CN217055929U

CN217055929U - Bent axle convenient to installation

Info

Publication number: CN217055929U
Application number: CN202221097566.7U
Authority: CN
Inventors: 王建勇; 王璋
Original assignee: Wenzhou Qianggu Machinery Manufacturing Co ltd
Current assignee: Wenzhou Qianggu Machinery Manufacturing Co ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-07-26
Anticipated expiration: 2032-05-10

Abstract

The utility model provides a bent axle convenient to installation, including axle journal, crank arm, connecting axle and output shaft, the both ends of axle journal all are provided with the crank arm, the one end of crank arm is provided with the connecting axle, the other end of crank arm is provided with the output shaft, the strengthening rib has all been welded to the outer wall both sides of axle journal, the one end of connecting axle is provided with installation mechanism, the one end of output shaft is provided with coupling mechanism. This bent axle convenient to installation, through the rubber circle, extend the axle, the spacing groove, the external thread groove, the gear, the stopper, gu fixed ring, fixed block and fixation nut's setting, can install the gear on the spacing groove of extending the axle fast through the stopper, then will gu fixed ring cover in the one end of extending the axle, make the fixed block embed into the spacing groove, then at the rotatory fixation nut of one end in external thread groove, make one side laminating of solid fixed ring and gear under fixation nut's promotion, fix the gear simultaneously, make the connection of gear need not through extra gomphosis.

Description

Bent axle convenient to installation

Technical Field

The utility model relates to a bent axle correlation technique field especially relates to a bent axle convenient to installation.

Background

The crankshaft is the most important part in the engine, bears the force transmitted by the connecting rod, converts the force into torque, outputs the torque through the crankshaft and drives other accessories on the engine to work, and is subjected to the combined action of centrifugal force of rotating mass, gas inertia force with periodic change and reciprocating inertia force to bear the action of bending and torsion load, so that the crankshaft is required to have enough strength and rigidity, the surface of a journal needs to be wear-resistant, the work is uniform, the balance performance is good, and meanwhile, the crankshaft which is convenient to install is particularly required to improve the convenience of the crankshaft.

However, in the existing crankshaft convenient to mount, two ends of most crankshafts need to be connected and mounted in the using process, and a gear is directly mounted at one end of the front end of the crankshaft in an embedding mode, so that the gear needs to be knocked by gravity in the mounting or dismounting process, and a gasket between the gear and a front end connecting shaft is easy to break after being used for a long time, so that the gear is loosened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bent axle convenient to installation to the bent axle of the current installation of being convenient for that proposes in solving above-mentioned background art, but the bent axle of the installation of being convenient for now, in the use, the installation all need be connected at the both ends of most bent axles, and the front end one end of bent axle is the direct mode installation gear through the gomphosis, make the gear at the in-process of installation or dismantlement like this, all need strike through gravity, and the packing ring between gear and the front end connecting axle is easy fracture after long-time use, lead to the not hard up problem of gear.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a bent axle convenient to installation, includes axle journal, crank arm, connecting axle and output shaft, the both ends of axle journal all are provided with the crank arm, the one end of crank arm is provided with the connecting axle, the other end of crank arm is provided with the output shaft, the strengthening rib has all been welded to the outer wall both sides of axle journal, the one end of connecting axle is provided with installation mechanism, the one end of output shaft is provided with coupling mechanism, coupling mechanism's one end threaded connection has fixed establishment.

Preferably, the reinforcing ribs are distributed on the surface of the outer wall of the shaft neck at equal intervals, and the other sides of the reinforcing ribs are welded with the surface of the crank arm.

Preferably, installation mechanism includes the rubber circle, extends axle, spacing groove, external thread groove, gear, stopper, solid fixed ring, fixed block and fixation nut, the pot head of connecting axle is equipped with the rubber circle, the one end of connecting axle is provided with extends the axle, extend the surface of axle and seted up the spacing groove, the external thread groove has been seted up on the one end surface of extending the axle, the pot head of extending the axle is equipped with the gear, the inner circle welding of gear has the stopper, the pot head of external thread groove is equipped with solid fixed ring, a side surface of solid fixed ring is provided with the fixed block, a terminal threaded connection of external thread groove has fixation nut.

