An inspection fixture for motorcycle fuel tanks

Abstract

The utility model relates to motorcycle oil tank testing fixture technical field, concretely relates to a kind of inspection fixture for motorcycle oil tank: including bottom plate, front end bolt seat, rear end bolt seat, front end positioning seat, rear end positioning seat and two side bolt detection units, the fixture is with bottom plate as reference platform, through front end positioning seat, rear end positioning seat and positioning shaft accurate simulation oil tank actual assembly state on frame, realize quick positioning and fixed;Meanwhile, symmetrical degree check pin group is arranged in front and rear end, side edge limit pin and side appearance piece connecting position check pin are set in both sides, form the complete detection system of covering the key installation point of oil tank, and each check pin tail portion is equipped with scale ring, can directly read position deviation value in detection process, the structure integrates multiple position detection, easy to operate intuitive, greatly improve detection efficiency, reduce the dependence on professional equipment and personnel, significantly save time and economic cost.

Description

Technical Field

[0001] This utility model relates to the field of motorcycle fuel tank inspection tools, and in particular to an inspection fixture for motorcycle fuel tanks. Background Technology

[0002] As a crucial exterior and functional component of the motorcycle, the manufacturing precision and overall condition of the fuel tank directly impact the vehicle's visual appeal, assembly quality, and the compatibility of related parts. Because motorcycle fuel tanks typically have complex three-dimensional curved surfaces, inherent deformation is unavoidable during stamping, welding, and other manufacturing processes. Furthermore, the fuel tank not only connects to the frame via mounting points but also features multiple lugs and mounting holes for installing side covers, seats, decorative parts, and other exterior components. These mounting points are interconnected and influence each other, collectively determining the overall clearances and level of variation in the motorcycle's appearance.

[0003] Currently, the inspection of motorcycle fuel tanks mainly relies on methods such as coordinate measuring machine (CMM) and 3D scanning, which suffer from high costs, long processing times, and the inability to quickly assess the condition online. Therefore, there is an urgent need for a specialized fixture that can quickly, intuitively, and cost-effectively inspect the installation position and overall condition of the fuel tank. Summary of the Invention

[0004] The purpose of this utility model is to provide an inspection fixture for motorcycle fuel tanks, which solves the problems of high cost, long time consumption, and inability to quickly judge online in the existing technology for inspecting motorcycle fuel tanks, which mostly rely on methods such as coordinate measuring machine and three-dimensional scanning.

[0005] To achieve the above objectives, this utility model provides an inspection fixture for motorcycle fuel tanks. The inspection fixture for motorcycle fuel tanks includes a base plate, a front pin seat, a rear pin seat, a front positioning seat, a rear positioning seat, and two side pin detection units. The front pin seat and the rear pin seat are respectively provided at the front and rear ends of the upper surface of the base plate. The side pin detection units are provided on both the left and right sides of the upper surface of the base plate. The front positioning seat and the rear positioning seat are also provided on the upper surface of the base plate. The front positioning seat is located on the side of the front pin seat that is close to the rear pin seat, and the rear positioning seat is located on the side of the rear pin seat that is close to the front pin seat. Both the front-end positioning seat and the rear-end positioning seat are provided with positioning shafts. Both the front-end pin seat and the rear-end pin seat are provided with symmetry checking pin groups. Both ends of each side pin detection unit are provided with side edge limiting pins. The middle of each side pin detection unit is provided with a side appearance component connection position checking pin. The tail of the symmetry checking pin group and the side appearance component connection position checking pin are provided with a scale ring for displaying the position deviation.

[0006] Each of the side pin detection units includes a front side pin seat, a rear side pin seat, and multiple middle side pin seats. The front side pin seat and the rear side pin seat are respectively installed on the side of the front positioning seat and the side of the rear positioning seat. The multiple middle side pin seats are installed between the corresponding front side pin seat and the rear side pin seat. The front side pin seat and the rear side pin seat are each provided with a side edge limiting pin. Each middle side pin seat is provided with a side appearance component connection position inspection pin.

[0007] Handles are provided at each of the four top corners of the base plate.

