CN216111032U

CN216111032U - High-stability engine cylinder cover

Info

Publication number: CN216111032U
Application number: CN202122794884.0U
Authority: CN
Inventors: 郑志新
Original assignee: Taizhou Yongyu Industry Co ltd
Current assignee: Taizhou Yongyu Industry Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-03-22
Anticipated expiration: 2031-11-15

Abstract

The utility model provides an engine cylinder cover with high stability, belonging to engine parts. The valve rod collision prevention device solves the problem that the valve rod can continuously collide with the inside of an engine cylinder cover in the operation process, so that the engine cylinder cover can be damaged, and the sealing performance of the engine cylinder cover is affected. This engine cylinder lid of high stability, including cylinder body and cylinder cap body, the cylinder cap body in seted up the inlet channel that supplies the gas to get into, the cylinder cap body in seted up and supply gas outgoing's outlet channel, this internal admission valve pole that is used for controlling the inlet channel switching that still is provided with of cylinder cap, this internal play valve pole that is used for controlling the outlet channel switching that still is provided with of cylinder cap, the admission valve pole comprises the body of rod and intake valve dish, the lower extreme of intake valve dish is provided with the sealed disc that further control inlet channel opened and close. The utility model has the advantages of high stability and strong sealing effect.

Description

High-stability engine cylinder cover

Technical Field

The utility model belongs to an engine part, relates to an engine cylinder cover, and particularly relates to a high-stability engine cylinder cover.

Background

In the automobile industry, an automobile engine cylinder cover is an important component of an engine, and the quality of the automobile engine cylinder cover directly influences the performance of the automobile engine. The existing automobile engine cylinder cover has the defects of insufficient air inlet passage wall thickness, connecting hole wall thickness, rocker arm threaded hole tower platform and other margins, so that the strength of the whole automobile engine cylinder cover is insufficient, cracks are easily generated in the production, installation and use processes, the rejection rate of blanks is high, and the service life of the automobile engine cylinder cover is short.

At present, the cylinder head is one of the main parts of the engine, and the main function is to seal the upper part of the cylinder and form a combustion chamber together with the piston top and the cylinder. Be provided with (air) intake valve and exhaust valve on the cylinder head, be provided with the valve stem in (air) intake valve and the exhaust valve, the engine is at the working process, through the switching of valve stem control (air) intake valve and exhaust valve, realizes from the intake valve inhales fresh air or gas, follow the exhaust valve exhaust combustion exhaust gas, the valve stem can be incessant in the operation process collide the inside of engine cylinder lid, can lead to the engine cylinder lid to cause the damage to influence the leakproofness of engine cylinder lid.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provide an engine cylinder cover with high stability and strong sealing effect.

The purpose of the utility model can be realized by the following technical scheme: the engine cylinder cover with high stability comprises a cylinder body and a cylinder cover body, wherein an air inlet channel for air to enter is formed in the cylinder cover body, an air outlet channel for air to exit is formed in the cylinder cover body, the engine cylinder cover is characterized in that an air inlet valve rod for controlling the opening and closing of the air inlet channel is further arranged in the cylinder cover body, an air outlet valve rod for controlling the opening and closing of the air outlet channel is further arranged in the cylinder cover body, the air inlet valve rod consists of a rod body and an air inlet valve disc, a sealing disc for further controlling the opening and closing of the air inlet channel is arranged at the lower end of the air inlet valve disc, a first protruding portion attached to the sealing disc is convexly arranged on the cylinder cover body and opposite to the sealing disc, a second protruding portion is convexly arranged on the upper end of the first protruding portion on the cylinder cover body and opposite to the first protruding portion, a sliding rod is fixedly arranged on the sealing disc, and penetrates through the second protruding portion, the air inlet valve plate can slide on the second protruding portion, a connecting piece for the air inlet valve plate to abut against is fixedly installed at the upper end of the sliding rod, and a return spring is fixedly installed between the connecting piece and the second protruding portion.

