阅读说明：本技术 一种vvt发动机控制阀多孔阀芯 (Porous valve core of VVT engine control valve ) 是由 蓝宗华 汪凯 于 2020-06-28 设计创作，主要内容包括：本发明涉及VVT发动机控制阀技术领域,且公开了一种VVT发动机控制阀多孔阀芯,包括中空芯体、内阀芯和外阀芯,所述中空芯体底端一周设有多个油孔,所述外阀芯包括阀套,所述阀套内壁设有多个滑块,所述阀套顶部连接连接块,且连接块外壁设有防滑层,所述连接块内部连接第二螺纹,所述阀套底部连接固定块,所述内阀芯包括阀头,且阀头顶部中间连接连接板,所述连接板顶部连接有两个锁止头,所述阀头底部连接锁紧块,且锁紧块上说有第一螺纹,所述第一螺纹连接第二螺纹,所述锁紧块底部连接内阀体,且内阀体上说有多个滑槽,所述滑槽活动连接滑块。该VVT发动机控制阀多孔阀芯,方便安装和拆卸,便于工作人员的操作,通用性好。(The invention relates to the technical field of VVT (variable valve timing) engine control valves, and discloses a porous valve core of a VVT engine control valve, which comprises a hollow core body, an inner valve core and an outer valve core, wherein a plurality of oil holes are formed in the periphery of the bottom end of the hollow core body, the outer valve core comprises a valve sleeve, a plurality of sliding blocks are arranged on the inner wall of the valve sleeve, the top of the valve sleeve is connected with a connecting block, an anti-skid layer is arranged on the outer wall of the connecting block, second threads are connected inside the connecting block, the bottom of the valve sleeve is connected with a fixed block, the inner valve core comprises a valve head, a connecting plate is connected in the middle of the top of the valve head, two locking heads are connected at the top of the connecting plate, the bottom of the valve head is connected with a locking block, first threads are arranged on the locking block, the first threads. The porous valve core of the VVT engine control valve is convenient to install and disassemble, is convenient for the operation of workers and has good universality.)

1. The utility model provides a VVT engine control valve porous valve core, includes cavity core (17), inner valve core (2) and outer valve core (1), its characterized in that: the hollow valve body is characterized in that a plurality of oil holes (3) are formed in the bottom of the hollow core body (17) in a circle, the outer valve core (1) comprises a valve sleeve (12), a plurality of sliding blocks (16) are arranged on the inner wall of the valve sleeve (12), a connecting block (15) is connected to the top of the valve sleeve (12), an anti-slip layer (14) is arranged on the outer wall of the connecting block (15), second threads (13) are connected to the inner wall of the connecting block (15), fixing blocks (4) are connected to the bottom of the valve sleeve (12), the inner valve core (2) comprises a valve head (5), a connecting plate (6) is connected to the middle of the top of the valve head (5), two locking heads (7) are connected to the top of the connecting plate (6), first threads (9) are arranged on the locking block (8), the first threads (9) are connected to the second threads (13), an inner valve body (10, the sliding groove (11) is movably connected with a sliding block (16).

2. The VVT engine control valve porous spool of claim 1, wherein: the inner wall of the valve sleeve (12) is provided with a plurality of sliding blocks (16), the inner valve body (10) is provided with a plurality of sliding grooves (11), the number of the sliding grooves (11) is equal to that of the sliding blocks (16), and the sliding grooves (11) are correspondingly connected with the sliding blocks (16).

3. The VVT engine control valve porous spool of claim 1, wherein: valve head (5) bottom is connected latch segment (8), and interior valve body (10) are connected to latch segment (8) bottom, and latch segment (8) pass through welding mode fixed connection with interior valve body (10) and valve head (5) respectively.

4. The VVT engine control valve porous spool of claim 1, wherein: the inner diameter of the valve sleeve (12) is matched with the outer diameter of the inner valve body (10), the outer wall of the connecting block (15) is provided with an anti-skid layer (14), and the anti-skid layer (14) is filled with anti-skid materials.

5. The VVT engine control valve porous spool of claim 1, wherein: connecting block (15) internal connection second screw thread (13), first screw thread (9) have been said on latch segment (8), and second screw thread (13) are connected in first screw thread (9), first screw thread (9) and second screw thread (13) are mutually supported.

6. The VVT engine control valve porous spool of claim 1, wherein: the top of the connecting plate (6) is connected with two locking heads (7), the locking heads (7) are respectively positioned at two sides of the connecting plate (6), and the two locking heads (7) can slide towards the center.

