Slide plate luggage case capable of being manually adjusted

Abstract

The invention discloses a manually adjustable sliding plate luggage case which comprises a support, a case body and a handrail, the lower end of the handrail penetrates through the front end of the support and is in running fit with the support, the lower end of the handrail is provided with a front wheel, the bottom of the case body is provided with a sliding sleeve, the sliding sleeve is arranged on the outer side of the support in a sleeving mode, and the sliding sleeve and the support are in front-back sliding fit. Two rear wheels are arranged at the rear end of the box body, a locking mechanism is arranged on the box body, a front locking position and a rear locking position are arranged on the support, and the locking mechanism is used for locking the sliding sleeve at the front locking position when the sliding sleeve slides to a preset position at the front end of the support and locking the sliding sleeve at the rear locking position when the sliding sleeve slides to the preset position at the front end of the support. And when the sliding sleeve slides to a preset position at the rear end of the support, the sliding sleeve is locked at the rear locking position. The distance between the box body and the handrail is conveniently adjusted, so that riding is convenient, the position of the adjusted box body can be reliably locked, and application requirements are well met.

Description

Technical Field

[0001] The invention relates to a rideable suitcase, in particular to a manually adjustable skateboard suitcase. Background Art

[0002] A skateboard suitcase is a device in which a suitcase is placed on a skateboard, which is convenient for pushing and riding. For the structure of common suitcases, please refer to the Chinese patent publication with publication number CN202750885U and the name "straight-step skateboard suitcase", which records: "A straight-step skateboard suitcase includes a suitcase, a pull-out handle is provided at the front end of the suitcase, and a skateboard is fixedly connected to the lower surface of the bottom plate of the suitcase. A wheel axle and front and rear pulleys are provided at the front and rear ends of the skateboard respectively, a pedal brake plate is provided on the rear pulley, and a notch is provided at the rear of the suitcase, and a pedal groove is formed at the connection between the notch and the skateboard. The advantages are: during use, it does not need to be folded and is not easy to be damaged. When in use, one foot can be directly stepped on and the other foot can be pushed on the ground for sliding. It is convenient to use, labor-saving, fast, flexible and safe to slide". Although this type of suitcase has the functions of storing luggage and riding, it is affected by the front and rear length of the case. When the user rides on the case, the distance between the case and the handle is too small, which makes the user particularly limited in controlling the walking direction, inconvenient to operate, and has a poor user experience. If the size of the case is set too long, it cannot meet the application requirements of small size. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a manually adjustable skateboard suitcase with an adjustable distance between the box body and the armrests to facilitate riding, and at the same time the adjusted box body position can be reliably locked.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions.

[0005] A manually adjustable skateboard suitcase, comprising a support, a box body and an armrest, wherein the lower end of the armrest passes through the front end of the support and the two are rotatably matched, the lower end of the armrest is provided with a front wheel, the bottom of the box body is provided with a sliding sleeve, the sliding sleeve is sleeved on the outer side of the support and the two are slidably matched front and back, the rear end of the box body is provided with two rear wheels, the box body is provided with a locking mechanism, the support is provided with a front locking position and a rear locking position, the locking mechanism is used to lock the sliding sleeve to the front locking position when the sliding sleeve slides to the preset position at the front end of the support, and to lock the sliding sleeve to the rear locking position when the sliding sleeve slides to the preset position at the rear end of the support.

[0006] Preferably, the front locking position is provided with a front locking hole, and the rear locking position is provided with a rear locking hole.

[0007] Preferably, the locking mechanism is arranged on the front side of the box body.

[0008] Preferably, an inner shell is provided on the inner wall of the box body, and the locking mechanism includes a latch, a slider and a spring. The latch and the spring are both provided in the inner shell, and the end of the latch is aligned with the line connecting the front locking hole and the rear locking hole. The spring is used to apply elastic force to the latch so that the latch is inserted into the front locking hole or the rear locking hole. The slider is slidably matched with the outer side wall of the inner shell, and the slider is used to drive the latch to telescopic movement relative to the inner shell.

