A luggage drawbar swing test device

Abstract

The present invention relates to the technical field of luggage drawbar detection, and in particular to a luggage drawbar sway test device, comprising a base, a fixing assembly and a hanging component, wherein a mounting frame is provided on the base, first pulleys are rotatably provided on opposite sides of the mounting frame along a horizontal X-axis direction, second pulleys are rotatably provided on opposite sides of the mounting frame along a horizontal Y-axis direction, and a scale is provided on one side of the mounting frame in the horizontal X-axis and Y-axis directions; the fixing assembly is used to fix the fixed end of the luggage drawbar; the hanging component comprises two groups of hanging assemblies, each group of hanging assemblies comprises a drawstring and a weight, one end of the drawstring is connected and fixed to the fixed end of the luggage drawbar, and the other end can pass through the first pulley or the second pulley and be connected and fixed to the weight, when testing the sway of the drawbar, the vertical displacement change of the weight can be measured by the scale, so that the present invention can effectively improve the test accuracy of the sway of the luggage drawbar, and conveniently measure the sway of the luggage drawbar.

Description

Technical Field

[0001] The invention relates to the technical field of luggage drawbar detection, and in particular to a luggage drawbar sway degree testing device. Background Art

[0002] Bags (such as suitcases) are essential tools for people to travel long distances. In order to ensure the quality of the bags, the luggage's drawbars need to be tested, such as the smoothness of the luggage's drawbar when it is extended and retracted, the swing degree of the drawbar when it is in use, and other parameters, especially the swing degree of the luggage's drawbar when it is in use. If the swing degree of the retractable end of the luggage's drawbar is too large, the drawbar is easy to break when too heavy luggage is placed in the luggage. Among them, when testing the swing degree of the luggage's drawbar, the fixed end of the luggage's drawbar is usually fixed, and then the swing degree of the retractable end of the luggage's drawbar in the horizontal X-axis direction and the horizontal Y-axis direction is tested.

[0003] However, in the prior art, the staff usually shakes the telescopic end of the pull rod by hand to feel the shaking amplitude of the telescopic end of the pull rod in the horizontal X-axis direction and the horizontal Y-axis direction, and measures the shaking displacement of the telescopic end of the pull rod in the horizontal X-axis direction and the horizontal Y-axis direction with a measuring ruler to know the swing degree of the luggage pull rod. It can be seen that there is currently no testing device on the market that can accurately and easily assist in testing the swing degree of the luggage pull rod. Instead, it is entirely based on the staff's experience to measure with a handheld measuring ruler. The measured data has a large error and cannot accurately measure the swing degree of the luggage pull rod. Summary of the invention

[0004] One of the purposes of the present invention is to provide a luggage drawbar swing degree testing device, which can effectively improve the testing accuracy of the luggage drawbar swing degree.

[0005] In order to achieve the above object, the present invention provides a luggage drawbar swing test device, comprising:

[0006] Base;

[0007] A mounting frame is vertically arranged on the base, first pulleys are rotatably arranged on opposite sides of the mounting frame along the horizontal X-axis direction, second pulleys are rotatably arranged on opposite sides of the mounting frame along the horizontal Y-axis direction, a first scale extending vertically is arranged on at least one side of the mounting frame in the horizontal X-axis direction, and a second scale extending vertically is arranged on at least one side of the mounting frame in the horizontal Y-axis direction;

[0008] A fixing assembly, disposed on the base, for fixing the fixed end of the luggage drawbar located in the mounting frame;

[0009] The hanging component includes two groups of hanging components, each group of hanging components includes a pull rope and a weight, the first end of the pull rope is connected and fixed to the weight, when testing the swing degree of the telescopic end of the luggage pull rod in the horizontal X-axis direction, the second end of the pull rope in each group of hanging components is respectively bypassed by each first pulley and connected and fixed to the telescopic end of the luggage pull rod, so that the telescopic end of the luggage pull rod can swing along the horizontal X-axis direction under the action of the gravity of the weight, and the first scale is used to measure the vertical displacement change of the weight; when testing the swing degree of the telescopic end of the luggage pull rod in the horizontal Y-axis direction, the second end of the pull rope in each group of hanging components is respectively bypassed by each second pulley and connected and fixed to the telescopic end of the luggage pull rod, so that the telescopic end of the luggage pull rod can swing along the horizontal Y-axis direction under the action of the gravity of the weight, and the second scale is used to measure the vertical displacement change of the weight.