In the engine cylinder head with high stability, the mounting structure at the position of the air inlet valve rod and the mounting structure at the position of the air outlet valve rod are arranged in the same structure.

In the engine cylinder head with high stability, the first protruding part is provided with an inclined plane at a position where the first protruding part is attached to the sealing disc, and the inclined plane is attached to the surface of the sealing disc.

In the engine cylinder head with high stability, the number of the air inlet channels and the number of the air outlet channels are four.

In the engine cylinder head with high stability, one end of the return spring is connected to the bottom of the second protruding part, and the other end of the return spring is connected to the upper end of the connecting piece.

In the engine cylinder cover with high stability, the cylinder cover body is externally and fixedly provided with the reinforcing ribs for enhancing stability relative to the air inlet channel, and the reinforcing ribs are shaped like a Chinese character 'jing'.

Compared with the prior art, this engine cylinder lid of high stability all is provided with at inlet channel and outlet channel department and strengthens sealed connecting piece, slide bar and sealing disc, and the engine makes the sealing disc on the air inlet valve pole laminate each other with the bellying in the cylinder cap body through slide bar and connecting piece in the course of the work, has strengthened the leakproofness to at this external fixed mounting of cylinder cap strengthening rib, the overall structure that makes the cylinder cap body has stability more.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

FIG. 3 is a schematic view of the connection of the valve stem to the cylinder head body according to the present invention.

In the figure, 1, a cylinder body; 2. a cylinder head body; 3. an air intake passage; 4. an air outlet channel; 5. an intake valve lever; 6. an air outlet valve rod; 7. a rod body; 8. an intake valve disk; 9. a sealing disc; 10. a first bulge part; 11. a second bulge part; 12. a slide bar; 13. a connecting member; 14. a return spring; 15. and (5) reinforcing ribs.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2 and 3, the engine cylinder cover with high stability comprises a cylinder body 1 and a cylinder cover body 2, wherein an air inlet channel 3 for air to enter is arranged in the cylinder cover body 2, an air outlet channel 4 for air to exhaust is arranged in the cylinder cover body 2, an air inlet valve rod 5 for controlling the opening and closing of the air inlet channel 3 is also arranged in the cylinder cover body 2, an air outlet valve rod 6 for controlling the opening and closing of the air outlet channel 4 is also arranged in the cylinder cover body 2, the air inlet valve rod 5 is composed of a rod body 7 and an air inlet valve disk 8, the rod body 7 is generally positioned in the air valve guide and reciprocates on the air valve guide, a sealing disk 9 for further controlling the opening and closing of the air inlet channel 3 is arranged at the lower end of the air inlet valve disk 8, a first protruding portion 10 attached to the sealing disk 9 is protruded on the cylinder cover body 2 and opposite to the first protruding portion 10, a second protruding portion 11 is arranged on the cylinder cover body 2 and opposite to the upper end of the first protruding portion 10, fixed mounting has slide bar 12 on the sealed disc 9, and slide bar 12 wears to locate on two 11 bellyings to can slide on two 11 bellyings, slide bar 12's upper end fixed mounting has the connecting piece 13 that supplies the (air) intake valve dish 8 to support to lean on, fixed mounting has reset spring 14 between connecting piece 13 and the two 11 bellyings.

In more detail, when the engine starts to operate, the intake valve rod 5 reciprocates on the valve guide, when the intake valve rod 5 moves forwards, the connecting piece 13 moves forwards at the same time, the return spring 14 compresses, the sliding rod 12 slides forwards to drive the sealing disc 9 to move forwards, the intake passage 3 is in an open state, when the intake valve rod 5 moves backwards, the return spring 14 returns, and the sliding rod 12 slides backwards under the action of the return spring 14 to drive the sealing disc 9 to move backwards until clinging to the second protruding part 11, so that the intake passage 3 is in a closed state. In the operation process, the air inlet valve disc 8 on the air inlet valve rod 5 is not contacted with the cylinder cover main body all the time, so that the problem that the cylinder cover main body is greatly abraded when the air inlet valve rod 5 is operated in a reciprocating mode to influence the internal sealing performance is avoided.

