阅读说明：本技术 一种vvt发动机耐高温机油控制阀 (High-temperature-resistant engine oil control valve of VVT (variable valve timing) engine ) 是由 蓝宗华 汪凯 于 2020-06-24 设计创作，主要内容包括：本发明涉及VVT发动技术领域,且公开了一种VVT发动机耐高温机油控制阀,包括阀体和阀套,所述阀体一侧连接固定件,所述阀体内部一侧设有限位槽,且阀体内部另一侧设有凹槽,所述阀体底部连接阀套,且阀套内部底端连接有滤网,所述滤网底部设有加强板,且加强板一端连接在限位槽内,所述加强板一端设有固定槽,且固定槽内活动连接固定块,所述凹槽内一端连接有伸缩柱,且伸缩柱上设有弹簧,所述伸缩柱一端连接固定块,所述阀套上设有限位凸肩,且两个限位凸肩之间连接筛网,所述筛网两侧连接骨架,且骨架一端设有第一卡槽,所述第一卡槽一侧连接第一卡头。该VVT发动机耐高温机油控制阀,结构简单,可以采用简单的设备进行装配。(The invention relates to the technical field of VVT (variable valve timing) engines and discloses a high-temperature-resistant engine oil control valve of a VVT engine, which comprises a valve body and a valve sleeve, wherein one side of the valve body is connected with a fixing piece, one side in the valve body is provided with a limiting groove, and the other side in the valve body is provided with a groove, the bottom of the valve body is connected with a valve sleeve, the bottom end in the valve sleeve is connected with a filter screen, the bottom of the filter screen is provided with a reinforcing plate, one end of the reinforcing plate is connected in the limiting groove, one end of the reinforcing plate is provided with a fixing groove, the fixing groove is movably connected with a fixing block, one end in the groove is connected with a telescopic column, a spring is arranged on the telescopic column, one end of the telescopic column is connected with the fixed block, a limit convex shoulder is arranged on the valve sleeve, and the screen is connected between the two limiting convex shoulders, the two sides of the screen are connected with the framework, one end of the framework is provided with a first clamping groove, and one side of the first clamping groove is connected with a first clamping head. The high-temperature-resistant engine oil control valve of the VVT engine has a simple structure and can be assembled by adopting simple equipment.)

1. The utility model provides a high temperature resistant engine oil control valve of VVT engine, includes valve body (18) and valve barrel (1), its characterized in that: fixing part (17) is connected to valve body (18) one side, the inside one side of valve body (18) is equipped with spacing groove (4), and the inside opposite side of valve body (18) is equipped with recess (5), valve body (18) bottom connection valve barrel (1), and the inside bottom of valve barrel (1) is connected with filter screen (2), filter screen (2) bottom is equipped with reinforcing plate (3), and reinforcing plate (3) one end is connected in spacing groove (4), reinforcing plate (3) one end is equipped with fixed slot (8), and swing joint fixed block (9) in fixed slot (8), one end is connected with flexible post (7) in recess (5), and is equipped with spring (6) on flexible post (7), fixed block (9) is connected to flexible post (7) one end, be equipped with spacing convex shoulder (16) on valve barrel (1), and connect screen cloth (10) between two spacing convex shoulders (16), skeleton (11) are connected to screen cloth (10) both sides, and skeleton (11) one end is equipped with first draw-in groove (12), first dop (13) are connected to first draw-in groove (12) one side, the skeleton (11) other end is connected with second draw-in groove (15), and first dop (13) are connected to second draw-in groove (15) one side, second dop (14) are connected in first draw-in groove (12), and first dop (13) are connected in second draw-in groove (15).

2. The VVT engine high-temperature-resistant oil control valve according to claim 1, characterized in that: valve barrel (1) is connected to valve body (18) bottom, and the inside bottom of valve barrel (1) is connected with filter screen (2), filter screen (2) form for the corrosion resistant plate trompil, and filter screen (2) both sides are fixed on the inside annular main part of valve barrel (1).

