Luggage trundle assembly structure and trundle

Abstract

The utility model relates to a luggage trundle assembling structure and a trundle, an elastic batten is formed on an inserting side wing on a T-shaped sliding inserting part of a trundle mounting tray through a breaking groove, a clamping head is arranged at the deformation end of the elastic batten in a protruding mode, and the two ends of the clamping head in the pushing and inserting direction of the inserting side wing are provided with a driving inclined face and a stopping face respectively. When the inserting side wings are inserted into the limiting inserting grooves of the T-shaped inserting grooves in the box body in a pushing mode, the driving slopes are pressed through the walls of the limiting inserting grooves, so that the elastic battens are promoted to compress the breaking grooves and elastically deform, clamping holes penetrating to the inner side of the box body are formed in the limiting inserting grooves, and when the clamping heads are inserted into the limiting inserting grooves along with the inserting side wings to correspond to the clamping holes in position, the clamping heads are driven to rotate. The clamping heads are clamped into the clamping holes and are stopped with the walls of the clamping holes so as to prevent the T-shaped sliding insertion part from retreating from the insertion seat of the box body, elastic battens with the clamping heads are formed on the two insertion side wings, and clamping holes matched with the two clamping heads in a one-to-one correspondence mode are formed in the two corresponding limiting insertion grooves. The device has the advantages of simple structure and simplicity and rapidness in disassembly and assembly.

Description

TECHNICAL FIELD

[0001] The utility model relates to a luggage, in particular to a luggage wheel and a luggage mounting fixed assembly structure. BACKGROUND

[0002] The luggage has become the daily necessities widely used by people. The existing luggage wheel mounting adopts the positioning groove provided on the luggage (usually at the corner position of the bottom), the plurality of screw holes are arranged in the positioning groove, the plurality of screw hole columns are arranged on the mounting tray of the luggage wheel, the mounting tray is positioned in the positioning groove, the screw is passed through the screw hole and is connected to the screw hole column to realize the fixation of the luggage wheel, the assembly is realized by using the plurality of screws, and the luggage wheel is inconvenient to disassemble and assemble.

[0003] In order to solve the above problems, the T-shaped sliding insertion part is formed on the mounting tray of the existing luggage wheel, the insertion seat is designed on the luggage, and the assembly is realized through the insertion cooperation of the T-shaped sliding insertion part and the insertion seat, but the existing structure design of the limiting fixation in the insertion direction has the defects of complex structure, inconvenient processing and molding or inconvenient disassembly and assembly. SUMMARY

[0004] The utility model discloses the purpose: in order to overcome the defects of prior art, the utility model provides a kind of luggage wheel assembly structure, which is simple in structure, simple and fast in disassembly and assembly, and firm and reliable in fixation.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] The application relates to a luggage caster assembly structure, which comprises a luggage body and a caster, wherein the caster comprises a mounting tray and a caster body mounted on the mounting tray; the surface of the luggage body is provided with an insertion seat, the insertion seat is provided with a T-shaped insertion slot, the T-shaped insertion slot comprises a central main slot cavity and limiting insertion slots on the two lateral sides of the central main slot cavity, the T-shaped insertion slot is provided with an insertion port penetrating the edge of the luggage body, the top of the mounting tray is provided with a T-shaped sliding insertion part and a side plate corresponding to the opposite position of the insertion end of the T-shaped sliding insertion part, the T-shaped sliding insertion part comprises a central main body, the two lateral sides of the central main body are formed with insertion side wings matched with the limiting insertion slots, the T-shaped sliding insertion part of the mounting tray is configured to be inserted into and withdrawn from the insertion seat along the lateral direction through the insertion port, and the side plate covers the insertion port after the T-shaped sliding insertion part is inserted into the insertion seat; characterized in that: the insertion side wings are provided with a split groove, the insertion side wings are formed with elastic strips extending along the insertion direction of the T-shaped sliding insertion part through the split groove, the deformation end of the elastic strip is provided with a clamping joint protruding from the edge of the insertion side wing in a free state, the clamping joint is provided with a driving slope and a stop surface at the two ends along the insertion direction of the insertion side wing, and when the clamping joint is inserted into the limiting insertion slot, the driving slope is pressed by the wall of the limiting insertion slot, so that the elastic strip is compressed in the split groove and elastically deformed, the limiting insertion slot is provided with a clamping hole penetrating the inner side of the luggage body, and when the clamping joint is inserted into the limiting insertion slot and corresponds to the position of the clamping hole, the clamping joint is clamped into the clamping hole and stopped by the wall of the clamping hole, so as to prevent the T-shaped sliding insertion part from being withdrawn from the insertion seat, the two insertion side wings are formed with elastic strips with clamping joints, and the two limiting insertion slots are provided with clamping holes matched with the two clamping joints one by one.

