CN213235242U - Power unit - Google Patents
Power unit Download PDFInfo
- Publication number
- CN213235242U CN213235242U CN202021676399.2U CN202021676399U CN213235242U CN 213235242 U CN213235242 U CN 213235242U CN 202021676399 U CN202021676399 U CN 202021676399U CN 213235242 U CN213235242 U CN 213235242U
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- connecting piece
- water jacket
- cylinder
- power unit
- cylinder head
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Abstract
The utility model relates to the technical field of engines, concretely relates to power unit. The utility model discloses a power unit includes: the water jacket comprises a cylinder cover, a water jacket shell and a cylinder sleeve, wherein two sides of the cylinder cover are respectively provided with a first connecting piece; the water jacket shell is provided with a second connecting piece matched with the first connecting piece, the first connecting piece and the second connecting piece are connected through a connecting bolt, and two sides of the water jacket shell are respectively provided with a first connecting hole; the cylinder is sheathe in and is provided with the second connecting hole that matches with first connecting hole, and first connecting hole and second connecting hole pass through fixing bolt and connect. The utility model discloses an among the power pack, realize the connection of cylinder head and water jacket shell through first connecting piece and second connecting piece, through first connecting hole and second connecting hole, can realize the connection of water jacket shell and cylinder liner, only adopt connecting bolt and fixing bolt to realize the assembly and the dismantlement of whole power pack promptly, the maintenance of being convenient for.
Description
Technical Field
The utility model relates to the technical field of engines, concretely relates to power unit.
Background
The power unit includes: the cylinder cover, the water jacket shell, the cylinder sleeve and the piston connecting rod assembly are connected in sequence.
In the existing power unit, a cylinder cover and a water jacket shell are tightly pressed by using a pressing bolt, the water jacket shell is contacted with the top of a cylinder sleeve at the bottom, the cylinder sleeve and the water jacket shell are connected along the circumferential direction of the cylinder sleeve by using 24 fixing bolts, the assembling and disassembling time of the whole power unit is long, and the maintenance is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the assembly and the disassembly time of the existing power unit are longer and the maintenance is not convenient at least. The purpose is realized by the following technical scheme:
the utility model discloses a first aspect provides a power unit, power unit includes: the cylinder head assembly comprises a cylinder head, and two sides of the cylinder head are respectively provided with a first connecting piece;
the water jacket shell is provided with a second connecting piece matched with the first connecting piece, the first connecting piece and the second connecting piece are connected through a connecting bolt, and two sides of the water jacket shell are respectively provided with a first connecting hole;
the cylinder sleeve is provided with a second connecting hole matched with the first connecting hole, and the first connecting hole is connected with the second connecting hole through a fixing bolt.
According to the utility model discloses an among the power pack, the both sides of cylinder head are provided with first connecting piece respectively, be provided with on the water jacket shell with the second connecting piece that first connecting piece matees, first connecting piece with the second connecting piece passes through connecting bolt and connects, realizes being connected of cylinder head and water jacket shell through first connecting piece and second connecting piece, through first connecting hole and second connecting hole, can realize being connected of water jacket shell and cylinder liner, only adopt connecting bolt and fixing bolt to realize the assembly and the dismantlement of whole power pack promptly, and the maintenance of being convenient for has save time and dismantles convenient advantage.
In addition, according to the utility model discloses a power unit still can have following additional technical characterstic:
in some embodiments of the present invention, a third connecting member is further disposed on the cylinder head, a fourth connecting member matched with the third connecting member is disposed on the water jacket shell, and the third connecting member and the fourth connecting member pass through the connecting bolt.
In some embodiments of the present invention, the third connecting member and the second connecting member are disposed on the same side of the cylinder head.
In some embodiments of the present invention, the first connection hole is provided on the water jacket shell along a transverse direction of the water jacket shell, and the second connection hole is provided on the cylinder liner along the transverse direction of the cylinder liner.
In some embodiments of the present invention, the first connection hole is located at a bottom of the water jacket housing.
In some embodiments of the present invention, the cylinder head assembly further comprises a cylinder cover, the cylinder cover being disposed on the cylinder head.
In some embodiments of the present invention, the cylinder head assembly further comprises an exhaust pipe and an intake pipe, the exhaust pipe and the intake pipe are respectively disposed on the cylinder head.