Technical Field

The invention relates to the technical field of VVT (variable valve timing) engine control valves, in particular to a porous valve core of a VVT engine control valve.

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.

A VVT engine control valve and a control method thereof in which hysteresis nonlinearity is compensated by a mechanical opening in a VVT technology of CN102367751A are retrieved, the defects that the air inlet is insufficient and the exhaust is not clean due to the fact that the time spent on rotating the camshaft by a fixed angle is gradually shortened along with the increase of the rotating speed of the traditional engine are overcome, one end of a winding assembly inside a shell is connected with a control component, a shell wall of the control component is provided with an oil inlet, a lagging cavity oil outlet and an advancing cavity oil outlet which are located on two sides of the oil inlet, a sunken compensation area is arranged on the periphery of a valve core, two ends of the compensation area are valve cores which correspond to magnetic force characteristics in a nonlinear mode and can be overlapped into linear arc surfaces to be connected through connection, the compensation area arranged on the periphery of the valve core carries out mechanical linear compensation on a control valve, and the compensation area is communicated with the advancing cavity oil outlet or the lagging cavity oil outlet so that the.

The camshaft of the traditional engine is improved along with the rotating speed, but the valve core of the control valve of the device is integrated, so that the control valve is inconvenient to mount and dismount, and troublesome to check and maintain by workers.

Therefore, a VVT engine control valve porous valve core is designed.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a VVT engine control valve porous valve core, which solves the problems in the background technology.

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

the utility model provides a porous case of VVT engine control valve, includes cavity core, inner valve core and outer valve core, cavity core bottom a week is equipped with a plurality of oilholes, outer valve core includes the valve barrel, the valve barrel inner wall is equipped with a plurality of sliders, the connecting block is connected at the valve barrel top, and connecting block outer wall is equipped with the skid resistant course, connecting block internal connection second screw thread, the fixed block is connected to the valve barrel bottom, inner valve core includes the valve head, and valve head top intermediate junction connecting plate, the connecting plate top is connected with two locking heads, and has first screw thread on the latch segment, first threaded connection second screw thread, the inner valve body is connected to the latch segment bottom), and is equipped with a plurality of spouts on the inner valve body, spout swing joint slider.

Furthermore, the inner wall of the valve sleeve is provided with a plurality of sliding blocks, the inner valve body is provided with a plurality of sliding grooves, the number of the sliding grooves is equal to that of the sliding blocks, and the sliding grooves correspond to the connecting sliding blocks.

Further, the bottom of the valve head is connected with a locking block, the bottom of the locking block is connected with the inner valve body, and the locking block is fixedly connected with the inner valve body and the valve head in a welding mode respectively.

Furthermore, the inner diameter of the valve sleeve is matched with the outer diameter of the inner valve body in size, an anti-skid layer is arranged on the outer wall of the connecting block, and anti-skid materials are filled in the anti-skid layer.

Furthermore, second screw thread is connected to connecting block internal connection, first screw thread has been said on the latch segment, and first threaded connection second screw thread, first screw thread and second screw thread are mutually supported.

Furthermore, the top of the connecting plate is connected with two locking heads which are respectively positioned at two sides of the connecting plate, and the two locking heads can slide towards the center.

The invention has the beneficial effects that:

1. according to the invention, the sliding groove is aligned to the sliding block, the inner valve core is inserted into the outer valve core body, and the connecting block is screwed on the connecting block, so that the inner valve core is fastened, wherein the inner valve core can be prevented from rotating inside the outer valve core through the matching of the sliding groove and the sliding block, the inner valve core can be prevented from falling through the matching of the connecting block and the connecting block, the outer valve core and the inner valve core can be installed and detached through the sliding groove, the sliding block, the connecting block and the locking block, so that the operation of workers is facilitated, and the convenience is brought to the production and the maintenance.

2. According to the invention, the top of the connecting plate is connected with two locking heads which are respectively positioned at two sides of the connecting plate, the two locking heads can slide towards the center, the number of the valve cores is selected through parameters of the control valve, one valve core is selected to be connected with the locking hole through the locking head when the control valve is in a one-way state, and the locking heads of the two valve cores are selected to be connected with the locking hole when the control valve is in a two-way state, so that the universality of the device is improved through the structure.

