Tap-type engine crankshaft

Abstract

The utility model discloses a branching type engine crankshaft which comprises a crankshaft assembly, the crankshaft assembly comprises a main journal, balance blocks are arranged outside the main journal, connecting rod journals are fixedly connected between every two adjacent balance blocks, and lubricating oil holes are formed in the surfaces of the connecting rod journals. The surface of the balance block located on the left side is fixedly connected with a front end, the surface of the balance block located on the right side is fixedly connected with an output end, butt joint sleeves are inserted into the ends of the front end and the output end, and the back faces of the butt joint sleeves are fixedly connected with connecting discs. By means of the cleaning assembly, after the motor drives the connecting disc to rotate, the crankshaft assembly can rotate, dust attached to the surface of a crankshaft is brushed away through a cleaning brush, oil dirt on the surface of the crankshaft is scraped away through a dirt scraping piece, and the balance block and oil wiping cloth are in continuous friction contact, so that the oil dirt on the surface of the crankshaft is wiped away by the oil wiping cloth; and rapid and comprehensive cleaning work on the crankshaft assembly is completed.

Description

Technical Field

[0001] The utility model relates to the field of engine crankshafts, and more specifically, to a split type engine crankshaft. Background Art

[0002] The crankshaft is the most important component in an engine. It bears the force transmitted by the connecting rod, converts it into torque and outputs it through the crankshaft to drive other accessories on the engine to work.

[0003] The following problems exist in the prior art:

[0004] In the prior art, the engine crankshaft is installed in the crankcase. Due to the closed environment, after being used for a period of time, a lot of dust and oil stains will adhere to its surface. After the crankshaft is removed, people cannot quickly clean and maintain the crankshaft. Summary of the Utility Model

[0005] In view of the problems in the related art, the present utility model provides a split type engine crankshaft to overcome the above technical problems existing in the prior related art.

[0006] For this purpose, the specific technical solution adopted by the present utility model is as follows:

[0007] A split type engine crankshaft includes a crankshaft assembly. The crankshaft assembly includes a main journal. A balance weight is arranged outside the main journal. A connecting rod journal is fixedly connected between two adjacent groups of the balance weights. A lubricating oil hole is opened on the surface of the connecting rod journal. A front end is fixedly connected to the surface of the balance weight on the left side, and an output end is fixedly connected to the surface of the balance weight on the right side. A docking sleeve is inserted into the ends of the front end and the output end. A connecting plate is fixedly connected to the back of the docking sleeve. A rotating shaft is arranged on the back of the connecting plate. The other end of the rotating shaft is connected to a rectangular plate. A motor is fixedly installed outside the rectangular plate. A sliding rod is fixedly connected to the upper part of the inner side wall of the rectangular plate. A sliding block is sleeved outside the sliding rod. A first telescopic rod is fixedly connected to the bottom of the sliding block. The end of the first telescopic rod is movably connected to a cleaning component. The cleaning component includes a first connecting plate. A plurality of cleaning brush hairs are arranged at the bottom of the first connecting plate. A scraping piece is movably installed at the center of the bottom of the first connecting plate. A second connecting plate is arranged on the side of the first connecting plate. An oil wiping cloth is adhered to the outer wall of the second connecting plate through a magic tape.

[0008] Preferably, a spring is fixedly connected to the inner wall of the docking sleeve. An arc-shaped fixing plate is fixedly connected to the end of the spring. By arranging the arc-shaped fixing plate, after the spring contracts and resets, the front end and the output end on the crankshaft assembly can be clamped and fixed, avoiding the crankshaft assembly from falling off during rotation.

[0009] Preferably, an anti-slip pad is adhesively bonded to the surface of the arc-shaped fixing plate. The surface of the anti-slip pad is provided with anti-slip patterns. The anti-slip pad is made of rubber material. By providing the anti-slip pad, the friction when the arc-shaped fixing plate contacts the front end and the output end on the crankshaft assembly is increased, thereby improving the stability during fixation.

