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CN-224201083-U - Bottom cover structure in gearbox for truck

CN224201083UCN 224201083 UCN224201083 UCN 224201083UCN-224201083-U

Abstract

The utility model relates to a bottom cover structure in a gearbox for a truck, which comprises a main chassis in a round table shape, wherein an outer ring at the upper end of the main chassis is stamped and formed with a conical inner folded edge, a horizontal annular lower connecting edge is formed between the inner folded edge and the main chassis, an outer ring of the inner folded edge is stamped and formed with a conical outer folded edge, an outer ring of the outer folded edge is formed with a rotating edge with a circular arc-shaped section, the center of the main chassis is formed with a shaft hole, a pipe penetrating opening which is horizontal and is in a waist-shaped hole is formed on the outer wall of one side of the main chassis, a plurality of pipe clamps which are annularly distributed are arranged on the side edge of the main chassis at one side of the pipe penetrating opening, each pipe clamp comprises a connecting plate which is abutted against the lower connecting edge of the outer ring of the main chassis, a downward inclined transition plate is formed at the inner end of the connecting plate, and a circular arc-shaped elastic clamp is formed at the lower end of the transition plate. This side trompil is seted up to the bottom to the pipe clamp of installation right constraint cooling line can realize that cooling line is the spiral setting, can reduce cooling line's deformation, makes things convenient for cooling line's installation simultaneously.

Inventors

  • WU XIAOLEI
  • DING YANJIANG

Assignees

  • 浙江正鼎汽车零部件有限公司

Dates

Publication Date
20260505
Application Date
20250701

Claims (7)

  1. 1. A bottom cover structure in a gearbox for a truck comprises a main chassis (1) in a circular truncated cone shape, wherein an outer ring at the upper end of the main chassis (1) is stamped and formed with a conical inner folding edge (11), and is characterized in that a horizontal annular lower joint edge is formed between the inner folding edge (11) and the main chassis (1), an outer ring of the inner folding edge (11) is stamped and formed with a conical outer folding edge (12), an outer ring of the outer folding edge (12) is formed with a rotating edge (13) with a circular arc-shaped section, a shaft hole (14) is formed in the center of the main chassis (1), The novel pipe clamp is characterized in that a pipe penetrating opening (15) which is horizontal and is a waist-shaped hole is formed in the outer wall of one side of the main chassis (1), a plurality of pipe clamps (2) which are annularly distributed are arranged on the side edge of the main chassis (1) on one side of the pipe penetrating opening (15), each pipe clamp (2) comprises a connecting plate (21) which is propped against the lower joint edge of the outer ring of the main chassis (1), a downward-inclined transition plate (22) is formed in the inner end of each connecting plate (21), an arc-shaped elastic clip (23) is formed in the lower end of each transition plate (22), a vertical pulling piece (24) is formed in the upper end of each elastic clip (23), and the connecting plates (21) are fixed on the lower joint edge of the outer ring of the main chassis (1) through rivets (3).
  2. 2. The bottom cover structure in a gearbox for a truck according to claim 1, which is characterized in that the main chassis (1) consists of a horizontal bottom plate and conical side plates, and a plurality of reinforcing bosses (16) protruding inwards and upwards are respectively formed on the main chassis (1) at two sides of the pipe penetrating opening (15) in a punching mode; The other side of the main chassis (1) opposite to the pipe penetrating opening (15) is provided with a downward concave reinforcing cavity (17).
  3. 3. The bottom cover structure in a gearbox for a truck according to claim 2, wherein the central axis of the shaft hole (14) coincides with the central axis of the rotary edge (13), and the reinforcing cavity (17) and the reinforcing boss (16) are distributed annularly around the central axis of the shaft hole (14); The outer ring of the upper bottom plate of the main chassis (1) is provided with a plurality of mounting holes (18), and the mounting holes (18) are distributed between adjacent reinforcing bosses (16) and between the reinforcing bosses (16) and the reinforcing cavity (17).
  4. 4. The bottom cover structure in a transmission for a truck according to claim 1, wherein a horizontal annular upper joint edge is formed between the outer flange (12) and the inner flange (11), and the inclination angle of the outer flange (12) is the same as that of the inner flange (11).
  5. 5. The bottom cover structure in a gearbox for a truck according to claim 1, wherein inward protruding avoidance platforms (19) are formed on an inner flange (11) and an outer flange (12) on the upper side of the pipe penetrating opening (15).
  6. 6. The bottom cover structure in a transmission for a truck according to claim 1, wherein the tube clamp (2) is formed with a notch (231) at the middle of the elastic clip (23).
  7. 7. A bottom cover structure in a gearbox for a truck according to claim 1 characterised in that the upper side of said spout (15) is located on the lower joint between the inner flange (11) and the main chassis (1).

