Thin pipe bending device for cart

Abstract

The utility model relates to the technical field of thin pipe bending, and discloses a thin pipe bending device for a cart, which comprises a base, the outer wall of the rear side of the base is fixedly connected with a rack, a bending mechanism is arranged on the base, an auxiliary mechanism is arranged on the bending mechanism, the bending mechanism comprises an arc-shaped groove, and the arc-shaped groove is fixedly connected with the rack. An arc-shaped groove is formed in the inner wall of the top of the base, worms are rotationally connected to the inner walls of the two sides of the rack through bearings, worm wheels are connected to the worms in a meshed mode, threaded rods are fixedly connected to inner rings of the worm wheels, sliding plates are in threaded connection to the threaded rods, and pressing columns are fixedly connected to the outer walls of one sides of the sliding plates. According to the thin pipe bending device, the adjusting disc, the worm gear and other structures are arranged, and the problems that a direct thin pipe bending mode is not easy to control in the bending process and lacks a limiting structure, so that the bending effect is poor, the attractiveness is affected, the thin pipe is likely to be broken off, time and labor are wasted, and the working efficiency is low are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of thin tube bending, in particular to a thin tube bending device for a cart. Background Art

[0002] There are single-wheeled, two-wheeled, three-wheeled and four-wheeled trolleys. Single-wheeled trolleys can travel on narrow springboards, temporary bridges and narrow paths, and can turn on the spot, which is very convenient for dumping goods. Commonly used two-wheeled vehicles include hand-pushed transport vehicles for carrying pieced items, rack carts and bucket trucks for carrying bulk materials. Three-wheeled trolleys have one, and four-wheeled trolleys have two swivel casters that can rotate around a vertical axis. This swivel caster can automatically adjust to the direction with the least running resistance as the direction of vehicle movement changes during operation. Therefore, the handle of the handle is an indispensable part. Most of the handle thin tubes are split or welded and spliced, which are easily broken by external collisions and affect the appearance for a long time.

[0003] The above device has the following defects: the method of directly bending the thin tube is difficult to control during the bending process, and there is a lack of a limiting structure, which makes the bending effect poor and affects the appearance. The thin tube may break, and it is time-consuming and labor-intensive, and the work efficiency is low. Therefore, a thin tube bending device for a cart is proposed to solve the above problems. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a thin tube bending device for a cart, aiming to improve the problem that the prior art lacks a limiting structure, resulting in poor bending effect, affecting the appearance, and the thin tube may break, and is time-consuming, labor-intensive, and has low work efficiency.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a thin tube bending device for a cart, comprising a base, a rear outer wall of the base is fixedly connected to a frame, a bending mechanism is arranged on the base, an auxiliary mechanism is arranged on the bending mechanism, the bending mechanism comprises an arc groove, the arc groove is opened on the top inner wall of the base, the inner walls on both sides of the frame are rotatably connected to a worm through a bearing, a worm wheel is meshedly connected to the worm, a threaded rod is fixedly connected to the inner ring of the worm wheel, a sliding plate is threadedly connected to the threaded rod, a pressing column is fixedly connected to the outer wall of one side of the sliding plate, the top outer wall of the base is clamped with an arc frame, and the top outer wall of the arc frame is attached to the thin tube body.

[0006] As a further description of the above technical solution: the auxiliary mechanism includes a paddle, which is slidably connected to the inner wall of one side of the arc frame, the bottom outer wall of the paddle is fixedly connected with a buckle, the outer wall of one side of the paddle is fixedly connected with a small spring, and the bottom outer wall of the arc frame is fixedly connected with a limiting column.

[0007] As a further description of the above technical solution: one end of the worm away from the frame penetrates through one outer wall of the frame, and one end of the worm away from the frame is fixedly connected to an adjusting disk.

[0008] As a further description of the above technical solution: an outer wall on one side of the adjusting disk is provided with an indication mark.

[0009] As a further description of the above technical solution: the pressing column is slidably connected to an outer wall of one side of the frame, and the bottom outer wall of the pressing column is attached to the side outer wall of the thin tube body.

[0010] As a further description of the above technical solution: the buckle is clamped on the top inner wall of the base, and one end of the small spring away from the paddle is fixedly connected to the inner wall of one side of the arc frame.

