CN216788560U - Cylinder cover cap device for medium-speed diesel engine - Google Patents
Cylinder cover cap device for medium-speed diesel engine Download PDFInfo
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- CN216788560U CN216788560U CN202220183853.3U CN202220183853U CN216788560U CN 216788560 U CN216788560 U CN 216788560U CN 202220183853 U CN202220183853 U CN 202220183853U CN 216788560 U CN216788560 U CN 216788560U
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- diesel engine
- cover
- speed diesel
- cylinder head
- sealing ring
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Abstract
The utility model relates to the technical field of cylinder cover devices, in particular to a cylinder cover device for a medium-speed diesel engine, which comprises a cover body, wherein the top of the cover body is not provided with a through hole, the lower part of the cover body is provided with a sealing ring, the cover body is provided with four stud holes, and each stud hole is provided with a cover boss. Through making the lid top not communicate with the external world, the problem of hand wheel department oil leak can not appear. Through set up the shroud boss on the stud hole, can inject the compression volume to the sealing washer, avoid to lead to the sealing washer to damage to take place the oil leak to the sealing washer transition compression.
Description
Technical Field
The utility model relates to the technical field of cylinder cover devices, in particular to a cylinder cover device for a medium-speed diesel engine.
Background
In the daily maintenance process of the diesel engine, the valve clearance needs to be frequently adjusted. In the daily maintenance process of the diesel engine, frequent disassembly and assembly lead to cold work hardening of the sealing gasket, so that the hardness of the copper sealing gasket is increased, and the sealing effect is reduced.
The cylinder cover cap tightly presses a cylinder cover cap gasket (a rectangular rubber sealing ring) on the upper plane of the cylinder cover through a tightening force applied to one part of the hand wheel assembly. In order to ensure that the joint of the cylinder cover cap and the upper surface of the cylinder cover has good sealing effect, a large tightening force is often applied to the hand wheel assembly.
After a diesel engine runs for a long time, due to the influence of various factors such as structure, vibration, frequent disassembly and assembly and the like, the problem of oil leakage often occurs at the joint surface of the copper sealing gasket and the hand wheel, the joint surface of the copper sealing gasket and the cylinder cover and the joint position of a cylinder cover gasket (rectangular rubber sealing ring) and the upper surface of the cylinder cover. Cylinder head cover lubrication oil leakage has always been the most significant quality problem that plagues cylinder head assembly segments.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a cylinder cover device for a medium-speed diesel engine, which solves the problem that in the prior art, oil leakage can occur at the joint of a copper sealing gasket and a hand wheel, the joint of the copper sealing gasket and the cylinder cover and the joint of a cylinder cover gasket (a rectangular rubber sealing ring) and the upper surface of a cylinder cover.
The utility model discloses a cylinder cover device for a medium-speed diesel engine, which comprises a cover body, wherein the top of the cover body is not provided with a through hole, the lower part of the cover body is provided with a sealing ring, the cover body is provided with four stud holes, and each stud hole is provided with a cover boss.
The working principle is as follows: through making the lid top not communicate with the external world, the problem of hand wheel department oil leak can not appear. Through set up the shroud boss on the stud hole, can inject the compression volume to the sealing washer, avoid to lead to the sealing washer to damage to take place the oil leak to the sealing washer transition compression.
Further, the shape of the cover boss is matched with that of the sealing ring.
Further, the cover lug boss is a semicircular ring.
Through setting up the shroud boss for the ring shape, the sealing washer can be put into the shroud boss, is difficult for taking the emergence displacement when getting, guarantees the normal use of lid.
Further, the thickness of sealing washer is 10 mm.
Further, when the sealing ring compression device is used, the cover lug boss limits the thickness of the compressed sealing ring to be 0.5-0.7 mm.
Further, when the sealing ring compression device is used, the cover lug boss limits the thickness of the compressed sealing ring to be 0.6 mm.
Further, be provided with on the lid be convenient for the dismouting the promotion piece of lid to promote the piece not with the inside intercommunication of lid.
The cylinder head shroud stops after the diesel engine runs for a long time, the surface temperature of the cylinder head shroud exceeds 70 ℃, personnel scalding is possibly caused, and the lifting piece is arranged, so that the cover body can be conveniently disassembled and assembled, and the partial effect of a hand wheel in the prior art is replaced.
Furthermore, a concave arc is arranged on the lifting piece.
Through setting up the concave arc, make promotion shape and hand laminate more, be convenient for to the dismouting of housing.
Further, the lifting piece is positioned at the top of the cover body.
Furthermore, a compression nut is arranged in the stud hole, and a check ring and a limit groove matched with the check ring are arranged at the end part of the compression nut.
Through setting up retaining ring and spacing slot, place dropping and losing at cylinder head shroud dismouting in-process gland nut.
Compared with the prior art, the utility model has the beneficial effects that:
1. the top of the cover body is not communicated with the outside, so that the problem of oil leakage at the hand wheel is solved;
2. the cover lug boss is arranged on the stud hole, so that the compression amount of the sealing ring can be limited, and the sealing ring is prevented from being damaged and leaking oil due to transitional compression of the sealing ring;
3. the cover lug boss is arranged to be annular, so that the sealing ring can be placed in the cover lug boss, displacement is not easy to occur during taking and placing, and normal use of the cover body is ensured;
4. the cylinder cover cap stops after the diesel engine runs for a long time, the surface temperature of the cylinder cover cap exceeds 70 ℃, personnel can be scalded, and the lifting piece is arranged, so that the cover body is convenient to disassemble and assemble, and the partial effect of a hand wheel in the prior art is replaced;
5. by arranging the concave arc, the shape of the lifting piece is more fit with the hand, and the cover is convenient to disassemble and assemble;
6. through setting up the retaining ring, place dropping and losing of gland nut at cylinder head shroud dismouting in-process.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic cross-sectional view of the cover assembly of the present invention;
FIG. 2 is a perspective view of the covering device of the present invention;
FIG. 3 is an enlarged view of part A of the cover device of the present invention;
fig. 4 is a schematic view of a prior art cover structure.
