Integrated self-cooling crankcase

Abstract

The utility model discloses an integrated self-cooling crankcase, and relates to the technical field of crankcase, the integrated self-cooling crankcase comprises a crankcase body, the outside of the crankcase body is fixedly connected with an air cylinder, a connecting mechanism comprises an upper wing plate, a lower wing plate, a round hole, a fixing bolt and a nut, the upper wing plate is matched with the lower wing plate, and the round hole is formed in the lower wing plate. When the wing plates are damaged, a tool is used for rotating the nut to release the connection between the nut and the fixing bolt, the upper wing plate and the lower wing plate can be pulled to release the connection between the upper wing plate and the lower wing plate and the air cylinder, the upper wing plate and the lower wing plate are detached, and a new upper wing plate and a new lower wing plate can be installed outside the air cylinder. At the moment, the four fixing bolts pass through the interiors of the round holes, the nuts are in threaded connection with the exteriors of the fixing bolts, the upper wing plate and the lower wing plate are installed outside the air cylinder, the disassembly process of the wing plates is simple, the damaged wing plates can be replaced conveniently, and the difficulty of replacement work is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of crankcases, in particular to an integrated self-cooling crankcase. Background Art

[0002] The existing one-piece self-cooling crankcase is a cylinder and a crankcase cast together.

[0003] At present, the crankcase of the existing general gasoline engine (such as patent number: CN201041090Y) discloses an integrated self-cooling crankcase, including a case, a base integrated with the case, and a cylinder body integrated with the case, and a mounting through hole for the starter motor and a threaded hole for fastening the starter motor are opened on the upper left of the case. The crankcase body changes the mounting position of the starter motor on the crankcase body, making the installation and removal of the starter motor very convenient and easy, and will not be affected by other parts of the general gasoline engine. In particular, when disassembling, it is not necessary to first remove the hand starter, flywheel and other parts, so that the disassembly of the starter motor is convenient and quick.

[0004] However, during the implementation of the above technical solution, it was found that there were at least the following problems: a wing plate was provided on the outside of the cylinder. The function of the wing plate was generally to dissipate heat from the cylinder or to protect the cylinder body. The wing plate itself was relatively thin. During use, the wing plate would be deformed due to collision with other objects and lose its original effect. At this time, the wing plate needed to be replaced. Since the wing plate was fixed on the surface of the cylinder, the difficulty of replacement increased. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies in the prior art, the utility model provides an integrated self-cooling crankcase, which solves the technical problem that the wing plate is fixedly arranged on the surface of the cylinder, which increases the difficulty of replacement.

[0007] (II) Technical solution

[0008] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0009] An integrated self-cooling crankcase comprises a crankcase body, the outside of which is fixedly connected to a cylinder, a connecting mechanism is arranged on the outside of the cylinder, the connecting mechanism comprises an upper wing plate, a lower wing plate, a circular hole, fixing bolts and nuts, the upper wing plate is sleeved on the outside of the cylinder, the lower wing plate is sleeved on the outside of the cylinder, the upper wing plate and the lower wing plate fit each other, four circular holes are all opened on the outside of the upper wing plate, there are four fixing bolts, the four fixing bolts are all movably connected to the outside of the lower wing plate, the four fixing bolts are respectively movably connected to the inside of the four circular holes, there are four nuts, the four nuts are respectively threadedly connected to the outside of the four fixing bolts, and the four nuts are all located on the upper surface of the upper wing plate.

[0010] Four protective caps are arranged on the outside of the upper wing plate, and four nuts are respectively located on the inner sides of the four protective caps. An internal thread is provided on the inner side of each of the protective caps, and the protective cap is threadedly connected to the outside of the fixing bolt through the internal thread. Limiting blocks are fixedly installed at both ends of the cylinder, and limiting grooves are provided on one side of the upper wing plate and the lower wing plate close to the cylinder, and two limiting blocks are respectively located inside the two limiting grooves.

[0011] Preferably, buckles are provided at both ends of the upper wing plate, connecting grooves are opened at both ends of the upper wing plate, and clamping grooves are opened at both ends of the lower wing plate, and both ends of the buckle are respectively clamped in the connecting groove and the inside of the clamping groove.

[0012] Preferably, four openings are formed on the outside of the lower wing plate, and four fixing bolts are movably connected to the inside of the four openings respectively.

[0013] (III) Beneficial effects

[0014] 1. By setting the upper wing plate to match the lower wing plate, when the wing plate is damaged, use a tool to rotate the nut to release the connection between the nut and the fixing bolt. At this time, the upper wing plate and the lower wing plate can be pulled to release the connection between the upper wing plate and the lower wing plate and the cylinder. At this time, the upper wing plate and the lower wing plate are disassembled, and new upper wing plates and lower wing plates can be installed on the outside of the cylinder. At this time, four fixing bolts pass through the inside of the round hole. At this time, the nut is threadedly connected to the outside of the fixing bolt. At this time, the upper wing plate and the lower wing plate are installed on the outside of the cylinder. The disassembly process of the wing plate is simple and convenient for replacing the damaged wing plate, reducing the difficulty of replacement work.

