CN213360822U - Engine crankshaft - Google Patents

Abstract

The utility model discloses an engine crankshaft, through when the axostylus axostyle rotates, drive the axle sleeve carries out circular motion, thereby drives the connecting rod supports and holds branch, the branch is to two of being connected with it the effort is applyed to support piece, makes two support piece winds the horizontal pole rotates, thereby drives the support body winds branch promotes, and along with the rotation of axostylus axostyle can realize the support body winds branch promotes or descends, because the piston rod is connected to the support body to this control piston is at the inside removal of cylinder body, through the horizontal pole the axle sleeve the connecting rod the lantern ring support piece branch with mutually supporting between the support body can effectively promote the job stabilization nature of bent axle.

Description

Engine crankshaft

Technical Field

The utility model relates to the technical field of engines, especially, relate to an engine crankshaft.

Background

The crankshaft is the most important component in the engine. It takes the force from the connecting rod and converts it into torque to be output by the crankshaft and drive other accessories on the engine. The crankshaft is subjected to the combined action of centrifugal force of the rotating mass, gas inertia force of periodic variation and reciprocating inertia force, so that the crankshaft is subjected to the action of bending and twisting load. But the working stability of the existing crankshaft is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an engine crankshaft aims at solving the relatively poor technical problem of bent axle job stabilization nature among the prior art.

In order to achieve the above object, the present invention provides an engine crankshaft, comprising a shaft rod and two cross rods, wherein the two cross rods are symmetrically disposed at two sides of the shaft rod, the shaft rod is provided with two recesses, each of the recesses is provided with two sets of transmission components, and the two sets of transmission components are sequentially and alternately disposed in the recesses, each set of transmission components comprises a shaft sleeve, a connecting rod, a sleeve ring, a supporting member, a supporting rod and a frame body, the shaft sleeve is rotatably connected with the shaft rod and sleeved outside the shaft rod, one end of the connecting rod is fixedly connected with the shaft sleeve, the other end of the connecting rod is fixedly connected with the sleeve ring, the sleeve ring is sleeved outside the supporting rod, the number of the supporting members is two, the two supporting members are rotatably connected with the cross rods, and two ends of the supporting rod are respectively fixedly connected with the two supporting members, the frame body is rotatably connected with the support rod.

The engine crankshaft further comprises a rotating sleeve and a rod body, the rotating sleeve is in clearance fit with the shaft rod and is located outside the shaft rod, one end of the rod body is fixedly connected with the rotating sleeve, and the other end of the rod body is fixedly connected with the cross rod.

Wherein, the rod body is provided with a through hole.

Wherein each support member has a recessed groove thereon.

The support body comprises a first plate body and two second plate bodies, the two second plate bodies are respectively connected with the supporting rod in a rotating mode, and two ends of the first plate body are respectively fixedly connected with the two second plate bodies and located between the two plate bodies.

The shaft lever is provided with an adaptive groove, the shaft sleeve is arranged in the adaptive groove, and two ends of the shaft sleeve are respectively abutted against the inner wall of the adaptive groove.

The beneficial effects of the utility model are embodied in: when the shaft rod rotates, the shaft sleeve is driven to do circular motion, so that the connecting rod is driven to abut against the supporting rod, the supporting rod exerts acting force on the two supporting pieces connected with the supporting rod, the two supporting pieces rotate around the transverse rod, the support body is driven to lift around the supporting rod, the support body can lift or descend around the supporting rod along with the rotation of the shaft rod, the support body is connected with the piston rod, the piston rod is connected with the support body, the piston moves in the cylinder body, and the working stability of the crankshaft can be effectively improved through the mutual matching of the transverse rod, the shaft sleeve, the connecting rod, the lantern ring, the supporting pieces, the supporting rod and the support body.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an engine crankshaft of the present invention.

Fig. 2 is an enlarged view of a portion of the structure of fig. 1 according to the present invention.

Fig. 3 is a side view of an engine crankshaft of the present invention.

Fig. 4 is a cross-sectional view of the a-a line structure of fig. 3 according to the present invention.

1-shaft lever, 11-concave part, 12-adaptive groove, 2-cross bar, 3-transmission component, 31-shaft sleeve, 32-connecting rod,

33-a lantern ring, 34-a supporting piece, 341-a concave groove, 35-a supporting rod, 36-a frame body, 361-a first plate body, 362-a second plate body, 4-a rotating sleeve, 5-a rod body and 51-a through hole.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 4, the present invention provides an engine crankshaft, including a shaft rod 1 and two cross rods 2, the two cross rods 2 are symmetrically disposed on two sides of the shaft rod 1, the shaft rod 1 has two recesses 11, each recess 11 is provided with two sets of transmission assemblies 3, and the two sets of transmission assemblies 3 are sequentially disposed in the recesses 11 in a staggered manner, each set of transmission assemblies 3 includes a shaft sleeve 31, a connecting rod 32, a collar 33, a support member 34, a support rod 35 and a frame 36, the shaft sleeve 31 is rotatably connected with the shaft rod 1 and sleeved outside the shaft rod 1, one end of the connecting rod 32 is fixedly connected with the shaft sleeve 31, the other end of the connecting rod 32 is fixedly connected with the collar 33, the collar 33 is sleeved outside the support rod 35, the number of the support member 34 is two, the two support members 34 are rotatably connected with the cross rods 2, the two ends of the supporting rod 35 are respectively fixedly connected with the two supporting pieces 34, and the frame body 36 is rotatably connected with the supporting rod 35.

