Box assembly, automatic gearbox and automobile

A technology of components, boxes, applied in the direction of gearboxes, transmission parts, elements with teeth, etc.

Inactive Publication Date: 2014-09-10
INNER MONGOLIA OED ENGINE +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] There are at least the following problems in the current technology: the use of snap-fit

Method used

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  • Box assembly, automatic gearbox and automobile
  • Box assembly, automatic gearbox and automobile
  • Box assembly, automatic gearbox and automobile

Examples

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Embodiment Construction

[0022] figure 1 It is a schematic diagram of the box structure of the box assembly provided by the embodiment of the present invention, figure 2 It is a schematic diagram of the box cover structure of the box assembly provided by the embodiment of the present invention, image 3 It is a schematic structural diagram of the box assembly provided by the embodiment of the present invention, Figure 4 for image 3 A partially enlarged schematic diagram.

[0023] An embodiment of the present invention provides a box assembly, which is suitable for any occasion where a box assembly needs to be installed and the axial size of the box assembly needs to be reduced, preferably for automatic transmissions and the like. The box assembly includes a box body 1 and a box cover 2, wherein: at least two axial grooves 11 are opened in the circumferential direction of the end of the box body 1, and the two axial grooves 11 are opened through the The through hole 12 in the thickness direction...

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Abstract

The invention provides a box assembly, an automatic gearbox and an automobile. The box assembly comprises a box body and a box cover; at least two axial grooves are formed in the circumferential direction on the end portion of the box body; a through hole which penetrates through the thickness of the box body is formed between the two axial groove; at least two tooth-shaped projections are formed in the circumferential direction of the box cover edge; a boss which protrudes the box cover surface is arranged between the two tooth-shaped projections; the axial grooves are matched with the tooth-shaped projections; the through hole is matched with the boss. According to the technical scheme, the axial grooves and the tooth-shaped projections are formed due to machining based on original structures of the box body and the box cover and the axial length of the axial grooves and the tooth-shaped projections does not increase, so that 3 to 4 mm space in the axial direction of the box body and the box cover is saved, which is meaningful to shrink of the axial size of small products.

Description

technical field [0001] The invention relates to mechanical technology, in particular to a box assembly, an automatic gearbox and an automobile. Background technique [0002] On the existing automobile, the casing of the automatic transmission is placed horizontally. The automatic transmission includes a case body, a planetary gear arranged inside the case body, and a case cover for sealing the case body. In the actual installation process, the planetary gear is first installed inside the box, and then the box cover is fixed to the box body, and the box cover and box body are fixed by snap-fitting. Specifically, a snap ring groove is provided on the box body, and a boss is arranged on the box cover, and the boss is matched and fixed with the snap ring groove. [0003] At least the following problems exist in the current technology: the use of buckle-type fixing will occupy a space of 3mm-4mm in the axial direction of the box body and the box cover. Contents of the inventi...

Claims

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Application Information

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IPC IPC(8): F16H57/08F16H57/02F16H57/031
CPCF16H57/02F16H57/031F16H57/08F16H2057/02043F16H2057/02086
Inventor 王强袁敏刚
Owner INNER MONGOLIA OED ENGINE
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