[0008] The front pin seat, the rear pin seat, the front positioning seat, the rear positioning seat, each side front pin seat, each side rear pin seat, and each side middle pin seat are provided with fixing blocks on both sides of the bottom, and the fixing blocks are fixed to the base plate by screws.

[0009] Both the front and rear pin holders are provided with hollowed-out grooves.

[0010] This utility model discloses an inspection fixture for motorcycle fuel tanks, comprising a base plate, a front pin seat, a rear pin seat, a front positioning seat, a rear positioning seat, and two side pin detection units. The fixture uses the base plate as a reference platform and, through the front and rear positioning seats and the positioning shaft, accurately simulates the actual assembly state of the fuel tank on the frame, achieving rapid positioning and fixation. Simultaneously, symmetry inspection pin groups are arranged at the front and rear ends, and side edge limiting pins and side appearance component connection position inspection pins are set on both sides, forming a complete inspection system covering key installation points of the fuel tank. Furthermore, each inspection pin has a graduated ring at its end, allowing direct reading of position deviation values ​​during inspection. This structure integrates multi-position detection into one unit, making operation simple and intuitive, significantly improving inspection efficiency, reducing reliance on specialized equipment and personnel, and significantly saving time and economic costs. Attached Figure Description

[0011] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0012] Figure 1 This is a structural schematic diagram of the inspection fixture for motorcycle fuel tanks provided by this utility model.

[0013] Figure 2 This utility model provides Figure 1 A magnified view of the local structure at point A.

[0014] Figure 3 This is a side view of the inspection fixture for motorcycle fuel tanks provided by this utility model.

[0015] 101-Base plate, 102-Front end pin seat, 103-Rear end pin seat, 104-Front end positioning seat, 105-Rear end positioning seat, 106-Positioning shaft, 107-Symmetry check pin group, 108-Side edge limiting pin, 109-Side appearance part connection position check pin, 110-Scale ring, 111-Side front end pin seat, 112-Side rear end pin seat, 113-Side middle pin seat, 114-Handle, 115-Fixing block, 116-Hollow slot. Detailed Implementation

[0016] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0017] Please see Figures 1 to 3 This utility model provides an inspection fixture for a motorcycle fuel tank. The inspection fixture for a motorcycle fuel tank includes a base plate 101, a front pin seat 102, a rear pin seat 103, a front positioning seat 104, a rear positioning seat 105, and two side pin detection units. The front pin seat 102 and the rear pin seat 103 are respectively provided at the front and rear ends of the upper surface of the base plate 101. The side pin detection units are provided on both the left and right sides of the upper surface of the base plate 101. The front positioning seat 104 and the rear positioning seat 105 are also provided on the upper surface of the base plate 101. The front positioning seat 104 is located on the side of the front pin seat 102 that is close to the rear pin seat 103, and the rear positioning seat 105 is located on the side of the rear pin seat 103 that is close to the front pin seat 102. Positioning shafts 106 are provided on both the front positioning seat 104 and the rear positioning seat 105. Symmetry checking pin groups 107 are provided on both the front pin seat 102 and the rear pin seat 103. Side edge limiting pins 108 are provided at both ends of each side pin detection unit. Side appearance component connection position checking pins 109 are provided in the middle of each side pin detection unit. The tails of the symmetry checking pin groups 107 and the side appearance component connection position checking pins 109 are provided with scale rings 110 for displaying the position deviation.

[0018] In this embodiment, the fixture uses the base plate 101 as a reference platform. The front positioning seat 104, the rear positioning seat 105, and the positioning shaft 106 accurately simulate the actual assembly state of the fuel tank on the vehicle frame, achieving rapid positioning and fixation. At the same time, the symmetry inspection pin group 107 is arranged at the front and rear ends, and the side edge limiting pin 108 and the side appearance component connection position inspection pin 109 are set on both sides, forming a complete inspection system covering the key installation points of the fuel tank. Each inspection pin has a scale ring 110 at its tail, which can directly read the position deviation value during the inspection process. This structure integrates multi-position detection into one, which is simple and intuitive to operate, greatly improves the inspection efficiency, reduces the dependence on professional equipment and personnel, and significantly saves time and economic costs.