[0010] Furthermore, the second end of the pull rope is connected to a hook for connecting with the telescopic end of the luggage pull rod.

[0011] Furthermore, the fixing assembly includes a mounting seat and a locking mechanism, the mounting seat is arranged on the base, and the locking mechanism is arranged on the base and is used to lock and fix the fixed end of the luggage pull rod on the mounting seat.

[0012] Furthermore, the fixing component is adjustably arranged on the base so that the fixing component can move along the horizontal X-axis direction.

[0013] Furthermore, the locking mechanism includes a first locking component and a second locking component, and the mounting base has a connecting plate extending vertically. The first locking component is arranged on the connecting plate, and is used to limit the freedom of the fixed end of the luggage rod in the horizontal X-axis direction, so as to lock the fixed end of the luggage rod on the mounting base; the second locking component is arranged on the connecting plate, and is used to limit the freedom of the fixed end of the luggage rod in the horizontal Y-axis direction, so as to lock the fixed end of the luggage rod on the mounting base.

[0014] Furthermore, the first locking assembly includes a first locking knob and a locking plate, and the locking plate is fixed with optical rods extending along the horizontal X-axis on both sides along the horizontal Y-axis direction, and a plurality of through holes are provided on the connecting plate, each through hole corresponds to each optical rod one by one, and each through hole is provided with a shaft sleeve, and each optical rod slides through each shaft sleeve so that the locking plate can move along the horizontal X-axis direction to abut against the fixed end of the luggage pull rod; the first locking knob is provided on the locking plate, and the first locking knob is used to be threadedly connected to the threaded hole provided on the connecting plate, so that the first locking knob can enable the locking plate to lock the fixed end of the luggage pull rod on the connecting plate.

[0015] Furthermore, the second locking assembly includes a clamping and locking assembly, two optical axes and two connecting blocks. The connecting blocks are respectively arranged on both sides of the surface of the connecting plate facing the locking plate along the horizontal Y-axis direction, the connecting blocks extend along the horizontal X-axis direction, the optical axes extend along the horizontal Y-axis direction, and the opposite ends of each optical axis are respectively connected and fixed to the two connecting blocks, and the two optical axes are arranged at intervals along the vertical direction; the clamping and locking assembly is slidably sleeved on the two optical axes, and the clamping and locking assembly can be locked on the optical axis, and the clamping and locking assembly is used to clamp the fixed end of the luggage drawbar.

[0016] Furthermore, the connecting block is adjustably arranged on the connecting plate in the vertical direction.

[0017] Furthermore, a reinforcing rib is provided on a side of the connecting plate facing away from the second locking assembly.

[0018] Furthermore, the mounting frame is vertically adjustably arranged on the base.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] When the luggage drawbar sway degree testing device of the present invention is used, the fixed end of the luggage drawbar is fixed to the base through the fixing assembly, and the telescopic end of the drawbar is pulled out, and the two groups of hanging assemblies are respectively defined as the first group of hanging assemblies and the second group of hanging assemblies. When testing the sway degree of the telescopic end of the luggage drawbar in the horizontal X-axis direction, since the first end of the drawstring in each group of hanging assemblies is connected and fixed with the weight in each group of hanging assemblies, the second end of the drawstring in the first group of hanging assemblies is first passed around a first pulley and connected and fixed to the telescopic end of the luggage drawbar, so that the telescopic end of the luggage drawbar is under the gravity of the weight of the first group of hanging assemblies. The weight of the first hanging assembly is swung along the front side of the horizontal X-axis direction. At this time, the scale value (first scale value) of the weight of the first hanging assembly on the first scale is recorded. Then, the second end of the pull rope in the second hanging assembly is passed around another first pulley and connected and fixed to the telescopic end of the luggage pull rod, so that the telescopic end of the luggage pull rod swings along the rear side of the horizontal X-axis direction under the gravity of the weight of the second hanging assembly. In this way, the weight of the first hanging assembly rises vertically. At this time, the scale value (second scale value) of the weight of the first hanging assembly on the first scale is recorded. By calculating the difference between the first scale value and the second scale value, that is, The swing degree of the telescopic end of the luggage pull rod in the horizontal X-axis direction can be obtained; similarly, when testing the swing degree of the telescopic end of the luggage pull rod in the horizontal Y-axis direction, first pass the second end of the pull rope in the first group of hanging components around a second pulley and connect and fix it to the telescopic end of the luggage pull rod, so that the telescopic end of the luggage pull rod swings to the right side along the horizontal Y-axis direction under the gravity of the weights in the first group of hanging components. At this time, record the scale value (third scale value) of the weights in the first group of hanging components on the second scale, and then pass the second end of the pull rope in the second group of hanging components around another second pulley and connect it to the telescopic end of the luggage pull rod. The retracted end is connected and fixed, so that the telescopic end of the luggage pull rod swings to the left along the horizontal X-axis direction under the action of the gravity of the weights in the second group of hanging components, so that the weights of the first group of hanging components rise vertically. At this time, the scale value (the fourth scale value) of the weights in the first group of hanging components on the second scale is recorded, and the swing degree of the telescopic end of the luggage pull rod in the horizontal Y-axis direction can be obtained by calculating the difference between the third scale value and the fourth scale value, thereby more efficiently and accurately measuring the swing degree of the luggage pull rod, avoiding the use of a handheld measuring ruler + manually shaking the telescopic end of the luggage pull rod to measure the swing degree of the luggage pull rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of a luggage drawbar swing degree testing device of the present invention;

