CN217632703U - High-power diesel engine binary cylinder head cover - Google Patents
High-power diesel engine binary cylinder head cover Download PDFInfo
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- CN217632703U CN217632703U CN202221484370.3U CN202221484370U CN217632703U CN 217632703 U CN217632703 U CN 217632703U CN 202221484370 U CN202221484370 U CN 202221484370U CN 217632703 U CN217632703 U CN 217632703U
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Abstract
The utility model discloses a high-power diesel engine binary cylinder head cover belongs to internal-combustion engine technical field, when having solved current cylinder head cover and having dismantled the maintenance, causes the problem of wearing and tearing to the oil inlet of sprayer. This cylinder head cover includes the cylinder head cover body, the cylinder head cover body include first installation body and second installation body, first installation body and second installation body between can dismantle through a plurality of construction bolts and be connected, the upper end junction of first installation body and second installation body be equipped with the mount pad that is used for installing the sprayer, the mount pad on seted up the mounting hole, circular annular has been seted up on the inner wall of mount pad, circular annular in be equipped with the circular seal circle that is used for sealed sprayer. The utility model discloses a high-power diesel engine binary cylinder head cover adopts binary formula structure, need not to dismantle high pressure and advances oil pipe way, can inspect the cylinder block, reduces equipment and breaks down, has convenient to use, characteristics that the practicality is strong.
Description
Technical Field
The utility model relates to an internal-combustion engine technical field especially relates to a high-power diesel engine binary cylinder head cover.
Background
At present, a cylinder head cover of a high-power high-pressure common rail diesel engine is generally of an integral structure, a common rail oil injector with oil fed from the top end needs to penetrate through the top of the cylinder head cover, and because the size of an oil injector body is large and an oil inlet pipeline at the top occupies a large space, a common rail oil injector is usually firstly assembled and then an integral cylinder head cover is assembled during assembly, and finally a high-pressure diesel oil inlet pipeline is installed at the top end of the oil injector; when the cylinder head cover needs to be disassembled for maintenance, the cylinder head cover can be taken away after the high-pressure oil pipe and the transition sealing cover plate are disassembled. Particularly, when the valve clearance is checked or adjusted, and mechanisms or parts such as a valve, a spring, a rocker arm, an oil injector and the like are observed, a cylinder head cover is inevitably and frequently disassembled, a high-pressure oil inlet pipeline on the top of a common rail oil injector is disassembled once each time the cylinder head cover is disassembled, an oil inlet of the common rail oil injector and a pipe orifice of the high-pressure oil inlet pipeline are usually manufactured and processed by high-precision equipment, the requirements on surface finish, shape and size precision control are high, the oil inlet of the oil injector and the pipe orifice of the oil pipe are worn prematurely due to frequent disassembly and assembly, foreign matters such as particles and dust are easily adhered or enter a precision matching part of the oil injector during the disassembly and assembly process, so that the oil injector is abnormally clamped and even cannot be used completely, and equipment faults are easily caused.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is not enough to the above-mentioned of prior art, provide a high-power diesel engine binary cylinder head cover, adopt binary formula structure, need not to dismantle high pressure oil inlet pipe way, can inspect the cylinder block, reduce equipment and break down, have convenient to use, characteristics that the practicality is strong.
The utility model adopts the technical proposal that: the utility model provides a high-power diesel engine binary cylinder head cover, includes the cylinder head cover body, the cylinder head cover body include first installation body and second installation body, first installation body and second installation body between can dismantle through a plurality of construction bolts and be connected, the upper end junction of first installation body and second installation body be equipped with the mount pad that is used for installing the sprayer, the mount pad on seted up the mounting hole, circular annular has been seted up on the inner wall of mount pad, circular annular in be equipped with the circular seal circle that is used for sealed sprayer, the first sealing surface of first installation body on be equipped with the rectangle annular, the rectangle annular in be equipped with the first sealing washer that is used for sealed first installation body and second installation body junction, rectangle annular and circular annular intercommunication.
As a further improvement, the mounting seat comprises a first boss and a second boss, both of which are in a semicircular structure, the first boss and the second boss are symmetrically arranged and form a circular ring structure, the first boss is arranged on the first mounting body, and the second boss is arranged on the second mounting body.
