CN212744168U - Fiber reinforced thermoplastic cylinder head cover assembly for engine - Google Patents
Fiber reinforced thermoplastic cylinder head cover assembly for engine Download PDFInfo
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- CN212744168U CN212744168U CN202021571078.6U CN202021571078U CN212744168U CN 212744168 U CN212744168 U CN 212744168U CN 202021571078 U CN202021571078 U CN 202021571078U CN 212744168 U CN212744168 U CN 212744168U
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- mounting surface
- head cover
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Abstract
The embodiment of the utility model provides a fiber reinforcement thermoplasticity cylinder head cover subassembly for engine, including frame and upper cover; the frame is provided with a first mounting surface, a second mounting surface and a wiring harness hole; the upper cover is provided with a third mounting surface; the first mounting surface is matched and fixedly connected with an engine cylinder head, the second mounting surface is matched and fixedly connected with the third mounting surface, and the wiring harness hole is used for leading out a wiring harness connected to the engine cylinder head. The utility model discloses a frame and the upper cover of fibre reinforcement thermoplasticity cylinder head cover subassembly for engine adopt the preparation of fibre reinforcement thermoplasticity combined material, simple structure, easy shaping, design and low in manufacturing cost, and assembly process is simple, other parts on the host computer factory dismouting cylinder head of being convenient for. The wire harness is led out from the frame instead of being led out through the cylinder cover, so that the structure of the cylinder cover of the engine is simplified, the wire harness is convenient to fix, and further the comprehensive cost is low.
Description
Technical Field
The utility model relates to the technical field of engines, especially, relate to a fibre reinforced thermoplastic cylinder head cover subassembly for engine.
Background
The existing diesel engine cylinder head cover is made of metal materials, and generally adopts one-step punch forming of cast iron or cast aluminum. The cylinder head cover made of metal materials is heavy, and is inconvenient to operate and requires more operators when being installed. The stamping causes warping deformation, poor flatness, more oil leakage faults and poor noise reduction effect, can not meet the noise reduction requirement of the machine types of the national emission III and the emission III, and needs machining after stamping forming, thereby having complex procedures and high comprehensive cost.
Moreover, the sealing between the cylinder head cover and the engine cylinder head is realized by adopting a paper sealing gasket, the sealing effect is poor, and when the cylinder head cover is disassembled, the paper sealing gasket is damaged, is stuck on two sealing surfaces and is difficult to clear, and needs to be manually cleaned, and meanwhile, the paper sealing gasket needs to be replaced, so that the manual work and the resource waste are caused
Therefore, a cylinder head cover which is easy to form, high in strength, low in cost and capable of effectively sealing is lacked in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide an easy shaping, high strength, low cost, simultaneously can effectively sealed fibre reinforcing thermoplasticity cylinder head cover subassembly for the engine to overcome prior art's defect. The specific technical scheme is as follows:
a fiber reinforced thermoplastic cylinder head cover assembly for an engine comprising a frame and an upper cover;
the frame is provided with a first mounting surface, a second mounting surface and a wiring harness hole;
the upper cover is provided with a third mounting surface;
the first mounting surface is matched and fixedly connected with an engine cylinder head, the second mounting surface is matched and fixedly connected with the third mounting surface, and the wiring harness hole is used for leading out a wiring harness connected to the engine cylinder head.
Optionally, the upper cover is specifically a cavity with an opening on one side, and the third mounting surface is located on one side of the opening of the cavity;
the frame is a through body with two open end faces, the first mounting face is located on the first end face, the second mounting face is located on the second end face, and the wiring harness hole is located on the side face of the through body.
Optionally, the first mounting surface is provided with a first sealing groove, and a first rubber gasket is mounted in the first sealing groove;
the second mounting surface is provided with a second sealing groove, and a second rubber sealing gasket is mounted in the second sealing groove.
