Crankcase convenient for efficient production

Abstract

The crankcase convenient to efficiently produce comprises a shell, a crankshaft hole is formed in the shell, a crankshaft is installed in the crankshaft hole, the shell is provided with an installation end, a connecting end used for being connected with a generator is arranged on the side, away from the installation end, of the shell, and the connecting end and the shell are integrally formed. The crankshaft hole penetrates through the mounting end and the connecting end, a piston hole is formed in the side wall of the shell and located between the connecting end and the mounting end, and the piston rod slides in the piston hole. The connecting end and the shell are integrally formed, compared with existing production, the time consumed by the connecting end and shell connecting and installing operation link is shortened, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the field of gasoline engines, in particular to a crankcase facilitating efficient production. BACKGROUND

[0002] The crankcase is a component in the lower part of the cylinder block of an engine, used for mounting the crankshaft and storing lubricating oil.

[0003] In the prior art, the crankcase is fixedly connected with a connecting frame through bolts, and the connecting frame is used for connecting the generator. The crankcase indirectly connects the generator through such a design, which is inconvenient to install and reduces production efficiency, and needs to be improved. CONTENT OF THE UTILITY MODEL

[0004] In order to improve the production efficiency of the crankcase, the application provides a crankcase facilitating efficient production.

[0005] The application provides a crankcase facilitating efficient production, which adopts the following technical scheme:

[0006] The crankcase facilitating efficient production comprises a shell, wherein the shell is provided with a crankshaft hole for mounting the crankshaft, the shell is provided with a mounting end, one side of the shell away from the mounting end is provided with a connecting end for connecting the generator, the connecting end is integrally formed with the shell, the crankshaft hole penetrates the mounting end and the connecting end, the side wall of the shell is provided with a piston hole, the piston hole is located between the connecting end and the mounting end, and the piston hole is used for sliding the piston rod.

[0007] By adopting the above technical scheme, the connecting end is integrally formed with the shell, compared with the existing production, the connecting end and the shell connection installation operation link is reduced, the production efficiency is improved, and the structural strength is improved by the integrally formed setting, the gap between the shell and the connecting end is reduced, the overall sealing property is improved, and the lubricating oil leakage is reduced.

[0008] Optionally, the side wall of the connecting end is provided with a connecting block, the connecting block is provided with a bolt hole, the bolt hole penetrates the connecting block, and the penetration direction of the bolt hole is parallel to the penetration direction of the crankshaft hole.

[0009] By adopting the above technical scheme, the connecting block and the bolt hole are provided, the bolt hole is embedded with the bolt, so that the connection with the motor and the subsequent disassembly are facilitated, and the overall installation operation is more convenient.

[0010] Optionally, the connecting end is provided with a connecting groove, the groove bottom of the connecting groove is provided with a supporting ring, the supporting ring is located on the side of the crankshaft hole away from the mounting end, the side wall of the supporting ring is provided with an extension strip, and the extension strip extends towards the direction close to the groove bottom of the connecting groove.

[0011] By adopting the technical scheme, the support ring is arranged to support the crankshaft, thereby improving the stability of the rotation of the crankshaft, and the extension strip is arranged to improve the structural strength of the support ring, so that the component is more stable during operation.

[0012] Optionally, the connecting groove is provided with a heat dissipation groove located on the side of the connecting groove bottom close to the piston hole and extending along the connecting groove wall close to the piston hole to the support ring.

[0013] By adopting the technical scheme, in actual use, the side of the piston hole away from the housing is arranged to be connected with the cylinder block, the temperature of the cylinder block is relatively high due to the influence of the combustion chamber, and the heat is easily transferred to the crankcase through the piston hole, so the heat dissipation groove is arranged, and the heat dissipation groove extends along the connecting groove wall close to the piston hole to the support ring, thereby improving the heat dissipation effect of the side of the crankcase close to the piston hole.

[0014] Optionally, the connecting end is provided with a positioning groove located on the side of the connecting end away from the mounting end, and the positioning groove is arranged for the clamping block of the generator to be embedded.

