CN211474281U - Anti-leakage cylinder cover - Google Patents
Anti-leakage cylinder cover Download PDFInfo
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- CN211474281U CN211474281U CN201922303648.7U CN201922303648U CN211474281U CN 211474281 U CN211474281 U CN 211474281U CN 201922303648 U CN201922303648 U CN 201922303648U CN 211474281 U CN211474281 U CN 211474281U
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Abstract
The utility model relates to an anti-leakage cylinder cover, which comprises a cylinder cover body, wherein a first sealing groove and a second sealing groove are arranged outside the end surface of the bottom of the cylinder cover body, a sealing ring mounting groove is arranged at the corner of the bottom of the first sealing groove and the second sealing groove, a sealing ring is arranged in the sealing ring mounting groove, and a positioning sealing plate is also fixed at the bottom of the cylinder cover body; be equipped with on the engine body of cylinder cap body bottom connection with the anastomotic first sealed boss of first sealed recess, still be equipped with the anastomotic second sealed boss of second sealed recess on the engine body, when the cylinder cap body was laminated with the engine body, the inner wall of positioning sealing plate and engine body formed first sealed antiseep mechanism, first sealed recess, first sealed boss and sealing washer formed the sealed antiseep mechanism of second, the sealed recess of second, the sealed boss of second and sealing washer form the sealed antiseep mechanism of third, the leakproofness of being connected of cylinder cap body and engine body has been guaranteed through the sealed antiseep mechanism of three.
Description
Technical Field
The utility model belongs to the technical field of the engine accessories and specifically relates to an antiseep cylinder cap.
Background
The cylinder head is attached to the upper surface of the cylinder block of the engine, and seals the cylinder from the upper portion to form a combustion chamber. It is often in contact with high temperature and pressure combustion gases and is therefore subjected to significant thermal and mechanical loads. The cylinder cover is arranged at the top of the engine to play a role in sealing the burning chamber and the crankshaft cavity, so that the requirement on the sealing performance of the cylinder cover and the engine main body is higher, when the existing cylinder cover is arranged at the top of the engine main body, the existing cylinder cover is mainly arranged and sealed by sealing rings arranged on mutually-jointed planes, but the actual sealing effect is not good enough and needs to be further improved;
in addition, the cylinder cover is mainly fixedly installed at the top of the engine main body through bolts, the number of the fixedly installed bolts is multiple, how to guarantee that the cylinder cover is in the installation and disassembly process, the cylinder cover and the top of the engine are in a perfect fit state, otherwise, the problem that the cylinder cover is deformed at high temperature or cracked can occur, pretightening force can be applied to the local connection position of the cylinder cover after each bolt on the cylinder cover is fastened, how to arrange the installation positions of the bolts and how to fasten the sequence of the bolts is directly related to the service life and the service quality of the cylinder cover, and the existing cylinder cover has no good breakthrough and research on the bolt fixing position and the fixing sequence.
Disclosure of Invention
The utility model aims at providing an antiseep cylinder cap in order to solve the defect that prior art exists.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
an anti-leakage cylinder cover comprises a cylinder cover body, wherein a first sealing groove and a second sealing groove are formed in the outer side of the bottom end face of the cylinder cover body, the cross sections of the first sealing groove and the second sealing groove are L-shaped and extend annularly at the bottom of the cylinder cover body, a sealing ring mounting groove is formed in the corner of the bottom of each of the first sealing groove and the second sealing groove, the extending direction of the sealing ring mounting groove is consistent with the extending direction of the first sealing groove and the second sealing groove, a sealing ring is arranged in the sealing ring mounting groove, and a positioning sealing plate is further fixed at the bottom of the cylinder cover body;
be equipped with on the engine body that cylinder cap body bottom is connected with the anastomotic first sealed boss of first sealed recess, still be equipped with the anastomotic second sealed boss of second sealed recess on the engine body, when cylinder cap body and engine body laminating, the inner wall of positioning seal board and engine body forms first sealed antiseep mechanism, first sealed recess, first sealed boss and sealing washer form the sealed antiseep mechanism of second, the sealed recess of second, the sealed boss of second and sealing washer form the sealed antiseep mechanism of third.
Furthermore, the positioning sealing plate and the cylinder cover body are integrally formed, and the extending directions of the positioning sealing plate, the first sealing groove and the second sealing groove are consistent.
