CN220134074U - Connection enhancement structure of diesel engine end shell - Google Patents
Connection enhancement structure of diesel engine end shell Download PDFInfo
- Publication number
- CN220134074U CN220134074U CN202321564159.7U CN202321564159U CN220134074U CN 220134074 U CN220134074 U CN 220134074U CN 202321564159 U CN202321564159 U CN 202321564159U CN 220134074 U CN220134074 U CN 220134074U
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- China
- Prior art keywords
- end shell
- diesel engine
- bolt
- connection
- lining rod
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 13
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000010705 motor oil Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a connection reinforcing structure of a diesel engine end shell, which comprises an end shell body, wherein connecting parts are arranged at two sides of the end shell body, a bolt hole is formed in the middle of the connecting part, so that an external bolt can connect the end shell body with a diesel engine crankcase shell through the bolt hole, and a stable structure is arranged in the bolt hole; wherein, through stable structure with bolt pressfitting in the key hole inside. According to the utility model, through the stable structure, the bolt connection between the crankcase shell and the end shell body of the diesel engine can be stable, compared with the traditional single bolt connection, the stability of the bolt connection can be improved, the strength and stability of the end shell connection of the diesel engine are improved, the risk of looseness between the end shell and the crankcase is reduced, and the safe operation of the diesel engine is effectively ensured.
Description
Technical Field
The utility model relates to a connection reinforcing structure of a diesel engine end shell.
Background
The end shells of the diesel engine are the shells which are positioned at two sides of the crankcase of the diesel engine and are used for closing the crankcase to contain oil. The end housing is typically made of cast iron or aluminum alloy and serves primarily to ensure that the engine oil in the crankcase does not leak and to provide a safe and clean working environment.
In the crankcase of diesel engine, the key parts such as crankshaft and connecting rod need to be lubricated fully to operate normally, and a thin and proper oil film protecting part is formed in the crankcase. Therefore, the end housing must be able to seal the crankcase to prevent direct oil flow. Meanwhile, the end shell also needs to have good heat dissipation performance, so that the temperature inside engine oil and a crankcase can be effectively reduced, and the heat efficiency of the diesel engine is improved.
In the long-time running process of the diesel engine, due to the influences of factors such as machine part abrasion, temperature change and the like, connection between the end shell and the crankcase is possibly loose or unstable, if the end shell connection structure is not strong enough, the problem of loose can occur, and the safety and the reliability of the diesel engine are seriously influenced, so that the connection reinforcing structure of the end shell of the diesel engine is provided.
Disclosure of Invention
The utility model aims to provide a connection enhancement structure of a diesel engine end shell, which solves the problem that in the long-time operation process of the diesel engine proposed in the background technology, connection between the end shell and a crankcase is loose or unstable possibly caused by the influence of factors such as machine part abrasion, temperature change and the like, and if the connection structure of the end shell is not strong enough, the problem of loose can occur.
In order to solve the technical problems, the utility model provides the following technical scheme: the connection reinforcing structure of the diesel engine end shell comprises an end shell body, wherein connecting parts are arranged at two sides of the end shell body, a bolt hole is formed in the middle of the connecting part, so that an external bolt can connect the end shell body with a diesel engine crankcase shell through the bolt hole,
a stable structure is arranged in the bolt hole;
wherein, through stable structure with bolt pressfitting in the key hole inside.
Preferably, the stabilizing structure comprises an inner groove arranged at two sides of the bolt hole, a lining rod is arranged in the middle of the inner groove, one side of the lining rod is connected with a connecting block, and one side of the connecting block far away from the lining rod is provided with a pressing plate;
the pressing plate slides linearly in the inner groove through the lining rod.
Preferably, the outer periphery of the lining rod is connected with a spring, so that the connecting block presses the spring to elastically move at the outer periphery of the lining rod.
Preferably, the linking block is provided with a cavity groove on one side closer to the lining rod, so that the lining rod is inserted into the linking block, and the lining rod is connected with the linking block.
Preferably, the shape of the pressing plate is a ring plate shape, and cambered surface grooves are formed in two sides of the middle of the pressing plate.
