High-precision automobile engine balance block

Abstract

The utility model discloses a high-precision automobile engine balance weight which comprises a transmission ring, a bottom ring body, fixing columns, fixing holes, arc-shaped pieces, a counter weight frame, fixing pieces, adjusting notches, adjusting columns and adjusting blocks. The fixing holes are evenly formed in the top of the transmission ring, the fixing columns are connected into the fixing holes in a threaded fit mode, and the arc-shaped pieces are arranged on the arc-shaped pieces. The fixing columns are sleeved with through grooves evenly formed in the bottom ring body, and the bottom ring body is attached to the top of the transmission ring. During assembly, the fixing columns penetrate through the through grooves evenly formed in the bottom ring body and are connected into the fixing holes in the transmission ring in a matched mode, relative fixation of the transmission ring and the counter weight frame is achieved, the position of the counter weight structure relative to a transmission plane can be adjusted conveniently according to actual requirements, and the complex actual use requirements are met; the practicability of the balance block is improved; the centrifugal moment of the balance block can be adjusted by rotating the adjusting column under the condition that the rotating speed of the motor is not changed, and the universality of the balance block is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of engine counterweight balance, in particular to a high-precision automobile engine balance weight. Background Art

[0002] An engine balance weight is an element used to balance the rotating mass of mechanical equipment (especially an engine), usually a mass block fixed on the equipment and capable of moving; it achieves the balance effect by adjusting the center of gravity position of the mechanical equipment; according to the material, the engine balance weight can be divided into various types, among which the cast iron balance weight is widely used in automobile engines due to its performance characteristics such as high strength, high hardness, and good wear resistance. The existing engine balance weights can basically meet the daily use requirements, but a flat key transmission is required before the balance weight and the engine output. The counterweight position of the balance weight is relatively fixed, making it difficult to meet different use requirements and affecting the practicability of the balance weight; moreover, the structure of the balance weight is simple, and when the transmission speed remains unchanged, the centrifugal moment generated during rotation is relatively fixed, thus affecting the versatility of the balance weight; therefore, it is very necessary to design a high-precision automobile engine balance weight. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a high-precision automobile engine balance weight to solve the problems that a flat key transmission is required before the existing balance weight and the engine output, the counterweight position of the balance weight is relatively fixed, making it difficult to meet different use requirements and affecting the practicability of the balance weight; moreover, the structure of the balance weight is simple, and when the transmission speed remains unchanged, the centrifugal moment generated during rotation is relatively fixed, thus affecting the versatility of the balance weight.

[0004] To solve the above technical problems, the utility model provides the following technical solution: A high-precision automobile engine balance weight, comprising a transmission ring, a bottom ring body, fixing columns, fixing holes, an arc-shaped member, a counterweight frame, a top ring body, fixing bolts, a cross plate, fixing members, adjusting notch, adjusting columns, adjusting blocks, limiting strips, a transmission plane, a bottom plane, a top plane, and connection holes. Fixing holes are evenly opened at the top of the transmission ring, and fixing columns are connected to the fixing holes through thread fit, and the fixing columns are sleeved in through grooves evenly opened on the bottom ring body. The bottom ring body is attached to the top of the transmission ring, and the bottom ring body is fixed to the inner wall of the arc-shaped member. The arc-shaped member is fixed to the counterweight frame. An adjusting notch is opened in the counterweight frame, and connection holes are evenly opened on the counterweight frame. One end of the adjusting column is rotatably connected to the connection hole, and an adjusting block is connected to the adjusting column through thread fit. The adjusting block is located inside the adjusting notch.

[0005] As a further technical solution of the utility model, a top ring body is arranged at the top of the transmission ring, and the top ring body is slidably connected to the top of the arc-shaped member.

[0006] As a further technical solution of the present utility model, fixing bolts are fitted and connected in the symmetrically opened threads on one side of the arc-shaped member, and the fixing bolts are sleeved in the through holes symmetrically opened in the cross plate.

[0007] As a further technical solution of the present utility model, the cross plates are symmetrically welded on the fixing members, and the fixing members are attached to the outer wall of the transmission ring.