[0015] By adopting the technical scheme, the positioning groove is arranged for the clamping block of the generator to be embedded, thereby facilitating the worker to pass the bolt through the bolt hole and connect the generator, so that the installation of the component is more convenient.

[0016] In summary, the present application has at least one of the following beneficial technical effects:

[0017] 1. The connecting end is integrally formed with the housing, compared with the prior production, the connecting end and the housing connection installation operation link is reduced, and the production efficiency is improved;

[0018] 2. The support ring is arranged to support the crankshaft, thereby improving the stability of the rotation of the crankshaft, and the extension strip is arranged to improve the structural strength of the support ring, so that the component is more stable during operation;

[0019] 3. The heat dissipation groove is arranged, and the heat dissipation groove extends along the connecting groove wall close to the piston hole to the support ring, thereby improving the heat dissipation effect of the side of the crankcase close to the piston hole. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the overall schematic view of embodiment 1.

[0021] Figure 2 is the side view schematic view of embodiment 1.

[0022] Figure 3 is the partial sectional view schematic view of embodiment 2.

[0023] Explanation of reference signs: 1, housing; 2, mounting end; 3, connecting end; 4, crankshaft hole; 5, piston hole; 6, connecting block; 7, bolt hole; 8, connecting groove; 9, support ring; 10, heat dissipation groove; 11, extension bar; 12, positioning groove; 13, clamping block; 14, clamping groove; 15, clamping spring; 16, clamping block; 17, inclined surface one; 18, inclined surface two; 19, fixing groove. DETAILED DESCRIPTION

[0024] The application will be further described in detail below in combination with the drawings and examples.

[0025] The application discloses a crankcase facilitating efficient production. Embodiment 1: refer to Figure 1 With Figure 2 , including a housing 1, the housing 1 is provided with a mounting end 2, and the side of the housing 1 away from the mounting end 2 is provided with a connecting end 3 for connecting a generator, and the connecting end 3 is integrally formed with the housing 1. The housing 1 is provided with a crankshaft hole 4, and the crankshaft hole 4 penetrates the mounting end 2 and the connecting end 3, and the crankshaft hole 4 is used for mounting a crankshaft. In actual use, the mounting end 2 is also integrally formed with the housing 1.

[0026] The side wall of the housing 1 is provided with a piston hole 5, and the piston hole 5 is located between the connecting end 3 and the mounting end 2, and the piston hole 5 is used for mounting a piston rod and allowing the piston rod to slide.

[0027] The side wall of the connecting end 3 is provided with a connecting block 6, and the connecting block 6 is provided with a bolt hole 7, and the bolt hole 7 penetrates the connecting block 6, and the penetration direction of the bolt hole 7 is parallel to the penetration direction of the crankshaft hole 4, and the bolt hole 7 is used for embedding a bolt to connect the connecting end 3 and the generator. The connecting end 3 is provided with a connecting groove 8, and the groove bottom of the connecting groove 8 is provided with a support ring 9, and the support ring 9 is located on the side of the crankshaft hole 4 away from the mounting end 2, and the support ring 9 is used for supporting the crankshaft.

[0028] The groove bottom of the connecting groove 8 is provided with a heat dissipation groove 10, and the heat dissipation groove 10 is located on the side of the groove bottom of the connecting groove 8 close to the piston hole 5, and the heat dissipation groove 10 extends along the side of the groove wall of the connecting groove 8 close to the piston hole 5 to the support ring 9. The side wall of the support ring 9 is provided with an extension bar 11, and the extension bar 11 extends towards the direction close to the groove bottom of the connecting groove 8, and the extension bar 11 is used for improving the structural strength of the support ring 9. The connecting end 3 is provided with a positioning groove 12, and the positioning groove 12 is located on the side of the connecting end 3 away from the mounting end 2, and the positioning groove 12 is used for embedding a clamping block 13 of the generator.

[0029] The application discloses an embodiment of a crankcase facilitating efficient production. The integrally formed connecting end 3 and the housing 1 improve the overall structural strength and production efficiency. When the housing 1 needs to be mounted on the generator, the housing 1 is moved and rotated towards the direction close to the generator so that the clamping block 13 of the generator is embedded in the positioning groove 12, and then the generator and the housing 1 can be connected and mounted through the bolt.