[0009] Preferably, a concave portion is formed at the bottom of the box body, and the sliding sleeve is fixed to the inner side of the concave portion.

[0010] Preferably, a through hole is provided on the side wall of the inner recessed portion for the latch to pass through.

[0011] Preferably, the inner shell and the inner recess are integrally formed.

[0012] Preferably, two retaining rings are formed on the outer side wall of the latch, an annular retaining groove is formed between the two retaining rings, the slider includes two arms extending into the inner shell, the latch is inserted between the two arms, and the arms are retained in the annular retaining groove.

[0013] Preferably, a cover plate is provided at one end of the inner shell away from the inner recess, the spring sleeve is arranged on the outer side of the latch, and the spring clip is arranged between the cover plate and the snap ring.

[0014] Preferably, the front wheel is an electric wheel, the rear wheel is a driven wheel, and the armrest is provided with an operating handle for controlling the operation of the front wheel.

[0015] In the manually adjustable skateboard suitcase disclosed in the present invention, the support serves as a main body supporting mechanism, and a rotatable armrest is arranged at the front end thereof, and the steering of the front wheel can be controlled by operating the armrest. A sliding sleeve that slidably cooperates with the support is arranged at the bottom of the case body, and the relative position between the sliding sleeve and the support is locked by the locking mechanism. When the user needs to push the suitcase, the locking relationship of the locking mechanism can be released, and the case body can be pushed forward to make it close to the armrest. When the locking mechanism is aligned with the front locking position, they are locked with each other. The suitcase is in a retracted state as a whole. When the user needs to ride, the locking relationship of the locking mechanism can be released first, and the case can be pushed backward to move away from the armrest. The locking mechanism and the rear locking position are aligned and locked with each other, and the suitcase is in an extended state as a whole. In this state, the user rides on the case, and the arms can be properly extended to operate the armrest more comfortably. Based on the above principle, the present invention not only facilitates the adjustment of the distance between the case and the armrest, thereby facilitating riding, but also can reliably lock the adjusted position of the case, thereby better meeting the application requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The skateboard suitcase of the present invention is three-dimensional Figure 1 ; Figure 2 The skateboard suitcase of the present invention is three-dimensional Figure 2 ; Figure 3 This is an exploded view of the skateboard suitcase of the present invention; Figure 4 This is the internal structure diagram of the box; Figure 5 is an exploded view of the locking mechanism; Figure 6 Exploded view of the armrest. DETAILED DESCRIPTION

[0017] The present invention is described in more detail below with reference to the accompanying drawings and embodiments.

[0018] The invention discloses a manually adjustable skateboard suitcase, Figures 1 to 6 As shown, it includes a support 1, a box body 2 and an armrest 3, the lower end of the armrest 3 passes through the front end of the support 1 and the two are rotatably matched, the lower end of the armrest 3 is provided with a front wheel 4, the bottom of the box body 2 is provided with a sliding sleeve 5, the sliding sleeve 5 is sleeved on the outer side of the support 1 and the two are slidably matched front and back, the rear end of the box body 2 is provided with two rear wheels 6, the box body 2 is provided with a locking mechanism 7, the support 1 is provided with a front locking position and a rear locking position, the locking mechanism 7 is used to lock the sliding sleeve 5 to the front locking position when the sliding sleeve 5 slides to the preset position at the front end of the support 1, and lock the sliding sleeve 5 to the rear locking position when the sliding sleeve 5 slides to the preset position at the rear end of the support 1.