Optionally, a first through hole is formed in the outer side of the first seal groove, and a first metal insert or a first combination bolt is fixed in the first through hole;
a second through hole is formed in the outer side of the second sealing groove, and a threaded insert is fixed in the second through hole;
and a third through hole is formed in the third mounting surface, and a second metal insert or a second combined bolt is fixed in the third through hole.
Optionally, the first metal insert is embedded in the first through hole, or is fixed in the first through hole through interference fit or adhesion, and the first combination bolt is fixed in the first through hole through interference fit or adhesion;
the threaded insert is embedded in the second through hole or fixed in the second through hole through interference fit or bonding;
the second metal insert is embedded in the third through hole or fixed in the third through hole through interference fit or bonding, and the second combination bolt is fixed in the third through hole through interference fit or bonding.
Optionally, the outer surface of the frame is provided with a first reinforcing rib, and the inner surface of the upper cover is provided with a second reinforcing rib.
Optionally, the frame and the upper cover are respectively integrally formed by injection molding.
Optionally, the number of the first through holes is 18, the number of the second through holes is 18, and the number of the third through holes is 18.
Optionally, the number of the harness holes is at least one.
Optionally, the second reinforcing ribs are arranged as criss-cross reinforcing ribs, and the criss-cross positions are intersected by cylindrical reinforcing ribs;
the first reinforcing ribs are criss-cross reinforcing ribs.
Compared with the prior art, the utility model discloses a frame and the upper cover of fibre reinforcement thermoplasticity cylinder head cover subassembly for engine adopt the preparation of fibre reinforcement thermoplasticity combined material, simple structure, easy shaping, design and low in manufacturing cost, and assembly process is simple, other parts on the host computer factory dismouting cylinder head of being convenient for. The wire harness is led out from the frame instead of being led out through the cylinder cover, so that the structure of the cylinder cover of the engine is simplified, and the wire harness is convenient to fix. The rubber sealing gasket is used for replacing a paper-based sealing gasket, the air tightness between the cylinder cover and the cylinder cover is ensured by the elasticity of rubber, the rubber has good wear resistance, and the disassembled rubber sealing gasket can be recycled. The outer surface of the frame and the inner surface of the upper cover are provided with reinforcing ribs, so that the impact resistance and high strength of the frame and the upper cover are ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a cylinder head cover assembly provided by the present invention;
fig. 2 is a schematic structural view of a bottom view of an upper cover in an embodiment of a cylinder head cover assembly provided by the present invention;
fig. 3 is a schematic structural diagram of a bottom view of a frame in an embodiment of a cylinder head cover assembly provided by the present invention.
Wherein, the corresponding relationship between each component name and the corresponding reference number in fig. 1 to fig. 3 is:
1, a frame, 11 a first mounting surface, 12 a second mounting surface, 13 a wire harness hole, 14 a first sealing groove, 15 a second sealing groove, 16 a first through hole, 17 a second through hole and 18 a first reinforcing rib;
2, an upper cover, 21 a third mounting surface, 22 a third through hole and 23 a second reinforcing rib;
3 a first rubber packing;
4 a second rubber gasket;
5 a first combination bolt;
6 a second combination bolt;
7 a threaded insert.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The terms upper and lower in the present embodiment are defined with reference to the position of the cylinder head cover embodiment shown in fig. 1. The "first" of the "first mounting surface", the "second" of the "second mounting surface", and the "third" of the "third mounting surface" in the present embodiment are merely used to distinguish the surfaces in terms of nomenclature, and do not have any limiting meaning. The terms "first" in the "first through-hole", "second" in the "second through-hole", and "third" in the "third through-hole" in the present embodiment are used merely to distinguish the holes by name, and do not have any limiting meaning. The "first" of the "first rubber packing" and the "second" of the "second rubber packing" in the present embodiment are merely used to distinguish the two types of rubber packing by name, and do not have any limiting meaning. The "first" of the "first seal grooves" and the "second" of the "second seal grooves" in the present embodiment are merely used to distinguish the two types of grooves in nomenclature, and do not have any limiting meaning. The "first" of the "first assembling bolts" and the "second" of the "second assembling bolts" in the present embodiment are merely used to distinguish the two kinds of assembling bolts in terms of nomenclature, and do not have any limiting meaning.