[0030] Embodiment 2

[0031] With reference to Figure 3 The difference between the present embodiment and Embodiment 1 is that the positioning groove 12 is provided with a clamping groove 14, the clamping groove 14 is provided with a clamping spring 15, the end of the clamping spring 15 away from the bottom of the clamping groove 14 is connected with a clamping block 16, and the elastic force of the clamping spring 15 limits the movement of the clamping block 16 in the direction close to the bottom of the clamping groove 14. When the elastic force of the clamping spring 15 is in a normal state, the clamping block 16 protrudes from the wall of the positioning groove 12.

[0032] The clamping block 16 is provided with an inclined surface one 17 and an inclined surface two 18. The inclined surface one 17 is located at the end of the clamping block 16 close to the bottom of the positioning groove 12, and extends in the direction away from the bottom of the clamping groove 14 and in the direction away from the bottom of the positioning groove 12. The inclined surface two 18 is located at the end of the clamping block 16 away from the bottom of the positioning groove 12, and extends in the direction away from the bottom of the clamping groove 14 and in the direction close to the bottom of the positioning groove 12.

[0033] In the present embodiment, the side wall of the clamping block 13 of the generator is provided with a fixing groove 19 for embedding the clamping block 16, and the inclined surface one 17 and the inclined surface two 18 are both used to abut against the fixing groove 19.

[0034] The implementation principle of Embodiment 2 is that when the installation of the shell 1 and the generator is needed, the shell 1 is moved to move in the direction close to the generator, and the clamping block 13 is embedded in the positioning groove 12. At this time, the clamping block 13 abuts against the inclined surface two 18 and makes the clamping block 16 receive a component force in the direction of the bottom of the clamping groove 14, and at this time, the clamping block 16 moves.

[0035] With the reduction of the distance between the clamping block 13 and the bottom of the positioning groove 12, when the fixing groove 19 is aligned with the clamping groove 14, the elastic force of the clamping spring 15 makes the clamping block 16 embedded in the fixing groove 19 to temporarily clamp the shell 1 and the generator, so as to facilitate the further installation through the bolt.

[0036] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, so that: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A crankcase facilitating efficient production, comprising a housing (1), characterised in that: The shell (1) is provided with a crankshaft hole (4) for mounting the crankshaft, the shell (1) is provided with a mounting end (2), the side of the shell (1) away from the mounting end (2) is provided with a connecting end (3) for connecting the generator, the connecting end (3) is integrally formed with the shell (1), the crankshaft hole (4) penetrates the mounting end (2) and the connecting end (3), the side wall of the shell (1) is provided with a piston hole (5), the piston hole (5) is located between the connecting end (3) and the mounting end (2), and the piston hole (5) is used for sliding the piston rod.

2. The crankcase facilitating efficient production of claim 1, wherein: The side wall of the connecting end (3) is provided with a connecting block (6), the connecting block (6) is provided with a bolt hole (7), the bolt hole (7) penetrates the connecting block (6), and the penetration direction of the bolt hole (7) is parallel to the penetration direction of the crankshaft hole (4).

3. The crankcase facilitating efficient production of claim 1, wherein: The connecting end (3) is provided with a connecting groove (8), the bottom of the connecting groove (8) is provided with a supporting ring (9), the supporting ring (9) is located on the side of the crankshaft hole (4) away from the mounting end (2), the side wall of the supporting ring (9) is provided with an extension strip (11), and the extension strip (11) extends towards the bottom of the connecting groove (8).

4. The crankcase facilitating efficient production of claim 3, wherein: The bottom of the connecting groove (8) is provided with a heat dissipation groove (10), the heat dissipation groove (10) is located on the side of the bottom of the connecting groove (8) close to the piston hole (5), and the heat dissipation groove (10) extends to the supporting ring (9) along the side wall of the connecting groove (8) close to the piston hole (5).

5. The crankcase for ease of high volume production of claim 2, wherein: The connecting end (3) is provided with a positioning groove (12), the positioning groove (12) is located on the side of the connecting end (3) away from the mounting end (2), and the positioning groove (12) is used for embedding the clamping block (13) of the generator.

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