Furthermore, a plurality of threaded holes are formed in the cylinder cover body, the threaded holes penetrate through the bottom of the cylinder cover body from the top of the cylinder cover body, the number of the threaded holes is ten, and the ten threaded holes are respectively a first threaded hole, a second threaded hole, a third threaded hole, a fourth threaded hole, a fifth threaded hole, a sixth threaded hole, a seventh threaded hole, an eighth threaded hole, a ninth threaded hole and a tenth threaded hole;
the first threaded hole, the second threaded hole, the third threaded hole and the fourth threaded hole are respectively positioned at four corners of the cylinder cover body, and the fifth threaded hole, the sixth threaded hole, the seventh threaded hole, the eighth threaded hole, the ninth threaded hole and the tenth threaded hole are positioned at two sides of the middle part of the cylinder cover body;
the first threaded hole and the second threaded hole are arranged diagonally, the third threaded hole and the fourth threaded hole are arranged diagonally, the fifth threaded hole and the seventh threaded hole are symmetrical to each other on two sides of the top of the cylinder cover body, the sixth threaded hole and the eighth threaded hole are symmetrical to each other on two sides of the top of the cylinder cover body, and the ninth threaded hole and the tenth threaded hole are symmetrical to each other on two sides of the top of the cylinder cover body.
Further, the ten threaded holes are internally provided with bolts in a penetrating mode, the end portions of the bolts are connected with the engine main body at the bottom of the cylinder cover body, and the bolts are sequentially installed in the ten threaded holes from the first threaded hole to the tenth threaded hole.
Further, be equipped with a plurality of air distribution ports that communicate with the combustion chamber in the engine main part on the cylinder cap body, still be equipped with bent axle chamber top cap on the cylinder cap body, bent axle chamber top cap is located the top in bent axle chamber in the engine main part.
The utility model has the advantages that: a first sealing groove and a second sealing groove are formed in the outer side of the bottom end face of the cylinder cover body, the sections of the first sealing groove and the second sealing groove are L-shaped and extend annularly at the bottom of the cylinder cover body, sealing ring mounting grooves are formed in the corners of the bottoms of the first sealing groove and the second sealing groove, the extending direction of the sealing ring mounting grooves is consistent with the extending direction of the first sealing groove and the second sealing groove, sealing rings are arranged in the sealing ring mounting grooves, and a positioning sealing plate is fixed at the bottom of the cylinder cover body; the engine body connected with the bottom of the cylinder cover body is provided with a first sealing boss inosculated with the first sealing groove, the engine body is also provided with a second sealing boss inosculated with the second sealing groove, when the cylinder cover body is inosculated with the engine body, the positioning sealing plate and the inner wall of the engine body form a first sealing anti-leakage mechanism, the first sealing groove, the first sealing boss and the sealing ring form a second sealing anti-leakage mechanism, the second sealing groove, the second sealing boss and the sealing ring form a third sealing anti-leakage mechanism, the connection sealing performance of the cylinder cover body and the engine body is ensured by the three sealing anti-leakage mechanisms, the positioning sealing plate also plays a positioning inosculation role in sealing connection while playing a sealing role, the positioning accuracy and convenience are ensured when the cylinder cover body is connected with the engine body, the butt joint of the threaded hole on the cylinder cover body and the threaded hole on the engine body is accurate and is in a coaxial position, and the shearing force applied to the bolt in the threaded hole is reduced.
Drawings
Fig. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic sectional view taken along line A-A;
FIG. 3 is a schematic view of the present invention connected to an engine body;
fig. 4 is an enlarged view of a region a in fig. 3.
Detailed Description
As shown in fig. 1 to 4, the anti-leakage cylinder cover comprises a cylinder cover body 100, wherein a plurality of mounting protrusions are arranged on the cylinder cover body 100, threaded holes are formed in the middle of the mounting protrusions, the threaded holes penetrate through the bottom of the cylinder cover body from the top, the number of the threaded holes is ten, the ten threaded holes are respectively a first threaded hole 101, a second threaded hole 102, a third threaded hole 103, a fourth threaded hole 101, a fifth threaded hole 105, a sixth threaded hole 106, a seventh threaded hole 107, an eighth threaded hole 108, a ninth threaded hole 109 and a tenth threaded hole 110;
the first threaded hole 101, the second threaded hole 102, the third threaded hole 103 and the fourth threaded hole 104 are respectively located at four corners of the cylinder head body 100, and the fifth threaded hole 105, the sixth threaded hole 106, the seventh threaded hole 107, the eighth threaded hole 108, the ninth threaded hole 109 and the tenth threaded hole 110 are located on two sides of the middle of the cylinder head body 100.