[0007] By adopting the technical scheme, the mounting tray of the caster is inserted into the luggage body along the lateral side of the luggage body through the T-shaped sliding insertion part, and the mounting tray is limited on the luggage body through the insertion of the T-shaped sliding insertion part and the insertion seat; in the insertion process, the clamping joint is pressed, the elastic strip is compressed and deformed into the split groove, the clamping joint corresponds to the position of the clamping hole when the T-shaped sliding insertion part is inserted into the insertion seat and positioned at the predetermined insertion depth position, the elastic strip clamps the clamping joint into the clamping hole under the action of the elastic deformation force, and the caster is prevented from being withdrawn; the application has the advantages of convenient assembly; moreover, the elastic clamping structure is directly formed on the insertion side wing through the split groove, the structure is simple, the processing is convenient, the clamping structure is formed on the two sides by utilizing the two insertion side wings, the stable and balanced clamping and fixing of the caster are achieved, in the disassembly process, the clamping joint is pressed from the inner side of the luggage body, the clamping joint is withdrawn from the clamping hole, then the mounting tray is slid out of the insertion seat, and the disassembly of the caster is completed, and the application has the advantage of convenient disassembly.

[0008] Preferably, the free end of the elastic strip is directed to the insertion start end direction of the insertion side wing. Under the structure design, when the clamping joint is clamped into the clamping hole and resisted by the wall of the clamping hole, the elastic strip is more reasonably and stably stressed, and the elastic strip is not easy to be broken.

[0009] Preferably, the split groove penetrates the end of the insertion end of the insertion side wing, thereby forming the elastic strip. In this structure, the elastic strip is easier to process and form.

[0010] Preferably, the insertion seat corresponds to the T-shaped slot profile on the inside of the box, thereby having a side convex profile part corresponding to the limiting slot on the inside of the box, and a side concave profile part corresponding to the central main slot cavity. An opening is formed on the edge of the side convex profile part, and the opening penetrates the limiting slot to form the clamping hole. In the conventional design of the inside of the box corresponding to the T-shaped slot profile, the opening is formed by removing part of the entity on the edge of the side convex profile part, and the opening penetrates the limiting slot to form the clamping hole. This design has the advantage that the clamping hole is easy to process and form.

[0011] Preferably, the end slot is further extended at the end of the insertion depth direction of the T-shaped slot, and the end slot is connected with the limiting slot transverse to the T-shaped slot, thereby forming a U-shaped positioning edge slot around the central main slot cavity. Correspondingly, the front end wing plate is protruded at the insertion beginning end of the T-shaped sliding insertion part, and the front end wing plate is inserted and matched with the end slot. In the design of the end slot, the U-shaped positioning edge slot is formed around the central main slot cavity of the T-shaped slot, and the front end of the caster is inserted and matched with the front end wing plate and the end slot, thereby increasing the limiting position of the caster on the box.

