Automatic take-up device
By designing an automatic wire retraction device, using pulley components and spring drive mechanism, the S-shaped through and automatic storage of electric luggage wires is achieved, which solves the problem of easy breakage of electric luggage wires and provides a simple and compact solution to adapt to Different lengths of wire requirements and reduce wire wear.
Patent Information
- Application Number
- CN202420924513.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-04-29
AI Technical Summary
The connecting wires of the electric trunk are likely to cause damage or wrapping of the conductors during steering, which affects the use. The existing charging pile wire retracting structure is not suitable for the compact structure and lightweight wires of the electric trunk.
An automatic wire retraction device is designed, including a wire retraction box, pulley assembly and pulley drive assembly. The pulley assembly is driven inversely by a spring, and combined with the guide assembly and the guide roller, the S-shaped through and automatic storage of the wire is realized, adapting to different length of wire requirement.
It realizes simple and compact automatic storage of wires connected to the electric trunk, reduces wire wear, adapts to wire needs of different lengths, and does not consume power for electric trunk energy, saving labor.
Smart Images
Figure CN222159426U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electrical equipment, in particular to an automatic wire-receiving device for storing connecting wires of an electric luggage case. Background Art
[0002] Chinese patent document CN110754755A discloses an electric luggage case, comprising a case 1, a driving wheel 11 and a driven wheel 12 mounted on the case 1, a steering device 2 for controlling the steering of the electric luggage case, a controller 13 for controlling the operation of the electric luggage case, a battery, and a pull rod 14 mounted on the case 1 for pushing or dragging the electric luggage case to move. The case 1 has a storage space for placing items to store the user's travel items. The driving wheel 11 is a wheel hub motor. The battery provides working power to the controller 13, the wheel hub motor, and other electronic devices on the electric luggage case. The battery, the controller 13, and the wheel hub motor are connected by wires. The controller 13 controls the rotation of the wheel hub motor, and the driven wheel 12 is driven by the rotation of the wheel hub motor. Of course, the driving wheel 11 can also be a structure in which a reduction motor is connected to the wheel. The steering device 2 includes a steering rod 20 and a steering handle 21 connected to the steering rod 20 and located outside the storage space of the case, and the operation controller 22 is arranged on the steering handle 21. The retractable steering rod 20 is conducive to adjusting the control height of the steering handle 21, which is convenient for users of different body shapes to ride the electric suitcase. The operation controller 22 includes a speed control handle 221 installed on the right side of the steering handle 21 and a brake handle 222 installed on the left side of the steering handle 21. The speed control handle 221 and the brake handle 222 are both connected to the controller 13 through wires. The wire passes through the steering rod 20 to connect with the controller 13. It can be seen that when the steering handle 21 is adjusted in height through the steering rod 20, the wire connecting the speed control handle 221, the brake handle 222 and the controller 13 is in a free bending state when it is retracted from the extended state to the box body, which is easy to cause the wire to be damaged or entangled, affecting the use. Chinese patent document CN211731076U discloses a charging pile that can be retracted, including a cabinet, and also includes N fixed pulleys, a charging gun, N-1 movable pulleys, a counterweight, a one-way wheel and a separation device. N fixed pulleys are arranged in a horizontal row in the left and right directions in the cabinet, and N≥2. The charging gun includes a cable, which extends from the leftmost fixed pulley and extends from the rightmost fixed pulley. N-1 movable pulleys are sleeved on the cable and are distributed one by one between two adjacent fixed pulleys. A counterweight is set on each movable pulley to keep the cable section where each movable pulley is located in a sagging trend. It uses a counterweight 5 to maintain tension, and the wire itself is heavy and easy to sag. Since the electric suitcase has a compact structure and a light wire, it is not suitable for the above-mentioned charging pile's wire collection structure. Utility Model Content
[0003] The utility model aims to provide an automatic wire-retracting device which has a simple and compact structure and is suitable for an electric luggage case.
