Insert injection molding brake pedal arm and quick insertion connecting structure thereof
By combining metal inserts with injection molded parts through insert injection molding technology, the production complexity and weight issues of brake pedal arms have been solved, achieving efficient production and lightweight design.
Patent Information
- Application Number
- CN202520509726.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-21
AI Technical Summary
The existing metal stamping and welding processes for brake pedal arms are complex, increasing the complexity and cost of the production process, and their weight is relatively large, which is not conducive to the lightweighting of automobiles.
The insert injection molding technology is used to combine the metal insert with the injection molded part to form the insert injection molded brake pedal arm through one-piece injection molding. It includes the metal insert and the injection molded part. The injection molded part is provided with reinforcing ribs and mounting grooves for connection with the quick socket, which reduces weight and cost.
It improves production efficiency, reduces the weight and cost of brake pedal arms, while maintaining strength and functionality, in line with automotive lightweight design.
Smart Images

Figure CN223905032U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to brake pedal arm technology field especially relates to a kind of insert injection molding brake pedal arm and its quick plug connection structure. BACKGROUND
[0002] In the automobile brake system, brake pedal arm is a key component, and its performance is directly related to the reliability and safety of vehicle braking. In the prior art, brake pedal arm is usually formed by metal stamping, and the quick plug connection structure of injection molding booster pump ball head is also formed by metal stamping, and then the two are connected together by welding. This structure design has the following shortcomings: 1. The quick plug connection structure and the pedal arm need to be formed by metal stamping respectively, and then welded, which increases the complexity of production process and production cycle, reduces production efficiency and increases production cost; 2. The metal material itself is heavy, so the whole brake pedal arm assembly is heavy, which is not conducive to the lightweight design of the automobile, and the welding cost of metal material is relatively high, which leads to the increase of the overall cost of the product. SUMMARY
[0003] The utility model aims to provide a kind of insert injection molding brake pedal arm and its quick plug connection structure to solve the problems raised in the above background.
[0004] To solve the above technical problems, the utility model provides the following technical scheme: a kind of insert injection molding brake pedal arm and its quick plug connection structure, including metal insert and injection molding part, the metal insert is fixedly connected in the injection molding part, the lower surface of injection molding part is provided with installation slot, the outer wall of injection molding part is fixedly connected with second reinforcing rib, the outer wall of injection molding part on both sides is provided with third reinforcing rib, and the third reinforcing rib is fixedly connected on the second reinforcing rib, and the pedal face is fixedly connected on the injection molding part.
[0005] Preferably, one end of the metal insert is provided with a shaft hole, and the other end is provided with a fixing hole.
[0006] Preferably, the injection molding part is fixedly connected with a shaft sleeve at a position corresponding to the shaft hole, and a process hole is provided at a position corresponding to the fixing hole.
[0007] Preferably, the upper surface of the metal insert is fixedly connected with a first reinforcing rib.
[0008] Preferably, the lower surface of the metal insert is provided with an opening at a position corresponding to the installation slot.
[0009] Preferably, a hemispherical groove is provided in the installation slot, first clamping grooves are provided on the inner walls of both sides of the installation slot, and second clamping grooves are provided on the inner walls of the other two sides of the installation slot.
[0010] The embedded injection-molded brake pedal arm and the quick plug connection structure thereof have the advantages that the injection-molded part and the metal embedded part are combined, the weight and cost of the pedal arm are reduced on the basis of ensuring the strength and function of the pedal arm, and the connection structure of the injection-molded part and the quick socket is integrally injection-molded, thereby effectively improving the production efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0011] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings described in the following are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.
[0012] Figure 1 It is a whole three-dimensional structure schematic view of the present application;
[0013] Figure 2 It is a main view structure schematic view of the metal embedded part of the present application;
[0014] Figure 3 It is a whole main view structure schematic view of the present application;
[0015] Figure 4 It is an assembly schematic view of the present application, the quick socket, the base and the pedal body;
[0016] Figure 5 It is a three-dimensional structure schematic view of the quick socket.
[0017] In the drawing: 1, metal embedded part; 11, shaft hole; 12, fixing hole; 13, notch; 14, first reinforcing rib; 2, injection-molded part; 21, shaft sleeve; 22, process hole; 23, second reinforcing rib; 24, mounting groove; 25, hemispherical groove; 26, first clamping groove; 27, second clamping groove; 28, third reinforcing rib; 29, pedal surface; 3, pedal body; 4, quick socket; 5, connecting shaft; 6, base. DETAILED DESCRIPTION
[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical scheme in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.
