Unbalanced flywheel

Abstract

The utility model discloses an unbalanced type flywheel which comprises a flywheel body, flanges are fixedly connected to the two end faces of the flywheel body, flange holes are formed in the flanges, sliding grooves are formed in the two end faces of the flywheel body, sliding rods are fixedly connected to the inner walls of the sliding grooves, sliding blocks are connected to the outer walls of the sliding rods in a sliding mode, and the sliding blocks are connected to the outer walls of the sliding rods in a sliding mode. A mounting groove is formed in the top of the sliding block, a balance block is movably connected into the mounting groove, a positioning hole is formed in the flange, second limiting holes are formed in the two ends of the top of the sliding block, a first limiting hole is formed in the outer wall of the sliding groove, and a first mounting hole is formed in the inner wall of the mounting groove; the gravity center of the flywheel body can be adjusted by adjusting the installation positions of the sliding blocks in the sliding grooves or adjusting the installation number of the balance blocks on the sliding blocks, so that the unbalanced flywheel can be suitable for various vehicle types, and the applicability of the unbalanced flywheel is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts, especially relates to an unbalanced flywheel. BACKGROUND

[0002] The automobile flywheel is an important part installed at the rear end of the engine crankshaft, usually presents as a large disc, has a large rotational inertia, is connected to the rear end of the crankshaft through bolts or keys, rotates together with the crankshaft, stores and releases energy in the working process of the engine to smooth the rotational speed fluctuation of the crankshaft, and provides necessary inertial force to enable the engine to smoothly complete each working stroke.

[0003] The unbalanced flywheel with the patent application number "201620992458.4" includes a flywheel body and an unbalanced groove arranged on the flywheel body, the unbalanced groove is used to generate an unbalanced force during rotation of the flywheel body, the center of gravity of the flywheel is offset through the unbalanced groove, so that an unbalanced force is generated during rotation, the unbalanced force eliminates the unbalanced torque and bending moment generated during high-speed operation of the whole composed of the flywheel and the crankshaft, and thus the stability of automobile operation is improved.

[0004] However, the flywheel has the following problems in use. The groove size of the flywheel is fixed, and only when the flywheel is connected with a specific crankshaft, the flywheel can improve the balance of automobile operation, and the applicability is poor. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an unbalanced flywheel, and solves the problem that the groove size of the existing flywheel is fixed, only when the flywheel is connected with a specific crankshaft, the flywheel can improve the balance of automobile operation, and the applicability is poor.

[0006] To achieve the above object, an unbalanced flywheel is provided, which includes a flywheel body, flanges fixedly connected to both end faces of the flywheel body, flange holes formed in the flanges, sliding grooves formed in both end faces of the flywheel body, sliding rods fixedly connected to inner walls of the sliding grooves, sliding blocks slidingly connected to outer walls of the sliding rods, mounting grooves formed in the top of the sliding blocks, and balancing blocks movably connected to the mounting grooves. The center of gravity of the flywheel body can be adjusted, the stability of automobile operation is improved, the unbalanced flywheel can be applied to various vehicle models, and the applicability of the unbalanced flywheel is improved.

[0007] According to the unbalanced flywheel, positioning holes are formed in the flanges, so that the flywheel body can be positioned.

[0008] According to the unbalanced flywheel, the through holes are arranged at the two ends of the side surface of the sliding block, and the sliding block is slidably connected with the outer wall of the sliding rod through the through holes, so that the sliding of the sliding block is facilitated.

[0009] According to the unbalanced flywheel, the limiting holes two are arranged at the two ends of the top of the sliding block, the limiting hole one is arranged on the outer wall of the sliding groove, the limiting hole one and the limiting hole two are matched in shape and size, the inner wall of the limiting hole two is provided with threads, and the limiting hole two is matched with the fixing bolt through the threads, so that the position of the sliding block is fixed.

[0010] According to the unbalanced flywheel, the balancing block is movably connected with the inner wall of the mounting groove, and the mounting of the balancing block is facilitated.

[0011] According to the unbalanced flywheel, the mounting hole one is arranged on the inner wall of the mounting groove, the mounting hole two is arranged at the two ends of the balancing block, the mounting hole one and the mounting hole two are matched in shape and size, the inner wall of the mounting hole two is provided with threads, and the mounting hole two is matched with the fixing bolt through the threads, so that the balancing block is fixed, and the stability of the mounting of the balancing block is improved.

[0012] The unbalanced flywheel has the beneficial effects that the sliding groove is arranged on the end surface of the flywheel, the sliding rod is arranged on the inner wall of the sliding groove, the sliding block slides in the sliding groove through the sliding rod, the position of the sliding block is adjusted, the sliding block is fixed through the fixing bolt, the mounting groove is arranged on the top of the sliding block, the balancing block is mounted in the mounting groove, the position of the sliding block or the number of the balancing blocks is adjusted to adjust the gravity center of the flywheel body, the flywheel body can be applied to various vehicle types, and the applicability of the unbalanced flywheel is improved.

[0013] The additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model will be further explained in connection with the drawings and embodiments;

[0015] Figure 1 It is the structure schematic diagram of the utility model unbalanced flywheel;

[0016] Figure 2 It is the partial sectional view of the utility model unbalanced flywheel;

[0017] Figure 3 It is the three-dimensional structure schematic diagram of the sliding block of the utility model unbalanced flywheel;

[0018] Figure 4 It is a three-dimensional structure schematic view of the balancing block of the unbalanced flywheel.