Preferably, the size of the limiting groove is matched with the size of the limiting block, and the size of the fixing block is matched with the size of the limiting groove.

Preferably, the connecting mechanism comprises a flange plate, a first thread groove, a second thread groove, a positioning groove and a gasket, the flange plate is arranged at one end of the output shaft, the first thread groove is formed in the surface of one side of the flange plate, the second thread groove is formed in one end of the first thread groove, the positioning groove is formed in the surface of the inner ring of the flange plate, and the gasket is bonded to the surface of one end of the flange plate.

Preferably, the fixing mechanism comprises a flywheel, a fixing hole, a sleeve ring, a positioning block and a connecting screw rod, the flywheel is arranged at one end of the output shaft, the fixing hole is formed in the surface of the flywheel, the sleeve ring is arranged on the surface of one side of the flywheel, the positioning block is arranged on the surface of the outer ring of the sleeve ring, and the connecting screw rod penetrates through one end of the fixing hole.

Preferably, one end of the connecting screw penetrates through the fixing hole to be in threaded connection with the second thread groove and the first thread groove, and the size of the positioning block is matched with that of the positioning groove.

Compared with the prior art, the beneficial effects of the utility model are that: this bent axle convenient to installation, through the rubber circle, extend the axle, the spacing groove, the external thread groove, the gear, the stopper, gu fixed ring, fixed block and fixation nut's setting, can be convenient for carry out erection joint with the gear, when using, install the gear on the spacing groove of extending the axle through the stopper fast, then will gu fixed ring cover in the one end of extending the axle, make the fixed block embed into the spacing groove, then at the rotatory fixation nut of one end in external thread groove, make one side laminating of solid fixed ring and gear under fixation nut's promotion, fix the gear simultaneously, make the connection of gear need not through extra gomphosis, erection joint that also can be fine, and be convenient for dismantle.

Drawings

FIG. 1 is a schematic side view of the structure of the present invention;

FIG. 2 is a schematic view of the structure of the installation mechanism of the present invention;

FIG. 3 is a schematic sectional view of the connecting mechanism of the present invention;

fig. 4 is a schematic view of the fixing mechanism of the present invention.

In the figure: 1. a journal; 2. a crank arm; 3. a connecting shaft; 4. an output shaft; 5. reinforcing ribs; 6. an installation mechanism; 601. a rubber ring; 602. an extension shaft; 603. a limiting groove; 604. an outer thread groove; 605. a gear; 606. a limiting block; 607. a fixing ring; 608. a fixed block; 609. fixing a nut; 7. a connecting mechanism; 701. a flange plate; 702. a first thread groove; 703. a second thread groove; 704. positioning a groove; 705. a gasket; 8. a fixing mechanism; 801. a flywheel; 802. a fixing hole; 803. a collar; 804. positioning a block; 805. and connecting the screw rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a bent axle convenient to installation, includes axle journal 1, crank arm 2, connecting axle 3 and output shaft 4, and the both ends of axle journal 1 all are provided with crank arm 2, and the one end of crank arm 2 is provided with connecting axle 3, and the other end of crank arm 2 is provided with output shaft 4, and all the welding of the outer wall both sides of axle journal 1 has strengthening rib 5, and the one end of connecting axle 3 is provided with installation mechanism 6, and the one end of output shaft 4 is provided with coupling mechanism 7, and the one end threaded connection of coupling mechanism 7 has fixed establishment 8.

Further, strengthening rib 5 is equidistant distribution at the outer wall surface of axle journal 1, and the opposite side of strengthening rib 5 welds with 2 surfaces of crank arm mutually, through strengthening rib 5's setting, can effectively increase 2 intensity of crank arm, makes crank arm 2 can bear bigger pressure when using.