The first threaded hole 101 and the second threaded hole 102 are arranged diagonally, the third threaded hole 103 and the fourth threaded hole 104 are arranged diagonally, the fifth threaded hole 105 and the seventh threaded hole 107 are symmetrical to each other on two sides of the top of the cylinder head body 100, the sixth threaded hole 106 and the eighth threaded hole 108 are symmetrical to each other on two sides of the top of the cylinder head body 100, and the ninth threaded hole 109 and the tenth threaded hole 110 are symmetrical to each other on two sides of the top of the cylinder head body 100.
The ten threaded holes are internally provided with bolts, the end parts of the bolts are connected with the engine main body at the bottom of the cylinder cover body 100, and the bolts are sequentially arranged in the ten threaded holes from the first threaded hole 101 to the tenth threaded hole 110.
Such bolt installation order can guarantee cylinder cap installation and dismantlement, especially when dismantling, the whole atress of cylinder cap is even, because, under the state that the cylinder cap installation back is in the high temperature always, when dismantling for a long time after using, the cylinder cap can have very big predeformation power, when the bolt is in the fastening, the cylinder cap can't warp, the bolt is demolishd the back, the risk that the cylinder cap just has the deformation, if demolish the bolt at will, very easily because the inhomogeneous predeformation power that receives leads to the local slight tear of cylinder cap, like this, just there is the potential safety hazard that hardly finds when the cylinder cap reuses, adopt the bolt installation of this patent, demolish the order, just can avoid above problem greatly.
The cylinder head body 100 is provided with a plurality of air distribution ports 111 communicated with a combustion chamber in the engine main body, the cylinder head body 100 is also provided with a crankshaft cavity top cover 112, and the crankshaft cavity top cover 112 is positioned at the top of a crankshaft cavity in the engine main body.
As a further improvement of the present invention, a first sealing groove 113 and a second sealing groove 114 are disposed on the outer side of the bottom end surface of the cylinder head body, the cross-section of the first sealing groove 113 and the second sealing groove 114 is L-shaped and extends annularly at the bottom of the cylinder head body 100, a sealing ring mounting groove 115 is disposed at the corner of the bottom of the first sealing groove 113 and the second sealing groove 114, the extending direction of the sealing ring mounting groove 115 is consistent with the extending direction of the first sealing groove 113 and the second sealing groove 114, a sealing ring 116 is disposed in the sealing ring mounting groove 115, and a positioning sealing plate 117 is further fixed at the bottom of the cylinder head body 100; the engine body 200 connected with the bottom of the cylinder cover body 100 is provided with a first sealing boss 201 inosculated with the first sealing groove 113, the engine body 200 is also provided with a second sealing boss 202 inosculated with the second sealing groove 114, when the cylinder cover body 100 is attached with the engine body 200, the positioning sealing plate 117 forms a first sealing anti-leakage mechanism with the inner wall of the engine body 200, the first sealing groove 113, the first sealing boss 201 and the sealing ring 116 form a second sealing anti-leakage mechanism, the second sealing groove 114, the second sealing boss 202 and the sealing ring 116 form a third sealing anti-leakage mechanism, the connection sealing performance of the cylinder cover body 100 and the engine body 200 is ensured by the three sealing anti-leakage mechanisms, the positioning sealing plate 117 plays a role of sealing connection and positioning inosculation during sealing connection, and ensures that the cylinder cover body 100 is accurately positioned when being connected with the engine body 200, the cylinder cover is convenient, the threaded hole in the cylinder cover body 100 and the threaded hole in the engine main body 200 are in butt joint accurately and are in the coaxial position, and the shearing force applied to the bolt in the threaded hole is reduced.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. An anti-leakage cylinder cover comprises a cylinder cover body and is characterized in that a first sealing groove and a second sealing groove are arranged on the outer side of the bottom end face of the cylinder cover body, the sections of the first sealing groove and the second sealing groove are L-shaped and extend annularly at the bottom of the cylinder cover body, sealing ring mounting grooves are formed in the corners of the bottoms of the first sealing groove and the second sealing groove, the extending direction of the sealing ring mounting grooves is consistent with the extending direction of the first sealing groove and the second sealing groove, a sealing ring is arranged in each sealing ring mounting groove, and a positioning sealing plate is further fixed at the bottom of the cylinder cover body;
be equipped with on the engine body that cylinder cap body bottom is connected with the anastomotic first sealed boss of first sealed recess, still be equipped with the anastomotic second sealed boss of second sealed recess on the engine body, when cylinder cap body and engine body laminating, the inner wall of positioning seal board and engine body forms first sealed antiseep mechanism, first sealed recess, first sealed boss and sealing washer form the sealed antiseep mechanism of second, the sealed recess of second, the sealed boss of second and sealing washer form the sealed antiseep mechanism of third.