In further detail, the mounting structure at the air inlet valve rod 5 and the mounting structure at the air outlet valve rod 6 are arranged in the same structure.

In a detailed description, the connecting piece 13, the sliding rod 12 and the return spring 14 are symmetrically arranged at the lower end of the air inlet valve rod 5, in the cylinder cover body 2, the connecting piece 13, the sliding rod 12 and the return spring 14 are also arranged on the air outlet valve rod 6, in addition, in the running process of the engine, the air outlet valve rod 6 also carries out reciprocating motion on the valve guide pipe, and the running process is the same as that of the air inlet valve rod 5.

In more detail, the first protruding portion 10 has an inclined plane at a position where it abuts against the sealing disk 9, and abuts against the surface of the sealing disk 9.

Preferably, the inlet channels 3 and outlet channels 4 are four in number.

In more detail, one end of the return spring 14 is connected to the bottom of the second protruding portion 11, the other end of the return spring 14 is connected to the upper end of the connecting member 13, and the return spring 14 stretches and retracts under the action of the intake valve disk 8 due to the fact that the intake valve disk 8 abuts against the connecting member 13.

Further saying in detail, 2 outsides of cylinder cap body just locate fixed mounting for inlet channel 3 to have strengthening rib 15 of strengthening stability, strengthening rib 15 be "well" style of calligraphy, the strengthening rib 15 that sets up outside makes 2 structures of cylinder cap body more have stability. .

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims

1. The engine cylinder cover with high stability comprises a cylinder body (1) and a cylinder cover body (2), wherein an air inlet channel (3) for air to enter is formed in the cylinder cover body (2), an air outlet channel (4) for air to exit is formed in the cylinder cover body (2), and the engine cylinder cover is characterized in that an air inlet valve rod (5) for controlling the opening and closing of the air inlet channel (3) is further arranged in the cylinder cover body (2), an air outlet valve rod (6) for controlling the opening and closing of the air outlet channel (4) is further arranged in the cylinder cover body (2), the air inlet valve rod (5) consists of a rod body (7) and an air inlet valve disc (8), a sealing disc (9) for further controlling the opening and closing of the air inlet channel (3) is arranged at the lower end of the air inlet valve disc (8), a first protruding portion (10) attached to the sealing disc (9) is convexly arranged on the cylinder cover body (2) and relative to the sealing disc (9), cylinder cap body (2) on and be equipped with boss two (11) for the upper end of boss one (10) is protruding, sealed disc (9) on fixed mounting have slide bar (12), and slide bar (12) wear to locate on boss two (11) to can slide on boss two (11), the upper end fixed mounting of slide bar (12) has connecting piece (13) that supply (8) of intaking to offset and lean on, fixed mounting has reset spring (14) between connecting piece (13) and boss two (11).

2. A high stability engine head according to claim 1, characterized in that the mounting structure at the inlet valve rod (5) and the mounting structure at the outlet valve rod (6) are arranged in the same structure.

3. A highly stable engine head according to claim 1, characterised in that the first projection (10) has an inclined plane at the location of the sealing disc (9) and in abutment with the surface of the sealing disc (9).

4. A high stability engine head according to claim 1, characterized in that said inlet channels (3) and outlet channels (4) are four in number.

5. A high stability engine head according to claim 1, characterized in that one end of said return spring (14) is connected to the bottom of the second boss (11), and the other end of said return spring (14) is connected to the upper end of the connecting member (13).

6. A high-stability engine cylinder head according to claim 1, characterized in that a reinforcing rib (15) for enhancing stability is fixedly installed outside the cylinder head body (2) and opposite to the air inlet channel (3), and the reinforcing rib (15) is shaped like a Chinese character 'jing'.