[0012] Further, the side convex profile part corresponding to the U-shaped positioning edge slot is formed on the inside of the box, the opening is arranged at the corner position of the side convex profile part, the front end wing plate is protruded at the insertion beginning end of the T-shaped sliding insertion part, and the front end wing plate is inserted and matched with the end slot. The clamping hole is also easier to form, and the length of the elastic strip can be extended to the position corresponding to the front end wing plate, so as to ensure the overall structural strength.

[0013] Another object of the present application is to provide a luggage caster which is simple in structure and convenient to disassemble and assemble. The luggage caster comprises a mounting tray and a caster body mounted on the mounting tray. The mounting tray is provided with a T-shaped sliding insertion part and a side plate corresponding to the opposite position of the insertion end of the T-shaped sliding insertion part. The T-shaped sliding insertion part comprises a central main body, and insertion side wings are formed on the lateral sides of the central main body. The insertion side wings are provided with a split groove, and an elastic strip extending in the insertion direction of the T-shaped sliding insertion part is formed on the insertion side wings through the split groove. The deformation end of the elastic strip is protruded with a clamping joint protruding from the edge of the insertion side wing in a free state of the elastic strip. The clamping joint is provided with a driving slope and a stop surface at the two ends in the pushing and inserting direction of the insertion side wing. When the clamping joint is pressed, the elastic strip is compressed in the split groove and elastically deformed.

[0014] Preferably, the free end of the elastic strip is inserted towards the insertion end of the insertion side wing. In this structure, when the clamping head is inserted into the clamping hole and is in contact with the wall of the clamping hole, the elastic strip is more reasonable and stable under stress, and the elastic strip is not easy to break.

[0015] Preferably, the breaking groove penetrates the insertion end of the insertion side wing, thereby forming the elastic strip. In this structure, the elastic strip is more simple and convenient to process and form.

[0016] Preferably, the insertion end of the T-shaped sliding insertion part protrudes a front end wing plate, and the free end of the elastic strip extends to a position corresponding to the front end wing plate. In this structure, the installation tray is more reliably inserted and fixed.

[0017] The insertion end of the center main body protrudes a front end wing plate connected with the two insertion side wings on the transverse sides, the elastic clamping piece extends along the insertion direction of the T-shaped sliding insertion part inserted into the insertion seat, one end of the elastic clamping piece is a connecting part fixed to the front end wing plate of the T-shaped sliding insertion part and capable of elastically deforming, the connecting part is provided with a clamping block, the T-shaped sliding insertion part is provided with an avoiding cavity for the deformation of the elastic clamping piece, and the clamping block is provided with a guide slope inclined along the insertion direction of the T-shaped sliding insertion part and the insertion seat.

[0018] The utility model will be further described below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the structure schematic diagram of the utility model suitcase wheel assembly structure under the outside perspective of the box body;

[0020] Figure 2 It is the structure schematic diagram of the utility model suitcase wheel assembly structure under the outside perspective of the box body; Figure 1 It is the sectional view along A-A line;

[0021] Figure 3 It is the structure schematic diagram of the utility model suitcase wheel assembly structure under the outside perspective of the box body; Figure 1 It is the sectional view along B-B line;

[0022] Figure 4 It is the structure schematic diagram of the positioning groove of the utility model box body;

[0023] Figure 5 It is the structure schematic diagram of the utility model suitcase wheel assembly structure under the inside perspective of the box body;

[0024] Figure 6 It is the structure schematic diagram of the utility model installation tray. DETAILED DESCRIPTION

