CN216268466U

CN216268466U - Detachable truckle and draw-bar box thereof

Info

Publication number: CN216268466U
Application number: CN202122601152.5U
Authority: CN
Inventors: 沈伟明; 沈雯奕
Original assignee: Zhejiang Jiasili Intelligent Technology Co ltd
Current assignee: Zhejiang Jiasili Intelligent Technology Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-04-12
Anticipated expiration: 2031-10-27

Abstract

A detachable caster comprises a caster mounting mechanism and a caster mechanism. The truckle installation mechanism includes truckle mount pad, rotation connecting rod, plug. The plug comprises a mounting seat, an elastic clamping piece and a fixed limiting plug-in. The mounting seat comprises a mounting seat main body and a mounting hole. Each elastic clamping piece comprises a limiting clamping piece and an elastic piece. The caster mechanism comprises a caster main body and a caster connecting piece. The truckle connecting piece includes truckle connecting piece main part, jack, spacing recess and spacing joint hole. A draw-bar box comprises a box body, a mounting groove and a detachable caster. The box includes diapire, roof, and lateral wall, mounting groove set up in on the diapire and arbitrary one on the lateral wall, every all set up one in the mounting groove truckle installation mechanism in the detachable truckle. The detachable caster wheel and the draw-bar box thereof have the advantages of simple structure, convenient use, convenient replacement and maintenance and suitability for various environments.

Description

Detachable truckle and draw-bar box thereof

Technical Field

The utility model belongs to the technical field of bags and particularly relates to a detachable caster and a draw-bar box thereof.

Background

A trolley case refers to a luggage case having a trolley and rollers. It is widely used because of its convenient use. Meanwhile, the draw-bar box is also provided with a draw bar which is divided into a single-tube draw bar and a double-tube draw bar, and the tube of the draw bar is divided into a square tube and a round tube, so that the draw-bar box is convenient to drag when walking, and the burden is greatly reduced.

The truckle of present draw-bar box is installed the difficulty, and the damage appears in the draw-bar box truckle, just needs abandonment whole case and bag, consequently needs a can dismantle the truckle. Like the detachable case and bag of chinese patent of truckle, the patent number is CN201921628083.3, its truckle installation mechanism establishes in the bottom face left and right sides of box and case lid through the installation base, every connecting rod rotates with every buffer slide and is connected, and every buffer slide cup joints with the T type dashpot inner chamber of every installation base is sliding again, make the connecting rod can also rotate around the gliding while from top to bottom of installation base, then prop the joint breach opening of every connecting rod with every truckle mechanism's the radial lateral wall of round pin axle, make the joint breach opening of every connecting rod propped up, make the round pin axle card advance joint breach inner chamber, realize the installation to the truckle. But the connection mode between the caster and the connecting rod is unstable, which is inconvenient for use.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a detachable caster with stable connection and a draw-bar box thereof, so as to meet industrial requirements.

A detachable caster comprises a caster mounting mechanism and a caster mechanism inserted on the caster mounting mechanism. The caster wheel mounting mechanism comprises a caster wheel mounting seat, a rotating connecting rod inserted on the caster wheel mounting seat, and a plug arranged on the rotating connecting rod. The plug includes one set up in mount pad on the rotation connecting rod, two symmetries set up elastic clamping spare on the mount pad, and two symmetries set up fixed spacing plug-in components on the mount pad lateral wall. The mounting seat comprises a mounting seat main body and two mounting holes symmetrically arranged on the side wall of the mounting seat main body. Each elastic clamping piece comprises a limiting clamping piece accommodated in the mounting hole and at least one elastic piece arranged between the limiting clamping piece and the mounting seat main body. The caster wheel mechanism comprises a caster wheel main body and a caster wheel connecting piece arranged on the caster wheel main body. The truckle connecting piece include one set up in truckle connecting piece main part in the truckle main part, one sets up the jack of truckle connecting piece main part one end, two set up in spacing recess in the jack to and two symmetries set up spacing joint hole on the truckle connecting piece main part lateral wall. Each limiting clamping hole is communicated with the jack. When the truckle mechanism install in when on the truckle installation mechanism, every fixed spacing plug-in components all insert and locate in the spacing recess, every spacing fastener all inserts and locates in the spacing joint is downthehole, with the restriction truckle installation mechanism with position between the truckle mechanism.

Furthermore, each limiting clamping piece sequentially comprises a first limiting clamping piece and a second limiting clamping piece, the outer contour of each limiting clamping piece is T-shaped, the length of each first limiting clamping piece is smaller than that of each mounting hole, and the length of each second limiting clamping piece is larger than that of each mounting hole.

Further, the plug height is equal to the height of the jack.

Furthermore, two all press from both sides between the elastic clamping piece and establish one fixed spacing plug-in components.