2. The anti-leakage cylinder cover according to claim 1, wherein the positioning sealing plate is integrally formed with the cylinder cover body, and the positioning sealing plate is extended in the same direction as the first sealing groove and the second sealing groove.
3. The anti-leakage cylinder cover according to claim 1, wherein the cylinder cover body is provided with a plurality of threaded holes, the threaded holes penetrate through the bottom of the cylinder cover body from the top, the number of the threaded holes is ten, and the ten threaded holes are respectively a first threaded hole, a second threaded hole, a third threaded hole, a fourth threaded hole, a fifth threaded hole, a sixth threaded hole, a seventh threaded hole, an eighth threaded hole, a ninth threaded hole and a tenth threaded hole;
the first threaded hole, the second threaded hole, the third threaded hole and the fourth threaded hole are respectively positioned at four corners of the cylinder cover body, and the fifth threaded hole, the sixth threaded hole, the seventh threaded hole, the eighth threaded hole, the ninth threaded hole and the tenth threaded hole are positioned at two sides of the middle part of the cylinder cover body;
the first threaded hole and the second threaded hole are arranged diagonally, the third threaded hole and the fourth threaded hole are arranged diagonally, the fifth threaded hole and the seventh threaded hole are symmetrical to each other on two sides of the top of the cylinder cover body, the sixth threaded hole and the eighth threaded hole are symmetrical to each other on two sides of the top of the cylinder cover body, and the ninth threaded hole and the tenth threaded hole are symmetrical to each other on two sides of the top of the cylinder cover body.
4. The anti-leakage cylinder cover according to claim 3, wherein the bolts are inserted into the ten threaded holes, the ends of the bolts are connected with the engine body at the bottom of the cylinder cover body, and the bolts are installed in the ten threaded holes in sequence from the first threaded hole to the tenth threaded hole.
5. The anti-leakage cylinder cover according to claim 4, wherein said cylinder cover body is provided with a plurality of air distribution ports communicating with the combustion chamber in the engine main body, and the cylinder cover body is further provided with a top cover of the crankshaft cavity, and the top cover of the crankshaft cavity is located at the top of the crankshaft cavity in the engine main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922303648.7U CN211474281U (en) | 2019-12-20 | 2019-12-20 | Anti-leakage cylinder cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922303648.7U CN211474281U (en) | 2019-12-20 | 2019-12-20 | Anti-leakage cylinder cover |
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| Publication Number | Publication Date |
|---|---|
| CN211474281U true CN211474281U (en) | 2020-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922303648.7U Active CN211474281U (en) | 2019-12-20 | 2019-12-20 | Anti-leakage cylinder cover |
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| CN (1) | CN211474281U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112652223A (en) * | 2020-12-25 | 2021-04-13 | 四川交通职业技术学院 | Demonstration teaching aid for stress and deformation relation of engine connecting component |
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2019
- 2019-12-20 CN CN201922303648.7U patent/CN211474281U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112652223A (en) * | 2020-12-25 | 2021-04-13 | 四川交通职业技术学院 | Demonstration teaching aid for stress and deformation relation of engine connecting component |
| CN112652223B (en) * | 2020-12-25 | 2021-09-14 | 四川交通职业技术学院 | Demonstration teaching aid for stress and deformation relation of engine connecting component |
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