[0022] Figure 2 for Figure 1 A schematic diagram of the structure from another angle;

[0023] Figure 3This is a schematic diagram of the structure of the connection between the base and the mounting frame in an embodiment of the present invention;

[0024] Figure 4 It is a structural schematic diagram of a state in which a fixing assembly fixes a luggage pull rod in an embodiment of the present invention;

[0025] Figure 5 for Figure 4 A schematic diagram of the structure from another angle;

[0026] Figure 6 It is a structural schematic diagram of a hanging assembly involved in an embodiment of the present invention;

[0027] Figure 7 It is a schematic diagram of the structure of a luggage pull rod in an embodiment of the present invention.

[0028] Reference numerals in the accompanying drawings:

[0029] 1. Base; 10. Screw hole; 2. Mounting frame; 21. First pulley; 22. Second pulley; 23. First scale; 24. Second scale; 3. Fixing assembly; 30. Mounting seat; 301. Mounting plate; 302. Connecting plate; 303. Waist-shaped groove; 304. Threaded hole; 305. Reinforcing rib; 31. First locking assembly; 310. Locking plate; 311. First locking knob; 312. Optical rod; 313. Through hole; 314. Bushing; 32. Second locking assembly; 320. Optical axis; 321. Connecting block; 322. Clamping assembly; 3220. Clamping block; 3221. Second locking knob; 4. Hanging component; 40. Hanging assembly; 401. Drawstring; 402. Weight; 403. Hook; 5. Luggage drawbar; 50. Fixed end; 51. Telescopic end. DETAILED DESCRIPTION

[0030] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0031] In the description of the present invention, it is necessary to understand that the orientations or positional relationships indicated by terms such as "width", "up", "down", "front", "back", "top" and "bottom" are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0032] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, a direct connection, or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0034] Please refer to Figure 1-Figure 6 The present invention provides a luggage pull rod sway degree testing device, including a base 1, a mounting frame 2, a fixing assembly 3 and a hanging component 4. The mounting frame 2 is vertically arranged on the base 1. The mounting frame 2 is vertically adjustably arranged on the base 1. The height of the mounting frame 2 can be adjusted by using an existing height adjustment structure, such as a screw height adjustment mechanism, which is not described here.

[0035] Reference Figure 1 and Figure 3 On the mounting frame 2, first pulleys 21 are rotatably provided on opposite sides along the horizontal X-axis direction, and the axial direction of the first pulley 21 extends along the horizontal Y-axis direction; on the mounting frame 2, second pulleys 22 are rotatably provided on opposite sides along the horizontal Y-axis direction, and the axial direction of the second pulley 22 extends along the horizontal X-axis direction; in addition, a first scale 23 extending vertically is provided on at least one side of the mounting frame 2 in the horizontal X-axis direction, and a second scale 24 extending vertically is provided on at least one side of the mounting frame 2 in the horizontal Y-axis direction.