[0019] Please refer to the drawings Figure 1 -ATTACHMENTFigure 5 The utility model provides an embedded part injection molding brake pedal arm and quick plug connection structure thereof, including metal embedded part 1 and injection part 2, the injection part 2 is fixedly connected with metal embedded part 1, the lower surface of injection part 2 is equipped with installation groove 24, the outer wall of injection part 2 is fixedly connected with second reinforcing rib 23, the both sides outer walls of injection part 2 are all provided with third reinforcing rib 28, and third reinforcing rib 28 is fixedly connected on second reinforcing rib 23, and injection part 2 is fixedly connected with pedal face 29, metal embedded part 1 is used to improve the mechanical strength of pedal arm, injection part 2 is used to reduce the weight of pedal arm on the basis of guaranteeing the strength and function of pedal arm, installation groove 24 is used to install quick socket 4, second reinforcing rib 23 and third reinforcing rib 28 are used to improve the mechanical strength of injection part 2, and pedal face 29 is used to install pedal body 3;One end of metal embedded part 1 is equipped with shaft hole 11, and the other end is equipped with fixed hole 12, and shaft hole 11 is used to accommodate connecting shaft 5, and fixed hole 12 is used to fix metal embedded part 1 in mould;Injection part 2 is fixedly connected with shaft sleeve 21 at the position corresponding to shaft hole 11, and injection part 2 is equipped with process hole 22 at the position corresponding to fixed hole 12, and shaft sleeve 21 is used to accommodate connecting shaft 5, and process hole 22 is used to fix during injection molding;The upper surface of metal embedded part 1 is fixedly connected with first reinforcing rib 14, and first reinforcing rib 14 is used to improve the mechanical strength of metal embedded part 1;The lower surface of metal embedded part 1 is equipped with gap 13 at the position corresponding to installation groove 24, and gap 13 is used to avoid installation groove 24;Semicircular groove 25 is equipped in installation groove 24, first clamping groove 26 is equipped on the inner wall of both sides of installation groove 24, second clamping groove 27 is equipped on the inner wall of the other two sides of installation groove 24, and semicircular groove 25 is used to accommodate quick socket 4, and first clamping groove 26 and second clamping groove 27 are used to be clamped and fixed with quick socket 4.
[0020] Working principle: when manufacturing the utility model, first, metal stamping is used to make metal embedded part 1, then the formed metal embedded part 1 is placed in the mould, the process of embedded part injection molding is adopted, and injection part 2 is directly formed by injection molding, when installing and using the utility model, install quick socket 4 in installation groove 24, make the elastic clamping block structure on quick socket 4 be clamped and fixed with first clamping groove 26 and second clamping groove 27, connect injection part 2 with base 6 through connecting shaft 5, and install pedal body 3 on pedal face 29;Among them, shaft hole 11 and shaft sleeve 21 are used to accommodate connecting shaft 5, fixed hole 12, process hole 22, first reinforcing rib 14, second reinforcing rib 23 and third reinforcing rib 28 are all used to improve the mechanical strength of pedal arm, gap 13 is used to avoid installation groove 24, semicircular groove 25 is used to accommodate quick socket 4, and quick socket 4 is used to install booster pump ball head.
[0021] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the term "mount", "link", "connect" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication.For the ordinary skilled in the art, the above-mentioned terms can be understood in the specific meaning of the utility model according to the specific circumstances.
[0022] The device embodiments described above are only schematic, wherein the units described as separate components can or can not be physically separate, and the components displayed as units can or can not be physical units, that is, they can be located in one place, or distributed on multiple network units.
[0023] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the utility model, and not to limit them;Although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features;And these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.
Claims
1. An insert-molded brake pedal arm and its quick plug-in connection structure, comprising a metal insert (1) and an injection-molded part (2), characterized in that: The metal insert (1) is fixedly connected in the injection molding part (2), an installation groove (24) is arranged on the lower surface of the injection molding part (2), a second reinforcing rib (23) is fixedly connected on the outer wall of the injection molding part (2), third reinforcing ribs (28) are arranged on the outer walls of the two sides of the injection molding part (2), the third reinforcing ribs (28) are fixedly connected on the second reinforcing rib (23), and a pedal surface (29) is fixedly connected on the injection molding part (2).
2. The insert-molded brake pedal arm and its quick plug-in connection structure according to claim 1, characterized in that: One end of the metal insert (1) is provided with an axle hole (11), and the other end is provided with a fixing hole (12).
3. The insert-molded brake pedal arm and its quick plug-in connection structure according to claim 1, characterized in that: An axle sleeve (21) is fixedly connected on the injection molding part (2) at a position corresponding to the axle hole (11), and a process hole (22) is arranged on the injection molding part (2) at a position corresponding to the fixing hole (12).
4. The insert-molded brake pedal arm and its quick plug-in connection structure according to claim 2, characterized in that: A first reinforcing rib (14) is fixedly connected on the upper surface of the metal insert (1).
5. The insert-molded brake pedal arm and its quick plug-in connection structure according to claim 4, characterized in that: An opening (13) is arranged on the lower surface of the metal insert (1) at a position corresponding to the installation groove (24).
6. An insert-molded brake pedal arm and its quick plug-in connection structure according to claim 5, characterized in that: A hemispherical groove (25) is arranged in the installation groove (24), first clamping grooves (26) are arranged on the inner walls of the two sides of the installation groove (24), and second clamping grooves (27) are arranged on the inner walls of the other two sides of the installation groove (24).