Furthermore, the first boss and the first installation body are in an integrated structure, and the second boss and the second installation body are in an integrated structure.
Furthermore, both sides of a first sealing surface of the first mounting body are provided with first connecting flanges, both sides of a second sealing surface of the second mounting body are provided with second connecting flanges, and the mounting bolt penetrates through the second connecting flanges to be in threaded connection with the first connecting flanges.
Furthermore, the first connecting flange and the first installation body are in an integrated structure, and the second connecting flange and the second installation body are in an integrated structure.
Furthermore, a plurality of connecting bosses are arranged on the first connecting flange and the second connecting flange, and the mounting bolts are arranged at the connecting bosses.
Furthermore, a sealing ring groove is formed in the bottom of the cylinder head cover body, and a second sealing ring is arranged in the sealing ring groove.
Furthermore, the circular sealing ring, the first sealing ring and the second sealing ring are of an integrated structure.
Furthermore, the upper end surfaces of the first mounting body and the second mounting body are respectively provided with a connecting hole corresponding to the mounting hole position of the cylinder cover, and a connecting bolt is mounted in the connecting hole.
Advantageous effects
Compared with the prior art, the utility model, have following advantage:
the utility model discloses a high-power diesel engine binary cylinder head cover through adopting binary structure for when disassembling the cylinder head cover body, only need disassemble the construction bolt, can take out first installation body and second installation body respectively, detectable this moment or maintain the valve timing mechanism and need not disassemble the high pressure fuel pipe who is connected with the sprayer body, the oil inlet of effectual protection sprayer does not receive the wearing and tearing that the dismantlement brought, has also avoided entering sprayer such as granule, dust simultaneously, influences its work. Adopt first sealing washer to seal between the first installation body and the second installation body, adopt circular seal ring to seal between mount pad and the sprayer, guarantee cylinder head cover body installation that can be fine is accomplished the back, has good leakproofness, has convenient to use, characteristics that the practicality is strong.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
FIG. 2 is an exploded view of the structure of the present invention;
fig. 3 is a schematic structural view of the connection with the fuel injector of the present invention.
Wherein: 1-cylinder head cover body, 2-mounting seat, 3-mounting bolt, 4-oil injector, 5-circular ring groove, 6-circular sealing ring, 7-rectangular ring groove, 8-second sealing surface, 9-first sealing surface, 10-connecting bolt, 11-first mounting body, 12-second mounting body, 13-first connecting flange, 14-connecting boss, 15-first sealing ring, 16-second sealing ring, 17-sealing ring groove, 18-high pressure oil pipe, 19-second connecting flange, 20-mounting hole, 21-first boss and 22-second boss.
Detailed Description
The invention will be further described with reference to specific embodiments shown in the drawings.
Referring to fig. 1-3, the utility model discloses a high-power diesel engine binary cylinder head cover, including cylinder head cover body 1, cylinder head cover body 1 includes first installation body 11 and second installation body 12, can dismantle through a plurality of construction bolts 3 between first installation body 11 and the second installation body 12 and be connected, the upper end junction of first installation body 11 and second installation body 12 is equipped with mount pad 2, mounting hole 20 has been seted up on mount pad 2, circular annular 5 has been seted up on the inner wall of mount pad 2, be equipped with the circular seal ring 6 that is used for sealed sprayer 4 in the circular annular 5, be equipped with rectangle annular 7 on the first sealed face 9 of first installation body 11, be equipped with the first sealing washer 15 that is used for sealed first installation body 11 and the second installation body 12 junction in the rectangle annular 7, rectangle annular 7 communicates with circular annular 5, through adopting the binary structure of disassembling, make when disassembling cylinder head cover body 1, only need construction bolt 3, can take out first installation body 11 and second installation body 12 respectively, detectable or maintain the distribution mechanism and do not need the high-pressure oil pipe and the sprayer 4 be connected, the effectual dust that is dismantled when dismantling 4 and not influenced by the granule, the protection sprayer, the dust has also brought. Adopt first sealing washer 15 to seal between first installation body 11 and the second installation body 12, adopt circular seal 6 to seal between mount pad 2 and the sprayer 4, guarantee cylinder head cover body 1 that can be fine installs the back of accomplishing, has good leakproofness.
