CN215672472U

CN215672472U - Novel engine cylinder cover of fuel oil loop

Info

Publication number: CN215672472U
Application number: CN202122712316.1U
Authority: CN
Inventors: 刘世成; 柯小松; 苗晨旭
Original assignee: Beijing Changyuan Langhong Science & Technology Co ltd
Current assignee: Beijing Changyuan Langhong Science & Technology Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-01-28
Anticipated expiration: 2031-11-08

Abstract

The utility model discloses an engine cylinder cover of a novel fuel loop, which comprises a cylinder cover body and a plurality of air outlet channels arranged on the cylinder cover body, wherein arc-shaped concave surfaces are arranged at the tops of the air outlet channels, vent boxes are fixedly connected to the top end of the cylinder cover body at the air outlet channels, each vent box comprises a control cavity and channel cavities positioned on two sides of the control cavity, and springs are fixedly connected to the inner walls of the top ends of the control cavities. According to the utility model, the ventilation box is arranged above the air outlet channel, and the control cavity is arranged in the ventilation box, so that when the internal pressure of the cylinder body is too high, namely internal gas needs to be released, the hemisphere rises under the action of the pressure, the cylinder body is communicated with the outside to release the pressure, and when the internal gas pressure of the cylinder body is normal, the hemisphere is attached to the arc-shaped concave surface under the action of the spring, so that the air tightness in the cylinder body is kept, the cylinder body is not easily polluted, and the ventilation box is worthy of great popularization.

Description

Novel engine cylinder cover of fuel oil loop

Technical Field

The utility model relates to the technical field of engines, in particular to an engine cylinder cover of a novel fuel circuit.

Background

The cylinder cover is arranged on the engine cylinder body, seals the cylinder from the upper part and forms a combustion chamber, and is often contacted with high-temperature and high-pressure fuel gas, so that the cylinder cover bears great heat load and mechanical load.

Chinese patent document CN205503294U discloses an engine cylinder cover, including the cylinder cover body this internal exhaust hole that is equipped with of cylinder cover still be equipped with installation face and locking surface on the cylinder cover body, installation face and locking surface set up the both ends at exhaust hole diameter extension line be equipped with the installation screw on the installation face be equipped with the locking screw on the locking surface, be equipped with the strengthening rib between adjacent installation face, be equipped with locking even muscle between adjacent locking surface be equipped with the location muscle pole between the side of installation face and cylinder cover body. The utility model has simple structure and good use stability, is provided with the mounting screw holes and the locking screw holes, and can select different mounting screw holes according to the requirements, thereby improving the general performance, having wide application range, greatly saving the production cost and the stock quantity, and improving the applicability and the practicability. However, the cylinder head has a problem that it is airtight and the inside of the cylinder is easily contaminated when it is used.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides an engine cylinder head of a novel fuel circuit.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a novel engine cylinder lid in fuel return circuit, a plurality of outlet channel that set up on cylinder cap body and the cylinder cap body, the outlet channel top all is provided with the arc concave surface, the equal fixedly connected with ventilation case in outlet channel department in cylinder cap body top, the ventilation case all includes a control chamber and is located the passageway chamber of control chamber both sides, the equal fixedly connected with spring of control chamber top inner wall, the equal fixedly connected with in spring bottom and arc concave surface matched with hemisphere body, all be provided with the air current channel in the passageway chamber, the air current channel is all being provided with the gas outlet keeping away from control chamber one end.

As a further description of the above technical solution:

the bottom end of the cylinder cover body is provided with a convex edge, and a rubber pad is arranged on the inner side wall of the convex edge.

As a further description of the above technical solution:

the rib is provided with a plurality of first threaded holes.

As a further description of the above technical solution:

an oil inlet channel is arranged in the middle of the cylinder cover body.

As a further description of the above technical solution:

the spring is characterized in that telescopic rods are arranged on two sides of the spring in the control cavity, and two ends of each telescopic rod are fixedly connected to the inner wall of the top end of the control cavity and the top end of the hemisphere respectively.

As a further description of the above technical solution:

and a dust screen is arranged in the air outlet, and the air outlet is obliquely arranged.

As a further description of the above technical solution:

and second threaded holes are formed in the periphery of the cylinder cover body.

The utility model has the following beneficial effects:

according to the utility model, the ventilation box is arranged above the air outlet channel, and the control cavity is arranged in the ventilation box, so that when the internal pressure of the cylinder body is too high, namely internal gas needs to be released, the hemisphere rises under the action of the pressure, the cylinder body is communicated with the outside to release the pressure, and when the internal gas pressure of the cylinder body is normal, the hemisphere is attached to the arc-shaped concave surface under the action of the spring, so that the air tightness in the cylinder body is kept, the interior of the cylinder body is not easily polluted, and the ventilation box is worthy of great popularization.

Drawings

Fig. 1 is a cross-sectional view of an engine cylinder head of a novel fuel circuit provided by the utility model;

FIG. 2 is a front perspective view of an engine head of a novel fuel circuit in accordance with the present invention;

fig. 3 is a bottom perspective view of an engine head of the novel fuel circuit of the present invention.