[0008] As a further technical solution of the present utility model, the other end of the adjusting column is rotatably connected in the through hole opened in the counterweight frame.

[0009] As a further technical solution of the present utility model, a limiting strip is fixedly sleeved in the adjusting block, and the limiting strip is attached to the counterweight frame.

[0010] As a further technical solution of the present utility model, transmission planes, bottom planes and top planes are respectively arranged on the inner walls of the transmission ring, the bottom ring body and the top ring body.

[0011] A high-precision automobile engine balance block provided by the present utility model has the following advantages: by using the arc-shaped member as the connection part between the transmission ring and the counterweight frame, after the fixing column passes through the through slots uniformly opened in the bottom ring body and is fitted and connected in the fixing holes on the transmission ring, the relative fixation of the transmission ring and the counterweight frame is realized, which is convenient to adjust the position of the counterweight structure relative to the transmission plane according to actual needs, meets the complex actual use requirements, and improves the practicability of the balance block; the adjusting block is supported by the adjusting column rotatably connected to the counterweight frame, and at the same time, the cross plate on the adjusting block is used to limit the adjusting block. By rotating the adjusting column, the adjusting block can be driven to approach or move away from the transmission ring along the adjusting column by the mutual cooperation of the adjusting block and the adjusting column, and the centrifugal moment of the balance block can be adjusted under the condition that the motor speed remains unchanged, thereby improving the versatility of the balance block. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0013] Figure 1 It is a three-dimensional structure diagram of the present utility model;

[0014] Figure 2 It is a bottom view structure diagram of the present utility model;

[0015] Figure 3 It is an exploded view of the overall structure of the present utility model.

[0016] In the figure: 1, transmission ring; 2, bottom ring body; 3, fixed column; 4, fixing hole; 5, arc-shaped member; 6, counterweight frame; 7, top ring body; 8, fixing bolt; 9, cross plate; 10, fixing member; 11, adjustment notch; 12, adjustment column; 13, adjustment block; 14, limiting strip; 15, transmission plane; 16, bottom plane; 17, top plane; 18, connection hole. Specific implementation manner

[0017] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0018] In the description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0019] Please refer to the attached Figure 1 - attached Figure 3, an embodiment provided by the present utility model: a high-precision automotive engine balance weight, including a transmission ring 1, a bottom ring body 2, a fixing column 3, a fixing hole 4, an arc-shaped member 5, a counterweight frame 6, a top ring body 7, a fixing bolt 8, a cross plate 9, a fixing member 10, an adjustment notch 11, an adjustment column 12, an adjustment block 13, a limiting strip 14, a transmission plane 15, a bottom plane 16, a top plane 17 and a connection hole 18. Fixing holes 4 are evenly opened at the top of the transmission ring 1. A fixing column 3 is connected to the fixing holes 4 through thread fit, and the fixing column 3 is sleeved in the through grooves evenly opened on the bottom ring body 2. The bottom ring body 2 is attached to the top of the transmission ring 1, and the bottom ring body 2 is fixed to the inner wall of the arc-shaped member 5. The arc-shaped member 5 is fixed to the counterweight frame 6. An adjustment notch 11 is opened in the counterweight frame 6, and connection holes 18 are evenly opened on the counterweight frame 6. One end of an adjustment column 12 is rotatably connected to the connection hole 18. An adjustment block 13 is connected to the adjustment column 12 through thread fit. The adjustment block 13 is located inside the adjustment notch 11. A top ring body 7 is arranged at the top of the transmission ring 1, and the top ring body 7 is slidably connected to the top of the arc-shaped member 5. Fixing bolts 8 are connected to the threads symmetrically opened on one side of the arc-shaped member 5, and the fixing bolts 8 are sleeved in the through holes symmetrically opened on the cross plate 9. The cross plate 9 is symmetrically welded to the fixing member 10, and the fixing member 10 is attached to the outer wall of the transmission ring 1. The other end of the adjustment column 12 is rotatably connected to the through hole opened in the counterweight frame 6. A limiting strip 14 is fixedly sleeved in the adjustment block 13, and the limiting strip 14 is attached to the counterweight frame 6. Transmission planes 15, bottom planes 16 and top planes 17 are respectively arranged on the inner walls of the transmission ring 1, the bottom ring body 2 and the top ring body 7. The transmission plane 15, the bottom plane 16 and the top plane 17 together constitute the key transmission connection part of the engine shaft, which can drive the balance weight to rotate during the operation of the engine;