Furthermore, the outer contours of the fixed limiting plug-in and the limiting groove are T-shaped.

Furthermore, the edge positions of the insertion holes are provided with chamfers.

The utility model provides a draw-bar box includes a box, a plurality of setting is in mounting groove on the box, and a plurality ofly set up respectively in the detachable truckle in the mounting groove. The box includes a diapire, a roof to and a plurality of setting are in the diapire with lateral wall between the roof, mounting groove set up respectively in on the diapire and arbitrary one on the lateral wall, every all set up one in the mounting groove truckle installation mechanism in the detachable truckle.

Compared with the prior art, the trolley case provided by the utility model is provided with the plurality of mounting grooves on the case body so as to mount the detachable caster. The plurality of mounting grooves are respectively arranged on the bottom wall and any one of the side walls of the box body, and then the detachable caster wheels can be arranged on the bottom wall and one of the side walls of the box body, so that the draw-bar box can be suitable for different situations. Each detachable caster comprises a caster mounting mechanism and a caster mechanism, the plug of the caster mounting mechanism is connected with the caster mechanism through the elastic clamping piece and the fixed limit plug-in, the limit plug of the elastic clamping piece is accommodated in the mounting hole of the mounting seat, the elastic piece is arranged between the limit plug and the mounting seat body, the elastic piece pushes the limit plug to protrude out of the mounting hole by utilizing the self elasticity, the caster connecting piece of the caster mechanism is provided with the jack, the limit groove and the limit clamping hole, when the caster mechanism is mounted on the caster mounting mechanism, each fixed limit plug-in is inserted in the limit groove, and each limit plug-in is inserted in the limit clamping hole, to limit the position between the caster mounting mechanism and the caster mechanism. As can be seen, the detachable caster wheel and the draw-bar box thereof have simple structure, convenient use, convenient replacement and maintenance and are suitable for various environments.

Drawings

Fig. 1 is an exploded view of the detachable caster of the present invention.

Fig. 2 is a schematic cross-sectional view of the detachable caster of fig. 1.

Fig. 3 is a schematic structural view of a caster mounting mechanism in the detachable caster of fig. 1.

Fig. 4 is a schematic structural view of a caster mechanism in the detachable caster of fig. 1.

Fig. 5 is a schematic structural view of the limit clip in the detachable caster of fig. 2.

Fig. 6 is a schematic structural diagram of a first embodiment of the draw-bar box provided by the utility model.

Fig. 7 is a schematic structural diagram of a second embodiment of the draw-bar box provided by the utility model.

Detailed Description

Specific examples of the present invention will be described in further detail below. It should be understood that the description herein of embodiments of the utility model is not intended to limit the scope of the utility model.

As shown in fig. 1 to 5, which are schematic structural views of the detachable caster provided by the present invention. The detachable caster comprises a caster mounting mechanism 10 and a caster mechanism 20 inserted into the caster mounting mechanism 10. The detachable caster also includes other functional modules, such as assembling components, etc., which are well known to those skilled in the art and will not be described in detail herein.

The caster mounting mechanism 10 includes a caster mounting base 11, a rotation connecting rod 12 inserted into the caster mounting base 11, and a plug 13 provided on the rotation connecting rod 12.

The caster wheel mounting seat 11 is used for being mounted on a box body, and the caster wheel mounting seat 11 is a prior art and is not described herein again.

The rotating connecting rod 12 is used for connecting the caster wheel mounting seat 11 and the plug 13, so that the caster wheel mounting seat 11 and the plug 13 are connected into a whole, and the plug 13 can rotate around the rotating connecting rod 12, so that when the caster wheel mounting seat 11 and the caster wheel mechanism 20 are mounted together, the caster wheel mechanism 20 can also rotate.

The plug 13 comprises a mounting seat 131 arranged on the rotary connecting rod 12, two elastic clamping pieces 132 symmetrically arranged on the mounting seat 131, and two fixed limiting plug-in pieces 133 symmetrically arranged on the side wall of the mounting seat 131.

The mount 131 includes a mount body 1311, and two mounting holes 1312 symmetrically formed on sidewalls of the mount body 1311. The mounting seat main body 1311 is connected to the rotation connecting rod 12, and the mounting hole 1312 is used for mounting the elastic clamping member 132.

Each of the elastic clamping members 132 includes a limit clip 1321 received in the mounting hole 1312, and at least one elastic member 1322 disposed between the limit clip 1321 and the mounting seat body 1311. The elastic member 1322 pushes the limiting clamping piece 1321 to protrude from the mounting hole 1312 by using the self elastic force, so that the limiting clamping piece 1321 can limit.