[0015] 2. By setting a protective cap and matching the internal thread, when the nut is threadedly connected to the outside of the fixing bolt, the threaded cap is threadedly connected to the outside of the fixing bolt through the internal thread. At this time, the nut is located on the inner side of the protective cap, and the protective cap covers the nut and the upper part of the fixing bolt to prevent excessive impurities from adhering to the nut and the upper part of the fixing bolt and affecting the disassembly of the upper wing plate and the lower wing plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings.

[0017] Figure 1 It is a structural diagram of the utility model;

[0018] Figure 2 For this utility model Figure 1 Structural diagram of the middle and upper wing panel;

[0019] Figure 3 For this utility model Figure 1 Structural diagram of the middle and lower wing panels;

[0020] Figure 4 For this utility model Figure 1 Cross-sectional structural diagram of the protective cap.

[0021] Legend: 1. Crankcase body; 2. Cylinder; 3. Upper wing plate; 4. Lower wing plate; 5. Round hole; 6. Fixing bolt; 7. Nut; 8. Protective cap; 9. Internal thread; 10. Limiting groove; 11. Limiting block; 12. Buckle; 13. Connecting groove; 14. Clamping groove; 15. Opening. DETAILED DESCRIPTION

[0022] The embodiment of the present application provides an integrated self-cooling crankcase, which effectively solves the technical problem that the wing plate is fixedly arranged on the surface of the cylinder 2, which increases the difficulty of replacement.

[0023] Example

[0024] like Figure 1 , Figure 2 , Figure 3 and Figure 4 The technical solution in the embodiment of the present application effectively solves the technical problem that the wing plate is fixedly arranged on the surface of the cylinder 2, which increases the difficulty of replacement. The overall idea is as follows:

[0025] In view of the problems existing in the prior art, the utility model provides an integrated self-cooling crankcase, which includes a crankcase body 1, the outside of the crankcase body 1 is fixedly connected to a cylinder 2, the outside of the cylinder 2 is provided with a connecting mechanism, the connecting mechanism includes an upper wing plate 3, a lower wing plate 4, a circular hole 5, a fixing bolt 6 and a nut 7, the upper wing plate 3 is sleeved on the outside of the cylinder 2, the lower wing plate 4 is sleeved on the outside of the cylinder 2, the upper wing plate 3 and the lower wing plate 4 are fitted with each other, four circular holes 5 are all opened on the outside of the upper wing plate 3, there are four fixing bolts 6, the four fixing bolts 6 are all movably connected to the outside of the lower wing plate 4, the four fixing bolts 6 are respectively movably connected to the inside of the four circular holes 5, there are four nuts 7, the four nuts 7 are respectively threadedly connected Connected to the outside of the four fixing bolts 6, the four nuts 7 are all located on the upper surface of the upper wing plate 3. By setting the upper wing plate 3 and cooperating with the lower wing plate 4, when the wing plate is damaged, a tool is used to rotate the nut 7 to release the connection between the nut 7 and the fixing bolt 6. At this time, the upper wing plate 3 and the lower wing plate 4 can be pulled to release the connection between the upper wing plate 3 and the lower wing plate 4 to the cylinder 2. At this time, the upper wing plate 3 and the lower wing plate 4 are disassembled, and a new upper wing plate 3 and the lower wing plate 4 can be installed on the outside of the cylinder 2. At this time, the four fixing bolts 6 pass through the inside of the circular hole 5. At this time, the nut 7 is threadedly connected to the outside of the fixing bolt 6. At this time, the upper wing plate 3 and the lower wing plate 4 are installed on the outside of the cylinder 2. The disassembly process of the wing plate is simple and convenient for replacing the damaged wing plate, reducing the difficulty of replacement work.

[0026] Four protective caps 8 are provided on the outside of the upper wing plate 3, and four nuts 7 are respectively located on the inner sides of the four protective caps 8 to provide protection for the nuts 7. An internal thread 9 is provided on the inner side of each protective cap 8, and the protective cap 8 is threadedly connected to the outside of the fixing bolt 6 through the internal thread 9 to facilitate the disassembly and assembly of the protective cap 8. By providing the protective cap 8 and cooperating with the internal thread 9, when the nut 7 is threadedly connected to the outside of the fixing bolt 6, the threaded cap is threadedly connected to the outside of the fixing bolt 6 through the internal thread 9. At this time, the nut 7 is located on the inner side of the protective cap 8, and the protective cap 8 covers the nut 7 and the upper part of the fixing bolt 6 to prevent excessive attachment of impurities to the nut 7 and the upper part of the fixing bolt 6 to affect the disassembly of the upper wing plate 3 and the lower wing plate 4.

