Telescopic fatigue testing device for luggage pull rod

Abstract

The utility model discloses a luggage pull rod stretching fatigue testing device. Comprising a base, a supporting rod arranged on the base, a supporting plate arranged on the supporting rod, a connecting rod arranged on the supporting plate and used for fixing a transverse rod of a luggage pull rod, a pressing block air cylinder arranged on the supporting plate, located below the connecting rod and used for pressing a pressing block of the luggage pull rod, and a handle air cylinder arranged on the back of the supporting plate and used for pushing and pulling a handle of the luggage pull rod. The handle cylinder pushes and pulls the handle of the luggage pull rod to drive the inner pipe of the luggage pull rod to slide in the outer pipe of the luggage pull rod so as to realize the extension and retraction of the luggage pull rod, and a display screen for displaying the extension and retraction times of the luggage pull rod is arranged on the supporting plate. The pressing block of the luggage pull rod is pressed through the pressing block air cylinder, and unlocking of the luggage pull rod is achieved; the handle of the luggage pull rod is pushed and pulled through the handle cylinder to carry out the telescopic fatigue test of the pull rod, the display screen displays the telescopic times of the luggage pull rod, the telescopic fatigue test of the pull rod in an enterprise can be conveniently completed, the structure is simple, and the manufacturing cost is low.

Description

Technical Field

[0001] The utility model relates to the field of plastic hardware processing, in particular to a luggage drawbar telescopic fatigue testing device. Background Art

[0002] Luggage trolleys are accessories used for pushing and pulling luggage. They are usually installed on one side of the luggage. The trolleys are usually assembled by a plastic handle and a metal sleeve. For ease of use, the trolleys are usually set to be telescopic. The height adjustment is achieved by the cooperation between the inner tube of the trolley and the outer tube of the trolley. After the trolley is manufactured, it is necessary to test its telescopic fatigue, that is, to test the maximum number of times the trolley can be extended and retracted, so as to ensure the quality of the trolley. However, the current trolley telescopic fatigue testing machine has a complex structure and high manufacturing cost. It is usually stored in a third-party testing agency. Enterprises need to send the manufactured trolleys to the testing agency for testing, which is very inconvenient. Summary of the invention

[0003] In order to solve one or some technical problems existing in the prior art, the purpose of the present application is to provide a luggage drawbar telescopic fatigue testing device, which can facilitate the completion of the drawbar telescopic fatigue test within the enterprise, and has a simple structure and low manufacturing cost.

[0004] In order to solve the above-mentioned existing technical problems, the purpose of this application is achieved by adopting the following technical solutions: a luggage drawbar extension fatigue test device, comprising a base, a support rod arranged on the base, a support plate arranged on the support rod, a connecting rod arranged on the support plate for fixing the crossbar of the luggage drawbar, a block pressing cylinder arranged on the support plate below the connecting rod for pressing the block of the luggage drawbar, and a handle cylinder arranged on the back of the support plate for pushing and pulling the handle of the luggage drawbar. The handle cylinder pushes and pulls the handle of the luggage drawbar to drive the inner tube of the luggage drawbar to slide inside the outer tube of the luggage drawbar to achieve the extension and retraction of the luggage drawbar. A display screen that displays the number of times the luggage drawbar is extended and retracted is provided on the support plate. The block pressing cylinder presses the block of the luggage drawbar to unlock the luggage drawbar; the handle cylinder pushes and pulls the handle of the luggage drawbar to perform an extension and retraction fatigue test of the drawbar, and the display screen displays the number of times the luggage drawbar is extended and retracted.

[0005] Preferably, a pressing frame for pressing the pressing block of the luggage pull rod is provided at the end of the piston rod of the pressing cylinder. The pressing frame avoids direct contact between the piston rod end of the pressing cylinder and the pressing block, which may cause damage to the piston rod. When the pressing frame is damaged, it can be replaced and repaired in time, which reduces the maintenance cost.

[0006] Preferably, the pressing frame comprises a Z-shaped frame connected to the piston rod end of the block pressing cylinder, a vertical plate arranged on the Z-shaped frame, and a horizontal plate arranged on the vertical plate, wherein the horizontal plate is used to press the block of the luggage pull rod. The structure is simple and the manufacturing cost is low.

[0007] Preferably, the Z-shaped frame, the vertical plate and the horizontal plate are an integrated structure, which has high strength and is easy to manufacture.