Each limiting clamping piece 1321 sequentially comprises a first limiting clamping piece 1321a and a second limiting clamping piece 1321b, the outer contour of the limiting clamping piece 1321 is in a T shape, the length of the first limiting clamping piece 1321a is smaller than that of the installation hole 1312, the length of the second limiting clamping piece 1321b is larger than that of the installation hole 1312, conceivably, the connecting position of the first limiting clamping piece 1321a and the second limiting clamping piece 1321b is in a step shape, and the second limiting clamping piece 1321b limits the position of the limiting clamping piece 1321 in the installation hole 1312.

Fixed limit plug-in components 133 set up in on the mount pad 131 lateral wall, work as caster mechanism 20 install in when on caster installation mechanism 10, fixed limit plug-in components 133 guide caster mechanism 20 install in caster installation mechanism 10, work as caster mechanism 20 with after caster installation mechanism 10 installation was accomplished, fixed limit plug-in components 133 restriction caster mechanism 20 is in position on the caster installation mechanism 10. The two elastic clamping members 132 are respectively provided with one fixed limit plug-in unit 133 therebetween, and it is conceivable that the two elastic clamping members 132 and the two fixed limit plug-in units 133 are arranged in a staggered manner, so that the plug 13 is stably connected with the caster mechanism 20.

The caster mechanism 20 includes a caster body 21, and a caster attachment 22 provided on the caster body 21.

The caster main body 21 is a wheel, the caster main body 21 is connected to the caster connecting member 22, and the caster main body 21 is rotatable around a connecting position between the caster connecting member 22 and the caster main body 21. The caster body 21 is a conventional art and will not be described in detail herein.

The caster connecting piece 22 comprises a caster connecting piece main body 221 arranged on the caster main body 21, a jack 222 arranged at one end of the caster connecting piece main body 221, two limiting grooves 223 arranged in the jack 222, and two limiting clamping holes 224 symmetrically arranged on the side wall of the caster connecting piece main body 221.

The caster connecting piece main body 221 is provided with the insertion hole 222, the limiting groove 223 and the limiting clamping hole 224, so that the caster mechanism 20 and the caster mounting mechanism 10 are connected together, and the caster connecting piece main body 221 is a prior art and is not described herein again.

The insertion hole 222 is disposed at an end of one end of the caster connector main body 221, the plug 13 can be inserted into the insertion hole 222, and the limiting groove 223 and the limiting clamping hole 224 are all used for limiting the position of the plug 13 in the insertion hole 222. The height of the plug 13 is equal to that of the jack 222, so that the plug 13 is stably inserted into the jack 222. The edge positions of the insertion holes 222 are all provided with chamfers so that the plugs 13 can be inserted into the insertion holes 222 conveniently.

The limiting groove 223 is disposed at an end of one end of the caster connector main body 221 and is received in the insertion hole 222, the limiting clamping holes 224 are disposed on a side wall of the caster connector main body 221, and each of the limiting clamping holes 224 is communicated with the insertion hole 222, it is conceivable that the mounting seat 131 can limit a position between the mounting seat 131 and the caster connector 22 from different directions when the mounting seat 131 is inserted into the insertion hole 222. In this embodiment, the outer contours of the fixing and limiting inserts 133 and the limiting groove 223 are both in a "T" shape.

When the caster mechanism 20 is installed on the caster installation mechanism 10, each of the fixed limiting plug-in components 133 is inserted into the limiting groove 223, and each of the limiting clamping components 1321 is inserted into the limiting clamping hole 224 to limit the position between the caster installation mechanism 10 and the caster mechanism 20, so that the caster mechanism 20 and the caster installation mechanism 10 are stably connected.

As shown in fig. 6 to 7, which are schematic structural views of the draw-bar box provided by the present invention, the draw-bar box includes a box body 30, a plurality of mounting grooves 40 disposed on the box body 30, and a plurality of detachable casters 50 respectively disposed in the mounting grooves 40.

The box body 30 includes a bottom wall 31, a top wall 32, and a plurality of side walls 33 disposed between the bottom wall 31 and the top wall 32. The bottom wall 31, the top wall 32, and the side wall 33 are integrally formed, and the box body 30 is a prior art. In the detachable caster 50, the caster mounting mechanism 10 is mounted in the mounting groove 40, and the caster mechanism 20 is mounted on the caster mounting mechanism 10, so that the detachable caster 50 is connected to the box 30.

A plurality of mounting grooves 40 set up respectively in on the diapire 31 and arbitrary one on the lateral wall 33, and every all set up one in the mounting grooves 40 truckle installation mechanism 10 among the detachable truckle 50, promptly truckle installation mechanism 10 set up respectively in on the diapire 31 and arbitrary one lateral wall 33 to the draw-bar box can be according to the condition of difference, with truckle mechanism 20 among the detachable truckle 50 install in truckle installation mechanism 10 on the diapire 31 or install in truckle installation mechanism 10 on the lateral wall 33, in order to realize box 30 can follow not equidirectional slip.