Further, the mounting mechanism 6 comprises a rubber ring 601, an extending shaft 602, a limiting groove 603, an external thread groove 604, a gear 605, a limiting block 606, a fixing ring 607, a fixing block 608 and a fixing nut 609, the rubber ring 601 is sleeved at one end of the connecting shaft 3, the extending shaft 602 is arranged at one end of the connecting shaft 3, the limiting groove 603 is formed in the surface of the extending shaft 602, the external thread groove 604 is formed in the surface of one end of the extending shaft 602, the gear 605 is sleeved at one end of the extending shaft 602, the limiting block 606 is welded on the inner ring of the gear 605, the fixing ring 607 is sleeved at one end of the external thread groove 604, the fixing block 608 is arranged on one side surface of the fixing ring 607, one end of the external thread groove 604 is in threaded connection with the fixing nut 609, and when in use, the gear 605 can be conveniently installed and connected with the gear 605, when the gear 605 is used, the gear 605 is quickly installed on the limiting groove 603 of the extension shaft 602 through the limiting block 606, then the fixing ring 607 is sleeved at one end of the extension shaft 602, the fixing block 608 is embedded into the limiting groove 603, then the fixing nut 609 is rotated at one end of the external thread groove 604, the fixing ring 607 is attached to one side of the gear 605 under the pushing of the fixing nut 609, meanwhile, the gear 605 is fixed, the connection of the gear 605 is not needed to be additionally embedded, the installation and connection can be good, and the gear 605 is convenient to detach.

Furthermore, the size of the limiting groove 603 is matched with that of the limiting block 606, the size of the fixing block 608 is matched with that of the limiting groove 603, and the gear 605 can be conveniently fixed through the arrangement of the fixing block 608.

Further, the connecting mechanism 7 includes a flange 701, a first thread groove 702, a second thread groove 703, a positioning groove 704 and a gasket 705, one end of the output shaft 4 is provided with the flange 701, one side surface of the flange 701 is provided with the first thread groove 702, one end of the first thread groove 702 is provided with the second thread groove 703, the inner ring surface of the flange 701 is provided with the positioning groove 704, one end surface of the flange 701 is bonded with the gasket 705, the connection between the output shaft 4 and the flywheel 801 is facilitated through the arrangement of the flange 701, the first thread groove 702, the second thread groove 703, the positioning groove 704 and the gasket 705, when in use, the gasket 705 is bonded to the surface of the flange 701, the through hole of the gasket 705 is aligned with the second thread groove 703, then the flywheel 801 is placed at one end of the flange 701 and is fixed through the connecting screw 805, because the thread structures of the first thread groove 702 and the second thread groove 703 are different, therefore, the connecting screw 805 can be fixed doubly, so that the structure is more stable.

Further, the fixing mechanism 8 includes a flywheel 801, a fixing hole 802, a collar 803, a positioning block 804 and a connecting screw 805, the flywheel 801 is disposed at one end of the output shaft 4, the fixing hole 802 is disposed on the surface of the flywheel 801, the collar 803 is disposed on one side surface of the flywheel 801, the positioning block 804 is disposed on the outer ring surface of the collar 803, the connecting screw 805 penetrates through one end of the fixing hole 802, and through the arrangement of the flywheel 801, the fixing hole 802, the collar 803, the positioning block 804 and the connecting screw 805, when in use, the flywheel 801 is mounted to one end of the flange 701 through the positioning block 804 and the positioning groove 704, and then one end of the connecting screw 805 penetrates through the fixing hole 802 to be connected with the first thread groove 702 and the second thread groove 703, so that the flywheel 801 is fixed to one end of the flange 701.

Furthermore, one end of the connecting screw 805 penetrates through the fixing hole 802 to be in threaded connection with the second thread groove 703 and the first thread groove 702, the size of the positioning block 804 is matched with that of the positioning groove 704, and the stability of the flywheel 801 after installation can be improved and shaking can be avoided through the arrangement of the positioning block 804.