In the above drawings, each symbol has the following meaning: the method comprises the following steps of 1-cover body, 2-sealing ring, 3-stud hole, 4-cover boss, 5-lifting piece, 6-concave arc, 7-compression nut, 8-check ring and 9-limiting groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention.
Example 1
The cylinder cover device for the medium-speed diesel engine is structurally shown in figures 1-3 and comprises a cover body 1, wherein a through hole is not formed in the top of the cover body 1, a sealing ring 2 is arranged on the lower portion of the cover body 1, four stud holes 3 are formed in the cover body 1, and a cover boss 4 is arranged on each stud hole 3.
The working principle is as follows: through making 1 tops of lid not communicate with the external world, the problem of hand wheel department oil leak can not appear. Through set up shroud boss 4 on stud hole 3, can inject the decrement to sealing washer 2, avoid leading to sealing washer 2 to damage to take place the oil leak to sealing washer 2 transitional compression.
Example 2
In this embodiment, as a preferred embodiment of the present invention, the specific structure is shown in fig. 1-3, which discloses the following improvement on embodiment 1, wherein the cover boss 4 is a semicircular ring, and the thickness of the cover boss 4 after the compression of the sealing ring 2 is limited to 0.6mm in use.
Through setting up shroud boss 4 for the ring shape, sealing washer 2 can be put into shroud boss 4, is difficult for taking place the displacement when getting and puts, guarantees the normal use of lid 1.
Example 3
In this embodiment, as a preferred embodiment of the present invention, specific structures are shown in fig. 1-3, which disclose improvements based on embodiment 2, a lifting member 5 is disposed on the cover body 1 for facilitating detachment and installation of the cover body 1, the lifting member 5 is not communicated with the inside of the cover body 1, a concave arc 6 is disposed on the lifting member 5, the lifting member 5 is located at the top of the cover body 1, a gland nut 7 is disposed in the stud hole 3, and a retainer ring 8 and a limit groove 9 engaged with the retainer ring 8 are disposed at an end of the gland nut 7.
The cylinder cover cap stops after the diesel engine runs for a long time, the surface temperature of the cylinder cover cap exceeds 70 ℃, personnel can be scalded, and the lifting piece 5 is arranged, so that the cover body 1 can be conveniently disassembled and assembled, and the partial effect of a hand wheel in the prior art is replaced.
Through setting up concave arc 6, make 5 shapes of promotion piece and hand more laminate, be convenient for to the dismouting of housing.
Through setting up retaining ring 8 and spacing slot 9, place dropping and losing of gland nut 7 at cylinder head shroud dismouting in-process.
The above detailed description should not be construed as limiting the scope of the present embodiments, which should be defined in the claims, and the description should be used for interpreting the claims.
Claims (10)
1. The utility model provides a cylinder head shroud device for medium speed diesel engine, includes lid (1), its characterized in that: the improved screw cap is characterized in that a through hole is not formed in the top of the cap body (1), a sealing ring (2) is arranged on the lower portion of the cap body (1), four screw post holes (3) are formed in the cap body (1), and a cover boss (4) is arranged on each screw post hole (3).
2. The cylinder head cover device for the medium speed diesel engine according to claim 1, wherein: the shape of the cover boss (4) is adapted to the shape of the sealing ring (2).
3. The cylinder head cover device for the medium speed diesel engine according to claim 2, wherein: the cover boss (4) is a semicircular ring.
4. The cylinder head cover device for the medium speed diesel engine according to claim 1, wherein: the thickness of the sealing ring (2) is 10 mm.
5. The cylinder head cover device for the medium speed diesel engine according to claim 4, wherein: when the sealing ring is used, the cover boss (4) limits the thickness of the compressed sealing ring (2) to be 0.5-0.7 mm.
6. The cylinder head cover device for the medium speed diesel engine according to claim 5, wherein: when the sealing ring is used, the cover boss (4) limits the thickness of the compressed sealing ring (2) to be 0.6 mm.
7. The cylinder head cover device for the medium speed diesel engine according to claim 1, wherein: the cover body (1) is provided with a lifting piece (5) which is convenient for dismounting the cover body (1), and the lifting piece (5) is not communicated with the inside of the cover body (1).
8. The cylinder head cover device for the medium speed diesel engine according to claim 7, wherein: the lifting piece (5) is provided with a concave arc (6).
9. The cylinder head cover device for the medium speed diesel engine according to claim 7, wherein: the lifting piece (5) is positioned at the top of the cover body (1).
10. The cylinder head cover device for the medium speed diesel engine according to claim 1, wherein: a compression nut (7) is arranged in the stud hole (3), and a check ring (8) and a limit groove (9) matched with the check ring (8) are arranged at the end part of the compression nut (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220183853.3U CN216788560U (en) | 2022-01-24 | 2022-01-24 | Cylinder cover cap device for medium-speed diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220183853.3U CN216788560U (en) | 2022-01-24 | 2022-01-24 | Cylinder cover cap device for medium-speed diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216788560U true CN216788560U (en) | 2022-06-21 |
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ID=82014910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220183853.3U Active CN216788560U (en) | 2022-01-24 | 2022-01-24 | Cylinder cover cap device for medium-speed diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216788560U (en) |
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2022
- 2022-01-24 CN CN202220183853.3U patent/CN216788560U/en active Active
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