[0011] As a further description of the above technical solution: there are eight limit posts in total, and the eight limit posts respectively penetrate the top inner wall of the base, and the outer walls on both sides of the paddle are fixedly connected with frosted pads.

[0012] As a further description of the above technical solution: hand-holding grooves are provided on the outer walls of both sides of the frame.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, by setting the adjustment disk, worm gear, threaded rod and other structures, the thin tube body is limited to the left and right when being bent, and the bending angle is adjusted according to the rotation angle of the adjustment disk, so as to improve the problem that the direct bending method of the thin tube is difficult to control in the bending project and lacks a limiting structure, thereby making the bending effect poor, affecting the appearance, and the thin tube may break, and it is time-consuming and labor-intensive, and the work efficiency is low.

[0015] 2. In the utility model, by providing structures such as paddles, buckles, and limit columns, the arc frame can be conveniently disassembled and maintained, thereby improving the problems that the arc frame is usually an integrated type, which is squeezed and worn after long-term use, and is prone to deformation and aging, and the separate arc frame needs to be disassembled and maintained by tools, which is cumbersome and inconvenient for personnel to operate and maintain. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall front view of a thin tube bending device for a cart proposed by the utility model;

[0017] Figure 2 This is a schematic side view of the overall structure of a thin tube bending device for a cart proposed by the utility model;

[0018] Figure 3 This is a cross-sectional schematic diagram of a thin tube bending device for a cart proposed by the utility model;

[0019] Figure 4 The utility model is a schematic diagram of an auxiliary mechanism of a thin tube bending device for a cart.

[0020] Legend:

[0021] 1. Base; 2. Frame; 3. Hand-held slot; 4. Bending mechanism; 41. Arc slot; 42. Worm; 43. Adjustment dial; 44. Indicator mark; 45. Worm gear; 46. Threaded rod; 47. Sliding plate; 48. Pressing column; 49. Arc frame; 410. Thin tube body; 5. Auxiliary mechanism; 51. Pick; 52. Buckle; 53. Small spring; 54. Limit column. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Reference Figure 1-Figure 3 The utility model provides an embodiment: a thin tube bending device for a cart, comprising a base 1, the rear outer wall of the base 1 is fixedly connected to a frame 2, a bending mechanism 4 is arranged on the base 1, and an auxiliary mechanism 5 is arranged on the bending mechanism 4, the bending mechanism 4 comprises an arc groove 41, the arc groove 41 is arranged on the top inner wall of the base 1, the inner walls on both sides of the frame 2 are rotatably connected to a worm 42 through a bearing, and a worm wheel 45 is meshedly connected to the worm 42, and the worm wheel 45 cooperates with the worm 42 by setting the worm wheel 45 to cooperate with the worm 42, when the worm 42 is not rotating, the worm The wheel 45 has a certain self-locking property. The inner ring of the worm wheel 45 is fixedly connected with a threaded rod 46, and a sliding plate 47 is threadedly connected to the threaded rod 46. A pressing column 48 is fixedly connected to the outer wall of one side of the sliding plate 47. The thin tube body 410 is extruded and bent by setting the pressing column 48. The top outer wall of the base 1 is clamped with an arc frame 49. The arc frame 49 is set to limit the arc angles on both sides of the thin tube body 410 when it is extruded, so as to reduce left and right shaking during bending. The top outer wall of the arc frame 49 is attached to the thin tube body 410.

[0024] Reference Figure 2-Figure 3 One end of the worm 42 away from the frame 2 passes through one side outer wall of the frame 2, and the other end of the worm 42 away from the frame 2 is fixedly connected to an adjusting disk 43, and an indication mark 44 is provided on one side outer wall of the adjusting disk 43. The indication mark 44 is provided to prompt the operation method, and the pressing column 48 is slidably connected to one side outer wall of the frame 2. The bottom outer wall of the pressing column 48 is attached to the side outer wall of the thin tube body 410, and the outer walls on both sides of the frame 2 are provided with hand-holding grooves 3.