Please refer to fig. 1, fig. 2 and fig. 3, in which fig. 1 is a schematic structural diagram of an embodiment of a cylinder head cover assembly provided by the present invention, fig. 2 is a schematic structural diagram of a bottom view of an upper cover in an embodiment of a cylinder head cover assembly provided by the present invention, and fig. 3 is a schematic structural diagram of a bottom view of a frame in an embodiment of a cylinder head cover assembly provided by the present invention. As shown in fig. 1, 2 and 3, the present embodiment provides a fiber reinforced thermoplastic cylinder head cover assembly for an engine, including a frame 1 and an upper cover 2;
wherein, the frame 1 is provided with a first mounting surface 11, a second mounting surface 12 and a wire harness hole 13; the upper cover 2 is provided with a third mounting surface 21;
the first mounting surface 11 is matched and fixedly connected with an engine cylinder head, the second mounting surface 12 is matched and fixedly connected with the third mounting surface 21, and the wire harness hole 13 is used for leading out a wire harness connected to the engine cylinder head.
It should be noted that the first mounting surface 11 is a sealing surface at the lower end of the frame 1, the second mounting surface 12 is a sealing surface at the upper end of the frame 1, and the third mounting surface 21 is a sealing surface at the lower end of the upper cover 2.
In practical application, the frame 1 and the cylinder head are connected through the first mounting surface 11, then the wiring harness on the cylinder head is connected, the wiring harness is led out through the wiring harness hole 13 after the wiring harness is connected, and finally the frame 1 and the upper cover 2 are connected through the third mounting surface 21 and the second mounting surface 12. After the engine operation a period, when needs overhaul the cylinder head, only need with upper cover 2 dismantlements, to problematic pencil overhaul can, with the cylinder head cover whole dismantlement among the prior art, and overhaul all pencil and compare, this embodiment scheme significantly reduced overhaul and the dismantlement time, and then reduced the comprehensive cost.
The utility model discloses fibre reinforcement thermoplasticity cylinder head cover subassembly for engine comprises frame 1 and upper cover 2, and frame 1 and upper cover 2 structure all simple, easy shaping and assembling process are simple, and other parts on the dismouting cylinder head of the host computer factory of being convenient for are drawn forth the pencil from frame 1, and need not draw forth through the cylinder head, have simplified the structure of engine cylinder head, make things convenient for the fixed of pencil. Thereby enabling low cost design, manufacture and labor of the fiber reinforced thermoplastic cylinder head cover assembly for the engine.
Specifically, in order to facilitate the leading-out of the wiring harness, the frame 1 is specifically a through body with two open end faces, the first mounting surface 11 is located on the first end face, the second mounting surface 12 is located on the second end face, and the wiring harness hole 13 is located on the side face of the through body; the upper cover 2 is a cavity with an opening on one side, and the third mounting surface 21 is located on the opening side of the cavity.
It should be noted that, as shown in fig. 1, the first end face is a plane at the lower end of the frame 1, and the second end face is a plane at the upper end of the frame 1.
Optionally, the number of the harness holes 13 is at least one.
In order to further improve the strength of the fiber reinforced thermoplastic cylinder head cover assembly for an engine and to reduce stress concentration, the outer surface of the frame 1 is provided with first reinforcing ribs 18 and the inner surface of the upper cover 2 is provided with second reinforcing ribs 23.
Specifically, the second reinforcing ribs 23 are arranged as criss-cross reinforcing ribs to increase strength, and the staggered positions are intersected by cylindrical reinforcing ribs to reduce stress concentration; the first ribs 18 are arranged as criss-cross ribs for increased strength.
More specifically, the distance between two adjacent second reinforcing ribs 23 is 30-80mm, the thickness of the second reinforcing ribs 23 is 2mm, the height of the second reinforcing ribs 23 is 5-10mm, and the radius of the cylindrical reinforcing ribs is 4-6 mm. The distance between two adjacent first reinforcing ribs 18 is 10-30mm, the thickness of the first reinforcing ribs 18 is 2mm, and the height of the first reinforcing ribs 18 is 5-10 mm.