[0025] Referring to the drawings, Figures 1-6The utility model discloses a kind of luggage caster assembly structure, including box 1 (part of box is shown in drawing) and caster, box 1 surface recess has locating recess 11, the caster includes mounting tray 21 and the caster body on mounting tray 21, caster body is conventional technology, not shown in drawing, usually including wheel carrier and gyro wheel, in most cases, caster is installed in the corner position of box 1, thus neatly and reliably after the assembly of caster and box 1, mounting tray 21 usually has L-shaped arrangement side plate 211, so that locating recess 11 has lateral side opening 110 that is transverse through the rim of box 1 on the side edge close to box 1, the mounting tray 21 is positioned and installed in locating recess 11, side plate 211 covers on lateral side opening 110, mounting tray carries out corner shape to box, more neat and beautiful;Positioning recess 11 is equipped with plug-in seat 111, T-shaped slot 113 is arranged on plug-in seat 111, T-shaped slot 113 includes center main groove cavity 1131, and limiting slot 1132 on the lateral side of center main groove cavity 1131, T-shaped slot 113 has insertion port that is transverse through the rim, insertion port corresponds one lateral side opening 110 in locating recess 11, the top of mounting tray 21 is equipped with T-shaped sliding insertion part 212, so that mounting tray 21 is along lateral side opening 110 of locating recess 11, T-shaped sliding insertion part 212 is inserted and mounted on plug-in seat 111 via insertion end, while mounting tray 21 is inserted and positioned in locating recess 11 simultaneously, with T-shaped sliding insertion part 212 is inserted and mounted in plug-in seat 111 in place, side plate 211 covers on lateral side opening 110, T-shaped sliding insertion part 212 includes center body 2121, mounting tray is injection molded part, for easy processing, center body is designed to be connected by middle grid-shaped rib plate surrounded by edge plate-shaped sliding insertion convex plate, the lateral side of center body 2121 is formed with the insertion side wing 2122 that is adapted with limiting slot 1132, the insertion side wing 2122 is equipped with split groove 2123, and elastic batten 2124 extending along the insertion direction of T-shaped sliding insertion part 212 is formed on insertion side wing 2122 via split groove 2123, and the deformation end of elastic batten 2124 is protruded with clamping joint 2125 (such as Figure 6The shown), the card joint 2125 has a driving slope a and a stop surface b at both ends of the push-in direction of the insertion side wing 2122, respectively, when the card joint is inserted into the limiting slot 1132 of the insertion side wing 2122, the driving slope a is pressed by the wall of the limiting slot 1132, so as to make the elastic strip 2124 compressed and broken into the slot 2123 and elastically deformed, the limiting slot 1132 is provided with a clamping hole 112 penetrating to the inside of the box 1, when the card joint is inserted into the limiting slot 1132 with the insertion side wing 2122 to correspond to the position of the clamping hole 112, the card joint is clamped into the clamping hole 112 and stopped by the wall of the clamping hole 112 (the stop surface b of the card joint and the wall of the clamping hole 112), so as to prevent the T-shaped sliding insertion part 212 from exiting the insertion seat 111, in order to ensure the stable installation of the caster, preferably, the elastic strip 2124 with the card joint is formed on both insertion side wings 1132, and the corresponding two limiting slots 1132 are provided with clamping holes 112 corresponding to the two card joints 2125. The installation tray 21 is positioned in the positioning groove 11 of the box 1 by sliding insertion, in the process of pushing and inserting, the driving slope of the card joint 2125 contacts with the wall of the limiting slot 1132, the card joint 2125 is pressed, the elastic strip 2124 is compressed and deformed into the slot 2123, the card joint 2125 is inserted into the limiting slot 1132, when the T-shaped sliding insertion part 212 is inserted into the insertion seat 111 and positioned at the predetermined insertion depth position, the card joint 2125 corresponds to the position of the clamping hole, the elastic strip 2124 clamps the card joint into the clamping hole under the action of the elastic deformation force, so as to prevent the caster from being removed; It has the advantages of convenient assembly; moreover, the elastic clamping structure is directly formed on the insertion side wing through the broken slot 2123, which is simple in structure and convenient in processing, and at the same time, the clamping structure can be formed on both sides of the two insertion side wings 1132, so as to achieve the stable and balanced clamping fixation of the caster, when disassembling, the card joint is pressed from the inside of the box, the card joint is removed from the clamping hole, then the installation tray is slid out of the insertion seat 111, and the disassembly of the caster is completed, which has the advantages of convenient disassembly. In addition, two clamping holes 112 and card joints are used for clamping and cooperating, that is, there are at least two independent anti-removal clamping points, so as to further ensure the stable and reliable fixation of the caster, avoid the caster from falling off, and increase the stop effect of the double stop points, and two elastic clamping members can be reset when the external force disappears.

