阅读说明：本技术 一种金属材料冲压平叉 (Metal material punching press chain stay ) 是由 靖丽鹏 李保明 赵鹏程 叶帅 于 2019-12-24 设计创作，主要内容包括：本发明涉及一种金属材料冲压平叉,属于电动车平叉技术领域,该金属材料冲压平叉包括连接板和两个平叉板,两个平叉板平行且对称设置在连接板的两端,平叉板前端设有轴孔,平叉板后端延设有安装板,轴孔和安装板分别位于连接板的两侧,连接板和平叉板均为冲压成型件,采用该结构,通过连接板固定在两个平叉板之间形成平叉结构,轴孔用于连接车架,安装板用于安装电动车上各零部件,连接板和平叉板采用金属板料冲压成型,强度高,结构简单节省材料和空间,减少了焊接工序,模具化冲压成型,产品一致性更好,更易加工,提高了生产效率,降低了生产成本。(The invention relates to a metal material stamping bottom fork, which belongs to the technical field of electric vehicle bottom forks and comprises a connecting plate and two flat fork plates, wherein the two flat fork plates are arranged at two ends of the connecting plate in parallel and symmetrically, the front end of each flat fork plate is provided with a shaft hole, the rear end of each flat fork plate is provided with a mounting plate in an extending manner, the shaft holes and the mounting plates are respectively positioned at two sides of the connecting plate, the connecting plate and the flat fork plates are stamping formed parts, the flat fork structures are formed by fixing the connecting plate between the two flat fork plates, the shaft holes are used for connecting a vehicle frame, the mounting plates are used for mounting parts on an electric vehicle, and the connecting plate and the flat fork plates are stamped and formed by metal plates.)

1. A metal material punching press chain stay which characterized in that: including connecting plate and two flat fork boards, two the parallel and symmetry setting of flat fork board is in the both ends of connecting plate, flat fork board front end is equipped with the shaft hole, flat fork board rear end is prolonged and is equipped with the mounting panel, shaft hole and mounting panel are located respectively the both sides of connecting plate, connecting plate and flat fork board are stamping forming part.

2. The stamped chain stay of metal material as claimed in claim 1, wherein: the mounting plate is provided with a U-shaped groove for mounting a wheel axle, and the notch of the U-shaped groove is arranged at the rear end of the mounting plate.

3. The stamped chain stay of metal material as claimed in claim 2, wherein: still be equipped with car ladder combination hole, mud tile rear fixed orifices and pedal fixed orifices on the mounting panel, mud tile rear fixed orifices and pedal fixed orifices set up side by side and are located car ladder combination hole top.

4. A metallic material stamped chain stay as claimed in claim 3, wherein: the vehicle ladder combination hole comprises a first waist-shaped hole, a second waist-shaped hole, a rectangular hole and two screw holes, wherein the first waist-shaped hole and the second waist-shaped hole are parallel and symmetrically arranged on the upper side and the lower side of the U-shaped groove, the rectangular hole is located below the second waist-shaped hole, and the two screw holes are respectively arranged on the two sides of the rectangular hole.

5. The stamped chain stay of metal material as claimed in claim 2, wherein: still including extending board and fixed plate, the one end of extending the board is fixed mounting panel upper end, the other end of extending the board extends along the direction of keeping away from two chain stay board symmetric centers, fixed plate fixed connection is in on the other end of extending the board, be equipped with the bumper shock absorber mounting hole on the fixed plate.

6. The stamped chain stay of metal material as claimed in claim 5, wherein: the fixed plate is parallel to the mounting plate, and the fixed plate, the extension plate and the mounting plate are integrally formed.

7. The stamped chain stay of metal material as claimed in claim 2, wherein: the flat fork plate is the arc, two the flat fork plate is first flat fork plate and second flat fork plate respectively, be equipped with on the first flat fork plate and embrace the flashboard, the one end of embracing the flashboard is fixed the lower extreme of first flat fork plate, the other end downwardly extending of embracing the flashboard, embrace the flashboard with first flat fork plate integrated into one piece.

8. The stamped chain stay of metal material as claimed in claim 7, wherein: the brake shoe is characterized in that a first contracting brake hole is formed in the contracting brake plate, the first contracting brake hole is a long circular hole and is parallel to the first cross slab, a second contracting brake hole is formed in the mounting plate of the first cross slab, the second contracting brake hole is a round hole, and the second contracting brake hole is located at the front end of the U-shaped groove.

9. A stamped chain stay of metal material according to any one of claims 1 to 8, wherein: the connecting plate orientation one side of mounting panel is equipped with dodges the groove, it upwards extends respectively to establish the formation first lug and second lug to dodge the both sides wall in groove, all be equipped with the fixing hole before the clay tile on first lug and the second lug.

10. The stamped chain stay of metal material as claimed in claim 7, wherein: and two ends of the connecting plate are respectively welded and fixed on the first cross plate and the second cross plate.

Technical Field

The invention belongs to the technical field of electric vehicle bottom forks, and particularly relates to a metal material stamping bottom fork.

Background

The electric vehicle bottom fork is used for connecting structures such as an electric vehicle frame, a rear wheel and a shock absorber, is U-shaped and is similar to a fork, so that the bottom fork or the rear bottom fork is a main part of an electric vehicle.

The electric motor car chain stay that adopts in the existing market mostly adopts tubular product and fork to collude welded mode preparation, and welding processes is many, causes the waste of process time, and outward appearance and molding all receive tubular product structure restriction, lead to the uniformity of product not to obtain guaranteeing, and the limitation is great, lead to the design development of electric motor car chain stay to be restricted.

