CN210738643U - Engine crankcase ventilation structure - Google Patents
Engine crankcase ventilation structure Download PDFInfo
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- CN210738643U CN210738643U CN201921363393.7U CN201921363393U CN210738643U CN 210738643 U CN210738643 U CN 210738643U CN 201921363393 U CN201921363393 U CN 201921363393U CN 210738643 U CN210738643 U CN 210738643U
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- engine
- fixedly connected
- ventilation structure
- groove
- crankcase ventilation
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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses an engine crankcase ventilation structure relates to the engine field, which comprises a housin, the inside fixed mounting of casing has the spring pad, the inside laminating of spring pad is connected with the engine, one side middle part fixedly connected with delivery pump of engine, the through-hole has been seted up at one side middle part of casing, the activity groove has all been seted up at the both sides middle part of through-hole, the inside swing joint in activity groove has the turning block, the solid fixed ring of one side fixedly connected with of turning block, one side fixedly connected with support frame of solid fixed ring, gu fixed ring's middle part fixedly connected with filter screen, the slip annular has been seted up to. The utility model discloses a spring pad can reduce rocking that the engine produced when using to can improve the service life of engine, can improve the inside air flow velocity of engine through the delivery pump, thereby can prevent that the crankcase from damaging, can prevent through the filter screen that dust or impurity from getting into the inside of engine.
Description
Technical Field
The utility model relates to an engine field, in particular to engine crankcase ventilation structure.
Background
During the operation of the engine, part of incompletely combusted air-fuel mixture is mixed with oil and water vapor and then flows into the crankcase from the combustion chamber. If the waste gas can not be discharged in time, the pressure in the crankcase is too high, which causes the problems of engine oil leakage, engine oil deterioration and the like, thereby affecting the performance of the engine and polluting the environment.
However, through analysis, the existing engine crankcase ventilation structure has the following defects: the ventilation structure of the engine crankcase does not have a dust removing effect, so that foreign dust is easy to enter the inside of the equipment, and therefore, the ventilation structure of the engine crankcase is needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an engine crankcase ventilation structure to solve the inside problem that the impurity dust that proposes among the above-mentioned background art got into equipment.
In order to achieve the above object, the utility model provides a following technical scheme: an engine crankcase ventilation structure comprises a shell, wherein a spring pad is fixedly mounted inside the shell, an engine is connected inside the spring pad in a laminating mode, a delivery pump is fixedly connected to the middle of one side of the engine, a through hole is formed in the middle of one side of the shell, movable grooves are formed in the middle of two sides of the through hole, a rotating block is movably connected inside each movable groove, a fixed ring is fixedly connected to one side of each rotating block, a support frame is fixedly connected to one side of each fixed ring, and a filter screen is fixedly connected to the middle of each fixed ring;
the sliding ring groove is formed in one side of the shell, the limiting groove is formed in one side of the temporal part of the sliding ring groove, a reset spring is fixedly connected to the inside of the limiting groove, a clamping block is fixedly connected to one end of the reset spring, and a limiting ring is fixedly connected to one end of the outer side of the clamping block.
Optionally, the upper end and the lower end of the shell are both provided with air outlet holes, and the air outlet holes are arranged at equal intervals;
the spring pad is composed of a plurality of springs.
Optionally, the outer side of the delivery pump is attached to the spring pad;
one end of the delivery pump corresponds to the position of the through hole.
Optionally, two rotating blocks are arranged, and the two rotating blocks are symmetrical with respect to the fixed ring;
the outer side of the rotating block is movably connected with the inside of the sliding ring groove.
Optionally, one end of the rotating block is provided with a clamping groove;
the inside of draw-in groove and the one end swing joint of fixture block.
Optionally, the middle part of each limiting groove is provided with a limiting sliding groove;
the outer side of the limiting ring of the limiting sliding groove is movably connected.
The utility model discloses a technological effect and advantage:
1. the utility model discloses a spring pad can reduce rocking that the engine produced when using to can improve the service life of engine, can improve the inside air flow velocity of engine through the delivery pump, thereby can prevent that the crankcase from damaging, can prevent through the filter screen that dust or impurity from getting into the inside of engine.
2. The utility model discloses a solid fixed ring, support frame, reset spring, fixture block and spacing ring's cooperation setting can be fixed with the turning block, and can make the filter screen dismouting of being convenient for to can make the filter screen be convenient for replace or clear up.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a schematic side view of the present invention.
Fig. 3 is a schematic side view of the present invention.
Fig. 4 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.
In the figure: 1. a housing; 2. a spring pad; 3. an engine; 4. a delivery pump; 5. rotating the block; 6. a through hole; 7. a movable groove; 8. a fixing ring; 9. a support frame; 10. a filter screen; 11. a sliding ring groove; 12. a limiting groove; 13. a return spring; 14. a clamping block; 15. a limiting ring; 16. a limiting chute; 17. a clamping groove.