[0010] Preferably, the number of the docking sleeves is two groups, and they are evenly distributed on the surface of the connecting plate in a circumferential array. The diameters of the two groups of docking sleeves are different. By providing docking sleeves with different diameters, it is convenient to insert crankshaft assemblies of different sizes, and during use, it can be rotated and replaced according to the actual size of the crankshaft assembly, with strong applicability.

[0011] Preferably, a support rod is fixedly connected to the bottom of the rectangular plate, and a support plate is fixedly connected to the bottom of the support rod. The bottom area of the support plate is larger than the top area. By providing a support plate with a special shape, the rectangular plate can be placed more stably and is not easily displaced by external forces.

[0012] Preferably, a limit hole is provided at the end of the first telescopic rod. A plug rod is provided at the center of the top of the first connecting plate. Positioning holes are provided on the surfaces of both the first telescopic rod and the plug rod. A positioning pin shaft is inserted into the positioning hole. By providing the positioning hole, after inserting the plug rod into the limit hole at the end of the first telescopic rod and then inserting the positioning pin shaft, the installation of the cleaning component can be completed, and the disassembly and assembly are convenient.

[0013] Preferably, a connecting block is provided at the top of the scraping piece. A docking hole is provided at the center of the bottom of the first connecting plate. Magnetic attraction pieces are provided inside the docking hole and at the end of the connecting block. By providing the connecting block, inserting it into the docking hole and then adsorbing and fixing it with the magnetic attraction piece can complete the installation of the scraping piece, and it can be directly pulled out during disassembly.

[0014] Preferably, a second telescopic rod is provided on the inner side wall of the second connecting plate, and the other end of the second telescopic rod is connected to the side surface of the first connecting plate. By providing the second telescopic rod, under its telescopic action, the distance of the second connecting plate can be adjusted, so as to be suitable for cleaning two balance blocks with different distance intervals, and the oil wiping cloth outside it can always be attached to the surface of the balance block.

[0015] The beneficial effects of the present utility model are:

[0016] 1. For this tapped engine crankshaft, with the cleaning component provided, both ends of the crankshaft component are inserted into the docking sleeve. After the arc-shaped fixing plate contracts and resets under the spring, it can clamp and fix the front end and the output end on the crankshaft component. The sliding block moves to a suitable position on the sliding rod, and then the first telescopic rod is pulled downward to insert the first connecting plate into the gap between the two balance blocks. The motor drives the connecting disk to rotate, enabling the crankshaft component to rotate. The cleaning bristles can brush off the dust adhering to the surface of the crankshaft component, and the dirt scraping piece can scrape off the oil stain on the surface of the crankshaft component, achieving a better cleaning effect. The balance block and the oil wiping cloth continuously rub against each other, so that the oil stain on its surface is wiped off by the oil wiping cloth, completing the rapid cleaning work of the crankshaft component.

[0017] 2. For this tapped engine crankshaft, by setting two docking sleeves with different diameters, it is convenient to insert crankshaft components of different sizes. During use, it can be rotated and replaced according to the actual size of the crankshaft component, with strong applicability. Under the telescopic action of the second telescopic rod, the second connecting plate can adjust the distance, so as to be applicable to the cleaning of two balance blocks with different distance intervals, and the oil wiping cloth on its outside can always be in close contact with the surface of the balance block, improving the cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 It is a schematic diagram of the structure of the crankshaft component of the present invention;

[0021] Figure 3 It is a schematic diagram of the internal structure of the docking sleeve of the present invention;

[0022] Figure 4 It is a schematic diagram of the structure of the cleaning component of the present invention;

[0023] Figure 5 It is a schematic diagram of the connection structure between the connecting plate and the dirt scraping piece of the present invention.