[0019] In the above structure, the support 1 is used as the main supporting mechanism, and a rotatable armrest 3 is provided at the front end thereof. The steering of the front wheel 4 can be controlled by operating the armrest 3. The bottom of the box body 2 is provided with a sliding sleeve 5 that is slidably matched with the support 1, and the relative position between the sliding sleeve 5 and the support 1 is locked by the locking mechanism 7. When the user needs to push the suitcase, the locking relationship of the locking mechanism 7 can be released, and the box body 2 can be pushed forward to make it close to the armrest 3. When the locking mechanism 7 is aligned with the front locking position, they are locked with each other, and the luggage can be pushed forward. The box as a whole is in a retracted state. When the user needs to ride, the locking relationship of the locking mechanism 7 can be released first, and the box body 2 can be pushed backward to make it away from the armrest 3. The locking mechanism 7 is locked with the rear locking position when it is aligned. The suitcase is in an extended state as a whole. In this state, the user rides on the box body 2, and the arms can be properly extended to operate the armrest 3 more comfortably. Based on the above principle, the present invention not only facilitates the adjustment of the distance between the box body and the armrest, thereby facilitating riding, but also can reliably lock the adjusted box body position, thereby better meeting the application requirements.

[0020] In order to facilitate manual locking and unlocking operations, in this embodiment, the locking mechanism 7 is arranged on the front side of the box body 2.

[0021] Regarding the specific locking relationship of the present invention, this embodiment can adopt the plug-in matching mode of the latch and the locking hole, combined with Figures 3 to 5 As shown, the front locking position is provided with a front locking hole 8, and the rear locking position is provided with a rear locking hole 9.

[0022] Furthermore, the inner wall of the box body 2 is provided with an inner shell 20, and the locking mechanism 7 includes a latch 70, a slider 71 and a spring 72. The latch 70 and the spring 72 are both provided in the inner shell 20. The end of the latch 70 is aligned with the line between the front locking hole 8 and the rear locking hole 9. The spring 72 is used to apply elastic force to the latch 70 so that the latch 70 is inserted into the front locking hole 8 or the rear locking hole 9. The slider 71 is slidably matched with the outer wall of the inner shell 20, and the slider 71 is used to drive the latch 70 to telescopically move relative to the inner shell 20. A through hole is provided on the side wall of the inner recess 21 for the latch 70 to pass through.

[0023] In the above structure, the latch 70 can be driven away from the locking hole by sliding the slider 71, thereby releasing the locking relationship and adjusting the front and rear positions of the box body 2. After the position is adjusted and the latch 70 is aligned with the front or rear locking hole, the elastic force applied by the spring 72 drives the latch 70 to extend and lock in the corresponding locking hole. The above structure is simple, reliable, and has a low application cost. At the same time, it is convenient for users to operate the locking and unlocking relationships.

[0024] In order to better install the sliding sleeve 5 , in this embodiment, an inner recess 21 is formed at the bottom of the box body 2 , and the sliding sleeve 5 is fixed to the inner side of the inner recess 21 .

[0025] For the convenience of processing, in the present embodiment, the inner shell 20 and the inner recess 21 are integrally formed.

[0026] As a preferred embodiment, two retaining rings 74 are formed on the outer wall of the latch pin 70, an annular retaining groove 75 is formed between the two retaining rings 74, the slider 71 includes two support arms 76 extending into the inner shell 20, the latch pin 70 is inserted between the two support arms 76, and the support arms 76 are retained in the annular retaining groove 75.

[0027] In the above structure, based on the plug-in matching relationship between the two support arms 76 and the two snap rings 74, the slider 71 can drive the latch pin 70 to telescopically move, which helps to improve the reliability of the locking and unlocking relationship.

[0028] In order to accommodate the latch 70 and the spring 72 and provide an abutment relationship for the spring 72, in the present embodiment, a cover plate 73 is provided at one end of the inner shell 20 away from the inner recess 21, and the spring 72 is sleeved on the outer side of the latch 70, and the spring 72 is clamped between the cover plate 73 and the retaining ring 74.