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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The utility model provides an engine crankcase ventilation structure as shown in figures 1-4, which is shown in figures 1 and 2, and comprises a shell 1, wherein the upper end and the lower end of the shell 1 are both provided with air outlets which are arranged at equal intervals, a spring pad 2 is fixedly arranged in the shell 1, the spring pad 2 is a spring pad formed by a plurality of springs, the shaking generated when the engine 3 is used can be reduced by the spring pad 2, so that the service life of the engine 3 can be prolonged, the engine 3 is connected with the spring pad 2 in an inner laminating way, a delivery pump 4 is fixedly connected in the middle of one side of the engine 3, the outer side of the delivery pump 4 is connected with the spring pad 2 in an laminating way, one end of the delivery pump 4 corresponds to the position of a through hole 6, the air flow speed in the engine 3 can be increased by the delivery pump 4, thereby preventing the crankcase from being damaged, the through hole 6 is arranged in the middle, the middle parts of two sides of the through hole 6 are respectively provided with a movable groove 7, the inner part of each movable groove 7 is movably connected with two rotating blocks 5, the two rotating blocks 5 are symmetrical relative to a fixed ring 8, one side of each rotating block 5 is fixedly connected with the fixed ring 8, one side of each fixed ring 8 is fixedly connected with a support frame 9, the middle part of each fixed ring 8 is fixedly connected with a filter screen 10, and dust or impurities can be prevented from entering the inner part of the engine 3 through the filter screens 10;
as shown in fig. 3 and 4, a sliding ring groove 11 is formed in one side of the housing 1, the outer side of the rotating block 5 is movably connected with the inside of the sliding ring groove 11, a clamping groove 17 is formed in one end of the rotating block 5, the inside of the clamping groove 17 is movably connected with one end of a clamping block 14, a limiting groove 12 is formed in one side of the temporal part of the sliding ring groove 11, a limiting sliding groove 16 is formed in the middle of the limiting groove 12, the outer side of a limiting ring 15 of the limiting sliding groove 16 is movably connected, a reset spring 13 is fixedly connected with the inside of the limiting groove 12, a clamping block 14 is fixedly connected with one end of the reset spring 13, a limiting ring 15 is fixedly connected with one end of the outer side of the clamping block 14, the rotating block 5 can be fixed, the filter screen 10 can be conveniently dismounted and mounted, and the filter screen 10 can be conveniently replaced or cleaned.
This practical theory of operation: when filter screen 10 needs the installation, put into the inside of movable groove 7 with turning block 5, next promote and rotate support frame 9, thereby make turning block 5 get into the inside of slip annular groove 11, when turning block 5 put with fixture block 14 contact time, lead to the inside that extrusion fixture block 14 made fixture block 14 get into spacing groove 12, thereby can make reset spring 13 produce elasticity, when turning block 5 and fixture block 14 are parallel, through reset spring 13's elasticity, can be with the inside of fixture block 14 bullet draw-in groove 17, thereby can be fixed with turning block 5, through such setting, can make filter screen 10 be convenient for the dismouting, thereby can make filter screen 10 be convenient for wash or replace.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. An engine crankcase ventilation structure, including casing (1), its characterized in that: the spring cushion (2) is fixedly installed inside the shell (1), the engine (3) is connected to the spring cushion (2) in a laminating mode, a conveying pump (4) is fixedly connected to the middle of one side of the engine (3), a through hole (6) is formed in the middle of one side of the shell (1), movable grooves (7) are formed in the middle of two sides of the through hole (6), a rotating block (5) is movably connected to the inside of each movable groove (7), a fixing ring (8) is fixedly connected to one side of each rotating block (5), a supporting frame (9) is fixedly connected to one side of each fixing ring (8), and a filter screen (10) is fixedly connected to the middle of each fixing ring (8);
slip annular (11) have been seted up to one side of casing (1), spacing groove (12) have been seted up to temporal part one side of slip annular (11), the inside fixedly connected with reset spring (13) of spacing groove (12), the one end fixedly connected with fixture block (14) of reset spring (13), outside one end fixedly connected with spacing ring (15) of fixture block (14).
2. An engine crankcase ventilation structure according to claim 1, characterized in that:
the upper end and the lower end of the shell (1) are both provided with air outlet holes which are arranged at equal intervals;
the spring pad (2) is a spring pad formed by a plurality of springs.
3. An engine crankcase ventilation structure according to claim 1, characterized in that:
the outer side of the delivery pump (4) is attached and connected with the spring pad (2);
one end of the delivery pump (4) corresponds to the position of the through hole (6).
4. An engine crankcase ventilation structure according to claim 1, characterized in that:
the number of the rotating blocks (5) is two, and the two rotating blocks (5) are symmetrical relative to the fixed ring (8);
the outer side of the rotating block (5) is movably connected with the inner part of the sliding ring groove (11).
5. An engine crankcase ventilation structure according to claim 1, characterized in that:
one end of the rotating block (5) is provided with a clamping groove (17);
the interior of the clamping groove (17) is movably connected with one end of the clamping block (14).
6. An engine crankcase ventilation structure according to claim 1, characterized in that:
the middle parts of the limiting grooves (12) are provided with limiting sliding grooves (16);
the outer side of the limiting ring (15) of the limiting sliding groove (16) is movably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921363393.7U CN210738643U (en) | 2019-08-21 | 2019-08-21 | Engine crankcase ventilation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921363393.7U CN210738643U (en) | 2019-08-21 | 2019-08-21 | Engine crankcase ventilation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210738643U true CN210738643U (en) | 2020-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921363393.7U Active CN210738643U (en) | 2019-08-21 | 2019-08-21 | Engine crankcase ventilation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210738643U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115370504A (en) * | 2022-08-25 | 2022-11-22 | 山东赛马力发电设备有限公司 | Engine crankcase ventilation cooling structure |
-
2019
- 2019-08-21 CN CN201921363393.7U patent/CN210738643U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115370504A (en) * | 2022-08-25 | 2022-11-22 | 山东赛马力发电设备有限公司 | Engine crankcase ventilation cooling structure |
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