[0026] As an embodiment of the utility model, the free end of the elastic batten 2124 is inserted towards the initial end of the insertion side wing 1132. In this structure, when the clamping head is clamped into the clamping hole and is in contact with the wall of the clamping hole, the elastic batten is more reasonable and stable under stress, and the elastic batten is not easy to break; therefore, the person skilled in the art can also think of the design of the elastic batten towards the opposite direction. Further, the split groove 2123 penetrates the initial end of the insertion side wing 1132, thereby forming the elastic batten 2124. The elastic batten is more simple and convenient to process and form. Of course, the elastic batten can be formed in the middle position of the insertion side wing, and the split groove needs to be designed in an L shape, which is inconvenient in processing design.

[0027] In addition, in a general case, the insertion seat 111 corresponds to the inside of the box body 1 and is adapted to the profile of the T-shaped slot 113, so that the inside of the box body 1 has a side protruding profile part 12 corresponding to the limiting slot 1132 and a side recessed profile part 13 corresponding to the central main groove cavity 1131. Meanwhile, in the further optimization of the utility model, a notch 131 is formed on the edge of the side protruding profile part 13, and the notch 131 penetrates the limiting slot 1132 to form the clamping hole 112. In the design that the inside of the traditional box body is adapted to the profile of the T-shaped slot, the notch can be formed by removing part of the entity on the edge of the side protruding profile part, and the notch penetrates the limiting slot to form the clamping hole, which has the advantage of simple and convenient processing and forming of the clamping hole.

[0028] In the design of the utility model, a more reliable traditional connection structure design can also be retained, specifically: the T-shaped slot 113 further extends a terminal slot 1133 at the end of the insertion depth direction, and the terminal slot 1133 is connected with the limiting slot 1132 of the T-shaped slot 113 in the transverse direction, thereby forming a U-shaped positioning edge groove around the central main groove cavity 1131, and correspondingly, the initial end of the T-shaped sliding insertion part 212 protrudes a front end wing plate 2126, and the front end wing plate 2126 is inserted and matched with the terminal slot 1133; because the insertion seat is adapted to the profile of the T-shaped slot on the inside of the box body, a side protruding profile part is formed on the inside of the box body 1 to adapt to the U-shaped positioning edge groove, and further, the notch 131 is arranged at the corner position of the side protruding profile part 12, so that the clamping hole is simple and convenient to process and form, and the free end of the elastic batten 2124 extends to the corresponding position of the front end wing plate 2126.

Claims

1. A luggage caster assembly structure, comprising a luggage body and a caster, the caster comprising a mounting tray and a caster body mounted on the mounting tray, a surface of the luggage body is provided with an insertion seat, the insertion seat is provided with a T-shaped insertion slot, the T-shaped insertion slot comprises a central main slot cavity and limiting insertion slots on both sides of the central main slot cavity, the T-shaped insertion slot has an insertion port penetrating the edge of the luggage body, the top of the mounting tray is provided with a T-shaped sliding insertion part and a side plate corresponding to the opposite position of the insertion end of the T-shaped sliding insertion part, the T-shaped sliding insertion part comprises a central main body, and insertion side wings adapted to the limiting insertion slots are formed on both sides of the central main body in the transverse direction, the T-shaped sliding insertion part of the mounting tray is configured to be inserted and withdrawn from the insertion seat along the transverse direction via the insertion port, and the side plate covers the insertion port after the T-shaped sliding insertion part is inserted into the insertion seat in place, characterized in that: The insertion side wing is provided with a split groove, and an elastic strip extending along the insertion direction of the T-shaped sliding insertion part is formed on the insertion side wing through the split groove. The deformed end of the elastic strip protrudes a clamping joint that protrudes beyond the edge of the insertion side wing in a free state of the elastic strip. The clamping joint has a driving slope and a stop surface at both ends along the insertion direction of the insertion side wing. When the clamping joint is inserted into the limiting insertion groove, the driving slope is pressed by the wall of the limiting insertion groove, thereby causing the elastic strip to compress the split groove and elastically deform. The limiting insertion groove is provided with a clamping hole that penetrates to the inside of the box. When the clamping joint is inserted into the limiting insertion groove to correspond to the position of the clamping hole, the clamping joint is clamped into the clamping hole and stopped by the wall of the clamping hole to prevent the T-shaped sliding insertion part from being withdrawn from the insertion seat. The elastic strip with a clamping joint is formed on both insertion side wings, and the corresponding two limiting insertion grooves are provided with clamping holes that correspond to the two clamping joints.

