Cylinder cover with high reliability

Abstract

The utility model discloses a cylinder cover with high reliability, which comprises a cylinder cover, a sealing block, a sealing gasket and a screw rod, a plurality of positioning points are arranged at the edge of the surface of one end of the cylinder cover, a plurality of positioning holes matched with the positioning points are arranged at the edge of the sealing gasket, and a plurality of through holes are arranged in the cylinder cover in a penetrating manner. The top of each through hole is provided with a sealing groove, the bottom of the inner wall of each sealing groove is of a big-end-up structure, and a plurality of fixing grooves are formed in the top of the inner wall of each sealing groove. The assembling efficiency is improved, a gap between the screw rod and the through hole can be effectively reduced through the sealing block, engine oil is prevented from seeping out of the gap, the sealing performance is improved, the problem that the cylinder cover vibrates due to the existence of the gap is solved, and the reliability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cylinder cover, concretely relates to a high reliability cylinder cover. BACKGROUND

[0002] The motorcycle engine cylinder is usually composed of cylinder body, cylinder cover, piston, piston ring, crankshaft, connecting rod, valve and other main parts. Among them, the cylinder body and the cylinder cover constitute the basic structure of the cylinder, play the role of containing the piston movement and sealing the combustion chamber; the piston and the piston ring are responsible for reciprocating motion in the cylinder, bearing the combustion pressure; the crankshaft and the connecting rod are responsible for converting the reciprocating motion of the piston into the rotary motion of the crankshaft, thereby driving the vehicle forward.

[0003] In order to strengthen the sealing between the cylinder body and the cylinder cover, a sealing gasket is usually installed between the cylinder body and the cylinder cover during assembly. However, the contact surfaces of the cylinder cover and the cylinder body are both flat and smooth structures, which leads to the problem of positional deviation of the sealing gasket during installation, thereby affecting the assembly efficiency and also affecting the sealing effect. In addition, the cylinder cover and the cylinder body are usually fixed by a screw rod, and a through hole is usually provided on the cylinder cover and the cylinder body for the screw rod to pass through. However, there is a gap between the screw rod and the through hole, which leads to the problem that the engine oil inside the cylinder body and the cylinder cover easily penetrates into the gap after installation, causing oil leakage and easily leading to vibration between the cylinder cover and the cylinder body, thereby easily accelerating the damage of the sealing gasket and affecting the sealing performance.

[0004] Therefore, the applicant has made a beneficial design and found a method to solve the above problems. The technical solution to be introduced below is generated in this background. CONTENT OF THE UTILITY MODEL

[0005] The utility model relates to a high reliability cylinder cover to solve the problems raised in the background technology.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] A high reliability cylinder cover, comprising a cylinder cover, a sealing block, a sealing gasket and a screw rod, wherein the cylinder cover is provided with a plurality of positioning points at the edge of the surface of one end, the sealing gasket is provided with a plurality of positioning holes at the edge for cooperating with the positioning points, a plurality of through holes are provided in the cylinder cover, the top of each through hole is provided with a sealing groove, the inner wall of the sealing groove is of a large-top-small-bottom structure, a plurality of fixing grooves are formed in the top of the inner wall of the sealing groove, the top outer wall of the sealing block is provided with a plurality of fixing blocks, the bottom outer wall of the sealing block is of a large-top-small-bottom structure, the sealing block is embedded in the sealing groove, the outer wall of the sealing block is tightly combined with the inner wall of the sealing groove, a screw hole is formed in the sealing block, and the screw hole is screwed with the screw rod.

[0008] Preferably, the fixing block is clamped into the fixing groove.

[0009] Preferably, the height of the positioning point is slightly lower than the height of the positioning hole, and the positioning point is clamped into the positioning hole.

[0010] Advantages

[0011] The above one or more technical solutions of the cylinder head with high reliability provided by the embodiment of the utility model have at least one of the following technical effects:

[0012] The utility model discloses a positioning point and positioning hole are equipped with, can effectively play the positioning effect to the sealing gasket, avoid the problem that the sealing gasket is easy to appear position deviation, improve the assembly efficiency, and the sealing block is clamped into the sealing groove in the top of through -hole when assembling, and the sealing groove and sealing block are all big down small structure, when the screw rod is tightened, the thread structure between the screw rod and the sealing block screw hole can tightly press the sealing block in the sealing groove, thereby effectively reducing the gap between the screw rod and the through -hole, not only avoid the oil from the gap seepage, improve the sealing, and avoid the problem that the cylinder cover appears the vibration because of the gap, improve the reliability. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the cylinder cover structure schematic view of the utility model;

[0014] Figure 2 It is the sealing gasket structure schematic view of the utility model;

[0015] Figure 3 It is the sealing block structure schematic view of the utility model;

[0016] Figure 4 It is the section structure schematic view of the utility model;

[0017] Figure 5 It is Figure 4 The enlarged structure schematic view of A of the utility model.