Further, in order to ensure the sealing performance of the cylinder head cover, the first mounting surface 11 is provided with a first sealing groove 14, and the first sealing groove 14 is internally provided with the first rubber gasket 3; the second mounting surface 12 has a second seal groove 15, and the second rubber packing 4 is mounted in the second seal groove 15. The width of the first sealing groove 14 is matched with the width of the first rubber sealing gasket 3, the width of the second sealing groove 15 is matched with the width of the second rubber sealing gasket 4, the air tightness of the frame 1 and the cylinder cover and the air tightness of the frame 1 and the upper cover 2 are guaranteed by the elasticity of rubber, the rubber has good wear resistance, and the rubber sealing gaskets can be recycled after the cylinder cover is detached.
Optionally, in order to improve the overall installation strength of the cylinder head cover assembly, a first through hole 16 is formed in the outer side of the first seal groove 14, a first metal insert or a first combination bolt 5 is fixed in the first through hole 16, a second through hole 17 is formed in the outer side of the second seal groove 15, and a threaded insert 7 is fixed in the second through hole 17; the third mounting surface 21 is provided with a third through hole 22, and a second metal insert or a second combination bolt 6 is fixed in the third through hole 22. A bolt is fixed in the first metal insert and is fixed in the first through hole 16 through interference fit or bonding; and a bolt is fixed in the second metal insert and is fixed in the third through hole 22 through interference fit or bonding. The frame 1 is connected to the cylinder head by a first assembling bolt 5 and to the upper cover 2 by a second assembling bolt 6.
Specifically, in order to stably fix the first metal insert in the first through hole 16, the first metal insert is embedded in the first through hole 16, or fixed in the first through hole 16 by interference fit or adhesion. For example, the first metal insert can be molded directly onto the frame 1 during injection molding.
Alternatively, the first assembling bolt 5 may be fixed in the first through hole 16, and the first assembling bolt 5 may be fixed in the first through hole 16 by interference fit or adhesion. Alternatively, the first assembling bolt 5 may be fixed in the first through hole 16 by a limiting structure, for example, the limiting structure may be arranged in the first through hole 16, or a limiting structure may be arranged on a sleeve of the first assembling bolt 5, so as to fix the first assembling bolt 5 in the first through hole 16; more specifically, the first combining bolt 5 may be a bolt and metal insert combination fixed as one body.
In order to stably fix the threaded insert 7 in the second through hole 17, the threaded insert 7 is embedded in the second through hole 17, or is fixed in the second through hole 17 by interference fit or adhesion; for example, the threaded insert 7 can be molded directly onto the frame 1 during injection molding.
In order to stably fix the second metal insert or the second assembling bolt 6 in the third through hole 22, the second metal insert is embedded in the third through hole 22, or is fixed in the third through hole 22 by interference fit or adhesion. For example, the second metal insert can be molded directly onto the upper cover 2 during injection molding.
Or, the second assembling bolt 6 may be fixed in the third through hole 22, and the second assembling bolt 6 is fixed in the third through hole 22 by interference fit or adhesion. Or, the second assembling bolt 6 may be fixed in the third through hole 22 through a limiting structure, for example, the limiting structure may be disposed in the third through hole 22, or a limiting structure may be disposed on a sleeve of the second assembling bolt 6, so as to fix the second assembling bolt 6 in the third through hole 22; more specifically, the second assembling bolt 6 may be a bolt and metal insert assembly fixed as one body.
Specifically, the frame 1 and the upper cover 2 in the present embodiment are respectively injection-molded and integrally formed, and have a simple structure and low design and manufacturing costs.