[0024] In the figure: 1. Crankshaft assembly; 101. Front end; 102. Output end; 103. Lubricating oil hole; 104. Balance weight; 105. Main journal; 106. Connecting rod journal; 2. Connecting plate; 3. Spring; 4. Arc-shaped fixing plate; 5. Docking sleeve; 6. Rectangular plate; 7. Motor; 8. Slide bar; 9. Sliding block; 10. First telescopic rod; 11. Cleaning assembly; 1101. First connecting plate; 1102. Cleaning brush bristles; 1103. Scraper; 1104. Second connecting plate; 1105. Oil wiping cloth; 1106. Insert rod; 1107. Second telescopic rod. Detailed implementation manners

[0025] To further illustrate the embodiments, the present utility model provides drawings, which are a part of the disclosure of the present utility model. These drawings are mainly used to illustrate the embodiments and can be combined with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those of ordinary skill in the art should be able to understand other possible implementation manners and the advantages of the present utility model. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0026] According to an embodiment of the present utility model, a split-type engine crankshaft is provided.

[0027] Embodiment 1;

[0028] As Figures 1-5 shown, the split-type engine crankshaft according to an embodiment of the present utility model includes a crankshaft assembly 1. The crankshaft assembly 1 includes a main journal 105. A balance weight 104 is arranged outside the main journal 105. A connecting rod journal 106 is fixedly connected between two adjacent groups of balance weights 104. A lubricating oil hole 103 is formed on the surface of the connecting rod journal 106. A front end 101 is fixedly connected to the surface of the balance weight 104 on the left side, and an output end 102 is fixedly connected to the surface of the balance weight 104 on the right side. A docking sleeve 5 is inserted into the ends of the front end 101 and the output end 102. A connecting plate 2 is fixedly connected to the back of the docking sleeve 5. A rotating shaft is arranged on the back of the connecting plate 2. The other end of the rotating shaft is connected to a rectangular plate 6. A motor 7 is fixedly installed outside the rectangular plate 6. A slide bar 8 is fixedly connected to the upper part of the inner side wall of the rectangular plate 6. A sliding block 9 is sleeved outside the slide bar 8. A first telescopic rod 10 is fixedly connected to the bottom of the sliding block 9. The end of the first telescopic rod 10 is movably connected to a cleaning assembly 11. The cleaning assembly 11 includes a first connecting plate 1101. A plurality of cleaning brush bristles 1102 are arranged at the bottom of the first connecting plate 1101. A scraper 1103 is movably installed at the center of the bottom of the first connecting plate 1101. A second connecting plate 1104 is arranged on the side of the first connecting plate 1101. An oil wiping cloth 1105 is adhesively connected to the outer wall of the second connecting plate 1104 through a magic tape.

[0029] In this embodiment, a spring 3 is fixedly connected to the inner wall of the docking sleeve 5, and an arc-shaped fixing plate 4 is fixedly connected to the end of the spring 3. By providing the arc-shaped fixing plate 4, the front end 101 and the output end 102 on the crankshaft assembly 1 can be clamped and fixed after the spring 3 contracts and resets, preventing the crankshaft assembly 1 from falling off during rotation.

[0030] In this embodiment, an anti-slip pad is bonded to the surface of the arc-shaped fixing plate 4. Anti-slip lines are provided on the surface of the anti-slip pad, and the anti-slip pad is made of rubber material. By providing the anti-slip pad, the friction force when the arc-shaped fixing plate 4 contacts the front end 101 and the output end 102 on the crankshaft assembly 1 is increased, thereby improving the stability during fixation.

[0031] In this embodiment, the number of docking sleeves 5 is two groups, and they are evenly distributed on the surface of the connecting plate 2 in a circumferential array. The diameters of the two groups of docking sleeves 5 are different. By providing docking sleeves 5 with different diameters, it is convenient to insert crankshaft assemblies 1 of different sizes, and during use, it can be rotated and replaced according to the actual size of the crankshaft assembly 1, with strong applicability.

[0032] In this embodiment, a support rod is fixedly connected to the bottom of the rectangular plate 6, and a support plate is fixedly connected to the bottom of the support rod. The bottom area of the support plate is larger than the top area. By providing a support plate with a special shape, the rectangular plate 6 can be placed more stably and is not easily displaced by external forces.