[0036] Reference Figure 2 The fixing assembly 3 is adjustably arranged on the base 1 so that the fixing assembly 3 can move along the horizontal X-axis direction. The fixing assembly 3 is used to fix the fixing end 50 of the luggage pull rod 5 located in the mounting frame 2. When the position of the fixing assembly 3 in the horizontal X-axis direction is adjusted, the position of the luggage pull rod 5 in the horizontal X-axis direction also changes with the fixing assembly 3, thereby flexibly adjusting the position of the luggage pull rod 5 in the horizontal X-axis direction.

[0037] Reference Figure 2 , Figure 4 and Figure 5 The fixing assembly 3 includes a mounting seat 30 and a locking mechanism. The mounting seat 30 is arranged on the base 1. The locking mechanism is arranged on the base 1 and is used to lock and fix the fixed end 50 of the luggage pull rod 5 on the mounting seat 30. The base 1 includes a mounting plate 301 and a connecting plate 302. The mounting plate 301 can be adjusted along the horizontal X-axis direction and is arranged on the base 1. The connecting plate 302 is connected and fixed to the mounting plate 301, and the connecting plate 302 extends vertically. The mounting plate 301 is provided with a plurality of waist-shaped grooves 303 spaced apart along the horizontal Y-axis. The waist-shaped grooves 303 penetrate the upper and lower surfaces of the mounting plate 301 and extend along the horizontal X-axis direction. The base 1 is provided with a plurality of screw holes 10 at positions corresponding to each waist-shaped groove 303. The plurality of screw holes 10 corresponding to the waist-shaped grooves 303 are spaced apart along the horizontal X-axis direction. The mounting plate 301 can be fixed on the base 1 by passing a locking screw through the waist-shaped groove 303 and threading and locking with a screw hole 10 corresponding to the waist-shaped groove 303. When the position of the mounting seat 30 in the horizontal X-axis direction needs to be adjusted, the locking screw is loosened, the mounting seat 30 is manually moved, and the locking screw is threadedly connected with another screw hole 10 corresponding to the waist-shaped groove 303 and locked, so that the position of the mounting seat 30 in the horizontal X-axis direction can be adjusted.

[0038] Of course, in other embodiments, the mounting base 30 may also be electrically adjusted in position in the horizontal X-axis direction, such as by using a linear module drivingly connected to the mounting base 30, which is not limited here.

[0039] Reference Figure 2 , Figure 4 and Figure 5 The locking mechanism includes a first locking component 31 and a second locking component 32. The first locking component 31 is arranged on the connecting plate 302, and is used to limit the freedom of the fixed end 50 of the luggage rod 5 in the horizontal X-axis direction, so as to lock the fixed end 50 of the luggage rod 5 on the mounting seat 30; the second locking component 32 is arranged on the connecting plate 302, and is used to limit the freedom of the fixed end 50 of the luggage rod 5 in the horizontal Y-axis direction, so as to lock the fixed end 50 of the luggage rod 5 on the mounting seat 30.

[0040] Reference Figure 2 , Figure 4 and Figure 5The first locking assembly 31 includes a first locking knob 311, a polished rod 312, a through hole 313, a sleeve 314 and a locking plate 310. The locking plate 310 is fixed with polished rods 312 extending along the horizontal X-axis on both sides along the horizontal Y-axis direction. The connecting plate 302 is provided with a plurality of through holes 313, each of which corresponds to each polished rod 312 one by one. A sleeve 314 is provided in each through hole 313, and each polished rod 312 slides through each sleeve 314 so that the locking plate 310 can move along the horizontal X-axis direction to abut against the fixed end 50 of the luggage pull rod 5.

[0041] In addition, the first locking knob 311 is arranged on the locking plate 310, and the first locking knob 311 is used to be threadedly connected to the threaded hole 304 opened on the connecting plate 302, so that the first locking knob 311 can enable the locking plate 310 to lock the fixed end 50 of the luggage pull rod 5 on the connecting plate 302. That is to say, it can be understood that when it is necessary to limit the freedom of the fixed end 50 of the luggage tie rod 5 in the horizontal X-axis direction so as to lock the fixed end 50 of the luggage tie rod 5 on the mounting base 30, the locking plate 310 is pushed to move along the horizontal X-axis direction so that the locking plate 310 is pressed against the fixed end 50 of the luggage tie rod 5. At this time, by rotating the first locking knob 311, the first locking knob 311 is threadedly connected and locked with the threaded hole 304 on the connecting plate 302, so that the locking plate 310 can limit the freedom of the fixed end 50 of the luggage tie rod 5 in the horizontal X-axis direction, thereby locking the fixed end 50 of the luggage tie rod 5 on the mounting base 30.