In some embodiments of the present invention, the power unit further comprises a piston rod assembly, the piston rod assembly being connected to the cylinder liner.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:
figure 1 schematically shows a schematic view of a power unit according to an embodiment of the invention;
fig. 2 schematically shows a schematic view of a third connecting bolt in a power unit according to an embodiment of the invention.
The reference numerals in the drawings denote the following:
1: a cylinder head; 2: a water jacket housing; 3: a cylinder liner; 4: a piston rod assembly; 5: a first connecting bolt; 6: a second connecting bolt; 7: a cylinder head cover; 8: an air inlet pipe; 9: an exhaust pipe; 10: fixing the bolt; 11: a first connection hole; 13: a first connecting member; 14: a second connecting member; 15: a third connecting member; 16: and a fourth connecting piece.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1 and 2, the power unit in the present embodiment includes: cylinder head assembly, cylinder head assembly includes: the water jacket comprises a cylinder cover 1, a water jacket shell 2 and a cylinder sleeve 3, wherein two sides of the cylinder cover 1 are respectively provided with a first connecting piece 13; a second connecting piece 14 matched with the first connecting piece 13 is arranged on the water jacket shell 2, the first connecting piece 13 and the second connecting piece 14 are connected through a connecting bolt, and first connecting holes 11 are respectively arranged on two sides of the water jacket shell 2; the cylinder sleeve 3 is provided with a second connecting hole matched with the first connecting hole 11, and the first connecting hole 11 and the second connecting hole are connected through a fixing bolt 10.
Specifically, a connecting bolt is inserted into the first connecting member 13 and fixed in the second connecting member 14, and the water jacket housing 2 and the cylinder head 1 are connected by two connecting bolts. The fixing bolt 10 is arranged in the first connecting hole 11 and fixed in the second connecting hole, and the water jacket shell 2 and the cylinder sleeve 3 are connected through the two fixing bolts 10.
The two sides of the cylinder cover 1 are respectively provided with a first connecting piece 13, the water jacket shell 2 is provided with a second connecting piece 14 matched with the first connecting piece 13, the first connecting piece 13 and the second connecting piece 14 are connected through a connecting bolt, the cylinder cover 1 is connected with the water jacket shell 2 through the first connecting piece 13 and the second connecting piece 14, the water jacket shell 2 is connected with the cylinder sleeve 3 through the first connecting hole 11 and the second connecting hole, and the whole power unit can be assembled and disassembled only by adopting the connecting bolt and the fixing bolt 10, so that the maintenance is convenient.
In some embodiments of the present invention, a third connecting member 15 is further disposed on the cylinder head 1, a fourth connecting member 16 matched with the third connecting member 15 is disposed on the water jacket housing 2, and the third connecting member 15 and the fourth connecting member 16 are connected by a connecting bolt.
In order to make the connection more leaktight, a third connection 15 and a fourth connection 16 are provided. The connecting bolt in this embodiment includes two first connecting bolts 5 and two second connecting bolts 6, the first connecting member 13 and the second connecting member 14 are connected by the first connecting bolt 5, and the third connecting member 15 and the fourth connecting member 16 are connected by the second connecting bolt 6. A thread matching the first connecting bolt 5 is provided in the second connecting piece 14, and a thread matching the second connecting bolt 6 is provided in the fourth connecting piece 16.
In some embodiments of the present invention, the third connecting member 15 and the second connecting member 14 are disposed on the same side of the cylinder head 1. The third connecting piece 15 and the second connecting piece 14 are positioned at two ends of the same side of the cylinder cover 1, so that the water jacket shell 2 and the cylinder cover 1 can be better connected.
In some embodiments of the present invention, the first connection hole 11 is provided in the water jacket case 2 in the lateral direction of the water jacket case 2, and the second connection hole is provided in the cylinder liner 3 in the lateral direction of the cylinder liner 3.
Compared with the prior art that the water jacket shell is contacted with the top of the cylinder sleeve at the bottom, the first connecting hole 11 is arranged along the transverse direction of the water jacket shell 2, so that the sealing surface between the water jacket shell and the cylinder sleeve is reduced, and the requirement on sealing is not high.
The horizontal direction of the water jacket shell 2 is the left and right direction in fig. 2, a first connecting hole 11 is formed along the horizontal direction of the water jacket shell 2, a second connecting hole is formed along the horizontal direction of the cylinder sleeve 3, and an internal thread matched with the fixing bolt 10 in thread is arranged in the second connecting hole, so that the fixing bolt 10 can be conveniently screwed on the cylinder sleeve 3.