[0004] The basic technical scheme for achieving the purpose of the utility model is: an automatic wire-winding device, including a wire-winding box, the wire-winding box including a box body and a cover plate, and the cover plate is fixedly arranged on the box body. Its structural characteristics are: it also includes a pulley assembly and a pulley drive assembly. The pulley assembly includes a first pulley assembly and a second pulley assembly. The first pulley assembly and the second pulley assembly are slidably arranged in the box body. The connecting wire is S-shaped and passed through the first pulley assembly and the second pulley assembly. The pulley drive assembly drives the first pulley assembly and the second pulley assembly to move in opposite directions.
[0005] Furthermore, in order to realize automatic storage, the pulley drive assembly includes a plurality of springs, each of which is arranged between the first pulley assembly and the second pulley assembly to drive the first pulley assembly and the second pulley assembly to move in opposite directions.
[0006] Furthermore, in order to facilitate storage, a guide assembly is also included, and the first pulley assembly and the second pulley assembly are slidably arranged in the box body through the guide assembly.
[0007] Furthermore, the guide assembly includes one or two guide shafts, and the guide shafts are vertically arranged in the box body along the up and down directions.
[0008] Furthermore, for the sake of compactness and simplicity of structure, the pulley drive assembly includes springs of the same number as the guide shafts, each spring is sleeved on a corresponding guide shaft and is located between the first pulley assembly and the second pulley assembly, for driving the first pulley assembly and the second pulley assembly to move in opposite directions.
[0009] Furthermore, in order to reduce the wear of the connecting wire, a guide roller is also included, which is rotatably arranged on the lower left end of the box body of the wire take-up box.
[0010] Furthermore, in order to install the connecting wire, the box body is provided with a first threading hole and a second threading hole. The first threading hole and the second threading hole are respectively located at the left and right sides of the lower part of the box body.
[0011] Furthermore, in order to accommodate the length of the connecting wire: a fixed pulley is provided on the first pulley assembly, a fixed pulley is provided on the second pulley assembly, and the connecting wire is arranged in an S shape around each fixed pulley.
[0012] The utility model has the following beneficial effects: (1) The automatic wire take-up device of the utility model has a simple and compact structure and can be installed in a corresponding electric luggage case. The pulley drive assembly adopts a spring and does not consume the energy of the electric luggage case. (2) The number of fixed pulleys on the automatic wire take-up device of the utility model can be set accordingly according to the length of the connecting wire to be stored, so as to meet the storage requirements of connecting wires of different lengths and have a wide range of applications. (3) The automatic wire take-up device of the utility model adopts two sets of pulley assemblies, which are more labor-saving for storage and release. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural schematic diagram of the automatic wire taking-up device of the utility model.
[0014] Figure 2 for Figure 1 Schematic diagram of the left side.
[0015] Figure 3 for Figure 1 Schematic diagram of the top view.
[0016] Figure 4 for Figure 1 Schematic diagram after removing the cover.
[0017] Figure 5 For Figure 4 Schematic diagram when viewed from the lower left front.
[0018] Figure 6 For Figure 4 Schematic diagram when viewed from the upper right front.
[0019] Figure 7 For Figure 4 Schematic diagram when viewed from the upper left front.
[0020] The reference numerals in the accompanying drawings are:
[0021] Wire receiving box 1, box body 11, first wire threading hole 11-1, second wire threading hole 11-2, cover plate 12,
[0022] Pulley assembly 2, first pulley assembly 21, first pulley seat 21-1, left first slider 21-2, right first slider 21-3, first fixed pulley 21-4, second fixed pulley 21-5,
[0023] The second pulley assembly 22, the second pulley seat 22-1, the left second slider 22-2, the right second slider 22-3, the third fixed pulley 22-4, the guide rod 22-5,
[0024] Pulley drive assembly 3,
[0025] Guide assembly 4, guide shaft 41,
[0026] Guide roller 5, connecting wire 10. DETAILED DESCRIPTION
[0027] In order to make the content of the utility model easier to understand, the utility model is further described in detail according to specific embodiments and in combination with the accompanying drawings. Figure 1 The direction shown is carried out, that is, Figure 1 The up, down, left, and right directions shown are the up, down, left, and right directions described. Figure 1 The direction is forward, away from Figure 1 The side of the device is the rear side. It should be understood that the terms "upper", "lower", "inner", "outer", etc. indicating directions or positional relationships are based on the positional relationships described in the drawings and are only for the convenience of describing the present invention or simplifying the description, rather than indicating a specific direction that must be possessed. In the description of the present invention, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.
