Sitting type draw-bar box

Abstract

The utility model discloses a sitting type draw-bar box which comprises a frame and a box body, the frame comprises a rear wheel supporting mechanism and a front wheel support assembly, and the box body is arranged on the rear wheel supporting mechanism; the rear wheel supporting mechanism comprises a supporting frame seat and a rear wheel support assembly connected with the supporting frame seat, a seat plate is arranged on the supporting frame seat, a rotary connecting part is arranged at one end, connected with the rear wheel support assembly, of the supporting frame seat, and the rotary connecting part is rotationally connected with the rotary end of the front wheel support assembly; a change-over switch is arranged on the rotating connecting part, a clamping sliding groove is formed in the rotating end of the front wheel support assembly, and a switch shaft of the change-over switch is embedded in the clamping sliding groove and can move to different locking points in the sliding way direction of the clamping sliding groove. The whole driving state switching structure is simple, small in number, low in cost, small in production and machining difficulty and high in practicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to trolley case technical field especially, it relates to a sitting trolley case. BACKGROUND

[0002] The luggage, also called as the travel case, trolley case is the box that is carried to place articles when going out, it is one of the types of luggage, the luggage is used to place the clothes, personal care supplies and souvenirs needed on the journey, the traditional luggage only has the function of carrying luggage, when people go out and carry children, it is very inconvenient, sometimes have to carry a folding car for children, bring inconvenience to people's travel.

[0003] For this, the multifunctional sitting trolley case appears on the market to replace general luggage, for example, the multifunctional sitting trolley case of application No. The switching mechanism that the above-mentioned trolley case realizes the running state conversion includes button, pin in the seat plate, rotating disc and gear, the button is fastened with the pin in the seat plate, the button can drive the rotating disc to rotate through the pin, the inclined surface on the rotating disc extrudes the inclined surface of the gear, so that the gear moves to the side away from the seat plate, the gear is disengaged with the seat plate, the gear is all into the seat plate connecting part, the wheel support frame assembly of the corresponding side can be folded or opened, after the button is released, the gear is reset under the action of reset spring, in the folded state or open state, relative fixation is realized through the gear engagement. However, the structure of the above-mentioned running state switching mechanism is complex, the cost is high, and the production and processing difficulty is relatively large. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problem in that a sitting trolley case is provided, the whole running state switching structure is simple, the quantity is less, the cost is low, and the production and processing difficulty is small, and the practicality is high.

[0005] In order to solve the above technical problems, the utility model provides a kind of sit -type draw -bar box, including frame and box, the frame includes rear wheel support mechanism and front wheel support assembly, the rear wheel support mechanism is equipped with the box on;The rear wheel support mechanism includes support frame seat and rear wheel support assembly connected with the support frame seat, seat plate is equipped on the support frame seat, one end of the support frame seat and rear wheel support assembly connection is equipped with rotary connection part, the rotary connection part is rotatably connected with the rotary end of the front wheel support assembly;Switching switch is equipped on the rotary connection part, the rotary end of the front wheel support assembly is equipped with clamping position sliding groove, the switch shaft of the switching switch is embedded in the clamping position sliding groove, and can be moved to different lock points along the sliding direction of clamping position sliding groove;When driving the switching switch, the switch shaft can be unlocked from the current lock point, and the switch shaft is moved to the next lock point by rotating the front wheel support assembly to lock, to control the front wheel support assembly to be in the state of folding or unfolding.

[0006] As an improvement of the above scheme, a rotating shaft is penetrated in the rotary connection part, and the two ends of the rotating shaft are rotatably connected with the corresponding rotary ends of the front wheel support assembly.

[0007] As an improvement of the above scheme, a rotating piece is arranged on the side of the rotary end facing the rotary connection part, a shaft hole is arranged in the middle of the rotating piece, and the rotating shaft is connected with the rotary end by penetrating the shaft hole.

[0008] As an improvement of the above scheme, a releasing point is arranged at each end of the transition sliding groove, and the releasing point is communicated with the lock point through a clamping channel.

[0009] As an improvement of the above scheme, a plurality of fixed mounting holes are arranged on the rotating piece, and one end of a fastener is penetrated through the fixed mounting hole to be fixedly connected with the rotary end.