[0029] The scooter in this embodiment is preferably an electric scooter. Specifically, the front wheel 4 is an electric wheel, the rear wheel 6 is a driven wheel, and an operating handle 30 for controlling the operation of the front wheel 4 is provided on the handrail 3 .

[0030] See also Figure 2In this embodiment, the armrest 3 is preferably an armrest with adjustable lifting length. Specifically, the armrest 3 includes a lower tube 31, an upper tube 32 and a handle 33. The handle 33 is fixed to the upper end of the upper tube 32. The lower end of the upper tube 32 is inserted inside the upper end of the lower tube 31. The upper tube 32 and the lower tube 31 are locked by a wrench mechanism 35. The lower end of the lower tube 31 passes through the support 1 and the two are rotatably matched through a bearing. A front fork 34 is fixed to the lower end of the lower tube 31, and the front wheel 4 is arranged on the inner side of the front fork 34. Among them, the wrench mechanism 35 is a wrench locking structure based on the combination and matching of the clamp and the cam.

[0031] In order to make the box 2 move smoothly, in this embodiment, an axle seat 10 is provided at the bottom of the rear end of the box 2, a transverse axis 11 is provided in the axle seat 10, and two rear wheels 6 are respectively connected to the two ends of the transverse axis 11. Further, a telescopic pull rod 12 is provided at the rear end of the box 2.

[0032] On this basis, see Figure 3 and Figure 6 The handrail 3 includes a transfer tube 36, the lower end of which is inserted into the inner side of the upper end of the lower tube 31, the lower end of the upper tube 32 passes through the transfer tube 36, the wrench mechanism 35 is sleeved on the upper end of the lower tube 31, the side of the transfer tube 36 is provided with a middle hole 360, the edge of the middle hole 360 ​​is formed with a flange 361 protruding outward, the side of the lower tube 31 is provided with a lower hole 310, the middle hole 360 ​​is aligned with the lower hole 310, the flange 361 is penetrated in the lower hole 310, the side of the upper tube 32 is provided with an upper hole 320, a locking end 321 is penetrated in the upper hole 320, the outer end of the locking end 321 is hemispherical, and the inner end of the locking end 321 is provided with The outer edge portion 322 abuts against the inner wall of the upper tube 32. A V-shaped spring 323 is provided in the upper tube 32. One end of the V-shaped spring 323 abuts against the inner end of the locking end 321, and the other end of the V-shaped spring 323 abuts against the inner wall of the upper tube 32. When the upper tube 32 slides upward to be aligned with the middle hole 360 ​​and the lower hole 310, the locking end 321 is driven through the middle hole 360 ​​and the lower hole 310 by the elastic force applied by the V-shaped spring 323. When the locking end 321 is pressed inwardly, the locking end 321 withdraws from the middle hole 360 ​​and the lower hole 310, so that the upper tube 32 can slide downward relative to the transfer tube 36.

[0033] In the above structure, when the height of the handle 33 needs to be adjusted, the wrench mechanism 35 can be unlocked, and then the locking end 321 is pressed inward to make the locking end 321 withdraw from the middle hole 360 ​​and the lower hole 310. At this time, the upper tube 32 is pressed downward to make it slide downward relative to the transfer tube 36 and the lower tube 31. When the upper tube 32 is adjusted to an appropriate position, the wrench mechanism 35 is used to lock the upper tube 32. In addition, when the upper tube 32 needs to be adjusted upward, the locking end 321 It can limit its maximum rising position, that is, when the upper tube 32 slides upward to align with the middle hole 360 ​​and the lower hole 310, the elastic force applied by the V-shaped spring 323 drives the locking end 321 to pass through the middle hole 360 ​​and the lower hole 310. Based on the above principle, the present invention adopts a double locking function, which can not only reliably lock the upper and lower positions of the upper tube 32, but also prevent the upper tube 32 from being pulled out of the transfer tube 36 during the adjustment process, thereby meeting the application requirements of high safety and high reliability. In addition, during the assembly process in the factory, the locking end 321 can also be pressed to slide from top to bottom into the middle hole 360 ​​and the lower hole 310, so it also has the function of facilitating assembly.