[0008] Preferably, the piston rod end of the handle cylinder is provided with a handle frame connected to the handle of the luggage pull rod. The handle frame avoids direct contact between the piston rod end of the handle cylinder and the handle, which may cause damage to the piston rod. When the handle frame is damaged, it can be replaced and repaired in time, which reduces the repair cost.

[0009] Preferably, the handle frame comprises a vertical column connected to the end of the piston rod of the handle cylinder and a transverse column arranged on the vertical column and perpendicular to the vertical column. The structure is simple and the manufacturing cost is low.

[0010] Preferably, a strapping belt for fixing the handle of the luggage pull rod is provided on the transverse column. The handle is fixed to the transverse column by the strapping belt, and the connection is firm and not easy to deviate.

[0011] Preferably, the transverse column is provided with anti-slip grooves to prevent the strapping belt from slipping off the transverse column and increase the reliability of the connection.

[0012] Preferably, the connecting rod is provided with a strapping belt for fixing the cross bar of the luggage pull rod. The cross bar is fixed to the connecting rod by the strapping belt, and the connection is firm and not easy to deviate.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The luggage trolley extension and retraction fatigue testing device adopts the above technical solution, wherein the pressure block of the luggage trolley is pressed by the pressure block cylinder to unlock the luggage trolley; the handle of the luggage trolley is pushed and pulled by the handle cylinder to perform the extension and retraction fatigue test of the trolley; the display screen displays the number of times the luggage trolley is extended and retracted, which is convenient for the enterprise to complete the extension and retraction fatigue test of the trolley, and the structure is simple and the manufacturing cost is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the utility model when the pull rod is stretched;

[0016] Figure 2 This is a structural schematic diagram of the cylinder and the pressing frame of the middle pressure block of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the handle cylinder and the handle frame in the utility model;

[0018] Figure 4 for Figure 1 The enlarged view of point A in the middle;

[0019] Figure 5 This is a schematic diagram of the structure of the utility model when the pull rod is retracted;

[0020] In the figure: 1. base; 2. support rod; 3. support plate; 4. connecting rod; 5. block cylinder; 6. handle cylinder; 7. pressing frame; 71. Z-shaped frame; 72. vertical plate; 73. horizontal plate; 8. handle frame; 81. vertical column; 82. horizontal column; 83. anti-slip pattern; 9. strapping belt; 10. display screen; 11. handle; 12. horizontal bar; 13. block; 14. outer tube; 15. inner tube. DETAILED DESCRIPTION

[0021] Below, the present application is further described in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0022] In the description of the present application, it should be understood that the terms "up", "down", "left", "right", etc., indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present application.

[0023] like Figure 1 As shown, a luggage drawbar extension and retraction fatigue testing device comprises a base 1, a support rod 2 arranged on the base 1, a support plate 3 arranged on the support rod 2, a connecting rod 4 arranged on the support plate 3 for fixing a cross bar 12 of the luggage drawbar, a pressing block cylinder 5 arranged on the support plate 3 and located below the connecting rod 4 for pressing a pressing block 13 of the luggage drawbar, and a handle cylinder 6 arranged on the back of the support plate 3 for pushing and pulling a handle 11 of the luggage drawbar. The handle cylinder 6 pushes and pulls the handle 11 of the luggage drawbar to drive the inner tube 15 of the luggage drawbar to slide in the outer tube 14 of the luggage drawbar to achieve the extension and retraction of the luggage drawbar. A display screen 10 for displaying the number of times the luggage drawbar is extended and retracted is provided on the support plate 3.

[0024] like Figure 2 and Figure 4 As shown, a pressing frame 7 for pressing a pressing block 13 of a luggage pull rod is provided at the end of the piston rod of the pressing cylinder 5. The pressing frame 7 includes a Z-shaped frame 71 connected to the end of the piston rod of the pressing cylinder 5, a vertical plate 72 provided on the Z-shaped frame 71, and a horizontal plate 73 provided on the vertical plate 72, wherein the horizontal plate 73 is used to press the pressing block 13 of the luggage pull rod. The Z-shaped frame 71, the vertical plate 72 and the horizontal plate 73 are an integrated structure. This avoids direct contact between the end of the piston rod of the pressing cylinder 5 and the pressing block 13, thereby preventing the piston rod from being damaged. When the pressing frame 7 is damaged, it can be replaced and repaired in time, thereby reducing the maintenance cost. In addition, the structure is simple and the manufacturing cost is low.