[0010] As an improvement of the above scheme, the switching switch comprises a reset switch and a switch shaft, an installation groove is arranged on the rotary connection part, and the reset switch is installed in the installation groove;A through hole is arranged at each end of the installation groove, and a stroke channel is arranged in the through hole;The switch shaft is arranged in the reset switch, and the two ends of the switch shaft are penetrated through the through hole and inserted into the corresponding clamping position sliding groove;When the reset switch is driven or reset, the switch shaft can be moved in the stroke channel.

[0011] As an improvement of the above scheme, the reset switch comprises a button and a reset spring, and the two ends of the reset spring are abutted with one end of the button and the inner bottom end of the installation groove.

[0012] As an improvement of the above scheme, the box is detachably connected with the rear wheel supporting mechanism, and a lock tongue assembly is arranged on the seat plate, and the rear wheel supporting mechanism can be separated from the box by pulling the lock tongue assembly.

[0013] As an improvement of the above scheme, the box is detachably connected with the rear wheel supporting mechanism, and a lock tongue assembly is arranged on the seat plate, and the rear wheel supporting mechanism can be separated from the box by pulling the lock tongue assembly.

[0014] As an improvement of the above scheme, the box is detachably connected with the rear wheel supporting mechanism, and a lock tongue assembly is arranged on the seat plate, and the rear wheel supporting mechanism can be separated from the box by pulling the lock tongue assembly.

[0015] The beneficial effects of the present application are as follows:

[0016] The present application can control the front wheel support assembly to be in a folded or unfolded state by switching the switch and the adaptive use of the clamping sliding groove, so that the driving state conversion of the traditional pull box and the cart is realized, the overall driving state switching structure is simple, the number is small, the cost is low, the production and processing difficulty is small, and the practicality is high.

[0017] The utility model discloses a rotatable connection part is equipped on one end of the support frame seat and rear wheel support component connection, and the rotatable connection part is rotatory with the rotatory end of the front wheel support component, be equipped with the switch on the rotatable connection part, and the rotatory end of the front wheel support component is equipped with the clamping position sliding slot, and the switch axle of switch is embedded in the clamping position sliding slot, and can along the slide direction of clamping position sliding slot and remove to different lock point, when driving the switch, the switch axle can be unlocked from the current lock point, and through the rotatory front wheel support component makes the switch axle remove to the next lock point and lock, thereby control the front wheel support component is in the folding or unfolded state, and then realize the driving state conversion of traditional pull box and cart, and the whole structure is simple. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the structure schematic diagram of the utility model seat type pull box;

[0019] Fig. 2 It is the structure schematic diagram of the utility model's frame and box body;

[0020] Fig. 3 It is the structure schematic diagram of the utility model's front wheel support component and support frame seat;

[0021] Fig. 4 It is the structure schematic diagram of the utility model's rotatable connection part and rotary piece;

[0022] Fig. 5 It is the structure schematic diagram of the utility model's lock tongue assembly, support frame seat and box body. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantage of the utility model more clearly, below will combine the utility model with further detailed description of the drawing.

[0024] As Figs. 1 to 4 The utility model discloses a seat type pull box, including frame 1 and box body 2, the frame 1 includes rear wheel support mechanism 3 and front wheel support component 4, be equipped with the box body 2 on the rear wheel support mechanism 3;The rear wheel support mechanism 3 includes support frame seat 31 and with the support frame seat 31 connects rear wheel support component 32, be equipped with seat plate 5 on the support frame seat 31, for the baby to ride.

[0025] The support seat 31 is provided with a rotating connecting part 33 at one end connected with the rear wheel support assembly 32, the rotating connecting part 33 is rotatably connected with the rotating end 41 of the front wheel support assembly 4, the rotating connecting part 33 is provided with a switch 34, the rotating end 41 of the front wheel support assembly 4 is provided with a clamping sliding groove 42, the switch shaft 341 of the switch 34 is embedded in the clamping sliding groove 42 and can be moved to different locking points 421 along the sliding direction of the clamping sliding groove 42, when the switch 34 is driven, the switch shaft 341 can be unlocked from the current locking point 421 and moved to the next locking point 421 by rotating the front wheel support assembly 4 to be locked, so as to control the front wheel support assembly 4 to be in a folded or unfolded state, and the driving state of the traditional pull box and the trolley is converted, compared with the prior art, the overall structure is simpler, the number of structures involved is less, the cost is lower, the production and processing difficulty is smaller, and the practicality is higher.