[0020] Specifically, during use, first, by using the arc-shaped member 5 as the connection part between the transmission ring 1 and the counterweight frame 6, after the fixing column 3 passes through the through grooves evenly opened on the bottom ring body 2 and is connected to the fixing holes 4 on the transmission ring 1 through fit, the relative fixation of the transmission ring 1 and the counterweight frame 6 is realized, which is convenient for adjusting the position of the counterweight structure relative to the transmission plane 15 according to actual needs, meeting the complex actual use requirements and improving the practicability of the balance weight; the adjustment column 12 rotatably connected to the counterweight frame 6 supports the adjustment block 13, and at the same time, the cross plate 9 on the adjustment block 13 limits the adjustment block 13. By rotating the adjustment column 12, the adjustment block 13 can be driven to move closer to or away from the transmission ring 1 along the adjustment column 12 by the mutual cooperation of the adjustment block 13 and the adjustment column 12, and the centrifugal moment of the balance weight can be adjusted under the condition that the motor speed remains unchanged, thereby improving the versatility of the balance weight.

[0021] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0022] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art can understand and implement it without creative efforts.

[0023] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and are not intended to limit them. Although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements for some of the technical features. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A high-precision automotive engine balance weight, comprising a transmission ring (1), a bottom ring body (2), a fixing column (3), a fixing hole (4), an arc-shaped member (5), a counterweight frame (6), a top ring body (7), fixing bolts (8), a cross plate (9), a fixing member (10), an adjustment notch (11), an adjustment column (12), an adjustment block (13), a limiting strip (14), a transmission plane (15), a bottom plane (16), a top plane (17) and a connection hole (18), characterized in that: The top of the transmission ring (1) is evenly provided with fixing holes (4), and fixing columns (3) are connected in the fixing holes (4) by screw fit. The fixing columns (3) are sleeved in the through grooves evenly arranged on the bottom ring body (2). The bottom ring body (2) is attached to the top of the transmission ring (1), and the bottom ring body (2) is fixed to the inner wall of the arc-shaped member (5). The arc-shaped member (5) is fixed to the counterweight frame (6). An adjustment notch (11) is provided in the counterweight frame (6), and connection holes (18) are evenly provided on the counterweight frame (6). One end of an adjustment column (12) is rotatably connected to the connection hole (18). An adjustment block (13) is connected to the adjustment column (12) by screw fit. The adjustment block (13) is located inside the adjustment notch (11).

2. The high-precision automotive engine balance weight according to claim 1, wherein: A top ring body (7) is provided on the top of the transmission ring (1), and the top ring body (7) is slidably connected to the top of the arc-shaped member (5).

3. The high-precision automotive engine balance weight according to claim 2, characterized in that: Fixing bolts (8) are connected in the threads symmetrically provided on one side of the arc-shaped member (5), and the fixing bolts (8) are sleeved in the through holes symmetrically provided on the cross plate (9).

4. The high-precision automotive engine balance weight according to claim 3, wherein: The cross plate (9) is symmetrically welded to the fixing member (10), and the fixing member (10) is attached to the outer wall of the transmission ring (1).

5. A high-precision automotive engine balance weight according to claim 1, characterized in that: The other end of the adjustment column (12) is rotatably connected to a through hole provided in the counterweight frame (6).

6. The high-precision balance weight for an automotive engine according to claim 1, wherein: A limiting strip (14) is fixedly sleeved in the adjustment block (13), and the limiting strip (14) is attached to the counterweight frame (6).

7. The high-precision balance weight for an automotive engine according to claim 1, wherein: Transmission planes (15), bottom planes (16) and top planes (17) are respectively provided on the inner walls of the transmission ring (1), the bottom ring body (2) and the top ring body (7).

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