CN219537667U - Caster locking structure of draw-bar box - Google Patents

Abstract

The utility model relates to a trolley case trundle locking structure which comprises a case body, wherein one side of the case body is hinged with a secondary case body, the bottom end of the secondary case body is fixedly connected with a first roller, one side of the case body is fixedly connected with a drawing groove, the top end of the drawing groove is provided with a pushing groove, and the inner side of the pushing groove is connected with a pushing button in a sliding manner. According to the utility model, through the arrangement of the push button and the clamping block, the push button is fixed through pressing the Niu Di two rollers, at the moment, the push button is fixed under the action of the third spring, the box body is fixed, when the box body needs to be moved, the clamping block is pushed to be separated from the contact clamping groove, the first spring drives the brake block to slide upwards, the brake block is separated from the top end of the second roller, at the moment, the box body can be moved, and meanwhile, when the pull rod does not extend, the push button is pressed, the push button can be further pressed, the second roller is further locked, the convenience of operation is improved, and through the structure, the operation of a user is facilitated, the box body is conveniently locked or unlocked, and the operation is convenient.

Description

Caster locking structure of draw-bar box

Technical Field

The utility model relates to the field of draw-bar boxes, in particular to a castor locking structure of a draw-bar box.

Background

The draw-bar box is a suitcase with a draw-bar body and rollers, is convenient to use and widely used, and meanwhile, the draw-bar box is also provided with a single-tube draw-bar body and a double-tube draw-bar body, and the tubes of the draw-bar body are also provided with square tubes and round tubes, so that the suitcase is convenient to walk and is towed, and the burden is greatly reduced.

According to the bulletin No. CN 212590781U, the utility model discloses a locking device of a trolley case trundle, which solves the problem that the existing trolley case trundle is easy to rotate by arranging a trolley case body, a handle, an equipment box, an adjusting box, a moving wheel, a limiting plate, a motor, a threaded rod, a thread bush, a limiting wheel, a limiting box, a limiting rod, a moving block, a moving rod and a spring.

But present draw-bar box truckle does not have locking structure generally, and foretell locking structure, needs the motor operation to lock to die, and the structure is loaded down with trivial details, and the fault rate is high and difficult operation, and simultaneously bulky mass is heavy, and the practicality is extremely poor, can't convenient operation carry out convenient to lock to die fixedly to the draw-bar box.

Disclosure of Invention

The utility model provides a trolley case trundle locking structure for solving the problems in the prior art.

In order to solve the technical problems, the utility model is realized by the following technical scheme: the utility model provides a draw-bar box truckle locking structure, includes the box, one side of box articulates there is vice box, the first gyro wheel of bottom fixedly connected with of vice box, one side fixedly connected with pull groove of box, the top of pull groove is equipped with the push groove, the inboard sliding connection of push groove has the push button, one side of push button is equipped with the draw-in groove, the bottom fixedly connected with connecting rod of push button, one side of pull groove is equipped with the second spout, the inner wall fixedly connected with third spring of second spout, the inner wall sliding connection of second spout has the fixture block, the outer wall of fixture block and the inner wall assorted of draw-in groove, one side and the third spring fixed connection of fixture block, the bottom of pull groove is equipped with spacing spout, the inner wall sliding connection of spacing spout has spacing slide, spacing slide and connecting rod fixed connection.

Preferably, a coded lock is fixedly connected to one side of the box body, a drawing hole is formed in the top end of the drawing groove, and a pull rod is slidably connected to the inner wall of the drawing hole.

Preferably, the button is installed on the top of pull rod, the inner wall fixedly connected with first spring of spacing spout, the top of first spring and the bottom fixed connection of spacing slide.

Preferably, the bottom fixedly connected with push rod of spacing slide, the bottom fixedly connected with link of pull groove, the inboard of link is equipped with the spacing groove.

Preferably, a first sliding groove is formed in the bottom end of the inner wall of the connecting frame, the inner wall of the limiting groove is matched with the outer wall of the push rod, and a brake block is slidably connected to the inner wall of the first sliding groove.

Preferably, the brake block is fixedly connected with the push rod, the second roller is rotationally connected with the bottom end of the inner side of the connecting frame, and a sliding groove is formed in the inner side of the pull rod.

Preferably, the inner wall fixedly connected with second spring of sliding tray, the inner wall sliding connection of sliding tray has the pressing block, the top of second spring and the outside fixed connection of pressing block.