[0026] Wherein, the lower two sides of the front wheel support assembly 4 and the rear wheel support assembly 32 are respectively provided with sliding wheels 6 to realize sliding function. The sliding wheels 6 of the front wheel support assembly 4 are provided with adaptive foot pedals 9, when the pull rod box is in the driving state of the trolley, the user can stop the sliding wheel of the front wheel support assembly by stepping on the foot pedal 9, so as to prevent the pull rod box in the unfolded state from sliding and ensure the use stability of the pull rod box.

[0027] Specifically, the rotating shaft 35 is penetrated in the rotating connecting part 33, the two ends of the rotating shaft 35 are respectively rotatably connected with the corresponding rotating end 41 of the front wheel support assembly 4, so as to realize the relative rotation of the front wheel support assembly 4 and the rear wheel support mechanism 3, make the front wheel support assembly 4 can be in a folded or unfolded state, and then realize the driving state conversion of the traditional pull box and the trolley, meet the actual use requirement of the user.

[0028] The rotating end 41 is provided with a rotating piece 43 on the side facing the rotating connecting part 33, the rotating piece 43 is provided with an axis hole 44 in the middle part, the rotating shaft 35 passes through the axis hole 44 and is connected with the rotating end 41; the rotating piece 43 is provided with a clamping position sliding groove 42, the clamping position sliding groove 42 is located on the side of the axis hole 44, the clamping position sliding groove 42 is provided with a transition sliding way 422 around the axis hole 44, and the transition sliding way 422 is provided with a locking position 421 at two ends respectively. When the driving switch 34 is driven, the switch shaft 341 can be unlocked from the current locking position 421, at this time, in the process of rotating the front wheel support assembly 4, the switch shaft 341 will move along the transition sliding way 422, so that the front wheel support assembly 4 can rotate around the rotating shaft 35 by a corresponding angle, when moving to the next locking position 421 for locking, the front wheel support assembly 4 will be switched from the previous driving state to the next driving state, such as from the folding state to the unfolding state or from the unfolding state to the folding state, so that the driving state of the traditional pull box and the trolley can be switched back and forth.

[0029] Wherein, the two ends of the transition sliding way 422 are respectively provided with a release position 423, and the release position 423 is communicated with the locking position 421 through a clamping position channel 424. The length of the clamping position channel 424 is the driving stroke of the switch 34, and in the driving stroke, the front wheel support assembly 4 remains in a relatively fixed state, avoiding affecting the normal use of the current state of the pull rod box due to easy triggering or misoperation of driving state switching, and ensuring the safety and reliability of use.

[0030] Preferably, the rotating piece 43 is provided with a plurality of fixed mounting holes 45, one end of the mounting fastener 46 passes through the fixed mounting hole 45 and is fixedly connected with the rotating end 41, so that the rotating piece 43 is fixed on the rotating end 41 of the front wheel support assembly 4, and the installation firmness is improved. Wherein, the mounting fastener 46 is preferably a bolt, but is not limited thereto.

[0031] As Figs. 1 to 4As shown, the switch 34 includes a reset switch 342 and the switch shaft 341, the rotating connection part 33 is provided with a mounting groove 331, the reset switch 342 is mounted in the mounting groove 331; both ends of the mounting groove 331 are provided with through holes 332, and the through holes 332 are provided with stroke channels, the length of the stroke channels is the driving stroke of the switch 34, and also the length of the clamping channels 424. The switch shaft 341 is arranged in the reset switch 342, both ends of the switch shaft 341 pass through the through holes 332 and are inserted into the corresponding clamping sliding grooves 42; when the reset switch 342 is driven, the switch shaft 341 can be moved in the stroke channel, and is also synchronously moved in any clamping channel 424 until the switch shaft 341 moves to the unlocking point 423 of the transition sliding track 422, the unlocking function is realized, then the switch shaft 341 moves to the next unlocking point 423 through the transition sliding track 422, at this time, after the reset switch 342 is reset, the switch shaft 341 is driven to gradually move to the other locking point 421 through the other clamping channel 424, the switching of the other driving state is realized; during the movement of the switch shaft 341 in the other clamping channel 424, the front wheel support assembly 4 is gradually fixed on the rear wheel support mechanism 3, and the structure is firm.