[0028] (Example 1)
[0029] See Figures 1 to 7 The automatic wire-taking device of the utility model comprises a wire-taking box 1, a pulley assembly 2, a pulley driving assembly 3, a guide assembly 4 and a guide pulley 5. The wire-taking box 1 comprises a box body 11 and a cover plate 12, and the cover plate 12 is fixedly arranged on the box body 11. The box body 11 is provided with a first threading hole 11-1 and a second threading hole 11-2. The first threading hole 11-1 and the second threading hole 11-2 are respectively located on the left and right sides of the lower part of the box body 11.
[0030] See Figures 4 to 7 The guide assembly 4 includes one or two guide shafts 41. In this embodiment, there are two guide shafts 41. The two guide shafts 41 are arranged in parallel with each other in the box body 11. In this embodiment, the two guide shafts 41 are fixedly arranged on the left and right sides of the box body 11 from left to right, and each guide shaft 41 is arranged vertically in the up-down direction. Figures 4 to 7 The pulley assembly 2 includes a first pulley assembly 21 and a second pulley assembly 22. The first pulley assembly 21 and the second pulley assembly 22 are slidably arranged in the box body 11. The connecting wire 10 is S-shaped and passed through the first pulley assembly 21 and the second pulley assembly 22. The length of the connecting wire 10 passed through the first pulley assembly 21 and the second pulley assembly 22 is adjusted by changing the distance between the first pulley assembly 21 and the second pulley assembly 22, so as to complete the storage of the connecting wire 10. The number of fixed pulleys on the first pulley assembly 21 and the second pulley assembly 22 can be set accordingly according to the length of the connecting wire 10 to be stored.
[0031] The first pulley assembly 21 includes a first pulley seat 21-1, a left first slider 21-2, a right first slider 21-3, a first fixed pulley 21-4, and a second fixed pulley 24-5. The left first slider 21-2 and the right first slider 21-3 are fixedly arranged on the left and right sides of the first pulley seat 21-1, respectively. The left first slider 21-2 is slidably arranged on the guide shaft 41 located on the left side of the box body 11, and the right first slider 21-3 is slidably arranged on the guide shaft 41 located on the right side of the box body 11, so that the first pulley assembly 21 is slidably arranged in the box body 11 in the up-down direction. The first fixed pulley 21-4 and the second fixed pulley 24-5 are rotatably arranged on the first pulley seat 21-1 from left to right in sequence.
[0032] The second pulley assembly 22 includes a second pulley seat 22-1, a left second slider 22-2, a right second slider 22-3, a third fixed pulley 22-4 and a guide rod 22-5. The left second slider 22-2 and the right second slider 22-3 are fixedly arranged on the left and right sides of the second pulley seat 22-1, respectively. The left second slider 22-2 is slidably arranged on the guide shaft 41 located on the left side of the box body 11, and the right second slider 22-3 is slidably arranged on the guide shaft 41 located on the right side of the box body 11, so that the second pulley assembly 22 is slidably arranged in the box body 11 in the up-down direction. The guide rod 22-5 is fixedly arranged on the left part of the second pulley seat 22-1 in the front-back direction, and the third fixed pulley 22-4 is rotatably arranged on the right part of the second pulley seat 22-1.
[0033] See Figures 4 to 7 , the pulley drive assembly 3 includes a plurality of springs, each of which is arranged between the first pulley assembly 21 and the second pulley assembly 22, and is used to drive the first pulley assembly 21 and the second pulley assembly 22 to move in opposite directions, so as to adjust the distance between the first pulley assembly 21 and the second pulley assembly 22. In this embodiment, there are two springs, and the two springs are respectively arranged between the left and right sides of the first pulley assembly 21 and the second pulley assembly 22. One spring is sleeved on the guide shaft 41 located on the left side, and the upper end of the spring is against the corresponding left first slider 21-2 above, and the lower end is against the corresponding left second slider 22-2 below, and is in a compressed state. The other spring is sleeved on the guide shaft 41 located on the right side, and the upper end of the spring is against the corresponding right first slider 21-3 above, and the lower end is against the corresponding right second slider 22-3 below, and is in a compressed state.