[0034] In order to make the upper end of the lower tube 31 elastic and thus exert the locking effect of the wrench mechanism 35 , in this embodiment, two symmetrically arranged notches 311 are opened on the side of the lower tube 31 , and the notches 311 extend to the upper end of the lower tube 31 .

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions or improvements made within the technical scope of the present invention should be included in the scope of protection of the present invention.

Claims

1. A manually adjustable skateboard suitcase, characterized in that: The invention comprises a support (1), a box (2) and an armrest (3), wherein the lower end of the armrest (3) passes through the front end of the support (1) and the two are rotatably matched, the lower end of the armrest (3) is provided with a front wheel (4), the bottom of the box (2) is provided with a sliding sleeve (5), the sliding sleeve (5) is sleeved on the outer side of the support (1) and the two are slidably matched front and back, the rear end of the box (2) is provided with two rear wheels (6), the box (2) is provided with a locking mechanism (7), the support (1) is provided with a front locking position and a rear locking position, the locking mechanism (7) is used to lock the sliding sleeve (5) to the front locking position when the sliding sleeve (5) slides to the preset position at the front end of the support (1), and to lock the sliding sleeve (5) to the rear locking position when the sliding sleeve (5) slides to the preset position at the rear end of the support (1).

2. The manually adjustable skateboard luggage as claimed in claim 1, characterized in that: The front locking position is provided with a front locking hole (8), and the rear locking position is provided with a rear locking hole (9).

3. The manually adjustable skateboard luggage as claimed in claim 2, characterized in that: The locking mechanism (7) is arranged on the front side of the box body (2).

4. The manually adjustable skateboard luggage as claimed in claim 2, characterized in that: An inner shell (20) is provided on the inner wall of the box body (2). The locking mechanism (7) comprises a latch (70), a slider (71) and a spring (72). The latch (70) and the spring (72) are both provided in the inner shell (20). The end of the latch (70) is aligned with a line connecting the front locking hole (8) and the rear locking hole (9). The spring (72) is used to apply elastic force to the latch (70) so that the latch (70) is inserted into the front locking hole (8) or the rear locking hole (9). The slider (71) is slidably matched with the outer wall of the inner shell (20), and the slider (71) is used to drive the latch (70) to telescopically move relative to the inner shell (20).

5. The manually adjustable skateboard luggage as claimed in claim 4, characterized in that: An inner recess (21) is formed at the bottom of the box body (2), and the sliding sleeve (5) is fixed to the inner side of the inner recess (21).

6. The manually adjustable skateboard luggage as claimed in claim 5, characterized in that: A through hole through which the latch pin (70) can pass is provided on the side wall of the inner recess (21).

7. The manually adjustable skateboard luggage as claimed in claim 5, characterized in that: The inner shell (20) and the inner recess (21) are integrally formed.

8. The manually adjustable skateboard luggage as claimed in claim 7, characterized in that: Two snap rings (74) are formed on the outer side wall of the latch pin (70), an annular snap groove (75) is formed between the two snap rings (74), the slider (71) comprises two support arms (76) extending into the inner shell (20), the latch pin (70) is inserted between the two support arms (76), and the support arms (76) are snapped into the annular snap groove (75).

9. The manually adjustable skateboard luggage as claimed in claim 8, characterized in that: A cover plate (73) is provided at one end of the inner shell (20) away from the inner recess (21); the spring (72) is sleeved on the outside of the latch (70); and the spring (72) is sandwiched between the cover plate (73) and the snap ring (74).

10. The manually adjustable skateboard luggage as claimed in claim 1, characterized in that: The front wheel (4) is an electric wheel, the rear wheel (6) is a driven wheel, and an operating handle (30) for controlling the operation of the front wheel (4) is provided on the armrest (3).

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