Alternatively, the frame 1 and the upper cover 2 of the cylinder head cover of the present embodiment are each obtained by injection molding. During injection molding, the first through hole 16 is formed in the first mounting surface 11, the first metal insert in the first through hole 16 can be fixed in a position where the first metal insert is placed in the first through hole 16 of the mold in advance, the first metal insert is directly embedded in the first through hole 16 during injection molding, the first metal insert can also be in interference fit or bonding with the first through hole 16, the frame 1 is in bolt connection with the cylinder cover through the first through hole 16, and the embedded metal insert ensures the connection strength. The second mounting surface 12 is provided with a second through hole 17, the threaded insert 7 in the second through hole 17 can be fixed by placing the threaded insert 7 in the position of the second through hole 17 of the mold in advance, directly embedding the threaded insert in the second through hole 17 during injection molding, or by interference fit or bonding between the threaded insert 7 and the second through hole 17; the third mounting surface 21 is provided with a third through hole 22, and the second metal insert in the third through hole 22 can be fixed by placing the second metal insert in the position of the third through hole 22 of the mold in advance, directly embedded in the third through hole 22 during injection molding, or in interference fit or bonding between the second metal insert and the third through hole 22. The second through hole 17 corresponds to the third through hole 22, the frame 1 and the upper cover 2 are connected through the second through hole 17 and the third through hole 22 through bolts, and the embedded threaded insert 7 and the second metal insert ensure the connection strength and the connection stability.
Alternatively, the frame 1 and the upper cover 2 of the cylinder head cover of the present embodiment are both obtained by injection molding, in which the first through hole 16 is provided on the first mounting surface 11, the second mounting surface 12 is provided with the second through hole 17, the threaded insert 7 is placed in the position of the second through hole 17 of the mold in advance, and is directly embedded in the second through hole 17, and the third mounting surface 21 is provided with the third through hole 22. After the injection molding is finished, the first rubber sealing gasket 3 is assembled in the first installation surface 11, the first combination bolt 5 is adopted, the frame 1 and the cylinder cover are fastened and connected through the first through hole 16 and the first rubber sealing gasket 3, and the first rubber sealing gasket 3 ensures the sealing performance between the frame 1 and the cylinder cover. Then, a second rubber sealing gasket 4 is assembled in the second mounting surface 12, the upper cover 2 and the frame 1 are assembled together through the threaded insert 7 in the second through hole 17, the third through hole 22 and the second rubber sealing gasket 4 by adopting a second combination bolt 6, and the sealing performance between the frame 1 and the upper cover 2 is ensured by the second rubber sealing gasket 4.
Specifically, referring to fig. 1, the number of the first through holes 16 may be 18, the number of the second through holes 17 may be 18, and the number of the third through holes 22 may be 18. 8 first through holes 16 are distributed in the length direction of the first mounting surface 11, the distance between every two adjacent first through holes 16 is the same, and 1 first through hole 16 is distributed in the width direction of the first mounting surface 11. 8 second through holes 17 are distributed in the length direction of the second mounting surface 12 respectively, the distance between every two adjacent second through holes 17 is the same, and 1 second through hole 17 is distributed in the width direction of the second mounting surface 12 respectively. 8 third through holes 22 are distributed in the length direction of the third mounting surface 21, the distance between every two adjacent third through holes 22 is the same, and 1 third through hole 22 is distributed in the width direction of the third mounting surface 21. The second through hole 17 and the third through hole 22 correspond in position.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. A fibre-reinforced thermoplastic cylinder head cover assembly for an engine, comprising a frame (1) and an upper cover (2);
the frame (1) is provided with a first mounting surface (11), a second mounting surface (12) and a wiring harness hole (13);
the upper cover (2) is provided with a third mounting surface (21);
the first mounting surface (11) is matched and fixedly connected with a cylinder head of an engine, the second mounting surface (12) is matched and fixedly connected with the third mounting surface (21), and the wire harness hole (13) is used for leading out a wire harness connected to the cylinder head of the engine.