[0018] The corresponding relationship between the various figure marks and component names in the drawing is as follows:

[0019] 1, cylinder cover;2, sealing block;3, sealing gasket;4, screw rod;5, positioning point;6, positioning hole;7, through -hole;8, sealing groove;9, fixing groove;10, fixed block;11, screw hole. DETAILED DESCRIPTION

[0020] The technical solutions of the utility model will be described clearly and completely below in connection with the embodiments. Obviously, the described embodiments are some of the embodiments of the utility model, but not all the embodiments. Based on the embodiments of the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "upper", "lower", "left", "right" and the like is the orientation or position relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0022] In the description of the utility model, it should be understood that the terms "set", "mounted", "connected", "connected" should be understood broadly unless otherwise explicitly specified and limited, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium; can be the communication inside two elements. For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] As shown in the figure, it is a structure diagram of a high-reliability cylinder cover of a preferred embodiment of the utility model; Figures 1-5

[0024] ​In the embodiment, the cylinder cover 1, the sealing block 2, the sealing gasket 3 and the screw rod 4 are provided, the cylinder cover 1 is provided with a plurality of positioning points 5 at the edge of the surface of one end, the positioning points 5 are arranged in an array, the sealing gasket 3 is provided with a plurality of positioning holes 6 at the edge for cooperating with the positioning points 5, a plurality of through holes 7 are provided in the cylinder cover 1, the through holes 7 are used for passing through the screw rod 4, the top of the through hole 7 is provided with a sealing groove 8, the inner wall of the sealing groove 8 is provided with a large upper and small lower structure at the bottom, a plurality of fixing grooves 9 are formed in the top of the inner wall of the sealing groove 8, the top outer wall of the sealing block 2 is provided with a plurality of fixing blocks 10, the bottom outer wall of the sealing block 2 is provided with a large upper and small lower structure, the sealing block 2 is embedded in the sealing groove 8, the outer wall of the sealing block 2 is tightly combined with the inner wall of the sealing groove 8, a screw hole 11 is formed in the sealing block 2, and the screw hole 11 is screwed with the screw rod 4. Through the cooperation of the positioning points 5 and the positioning holes 6, the sealing gasket 3 can be effectively positioned, the problem that the sealing gasket 3 is prone to position deviation is avoided, and the assembly efficiency is improved; and through the sealing block 2, the sealing block 2 is clamped and embedded in the sealing groove 8 at the top of the through hole 7 during assembly, and the sealing groove 8 and the sealing block 2 are both provided with a large upper and small lower structure, when the screw rod 4 is tightened, the sealing block 2 can be tightly pressed in the sealing groove 8 through the threaded structure between the screw rod 4 and the screw hole 11 of the sealing block 2, so that the gap between the screw rod 4 and the through hole 7 can be effectively reduced, not only the leakage of engine oil from the gap is avoided, the sealing performance is improved, but also the problem that the cylinder cover 1 is prone to vibration due to the gap is avoided, and the reliability is improved.

[0025] In the embodiment, the fixing block 10 is clamped and embedded in the fixing groove 9, and through the cooperation of the fixing block 10 and the fixing groove 9, the sealing block 2 can be prevented from rotating with the screw rod 4 when the screw rod 4 is tightened.

[0026] In the embodiment, the height of the positioning point 5 is slightly lower than the height of the positioning hole 6, the positioning point 5 is clamped and embedded in the positioning hole 6, through the cooperation of the positioning point 5 and the positioning hole 6, the sealing gasket can be effectively positioned, the problem that the sealing gasket is prone to position deviation is avoided, and the assembly efficiency is improved, the sealing gasket 3 is arranged between the cylinder cover 1 and the cylinder body, and since the height of the positioning point 5 is lower than the height of the positioning hole 6, the phenomenon that the sealing gasket 3 and the cylinder cover 1 and the cylinder body have a gap does not occur.

[0027] The installation mode, the connection mode or the setting mode of the cylinder cover with high reliability are all common mechanical modes, and as long as the beneficial effects can be achieved, the implementation can be carried out.

[0028] The technologies not described in detail in the utility model are all known technologies, and the contents represented in the drawings are part of the description.

[0029] The above is further detailed description of the utility model in combination with specific embodiments, and cannot be determined that the utility model specific implementation is limited to these descriptions. For ordinary skilled in the art to which the utility model belongs, without departing from the concept of the utility model, a number of simple deductions or substitutions can be made, and all should be regarded as belonging to the protection scope determined by the claims submitted by the utility model.

Claims

1. A cylinder head with high reliability, comprising a cylinder head (1), a sealing block (2), a sealing gasket (3), a screw rod (4), characterized in that: The cylinder cover (1) is provided with a plurality of positioning points (5) at the edge of one end surface, the sealing gasket (3) is provided with a plurality of positioning holes (6) matched with the positioning points (5), a plurality of through holes (7) are provided in the cylinder cover (1), the top of each through hole (7) is provided with a sealing groove (8), the inner wall bottom of the sealing groove (8) is of a structure that is large at the top and small at the bottom, a plurality of fixing grooves (9) are formed in the inner wall top of the sealing groove (8), the top outer wall of the sealing block (2) is provided with a plurality of fixing blocks (10), the bottom outer wall of the sealing block (2) is of a structure that is large at the top and small at the bottom, the sealing block (2) is embedded in the sealing groove (8), the outer wall of the sealing block (2) is tightly combined with the inner wall of the sealing groove (8), a screw hole (11) is formed in the sealing block (2), and the screw hole (11) is screwed with the screw rod (4).

2. The cylinder head with high reliability according to claim 1, characterized in that: The fixing block (10) is clamped into the fixing groove (9).

3. The cylinder head with high reliability according to claim 1, characterized in that: The height of the positioning point (5) is slightly lower than the height of the positioning hole (6), and the positioning point (5) is clamped into the positioning hole (6).

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