Crankshaft convenient for component replacement structure

Abstract

The utility model discloses a crankshaft convenient for component replacement structure, which comprises a crank connecting structure, a first crankshaft structure and a second crankshaft structure are detachably mounted on the crank connecting structure, the first crankshaft structure is arranged on the left side of the crank connecting structure, and the second crankshaft structure is arranged on the right side of the crank connecting structure. The crank connecting structure comprises a first crank body, a second crank body is arranged on the right side of the first crank body, a connecting neck body is detachably mounted between the second crank body and the first crank body through a first dismounting and mounting assembly, the first dismounting and mounting assembly comprises a first limiting groove, and a limiting plate is embedded in the first limiting groove; according to the crankshaft of the structure facilitating part replacement, through the arrangement of the first limiting grooves, the limiting plates, the second limiting grooves, the connecting plates and bolts, the first crankshaft body, the second crankshaft body, the connecting neck body, the first crankshaft body and a second crankshaft body in the second crankshaft assembly are disassembled and assembled; and independent disassembly and replacement are facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to crankshaft technical field, concretely is a crankshaft convenient to component replacement structure. BACKGROUND

[0002] The crankshaft is the most important component in the engine, it bears the force from the connecting rod, and changes it into the torque through the crankshaft output and drives other accessories on the engine to work, the crankshaft is acted on by the centrifugal force of rotating mass, the periodic change gas inertial force and the reciprocating inertia force, makes the crankshaft bear the bending torsional load, the existing crankshaft is a whole, when the crankshaft or other components are damaged and need to be replaced, the whole needs to be replaced, increases the use cost, and when the gear on the crankshaft is disassembled, needs to use the tool to knock off, influences the service life of the gear. SUMMARY

[0003] The utility model discloses a kind of crankshafts convenient to component replacement structure to solve the problem that the existing crankshaft is a whole in the above background art, when the crankshaft or other components are damaged and need to be replaced, the whole needs to be replaced, increases the use cost, and when the gear on the crankshaft is disassembled, needs to use the tool to knock off, influences the service life of the gear.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of crankshaft convenient to component replacement structure, including crank connecting structure, first crankshaft structure and second crankshaft structure are disassembled and installed on the crank connecting structure, first crankshaft structure is arranged on the left side of crank connecting structure, second crankshaft structure is arranged on the right side of crank connecting structure, the crank connecting structure includes first crank body, second crank body is arranged on the right side of first crank body, and the first crank body is connected with the first disassembly component between second crank body and first crank body and is disassembled and installed the neck body;

[0005] The first disassembly component includes first limiting slot, limiting plate is inlaid in the first limiting slot, and the connecting neck body is fixed between the limiting plate.

[0006] Preferably, the first crankshaft structure includes a second disassembly component, and the second disassembly component disassembles and installs the first crankshaft assembly.

[0007] Preferably, the second disassembly component includes a second limiting slot, and the connecting plate is inlaid in the second limiting slot.

[0008] By adopting the above technical scheme, the first crank body is disassembled and installed by setting the second disassembly component.

[0009] Preferably, the first crankshaft assembly includes a first crank body, the first crank body is disassembled and installed with a gear and a nut through a threaded opening, and the gear is located on one side of the nut.

[0010] By adopting the technical scheme, the gear is disassembled and assembled through the first crankshaft assembly.

[0011] Preferably, the second crankshaft structure comprises a third disassembly assembly and a second crankshaft assembly, the second crankshaft assembly is through the third disassembly assembly, and the second crankshaft structure and the first crankshaft structure are the same in structure.

[0012] By adopting the technical scheme, the second crankshaft body in the second crankshaft assembly is disassembled and assembled through the second crankshaft structure.

[0013] Compared with the prior art, the beneficial effects of the crankshaft with the component replacement structure are as follows:

[0014] (1) The first disassembly assembly and the second disassembly assembly are arranged, the first crank body, the second crank body, the connecting neck body, the first crankshaft body and the second crankshaft body in the second crankshaft assembly are disassembled and assembled through the first limiting groove, the limiting plate, the second limiting groove, the connecting plate and the bolt, and are individually disassembled and replaced, so that the use cost is saved, and the practicability is improved.

[0015] (2) The first crankshaft assembly is arranged, the gear is directly disassembled through the arrangement of the first crankshaft body, the threaded opening, the gear, the nut and the bolt, and does not need to be knocked off, so that the service life of the gear is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view structural schematic view of the utility model;

[0017] Figure 2 It is a rear view structural schematic view of the utility model;

[0018] Figure 3 It is a distribution schematic view of the first crankshaft structure on the crank connecting structure of the utility model;

[0019] Figure 4 It is a distribution three-dimensional schematic view of the first crankshaft structure and the second crankshaft structure on the crank connecting structure of the utility model.

[0020] In the drawing: 1, crank connecting structure; 11, first crank body; 12, second crank body; 13, first disassembly assembly; 131, first limiting groove; 132, limiting plate; 14, connecting neck body; 2, first crankshaft structure; 21, second disassembly assembly; 211, second limiting groove; 212, connecting plate; 22, first crankshaft assembly; 221, first crankshaft body; 222, threaded opening; 223, gear; 224, nut; 3, second crankshaft structure; 31, third disassembly assembly; 32, second crankshaft assembly. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0022] Please refer to Figures 1-4 , the present application provides a technical solution: a crankshaft with a component replacement structure as shown in Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , comprising a crank connecting structure 1, the crank connecting structure 1 comprises a first crank body 11, the right side of the first crank body 11 is provided with a second crank body 12, the second crank body 12 and the first crank body 11 are connected through a first dismounting assembly 13 and a connecting neck body 14, the first dismounting assembly 13 comprises a first limiting groove 131, the first limiting groove 131 is inlaid with a limiting plate 132, the connecting neck body 14 is fixed between the limiting plates 132;