The beneficial effects of the utility model are as follows:

according to the utility model, through the arrangement of the push button and the clamping block, the two rollers are fixed through pressing the push Niu Di, at the moment, the clamping block is pushed to be clamped into the inner wall of the clamping groove under the action of the third spring, the position of the push button is fixed, the second roller is further locked, the box body is fixed, when the box body needs to be moved, the clamping block is pushed to be separated from the contact clamping groove, the brake block is driven to slide upwards under the action of the first spring, the top end of the second roller is separated from contact, the box body can be moved at the moment, meanwhile, when the pull rod does not extend, the push button is further pressed through pressing the pressing block, the second roller is further locked, the convenience of operation is improved, through the structure, the operation of a user is facilitated, the box body is conveniently locked or unlocked, and the operation is convenient.

Drawings

Fig. 1 is a schematic view of the overall structure of the present utility model.

Fig. 2 is a schematic view of the overall inside structure of the present utility model.

Fig. 3 is a schematic view of the pull rod mechanism of the present utility model.

Fig. 4 is a schematic cross-sectional view of a second roller connection structure according to the present utility model.

Fig. 5 is a schematic diagram of the structure of fig. 3 a according to the present utility model.

Fig. 6 is a schematic diagram of the structure of fig. 3B in accordance with the present utility model.

In fig. 1-6: 1. a case; 2. a first roller; 3. an auxiliary box body; 4. a coded lock; 5. a drawing groove; 6. a pull rod; 7. a button; 8. a drawing hole; 9. pushing grooves; 10. a push button; 11. limiting sliding grooves; 12. a limit sliding plate; 13. a connecting frame; 14. a second roller; 15. a push rod; 16. a first spring; 17. a limit groove; 18. a brake pad; 19. a first chute; 20. a sliding groove; 21. pressing the blocks; 22. a second spring; 23. a clamping groove; 24. a connecting rod; 25. a second chute; 26. a third spring; 27. and (5) clamping blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

1-6, a draw-bar box truckle locking structure comprises a box body 1, one side of the box body 1 is hinged with a secondary box body 3, the bottom end of the secondary box body 3 is fixedly connected with a first idler wheel 2, one side of the box body 1 is fixedly connected with a pull groove 5, the top end of the pull groove 5 is provided with a push groove 9, the inner side of the push groove 9 is slidingly connected with a push button 10, one side of the push button 10 is provided with a clamping groove 23, the bottom end of the push button 10 is fixedly connected with a connecting rod 24, one side of the pull groove 5 is provided with a second chute 25, the inner wall of the second chute 25 is fixedly connected with a third spring 26, the inner wall of the second chute 25 is slidingly connected with a clamping block 27, the outer wall of the clamping block 27 is matched with the inner wall of the clamping groove 23, one side of the clamping block 27 is fixedly connected with the third spring 26, the bottom end of the pull groove 5 is provided with a limit chute 11, the inner wall of the limit chute 11 is slidingly connected with a limit slide plate 12, the limit slide plate 12 is fixedly connected with the connecting rod 24, when in use, the box body 1 is driven to move by the hand pull rod 6, or the box body 1 is pushed to move, when the box body 1 is required to be fixed in position, at the moment, the push button 10 is pushed to drive the limit slide plate 12 to move downwards through the connecting rod 24, the brake block 18 is further driven to slide downwards through the push rod 15 and cling to the top end of the second roller 14, the second roller 14 is fixed, at the moment, the clamping block 27 is pushed to be clamped into the inner wall of the clamping groove 23 under the action of the third spring 26, the position of the push button 10 is fixed, the second roller 14 is further locked, the box body 1 is fixed in position, when the box body 1 is required to be moved, the clamping block 27 is pushed to be separated from the contact clamping groove 23, the brake block 18 is driven to slide upwards under the action of the first spring 16 and be separated from the top end of the contact second roller 14, at the moment, the box body 1 can be moved, meanwhile, when the pull rod 6 does not extend, the push button 10 can be further pressed by pressing the pressing block 21, so that the second roller 14 is locked, and the convenience of operation is improved.

One side fixedly connected with trick lock 4 of box 1, the top of pull groove 5 is equipped with pull hole 8, the inner wall sliding connection of pull hole 8 has pull rod 6, button 7 is installed on the top of pull rod 6, the first spring 16 of inner wall fixedly connected with of spacing spout 11, the top and the bottom fixed connection of spacing slide 12 of first spring 16, the bottom fixedly connected with push rod 15 of spacing slide 12, the bottom fixedly connected with link 13 of pull groove 5, the inboard of link 13 is equipped with spacing groove 17.