Specifically, the mounting seat 2 includes a first boss 21 and a second boss 22, both the first boss 21 and the second boss 22 are of a semicircular structure, the first boss 21 and the second boss 22 are symmetrically arranged and form a circular ring structure, the first boss 21 is arranged on the first mounting body 11, the second boss 22 is arranged on the second mounting body 12, the fuel injector 4 penetrates through the mounting hole 20 of the mounting seat 2, and the mounting seat 2 supports the fuel injector 4.
Preferably, the first boss 21 and the first installation body 11 are integrally formed, and the second boss 22 and the second installation body 12 are integrally formed, so that the production and the manufacture are convenient.
Further, the first sealed face 9 both sides of the first installation body 11 all are equipped with first connecting flange 13, the sealed face 8 both sides of the second installation body 12 all are equipped with second connecting flange 19, mounting bolt 3 passes second connecting flange 19 and first connecting flange 13 threaded connection, link together first installation body 11 and second installation body 12 through mounting bolt 3, adopt first connecting flange 13, second connecting flange 19 connects, the installation of the mounting bolt 3 of being convenient for, also be convenient for simultaneously offer of rectangular ring groove 7.
Furthermore, the first connecting flange 13 and the first installation body 11 are integrated, and the second connecting flange 19 and the second installation body 12 are integrated, so that the production and the manufacturing are convenient, the stress generated by later-stage connection is reduced, and the stress concentration at the joint is prevented from generating cracks.
Further, a plurality of connecting bosses 14 are arranged on the first connecting flange 13 and the second connecting flange 19, and the mounting bolts 3 are arranged at the connecting bosses 14, so that the structural strength of the connecting position is enhanced, and the connecting position is prevented from cracking.
Further, a sealing ring groove 17 is formed in the bottom of the cylinder head cover body 1, a second sealing ring 16 is arranged in the sealing ring groove 17, and the second sealing ring 16 is used for sealing the joint after the cylinder head cover body 1 is installed on a cylinder head.
Further, the circular sealing ring 6, the first sealing ring 15 and the second sealing ring 16 are of an integrated structure, so that the disposable installation is facilitated, and meanwhile, the parts can be prevented from being lost due to dispersion.
Furthermore, the upper end surfaces of the first mounting body 11 and the second mounting body 12 are respectively provided with a connecting hole corresponding to the mounting hole position of the cylinder cover, a connecting bolt 10 is mounted in the connecting hole, and the first mounting body 11 and the second mounting body 12 are connected to the cylinder cover through the connecting bolt 10.
When the high-power diesel engine double-body cylinder head cover is used, the first mounting body 11 and the second mounting body 12 are sealed through the first sealing ring 15, the mounting seat 2 and the fuel injector 4 are sealed through the circular sealing ring 6, before installation, the first mounting body 11 and the second mounting body 12 can be connected through the mounting bolt 3, and the connecting body can be formed with the mounting hole 20. When the cylinder cover is assembled, the oil injector 4 is installed in the cylinder cover, the combined body of the first installation body 11 and the second installation body 12 penetrates through the oil injector 4 and then is installed on the cylinder cover, and finally the cylinder cover body 1 is fixedly connected with the cylinder cover through the connecting bolt 10. After the installation is completed, the high-pressure oil pipe 18 is installed. When the cylinder head cover needs to be disassembled, the connecting bolt 10 and the mounting bolt 3 can be disassembled first, and then the first mounting body 11 and the second mounting body 12 are taken out, so that the valve train can be detected or maintained without disassembling the high-pressure oil pipe 18 connected with the oil injector 4. When the cylinder head cover is installed again, the first installation body 11 or the second installation body 12 can be installed again, the combination body of the circular sealing ring 6, the first sealing ring 15 and the second sealing ring 16 is placed, the first installation body 11 and the second installation body 12 are connected into a whole through the installation bolts 3, and finally the cylinder head cover body 1 and the cylinder head are connected through the connection bolts 10, so that the installation is completed. The utility model discloses a high-power diesel engine binary cylinder head cover adopts binary structure, can realize detecting or maintaining the valve train and need not disassemble the high pressure fuel pipe 18 that is connected with sprayer 4, the oil inlet of effectual protection sprayer 4 does not receive the wearing and tearing that the dismantlement brought, then seals through the combination of circular seal 6, first sealing washer 15 and second sealing washer 16, guarantee cylinder head cover body 1 installation completion back, has good leakproofness, has convenient to use, characteristics that the practicality is strong.
