 8 or claim 9, is characterized in that: ABAP Adapter mounting hole (11) has 6; Oil sprayer mounting-positioning holes (13) has 4, and 4 oil sprayer mounting-positioning holes (13) are relative between two.
CN201520068549.4U 2015-01-30 2015-01-30 A kind of constant volume bullet oil sprayer gondola and fixed mechanism thereof Active CN204553037U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106939864A (en) * 2017-03-23 2017-07-11 上海交通大学 A kind of fuel injector adaptive device of adjustable angle
CN114810446A (en) * 2022-04-11 2022-07-29 哈尔滨工程大学 Adjustable adapter device of sprayer based on constant volume bullet

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106939864A (en) * 2017-03-23 2017-07-11 上海交通大学 A kind of fuel injector adaptive device of adjustable angle
CN114810446A (en) * 2022-04-11 2022-07-29 哈尔滨工程大学 Adjustable adapter device of sprayer based on constant volume bullet
CN114810446B (en) * 2022-04-11 2022-11-01 哈尔滨工程大学 Adjustable adapter device of sprayer based on constant volume bullet

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