In this embodiment, the frame body 36 is connected to a piston rod, two sets of transmission assemblies 3 are disposed in each recess 11, and the two sets of transmission assemblies 3 are sequentially and alternately disposed in the recess 11, and when the shaft rod 1 rotates, the shaft sleeve 31 is driven to perform circular motion, so as to drive the connecting rod 32 to abut against the supporting rod 35, the supporting rod 35 applies an acting force to the two supporting members 34 connected to the supporting rod 35, so that the two supporting members 34 rotate around the cross rod 2, so as to drive the frame body 36 to lift around the supporting rod 35, and along with the rotation of the shaft rod 1, the frame body 36 can lift or descend around the supporting rod 35, and because the frame body 36 is connected to the piston rod, the piston rod is connected to control the movement of the piston in the cylinder body, and the piston rod, the shaft sleeve 31, the cross rod 2, the shaft sleeve 31, and the piston, The connecting rod 32, the lantern ring 33, the supporting piece 34, the supporting rod 35 and the frame body 36 are mutually matched, so that the working stability of the crankshaft can be effectively improved.

Further, the engine crankshaft further comprises a rotating sleeve 4 and a rod body 5, the rotating sleeve 4 is in clearance fit with the shaft rod 1 and is located outside the shaft rod 1, one end of the rod body 5 is fixedly connected with the rotating sleeve 4, and the other end of the rod body 5 is fixedly connected with the cross rod 2.

In this embodiment, the rotating sleeve 4 is sleeved outside the shaft rod 1, and the rod body 5 connects the rotating sleeve 4 and the cross rod 2, so that the position between the cross rod 2 and the shaft rod 1 is fixed, the stability of the cross rod 2 is ensured, and the stability of the overall structure of the engine crankshaft is improved.

Further, the rod body 5 has a through hole 51. Each of the supporters 34 has a recess 341 formed therein.

In the present embodiment, by providing the through-hole 51 in the rod body 5 and the recessed groove 341 in the stay 34, the weight of the rod body 5 and the stay 34 can be reduced, and the weight of the engine crankshaft as a whole can be reduced.

Further, the frame body 36 includes a first plate body 361 and two second plate bodies 362, two of the second plate bodies 362 are respectively connected with the support rod 35 in a rotating manner, and two ends of the first plate body 361 are respectively fixedly connected with the two second plate bodies 362 and located between the two plate bodies.

In this embodiment, one end of each second plate 362 is rotatably connected to the cross bar 2, one end of each second plate 362 is fixedly connected to the first plate 361, the first plate 361 is located between the two second plates 362, and the middle of the first plate 361 is fixedly connected to the piston rod.

Furthermore, the shaft rod 1 is provided with an adapting groove 12, the shaft sleeve 31 is arranged in the adapting groove 12, and two ends of the shaft sleeve 31 are respectively abutted against the inner wall of the adapting groove 12.

In the present embodiment, the shaft rod 1 is provided with the adapting groove 12, and the adapting groove 12 is located in the recessed portion 11, and the installation position of the shaft sleeve 31 can be limited by the arrangement of the adapting groove 12, so that the shaft sleeve 31 cannot easily shake or move, and the working stability of the engine crankshaft is improved.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (6)

1. An engine crankshaft, characterized in that,

including axostylus axostyle and two horizontal poles, two horizontal pole symmetries set up the both sides of axostylus axostyle, two depressed parts have on the axostylus axostyle, every all be provided with two sets of drive assembly in the depressed part, and two sets of drive assembly is crisscross the setting in proper order in the depressed part, every group drive assembly includes axle sleeve, connecting rod, the lantern ring, support piece, branch and support body, the axle sleeve with the axostylus axostyle rotates to the cover is established the outside of axostylus axostyle, the one end of connecting rod with axle sleeve fixed connection, the other end of connecting rod with lantern ring fixed connection, just the lantern ring cover is established the outside of branch, support piece's quantity is two, two support piece with the horizontal pole rotates to be connected, the both ends of.

2. The engine crankshaft of claim 1,

the engine crankshaft further comprises a rotating sleeve and a rod body, the rotating sleeve is in clearance fit with the shaft rod and is located outside the shaft rod, one end of the rod body is fixedly connected with the rotating sleeve, and the other end of the rod body is fixedly connected with the cross rod.

3. The engine crankshaft of claim 2,

the rod body is provided with a through hole.

4. The engine crankshaft of claim 1,

each support member has a recessed groove thereon.

5. The engine crankshaft of claim 1,

the support body includes first plate body and two second plate bodies, two the second plate body respectively with branch rotates to be connected, the both ends of first plate body respectively with two second plate body fixed connection, and be located two between the plate body.

6. The engine crankshaft of claim 1,

the shaft lever is provided with an adaptive groove, the shaft sleeve is arranged in the adaptive groove, and two ends of the shaft sleeve are respectively abutted against the inner wall of the adaptive groove.

Images