The inner wall bottom of link 13 is equipped with first spout 19, the inner wall of spacing groove 17 and the outer wall phase-match of push rod 15, the inner wall sliding connection of first spout 19 has brake block 18, brake block 18 and push rod 15 fixed connection, the inboard bottom of link 13 rotates and is connected with second gyro wheel 14, the inboard of pull rod 6 is equipped with sliding tray 20, the inner wall fixedly connected with second spring 22 of sliding tray 20, the inner wall sliding connection of sliding tray 20 has press piece 21, the top of second spring 22 and the outside fixed connection of press piece 21.

In summary, the utility model has the following working principles: when the device is used, a worker drives the box body 1 to move through the hand-pulling rod 6, or pushes the box body 1 to move, when the position of the box body 1 needs to be fixed, the push button 10 drives the limit sliding plate 12 to move downwards through the connecting rod 24 at the moment, the push rod 15 further drives the brake block 18 to slide downwards, the brake block is tightly attached to the top end of the second roller 14, the second roller 14 is fixed, the clamping block 27 is pushed to be clamped into the inner wall of the clamping groove 23 under the action of the third spring 26 at the moment, the position of the push button 10 is fixed, the second roller 14 is further locked, the box body 1 is fixed, when the box body 1 needs to be moved, the clamping block 27 is pushed to be separated from the contact clamping groove 23 at the moment, the brake block 18 is driven to slide upwards under the action of the first spring 16, the top end of the second roller 14 is separated from the contact, the box body 1 can move at the moment, and meanwhile, when the pull rod 6 does not extend, the push block 21 is pressed, the push button 10 is further pressed, the second roller 14 is further, the whole is locked, the whole device is lifted, and the convenience of operation is improved.

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 (7)

1. The utility model provides a draw-bar box truckle locking structure, includes box (1), its characterized in that: one side of box (1) articulates there is vice box (3), the first gyro wheel (2) of bottom fixedly connected with of vice box (3), one side fixedly connected with draw-out groove (5) of box (1), the top of draw-out groove (5) is equipped with pushes away groove (9), the inboard sliding connection of push away groove (9) has push button (10), one side of push button (10) is equipped with draw-in groove (23), the bottom fixedly connected with connecting rod (24) of push button (10), one side of draw-out groove (5) is equipped with second spout (25), the inner wall fixedly connected with third spring (26) of second spout (25), the inner wall sliding connection of second spout (25) has fixture block (27), the outer wall of fixture block (27) and the inner wall phase-match of draw-out groove (23), one side and third spring (26) fixedly connected with of fixture block (27), the bottom of draw-out groove (5) is equipped with spacing spout (11), the inner wall sliding connection of spacing spout (11) has (12) and spacing slide (12).

2. A trolley case caster locking structure according to claim 1, wherein: one side fixedly connected with trick lock (4) of box (1), the top of pull groove (5) is equipped with pull hole (8), the inner wall sliding connection of pull hole (8) has pull rod (6).

3. A trolley case caster locking structure according to claim 2, wherein: the push button (7) is installed on the top of pull rod (6), the inner wall fixedly connected with first spring (16) of spacing spout (11), the bottom fixed connection of top and spacing slide (12) of first spring (16).

4. A trolley case caster locking structure according to claim 3, wherein: the bottom fixedly connected with push rod (15) of spacing slide (12), the bottom fixedly connected with link (13) of pull groove (5), the inboard of link (13) is equipped with spacing groove (17).

5. A trolley case caster locking structure as claimed in claim 4, wherein: the inner wall bottom of link (13) is equipped with first spout (19), the inner wall of spacing groove (17) and the outer wall phase-match of push rod (15), the inner wall sliding connection of first spout (19) has brake block (18).

6. A trolley case caster locking structure as claimed in claim 5, wherein: the brake block (18) is fixedly connected with the push rod (15), the second roller (14) is rotationally connected with the bottom end of the inner side of the connecting frame (13), and a sliding groove (20) is formed in the inner side of the pull rod (6).

7. A trolley case caster locking structure as claimed in claim 6, wherein: the inner wall fixedly connected with second spring (22) of sliding tray (20), the inner wall sliding connection of sliding tray (20) has pressing block (21), the top of second spring (22) is fixedly connected with the outside of pressing block (21).