An engine cylinder head assembly

Abstract

The utility model discloses an engine cylinder cover assembly, including cylinder cover work piece, be provided with cylinder cover cover body above cylinder cover work piece. The utility model discloses setting up glue liquid guide groove, personnel can place aerogel sheet in the inside of glue liquid guide groove, in the cooperation between positioning hole and positioning column, can play the positioning to the aerogel sheet in installation, and glue liquid is directly beaten into the inside of glue liquid guide groove and aerogel sheet, so can play the guiding effect in beating glue, the cooperation of aerogel sheet, rectangular hole and aerogel axle body, the personnel of subsequent person is convenient to take out aerogel sheet directly from the inside of glue liquid guide groove to the personnel solidified gel is convenient to remove from glue liquid guide groove, and through setting up as trapezoidal shape with the appearance of glue liquid guide groove and aerogel sheet, after the solidification of glue liquid, can be in the shape of W between cylinder cover work piece and cylinder cover cover body, further improve the sealing and fastening in the whole connection.

Description

Technical Field

[0001] This utility model relates to the field of cylinder head technology, specifically to an engine cylinder head assembly. Background Technology

[0002] The function of the cylinder head assembly is to seal the cylinder, form a combustion space together with the piston, and withstand the action of high-temperature and high-pressure combustion gases. The cylinder head assembly is a complex box-shaped part with intake and exhaust valve seat holes, valve guide holes, spark plug mounting holes (gasoline engines) or fuel injector mounting holes, and a matching cylinder head cover.

[0003] Currently, after the maintenance of the cylinder head assembly is completed, in order to ensure the seal between the cylinder head and the cylinder head cover, sealant is applied to the top surface of the cylinder head. During the bolt connection between the cylinder head and the cylinder head cover, the sealant can play a sealing and tightening role. However, the sealant is usually applied directly to the surface by personnel without directional guidance, which can easily cause the sealant to deviate. Therefore, we propose an engine cylinder head assembly to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide an engine cylinder head assembly to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an engine cylinder head assembly, including a cylinder head workpiece, a cylinder head cover body disposed above the cylinder head workpiece, adhesive guide grooves being provided on both sides where the cylinder head workpiece and the cylinder head cover body are attached, an aerogel sheet being inserted into the adhesive guide groove, a positioning hole being provided on the aerogel sheet, a positioning post being inserted into the positioning hole, the positioning post being fixedly disposed inside the adhesive guide groove, rectangular holes being provided on the aerogel sheet, the rectangular holes being equally spaced on the outer side of the aerogel sheet, and aerogel shafts being fixedly disposed on the aerogel sheet, the aerogel shafts being disposed in two sets on the aerogel sheet.

[0006] As a further preferred embodiment of this technical solution, the adhesive guiding groove and the aerogel sheet are bonded together, and the aerogel sheet is housed inside the adhesive guiding groove.

[0007] As a further preferred embodiment of this technical solution, three sets of positioning holes and positioning posts are provided, and the three sets of positioning holes and positioning posts are respectively arranged at equal intervals on the adhesive guide groove and the aerogel sheet.

[0008] As a further preferred embodiment of this technical solution, the positioning hole and the positioning post are fitted together, and the top of the positioning post is set to be arc-shaped.

[0009] As a further preferred embodiment of this technical solution, the aerogel sheet and the aerogel shaft are integrally cast, and the top of the aerogel shaft is spherical.

[0010] As a further preferred embodiment of this technical solution, the inner wall of the adhesive guiding groove and the outer side of the aerogel sheet are both set in an arc shape.

[0011] This utility model provides an engine cylinder head assembly, which has the following beneficial effects: This invention features adhesive guiding grooves on both sides of the cylinder head workpiece and the cylinder head cover where they fit together. An aerogel sheet can be placed inside the adhesive guiding groove, and the positioning holes and positioning posts help to position the aerogel sheet during installation. This allows for direct application of adhesive into the adhesive guiding groove and the aerogel sheet. The adhesive guiding groove and aerogel sheet guide the application of adhesive. The interaction between the aerogel sheet, the rectangular holes, and the aerogel shaft facilitates the subsequent removal of the aerogel sheet from the adhesive guiding groove, making it easy to remove the cured adhesive. Furthermore, by designing the adhesive guiding groove and aerogel sheet in a trapezoidal shape, the cured adhesive forms an I-shape between the cylinder head workpiece and the cylinder head cover, further improving the sealing and tightness of the overall connection. Attached Figure Description

[0012] Figure 1 This is a front view schematic diagram of the structure of this utility model; Figure 2 This is a top view schematic diagram of the structure of the cylinder head workpiece of this utility model; Figure 3 This utility model Figure 2 Enlarged structural diagram of A in the middle; Figure 4 This is a schematic diagram of the structure of the aerogel sheet in the separated state of this utility model.

[0013] In the figure: 1. Cylinder head workpiece; 2. Cylinder head cover; 3. Adhesive guide groove; 4. Aerogel sheet; 5. Positioning hole; 6. Positioning post; 7. Rectangular hole; 8. Aerogel shaft. Detailed Implementation

[0014] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0015] This utility model provides a technical solution: such as Figure 1 , Figure 2 , Figure 3 and Figure 4As shown in this embodiment, an engine cylinder head assembly includes adhesive guide grooves 3 on both sides of the cylinder head workpiece 1 and the cylinder head cover 2 that are in contact with each other. An aerogel sheet 4 can be placed inside the adhesive guide groove 3. The positioning hole 5 and positioning post 6 provide positioning for the aerogel sheet 4 during installation. This allows the adhesive to be directly applied into the adhesive guide groove 3 and the aerogel sheet 4, guiding the application of the adhesive. The interaction between the aerogel sheet 4, the rectangular hole 7, and the aerogel shaft 8 facilitates the removal of the aerogel sheet 4 from the adhesive guide groove 3, making it easy to remove the cured adhesive. Furthermore, by designing the adhesive guide groove 3 and the aerogel sheet 4 in a trapezoidal shape, the cured adhesive forms an I-shape between the cylinder head workpiece 1 and the cylinder head cover 2, further improving the sealing and tightness of the overall connection.