[0019] Furthermore, each of the side pin detection units includes a side front pin seat 111, a side rear pin seat 112, and a plurality of side middle pin seats 113. The side front pin seat 111 and the side rear pin seat 112 are respectively installed on the side of the front positioning seat 104 and the side of the rear positioning seat 105. The plurality of side middle pin seats 113 are installed between the corresponding side front pin seat 111 and the side rear pin seat 112. The side front pin seat 111 and the side rear pin seat 112 are each provided with a side edge limiting pin 108. Each side middle pin seat 113 is provided with a side appearance component connection position inspection pin 109.

[0020] In this embodiment, the installation of the side edge limiting pin 108 and the side appearance component connection position inspection pin 109 is completed by setting the side front end pin seat 111, the side rear end pin seat 112 and the plurality of side middle pin seats 113.

[0021] Furthermore, handles 114 are provided at each of the four top corners of the base plate 101.

[0022] In this embodiment, the handle 114 facilitates the handling of the entire clamp.

[0023] Furthermore, fixing blocks 115 are provided on both sides of the bottom of the front pin seat 102, the rear pin seat 103, the front positioning seat 104, the rear positioning seat 105, each of the side front pin seats 111, each of the side rear pin seats 112 and each of the side middle pin seats 113, and the fixing blocks 115 are fixed to the base plate 101 by screws.

[0024] In this embodiment, the installation of the front pin seat 102, the rear pin seat 103, the front positioning seat 104, the rear positioning seat 105, each of the side front pin seats 111, each of the side rear pin seats 112, and each of the side middle pin seats 113 is facilitated by the setting of the fixing block 115.

[0025] Furthermore, both the front pin seat 102 and the rear pin seat 103 are provided with hollowed-out grooves 116.

[0026] In this embodiment, the overall weight of the entire fixture is reduced by setting the hollowed-out groove 116.

[0027] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Those skilled in the art can understand that implementing all or part of the above-described embodiments and making equivalent changes in accordance with the claims of the present utility model are still within the scope of the utility model.

Claims

1. An inspection fixture for motorcycle fuel tanks, characterized in that, The device includes a base plate, a front pin seat, a rear pin seat, a front positioning seat, a rear positioning seat, and two side pin detection units. The front pin seat and the rear pin seat are respectively provided at the front and rear ends of the upper surface of the base plate. The side pin detection units are provided on both the left and right sides of the upper surface of the base plate. The front positioning seat and the rear positioning seat are also provided on the upper surface of the base plate. The front positioning seat is located on the side of the front pin seat that is close to the rear pin seat, and the rear positioning seat is located on the side of the rear pin seat that is close to the front pin seat. Both the front-end positioning seat and the rear-end positioning seat are provided with positioning shafts. Both the front-end pin seat and the rear-end pin seat are provided with symmetry checking pin groups. Both ends of each side pin detection unit are provided with side edge limiting pins. The middle of each side pin detection unit is provided with a side appearance component connection position checking pin. The tail of the symmetry checking pin group and the side appearance component connection position checking pin are provided with a scale ring for displaying the position deviation.

2. The inspection fixture for motorcycle fuel tanks as described in claim 1, characterized in that, Each side pin detection unit includes a front side pin seat, a rear side pin seat, and multiple middle side pin seats. The front side pin seat and the rear side pin seat are respectively installed on the side of the front positioning seat and the side of the rear positioning seat. The multiple middle side pin seats are installed between the corresponding front side pin seat and the rear side pin seat. The front side pin seat and the rear side pin seat are each provided with a side edge limiting pin. Each middle side pin seat is provided with a side appearance component connection position inspection pin.

3. The inspection fixture for motorcycle fuel tanks as described in claim 2, characterized in that, Handles are provided at each of the four top corners of the base plate.

4. The inspection fixture for motorcycle fuel tanks as described in claim 3, characterized in that, The front pin seat, the rear pin seat, the front positioning seat, the rear positioning seat, each side front pin seat, each side rear pin seat, and each side middle pin seat are provided with fixing blocks on both sides of the bottom, and the fixing blocks are fixed to the base plate by screws.

5. The inspection fixture for motorcycle fuel tanks as described in claim 4, characterized in that, Both the front and rear pin holders are provided with hollowed-out grooves.

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