[0034] See Figures 1 to 7 The guide roller 5 is rotatably arranged on the lower left end of the box body 11 of the wire take-up box 1, and is located at the lower left side of the first threading hole 11-1.
[0035] When the automatic wire-taking device of the utility model is used: one end of the connecting wire 10 passes through the second threading hole 11-1 and is electrically connected to the corresponding controller. The other end passes upward from the top of the second fixed pulley 21-5 and then passes downward from the bottom of the third fixed pulley 22-4, then passes from the top of the first fixed pulley 21-4 and then passes from the right side of the guide rod 22-5, then passes through the first threading hole 11-1 and then passes from the bottom of the guide roller 5 and then passes upward and is electrically connected to the speed control handle and the brake handle on the steering handle. When the steering handle is extended upward, the tension of the connecting wire 10 shortens the distance between the first pulley assembly 21 and the second pulley assembly 22, so that the connecting wire 10 is pulled out and released. When the steering handle is retracted downward, the spring of the pulley drive assembly 3 is extended to expand the distance between the first pulley assembly 21 and the second pulley assembly 22, so that the corresponding part of the connecting wire 10 is stored between the first pulley assembly 21 and the second pulley assembly 22.
[0036] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. 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. An automatic wire-receiving device, comprising a wire-receiving box (1), the wire-receiving box (1) comprising a box body (11) and a cover plate (12), the cover plate (12) being fixedly arranged on the box body (11); characterized in that: The invention also comprises a pulley assembly (2) and a pulley drive assembly (3); the pulley assembly (2) comprises a first pulley assembly (21) and a second pulley assembly (22); the first pulley assembly (21) and the second pulley assembly (22) are slidably arranged in the box body (11); the connecting wire (10) is S-shaped and passes through the first pulley assembly (21) and the second pulley assembly (22); the pulley drive assembly (3) drives the first pulley assembly (21) and the second pulley assembly (22) to move in opposite directions.
2. The automatic wire take-up device according to claim 1, characterized in that: The pulley drive assembly (3) comprises a plurality of springs, each of which is arranged between the first pulley assembly (21) and the second pulley assembly (22) and is used to drive the first pulley assembly (21) and the second pulley assembly (22) to move in opposite directions.
3. The automatic wire take-up device according to claim 1, characterized in that: It also includes a guide assembly (4), and the first pulley assembly (21) and the second pulley assembly (22) are slidably arranged in the box body (11) via the guide assembly (4).
4. The automatic wire take-up device according to claim 3, characterized in that: The guide assembly (4) comprises one or two guide shafts (41), and the guide shafts (41) are vertically arranged in the box body (11) along the up-down direction.
5. The automatic wire take-up device according to claim 4, characterized in that: The pulley drive assembly (3) comprises springs of the same number as the guide shafts (41), each spring being sleeved on a corresponding guide shaft (41) and located between the first pulley assembly (21) and the second pulley assembly (22), and being used to drive the first pulley assembly (21) and the second pulley assembly (22) to move in opposite directions.
6. The automatic wire take-up device according to claim 1, characterized in that: It also includes a guide roller (5), which is rotatably arranged on the left lower end of the box body (11) of the wire take-up box (1).
7. The automatic wire take-up device according to claim 1, characterized in that: A first threading hole (11-1) and a second threading hole (11-2) are provided on the box body (11); the first threading hole (11-1) and the second threading hole (11-2) are respectively located on the left and right sides of the lower part of the box body (11).
8. The automatic wire take-up device according to claim 1, characterized in that: A fixed pulley is provided on the first pulley assembly (21); a fixed pulley is provided on the second pulley assembly (22), and the connecting wire (10) is arranged in an S shape around each fixed pulley.