Therefore, a metal material stamping flat fork with simple processing and strong product consistency is in urgent need.

Disclosure of Invention

The invention provides a metal material stamping bottom fork, which is used for solving the technical problems of complex structure, high processing difficulty and poor product consistency of a common electric vehicle bottom fork in the prior art.

The invention is realized by the following technical scheme: the utility model provides a metal material punching press chain stay, includes connecting plate and two flat fork boards, two parallel and the symmetry setting of flat fork board is in the both ends of connecting plate, flat fork board front end is equipped with the shaft hole, flat fork board rear end is prolonged and is equipped with the mounting panel, shaft hole and mounting panel are located respectively the both sides of connecting plate, connecting plate and flat fork board are the press forming part.

Further, in order to better implement the invention, a U-shaped groove for mounting the wheel shaft is arranged on the mounting plate, and the notch of the U-shaped groove is arranged at the rear end of the mounting plate.

Furthermore, in order to better realize the invention, the mounting plate is also provided with a vehicle ladder combination hole, a mud tile rear fixing hole and a pedal fixing hole, wherein the mud tile rear fixing hole and the pedal fixing hole are arranged side by side and are positioned above the vehicle ladder combination hole.

Further, in order to better implement the present invention, the car ladder combination hole includes a first kidney-shaped hole, a second kidney-shaped hole, a rectangular hole and two screw holes, the first kidney-shaped hole and the second kidney-shaped hole are parallel and symmetrically disposed on the upper and lower sides of the U-shaped groove, the rectangular hole is located below the second kidney-shaped hole, and the two screw holes are disposed on the two sides of the rectangular hole.

Furthermore, in order to better realize the invention, the shock absorber mounting plate further comprises an extension plate and a fixing plate, wherein one end of the extension plate is fixed at the upper end of the mounting plate, the other end of the extension plate extends along the direction far away from the symmetric centers of the two bottom fork plates, the fixing plate is fixedly connected to the other end of the extension plate, and the fixing plate is provided with a shock absorber mounting hole.

Further, in order to better implement the present invention, the fixing plate is parallel to the mounting plate, and the fixing plate, the extension plate and the mounting plate are integrally formed.

Further, in order to better realize the invention, the flat fork plates are arc-shaped plates, the two flat fork plates are respectively a first flat fork plate and a second flat fork plate, the first flat fork plate is provided with a holding gate plate, one end of the holding gate plate is fixed at the lower end of the first flat fork plate, the other end of the holding gate plate extends downwards, and the holding gate plate and the first flat fork plate are integrally formed.

Further, in order to better realize the invention, a first contracting brake hole is formed in the contracting brake plate, the first contracting brake hole is an oblong hole and is parallel to the first cross plate, a second contracting brake hole is formed in the mounting plate of the first cross plate, the second contracting brake hole is a round hole, and the second contracting brake hole is located at the front end of the U-shaped groove.

Furthermore, in order to better realize the invention, one side of the connecting plate, which faces the mounting plate, is provided with an avoiding groove, two side walls of the avoiding groove are respectively extended upwards to form a first lug and a second lug, and the first lug and the second lug are both provided with front clay tile fixing holes.

Further, in order to better implement the present invention, two ends of the connecting plate are respectively welded and fixed to the first fork plate and the second fork plate.

Compared with the prior art, the invention has the following beneficial effects:

the invention provides a metal material stamping bottom fork, which comprises a connecting plate and two flat fork plates, wherein the two flat fork plates are arranged at two ends of the connecting plate in parallel and symmetrically, the front end of each flat fork plate is provided with a shaft hole, the rear end of each flat fork plate is provided with a mounting plate in an extending way, the shaft holes and the mounting plates are respectively positioned at two sides of the connecting plate, the connecting plate and the flat fork plates are stamping formed parts, the structure is adopted, the flat fork structure is formed by fixing the connecting plate between the two flat fork plates, the shaft holes are used for connecting a frame, the mounting plates are used for mounting various parts on an electric vehicle, the connecting plate and the flat fork plates are formed by stamping metal plates, the material strength is high, the structure is simple, the material and the space are saved, the welding process is reduced, the die stamping forming is realized, the product consistency is better.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a perspective view of a stamped flat fork of metal material in accordance with the present invention;

FIG. 2 is an elevational view of a stamped flat fork of metal material in accordance with the present invention;

FIG. 3 is a top view of a stamped flat fork of metal material in accordance with the present invention;

FIG. 4 is a right side view of a stamped flat fork of metal material in accordance with the present invention;

fig. 5 is a perspective view of a connection plate in the present invention.

In the figure:

1-connecting plate; 11-avoidance grooves; 12-a first lug; 13-a second lug; 14-a front fixing hole of the clay tile;

2-a flat fork plate; 21-axle hole; 22-a first cross plate; 221-a second band-type brake hole; 23-a second cross plate;

3, mounting a plate; 31-U-shaped slots; 32-mud tile rear fixing holes; 33-pedal fixing hole; 34-a first kidney-shaped hole; 35-second kidney-shaped hole; 36-a rectangular hole; 37-screw holes;

4-an extension plate;

5, fixing a plate; 51-a damper mounting hole;

6-holding the gate plate; 61-first contracting brake hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

The front, rear, upper, lower, and the like concepts described in the present embodiment are based on the front, rear, left, right, and the like concepts shown in fig. 2, and specifically, the left side shown in fig. 2 is front, the right side shown in fig. 2 is rear, the upper side shown in fig. 2 is upper, and the lower side shown in fig. 2 is lower.