Light welding type automobile aluminum alloy breast board
By setting positioning blocks and tensioning stabilizers in the aluminum alloy railing, and utilizing the attraction of electromagnets and the tension of screws to achieve tight welding of the railing, the problem of poor welding stability is solved and the welding effect is improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-14
- Publication Date
- 2026-03-24
AI Technical Summary
Existing lightweight welded aluminum alloy railings are difficult to press stably before welding, resulting in poor welding stability.
By installing positioning blocks at the top and bottom of the middle plate of the balustrade and setting positioning grooves at the ends of the lower and upper plates of the balustrade, combined with tensioning stabilizers and negative pressure fixing components, the balustrade is tightly welded using the attraction of an electromagnet and the tension of a screw.
This improved the welding stability of the railings, ensuring the stability and effectiveness of the welding process.
Smart Images

Figure CN224029096U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of aluminum alloy railing technology, specifically a lightweight welded automotive aluminum alloy railing. Background Technology
[0002] According to the patent document with authorization announcement number "CN216185540U" and invention title "A Lightweight Welded Aluminum Alloy Balustrade", the description states: A lightweight welded aluminum alloy balustrade includes a welded lower balustrade plate, a connecting module, and an upper balustrade plate. Insertion structures are provided between the lower balustrade plate and the connecting module, and between the connecting module and the upper balustrade plate. The connecting module includes several middle balustrade plates welded end-to-end. Insertion structures are also provided between adjacent middle balustrade plates. Each insertion structure includes a male head and a female groove. The lower end of the lower balustrade plate is fixedly installed on a vehicle, and the upper end of the lower balustrade plate has... The upper and lower ends of the balustrade plate are provided with female grooves that mate with the connecting module, and the two ends of the middle plate of the balustrade plate are respectively provided with female heads and female grooves. The female heads of the middle plates of the balustrade plate are inserted into the female grooves of the adjacent middle plates of the balustrade plate. After the upper, middle, and lower plates of the balustrade plate are inserted, they are connected by welding at the joint. Welding connects multiple parts into a whole, improving strength. At the same time, by inserting the female heads into the female grooves, the upright plates support the two side walls of the female grooves to achieve auxiliary support between adjacent components, further improving the structural strength at the welding position and preventing the balustrade plate from bending laterally. However, the following defects still exist:
[0003] The balustrade is welded together from the upper balustrade plate, the middle balustrade plate, and the lower balustrade plate. The upper balustrade plate, the middle balustrade plate, and the lower balustrade plate need to be positioned and connected before welding. It is not easy to press them together, which makes the stability during welding poor and affects the welding effect. Utility Model Content
[0004] In view of the above situation and to overcome the defects of the prior art, this utility model provides a lightweight welded aluminum alloy car side panel, which effectively solves the problem that the upper, middle and lower panels of the side panel are not easy to press together, resulting in poor stability during welding.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a lightweight welded automotive aluminum alloy side panel, comprising a lower side panel, a middle side panel, and an upper side panel. The lower side panel, middle side panel, and upper side panel are welded together from bottom to top. Positioning blocks are evenly installed at the top and bottom of the middle side panel. Positioning grooves are evenly formed at the top of the lower side panel and the bottom of the upper side panel. The positioning blocks are inserted into the positioning grooves. Smooth surfaces are provided on the front of the lower side panel, the middle side panel, and the upper side panel. Tensioning and stabilizing components are installed between the lower side panel, the middle side panel, and the upper side panel.
[0006] Preferably, the tension stabilizer comprises a first mounting plate arranged on the smooth surface of the middle plate of the fence, a fixing box is fixedly arranged on the first mounting plate, side grooves are symmetrically arranged on the upper and lower sides of the fixing box, and a movable plate is movably arranged in the fixing box.
[0007] Preferably, the other end of each of the two connecting rods is hingedly connected with a second mounting plate, the two second mounting plates are arranged on the smooth surface of the lower plate of the fence and the smooth surface of the upper plate of the fence respectively, and the first mounting plate and the two second mounting plates are connected with the smooth surfaces through negative pressure fixing devices.
[0008] Preferably, a screw cylinder is arranged on the side of the fixing box away from the first mounting plate, a screw rod is screwedly arranged in the screw cylinder, a limiting rotating block is arranged at one end of the screw rod, and the limiting rotating block is rotatably arranged in a limiting rotating groove arranged in the movable plate.
[0009] Preferably, the negative pressure fixing device comprises a fixing cylinder arranged on the first mounting plate and the second mounting plate, the inner cavity of the fixing cylinder penetrates to the side of the first mounting plate and the second mounting plate close to the smooth surface, a piston is movably arranged in the fixing cylinder, the outer wall of the piston is tightly attached to the inner wall of the fixing cylinder, and a plurality of communication holes are uniformly arranged on the end of the fixing cylinder away from the smooth surface.
[0010] Preferably, a spring is arranged at the end of the piston away from the smooth surface, the end of the piston is fixedly connected with the inner wall of the end of the fixing cylinder away from the smooth surface, a magnetic block is arranged on the piston, an electromagnet is fixedly arranged on the inner wall of the end of the fixing cylinder away from the smooth surface, and the plurality of electromagnets are connected in series.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] In work, the middle plate of the fence is fixed with the first mounting plate, the two second mounting plates are fixed with the lower plate and the upper plate of the fence respectively, the movable plate is moved away from the middle plate of the fence by screwing the screw rod, then the two second mounting plates are pulled to each other by the two connecting rods, so that the lower plate and the upper plate of the fence are tightly attached to the middle plate of the fence, and the welding stability of the lower plate, the middle plate and the upper plate of the fence is improved.
[0013] In work, the surfaces of the lower plate, the middle plate and the upper plate of the fence are all provided with smooth surfaces, the first mounting plate and the two second mounting plates are tightly attached to the three smooth surfaces, the electromagnet is electrified to generate an attractive force on the magnetic block, the piston is moved away from the smooth surface, a negative pressure is generated between the end of the piston and the smooth surface, and the first mounting plate and the two second mounting plates are fixed, so that welding is facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0014] The accompanying drawings are used to provide further understanding of the present application, and form a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application.
[0015] In the drawings:
[0016] Figure 1 It is a schematic view of the light-weight welded automobile aluminum alloy panel structure of the present application;
[0017] Figure 2 It is a schematic view of the panel structure of the present application;
[0018] Figure 3 It is a schematic view of the tension stabilizing member structure of the present application;
[0019] Figure 4 It is a schematic view of the internal structure of the fixed box of the present application;
[0020] Figure 5 It is a schematic view of the negative pressure fixing member structure of the present application.
[0021] In the drawings: 1, panel lower plate; 2, panel middle plate; 3, panel upper plate; 4, positioning block; 5, positioning groove; 6, smooth surface; 7, tension stabilizing member; 701, first mounting plate; 702, fixed box; 703, second mounting plate; 704, side groove; 705, movable plate; 706, connecting rod; 707, screw cylinder; 708, screw rod; 8, negative pressure fixing member; 801, fixed cylinder; 802, piston; 803, spring; 804, magnetic block; 805, electromagnet; 806, communication hole. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. 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 scope of protection of the present application.
[0023] Embodiment one, by Figures 1-5The utility model relates to light welding type automobile aluminum alloy panel, including panel lower plate 1, panel middle plate 2 and panel upper plate 3, panel lower plate 1, panel middle plate 2 and panel upper plate 3 are installed welding from bottom to top, and the top end and the bottom end of panel middle plate 2 are evenly installed with locating block 4, and the top end of panel lower plate 1 and the bottom end of panel upper plate 3 are evenly provided with locating groove 5, and locating block 4 is inserted into the inside of locating groove 5, and the front of panel lower plate 1, the front of panel middle plate 2 and the front of panel upper plate 3 are evenly provided with smooth surface 6, and panel lower plate 1, panel middle plate 2 and panel upper plate 3 are installed and set up tension stabilizing piece 7.
[0024] Tension stabilizing piece 7 includes the first installation plate 701 of being located on the smooth surface 6 of panel middle plate 2, and the fixed mounting of fixed box 702 is installed on the first installation plate 701, and the upper and lower sides of fixed box 702 are symmetrically provided with side groove 704, and the inside movable mounting of movable plate 705 is installed in fixed box 702, and the upper and lower sides of movable plate 705 are symmetrically hinged with connecting rod 706, and the other end of two connecting rods 706 is hinged with second installation plate 703, and the smooth surface 6 of panel lower plate 1 and the smooth surface 6 of panel upper plate 3 are respectively arranged on the two second installation plate 703, and the first installation plate 701 and two second installation plate 703 are connected with smooth surface 6 through negative pressure fixing piece 8, and the side away from the first installation plate 701 of fixed box 702 is installed with screw cylinder 707, and the inside screw thread of screw rod 708 is installed with screw rod 708, and the one end of screw rod 708 is installed with limit rotary block, and limit rotary block is rotatably installed in limit rotary groove, and limit rotary groove is set up in the inside of movable plate 705, and panel middle plate 2 is fixed with the first installation plate 701, and two second installation plate 703 are fixed with panel lower plate 1 and panel upper plate 3, and screw rod 708 is twisted and movable plate 705 is pulled to move away from the side of panel middle plate 2, and then the pulling force of two second installation plate 703 is generated through two connecting rods 706, so that panel lower plate 1 and panel upper plate 3 are closely attached with panel middle plate 2, and the welding stability of panel lower plate 1, panel middle plate 2 and panel upper plate 3 is improved.
[0025] The negative pressure fixing part 8 comprises fixing cylinders 801 installed on the first mounting plate 701 and the second mounting plate 703, the inner cavities of the fixing cylinders 801 penetrate to the side of the first mounting plate 701 and the second mounting plate 703 close to the smooth surface 6, the movable pistons 802 are movably installed in the fixing cylinders 801, the outer wall of the piston 802 is close to the inner wall of the fixing cylinder 801, the communicating holes 806 are uniformly arranged at the end of the fixing cylinder 801 away from the smooth surface 6, the spring 803 is installed at the end of the piston 802 away from the smooth surface 6, one end of the piston 802 is fixedly connected with the inner wall of the end of the fixing cylinder 801 away from the smooth surface 6, the magnetic block 804 is installed on the piston 802, the electromagnets 805 are fixedly installed on the inner wall of the end of the fixing cylinder 801 away from the smooth surface 6, the plurality of electromagnets 805 are connected in series, the smooth surface 6 is arranged on the surface of the lower plate 1, the middle plate 2 and the upper plate 3 of the fence plate, the first mounting plate 701 and the two second mounting plates 703 are close to the three smooth surfaces 6 respectively, the electromagnets 805 are electrified to generate the attraction force to the magnetic block 804, so that the piston 802 moves away from the smooth surface 6, and the negative pressure is generated between the end of the piston 802 and the smooth surface 6, so that the first mounting plate 701 and the two second mounting plates 703 are fixed, and the welding is facilitated.
[0026] Working principle: when working, first, the lower plate 1, the middle plate 2 and the upper plate 3 of the fence plate are connected from bottom to top through the positioning block 4 and the positioning groove 5, and then the three are welded;
[0027] The first mounting plate 701 is in contact with the smooth surface 6 on the middle plate 2 of the fence plate, the two second mounting plates 703 are in contact with the smooth surface 6 on the lower plate 1 and the smooth surface 6 on the upper plate 3 of the fence plate respectively, then the electromagnets 805 are controlled to be electrified, so that the electromagnets 805 generate the attraction force to the magnetic block 804, thereby driving the piston 802 to move towards the electromagnets 805, so that the end of each piston 802 generates the negative pressure suction force to the smooth surface 6, so that the first mounting plate 701 and the middle plate 2 of the fence plate are fixed, and the two second mounting plates 703 and the lower plate 1 and the upper plate 3 of the fence plate are fixed respectively;
[0028] Then the screw rod 708 is twisted, because the screw rod 708 is in threaded connection with the screw cylinder 707, the movable plate 705 is pulled to move away from the middle plate 2 of the fence plate, then the two second mounting plates 703 are pulled to move close to each other through the two connecting rods 706, and the lower plate 1 and the upper plate 3 of the fence plate are fixedly connected with the two second mounting plates 703 respectively, so that the lower plate 1 and the upper plate 3 of the fence plate are close to the middle plate 2 of the fence plate, thereby facilitating the welding of the lower plate 1, the middle plate 2 and the upper plate 3 of the fence plate.