Description

Bottom cover structure in gearbox for truck Technical field: The utility model relates to the technical field of mounting brackets for vehicles, in particular to a bottom cover structure in a gearbox for a truck. The background technology is as follows: In the existing precision device in the automobile, an important cooling system is used for ensuring that each part keeps normal operation at high temperature, such as an automobile gearbox, is not operated in isolation, but is closely connected with cooling circulation in the cooling system, a gear set in the existing automobile gearbox is cooled through gearbox oil in the gearbox, the gearbox oil is connected with a radiator on the outer side of the gearbox through a cooling pipeline, a disc-shaped bottom cover is arranged in the gearbox, a cooling pipeline of the cooling system needs to penetrate through the bottom cover and then penetrates out of the side wall of the gearbox adjacent to the bottom cover, a through hole opposite to the cooling pipeline is formed in the existing bottom cover, meanwhile, the through hole is arranged on the side edge of the bottom cover and is close to a tube hole formed in the gearbox, the end face where the through hole is formed is perpendicular to the side wall of the gearbox, meanwhile, the cooling pipeline is a copper tube, when the copper tube penetrates through the two holes, the copper tube is required to be bent, and because the holes are similar, the copper tube is not only troublesome to install, but also is large in deformation after bending, and the copper tube is greatly deformed, and accordingly cooling of the gearbox oil is affected. The utility model comprises the following steps: The utility model aims at overcoming the defects of the prior art, and provides a bottom cover structure in a gearbox for a truck, wherein a side opening is formed in the bottom cover, a pipe clamp for right constraint cooling pipelines is arranged, the cooling pipelines can be spirally arranged, deformation of the cooling pipelines can be reduced, and meanwhile, the installation of the cooling pipelines is convenient. A bottom cover structure in a gearbox for a truck comprises a main chassis in a round table shape, wherein an outer ring at the upper end of the main chassis is stamped and formed with a conical inner folded edge, a horizontal annular lower joint edge is formed between the inner folded edge and the main chassis, an outer ring of the inner folded edge is stamped and formed with a conical outer folded edge, an outer ring of the outer folded edge is formed with a rotating edge with a circular arc-shaped section, a shaft hole is formed in the center of the main chassis, The pipe clamp comprises a connecting plate which is abutted against the lower joint edge of the outer ring of the main chassis, a downward inclined transition plate is formed at the inner end of the connecting plate, an arc-shaped elastic clip is formed at the lower end of the transition plate, a vertical pulling piece is formed at the upper end of the elastic clip, and the connecting plate is fixed on the lower joint edge of the outer ring of the main chassis through rivet riveting. Preferably, the main chassis consists of a horizontal bottom plate and a conical side plate, and a plurality of reinforcing bosses protruding inwards and upwards are respectively formed on the main chassis at the two sides of the pipe orifice in a punching mode; The other side of the main chassis, which is opposite to the pipe penetrating opening, is provided with a downward concave reinforcing cavity. Preferably, the central axis of the shaft hole is coincident with the central axis of the rotary edge, and the reinforcing cavity and the reinforcing boss are annularly distributed around the central axis of the shaft hole; The outer ring of the main chassis upper bottom plate is provided with a plurality of mounting holes, and the mounting holes are distributed between adjacent reinforcing bosses and between the reinforcing bosses and the reinforcing cavity. Preferably, a horizontal annular upper joint edge is formed between the outer edge and the inner edge, and the inclination angle of the outer edge is the same as that of the inner edge. Preferably, inward convex avoidance-type platforms are formed on the inner folded edge and the outer folded edge on the upper side of the pipe penetrating opening. Preferably, a notch is formed in the middle of the elastic clip on the pipe clamp. Preferably, the upper side edge of the pipe penetrating opening is positioned on the lower joint edge between the inner folded edge and the main chassis. The utility model has the beneficial effects that: this side trompil is seted up to the bottom to the pipe clamp of installation right constraint cooling line can realize that cooling line is the spiral setting, can reduce cooling line's deformation, makes things convenient for cooling line's installation simultaneously. Description of the drawi