The working principle is as follows: firstly, welding a plurality of reinforcing ribs 5 at the joint of a shaft neck 1 and a crank arm 2, then quickly installing a gear 605 on a limit groove 603 of an extension shaft 602 through a limit block 606, then sleeving a fixing ring 607 at one end of the extension shaft 602 to enable a fixing block 608 to be embedded into the limit groove 603, then rotating a fixing nut 609 at one end of an external thread groove 604 to enable the fixing ring 607 to be attached to one side of the gear 605 under the pushing of the fixing nut 609, simultaneously fixing the gear 605, then adhering a gasket 705 on the surface of a flange plate 701 to enable a through hole of the gasket 705 to be aligned with a second thread groove 703, then installing a flywheel 801 at one end of the flange plate 701 through a positioning block 804 and a positioning groove 704, then connecting one end of a connecting screw 805 with a first thread groove 702 and a second thread groove 703 through a fixing hole 802, thereby fixing the flywheel 801 at one end of the flange plate 701 to be attached to the gasket 705, thus, a crankshaft which is easy to install is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a bent axle convenient to installation, includes axle journal (1), crank arm (2), connecting axle (3) and output shaft (4), its characterized in that: the two ends of the shaft neck (1) are provided with crank arms (2), one end of each crank arm (2) is provided with a connecting shaft (3), the other end of each crank arm (2) is provided with an output shaft (4), reinforcing ribs (5) are welded on two sides of the outer wall of the shaft neck (1), one end of each connecting shaft (3) is provided with an installing mechanism (6), one end of each output shaft (4) is provided with a connecting mechanism (7), and one end of each connecting mechanism (7) is connected with a fixing mechanism (8) through threads.

2. A crankshaft for facilitating the mounting according to claim 1, characterized in that the ribs (5) are equally spaced on the outer wall surface of the journal (1), and the other side of the ribs (5) is welded to the surface of the crank arm (2).

3. The crankshaft convenient to mount as claimed in claim 1, wherein the mounting mechanism (6) comprises a rubber ring (601), an extending shaft (602), a limiting groove (603), an external thread groove (604), a gear (605), a limiting block (606), a fixing ring (607), a fixing block (608) and a fixing nut (609), one end of the connecting shaft (3) is sleeved with the rubber ring (601), one end of the connecting shaft (3) is provided with the extending shaft (602), the surface of the extending shaft (602) is provided with the limiting groove (603), one end of the extending shaft (602) is provided with the external thread groove (604), one end of the extending shaft (602) is sleeved with the gear (605), the inner ring of the gear (605) is welded with the limiting block (606), one end of the external thread groove (604) is sleeved with the fixing ring (607), one side surface of the fixing ring (607) is provided with the fixing block (608), one end of the external thread groove (604) is connected with a fixed nut (609) in a threaded manner.

4. A crankshaft for easy assembly according to claim 3, wherein the size of the limiting groove (603) matches with the size of the limiting block (606), and the size of the fixing block (608) matches with the size of the limiting groove (603).

5. The crankshaft convenient to mount as claimed in claim 1, wherein the connecting mechanism (7) comprises a flange plate (701), a first thread groove (702), a second thread groove (703), a positioning groove (704) and a gasket (705), the flange plate (701) is arranged at one end of the output shaft (4), the first thread groove (702) is formed in one side surface of the flange plate (701), the second thread groove (703) is formed in one end of the first thread groove (702), the positioning groove (704) is formed in the inner ring surface of the flange plate (701), and the gasket (705) is bonded to one end surface of the flange plate (701).

6. The crankshaft convenient to mount as claimed in claim 1, wherein the fixing mechanism (8) comprises a flywheel (801), a fixing hole (802), a collar (803), a positioning block (804) and a connecting screw (805), the flywheel (801) is arranged at one end of the output shaft (4), the fixing hole (802) is formed in the surface of the flywheel (801), the collar (803) is arranged on the surface of one side of the flywheel (801), the positioning block (804) is arranged on the surface of the outer ring of the collar (803), and the connecting screw (805) penetrates through one end of the fixing hole (802).

7. An easily assembled crankshaft according to claim 6, wherein one end of the connecting screw (805) penetrates through the fixing hole (802) to be in threaded connection with the second thread groove (703) and the first thread groove (702), and the size of the positioning block (804) is matched with that of the positioning groove (704).