[0016] like Figure 2 and Figure 3 As shown, the adhesive guiding groove 3 and the aerogel sheet 4 are bonded together, and the aerogel sheet 4 is housed inside the adhesive guiding groove 3 so that subsequent personnel can completely inject the adhesive into the adhesive guiding groove 3.

[0017] like Figure 2 As shown, three sets of positioning holes 5 and positioning posts 6 are provided. The three sets of positioning holes 5 and positioning posts 6 are equally spaced on the adhesive guide groove 3 and the aerogel sheet 4. By providing three sets of positioning holes 5 and positioning posts 6, the aerogel sheet 4 can be positioned to be installed inside the adhesive guide groove 3.

[0018] like Figure 4 As shown, the positioning hole 5 and the positioning post 6 are fitted together, and the top of the positioning post 6 is set in an arc shape. By setting the top of the positioning post 6 in an arc shape, it is easier for the aerogel sheet 4 to be inserted into the interior of the adhesive guide groove 3.

[0019] like Figure 4 As shown, the aerogel sheet 4 and the aerogel shaft 8 are integrally cast. The top of the aerogel shaft 8 is spherical. By providing the aerogel shaft 8, it is convenient for personnel to remove the aerogel sheet 4 from the inside of the adhesive guide tank 3 for subsequent work.

[0020] like Figure 4 As shown, the inner wall of the adhesive guiding groove 3 and the outer side of the aerogel sheet 4 are both set in an arc shape. By setting them in an arc shape, it helps the adhesive to completely fill the interior of the adhesive guiding groove 3 to a certain extent.

[0021] This utility model provides an engine cylinder head assembly, the specific working principle of which is as follows: In use, this device features adhesive guide grooves 3 on both sides of the cylinder head workpiece 1 and the cylinder head cover 2 that are in contact with each other. An aerogel sheet 4 can be placed inside the adhesive guide groove 3. Through the cooperation between the positioning hole 5 and the positioning post 6, the aerogel sheet 4 can completely adhere to the inner wall of the adhesive guide groove 3. The top of the positioning post 6 is arc-shaped, allowing the positioning hole 5 to fit onto the outer side of the positioning post 6, thus positioning the aerogel sheet 4 during installation. Then, the adhesive can be directly injected into the adhesive guide groove 3 and the aerogel sheet 4, allowing the adhesive to fill the space. Inside the adhesive guide groove 3 and the aerogel sheet 4, the adhesive guide groove 3 and the aerogel sheet 4 can guide the adhesive application process. The cooperation of the aerogel sheet 4, the rectangular hole 7 and the aerogel shaft 8 makes it easy for personnel to directly remove the aerogel sheet 4 from inside the adhesive guide groove 3, thus facilitating the removal of the cured adhesive from the adhesive guide groove 3. Furthermore, by setting the shape of the adhesive guide groove 3 and the aerogel sheet 4 to trapezoidal, after the adhesive has cured, it can be positioned in an I-shape between the cylinder head workpiece 1 and the cylinder head cover 2, further improving the sealing and tightness of the overall connection.

[0022] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An engine cylinder head assembly, characterized in that: The device includes a cylinder head workpiece (1), a cylinder head cover (2) is provided above the cylinder head workpiece (1), and adhesive guide grooves (3) are provided on both sides of the cylinder head workpiece (1) and the cylinder head cover (2) that are attached to each other. An aerogel sheet (4) is inserted inside the adhesive guide groove (3). A positioning hole (5) is provided on the aerogel sheet (4). A positioning post (6) is inserted inside the positioning hole (5). The positioning post (6) is fixedly set inside the adhesive guide groove (3). A rectangular hole (7) is provided on the aerogel sheet (4). The rectangular holes (7) are equally spaced on the outer side of the aerogel sheet (4). An aerogel shaft (8) is fixedly set on the aerogel sheet (4). The aerogel shaft (8) is set in two groups on the aerogel sheet (4).

2. The engine cylinder head assembly according to claim 1, characterized in that: The adhesive guide groove (3) and the aerogel sheet (4) are attached to each other, and the aerogel sheet (4) is housed inside the adhesive guide groove (3).

3. An engine cylinder head assembly according to claim 1, characterized in that: The positioning holes (5) and positioning posts (6) are provided in three sets, and the three sets of positioning holes (5) and positioning posts (6) are respectively arranged at equal intervals on the adhesive guide groove (3) and the aerogel sheet (4).

4. An engine cylinder head assembly according to claim 1, characterized in that: The positioning hole (5) and the positioning post (6) are fitted together, and the top of the positioning post (6) is set to be arc-shaped.

5. An engine cylinder head assembly according to claim 1, characterized in that: The aerogel sheet (4) and the aerogel shaft (8) are integrally cast, and the top of the aerogel shaft (8) is spherical.

6. An engine cylinder head assembly according to claim 1, characterized in that: The inner wall of the adhesive guide groove (3) and the outer side of the aerogel sheet (4) are both set in an arc shape.

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