[0042] Reference Figure 2 , Figure 4 and Figure 5 The second locking assembly 32 includes a clamping and locking assembly, two optical axes 320 and two connecting blocks 321. The connecting blocks 321 are respectively arranged on both sides of the surface of the connecting plate 302 facing the locking plate 310 along the horizontal Y-axis direction. The connecting blocks 321 extend along the horizontal X-axis direction, and the optical axes 320 extend along the horizontal Y-axis direction. The opposite ends of each optical axis 320 are respectively connected and fixed to the two connecting blocks 321, and the two optical axes 320 are arranged vertically at intervals. The clamping and locking assembly is slidably sleeved on the two optical axes 320, and the clamping and locking assembly can be locked on the optical axes 320. The clamping and locking assembly is used to clamp the fixed end 50 of the luggage pull rod 5. Figure 7As shown, the luggage pull rod 5 tested in this embodiment is a double pull rod structure. For this purpose, the clamping and locking assembly includes two groups of clamping assemblies 322, each group of clamping assemblies 322 includes two clamping blocks 3220, each clamping block 3220 is provided with a second locking knob 3221, each clamping block 3220 is slidably mounted on two optical axes 320, and the second locking knob 3221 on each clamping block 3220 is used to lock each clamping block 3220 on the optical axis 320. Among them, two clamping blocks 3220 in one group of clamping assemblies 322 are used to clamp the fixed end 50 of one rod on the luggage tie rod 5, and two clamping blocks 3220 in another group of clamping assemblies 322 are used to clamp the fixed end 50 of another rod on the luggage tie rod 5. In this way, the freedom of the fixed end 50 of the luggage tie rod 5 in the horizontal Y-axis direction can be limited to lock the fixed end 50 of the luggage tie rod 5 on the mounting base 30.

[0043] Of course, in other embodiments, the luggage tie rod 5 being tested may also be a single tie rod structure. For this purpose, the clamping and locking assembly includes a group of clamping assemblies 322, and the two clamping blocks 3220 in the group of clamping assemblies 322 are used to clamp the fixed end 50 on the luggage tie rod 5, so as to limit the degree of freedom of the fixed end 50 of the luggage tie rod 5 in the horizontal Y-axis direction, thereby locking the fixed end 50 of the luggage tie rod 5 on the mounting base 30.

[0044] In addition, refer to Figure 4 The connecting block 321 is vertically adjustable on the connecting plate 302. By adjusting the vertical position of the connecting block 321, the clamping and locking assembly also changes with the vertical position of the connecting block 321, thereby adjusting the clamping and locking assembly to clamp the fixed end 50 of the luggage pull rod 5 at different vertical positions. In other words, it can be understood that the vertical spacing between the second locking assembly 32 and the first locking assembly 31 is adjustable, so that the second locking assembly 32 and the first locking assembly 31 fix the fixed end 50 of the luggage pull rod 5 on the mounting seat 30 with better stability.

[0045] It should be noted that the adjustment structure for adjusting the vertical movement of the connection block 321 on the connection plate 302 can adopt an existing adjustment structure, which will not be described here.

[0046] During the test of the swing degree of the luggage pull rod 5, the fixed end 50 of the luggage pull rod 5 will exert a force on the connecting plate 302. In order to prevent the connecting plate 302 from being deformed or broken, refer to Figure 5 A reinforcing rib 305 is provided on the side of the connecting plate 302 facing away from the second locking assembly 32 , and the strength of the connecting plate 302 can be greatly improved by the reinforcing rib 305 .

[0047] Reference Figure 1 , Figure 2 and Figure 6The hanging component 4 includes two groups of hanging components 40, each group of hanging components 40 includes a drawstring 401 and a weight 402, the first end of the drawstring 401 is connected and fixed to the weight 402, the second end of the drawstring 401 is connected to a hook 403, and is connected to the telescopic end 51 of the luggage pull rod 5 through the hook 403, so that the first end of the drawstring 401 is connected to the telescopic end 51 of the luggage pull rod 5. Of course, the weights 402 of each group of hanging components 40 are the same, and the friction between the drawstring 401 and the pulley is the same.