[0027] Limiting blocks 11 are fixedly installed at both ends of the cylinder 2, and limiting grooves 10 are provided on one side of the upper wing plate 3 and the lower wing plate 4 close to the cylinder 2. The two limiting blocks 11 are respectively located inside the two limiting grooves 10 to limit the rotation of the upper wing plate 3 and the lower wing plate 4 outside the cylinder 2. Buckles 12 are provided at both ends of the upper wing plate 3, connecting grooves 13 are provided at both ends of the upper wing plate 3, and clamping grooves 14 are provided at both ends of the lower wing plate 4. The two ends of the buckle 12 are respectively clamped in the inside of the connecting groove 13 and the clamping groove 14, so that the staff can connect the fixing bolt 6 with the nut 7. Four openings 15 are provided on the outside of the lower wing plate 4, and the four fixing bolts 6 are respectively movably connected to the inside of the four openings 15 to facilitate releasing the connection between the fixing bolts 6 and the openings 15.

[0028] Working principle:

[0029] In the first step, by setting the upper wing plate 3 and matching the lower wing plate 4, when the wing plate is damaged, the protective cap 8 is rotated to release the connection between the protective cap 8 and the fixing bolt 6. At this time, the nut 7 is rotated with a tool to release the connection between the nut 7 and the fixing bolt 6. At this time, the upper wing plate 3 and the lower wing plate 4 can be pulled to release the connection between the upper wing plate 3 and the lower wing plate 4 and the cylinder 2. At this time, the upper wing plate 3 and the lower wing plate 4 are disassembled;

[0030] In the second step, the new upper wing plate 3 and the lower wing plate 4 can be installed on the outside of the cylinder 2. At this time, the two ends of the buckle 12 are respectively clamped in the inside of the connecting groove 13 and the clamping groove 14. At this time, the upper wing plate 3 and the lower wing plate 4 are both confined to the outside of the cylinder 2. At this time, the four fixing bolts 6 are passed through the inside of the circular hole 5 and the opening 15. At this time, the nut 7 is threadedly connected to the outside of the fixing bolt 6. At this time, the protective cap 8 is threadedly connected to the outside of the fixing bolt 6. At this time, the upper wing plate 3 and the lower wing plate 4 are installed on the outside of the cylinder 2.

[0031] Finally, it should be noted that: Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from this are still within the scope of protection of the present invention.

Claims

1. An integrated self-cooling crankcase, comprising a crankcase body (1), wherein a cylinder (2) is fixedly connected to the outside of the crankcase body (1), characterized in that: A connecting mechanism is arranged outside the cylinder (2); The connecting mechanism comprises an upper wing plate (3), a lower wing plate (4), a round hole (5), a fixing bolt (6) and a nut (7); The upper wing plate (3) is sleeved on the outside of the cylinder (2), and the lower wing plate (4) is sleeved on the outside of the cylinder (2). The upper wing plate (3) and the lower wing plate (4) are fitted with each other. Four circular holes (5) are all opened on the outside of the upper wing plate (3). There are four fixing bolts (6). The four fixing bolts (6) are all movably connected to the outside of the lower wing plate (4). The four fixing bolts (6) are respectively movably connected to the inside of the four circular holes (5). There are four nuts (7). The four nuts (7) are respectively threadedly connected to the outside of the four fixing bolts (6). The four nuts (7) are all located on the upper surface of the upper wing plate (3).

2. An integrated self-cooling crankcase as claimed in claim 1, characterized in that: Four protective caps (8) are arranged outside the upper wing plate (3); The four nuts (7) are respectively located on the inner sides of the four protective caps (8).

3. An integrated self-cooling crankcase as claimed in claim 2, characterized in that: Each of the protective caps (8) is provided with an internal thread (9) on its inner side; The protective cap (8) is threadedly connected to the outside of the fixing bolt (6) via an internal thread (9).

4. An integrated self-cooling crankcase as claimed in claim 1, characterized in that: Limit blocks (11) are fixedly installed at both ends of the cylinder (2), and limit grooves (10) are provided on the sides of the upper wing plate (3) and the lower wing plate (4) close to the cylinder (2); The two limiting blocks (11) are respectively located inside the two limiting grooves (10).

5. The integrated self-cooling crankcase according to claim 1, characterized in that: Both ends of the upper wing plate (3) are provided with buckles (12), both ends of the upper wing plate (3) are provided with connecting grooves (13), and both ends of the lower wing plate (4) are provided with clamping grooves (14); The two ends of the buckle (12) are respectively clamped in the interior of the connecting groove (13) and the clamping groove (14).

6. The integrated self-cooling crankcase according to claim 1, characterized in that: The lower wing plate (4) is provided with four openings (15) on its exterior; The four fixing bolts (6) are movably connected inside the four openings (15) respectively.

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