2. The fiber reinforced thermoplastic cylinder head cover assembly for an engine according to claim 1, characterized in that the upper cover (2) is embodied as a cavity with an opening at one side, the third mounting surface (21) being located at the side of the cavity opening;
the frame (1) is a through body with two open end faces, the first mounting face (11) is located on the first end face, the second mounting face (12) is located on the second end face, and the harness hole (13) is located on the side face of the through body.
3. The fiber reinforced thermoplastic cylinder head cover assembly for an engine according to claim 1, characterized in that the first mounting face (11) has a first sealing groove (14), the first sealing groove (14) having a first rubber gasket (3) mounted therein;
the second mounting surface is provided with a second sealing groove (15), and a second rubber sealing gasket (4) is mounted in the second sealing groove (15).
4. The fiber reinforced thermoplastic cylinder head cover assembly for an engine according to claim 3, wherein a first through hole (16) is formed outside the first seal groove (14), and a first metal insert or a first combination bolt (5) is fixed in the first through hole (16);
a second through hole (17) is formed in the outer side of the second sealing groove (15), and a threaded insert (7) is fixed in the second through hole (17);
and a third through hole (22) is formed in the third mounting surface (21), and a second metal insert or a second combined bolt (6) is fixed in the third through hole (22).
5. The fiber reinforced thermoplastic cylinder head cover assembly for an engine according to claim 4, characterized in that the first metal insert is embedded in the first through hole (16) or fixed in the first through hole (16) by interference fit or bonding, and the first combination bolt (5) is fixed in the first through hole (16) by interference fit or bonding;
the threaded insert (7) is embedded in the second through hole (17) or fixed in the second through hole (17) through interference fit or bonding;
the second metal insert is embedded in the third through hole (22) or fixed in the third through hole (22) through interference fit or bonding, and the second combined bolt (6) is fixed in the third through hole (22) through interference fit or bonding.
6. A fibre-reinforced thermoplastic cylinder head cover assembly for an engine according to claim 5, characterised in that the frame (1) is provided with first stiffening ribs (18) on its outer surface and the upper cover (2) is provided with second stiffening ribs (23) on its inner surface.
7. The fiber reinforced thermoplastic cylinder head cover assembly for an engine according to any one of claims 1-6, characterized in that the frame (1) and the upper cover (2) are each injection molded in one piece.
8. The fiber reinforced thermoplastic cylinder head cover assembly for an engine according to claim 4, characterized in that the first through holes (16) are 18 in number, the second through holes (17) are 18 in number, and the third through holes (22) are 18 in number.
9. The fiber reinforced thermoplastic cylinder head cover assembly for an engine according to claim 8, characterized in that the number of the harness holes (13) is at least one.
10. The fiber reinforced thermoplastic cylinder head cover assembly for an engine according to claim 6, wherein the second beads (23) are provided as criss-cross beads, and the cross positions are met using cylindrical beads;
the first reinforcing ribs (18) are arranged into criss-cross reinforcing ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021571078.6U CN212744168U (en) | 2020-07-31 | 2020-07-31 | Fiber reinforced thermoplastic cylinder head cover assembly for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021571078.6U CN212744168U (en) | 2020-07-31 | 2020-07-31 | Fiber reinforced thermoplastic cylinder head cover assembly for engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212744168U true CN212744168U (en) | 2021-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021571078.6U Active CN212744168U (en) | 2020-07-31 | 2020-07-31 | Fiber reinforced thermoplastic cylinder head cover assembly for engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212744168U (en) |
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2020
- 2020-07-31 CN CN202021571078.6U patent/CN212744168U/en active Active
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Address after: 102101 No.261 Kangxi Road, Badaling Economic Development Zone, Yanqing District, Beijing Patentee after: Beijing Guocai automobile composite material Co.,Ltd. Patentee after: Shandong Sinoma automobile composite material Co.,Ltd. Address before: 102101 No.261 Kangxi Road, Badaling Economic Development Zone, Yanqing District, Beijing Patentee before: BEIJING SINOMA COMPOSITE AUTO PARTS Co.,Ltd. Patentee before: Shandong Sinoma automobile composite material Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |