Spraying hanger for tricycle frame
By designing a three-wheeled vehicle frame painting fixture, the problem of unstable frame fixation during the painting process was solved by using linkage rods and fastening devices, achieving stable fixation and efficient painting, reducing labor costs and safety hazards.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-03-20
AI Technical Summary
In the current process of painting three-wheeled vehicle frames, the frames are difficult to fix and are prone to shaking, which increases labor costs and poses safety hazards.
A three-wheeled vehicle frame painting fixture was designed. The fixture is securely fixed to the vehicle frame through a linkage rod and a fastening device. The fixture is lifted and rotated by a motor-driven worm gear system, which can adapt to the painting needs of vehicle frames of different sizes.
It achieves stable fixation of the chassis during the painting process, reduces labor costs, improves painting efficiency and safety, and adapts to the painting needs of chassis of different sizes.
Smart Images

Figure CN224010150U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tricycle production technical field especially relates to a tricycle frame spraying hanger. BACKGROUND
[0002] Tricycle is an important traffic tool in people's life, and its back box can carry people or things. Tricycle frame is an important component of tricycle, which needs to connect various parts and serve as a support to bear weight.
[0003] In the production process of tricycle frame, the frame needs to be sprayed to form a protective film on the surface of the frame, isolate the frame from the air, delay the oxidation and corrosion of the frame. When the frame is sprayed, the frame needs to be placed on the hanger for operation. The existing spraying hanger generally lifts the frame by the hanger to make the frame suspended, and then sprays. This spraying method can uniformly spray the surface, but it needs manual lifting of the frame to the hook, and manual turning of the other side after spraying one side of the frame, which increases the labor cost, and the single hook is not easy to fix the frame, which is easy to shake and cause danger. SUMMARY
[0004] The utility model aims at solving the shortcomings that part of the frame is difficult to spray, the frame is easy to shake, and the labor cost of the staff is large in the prior art, and provides a tricycle frame spraying hanger, which can be lifted to a certain height, and then rotated through the linkage rod for spraying, and the fastening device arranged on the hanger can fix the frame more stably. In order to achieve the above purpose, the utility model provides the following technical scheme:
[0005] A tricycle frame spraying hanger, comprising a slide rail and a hanger main plate, a recess is formed in the inner wall of the hanger main plate, support plates are slidably connected to the two side plates of the recess, a motor is installed at the top end of the support plate, a worm is fixedly connected to the output end of the motor, the worm is connected with a linkage rod through a lifting assembly, so that the hanger can be lifted, a rotating rod is fixedly connected to the other end of the linkage rod, a shaft coupling assembly is arranged in the linkage rod, so that the hanger can rotate after being lifted to a certain height, fastening rods are slidably connected to the inner walls of the rotating rod, and locking assemblies are arranged on the outer walls of the fastening rods.
[0006] Further, the two side plates of the recess are fixedly connected with slide rods, and the inner wall of the support plate is slidably connected to the outer wall of the slide rod.
[0007] Further, the lifting assembly comprises two flat connecting plates fixedly connected to the right end of the support plate, two worm gears are rotationally connected to the opposite sides of the two flat connecting plates, a worm is in meshing connection with the outer diameter of the worm gear, a U-shaped tooth plate is fixedly connected to the inner wall of the groove, the left end of the U-shaped tooth plate is in meshing connection with the worm gear, and the other end of the worm is sleeved in the inner wall of the linkage rod.
[0008] Further, a pressing plate is rotationally connected to the inner wall of the linkage rod, a limiting rod is fixedly connected to the left bottom end of the pressing plate, a matching hole is formed in the outer wall of the worm, and the matching hole corresponds to the bottom end position of the limiting rod.
[0009] Further, a crescent ring is arranged at the bottom end of the linkage rod, an L-shaped flat connecting plate is fixedly connected to the bottom end of the crescent ring, and the other end of the L-shaped connecting plate is fixedly connected to the support plate.
[0010] Further, a spring is arranged in the linkage rod, the top end of the spring is fixedly connected to the right bottom end of the pressing plate, and the bottom end of the spring is fixedly connected to the inner wall of the linkage rod.
[0011] Further, the locking assembly comprises two fixed blocks fixedly connected to the outer wall of the fastening rod, the number of the fixed blocks fixedly connected to each fastening rod is two, and the two fixed blocks are located on the side close to the rotating rod and the side far away from the rotating rod respectively, a second threaded rod is rotationally connected to the inner wall of the fixed block, a sliding block is in threaded connection with the outer wall of the second threaded rod, the opposite ends of the sliding blocks on the front and back sides are in sliding connection with the fastening rod, a fastening rope is arranged on the outer wall of the fixed block, the other end of the fastening rope is fixedly connected to a lock block, and the lock block is detachably connected with the sliding block.
[0012] Further, a first threaded rod is rotationally connected to the two ends of the rotating rod, and the fastening rod is in threaded connection with the first threaded rod.
[0013] The utility model has the advantages of the following beneficial effects:
[0014] 1、the utility model discloses a linkage between the shaft cooperation can be lifted to a certain height to the hanger, then through the limiting rod of linkage rod upper rotation connection with the worm cooperation, make the worm when rotating can drive linkage rod together rotation, just can make the hanger rotate, thereby the frame is sprayed when rotating, and the advantages of two spraying modes in the prior art are taken into account.
[0015] 2、the utility model discloses a fastening rope is arranged on the hanger, the frame can be fixed, so that the frame does not shake when rotating, and the distance between the two fastening rods can be adjusted through the first threaded rod in threaded connection with the rotating rod, facilitating the spraying of frames of different sizes. DRAWINGS
[0016] Figure 1 A front view of a tricycle frame spraying hanger is provided in the utility model;
[0017] Figure 2 A shaft coupling structure schematic view of a tricycle frame spraying hanger is provided in the utility model;
[0018] Figure 3 A lifting structure schematic view of a tricycle frame spraying hanger is provided in the utility model;
[0019] Figure 4 A linkage rod structure sectional view of a tricycle frame spraying hanger is provided in the utility model;
[0020] Figure 5 A fastening structure schematic view of a tricycle frame spraying hanger is provided in the utility model.
[0021] Legend:
[0022] 1, hanger main plate; 2, recess; 3, sliding rod; 4, support plate; 5, U-shaped tooth plate; 6, motor; 7, worm; 8, worm wheel; 9, flat connecting plate; 10, linkage rod; 11, pressing plate; 12, limiting rod; 13, spring; 14, L-shaped connecting plate; 15, crescent ring; 16, rotating rod; 17, fastening rod; 18, first threaded rod; 19, fixed block; 20, sliding block; 21, second threaded rod; 22, fastening rope; 23, lock block; 24, matching hole. Specific implementation
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0024] Reference Figures 1-4The utility model provides a kind of tricycle frame spraying hanger, including slide rail and hanger mainboard 1, recess 2 is opened in hanger mainboard 1 inner wall, the both sides of recess 2 slab slidingly connected with support plate 4, recess 2 both sides slab fixedly connected with slide rod 3, support plate 4 inner wall slidingly connected in the outer wall of slide rod 3, motor 6 is installed at support plate 4 top end, worm 7 is fixedly connected with the output end of motor 6, worm 7 other end outer wall is equipped with linkage lever 10, support plate 4 is fixedly connected with two flat connecting plates 9, two flat connecting plates 9 relative side is rotatably connected with worm wheel 8, the outer diameter of worm 7 is engaged with worm wheel 8, U-shaped tooth plate 5 is fixedly connected in the inner wall of recess 2, U-shaped tooth plate 5 left end is engaged with worm wheel 8, pressing plate 11 is rotatably connected with the inner wall of linkage lever 10, limit rod 12 is fixedly connected with the left side bottom end of pressing plate 11, matching hole 24 is opened in the outer wall of worm 7, matching hole 24 and limit rod 12 bottom end position correspond, crescent ring 15 is provided at the bottom end of linkage lever 10, L-shaped connecting plate 14 is fixedly connected with the bottom end of crescent ring 15, L-shaped connecting plate 14 other end is fixedly connected with support plate 4, spring 13 is arranged in linkage lever 10, the top end of spring 13 is fixedly connected with the right side bottom end of pressing plate 11, and the bottom end of spring 13 is fixedly connected with the inner wall of linkage lever 10.
[0025] Specifically, the inner wall of recess 2 and U-shaped tooth plate 5 fixed connection is opened with hole, and the position and size are consistent with the inner hole position and size of U-shaped tooth plate 5, and the top end of hole is circular arc, slide rod 3 has the effect of preventing deviation when sliding up and down on support plate 4, the part of linkage lever 10 that is sleeved on the outer wall of worm 7 is opened with hole, and the size of hole is slightly larger than pressing plate 11, and the position corresponds up and down, under normal circumstances, limit rod 12 is completely separated from matching hole 24 under the elastic force of spring 13, when pressing plate 11 is extruded by spring 13 under the impact, limit rod 12 will be pressed into matching hole 24, L-shaped connecting plate 14 is located at the lower end of worm wheel 8, and does not contact with worm wheel 8, the effect of crescent ring 15 is to limit linkage lever 10 to rotate, limit rod 12 is separated from matching hole 24 under the elastic force of spring 13.
[0026] Refer to Figure 2 And Figure 5The other end of the linkage rod 10 is fixedly connected with a rotating rod 16, the inner wall of the rotating rod 16 is slidably connected with a fastening rod 17 on both sides, the two ends of the rotating rod 16 are rotatably connected with a first threaded rod 18, the fastening rod 17 is threadedly connected with the first threaded rod 18, the outer wall of the fastening rod 17 is fixedly connected with a fixed block 19, the number of the fixed blocks 19 fixedly connected on each fastening rod 17 is two and is respectively located on the side close to the rotating rod 16 and the side far away from the rotating rod 16, the inner wall of the fixed block 19 is rotatably connected with a second threaded rod 21, the outer wall of the second threaded rod 21 is threadedly connected with a sliding block 20, the opposite end of the sliding block 20 on the front and back sides is slidably connected with the fastening rod 17, the outer wall of the fixed block 19 is provided with a fastening rope 22, the other end of the fastening rope 22 is fixedly connected with a lock block 23, and the lock block 23 is detachably connected with the sliding block 20.
[0027] Specifically, when the first threaded rod 18 is rotated to one side, the fastening rod 17 will slide in the rotating rod 16 in one direction, the distance between the two opposite fastening rods 17 can be adjusted, the second threaded rod 21 is rotated, the sliding block 20 is slid, and the fixed block 19 is approached or moved away, and the fastening space required is adjusted.
[0028] Working principle: first, the first threaded rod 18 is rotated by the handle, the two fastening rods 17 are moved towards each other, the distance between the two fastening rods 17 is greater than the distance of the tricycle frame, the frame is placed between the two fastening rods 17, then the first threaded rod 18 is reversely rotated, the fastening rod 17 is pushed to be close to the frame to the distance that the fastening rope 22 can pass through a pipe of the frame, the end of the fastening rope 22 fixedly connected with the lock block 23 is passed through a pipe of the frame, then the screw of the lock block 23 is screwed into the threaded hole in the top end of the sliding block 20, and then the distance between the fixed block 19 and the sliding block 20 is adjusted by rotating the second threaded rod 21, so that the fastening rope 22 can tightly bind the pipe on the frame, and the frame is fixed by binding the hanging piece on the frame.
[0029] Then the motor 6 is started, the worm 7 fixedly connected at the output end of the motor 6 is rotated, thereby driving the worm gear 8 engaged with the lower end to rotate, when the worm gear 8 rotates, since the front end is engaged with the U-shaped toothed plate 5, the U-shaped toothed plate 5 is fixedly connected to the inner wall of the groove 2, so that when the U-shaped toothed plate 5 is fixed, the worm gear 8 is pushed in the opposite direction, the worm gear 8 is lifted upward, when the worm gear 8 is lifted upward, the flat connecting plate 9 connected with the worm gear 8 is driven to move upward, thereby driving the support plate 4 fixedly connected with the flat connecting plate 9, the support plate 4 is connected with the slide rod 3 arranged on the two side plates of the groove 2 through sliding, so that when the support plate 4 is driven upward, it will not be deviated, when lifting, the worm 7 drives the linkage rod 10 to rise, thereby driving the rotating rod 16 fixedly connected with the linkage rod 10 to rise, thereby driving the tricycle frame to lift, when lifting to a certain height, the top of the hole in the inner wall of the groove 2 will contact and press the pressing plate 11, thereby extruding the limiting rod 12 into the matching hole 24, thereby driving the linkage rod 10 and the rotating rod 16 to rotate together when the worm 7 rotates, thereby driving the frame to rotate together, when the frame rotates, spraying is carried out.
[0030] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.
Claims
1. A three-wheeled vehicle frame spray painting fixture, characterized in that: The device includes a slide rail and a main board (1) for the hanger. The main board (1) has a groove (2) on its inner wall. Support plates (4) are slidably connected to the two sides of the groove (2). A motor (6) is installed on the top of the support plate (4). A worm gear (7) is fixedly connected to the output end of the motor (6). The worm gear (7) is connected to a linkage rod (10) through a lifting assembly so that the hanger can be lifted. A rotating rod (16) is fixedly connected to the other end of the linkage rod (10). A coupling assembly is provided inside the linkage rod (10) so that the hanger can rotate after it rises to a certain height. Fastening rods (17) are slidably connected to the two sides of the inner wall of the rotating rod (16). A locking assembly is provided on the outer wall of the fastening rod (17).
2. The tricycle frame painting fixture according to claim 1, characterized in that: The groove (2) has slide rods (3) fixedly connected to the plates on both sides, and the inner wall of the support plate (4) is slidably connected to the outer wall of the slide rods (3).
3. The tricycle frame painting fixture according to claim 1, characterized in that: The lifting assembly includes a straight connecting plate (9) fixedly connected to the right end of the support plate (4), and two straight connecting plates (9) are rotatably connected to a worm wheel (8) on opposite sides. The outer diameter of the worm (7) is meshed with the worm wheel (8). A U-shaped toothed plate (5) is fixedly connected to the inner wall of the groove (2). The left end of the U-shaped toothed plate (5) is meshed with the worm wheel (8). The other end of the worm (7) is sleeved on the inner wall of the linkage rod (10).
4. A tricycle frame painting fixture according to claim 1, characterized in that: The inner wall of the linkage rod (10) is rotatably connected to a pressing plate (11), and the bottom left end of the pressing plate (11) is fixedly connected to a limiting rod (12). The outer wall of the worm gear (7) is provided with a mating hole (24), and the mating hole (24) corresponds to the bottom end of the limiting rod (12).
5. A tricycle frame painting fixture according to claim 4, characterized in that: The bottom end of the linkage rod (10) is provided with a crescent ring (15), and the bottom end of the crescent ring (15) is fixedly connected to an L-shaped connecting plate (14). The other end of the L-shaped connecting plate (14) is fixedly connected to the support plate (4).
6. A tricycle frame painting fixture according to claim 4, characterized in that: A spring (13) is provided inside the linkage rod (10). The top end of the spring (13) is fixedly connected to the bottom right side of the pressing plate (11), and the bottom end of the spring (13) is fixedly connected to the inner wall of the linkage rod (10).
7. A tricycle frame painting fixture according to claim 1, characterized in that: The locking assembly includes a fixing block (19) fixedly connected to the outer wall of the fastening rod (17). Each fastening rod (17) is fixedly connected to two fixing blocks (19), which are located on the side closer to the rotating rod (16) and the side farther away from the rotating rod (16), respectively. The inner wall of the fixing block (19) is rotatably connected to a second threaded rod (21). The outer wall of the second threaded rod (21) is threadedly connected to a sliding block (20). The opposite ends of the sliding blocks (20) on the front and rear sides are slidably connected to the fastening rod (17). The outer wall of the fixing block (19) is provided with a fastening rope (22). The other end of the fastening rope (22) is fixedly connected to a locking block (23). The locking block (23) is detachably connected to the sliding block (20).
8. A tricycle frame painting fixture according to claim 7, characterized in that: The rotating rod (16) is rotatably connected to the first threaded rod (18) at both ends, and the fastening rod (17) is threadedly connected to the first threaded rod (18).