CN212225767U - Crankshaft convenient to install - Google Patents
Crankshaft convenient to install Download PDFInfo
- Publication number
- CN212225767U CN212225767U CN201922363336.5U CN201922363336U CN212225767U CN 212225767 U CN212225767 U CN 212225767U CN 201922363336 U CN201922363336 U CN 201922363336U CN 212225767 U CN212225767 U CN 212225767U
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- China
- Prior art keywords
- crank arm
- crank
- mounting hole
- main journal
- crankshaft
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Abstract
The utility model discloses an easy to assemble bent axle, including first crank arm, the connecting axle is installed through first installation cover to one side of the one end of first crank arm, second installation cover is installed to the one end both sides of second crank arm, install the crank pin on the second installation cover, first spiral shell head is installed at the both ends of crank pin, the third crank arm is installed to one side of second crank arm, the output shaft is installed to the one end of third crank arm. The utility model discloses a bent axle forms through the installation of main journal and crank pin intercombination between first crank arm, second crank arm and the third crank arm, and first spiral shell head and second spiral shell head are installed respectively to the both ends of main journal and crank pin, and are provided with first mounting hole and second mounting hole on first crank arm, second crank arm and third crank arm, and the inboard of first mounting hole and second mounting hole is provided with the internal thread, through its installation dismantlement that makes things convenient for the main journal.
Description
Technical Field
The utility model relates to a bent axle field specifically is an easy to assemble bent axle.
Background
The crankshaft is the main rotating part of the engine, and after the connecting rod is installed, the crankshaft can bear the up-and-down motion of the connecting rod and change the up-and-down motion into a circular motion, and is an important part on the engine. The crankshaft lubrication mainly refers to lubrication with a bearing bush of a big end of a connecting rod and a connecting rod neck of the crankshaft and lubrication of fixed points at two ends, and the rotation of the crankshaft is a power source of an engine and also a power source of a whole mechanical system.
The installation of the bent axle at present stage is dismantled inconveniently, and can't adjust the pivoted range of bent axle.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an easy to assemble bent axle to it is inconvenient to solve the installation dismantlement among the prior art, and can't carry out the problem of adjusting to bent axle pivoted range.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an easy to assemble bent axle, includes first crank arm, the connecting axle is installed through first installation cover in one side of the one end of first crank arm, the other end inboard of first crank arm is provided with first mounting hole and second mounting hole, install the main shaft neck on first mounting hole and the second mounting hole, second spiral shell head is installed at the both ends of main shaft neck, the second crank arm is installed to one side of first crank arm, the second installation cover is installed to the one end both sides of second crank arm, install the crank pin on the second installation cover, first spiral shell head is installed at the both ends of crank pin, the third crank arm is installed to one side of second crank arm, the output shaft is installed to the one end of third crank arm.
Preferably, the first mounting hole and the second mounting hole are internally provided with internal threads, and the main journal is fixedly connected with the first mounting hole through the second screw head.
Preferably, the inside of second installation cover is provided with the internal thread, and crank pin and second installation cover fixed connection.
Preferably, main journal and crank pin all set up to hollow structure, and first crank arm, second crank arm and third crank arm all set up to hollow structure.
Preferably, the first crank arm, the second crank arm and the third crank arm are combined with each other by a main journal and a crank pin.
Preferably, the second crank arms are provided in four sets, and the first crank arms and the third crank arms are respectively mounted on the crankshafts.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model is formed by mutually assembling and installing a first crank arm, a second crank arm and a third crank arm through a main journal and a crank pin, and the two ends of the main journal and the crank pin are respectively provided with a first screw head and a second screw head, and the first crank arm, the second crank arm and the third crank arm are provided with a first mounting hole and a second mounting hole, and the inner sides of the first mounting hole and the second mounting hole are provided with internal threads, the installation and the disassembly of the main journal are convenient through the installation structure, and the first installation hole and the second installation hole can be designed to be installed at different positions, thereby adjusting the rotation amplitude of the first crank arm, the second crank arm and the third crank arm, and the second mounting sleeves are respectively arranged at two sides of one end of the first crank arm, the second crank arm and the third crank arm, the inner side of the second mounting sleeve is provided with an internal thread, and the crank pin is convenient to mount and dismount through the internal thread.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Figure 2 is a side view of a first crank arm of the present invention.
Fig. 3 is a schematic structural diagram of a second crank arm according to the present invention.
In the figure: 1. a first mounting hole; 2. a first crank arm; 3. a first mounting sleeve; 4. a connecting shaft; 5. a main journal; 6. a second mounting hole; 7. a second mounting sleeve; 8. a crank pin; 9. An output shaft; 10. a second crank arm; 11. a third crank arm; 12. a first screw head; 13. a second screw head.
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.