[0025] Reference Figure 3-Figure 4 The auxiliary mechanism 5 includes a paddle 51, which is slidably connected to the inner wall of one side of the arc frame 49, and a buckle 52 is fixedly connected to the bottom outer wall of the paddle 51. A small spring 53 is fixedly connected to the outer wall of one side of the paddle 51. The small spring 53 is provided to continuously generate thrust for the paddle 51, and the bottom outer wall of the arc frame 49 is fixedly connected to a limiting column 54. The buckle 52 is clamped on the top inner wall of the base 1. The arc frame 49 is clamped, fixed and separated by providing the buckle 52. One end of the small spring 53 away from the paddle 51 is fixedly connected to the inner wall of one side of the arc frame 49. There are eight limiting columns 54 in total, and the eight limiting columns 54 respectively penetrate the top inner wall of the base 1. The arc frame 49 is horizontally limited by providing the limiting columns 54. The outer walls on both sides of the paddle 51 are fixedly connected with frosting pads.

[0026] Working principle: the worm 42 is rotated by rotating the adjusting disk 43, and the rotation of the worm 42 drives the worm wheel 45 to rotate, and the rotation of the worm wheel 45 drives the threaded rod 46 to rotate, and the rotation of the threaded rod 46 drives the sliding plate 47 to move, and the movement of the sliding plate 47 drives the pressing column 48 to move, and the pressing column 48 moves to press the thin tube body 410, and at the same time, the curvature of the thin tube body 410 is constrained by the curved surface of the arc frame 49 to reduce the left and right deviation during bending. At the same time, the arc frame 49 is prone to wear and tear under long-term use and requires maintenance. The small spring 53 is squeezed by pulling the paddle 51, and the paddle 51 moves to separate from the base 1, and then the arc frame 49 is moved upward to make the limit column 54 separate from the top inner wall of the base 1, so that a single arc frame 49 can be easily disassembled and assembled.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A thin tube bending device for a cart, comprising a base (1), characterized in that: The rear outer wall of the base (1) is fixedly connected to the frame (2); a bending mechanism (4) is provided on the base (1); an auxiliary mechanism (5) is provided on the bending mechanism (4); the bending mechanism (4) comprises an arc groove (41); the arc groove (41) is arranged on the top inner wall of the base (1); the inner walls on both sides of the frame (2) are rotatably connected to a worm (42) through bearings; a worm wheel (45) is meshedly connected to the worm (42); a threaded rod (46) is fixedly connected to the inner ring of the worm wheel (45); a sliding plate (47) is threadedly connected to the threaded rod (46); a pressing column (48) is fixedly connected to the outer wall of one side of the sliding plate (47); an arc frame (49) is clamped on the top outer wall of the base (1); and a thin tube body (410) is attached to the top outer wall of the arc frame (49).

2. A thin tube bending device for a cart according to claim 1, characterized in that: The auxiliary mechanism (5) comprises a paddle (51), the paddle (51) being slidably connected to an inner wall of one side of the arc frame (49), a buckle (52) being fixedly connected to an outer wall at the bottom of the paddle (51), a small spring (53) being fixedly connected to an outer wall of one side of the paddle (51), and a limiting column (54) being fixedly connected to an outer wall at the bottom of the arc frame (49).

3. A thin tube bending device for a cart according to claim 1, characterized in that: One end of the worm (42) away from the frame (2) penetrates through an outer wall of one side of the frame (2), and one end of the worm (42) away from the frame (2) is fixedly connected to an adjustment disk (43).

4. A thin tube bending device for a cart according to claim 3, characterized in that: An indication mark (44) is provided on one outer wall of the adjustment disk (43).

5. The thin tube bending device for a cart according to claim 1, characterized in that: The pressing column (48) is slidably connected to an outer wall of one side of the frame (2), and the bottom outer wall of the pressing column (48) is attached to the side outer wall of the thin tube body (410).

6. A thin tube bending device for a cart according to claim 2, characterized in that: The buckle (52) is clamped on the top inner wall of the base (1), and one end of the small spring (53) away from the paddle (51) is fixedly connected to the inner wall of one side of the arc frame (49).

7. A thin tube bending device for a cart according to claim 2, characterized in that: There are eight limit posts (54) in total, and the eight limit posts (54) respectively penetrate the top inner wall of the base (1), and the outer walls on both sides of the paddle (51) are fixedly connected with a grinding pad.

8. The thin tube bending device for a cart according to claim 1, characterized in that: Handholding grooves (3) are provided on the outer walls of both sides of the frame (2).

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