[0048] When testing the swing degree of the telescopic end 51 of the luggage pull rod 5 in the horizontal X-axis direction, the second end of the pull rope 401 in each group of hanging components 40 is respectively passed around each first pulley 21 and connected and fixed to the telescopic end 51 of the luggage pull rod 5, so that the telescopic end 51 of the luggage pull rod 5 can swing along the horizontal X-axis direction under the gravity of the weight 402, and the first scale 23 is used to measure the vertical displacement change of the weight 402; when testing the swing degree of the telescopic end 51 of the luggage pull rod 5 in the horizontal Y-axis direction, the second end of the pull rope 401 in each group of hanging components 40 is respectively passed around each second pulley 22 and connected and fixed to the telescopic end 51 of the luggage pull rod 5, so that the telescopic end 51 of the luggage pull rod 5 can swing along the horizontal Y-axis direction under the gravity of the weight 402, and the second scale 24 is used to measure the vertical displacement change of the weight 402.

[0049] It should be noted that the front and rear swing degrees of the luggage pull rod 5 in the horizontal X-axis direction are usually symmetrical, so you only need to measure the front swing degree or the rear swing degree of the luggage pull rod 5 in the horizontal X-axis direction to know the swing degree of the luggage pull rod 5 in the horizontal X-axis direction; similarly, the left and right swing degrees of the luggage pull rod 5 in the horizontal Y-axis direction are symmetrical, you only need to measure the left swing degree or the right swing degree of the luggage pull rod 5 in the horizontal Y-axis direction to know the swing degree of the luggage pull rod 5 in the horizontal Y-axis direction.

[0050] In summary, when the luggage pull rod sway degree testing device of the present invention is used, the fixed end 50 of the luggage pull rod 5 is fixed to the base 1 through the fixing component 3, and the telescopic end 51 of the pull rod is pulled out, and the two groups of hanging components 40 are respectively defined as the first group of hanging components 40 and the second group of hanging components 40. When testing the sway degree of the telescopic end 51 of the luggage pull rod 5 in the horizontal X-axis direction, because the first end of the pull rope 401 in each group of hanging components 40 is connected and fixed with the weight 402 in each group of hanging components 40, the second end of the pull rope 401 in the first group of hanging components 40 is first passed around a first pulley 21 and connected and fixed to the telescopic end 51 of the luggage pull rod 5, so that the telescopic end 51 of the luggage pull rod 5 is in the first group of hanging components 40. The weight 402 of the first hanging assembly 40 swings along the front side of the horizontal X-axis direction under the action of gravity. At this time, the scale value (first scale value) of the weight 402 of the first hanging assembly 40 on the first scale 23 is recorded. Then, the second end of the pull rope 401 in the second hanging assembly 40 is passed around the other first pulley 21 and connected and fixed to the telescopic end 51 of the luggage pull rod 5, so that the telescopic end 51 of the luggage pull rod 5 swings along the rear side of the horizontal X-axis direction under the action of gravity of the weight 402 of the second hanging assembly 40. In this way, the weight 402 of the first hanging assembly 40 rises vertically. At this time, the scale value (second scale value) of the weight 402 of the first hanging assembly 40 on the first scale 23 is recorded. By calculating the first scale value and the second The difference in the scale values ​​can be used to determine the swing degree of the telescopic end 51 of the luggage pull rod 5 in the horizontal X-axis direction; similarly, when testing the swing degree of the telescopic end 51 of the luggage pull rod 5 in the horizontal Y-axis direction, firstly pass the second end of the pull rope 401 in the first group of hanging components 40 around a second pulley 22 and connect and fix it to the telescopic end 51 of the luggage pull rod 5, so that the telescopic end 51 of the luggage pull rod 5 swings to the right side along the horizontal Y-axis direction under the gravity of the weight 402 in the first group of hanging components 40, at this time, record the scale value (third scale value) of the weight 402 in the first group of hanging components 40 on the second scale 24, then pass the second end of the pull rope 401 in the second group of hanging components 40 around another second pulley 2 2 is connected and fixed to the telescopic end 51 of the luggage pull rod 5, so that the telescopic end 51 of the luggage pull rod 5 swings to the left along the horizontal X-axis direction under the gravity of the weight 402 in the second group of hanging components 40, so that the weight 402 of the first group of hanging components 40 rises vertically, and at this time, the scale value (fourth scale value) of the weight 402 in the first group of hanging components 40 on the second scale 24 is recorded, and the swing degree of the telescopic end 51 of the luggage pull rod 5 in the horizontal Y-axis direction can be obtained by calculating the difference between the third scale value and the fourth scale value, so as to more efficiently and accurately measure the swing degree of the luggage pull rod 5, and avoid using a handheld measuring ruler + manually shaking the telescopic end 51 of the luggage pull rod 5 to measure the swing degree of the luggage pull rod 5.