[0023] Among them, the first limiting groove 131 is arranged on the first crank body 11 and the second crank body 12, the inner diameter of the first limiting groove 131 is the same as the outer diameter of the limiting plate 132, and the limiting plate 132 and the connecting plate 212 are arranged in a ring shape;

[0024] Specifically, four groups of threaded holes are arranged on the first crank body 11, the second crank body 12, the limiting plate 132 and the connecting plate 212, and the four groups of threaded holes are distributed equidistantly on the first crank body 11, the second crank body 12, the limiting plate 132 and the connecting plate 212;

[0025] Further, the first crank body 11, the second crank body 12, the limiting plate 132 and the connecting plate 212 are fixed through bolts;

[0026] In the above scheme, the limiting plate 132 on the connecting neck body 14 is respectively placed in the first limiting groove 131 arranged on the first crank body 11 and the second crank body 12, and the bolts are respectively penetrated through the two groups of limiting plates 132, the first crank body 11 and the second crank body 12, so as to limit and fix the connecting neck body 14.

[0027] As Figure 1 、 Figure 2 、 Figure 3As shown, the crank connecting structure 1 left side is provided with a first crank structure 2, the first crank structure 2 includes a second disassembly assembly 21, the second disassembly assembly 21 dismounts and installs a first crank assembly 22, the second disassembly assembly 21 includes a second limiting groove 211, the second limiting groove 211 is inlaid with a connecting plate 212, the first crank assembly 22 includes a first crank body 221, the first crank body 221 is dismounted and installed a gear 223 and a nut 224 through a threaded port 222, the gear 223 is located on the side of the nut 224;

[0028] Wherein, the first crank body 221 is provided with a threaded port 222, the diameter of the first crank body 221 is the same as the inner diameter of the gear 223, and the gear 223 is provided with a thread;

[0029] Specifically, the nut 224 is provided with three groups of bolts, which are distributed equidistantly on the nut 224;

[0030] In the above scheme, the connecting plate 212 on the first crank body 221 is limited in the second limiting groove 211 on the left side of the second limiting groove 211, the connecting plate 212 and the first crank body 11 are installed by the bolt, the gear 223 and the nut 224 are penetrated through the first crank body 221, the gear 223 and the nut 224 are rotated, and are fixed under the auxiliary action of the threaded port 222 on the first crank body 221, the bolt is penetrated through the hole on the nut 224, and the gear 223 and the first crank body 221 are limited and fixed to ensure stability.

[0031] As shown in Figure 1 And Figure 3 As shown, the crank connecting structure 1 is dismounted and installed with a first crank structure 2 and a second crank structure 3, the crank connecting structure 1 right side is provided with a second crank structure 3, the second crank structure 3 includes a third disassembly assembly 31 and a second crank assembly 32, the second crank assembly 32 is penetrated through the third disassembly assembly 31, and the second crank structure 3 and the first crank structure 2 are the same structure;

[0032] Wherein, the volume of the gear 223 in the second crank assembly 32 is smaller than that of the gear 223 in the first crank assembly 22;

[0033] In the above scheme, the second crank body 12 is disassembled under the auxiliary action of the third disassembly assembly 31, and the gear 223 in the second crank assembly 32 is disassembled through the setting of the second crank assembly 32.

[0034] Working principle: when the crankshaft using the convenient component replacement structure is used, the first crank body 11, the second crank body 12 and the connecting neck body 14 are disassembled through the setting of the crank connecting structure 1, the first crank assembly 22 is disassembled and the gear 223 is protected through the setting of the first crank structure 2, and the right first crank assembly 22 is also disassembled and the gear 223 is protected through the setting of the second crank structure 3.

[0035] The terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only a simplified description for the convenience of describing the utility model, and does 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 cannot be understood as a limitation on the protection scope of the utility model.

[0036] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A crankshaft facilitating replacement of a component structure, comprising a crank connecting structure (1), a first crankshaft structure (2) and a second crankshaft structure (3) being detachably installed on the crank connecting structure (1), the first crankshaft structure (2) being arranged on the left side of the crank connecting structure (1), and the second crankshaft structure (3) being arranged on the right side of the crank connecting structure (1), characterized in that, The crank connecting structure (1) comprises a first crank body (11), a second crank body (12) is arranged on the right side of the first crank body (11), and the first crank body (11) and the second crank body (12) are connected with the connecting neck body (14) through the first dismounting assembly (13). The first dismounting assembly (13) comprises first limiting grooves (131), limiting plates (132) are inlaid in the first limiting grooves (131), and the connecting neck body (14) is fixed between the limiting plates (132).

2. The crankshaft of claim 1, wherein: The first crank structure (2) comprises a second dismounting assembly (21), and the second dismounting assembly (21) is used for dismounting and mounting the first crank assembly (22).

3. The crankshaft of claim 2, wherein: The second dismounting assembly (21) comprises second limiting grooves (211), and connecting plates (212) are inlaid in the second limiting grooves (211).

4. The crankshaft of claim 2, wherein: The first crank assembly (22) comprises a first crank body (221), gears (223) and nuts (224) are dismounted and mounted on the first crank body (221) through threaded openings (222), and the gears (223) are located on one side of the nuts (224).

5. The crankshaft of claim 1, wherein: The second crank structure (3) comprises a third dismounting assembly (31) and a second crank assembly (32), the second crank assembly (32) penetrates through the third dismounting assembly (31), and the second crank structure (3) and the first crank structure (2) are the same in structure.

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