Engine cylinder with anti-leak structure

Abstract

The utility model discloses an engine cylinder body with anti -leak structure relates to engine technical field, including middle cylinder subassembly, and the lower extreme of middle cylinder subassembly is provided with cylinder body subassembly, and middle cylinder subassembly includes middle cylinder body, and the outside of middle cylinder body upper end is provided with first sealing groove, and first sealing groove is connected with the lap joint groove on middle cylinder body, and a plurality of cone -shaped posts that are evenly distributed are fixedly installed to first sealing groove inner wall. The utility model discloses through middle cylinder subassembly and sealing ring subassembly can complete with sealing ring body and insert to first sealing groove, every insert hole is set up to cone -shaped post at this time, and the inner end of insert hole lower extreme abuts to the outside of cone -shaped post at this time, and the lower extreme of sealing ring body upper end abuts to lap joint groove at this time, and the operation ring of the operation ring of this time sets up cone -shaped post, and the gap between insert hole and cone -shaped post is convenient for maintenance personnel to carry out the disassembly replacement action to sealing ring body through operation ring or, improves sealing ring body's installation and dismounting efficiency.

Claims

1. An engine block with a leak-proof structure, comprising a cylinder block assembly (1), characterized in that: The lower end of the cylinder assembly (1) is provided with a cylinder body assembly (2). The cylinder assembly (1) includes a cylinder body (11). A first sealing groove (12) is provided on the outer side of the upper end of the cylinder body (11). The first sealing groove (12) is connected to an overlapping groove (13) opened on the cylinder body (11). A plurality of evenly distributed conical columns (14) are fixedly installed on the inner wall of the first sealing groove (12). A sealing ring assembly (3) is provided in the first sealing groove (12).

2. An engine block with a leak-proof structure according to claim 1, characterized in that: The sealing ring assembly (3) includes a sealing ring body (31), the outer wall of the sealing ring body (31) is slidably connected to a first sealing groove (12), the lower end of the sealing ring body (31) abuts against an overlapping groove (13), the upper end of the sealing ring body (31) is provided with a plurality of evenly distributed insertion holes (32), each insertion hole (32) is provided with a corresponding conical column (14), the sealing ring body (31) is slidably connected to the conical column (14), and an operating ring (33) is fixedly installed on the inner wall of each insertion hole (32), the upper end face of the operating ring (33) is on the same plane as the upper end of the cylinder body (11).

3. An engine block having a blow-by gas containment structure according to claim 1, characterized in that: The cylinder assembly (2) includes a cylinder body (21), and a second sealing groove (25) is provided at the lower end of the cylinder body (21). A first sealing ring (26) is slidably connected to the inner wall of the second sealing groove (25).

4. An engine block having a blow-by gas containment structure according to claim 2, characterized in that: The depth of the overlapping groove (13) is less than the depth of the first sealing groove (12), and the conical column (14) is designed with a smaller top and a larger bottom.

5. An engine block having a blow-by gas containment structure according to claim 3, characterized in that: Both sides of the cylinder body (21) are fixedly installed with ear bodies (23), and each ear body (23) has multiple evenly distributed mounting holes (24) on its surface.

6. The engine block with an anti-leak structure according to claim 1, characterized in that: The upper middle part of the cylinder body (11) is provided with a plurality of cylinder barrels (15) evenly distributed. The upper end of the cylinder body (11) is provided with a plurality of cooling channels (16) evenly distributed. Each group of cooling channels (16) is provided with a plurality of cooling channels (16) and the cooling channels (16) are arranged around the cylinder barrels (15).

7. An engine block having a blow-by gas containment structure according to claim 6, characterized in that: The cylinder assembly (2) has a plurality of uniformly distributed through holes (22) on its surface, and each through hole (22) corresponds to the cylinder (15).

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