Drawings

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

FIG. 2 is a partial structural view of the inner valve core;

FIG. 3 is a partial structural view of the outer valve core;

fig. 4 is a schematic view of a valve sleeve portion configuration.

In the figure: 1. an outer valve core; 2. an inner valve core; 3. an oil hole; 4. a fixed block; 5. a valve head; 6. a connecting plate; 7. a locking head; 8. a locking block; 9. a first thread; 10. an inner valve body; 11. a chute; 12. a valve housing; 13. a second thread; 14. an anti-slip layer; 15. connecting blocks; 16. a slider; 17. a hollow core.

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. 1-4: the utility model provides a VVT engine control valve porous valve core, includes cavity core 17, inner valve core 2 and outer valve core 1, its characterized in that: 17 bottom a week of cavity core is equipped with a plurality of oilholes 3, outer case 1 includes valve barrel 12, 12 inner walls of valve barrel are equipped with a plurality of sliders 16, connecting block 15 is connected at 12 tops of valve barrel, and connecting block 15 outer wall is equipped with skid resistant course 14, 15 internal connection second screw threads 13 of connecting block, fixed block 4 is connected to 12 bottoms of valve barrel, inner case 2 includes valve head 5, and 5 top intermediate junction connecting plate 6 of valve head, 6 tops of connecting plate are connected with two locking heads 7, and it has first screw thread 9 to say on the latch segment 8, first screw thread 9 connects second screw thread 13, interior valve body 10 is connected to 8 bottoms of latch segment, and be equipped with a plurality of spouts 11 on the interior valve body 10, spout 11 swing joint slider 16.

The inner wall of the valve sleeve 12 is provided with a plurality of sliding blocks 16, the inner valve body 10 is provided with a plurality of sliding grooves 11, the number of the sliding grooves 11 is equal to that of the sliding blocks 16, the sliding grooves 11 correspond to the connecting sliding blocks 16, when the sliding grooves 11 are connected with the sliding blocks 16, the inner valve body 10 is fixedly connected with the valve sleeve 12, and the inner valve core 2 can be prevented from rotating in the outer valve core 1 through the structure.

The latch segment 8 is connected to valve head 5 bottom, and interior valve body 10 is connected to latch segment 8 bottom, and latch segment 8 respectively with interior valve body 10 and valve head 5 through welding mode fixed connection, through connecting block 15 and connecting block 15's cooperation, can prevent that inner valve core 2 from droing.

The internal diameter of valve barrel 12 and the external diameter size phase-match of internal valve body 10, connecting block 15 outer wall is equipped with skid resistant course 14, and the skid resistant course 14 intussuseption is filled with anti-skidding material, make and be connected between valve barrel 12 and the internal valve body 10 through spout 11, slider 16, connecting block 15 and latch segment 8, thereby make things convenient for and install and dismantle between outer case 1 and the internal valve case 2, the staff of being convenient for operates, thereby brought the facility for production and maintenance.

Connecting block 15 internal connection second screw thread 13 has first screw thread 9 on the latch segment 8 to say, and first screw thread 9 connects second screw thread 13, and first screw thread 9 and second screw thread 13 mutually support, screw up through first screw thread 9 and second screw thread 13 for connecting block 15 is screwed up connecting block 15, thereby makes through this device and fastens inner valve core 2.

The top of the connecting plate 6 is connected with two locking heads 7, the locking heads 7 are respectively positioned on two sides of the connecting plate 6, the two locking heads 7 can slide towards the center, the number of the valve cores is selected through parameters of the control valve, one valve core is selected to be connected with the locking hole through the locking head 7 when the control valve is in a one-way state, the locking head 7 of the two valve cores is selected to be connected with the locking hole when the control valve is in a two-way state, and the universality of the device is improved through the structure.

In summary, when the valve core assembly is used and installed, the sliding groove 11 is aligned to the sliding block 16, the inner valve core 2 is inserted into the outer valve core 1, the connecting block 15 is screwed on the connecting block 15, and the inner valve core 2 is fastened, wherein the sliding groove 11 is matched with the sliding block 16, the inner valve core 2 can be prevented from rotating inside the outer valve core 1, the inner valve core 2 can be prevented from falling off through the matching of the connecting block 15 and the connecting block 15, in addition, the outer valve core 1 and the inner valve core 2 can be installed and detached through the sliding groove 11, the sliding block 16, the connecting block 15 and the locking block 8, and the operation of workers is facilitated, so that convenience is brought to production and maintenance.

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.