3. The VVT engine high-temperature-resistant oil control valve according to claim 1, characterized in that: the filter screen (2) bottom is equipped with reinforcing plate (3), and reinforcing plate (3) one end is connected in spacing groove (4), the perfect block of one end of spacing groove (4) and reinforcing plate (3).

4. The VVT engine high-temperature-resistant oil control valve according to claim 1, characterized in that: reinforcing plate (3) one end is equipped with fixed slot (8), one end is connected with flexible post (7) in recess (5), and is equipped with spring (6) on flexible post (7), fixed block (9) is connected to flexible post (7) one end, and fixed block (9) swing joint is inside fixed slot (8).

5. The VVT engine high-temperature-resistant oil control valve according to claim 1, characterized in that: the oil control valve is characterized in that a limiting convex shoulder (16) is arranged on the valve sleeve (1), a screen (10) is connected between the two limiting convex shoulders (16), and the screen (10) is arranged at an oil inlet and an oil outlet of the valve sleeve (1) of the oil control valve.

6. The VVT engine high-temperature-resistant oil control valve according to claim 1, characterized in that: skeleton (11) are connected to screen cloth (10) both sides, and skeleton (11) one end is equipped with first draw-in groove (12), first dop (13) are connected to first draw-in groove (12) one side, the skeleton (11) other end is connected with second draw-in groove (15), and first dop (13) are connected to second draw-in groove (15) one side, second dop (14) are connected in first draw-in groove (12), and first dop (13) are connected in second draw-in groove (15).

Technical Field

The invention relates to the technical field of VVT (variable valve timing) engines, in particular to a high-temperature-resistant engine oil control valve of a VVT engine.

Background

The engine VVT system is widely used in automobiles, and as a control component of an actuating system, an electromagnetic control valve is the most important component, and the phase of an engine cam is adjusted through the equipped control and actuating system, so that the opening and closing time of a valve is changed along with the change of the engine speed, thereby improving the charging efficiency and increasing the engine power.

The retrieved patent number is CN204060838U, and a VVT engine oil control valve for an oil hole accurate control flow type engine comprises a valve sleeve and a valve core, wherein three groups of oil holes are arranged on the circumferential wall of the valve sleeve; the valve core is provided with a convex ring, and is characterized in that: the sizes of the middle group of oil holes are the same, and the error is controlled to be +/-0.05 mm; the circles of the middle group of oil holes are positioned on the same plane, the error is controlled to be +/-0.05 mm, and the plane is vertical to the axis of the valve sleeve.

The invention changes the original destructive test into the nondestructive test, and also saves the test cost, but in the actual use process of the device, impurities in the engine oil can easily cause the control valve to generate the clamping stagnation phenomenon, thereby causing the abnormal work of the whole VVT system, in addition, the end part is not provided with the filter screen, the mechanical strength of the steel wire woven filter screen is weaker, the filter screen is easy to break, and when one end of the filter screen is blocked by particles, the filter screen is not suitable to be detached for replacement.

Therefore, the high-temperature-resistant engine oil control valve of the VVT engine is designed.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a high-temperature-resistant engine oil control valve of a VVT (variable valve timing) engine, which solves the problems in the background art.

In order to achieve the purpose, the invention adopts the technical scheme that:

a high-temperature-resistant engine oil control valve of a VVT (variable valve timing) engine comprises a valve body and a valve sleeve, wherein one side of the valve body is connected with a fixing part, one side inside the valve body is provided with a limiting groove, the other side inside the valve body is provided with a groove, the bottom of the valve body is connected with the valve sleeve, the bottom end inside the valve sleeve is connected with a filter screen, the bottom of the filter screen is provided with a reinforcing plate, one end of the reinforcing plate is connected into the limiting groove, one end of the reinforcing plate is provided with a fixing groove, the fixing block is movably connected into the fixing groove, one end inside the groove is connected with a telescopic column, the telescopic column is provided with a spring, one end of the telescopic column is connected with the fixing block, the valve sleeve is provided with a limiting convex shoulder, a screen is connected between the two limiting convex shoulders, two sides of the screen are connected, the first clamping groove is connected with the second clamping head, and the second clamping groove is connected with the first clamping head.