[0025] like Figure 3As shown, the piston rod end of the handle cylinder 6 is provided with a handle frame 8 connected to the handle 11 of the luggage pull rod. The handle frame 8 includes a vertical column 81 connected to the piston rod end of the handle cylinder 6, and a horizontal column 82 arranged on the vertical column 81 and perpendicular to the vertical column 81. The horizontal column 82 is provided with a strapping belt 9 for fixing the handle 11 of the luggage pull rod. The horizontal column 82 is provided with an anti-slip pattern 83. The piston rod end of the handle cylinder 6 is prevented from directly contacting the handle 11 to cause damage to the piston rod. When the handle frame 8 is damaged, it can be replaced and repaired in time, which reduces the maintenance cost, and has a simple structure and low manufacturing cost.

[0026] like Figure 5 As shown, the connecting rod 4 is provided with a strapping belt 9 for fixing the cross bar 12 of the luggage pull rod. The cross bar 12 is fixed to the connecting rod 4 by the strapping belt 9, and the connection is firm and not easy to deviate. The strapping belt 9 is generally made of plastic material to avoid damaging the pull rod; it can also be tied and fixed with iron wire.

[0027] In actual work, refer to Figure 1 and Figure 5 The pressing block 13 of the luggage drawbar is pressed by the pressing block cylinder 5 to unlock the luggage drawbar; the handle 11 of the luggage drawbar is pushed and pulled by the handle cylinder 6 to perform the extension fatigue test of the drawbar. The display screen displays the maximum number of extensions and retractions of the drawbar, which is convenient for the staff to record data. It is convenient for enterprises to complete the extension fatigue test of the drawbar, and the structure is simple and the manufacturing cost is low.

[0028] The above-mentioned implementation modes are only preferred implementation modes of the present application and cannot be used to limit the scope of protection of the present application. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present application shall fall within the scope of protection required by the present application.

Claims

1. Luggage and bag drawbar extension fatigue testing device, characterized by: The utility model comprises a base (1), a support rod (2) arranged on the base (1), a support plate (3) arranged on the support rod (2), a connecting rod (4) arranged on the support plate (3) for fixing a cross rod (12) of a luggage pull rod, a pressing block cylinder (5) arranged on the support plate (3) below the connecting rod (4) for pressing a pressing block (13) of the luggage pull rod, and a handle cylinder (6) arranged on the back of the support plate (3) for pushing and pulling a handle (11) of the luggage pull rod. The handle cylinder (6) pushes and pulls the handle (11) of the luggage pull rod to drive the inner tube (15) of the luggage pull rod to slide in the outer tube (14) of the luggage pull rod to realize the extension and retraction of the luggage pull rod. The support plate (3) is provided with a display screen (10) for displaying the number of times the luggage pull rod is extended and retracted.

2. The luggage drawbar extension fatigue testing device according to claim 1, characterized in that: A pressing frame (7) for pressing a pressing block (13) for pressing a luggage pull rod is provided at the end of the piston rod of the pressing block cylinder (5).

3. The luggage drawbar extension fatigue testing device according to claim 2, characterized in that: The pressing frame (7) comprises a Z-shaped frame (71) connected to the end of the piston rod of the pressing block cylinder (5), a vertical plate (72) arranged on the Z-shaped frame (71), and a horizontal plate (73) arranged on the vertical plate (72), wherein the horizontal plate (73) is used to press the pressing block (13) of the luggage pull rod.

4. The luggage drawbar extension fatigue testing device according to claim 3, characterized in that: The Z-shaped frame (71), the vertical plate (72) and the horizontal plate (73) are an integrated structure.

5. The luggage drawbar extension fatigue testing device according to claim 1, characterized in that: The piston rod end of the handle cylinder (6) is provided with a handle frame (8) connected to the handle (11) of the luggage pull rod.

6. The luggage drawbar extension fatigue testing device according to claim 5, characterized in that: The handle frame (8) comprises a vertical column (81) connected to the end of the piston rod of the handle cylinder (6), and a transverse column (82) arranged on the vertical column (81) and perpendicular to the vertical column (81).

7. The luggage drawbar extension fatigue testing device according to claim 6, characterized in that: The transverse column (82) is provided with a binding belt (9) for fixing the handle (11) of the luggage pull rod.

8. The luggage drawbar extension fatigue testing device according to claim 7, characterized in that: The transverse column (82) is provided with anti-slip grooves (83).

9. The luggage drawbar extension fatigue testing device according to claim 1, characterized in that: The connecting rod (4) is provided with a binding belt (9) for fixing a crossbar (12) of a luggage pull rod.

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