In some embodiments of the present invention, the first connection hole 11 is located at the bottom of the water jacket housing 2. To make the connection structure more stable, the first connection hole 11 is located at the bottom of the water jacket housing 2.
In some embodiments of the present invention, the cylinder head assembly further comprises a cylinder cover 7, and the cylinder cover 7 is disposed on the cylinder head 1. The cylinder head cover 7 is provided on the top of the cylinder head 1 by bolts.
In some embodiments of the present invention, the cylinder head assembly further includes an exhaust pipe 9 and an intake pipe 8, and the exhaust pipe 9 and the intake pipe 8 are respectively disposed on the cylinder head 1. An intake pipe 8 and an exhaust pipe 9 communicate with the cylinder head 1, and the intake pipe 8 and the exhaust pipe 9 are connected to the cylinder head 1 by bolts.
In some embodiments of the present invention, the power unit further includes a piston rod assembly 4, and the piston rod assembly 4 is connected to the cylinder liner 3.
The utility model discloses an among the power unit, cylinder head 1 and water jacket shell 2 of cylinder head assembly are connected through two first connecting bolt 5 and two second connecting bolt 6, and first connecting bolt 5 is located first connecting piece 13 and second and is connected, and second connecting bolt 6 is located third connecting piece 15 and fourth connecting piece 16. The piston connecting rod assembly 4 is fixed in position with the cylinder sleeve 3 through a tool, and the cylinder cover 1 cover, the air inlet pipe 8 and the exhaust pipe 9 are respectively connected with the cylinder cover assembly through bolts. The maintenance environment requirement is not high, and the method is suitable for operation in the cabin.
To sum up, the utility model discloses an among the power unit, the both sides of cylinder head 1 are provided with first connecting piece 13 respectively, be provided with the second connecting piece 14 that matches with first connecting piece 13 on the water jacket shell 2, first connecting piece 13 and second connecting piece 14 pass through connecting bolt and connect, realize cylinder head 1 and water jacket shell 2's connection through first connecting piece 13 and second connecting piece 14, through first connecting hole 11 and second connecting hole, can realize water jacket shell 2 and cylinder liner 3's connection, only adopt connecting bolt and fixing bolt 10 to realize whole power unit's assembly and dismantlement promptly, the maintenance of being convenient for, have save time and dismantle convenient advantage.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A power unit, comprising:
the cylinder head assembly comprises a cylinder head, and two sides of the cylinder head are respectively provided with a first connecting piece;
the water jacket shell is provided with a second connecting piece matched with the first connecting piece, the first connecting piece and the second connecting piece are connected through a connecting bolt, and two sides of the water jacket shell are respectively provided with a first connecting hole;
the cylinder sleeve is provided with a second connecting hole matched with the first connecting hole, and the first connecting hole is connected with the second connecting hole through a fixing bolt.
2. The power unit as claimed in claim 1, wherein a third connecting piece is further arranged on the cylinder head, a fourth connecting piece matched with the third connecting piece is arranged on the water jacket shell, and the third connecting piece and the fourth connecting piece are connected through the connecting bolt.
3. The power unit as recited in claim 2, wherein the third connector and the second connector are disposed on a same side of the cylinder head.
4. The power unit according to claim 1, characterized in that the first connection hole is opened in the water jacket housing in a lateral direction of the water jacket housing, and the second connection hole is opened in the cylinder liner in a lateral direction of the cylinder liner.
5. The power unit as recited in claim 4, wherein the first connection hole is located at a bottom of the water jacket housing.
6. The power unit as recited in claim 1, wherein the cylinder head assembly further comprises a cylinder cover disposed on the cylinder head.
7. The power unit as recited in claim 1, wherein the cylinder head assembly further includes an exhaust pipe and an intake pipe, the exhaust pipe and the intake pipe being respectively provided on the cylinder head.
8. The power unit as recited in claim 1, further comprising a piston and connecting rod assembly, the piston and connecting rod assembly being connected to the cylinder liner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021676399.2U CN213235242U (en) | 2020-08-12 | 2020-08-12 | Power unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021676399.2U CN213235242U (en) | 2020-08-12 | 2020-08-12 | Power unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213235242U true CN213235242U (en) | 2021-05-18 |
Family
ID=75894500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021676399.2U Active CN213235242U (en) | 2020-08-12 | 2020-08-12 | Power unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213235242U (en) |
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2020
- 2020-08-12 CN CN202021676399.2U patent/CN213235242U/en active Active
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