2. The luggage caster assembly structure according to claim 1, wherein: The free end of the elastic strip is directed towards the insertion start end of the insertion side wing.

3. The luggage caster assembly structure according to claim 2, wherein: The split groove penetrates the insertion start end of the insertion side wing, thereby forming the elastic strip.

4. The luggage caster assembly structure according to claim 1 or 2 or 3, characterized in that: The insertion seat corresponds to the inside of the box and has a side protruding profile part corresponding to the limiting insertion groove and a side recess profile part corresponding to the central main groove cavity. A notch is formed on the edge of the side protruding profile part, and the notch forms the clamping hole through the limiting insertion groove.

5. The luggage caster assembly structure according to claim 1 or 2 or 3, wherein: The T-shaped insertion slot further extends a terminal slot at the end in the insertion depth direction, and the terminal slot is connected with the limiting insertion groove transverse to the T-shaped insertion slot, thereby forming a U-shaped positioning edge slot circumferentially in the central main groove cavity. Correspondingly, a front end wing plate protrudes at the insertion start end of the T-shaped sliding insertion part, and the front end wing plate is inserted and matched with the terminal slot.

6. The luggage caster assembly structure according to claim 4, wherein: The T-shaped insertion slot further extends a terminal slot at the end in the insertion depth direction, and the terminal slot is connected with the limiting insertion groove transverse to the T-shaped insertion slot, thereby forming a U-shaped positioning edge slot circumferentially in the central main groove cavity. Correspondingly, a front end wing plate protrudes at the insertion start end of the T-shaped sliding insertion part, and the front end wing plate is inserted and matched with the terminal slot.

7. A luggage caster, comprising a mounting tray and a caster body mounted on the mounting tray, the mounting tray is provided with a T-shaped sliding insertion part on the top, and a side plate corresponding to the opposite position of the insertion end of the T-shaped sliding insertion part, the T-shaped sliding insertion part comprises a central body, and insertion side wings are formed on the lateral sides of the central body, characterized in that: The insertion side wing is provided with a split groove, and an elastic strip extending along the insertion direction of the T-shaped sliding insertion part is formed on the insertion side wing through the split groove. The deformed end of the elastic strip protrudes a clamping joint that protrudes beyond the edge of the insertion side wing in a free state of the elastic strip. The clamping joint is pressed, thereby causing the elastic strip to compress the split groove and elastically deform.

8. The luggage caster wheel of claim 7, wherein: The free end of the elastic strip is directed towards the insertion start end of the insertion side wing.

9. The luggage caster wheel of claim 8, wherein: The split groove penetrates the insertion start end of the insertion side wing, thereby forming the elastic strip.

10. The luggage caster wheel of claim 9, wherein: A front end wing plate protrudes at the insertion start end of the T-shaped sliding insertion part, and the free end of the elastic strip extends to the corresponding position of the front end wing plate. With this structure, the installation tray is more reliably inserted and fixed.

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