[0051] As another application scenario, if the front-to-back swing degree of the luggage pull rod 5 in the horizontal X-axis direction is asymmetric, and the left-to-right swing degree of the luggage pull rod 5 in the horizontal Y-axis direction is also asymmetric, it is necessary to set the above-mentioned first scale 23 on both sides of the mounting frame 2 along the horizontal X-axis direction, and set the above-mentioned second scale 24 on both sides of the mounting frame 2 along the horizontal Y-axis direction. When testing the front side swing degree of the telescopic end 51 of the luggage pull rod 5 in the horizontal X-axis direction, firstly pass the second end of the pull rope 401 in the first group of hanging components 40 around the first pulley 21 on the front side of the mounting frame 2 to connect and fix it to the telescopic end 51 of the luggage pull rod 5, so that the telescopic end 51 of the luggage pull rod 5 swings along the front side of the horizontal X-axis direction under the gravity of the weight 402 of the first group of hanging components 40. At this time, record the scale value of the weight 402 of the first group of hanging components 40 on the first scale 23 on the front side of the mounting frame 2. Then, pass the second end of the pull rope 401 in the second group of hanging components 40 around the mounting frame 2 to connect and fix it. The first pulley 21 on the rear side of the frame 2 is connected and fixed to the telescopic end 51 of the luggage pull rod 5, so that the telescopic end 51 of the luggage pull rod 5 swings rearwardly along the horizontal X-axis direction under the action of the gravity of the weights 402 of the second group of hanging components 40, so that the weights 402 of the first group of hanging components 40 rise vertically. At this time, the scale value of the weights 402 of the first group of hanging components 40 on the first scale 23 on the front side of the mounting frame 2 is recorded. By calculating the difference between the two scale values ​​recorded on the first scale 23 on the front side of the mounting frame 2, the front side swing degree of the telescopic end 51 of the luggage pull rod 5 in the horizontal X-axis direction can be obtained.

[0052] Similarly, when testing the rearward swing degree of the telescopic end 51 of the luggage pull rod 5 in the horizontal X-axis direction, firstly pass the second end of the pull rope 401 in the first group of hanging components 40 around the first pulley 21 on the rear side of the mounting frame 2 and connect and fix it to the telescopic end 51 of the luggage pull rod 5, so that the telescopic end 51 of the luggage pull rod 5 swings rearward along the horizontal X-axis direction under the gravity of the weight 402 of the first group of hanging components 40. At this time, record the scale value of the weight 402 of the first group of hanging components 40 on the first scale 23 on the rear side of the mounting frame 2. Then, pass the second end of the pull rope 401 in the second group of hanging components 40 around the first pulley 21 on the rear side of the mounting frame 2. The first pulley 21 on the front side of the mounting frame 2 is connected and fixed to the telescopic end 51 of the luggage pull rod 5, so that the telescopic end 51 of the luggage pull rod 5 swings along the front side of the horizontal X-axis direction under the gravity of the weight 402 of the second group of hanging components 40, so that the weight 402 of the first group of hanging components 40 rises vertically. At this time, the scale value of the weight 402 of the first group of hanging components 40 on the first scale 23 on the rear side of the mounting frame 2 is recorded. By calculating the difference between the two scale values ​​recorded on the first scale 23 on the rear side of the mounting frame 2, the rear side swing degree of the telescopic end 51 of the luggage pull rod 5 in the horizontal X-axis direction can be obtained. Since the steps of testing the left and right swing degree of the telescopic end 51 of the luggage pull rod 5 in the horizontal Y-axis direction are the same as those of testing the front and rear swing degree of the telescopic end 51 of the luggage pull rod 5 in the horizontal X-axis direction, they are not repeated here.

