Bushing inner core structure
By introducing performance debugging blocks and limiting washers into the bushing core structure, the problem of the inability to quickly verify multiple schemes in the integral bushing core was solved, enabling rapid verification of product performance of multiple schemes and reducing development cycle and resource waste.
Patent Information
- Application Number
- CN202520259981.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-18
AI Technical Summary
The existing bushing core structure is a single piece, which makes it impossible to quickly verify the effectiveness of multiple product solutions, resulting in long development cycles, high costs, and the need for a lot of manpower and resources.
Design a bushing inner core structure, including a bushing inner core, bushing rubber, and bushing outer tube. A performance adjustment block is provided between the inner core and the rubber, which is connected by an interference fit between a T-shaped protrusion and a groove. A limiting washer is set at the connection between the rubber and the step to realize rapid verification of the product performance of multiple schemes.
It enables rapid verification of product performance across multiple solutions, reduces development cycle and resource waste, and meets vehicle performance requirements.
Smart Images

Figure CN223908672U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a new product structure field of automobile parts, especially a bushing inner core structure. BACKGROUND
[0002] With the rapid development of the automobile industry, with the requirement of product development more and more, and the rhythm of development faster and faster, the parts of the same platform development need to optimize the verification part of the limiting structure adjustment under the condition of the same assembly size, the traditional product structure needs to redevelop the outsourcing parts, and every time performance debugging, the test result comes out, and then according to the actual performance result, the product structure of the next round of verification is optimized, which needs more time for development verification, and needs a lot of manpower and material resources support;The existing bushing inner core and performance debugging block and rubber and outer pipe are integrated structure, the existing bushing inner core structure cannot meet the rapid verification of multiple product scheme effects, thereby increasing the development cost of the product and increasing the verification debugging cycle. INVENTION CONTENTS
[0003] In view of the problem that the existing bushing inner core structure cannot meet the rapid verification of multiple product scheme effects, a bushing inner core structure is provided.
[0004] The technical scheme of the utility model is as follows: a bushing inner core structure, including bushing inner core, bushing rubber, bushing outer pipe, performance debugging block;The bushing inner core is cylindrical, the outer side of the bushing inner core is provided with bushing rubber, and the outer side of the bushing rubber is provided with bushing outer pipe;Performance debugging block is arranged between the bushing inner core and the bushing rubber.
[0005] Preferably, the top and bottom of the bushing inner core are provided with steps, the outermost side of the step is provided with a plurality of T-shaped grooves, the top and bottom inner side of the performance debugging block is also provided with a plurality of T-shaped protrusions at the corresponding positions, and the T-shaped protrusions are connected with the T-shaped grooves.
[0006] Preferably, the T-shaped protrusions and the T-shaped grooves are connected in interference fit.
[0007] Preferably, the top and bottom of the bushing rubber are connected with the steps to form a circular groove, and a limiting washer is arranged in the groove.
[0008] Preferably, the limiting washer and the groove are connected in interference fit.
[0009] Preferably, the inner side of the bushing inner core is provided with a vertical through hole, and a vertical positioning groove is arranged on the inner side wall of the bushing inner core.
[0010] The utility model has the advantages that: on the basis of similar structure, the internal structure of the bushing is changed, the product scheme effect of multiple schemes can be quickly verified to meet the performance requirements of the vehicle. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is the perspective view of the inner core structure of the bushing of the utility model;
[0012] Figure 2 It is the longitudinal section view of the three-dimensional of the inner core structure of the bushing of the utility model;
[0013] Figure 3 It is the perspective view of the inner core of the bushing;
[0014] Figure 4 It is the perspective view of the limiting washer.
[0015] In the drawing, the component name corresponding to each reference sign is as follows:
[0016] 1, inner core of bushing; 11, step; 12, T-shaped groove; 13, positioning groove; 2, bushing rubber; 3, bushing outer tube; 4, performance debugging block; 41, T-shaped protrusion; 5, limiting washer. DETAILED DESCRIPTION
[0017] The utility model will be described in detail below in combination with the drawings and specific embodiments. The embodiment is implemented on the premise of the technical scheme of the utility model, and gives detailed implementation mode and specific operation process, but the protection scope of the utility model is not limited to the following examples.
[0018] Reference Figure 1 , 2 As shown in the figure, the embodiment of the application discloses an inner core structure of a bushing, which comprises an inner core of bushing 1, a bushing rubber 2, a bushing outer tube 3 and a performance debugging block 4; the inner core of bushing 1 is cylindrical, the outer side of the inner core of bushing 1 is sleeved with the bushing rubber 2, and the outer side of the bushing rubber 2 is provided with the bushing outer tube 3.