Preferably, a plurality of groups of ring grooves are formed in the inner periphery of the cambered surface groove at the lower part of the pressing plate, and the ring grooves are stepped.
Preferably, a thread groove for screwing the bolt is formed in the lower portion of the bolt hole.
Preferably, a plurality of groups of connecting holes for bolt connection are formed in one side of the end shell body, the connecting holes are formed, and an external bolt is used for connecting the end shell with the crankcase shell of the diesel engine through the connecting holes.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, through the stable structure, the bolt connection between the crankcase shell and the end shell body of the diesel engine can be stable, compared with the traditional single bolt connection, the stability of the bolt connection can be improved, the strength and stability of the end shell connection of the diesel engine are improved, the risk of looseness between the end shell and the crankcase is reduced, and the safe operation of the diesel engine is effectively ensured;
meanwhile, the connection stability of the end shell of the diesel engine is improved, and the energy loss and machine part friction caused by connection instability are reduced, so that the service life of the diesel engine is prolonged; the occurrence probability of diesel engine faults is reduced, so that the downtime and the cost in the maintenance process are reduced, and the maintenance cost is reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a cross-sectional structure of an embodiment of the present utility model;
fig. 3 is a schematic diagram of a stabilizing structure according to an embodiment of the present utility model.
In the figure: 1. an end housing body; 101. a connection part; 102. a bolt hole; 1021. a thread groove; 103. a receiving hole; 2. a stabilizing structure; 201. an inner tank; 202. a lining rod; 203. a joint block; 204. pressing the plate; 205. a spring; 206. a cavity groove; 207. a cambered surface groove; 2071. and a ring groove.
Detailed Description
In order to solve the problem that in the long-time running process of a diesel engine, connection between an end shell and a crankcase is loose or unstable possibly caused by the influence of factors such as machine part abrasion, temperature change and the like, if the end shell connection structure is not strong enough, the problem of loose can occur, and the embodiment of the utility model provides a connection enhancement structure of the end shell of the diesel engine. The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the utility model provides a connection enhancement structure of a diesel engine end shell, comprising an end shell body 1, wherein connecting parts 101 are arranged at two sides of the end shell body 1, a bolt hole 102 is arranged in the middle of the connecting part 101, and a thread groove 1021 for screwing a bolt is arranged at the lower part of the bolt hole 102; so that the external bolts connect the end housing body 1 to the diesel engine crankcase housing through the bolt holes 102,
the inside of the bolt hole 102 is provided with a stable structure 2; the stabilizing structure 2 comprises an inner groove 201 arranged at two sides of the bolt hole 102, a lining rod 202 is arranged in the middle of the inner groove 201, and a spring 205 is connected to the periphery of the lining rod 202 so that the connecting block 203 extrudes the spring 205 at the periphery of the lining rod 202 to elastically move; one side of the lining rod 202 is connected with a connecting block 203, and a cavity 206 is formed on the side, which is nearer to the lining rod 202, of the connecting block 203 so that the lining rod 202 is inserted into the connecting block 203 to connect the lining rod 202 with the connecting block 203; the side of the engagement block 203 remote from the liner rod 202 is provided with a compression plate 204; the shape of the pressing plate 204 is a ring plate shape, and cambered surface grooves 207 are formed on two sides of the middle part of the pressing plate 204; a plurality of groups of annular grooves 2071 are formed in the inner periphery of the cambered surface groove 207 positioned at the lower part of the pressing plate 204, and the annular grooves 2071 form a step shape; the pressing plate 204 is linearly slid in the inner groove 201 by the liner rod 202;
wherein, the bolt is pressed inside the bolt hole 102 through the stabilizing structure 2;
one side of the end housing body 1 is provided with a plurality of groups of connecting holes 103 for bolting.