[0019] Legend:

[0020] 1, flywheel body; 2, flange; 3, flange hole; 4, positioning hole; 5, sliding groove; 6, sliding rod; 7, limiting hole one; 8, sliding block; 9, through hole; 10, limiting hole two; 11, mounting groove; 12, mounting hole one; 13, balancing block; 14, mounting hole two. DETAILED DESCRIPTION

[0021] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0022] Reference Figures 1-4 , the utility model embodiment unbalanced flywheel, it includes: flywheel body 1, both ends of flywheel body 1 are fixedly connected with flange 2, and flange hole 3 is all set up on flange 2, and both ends of flywheel body 1 are set up with sliding groove 5, the inner wall of sliding groove 5 is all fixedly connected with sliding rod 6, and the outer wall of sliding rod 6 is slidably connected with sliding block 8, the top of sliding block 8 is set up with mounting groove 11, and balancing block 13 is movably connected in the inside of mounting groove 11, the installation position of sliding block 8 in sliding groove 5 and the installation quantity of balancing block 13 in the mounting groove 11 on the top of sliding block 8 are all adjusted, the gravity of flywheel body 1 can be adjusted, the gravity of flywheel body 1 can be adjusted according to different vehicle types by the cooperation of two kinds of ways, and the applicability of the flywheel body 1 is improved.

[0023] The positioning hole 4 is arranged on the flange 2, the through hole 9 is arranged at the both ends of the side of the sliding block 8, the sliding block 8 is slidably connected with the outer wall of the sliding rod 6 through the through hole 9, the sliding rod 6 can guide and limit the sliding block 8, and the stability of the sliding block 8 during movement is improved, the limiting hole two 10 is arranged at the both ends of the top of the sliding block 8, the limiting hole one 7 is arranged on the outer wall of the sliding groove 5, the limiting hole one 7 and the limiting hole two 10 are matched with each other in shape and size, the inner wall of the limiting hole two 10 is provided with threads, the limiting hole two 10 is matched with the fixing bolt through the threads, the limiting hole two 10 at the top of the sliding block 8 is correspondingly inserted into the limiting hole one 7 at the corresponding position of the top of the sliding groove 5 and is fastened by the fixing bolt, the position of the sliding block 8 can be fixed, the sliding block 8 is prevented from loosening when the flywheel body 1 rotates, the balancing block 13 and the mounting groove 11 are matched with each other in shape and size, the balancing block 13 is movably connected with the inner wall of the mounting groove 11, the mounting hole one 12 is arranged on the inner wall of the mounting groove 11, the mounting hole two 14 is arranged at the both ends of the balancing block 13, the mounting hole one 12 and the mounting hole two 14 are matched with each other in shape and size, the inner wall of the mounting hole two 14 is provided with threads, the mounting hole two 14 is matched with the fixing bolt through the threads, when the balancing block 13 is mounted, the mounting hole two 14 at the both ends of the balancing block 13 is correspondingly inserted into the mounting hole one 12 and is fastened by the fixing bolt, the mounting of the balancing block 13 is completed, and then the balancing block 13 can be prevented from falling off when the flywheel body 1 rotates, and the stability of the mounting of the balancing block 13 is improved.

[0024] Working principle: when the gravity center of the flywheel body 1 needs to be adjusted, the position of the sliding block 8 can be changed, the fixing bolt in the limiting hole one 7 and the limiting hole two 10 is taken out, the sliding block 8 can be slid on the sliding rod 6, the limiting hole one 7 on the sliding groove 5 is correspondingly inserted into the limiting hole two 10 at the top of the sliding block 8 and is fastened by the fixing bolt when the sliding block 8 is slid to the specified position, and then the gravity center of the flywheel body 1 can be adjusted, the gravity center of the flywheel body 1 can also be adjusted by mounting different numbers of balancing blocks 13 in the mounting groove 11 at the top of the sliding block 8, and the flywheel body 1 can be applied to various vehicle models in cooperation of the two modes, and the applicability of the unbalanced flywheel is improved.

[0025] The embodiments of the utility model are explained in detail in combination with the drawings above, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. An unbalanced flywheel, comprising: The flywheel body (1) is characterized in that flanges (2) are fixedly connected to both ends of the flywheel body (1), flange holes (3) are provided on both ends of the flanges (2), sliding grooves (5) are provided on both ends of the flywheel body (1), sliding rods (6) are fixedly connected to the inner walls of the sliding grooves (5), sliding blocks (8) are slidably connected to the outer walls of the sliding rods (6), and mounting grooves (11) are provided on the top of the sliding blocks (8), and balance blocks (13) are movably connected inside the mounting grooves (11).

2. An unbalanced flywheel according to claim 1, characterized in that, The flange (2) is provided with a positioning hole (4).

3. An unbalanced flywheel according to claim 1, characterized in that, The slider (8) has through holes (9) at both ends of its side surface, and the slider (8) is slidably connected to the outer wall of the slide rod (6) through the through holes (9).

4. An unbalanced flywheel according to claim 1, characterized in that, The top two ends of the slider (8) are provided with limiting holes two (10), and the outer wall of the slide groove (5) is provided with limiting holes one (7). The shape and size of the limiting hole one (7) are matched with the shape and size of the limiting hole two (10). The inner wall of the limiting hole two (10) is provided with threads, and the limiting hole two (10) is engaged with the fixing bolt through the threads.

5. An unbalanced flywheel according to claim 1, characterized in that, The shape and size of the balance block (13) are matched with the shape and size of the mounting groove (11), and the balance block (13) is movably connected to the inner wall of the mounting groove (11).

6. An unbalanced flywheel according to claim 1, characterized in that, The inner wall of the mounting groove (11) is provided with mounting hole one (12), and the two ends of the balance block (13) are provided with mounting hole two (14). The shapes and sizes of mounting hole one (12) and mounting hole two (14) are matched with each other, and the inner wall of mounting hole two (14) is provided with thread. Mounting hole two (14) is engaged with fixing bolt through thread.

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