CN218898657U

CN218898657U - Draw-bar box with stable wheelset structure

Info

Publication number: CN218898657U
Application number: CN202320054765.8U
Authority: CN
Inventors: 耿涛
Original assignee: Heyuan Zhengmao Luggage Co ltd
Current assignee: Heyuan Zhengmao Luggage Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-04-25
Anticipated expiration: 2033-01-09

Abstract

The utility model relates to the technical field of draw-bar boxes and discloses a draw-bar box with a stable wheelset structure, which comprises a protective shell, wherein one end of the protective shell is connected with a sealing cover through a hinge, positioning grooves for installation are formed in two sides of the outer surface of the protective shell, a protective positioning ring is fixedly connected to the inner side wall of the positioning groove, a supportable positioning shaft is inserted into the inner side wall of the positioning ring, a supportable compression spring is fixedly connected to the outer surface of the positioning shaft, and a rotatable supporting frame is sleeved on the outer surface of the positioning shaft. This draw-bar box with stable wheelset structure sets up through the cooperation of holding ring and locating shaft, can provide the floating space of small circle for the locating shaft, consequently can adjust the angle of locating shaft and support frame according to the user demand, through compression spring's setting, can make the gyro wheel float from top to bottom when meetting the pothole road surface with compression spring's elasticity to reduce vibrations, promote the holistic trafficability characteristic of device.

Description

Draw-bar box with stable wheelset structure

Technical Field

The utility model relates to the technical field of draw-bar boxes, in particular to a draw-bar box with a stable wheel group structure.

Background

Nowadays, various draw-bar boxes appear on the market, the appearance of the draw-bar boxes provides great convenience for people to carry personal belongings when going out, the wheel group structure is additionally arranged at the bottom of the draw-bar box, and a user can drag the suitcase, so that the burden of going out is greatly reduced, the walking is more convenient and easier, and a lot of physical strength is saved.

Chinese patent publication No. CN209931721U discloses a draw-bar box with stable wheelset structure, relates to draw-bar box technical field, the bottom left and right sides of box all is provided with holds the chamber, holds the intracavity and is provided with stable wheelset, connect through the pivot between the stable wheelset, the middle part of pivot is provided with gear one, is provided with the axis of rotation between the front and back side inner wall of recess, the outer wall of axis of rotation is provided with gear two, be connected through the chain between gear two and the gear one, the gear three has been cup jointed to the outer wall of axis of rotation, the front side middle part of box is provided with the rack through the fixing base is vertical, the rack is connected with gear three meshing, the front side top of box is provided with the fixed frame, bottom opposite face one side of pull rod all is provided with the push rod with horizontal pole assorted, be connected through the rope between push rod and the horizontal pole, two sets of gyro wheels are grounded when placing to this draw-bar box, and safe and stable, be difficult for empting, when pulling, the universal wheel is grounded, be convenient for pull.

However, when the utility model is actually used, the following problems exist:

1. the whole structure of the device is too complex, and the feet and the legs of a user are easily affected in the pulling process of the user, so that the device is inconvenient to use;

2. the existing trolley case is usually provided with two wheels which are in contact with the ground when being pulled, so that the whole trolley case is not good in passing performance, and a user is still required to lift the suitcase for use in some cases.

Disclosure of Invention

(one) solving the technical problems

In order to overcome the defects in the prior art, the utility model provides a draw-bar box with a stable wheel group structure, which solves the problems in the prior art that:

2. the existing trolley case is usually provided with two wheels which are in contact with the ground when being pulled, so that the whole trolley case is not good in passing performance, and sometimes the problem that a user lifts the suitcase for use is still required.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a draw-bar box with stable wheelset structure, has sealed lid including one end through hinged joint's protective housing, the constant head tank that can supply to install has all been seted up to the both sides of protective housing surface, the inside wall fixedly connected with of constant head tank can protect the holding ring, the inside wall grafting of holding ring has the location axle that can support, the surface fixedly connected with compression spring that can support of location axle, rotatable support frame has been cup jointed to the surface of location axle, rotatable gyro wheel has been fixedly installed to the bottom of support frame, the spacing groove that can protect has been seted up to the bottom of protective housing.