The utility model provides a connection reinforcing structure of a diesel engine end shell, which has the following working principle: when in use, the bolt connects the end shell body 1 with the crankcase shell through the bolt hole 102 and the thread groove 1021;
when the bolt is inserted into the bolt hole 102, in the process of downward movement of the bolt rod, the cambered surface grooves 207 of the pressing plates 204 are extruded, the pressing plates 204 are driven to move towards two sides oppositely, the bolt rod moves into the inner groove 201 through the connecting blocks 203, the springs 205 at the periphery of the lining rod 202 are extruded until the bolt rod is inserted into the thread grooves 1021 through the holes between the pressing plates 204;
when the bolt moves down to the bottom of the bolt hole 102 through the thread groove 1021, the bolt cap is weakened by the stress of the spring 205 when moving to the annular groove 2071 at the lower part of the pressing plate 204, the pressing plate 204 at one side of the connecting block 203 is driven to move relatively, the bolt cap is connected in the annular groove 2071, the bolt caps with different ruler diameters can be connected in the annular grooves 2071 with different ruler diameters, the bolt cap is clamped through the annular groove 2071, the position of the bolt is fixed, the bolt is prevented from vibrating in the subsequent working of the diesel engine, the bolt is prevented from slipping, and the connection looseness is avoided.
Although embodiments of the present utility model 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 therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A connection reinforcing structure of a diesel engine end shell is characterized in that: comprises an end shell body (1), connecting parts (101) are arranged on two sides of the end shell body (1), a bolt hole (102) is formed in the middle of the connecting part (101) so that an external bolt can penetrate through the bolt hole (102) to connect the end shell body (1) with a crankcase shell of a diesel engine,
a stable structure (2) is arranged in the bolt hole (102);
wherein, through stable structure (2) with the bolt pressfitting in peg hole (102) inside.
2. The connection reinforcing structure of a diesel engine end shell according to claim 1, wherein: the stabilizing structure (2) comprises an inner groove (201) arranged at two sides of the bolt hole (102), a lining rod (202) is arranged in the middle of the inner groove (201), one side of the lining rod (202) is connected with a connecting block (203), and a pressing plate (204) is arranged at one side, far away from the lining rod (202), of the connecting block (203);
the pressing plate (204) linearly slides in the inner groove (201) through the lining rod (202).
3. The connection reinforcing structure of a diesel engine end shell according to claim 2, characterized in that: the outer periphery of the lining rod (202) is connected with a spring (205) so that the connecting block (203) presses the spring (205) to elastically move at the outer periphery of the lining rod (202).
4. A connection reinforcing structure of a diesel engine end shell according to claim 3, characterized in that: the side, closer to the lining rod (202), of the connecting block (203) is provided with a cavity groove (206) so that the lining rod (202) is inserted into the connecting block (203) to connect the lining rod (202) with the connecting block (203).
5. The connection reinforcing structure of a diesel engine end shell according to claim 4, wherein: the shape of the pressing plate (204) is a ring plate shape, and cambered surface grooves (207) are formed in two sides of the middle of the pressing plate (204).
6. The connection reinforcing structure of a diesel engine end shell according to claim 5, wherein: a plurality of groups of ring grooves (2071) are formed in the inner periphery of the cambered surface groove (207) positioned at the lower part of the pressing plate (204), and the ring grooves (2071) are stepped.
7. The connection reinforcing structure of a diesel engine end shell according to claim 6, wherein: the lower part of the bolt hole (102) is provided with a thread groove (1021) for screwing the bolt.
8. The connection reinforcing structure of a diesel engine end shell according to claim 7, wherein: a plurality of groups of connecting holes (103) for bolt connection are formed in one side of the end shell body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321564159.7U CN220134074U (en) | 2023-06-19 | 2023-06-19 | Connection enhancement structure of diesel engine end shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321564159.7U CN220134074U (en) | 2023-06-19 | 2023-06-19 | Connection enhancement structure of diesel engine end shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220134074U true CN220134074U (en) | 2023-12-05 |
Family
ID=88963792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321564159.7U Active CN220134074U (en) | 2023-06-19 | 2023-06-19 | Connection enhancement structure of diesel engine end shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220134074U (en) |
-
2023
- 2023-06-19 CN CN202321564159.7U patent/CN220134074U/en active Active
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