Claims
1. A lightweight welded aluminum alloy car side panel, comprising a lower side panel (1), a middle side panel (2), and an upper side panel (3), characterized in that: The lower plate (1), middle plate (2), and upper plate (3) of the balustrade are installed and welded from bottom to top. Positioning blocks (4) are evenly installed at the top and bottom of the middle plate (2). Positioning grooves (5) are evenly opened at the top of the lower plate (1) and the bottom of the upper plate (3). The positioning blocks (4) are inserted into the positioning grooves (5). Smooth surfaces (6) are provided on the front of the lower plate (1), the middle plate (2), and the upper plate (3). Tensioning and stabilizing components (7) are installed between the lower plate (1), the middle plate (2), and the upper plate (3).
2. The lightweight welded automotive aluminum alloy side panel according to claim 1, characterized in that: The tensioning and stabilizing component (7) includes a first mounting plate (701) disposed on the smooth surface (6) of the middle plate (2) of the guardrail. A fixed box (702) is fixedly mounted on the first mounting plate (701). Side grooves (704) are symmetrically opened on the upper and lower sides of the fixed box (702). A movable plate (705) is movably installed inside the fixed box (702). Connecting rods (706) are symmetrically hinged on the upper and lower sides of the movable plate (705).
3. The lightweight welded automotive aluminum alloy side panel according to claim 2, characterized in that: The other end of each of the two connecting rods (706) is hinged to a second mounting plate (703). The two second mounting plates (703) are respectively provided with a smooth surface (6) on the lower plate (1) of the railing and a smooth surface (6) on the upper plate (3) of the railing. The first mounting plate (701) and the two second mounting plates (703) are respectively connected to the smooth surface (6) through a negative pressure fixing member (8).
4. The lightweight welded automotive aluminum alloy side panel according to claim 2, characterized in that: A screw barrel (707) is installed on the side of the fixed box (702) away from the first mounting plate (701). A screw rod (708) is installed on the internal thread of the screw rod (708). A limit block is installed at one end of the screw rod (708). The limit block is rotatably installed inside the limit groove. The limit groove is opened inside the movable plate (705).
5. The lightweight welded automotive aluminum alloy side panel according to claim 3, characterized in that: The negative pressure fixing component (8) includes a fixing cylinder (801) installed on the first mounting plate (701) and the second mounting plate (703). The inner cavity of the fixing cylinder (801) extends through the first mounting plate (701) and the second mounting plate (703) to the side near the smooth surface (6). A piston (802) is movably installed inside the fixing cylinder (801). The outer wall of the piston (802) is in close contact with the inner wall of the fixing cylinder (801). A connecting hole (806) is uniformly opened at the end of the fixing cylinder (801) away from the smooth surface (6).
6. The lightweight welded automotive aluminum alloy side panel according to claim 5, characterized in that: A spring (803) is installed at the end of the piston (802) away from the smooth surface (6). One end of the piston (802) is fixedly connected to the inner wall of the end of the fixed cylinder (801) away from the smooth surface (6). A magnetic block (804) is installed on the piston (802). An electromagnet (805) is fixedly installed on the inner wall of the end of the fixed cylinder (801) away from the smooth surface (6). Multiple electromagnets (805) are connected in series.
Citation Information
Patent Citations
Light welding type aluminum alloy breast board
CN216185540U