Further, the valve body bottom is connected with the valve barrel, and the inside bottom of valve barrel is connected with the filter screen, the filter screen forms for the corrosion resistant plate trompil, and the filter screen both sides are fixed on the inside annular main part of valve barrel.

Further, the filter screen bottom is equipped with the reinforcing plate, and reinforcing plate one end is connected at the spacing inslot, the perfect block of one end of spacing groove and reinforcing plate.

Further, reinforcing plate one end is equipped with the fixed slot, one end is connected with flexible post in the recess, and is equipped with the spring on the flexible post, the fixed block is connected to flexible post one end, and fixed block swing joint is inside the fixed slot.

Furthermore, a limiting convex shoulder is arranged on the valve sleeve, a screen is connected between the two limiting convex shoulders, and the screen is arranged at an oil inlet and an oil outlet on the valve sleeve of the oil control valve.

Further, the framework is connected to the screen cloth both sides, and skeleton one end is equipped with first draw-in groove, first dop is connected to first draw-in groove one side, the skeleton other end is connected with the second draw-in groove, and connects first dop on one side of the second draw-in groove, the second dop is connected to first draw-in groove, and first dop is connected to the second draw-in groove.

The invention has the beneficial effects that:

1. according to the invention, the two sides of the screen are connected with the framework, one end of the framework is provided with the first clamping groove, one side of the first clamping groove is connected with the first clamping head, the other end of the framework is connected with the second clamping groove, one side of the second clamping groove is connected with the first clamping head, the first clamping groove is connected with the second clamping head, the second clamping groove is connected with the first clamping head, the screen is formed into a cylinder in the connecting mode, the screen is conveniently installed on the valve sleeve, and the structure is assembled in a simple mode.

2. According to the invention, a fixing groove is formed in one end of a reinforcing plate, a telescopic column is connected to one end of the groove, a spring is arranged on the telescopic column, one end of the telescopic column is connected with the fixing block, the fixing block is movably connected to the inside of the fixing groove, when the reinforcing plate needs to be disassembled, the reinforcing plate is pulled towards one side of the groove, so that the telescopic column is compressed through the fixing block connected with the fixing groove at one end of the reinforcing plate in the groove, when the telescopic column is compressed, one end of the reinforcing plate is separated from the limiting groove after the spring is compressed, and then the reinforcing plate is pulled to separate the fixing block from the fixing groove, so that the reinforcing plate is taken down.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a valve sleeve section;

fig. 3 is a schematic view of the internal structure of the valve housing;

FIG. 4 is a schematic view of a screen attachment portion;

fig. 5 is an enlarged schematic view of a portion a in fig. 3.

In the figure: 1. a valve housing; 2. filtering with a screen; 3. a reinforcing plate; 4. a limiting groove; 5. a groove; 6. a spring; 7. a telescopic column; 8. fixing grooves; 9. a fixed block; 10. screening a screen; 11. a framework; 12. a first card slot; 13. a first chuck; 14. a second chuck; 15. a second card slot; 16. a limiting convex shoulder; 17. a fixing member; 18. a valve body.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to FIGS. 1-5: a high-temperature-resistant engine oil control valve of a VVT engine comprises a valve body 18 and a valve sleeve 1, wherein one side of the valve body 18 is connected with a fixing part 17, one side inside the valve body 18 is provided with a limiting groove 4, the other side inside the valve body 18 is provided with a groove 5, the bottom of the valve body 18 is connected with the valve sleeve 1, the bottom end inside the valve sleeve 1 is connected with a filter screen 2, the bottom of the filter screen 2 is provided with a reinforcing plate 3, one end of the reinforcing plate 3 is connected in the limiting groove 4, one end of the reinforcing plate 3 is provided with a fixing groove 8, the fixing groove 8 is movably connected with a fixing block 9, one end inside the groove 5 is connected with a telescopic column 7, the telescopic column 7 is provided with a spring 6, one end of the telescopic column 7 is connected with the fixing block 9, the valve sleeve 1 is provided with a limiting convex shoulder 16, a screen 10 is connected between the two limiting convex shoulders 16, and one side of the second clamping groove 15 is connected with the first clamping head 13, the first clamping groove 12 is connected with the second clamping head 14, and the second clamping groove 15 is connected with the first clamping head 13.