The above is only the preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility model and the utility of the patent.
Claims (9)
1. The utility model provides a high-power diesel engine binary cylinder head cover, includes cylinder head cover body (1), its characterized in that, cylinder head cover body (1) including first installation body (11) and second installation body (12), first installation body (11) and second installation body (12) between can dismantle through a plurality of construction bolts (3) and be connected, the upper end junction of first installation body (11) and second installation body (12) be equipped with mount pad (2), mount pad (2) on seted up mounting hole (20), circular annular (5) have been seted up on the inner wall of mount pad (2), circular annular (5) in be equipped with circular sealing washer (6) that are used for sealed sprayer (4), first sealing face (9) of first installation body (11) on be equipped with rectangle annular (7), rectangle annular (7) in be equipped with first sealing washer (15) that are used for sealed first installation body (11) and second installation body (12) junction, rectangle annular (7) and circular annular (5) intercommunication.
2. The double-body cylinder head cover of the high-power diesel engine as claimed in claim 1, characterized in that the mounting seat (2) comprises a first boss (21) and a second boss (22), the first boss (21) and the second boss (22) are both in a semicircular structure, the first boss (21) and the second boss (22) are symmetrically arranged and form a circular ring structure, the first boss (21) is arranged on the first mounting body (11), and the second boss (22) is arranged on the second mounting body (12).
3. The double-body cylinder head cover of the high-power diesel engine as claimed in claim 2, characterized in that the first boss (21) and the first mounting body (11) are integrally formed, and the second boss (22) and the second mounting body (12) are integrally formed.
4. The high-power diesel engine double-body cylinder head cover is characterized in that a first connecting flange (13) is arranged on each side of a first sealing surface (9) of the first mounting body (11), a second connecting flange (19) is arranged on each side of a second sealing surface (8) of the second mounting body (12), and the mounting bolts (3) penetrate through the second connecting flanges (19) to be in threaded connection with the first connecting flanges (13).
5. The catamaran head cover for a high power diesel engine according to claim 4, wherein the first connecting flange (13) is integrally formed with the first mounting body (11), and the second connecting flange (19) is integrally formed with the second mounting body (12).
6. The catamaran cylinder head cover for the high-power diesel engine according to claim 4, wherein a plurality of connecting bosses (14) are respectively arranged on the first connecting flange (13) and the second connecting flange (19), and the mounting bolts (3) are arranged at the connecting bosses (14).
7. The double-body cylinder head cover of the high-power diesel engine according to claim 1, characterized in that a sealing ring groove (17) is formed at the bottom of the cylinder head cover body (1), and a second sealing ring (16) is arranged in the sealing ring groove (17).
8. The high-power diesel engine double-body cylinder head cover according to claim 7, characterized in that the circular sealing ring (6), the first sealing ring (15) and the second sealing ring (16) are of an integrated structure.
9. The double-body cylinder head cover of the high-power diesel engine according to claim 1, characterized in that the upper end surfaces of the first mounting body (11) and the second mounting body (12) are respectively provided with a connecting hole corresponding to a mounting hole of the cylinder head, and the connecting holes are internally provided with connecting bolts (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221484370.3U CN217632703U (en) | 2022-06-13 | 2022-06-13 | High-power diesel engine binary cylinder head cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221484370.3U CN217632703U (en) | 2022-06-13 | 2022-06-13 | High-power diesel engine binary cylinder head cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217632703U true CN217632703U (en) | 2022-10-21 |
Family
ID=83627804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221484370.3U Active CN217632703U (en) | 2022-06-13 | 2022-06-13 | High-power diesel engine binary cylinder head cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217632703U (en) |
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2022
- 2022-06-13 CN CN202221484370.3U patent/CN217632703U/en active Active
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