[0019] Reference Figure 2 , 3 As shown in the figure, the performance debugging block 4 is arranged between the inner core of bushing 1 and the bushing rubber 2, the top and bottom of the inner core of bushing 1 are provided with steps 11, the outermost side of the step 11 is provided with a plurality of T-shaped grooves 12, the top and bottom inner sides of the performance debugging block 4 are also provided with a plurality of T-shaped protrusions 41 at corresponding positions, and the T-shaped protrusions 41 are connected in interference fit with the T-shaped grooves 12; the performance debugging block 4 and the inner core of bushing 1 are prevented from shaking laterally.
[0020] The inner side center of the inner core of bushing 1 is provided with a vertical through hole, and a vertical positioning groove 13 is arranged on the inner side wall of the inner core of bushing 1; the positioning groove can accurately position the bushing pressing direction, thereby ensuring that the performance of the bushing in the specified direction can meet the road test requirements.
[0021] Reference Figure 2 , 4As shown, the top and bottom of the bush rubber 2 are connected with the step 11 to form a circular groove, and a limiting washer 5 is arranged in the groove, and the limiting washer 5 is in interference fit with the groove; the axial shaking of the performance debugging block 4 and the bush inner core 1 is avoided, the gasket limiting structure at both ends can avoid the axial stress of the bush, so that the performance debugging block 4 and the bush inner core 1 are axially dislocated, and then the product performance is affected.
[0022] The working principle is that the bush inner core 1 and the bush outer tube 3 are fixedly connected with the vehicle body, different bush rubber 2 structures need to be designed to meet the specific performance requirements under different road conditions, different performance debugging block 4 structures are needed to meet the test requirements, the utility model can quickly and synchronously verify multiple similar structures with different performance debugging block structures, the repeated development of the inner core structure is avoided, the development resources are saved, and the product performance of multiple schemes can be quickly verified.
[0023] The utility model has the advantages that on the basis of similar structures, the internal structure of the bush is changed, the product scheme effect of multiple schemes can be quickly verified to meet the performance requirements of the vehicle.
[0024] It should be noted that the above terms "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. The terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. The meaning of "multiple" is two or more. "Installation", "connection" and "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected.
[0025] The above is only a preferred embodiment of the utility model, and is not any form or substantial limitation on the utility model. It should be noted that, for ordinary skilled persons in the technical field, without departing from the premise of the utility model, a number of improvements and supplements can be made, which should also be regarded as the protection range of the utility model. For those skilled in the art, without departing from the spirit and scope of the utility model, some changes, modifications and equivalent changes made by using the technical content disclosed above are equivalent embodiments of the utility model; at the same time, any equivalent change, modification and evolution of the above-mentioned embodiments according to the essential technology of the utility model are still within the scope of the technical scheme of the utility model.
Claims
1. A bushing inner core structure characterized by, The application relates to a bushing, which comprises a bushing inner core (1), bushing rubber (2), a bushing outer tube (3) and a performance debugging block (4); the bushing inner core (1) is cylindrical, the bushing inner core (1) is sleeved with the bushing rubber (2) on the outside, and the bushing rubber (2) is provided with the bushing outer tube (3) on the outside; the performance debugging block (4) is arranged between the bushing inner core (1) and the bushing rubber (2).
2. The bushing core structure of claim 1, wherein The top and bottom of the bushing inner core (1) are provided with steps (11), the outermost side of the steps (11) is provided with a plurality of T-shaped grooves (12), the corresponding positions on the inner side of the top and bottom of the performance debugging block (4) are also provided with a plurality of T-shaped protrusions (41), and the T-shaped protrusions (41) are connected with the T-shaped grooves (12) in a matched mode.
3. The bushing core structure of claim 2, wherein The T-shaped protrusions (41) and the T-shaped grooves (12) are connected in an interference matched mode.
4. The bushing core structure of claim 2, wherein The top and bottom of the bushing rubber (2) are connected with the steps (11) to form circular ring grooves, and the grooves are provided with limiting washers (5).
5. The bushing core structure of claim 4, wherein The limiting washers (5) are connected with the grooves in an interference matched mode.
6. The bushing core structure of claim 1, wherein The inside of the bushing inner core (1) is provided with a vertical through hole, and the inner side wall of the bushing inner core (1) is provided with a vertical positioning groove (13).