Valve barrel 1 is connected to 18 bottoms of valve body, and the inside bottom of valve barrel 1 is connected with filter screen 2, and filter screen 2 forms for the corrosion resistant plate trompil, and filter screen 2 both sides are fixed on the inside annular main part of valve barrel 1, and filter screen 2 through the stainless steel setting has solved the easy fatigue fracture's of filter screen 2 among the machine oil control valve of current tip fuel feeding problem.

2 bottoms of filter screen are equipped with reinforcing plate 3, and 3 one ends of reinforcing plate are connected in spacing groove 4, and the perfect block of one end of spacing groove 4 and reinforcing plate 3, when granule in the hydraulic oil blocks up downthehole at filter screen 2, and hydraulic oil can sharply increase to the bending stress of filter screen 2, leads to this problem can be more serious, has certain supporting role to filter screen 2 through being equipped with reinforcing plate 3.

3 one ends of reinforcing plate are equipped with fixed slot 8, one end is connected with flexible post 7 in the recess 5, and be equipped with spring 6 on flexible post 7, fixed block 9 is connected to 7 one ends of flexible post, and fixed block 9 swing joint is inside fixed slot 8, when needs are dismantled reinforcing plate 3, draw reinforcing plate 3 toward one side at recess 5's place, make reinforcing plate 3 one end in recess 5 pass through fixed block 9 that fixed slot 8 is connected and compress flexible post 7, when flexible post 7 compresses, after spring 6 compresses, make reinforcing plate 3 one end break away from spacing inslot 4, then drag reinforcing plate 3 and make fixed block 9 break away from fixed slot 8, take off reinforcing plate 3 with this, the convenient dismantlement of reinforcing plate 3 of this device, the convenience is dismantled filter screen 2.

Be equipped with spacing convex shoulder 16 on the valve barrel 1, and connect screen cloth 10 between two spacing convex shoulders 16, oil inlet and oil outlet department on the valve barrel 1 of screen cloth 10 installation machine oil control valve can filter the impurity that exists in the machine oil through the screen cloth 10 that sets up, avoids appearing impurity and makes the control valve produce the jamming phenomenon to lead to whole VVT system's abnormal operation.

Skeleton 11 is connected to screen cloth 10 both sides, and 11 one ends of skeleton are equipped with first draw-in groove 12, first dop 13 is connected to first draw-in groove 12 one side, the skeleton 11 other end is connected with second draw-in groove 15, and first dop 13 is connected to second draw-in groove 15 one side, second dop 14 is connected to first draw-in groove 12, and first dop 13 is connected to second draw-in groove 15, constitute a cylinder with screen cloth 10 through this connected mode, the convenient installation is on valve barrel 1, this structure adopts simple mode to assemble.

In summary, when the valve sleeve is used, the first clamping groove 12 is connected with the second clamping head 14, the second clamping groove 15 is connected with the first clamping head 13, the screen mesh 10 is formed into a cylinder, the valve sleeve is conveniently installed on the valve sleeve 1, impurities in engine oil can be filtered through the arranged screen mesh 10, the phenomenon that the control valve is clamped by the impurities is avoided, when the reinforcing plate 3 needs to be disassembled, the reinforcing plate 3 is pulled towards one side of the groove 5, one end of the reinforcing plate 3 in the groove 5 is compressed through the fixing block 9 connected with the fixing groove 8, when the telescopic column 7 is compressed, one end of the reinforcing plate 3 is separated from the limiting groove 4 after the spring 6 is compressed, and then the reinforcing plate 3 is pulled to separate the fixing block 9 from the fixing groove 8, so that the reinforcing plate 3 is taken down.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.