[0032] Preferably, the reset switch 342 includes a button 343 and a reset spring, both ends of the reset spring are in abutment with one end of the button 343 and the inner bottom end of the mounting groove 331, so that the driving and reset functions of the button 343 are realized, thereby controlling the driving state switching of the trolley case.

[0033] As shown in the drawings, Figs. 1 to 5 As shown, the case 2 is detachably connected with the rear wheel support mechanism 3 and is used for containing travel articles. The seat plate 5 is provided with a lock tongue assembly 7, the rear wheel support mechanism 3 can be separated from the case 2 by pulling the lock tongue assembly 7, and when the lock tongue assembly 7 is reset, the rear wheel support mechanism 3 and the case 2 can be clamped and fixed. The combination of the case 2 and the frame 1 can be more stable in the fixed or separated mode, the stability and safety in use are improved, and the structure of the lock tongue assembly 7 is simple and the operation is also simple.

[0034] Preferably, the upper end of the housing 2 is provided with a locking groove 21, and the lower end of the housing 2 is provided with a U-shaped notch 22 for the lower crossbar 321 of the rear wheel bracket assembly 32 to be inserted; the seat plate 5 is provided with a locking tongue groove 51, and the support frame 31 is provided with an opening 311 corresponding to the locking tongue groove 51. Spring placement grooves 312 are provided on both sides of the opening 311, and the opening of the spring placement groove 312 faces the locking groove 21; the locking tongue assembly 7 includes a locking tongue component 71, a pin 72, a spring, and a locking block 73, and the locking tongue component 71 is installed on the lock In the tongue groove 51, one end of the locking tongue component 71 is provided with the pin 72. The pin 72 passes through the bottom of the locking tongue groove 51 and is connected to the locking block 73. The locking block 73 is provided in the through opening 311. One end of the locking block 73 is provided with a locking protrusion 731. The locking protrusion 731 is engaged with the locking groove 21. Spring limiting plates 732 are provided on both sides of the locking block 73. The spring is provided in the spring placement groove 312. The two ends of the spring abut against the spring placement groove 312 and the spring limiting plate 732, respectively. When the locking tongue component 71 is pulled, the locking block 73 will move upward, the spring will be compressed, and the locking protrusion 731 will separate from the locking groove 21. At this time, the housing 2 can be disassembled from the rear wheel support mechanism 3 or the frame 1. When the housing 2 needs to be re-locked, insert the lower crossbar 321 at the lower end of the rear wheel bracket assembly 32 into the U-shaped notch 22 and rotate the housing 2 so that the locking protrusion 731 is aligned with the locking groove 21 on the housing 2. By pulling the locking tongue component 71 to avoid the locking protrusion 731 and after the spring returns to its original position, the locking protrusion 731 can be engaged and fixed with the locking groove 21, thus realizing the locking and fixing of the housing 2 and the frame 1.

[0035] Furthermore, the side of the card protrusion 731 that is inserted into the card slot groove 21 is provided with an inclined guide surface 733. When the guide surface 733 is squeezed by the housing 2, it can directly lift the card protrusion 731 and compress the spring, gradually causing the housing 2 to reach the locking position of the frame 1. At this time, after the spring returns to its original position, the card protrusion 731 and the card slot groove 21 continue to engage and fix.

[0036] Preferably, such as Figs. 1 to 2 As shown, the support frame 31 is also provided with a telescopic rod assembly 8. One end of the telescopic rod assembly 8 is provided with a pull rod 81, and the other end is embedded in the tube groove of the rear wheel bracket assembly 32 through the connection port 313 of the support frame 31. The telescopic rod assembly 8 and the pull rod 81 are provided to facilitate pushing and pulling, thus improving the ease of use.

[0037] The utility model discloses can through the switch shaft and the card position sliding slot's adaptation use of switch -over switch to control the front wheel support component is in the folding or unfolding state to traditional pull box and the running state conversion of cart are realized, and the whole running state switching structure is simple, and the quantity is few, and the cost is low and the production processing difficulty is small, and the practicality is high.

[0038] The above is the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled person in the art, without departing from the principle of the utility model, a number of improvements and refinements can be made, and these improvements and refinements are also considered as the protection scope of the utility model.