[0053] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A luggage drawbar swing test device, characterized in that: include: Base; A mounting frame is vertically arranged on the base, first pulleys are rotatably arranged on opposite sides of the mounting frame along the horizontal X-axis direction, second pulleys are rotatably arranged on opposite sides of the mounting frame along the horizontal Y-axis direction, a first scale extending vertically is arranged on at least one side of the mounting frame in the horizontal X-axis direction, and a second scale extending vertically is arranged on at least one side of the mounting frame in the horizontal Y-axis direction; A fixing assembly is adjustably arranged on the base so that the fixing assembly can move along the horizontal X-axis direction; the fixing assembly includes a mounting seat and a locking mechanism, the mounting seat is arranged on the base, and the locking mechanism is arranged on the base; the locking mechanism includes a first locking assembly and a second locking assembly, the mounting seat is provided with a connecting plate extending vertically, and the first locking assembly and the second locking assembly are both arranged on the connecting plate; the first locking assembly is used to limit the degree of freedom of the fixed end of the luggage pull rod in the horizontal X-axis direction, and the second locking assembly is used to limit the degree of freedom of the fixed end of the luggage pull rod in the horizontal Y-axis direction, so as to lock and fix the fixed end of the luggage pull rod located in the mounting frame to the mounting seat; The hanging component includes two groups of hanging components, each group of hanging components includes a drawstring and a weight, the first end of the drawstring is connected and fixed to the weight, when testing the swing degree of the telescopic end of the luggage pull rod in the horizontal X-axis direction, the second end of the drawstring in each group of hanging components is respectively bypassed by each first pulley and connected and fixed to the telescopic end of the luggage pull rod, so that the telescopic end of the luggage pull rod can swing along the horizontal X-axis direction under the gravity of the weight, and the first scale is used to measure the displacement change of a weight in the vertical direction; when testing the swing degree of the telescopic end of the luggage pull rod in the horizontal Y-axis direction, the second end of the drawstring in each group of hanging components is respectively bypassed by each second pulley and connected and fixed to the telescopic end of the luggage pull rod, so that the telescopic end of the luggage pull rod can swing along the horizontal Y-axis direction under the gravity of the weight, and the second scale is used to measure the displacement change of a weight in the vertical direction; The second end of the drawstring is connected with a hook for connecting with the telescopic end of the luggage drawbar.

2. The luggage drawbar swing test device according to claim 1, characterized in that: The first locking assembly includes a first locking knob and a locking plate, wherein light rods extending along the horizontal X-axis are fixed on both sides of the locking plate along the horizontal Y-axis direction, and a plurality of through holes are provided on the connecting plate, each of which corresponds to each light rod one by one, and a shaft sleeve is provided in each through hole, and each light rod slides through each shaft sleeve so that the locking plate can move along the horizontal X-axis direction to abut against the fixed end of the luggage pull rod; the first locking knob is provided on the locking plate, and the first locking knob is used to be threadedly connected to the threaded hole provided on the connecting plate, so that the first locking knob can enable the locking plate to lock the fixed end of the luggage pull rod on the connecting plate.

3. The luggage drawbar swing test device according to claim 2, characterized in that: The second locking assembly includes a clamping and locking assembly, two optical axes and two connecting blocks. The connecting blocks are respectively arranged on both sides of the surface of the connecting plate facing the locking plate along the horizontal Y-axis direction. The connecting blocks extend along the horizontal X-axis direction, and the optical axes extend along the horizontal Y-axis direction. The opposite ends of each optical axis are respectively connected and fixed to the two connecting blocks, and the two optical axes are arranged at intervals in the vertical direction. The clamping and locking assembly is slidably sleeved on the two optical axes, and the clamping and locking assembly can be locked on the optical axis. The clamping and locking assembly is used to clamp the fixed end of the luggage drawbar.

4. The luggage drawbar swing test device according to claim 3, characterized in that: The connecting block is adjustably arranged on the connecting plate in the vertical direction.

5. The luggage drawbar swing test device according to claim 1, characterized in that: A reinforcing rib is provided on a side of the connecting plate facing away from the second locking assembly.

6. The luggage drawbar swing test device according to claim 1, characterized in that: The mounting frame is adjustably arranged on the base in the vertical direction.

Images