[0033] Embodiment 2;

[0034] On the basis of Embodiment 1, a preferred embodiment of the tap-type engine crankshaft provided by the present utility model is as Figures 1 to 5 shown:

[0035] In this embodiment, a limiting hole is provided at the end of the first telescopic rod 10. A plug rod 1106 is provided at the center of the top of the first connecting plate 1101. Positioning holes are provided on the surfaces of the first telescopic rod 10 and the plug rod 1106, and a positioning pin shaft is inserted into the positioning holes. By providing the positioning holes, after inserting the plug rod 1106 into the limiting hole at the end of the first telescopic rod 10 and then inserting the positioning pin shaft, the installation of the cleaning component 11 can be completed, and the disassembly and assembly are convenient.

[0036] In this embodiment, a connecting block is provided at the top of the scraping blade 1103. A docking hole is provided at the center of the bottom of the first connecting plate 1101. Magnetic attraction sheets are provided at the inner part of the docking hole and at the end of the connecting block. By providing the connecting block, inserting it into the docking hole, and then adsorbing and fixing it through the magnetic attraction sheets, the installation of the scraping blade 1103 can be completed, and it can be directly pulled off during disassembly.

[0037] In this embodiment, a second telescopic rod 1107 is provided on the inner side wall of the second connecting plate 1104. The other end of the second telescopic rod 1107 is connected to the side surface of the first connecting plate 1101. By providing the second telescopic rod 1107, under its telescopic action, the distance of the second connecting plate 1104 can be adjusted, so as to be applicable to the cleaning of two sets of balance blocks 104 with different distance intervals, and the oil wiping cloth 1105 on its outer side can always be in contact with the surface of the balance block 104.

[0038] In order to facilitate the understanding of the above technical solutions of the present invention, the working principle or operation method of the present invention in the actual process will be described in detail below.

[0039] In actual application, the front end 101 and the output end 102 of the crankshaft assembly 1 are inserted into the docking sleeve 5. After the spring 3 contracts and resets, the arc-shaped fixing plate 4 can clamp and fix the front end 101 and the output end 102 on the crankshaft assembly 1. Push the sliding block 9 to move to a suitable position on the sliding rod 8, pull down the first telescopic rod 10, and insert the first connecting plate 1101 into the gap between the two sets of balance blocks 104. At this time, the cleaning brush bristles 1102 and the dirt scraping piece 1103 are both in contact with the surface of the crankshaft assembly 1, and the oil wiping cloth 1105 is in contact with the surface of the balance block 104. Subsequently, the motor 7 drives the connecting disc 2 to rotate, so that the crankshaft assembly 1 can rotate. The cleaning brush bristles 1102 can brush off the dust attached to the surface of the crankshaft assembly 1, and the dirt scraping piece 1103 can scrape off the oil stain on the surface of the crankshaft assembly 1, achieving a better cleaning effect. The balance block 104 and the oil wiping cloth 1105 continuously rub against each other, so that the oil stain on its surface is wiped off by the oil wiping cloth 1105, completing the rapid cleaning work of the crankshaft assembly 1. Rotate the connecting disc 2 according to the actual size of the crankshaft assembly 1 to facilitate the replacement of the docking sleeve 5 with different diameters. Under the telescopic action of the second telescopic rod 1107, the distance of the second connecting plate 1104 can be adjusted, so as to be applicable to the cleaning of two sets of balance blocks 104 with different distance intervals, and the oil wiping cloth 1105 on its outer side can always be in contact with the surface of the balance block 104, further improving the cleaning effect.

[0040] In summary, by means of the above technical solution of the present utility model, the two ends of the crankshaft assembly are inserted into the docking sleeve through the provided cleaning assembly. After the spring contracts and resets, the arc-shaped fixing plate can clamp and fix the front end and the output end on the crankshaft assembly. The sliding block moves to a suitable position on the sliding rod, and then the first telescopic rod is pulled down to insert the first connecting plate into the gap between the two balance blocks. The motor drives the connecting disc to rotate, so that the crankshaft assembly can rotate. The cleaning brush bristles can brush off the dust attached to the surface of the crankshaft assembly, and the dirt scraping piece can scrape off the oil stains on the surface of the crankshaft assembly, achieving a better cleaning effect. The balance block and the oil wiping cloth continuously rub against each other, so that the oil stains on its surface are wiped off by the oil wiping cloth, completing the rapid cleaning work of the crankshaft assembly. By providing two docking sleeves with different diameters, it is convenient to insert crankshaft assemblies of different sizes, and during use, it can be rotated and replaced according to the actual size of the crankshaft assembly, with strong applicability. Under the telescopic action of the second telescopic rod, the distance of the second connecting plate can be adjusted, so as to be applicable to the cleaning of two balance blocks with different distance intervals, and the oil wiping cloth outside it can always be in close contact with the surface of the balance block, further improving the cleaning effect.