Referring to fig. 1 to 3, in an embodiment of the present invention, an easy-to-mount crankshaft includes a first crank arm 2, a connecting shaft 4 is mounted on one side of one end of the first crank arm 2 through a first mounting sleeve 3, the connecting shaft 4 is easy to mount in a shaft hole, a first mounting hole 1 and a second mounting hole 6 are disposed on an inner side of the other end of the first crank arm 2, a main journal 5 is easy to mount in the first mounting hole 1 and the second mounting hole 6, the main journal 5 is easy to connect with a link mechanism, internal threads are disposed inside the first mounting hole 1 and the second mounting hole 6, the main journal 5 is fixedly connected with the first mounting hole 1 through a second screw 13, the main journal 5 is mounted on the first mounting hole 1 and the second mounting hole 6, the second screw 13 is mounted at two ends of the main journal 5, the second screw 13 is easy to control the mounting and dismounting of the main journal 5, a second crank arm 10 is mounted on one side of the first crank arm 2, the second installation cover 7 is installed to the one end both sides of second crank arm 10, the inside of second installation cover 7 is provided with the internal thread, and crank pin 8 and second installation cover 7 fixed connection, install crank pin 8 on the second installation cover 7, crank pin 8 conveniently connects multiunit crank arm intercombination, main journal 5 and crank pin 8 all set up hollow structure, and first crank arm 2, second crank arm 10 and third crank arm 11 all set up hollow structure, first spiral shell head 12 is installed at the both ends of crank pin 8, first spiral shell head 12 makes things convenient for the installation of crank pin 8, third crank arm 11 is installed to one side of second crank arm 10, first crank arm 2, second crank arm 10 and third crank arm 11 pass through main journal 5 and crank pin 8 intercombination, second crank arm 10 is provided with four groups altogether, and install the both ends at the bent axle respectively at first crank arm 2 and third crank arm 11, an output shaft 9 is mounted at one end of the third crank arm 11, and the output shaft 9 is used for being connected with a motor spindle structure.
The utility model discloses a theory of operation is: this equipment is when using, with first crank arm 2, second crank arm 10 and third crank arm 11 make up into the crank structure through main journal 5 and crank pin 8, make main journal 5 install on first mounting hole 1 and second mounting hole 6 through second spiral shell head 13, install crank pin 8 on second installation cover 7 through first spiral shell head 12, through connecting axle 4 and bushing, and be connected with the motor spindle through output shaft 9, be connected with link mechanism through main journal 5, through controlling first crank arm 2, second crank arm 10 and third crank arm 11, make it carry out the piston motion through main journal 5 drive link mechanism.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A crankshaft convenient to mount comprises a first crank arm (2) and is characterized in that a connecting shaft (4) is mounted on one side of one end of the first crank arm (2) through a first mounting sleeve (3), a first mounting hole (1) and a second mounting hole (6) are arranged on the inner side of the other end of the first crank arm (2), a main journal (5) is mounted on the first mounting hole (1) and the second mounting hole (6), a second screw head (13) is mounted at two ends of the main journal (5), a second crank arm (10) is mounted on one side of the first crank arm (2), a second mounting sleeve (7) is mounted on two sides of one end of the second crank arm (10), a crank pin (8) is mounted on the second mounting sleeve (7), a first screw head (12) is mounted at two ends of the crank pin (8), a third crank arm (11) is mounted on one side of the second crank arm (10), an output shaft (9) is mounted at one end of the third crank arm (11).
2. A readily installable crankshaft as claimed in claim 1 wherein: the inside of first mounting hole (1) and second mounting hole (6) all is provided with the internal thread, and main journal (5) are through second spiral shell head (13) and first mounting hole (1) fixed connection.
3. A readily installable crankshaft as claimed in claim 1 wherein: the inside of second installation cover (7) is provided with the internal thread, and crank pin (8) and second installation cover (7) fixed connection.
4. A readily installable crankshaft as claimed in claim 1 wherein: main journal (5) and crank pin (8) all set up to hollow structure, and first crank arm (2), second crank arm (10) and third crank arm (11) all set up to hollow structure.
5. A readily installable crankshaft as claimed in claim 1 wherein: the first crank arm (2), the second crank arm (10) and the third crank arm (11) are combined with each other through a main journal (5) and a crank pin (8).
6. A readily installable crankshaft as claimed in claim 1 wherein: the second crank arms (10) are provided with four groups, and the first crank arms (2) and the third crank arms (11) are respectively installed at two ends of the crankshaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922363336.5U CN212225767U (en) | 2019-12-25 | 2019-12-25 | Crankshaft convenient to install |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922363336.5U CN212225767U (en) | 2019-12-25 | 2019-12-25 | Crankshaft convenient to install |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212225767U true CN212225767U (en) | 2020-12-25 |
Family
ID=73900525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922363336.5U Active CN212225767U (en) | 2019-12-25 | 2019-12-25 | Crankshaft convenient to install |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212225767U (en) |
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2019
- 2019-12-25 CN CN201922363336.5U patent/CN212225767U/en active Active
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| GR01 | Patent grant |