Claims

1. A seatable trolley case characterized by, The utility model provides a kind of bicycle, including frame and box, the frame includes rear wheel support mechanism and front wheel support component, the rear wheel support mechanism is equipped with the box on it; The rear wheel support mechanism includes support frame seat and rear wheel support component connected with the support frame seat, the support frame seat is equipped with seat plate, the end of the support frame seat and rear wheel support component connection is equipped with rotating connection part, the rotating connection part is connected with the rotating end of the front wheel support component; The rotating connection part is equipped with switch, and the rotating end of the front wheel support component is equipped with clamping position sliding groove, the switch shaft of the switch is embedded in the clamping position sliding groove and can be moved to different locking points along the sliding direction of clamping position sliding groove; When the switch is driven, the switch shaft can be unlocked from the current locking point, and the switch shaft is moved to the next locking point by rotating the front wheel support component to be locked, so as to control the front wheel support component to be in the state of folding or unfolding.

2. The seatable carry-on suitcase of claim 1, wherein, The rotating shaft is penetrated in the rotating connection part, and the two ends of the rotating shaft are respectively connected with the rotating end of the corresponding front wheel support component.

3. The seatable duffel of claim 2, wherein, The side of the rotating end facing the rotating connection part is provided with a rotating piece, and the middle part of the rotating piece is provided with an axis hole, and the rotating shaft passes through the axis hole and is connected with the rotating end. The rotating piece is provided with a clamping position sliding groove, which is located on one side of the axis hole, and a transition sliding groove is provided around the axis hole in the clamping position sliding groove. The two ends of the transition sliding groove are respectively provided with locking points.

4. The seatable duffel of claim 3, wherein, The two ends of the transition sliding groove are respectively provided with unlocking points, and the unlocking points are communicated with the locking points through the clamping position channel.

5. The seatable carry-on suitcase of claim 3, wherein, A plurality of fixed mounting holes are provided on the rotating piece, and one end of the mounting fastener passes through the fixed mounting hole and is fixedly connected with the rotating end.

6. The seatable carry-on suitcase of any one of claims 1 to 5, wherein, The switch includes a reset switch and a switch shaft, and the rotating connection part is provided with a mounting groove, and the reset switch is mounted in the mounting groove. The two ends of the mounting groove are respectively provided with through holes, and a stroke channel is provided in the through hole. The switch shaft is arranged in the reset switch, and the two ends of the switch shaft pass through the through hole and are inserted into the corresponding clamping position sliding groove. When the reset switch is driven or reset, the switch shaft can be moved in the stroke channel.

7. The seatable duffel of claim 6, wherein, The reset switch includes a button and a reset spring, and the two ends of the reset spring are respectively abutted with one end of the button and the inner bottom end of the mounting groove.

8. The seatable carry-on suitcase of claim 1, wherein, The box is detachably connected with the rear wheel support mechanism, the lock tongue assembly is mounted on the seat plate, and the rear wheel support mechanism and the box can be separated by pulling the lock tongue assembly.

9. The seatable duffel of claim 8, wherein, The upper end of the box is provided with a clamping recess, and the lower end of the box is provided with a U-shaped notch for inserting the lower cross bar at the lower end of the rear wheel support component. The seat plate is provided with a lock tongue groove, and the support frame seat is provided with a through hole corresponding to the lock tongue groove. Spring placing grooves are provided on both sides of the through hole, and the groove opening of the spring placing groove faces the clamping recess. The lock tongue assembly comprises a lock tongue part, a pin shaft, a spring and a catch block, one end of the lock tongue part is provided with the pin shaft, the pin shaft passes through the bottom of the lock tongue slot and is connected with the catch block, the catch block is arranged in the through opening, one end of the catch block is provided with a clamping convex part, and the clamping convex part is clamped and connected with the catch recess; Both sides of the catch block are respectively provided with spring limiting plates, the spring is arranged in the spring placing groove, and both ends of the spring are respectively abutted with the spring placing groove and the spring limiting plates.

10. The seatable carry-on suitcase of claim 1, wherein, The support frame seat is further provided with a telescopic rod assembly, one end of the telescopic rod assembly is provided with a pull rod, and the other end is embedded in the pipe groove of the rear wheel support assembly through the connecting port of the support frame seat; Both sides of the lower part of the front wheel support assembly and the rear wheel support assembly are respectively provided with sliding wheels, and the sliding wheels of the front wheel support assembly or the rear wheel support assembly are provided with matched foot pedals.

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