[0041] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A tapped engine crankshaft, comprising a crankshaft assembly (1), characterized in that: The crankshaft assembly (1) includes a main journal (105). A balance weight (104) is arranged outside the main journal (105). A connecting rod journal (106) is fixedly connected between two adjacent groups of the balance weights (104). A lubricating oil hole (103) is formed on the surface of the connecting rod journal (106). A front end (101) is fixedly connected to the surface of the balance weight (104) on the left side. An output end (102) is fixedly connected to the surface of the balance weight (104) on the right side. A docking sleeve (5) is inserted into the ends of the front end (101) and the output end (102). A connecting disk (2) is fixedly connected to the back surface of the docking sleeve (5). A rotating shaft is arranged on the back surface of the connecting disk (2). The other end of the rotating shaft is connected to a rectangular plate (6). A motor (7) is fixedly installed outside the rectangular plate (6). A sliding rod (8) is fixedly connected to the upper part of the inner side wall of the rectangular plate (6). A sliding block (9) is sleeved outside the sliding rod (8). A first telescopic rod (10) is fixedly connected to the bottom of the sliding block (9). A cleaning component (11) is movably connected to the end of the first telescopic rod (10). The cleaning component (11) includes a first connecting plate (1101). A plurality of cleaning bristles (1102) are arranged at the bottom of the first connecting plate (1101). A dirt scraping piece (1103) is movably installed at the center of the bottom of the first connecting plate (1101). A second connecting plate (1104) is arranged on the side surface of the first connecting plate (1101). An oil wiping cloth (1105) is adhesively connected to the outer wall of the second connecting plate (1104) through a magic tape.

2. The tapped engine crankshaft according to claim 1, wherein, A spring (3) is fixedly connected to the inner wall of the docking sleeve (5). An arc-shaped fixing plate (4) is fixedly connected to the end of the spring (3).

3. The split-type engine crankshaft according to claim 2, characterized in that, An anti-slip pad is adhered to the surface of the arc-shaped fixing plate (4). Anti-slip lines are arranged on the surface of the anti-slip pad. The anti-slip pad is made of rubber material.

4. A tapped engine crankshaft according to claim 1, characterized in that, The number of the docking sleeves (5) is two, and they are evenly distributed in a circumferential array on the surface of the connecting disk (2). The diameters of the two docking sleeves (5) are different from each other.

5. A tapped engine crankshaft according to claim 1, characterized in that, A support rod is fixedly connected to the bottom of the rectangular plate (6). A support plate is fixedly connected to the bottom of the support rod. The bottom area of the support plate is larger than the top area.

6. The tapped engine crankshaft according to claim 1, wherein, A limit hole is formed at the end of the first telescopic rod (10). A plug rod (1106) is arranged at the center of the top of the first connecting plate (1101). Positioning holes are formed on the surfaces of the first telescopic rod (10) and the plug rod (1106). A positioning pin shaft is inserted into the positioning holes.

7. A split type engine crankshaft according to claim 1, characterized in that, A connecting block is arranged at the top of the dirt scraping piece (1103). A docking hole is formed at the center of the bottom of the first connecting plate (1101). Magnetic attraction pieces are arranged at the inner part of the docking hole and the end of the connecting block.

8. A split-type engine crankshaft according to claim 1, characterized in that, A second telescopic rod (1107) is arranged on the inner side wall of the second connecting plate (1104). The other end of the second telescopic rod (1107) is connected to the side surface of the first connecting plate (1101).

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