Fig. 6 is a schematic structural view of a first embodiment of the trolley case, the detachable caster 50 is disposed on the side wall 33 of the case body 30, and fig. 7 is a schematic structural view of a second embodiment of the trolley case, the detachable caster 50 is disposed on the bottom wall 31 of the case body 30. The bottom wall 31 and the detachable caster 50 on the side wall 33 can separate the caster mechanism 20 from the caster mounting mechanism 10 as required.

Compared with the prior art, the draw-bar box provided by the utility model is provided with the plurality of mounting grooves 40 on the box body 30 so as to mount the detachable caster 50. The plurality of mounting grooves 40 are respectively disposed on the bottom wall 31 and any one of the side walls 33 of the box body 30, so that the detachable caster 50 can be disposed on the bottom wall 31 and one of the side walls 33 of the box body 30, so that the draw-bar box can be applied to different situations. Each of the detachable casters 50 includes a caster mounting mechanism 10 and a caster mechanism 20, the plug 13 of the caster mounting mechanism 10 is connected to the caster mechanism 20 through the elastic clip 132 and the fixed limit plug 133 arranged on the mounting seat 131, the limit clip 1321 of the elastic clip 132 is received in the mounting hole 1312 of the mounting seat 131, the elastic piece 1322 is arranged between the limit clip 1321 and the mounting seat body 1311, the elastic piece 1322 pushes the limit clip 1321 to protrude from the mounting hole 1312 by using its own elastic force, the caster connecting piece 22 of the caster mechanism 20 is provided with the insertion hole 222, the limit groove 223 and the limit clip hole 224, when the caster mechanism 20 is mounted on the caster mounting mechanism 10, each of the fixed limit plugs 133 is inserted into the limit groove 223, each of the limiting clamps 1321 is inserted into the limiting clamp hole 224 to limit the position between the caster mounting mechanism 10 and the caster mechanism 20. As can be seen, the detachable caster wheel and the draw-bar box thereof have simple structure, convenient use, convenient replacement and maintenance and are suitable for various environments.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, and any modifications, equivalents or improvements that are within the spirit of the present invention are intended to be covered by the following claims.

Claims

1. A detachable caster, its characterized in that: the detachable caster comprises a caster mounting mechanism and a caster mechanism inserted on the caster mounting mechanism, the caster mounting mechanism comprises a caster mounting seat, a rotating connecting rod inserted on the caster mounting seat and a plug arranged on the rotating connecting rod, the plug comprises a mounting seat arranged on the rotating connecting rod, two elastic clamping pieces symmetrically arranged on the mounting seat and two fixed limit inserting pieces symmetrically arranged on the side wall of the mounting seat, the mounting seat comprises a mounting seat main body and two mounting holes symmetrically arranged on the side wall of the mounting seat main body, each elastic clamping piece comprises a limit clamping piece accommodated in the mounting hole and at least one elastic piece arranged between the limit clamping piece and the mounting seat main body, truckle mechanism includes a truckle main part, and a setting is in truckle connecting piece in the truckle main part, the truckle connecting piece include one set up in truckle connecting piece main part in the truckle main part, a setting is in the jack of truckle connecting piece main part one end, two set up in spacing recess in the jack, and two symmetries set up spacing joint hole on the truckle connecting piece main part lateral wall, every spacing joint hole all communicates the jack is worked as truckle mechanism install in when on the truckle installation mechanism, every fixed spacing plug-in components all insert and locate in the spacing recess, every spacing fastener all inserts and locates in the spacing joint is downthehole, with the restriction truckle installation mechanism with position between the truckle mechanism.

2. The removable caster of claim 1, wherein: every spacing fastener all includes first spacing fastener, the spacing fastener of second in proper order, the outline of spacing fastener becomes the T style of calligraphy, first spacing fastener be less than the length of mounting hole, the length of the spacing fastener of second is greater than the length of mounting hole.

3. The removable caster of claim 1, wherein: the plug height is equal to the height of the jack.

4. The removable caster of claim 1, wherein: two all press from both sides between the elastic clamping piece and establish one fixed spacing plug-in components.

5. The removable caster of claim 1, wherein: the outer contours of the fixed limiting plug-in and the limiting groove are T-shaped.

6. The removable caster of claim 1, wherein: and chamfers are arranged at the edge positions of the jacks.

7. A draw-bar box, its characterized in that: the draw-bar box comprises a box body, a plurality of mounting grooves arranged on the box body, and a plurality of detachable castors which are arranged in the mounting grooves respectively according to any one of claims 1 to 6, wherein the box body comprises a bottom wall, a top wall, and a plurality of side walls arranged between the bottom wall and the top wall, the mounting grooves are arranged on the bottom wall and any one of the side walls respectively, and a caster mounting mechanism in each detachable caster is arranged in each mounting groove.