Illustration of the drawings:

1. a cylinder head body; 2. a rib; 3. a rubber pad; 4. a first threaded hole; 5. an oil inlet channel; 6. an air outlet channel; 7. an arc-shaped concave surface; 8. a ventilation box; 9. a control chamber; 10. a channel cavity; 11. an air flow channel; 12. an air outlet; 13. a dust screen; 14. a spring; 15. a telescopic rod; 16. a hemisphere; 17. and a second threaded hole.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, one embodiment of the present invention is provided: a novel engine cylinder cover with a fuel loop comprises a cylinder cover body 1 and a plurality of air outlet channels 6 arranged on the cylinder cover body 1, when an engine runs to generate a large amount of gas, the gas is discharged through the air outlet channels 6, arc concave surfaces 7 are arranged at the tops of the air outlet channels 6, vent boxes 8 are fixedly connected to the top end of the cylinder cover body 1 at the air outlet channels 6, each vent box 8 comprises a control cavity 9 and channel cavities 10 located on two sides of the control cavity 9, springs 14 are fixedly connected to the inner walls of the top ends of the control cavities 9, hemispheroids 16 matched with the arc concave surfaces 7 are fixedly connected to the bottom ends of the springs 14, when the pressure in the engine is low due to a large amount of gas in the engine, the hemispheroids 16 are in close contact with the arc concave surfaces 7 under the action of the springs 14, dust in the air is blocked and cannot enter the engine through the air outlet channels 6, and pollution is prevented, and gas channels 11 are arranged in the channel cavities 10, gas outlets 12 are arranged at the ends, far away from the control cavity 9, of the gas channels 11, when sufficient gas in the engine, namely the internal pressure of the engine, rises, the hemispheroids 16 move upwards under the pressure of the gas so as to be separated from the arc-shaped concave surfaces 7, and the gas in the engine is discharged through the gas outlet channels 6, the gas channels 11 and the gas outlets 12, so that the internal pressure of the engine is kept stable.

The bottom end of the cylinder cover body 1 is provided with a convex edge 2, a rubber pad 3 is arranged on the inner side wall of the convex edge 2, the convex edge 2 is provided with a plurality of first threaded holes 4, when the cylinder cover body 1 is connected with a cylinder body, the cylinder body is coated by the convex edge 2 on the cylinder cover body 1, the sealing performance of the connection can be improved by the rubber pad 3 on the inner wall of the convex edge 2, the middle part of the cylinder cover body 1 is provided with an oil inlet channel 5, telescopic rods 15 are arranged at two sides of a spring 14 in a control cavity 9, the telescopic rods 15 stretch along with the lifting of a hemispheroid 16, so that the stability of the hemispheroid 16 during lifting is enhanced, two ends of the telescopic rods 15 are respectively fixedly connected with the inner wall of the top end of the control cavity 9 and the top end of the hemispheroid 16, a dust screen 13 is arranged in an air outlet 12, the air outlet 12 is obliquely arranged, and the dust screen 13 is arranged in the air outlet 12, so that dust is further prevented from entering the cylinder body through the air inlet channel 6, all be provided with second screw hole 17 around cylinder cap body 1, can accomplish the connection of cylinder cap body 1 and cylinder body through first screw hole 4 and second screw hole 17.

The working principle is as follows: firstly, the cylinder cover body 1 and the engine are assembled, the engine is clamped in the convex edge 2 on the cylinder cover body 1, then the cylinder cover body 1 and the engine are fixedly connected through the bolt, after the assembly is finished, the oil is injected into the engine through the oil inlet channel 5, and the engine can start to work, when a large pressure is generated inside the cylinder, the hemisphere 16 moves upward under the pressure of the gas to be separated from the arc-shaped concave surface 7, the gas in the engine is discharged through the gas outlet passage 6, the gas flow passage 11, and the gas outlet 12, thereby keeping the pressure inside the cylinder stable, when the engine is in idle rotation, the hemisphere 16 is tightly contacted with the arc concave 7 under the action of the spring 14, thereby keeping the air tightness of the interior of the cylinder body, simultaneously preventing dust in the air from entering the interior of the engine through the air outlet pipeline 6 due to obstruction, and preventing the interior of the cylinder body from being polluted.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a novel engine cylinder lid in fuel return circuit, includes a plurality of air outlet channel (6) that set up on cylinder cap body (1) and cylinder cap body (1), its characterized in that: the cylinder head is characterized in that an arc-shaped concave surface (7) is arranged at the top of the gas outlet channel (6), a ventilation box (8) is fixedly connected to the top end of the cylinder head body (1) at the position of the gas outlet channel (6), the ventilation box (8) comprises a control cavity (9) and channel cavities (10) located on two sides of the control cavity (9), springs (14) are fixedly connected to the inner wall of the top end of the control cavity (9), hemispheres (16) matched with the arc-shaped concave surfaces (7) are fixedly connected to the bottom ends of the springs (14), gas flow channels (11) are arranged in the channel cavities (10), and gas outlets (12) are arranged at one ends, away from the control cavity (9), of the gas flow channels (11).

2. The engine cylinder head of the novel fuel circuit as claimed in claim 1, characterized in that: the cylinder cover is characterized in that a convex edge (2) is arranged at the bottom end of the cylinder cover body (1), and a rubber pad (3) is arranged on the inner side wall of the convex edge (2).

3. The engine cylinder head of the novel fuel circuit as claimed in claim 2, characterized in that: the rib (2) is provided with a plurality of first threaded holes (4).

4. The engine cylinder head of the novel fuel circuit as claimed in claim 1, characterized in that: the middle part of the cylinder cover body (1) is provided with an oil inlet channel (5).

5. The engine cylinder head of the novel fuel circuit as claimed in claim 1, characterized in that: the telescopic rod (15) is arranged on two sides of the spring (14) in the control cavity (9), and two ends of the telescopic rod (15) are fixedly connected to the inner wall of the top end of the control cavity (9) and the top end of the hemispheroid (16) respectively.

6. The engine cylinder head of the novel fuel circuit as claimed in claim 1, characterized in that: and a dust screen (13) is arranged in the air outlet (12), and the air outlet (12) is obliquely arranged.

7. The engine cylinder head of the novel fuel circuit as claimed in claim 1, characterized in that: and second threaded holes (17) are formed in the periphery of the cylinder cover body (1).