Optionally, the mounting groove that can supply the installation is all offered to the surface of protective housing and sealed lid, the inner wall fixedly connected with of mounting groove can protect the dog.

Optionally, peg graft at the top of protective housing has the pull rod that can stimulate, one side of protective housing and the opposite side of sealed lid are all fixedly connected with sealable sealing strip.

Optionally, one side fixedly connected with of protective housing surface can taut elastic band, the bottom fixedly connected with of elastic band can accomodate the storage bag.

Optionally, one end of the outer surface of the positioning shaft is sleeved with a limiting ring capable of limiting, and one end of the limiting ring abuts against the inner wall of the positioning groove.

Optionally, the bottom fixedly connected with of sealed lid can support the supporting leg, but the bottom fixedly connected with of supporting leg antiskid pad.

(III) beneficial effects

The utility model provides a draw-bar box with a stable wheelset structure, which has the following beneficial effects:

1. this draw-bar box with stable wheelset structure sets up through the cooperation of holding ring and locating shaft, can provide the floating space of small circle for the locating shaft, consequently can adjust the angle of locating shaft and support frame according to the user demand, through compression spring's setting, can make the gyro wheel float from top to bottom when meetting the pothole road surface with compression spring's elasticity to reduce vibrations, promote the holistic trafficability characteristic of device.

2. This draw-bar box with stable wheelset structure sets up through the cooperation of support frame and gyro wheel, can make the support frame rotate according to the angle of protective housing at the in-process of the device pulling to guarantee four gyro wheels simultaneously and ground contact all the time, thereby guarantee the stationarity of the device when the pulling, and also can raise the height between protective housing and the ground, thereby make the device can pass comparatively the pavement of pothole.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the mounting structure of the retaining ring of the present utility model;

fig. 3 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

In the figure: 1. a protective shell; 2. sealing cover; 3. a stop block; 4. a pull rod; 5. a sealing strip; 6. an elastic band; 7. a storage bag; 8. a positioning groove; 9. a positioning ring; 10. positioning a shaft; 11. a compression spring; 12. a limiting ring; 13. a support frame; 14. a roller; 15. and a limit groove.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 1 to 3, a draw-bar box with a stable wheelset structure comprises a protective shell 1, wherein one end of the protective shell is connected with a sealing cover 2 through a hinge, mounting grooves for mounting are formed in the outer surfaces of the protective shell 1 and the sealing cover 2, a protective stop block 3 is fixedly connected to the inner wall of each mounting groove, a pull rod 4 capable of being pulled is inserted into the top of the protective shell 1, sealing strips 5 capable of being sealed are fixedly connected to one side of the protective shell 1 and the other side of the sealing cover 2, an elastic belt 6 capable of being tensioned is fixedly connected to one side of the outer surface of the protective shell 1, and a storage bag 7 capable of being stored is fixedly connected to the bottom of the elastic belt 6;

through the cooperation setting of mounting groove and dog 3, can be when opening the device or closing, the corner of device is protected to reduce the wearing and tearing that the whole of device produced, through the setting of pull rod 4, can very convenient to use person pulls this author, through setting up of sealing strip 5, can guarantee the leakproofness between protective housing 1 and the sealed lid 2, protect inside luggage, through the cooperation setting of elastic band 6 and storage bag 7, can deposit the article that uses temporarily, more convenient to use person takes and uses;

embodiment two:

in order to reduce vibration generated by the device during pulling, positioning grooves 8 for installation are formed in two sides of the outer surface of the protective shell 1, a positioning ring 9 capable of being protected is fixedly connected to the inner side wall of the positioning groove 8, a positioning shaft 10 capable of being supported is inserted into the inner side wall of the positioning ring 9, a compression spring 11 capable of being supported is fixedly connected to the outer surface of the positioning shaft 10, a limiting ring 12 capable of being limited is sleeved at one end of the outer surface of the positioning shaft 10, and one end of the limiting ring 12 abuts against the inner wall of the positioning groove 8;

the positioning shaft 10 can be positioned in the middle of the positioning ring 9 through the arrangement of the compression spring 11, so that when the device passes through a hollow road surface, the impact force can be counteracted by means of the elasticity of the compression spring 11, and meanwhile, the influence of the impact force on the device can be reduced, and further, the generation of vibration is reduced;

embodiment III:

in order to improve the trafficability of the device, a rotatable supporting frame 13 is sleeved on the outer surface of a positioning shaft 10, a rotatable roller 14 is fixedly arranged at the bottom of the supporting frame 13, a protectable limit groove 15 is formed in the bottom of a protective shell 1, supportable supporting legs are fixedly connected to the bottom of a sealing cover 2, and anti-skid pads are fixedly connected to the bottoms of the supporting legs;

through the setting of support frame 13, can guarantee that four gyro wheels 14 contact with ground simultaneously to when the user pulls the device, still can guarantee that four gyro wheels 14 contact with ground, thereby promote the trafficability characteristic of the device.

In the utility model, the working steps of the device are as follows:

firstly, the sealing cover 2 is opened, the used luggage can be put into the protective shell 1 and the sealing cover 2, then the sealing cover 2 is closed, the pull rod 4 is pulled outwards, the device can be pulled to move, and the supporting frame 13 can rotate according to the difference of the inclination angles of the protective shell 1, so that the four rollers 14 are ensured to be in contact with the ground at the same time, and the overall trafficability of the device is ensured.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Draw-bar box with stable wheelset structure, including one end has protective housing (1) of sealed lid (2) through hinged joint, its characterized in that: the utility model discloses a protective housing, including support frame (13), rotatable gyro wheel (14) have been seted up to the both sides of protective housing (1) surface, inside wall fixedly connected with of constant head tank (8) can protect holding ring (9), the inside wall grafting of holding ring (9) has location axle (10) that can support, the surface fixedly connected with compression spring (11) that can support of location axle (10), rotatable support frame (13) have been cup jointed to the surface of location axle (10), rotatable gyro wheel (14) have been fixedly installed to the bottom of support frame (13), but spacing groove (15) that can protect have been seted up to the bottom of protective housing (1).

2. A trolley case with a stable wheelset structure as claimed in claim 1, wherein: the outer surfaces of the protective shell (1) and the sealing cover (2) are provided with mounting grooves for mounting, and the inner walls of the mounting grooves are fixedly connected with a protective stop block (3).

3. A trolley case with a stable wheelset structure as claimed in claim 1, wherein: the top of protective housing (1) peg graft have pull rod (4) that can stimulate, one side of protective housing (1) and the opposite side of sealed lid (2) are all fixedly connected with sealing strip (5) that can seal.

4. A trolley case with a stable wheelset structure as claimed in claim 1, wherein: one side of the outer surface of the protective shell (1) is fixedly connected with an elastic band (6) which can be tensioned, and the bottom of the elastic band (6) is fixedly connected with a containing bag (7) which can be contained.

5. A trolley case with a stable wheelset structure as claimed in claim 1, wherein: one end of the outer surface of the positioning shaft (10) is sleeved with a limiting ring (12) capable of limiting, and one end of the limiting ring (12) abuts against the inner wall of the positioning groove (8).

6. A trolley case with a stable wheelset structure as claimed in claim 1, wherein: the bottom of the sealing cover (2) is fixedly connected with supporting legs which can be supported, and the bottom of the supporting legs is fixedly connected with anti-skid pads which can be used for skid prevention.