Trundle mounting seat and box body trundle mounting structure

Abstract

The utility model belongs to the technical field of trundle installation, and particularly discloses a trundle installation seat and a box body trundle installation structure. The trundle mounting seat comprises a trundle mounting part, a positioning table is arranged at the top of the trundle mounting part, an inserting barrel is connected to the upper side of the positioning table, a notch is formed in the upper edge of the barrel wall of the inserting barrel, an elastic strip extending upwards is connected to the lower edge of the notch, and a clamping block is arranged at the upper end of the elastic clamping strip. The box body trundle installation structure comprises a box body and the trundle installation base, a trundle base insertion cavity is formed in the bottom face of the box body, a clamping hole or a clamping groove is formed in the cavity wall of the trundle base insertion cavity, the insertion cylinder is inserted into the trundle base insertion cavity, and the clamping block is clamped into the clamping hole or the clamping groove. Through the design of the trundle mounting seat and the improvement of the trundle mounting structure of the box body, the installation of the trundle is facilitated, and the firm installation of the trundle is ensured. The box body and the trundle mounting seats are preferably made of plastic materials, and metal fasteners cannot be seen from the outside after the trundle is mounted.

Description

TECHNICAL FIELD

[0001] The utility model relates to caster mounting technical field, concretely relates to a caster mounting seat and box body caster mounting structure. BACKGROUND

[0002] Suitcase and folding bed are all common daily necessities, but each has its purpose, in order to realize the function combination of both, we have developed a box type folding bed, the bed plate can be folded in the box body, and becomes a suitcase state, since the box body is heavy, needs to install the caster, so as to facilitate the movement.

[0003] The caster of the existing suitcase is directly installed on the box body, and the caster wheel seat is fixed on the box body by using bolts. The disadvantages of the caster adopting this mounting mode are that: 1. the bolts for fixing the wheel seat are exposed, easy to rust and fall off, and affect the appearance. 2. a caster needs to be fixed by multiple bolts, and the installation process is relatively cumbersome. UTILITY MODEL CONTENTS

[0004] The utility model aims at the above problems and provides a caster mounting seat and box body caster mounting structure, solves the problems of cumbersome caster installation process and bolt falling off after installation in the prior art.

[0005] In order to achieve the above object, the utility model discloses a caster mounting seat, including caster mounting part, the top of caster mounting part is equipped with positioning table, the upside of positioning table is positioning surface, the positioning surface is connected with the upward extension of the plug-in barrel, the plug-in barrel is non-cylinder, the lower edge of the aperture is connected with the upward extension of the elastic strip, the upper end of the elastic strip is equipped with the outward protruding block of the plug-in barrel. After adopting the above structure, the caster mounting part is used for connecting the caster, the plug-in barrel is used for connecting the wheel seat plug-in chamber, when the plug-in barrel is inserted into the wheel seat plug-in chamber, the elastic strip is deformed to the inside of the plug-in barrel, ensures that the block can enter the wheel seat plug-in chamber, after being inserted into the wheel seat plug-in chamber, the elastic strip rebounds, and the block enters the card hole, avoids the plug-in barrel from coming out, and ensures the firm installation of the caster mounting seat.

[0006] Further, the caster mounting part is a cylinder, and a plug plate is arranged in the cylinder. A caster connecting hole is arranged in the middle of the plug plate. The caster connecting hole is used for inserting a connecting column of the caster. The connecting column of the caster and the caster connecting hole can be connected by interference fit, threaded connection or other connection forms, facilitating the connection between the caster and the caster mounting seat.

[0007] Further, the cylinder caster mounting part is a circular cylinder. The part of the caster close to the cylinder caster mounting part is usually a cylindrical structure, which is consistent with the outer contour of the circular cylinder.

[0008] Further, the bottom surface of the blocking plate is higher than the lower edge of the cylinder of the caster mounting portion. With the above structure, the part of the cylinder below the blocking plate has a certain space, so that part of the structure of the caster enters the space.

[0009] Further, the insertion cylinder is a square cylinder, and the gap is arranged on the right side surface of the square cylinder. The square cylinder structure of the insertion cylinder can prevent the insertion cylinder from rotating relative to the wheel seat insertion chamber, ensuring the firm installation of the caster mounting seat.

[0010] Further, the elastic strip is gradually inclined to the outside of the insertion cylinder from the lower end to the upper end thereof under the condition of no external force. With the above structure, the elastic strip has an outward elastic force after the insertion cylinder is inserted into the wheel seat insertion chamber, ensuring that the clamping block is firmly clamped in the clamping hole or clamping groove.

[0011] Further, the positioning table is a square plate. After the insertion cylinder is inserted into the wheel seat insertion chamber, the square plate covers the opening of the wheel seat insertion chamber.

[0012] Further, the positioning surface is an inclined surface that is gradually inclined upward from the left side to the right side thereof. With the above structure, the inclination of the positioning surface is just adapted to the inclination of the side surface of the box body, ensuring that the positioning surface is closely combined with the side surface of the box body.

[0013] The utility model discloses still a kind of box body caster mounting structure, including box body and above-mentioned caster mounting seat, the side surface of the box body is equipped with wheel seat insertion chamber, and the cavity wall of wheel seat insertion chamber is equipped with clamping hole or clamping groove, and the insertion cylinder on the caster mounting seat is inserted into wheel seat insertion chamber, and the clamping block on the caster mounting seat is clamped into clamping hole or clamping groove. With the above structure, when the caster mounting seat is loaded into box body, the insertion cylinder can be cooperated with wheel seat insertion chamber, and the clamping block can be cooperated with clamping hole, facilitate the installation of caster mounting seat.

[0014] Further, the box body is a shell structure, and the side wall of the box body is provided with a wheel seat insertion chamber recessed into the box body. The part close to the bottom wall of the box body in the wheel seat insertion chamber is provided with a partition plate. The first through hole and the second through hole are provided on the bottom wall of the box body and the partition plate correspondingly. The first through hole and the second through hole are communicated to form the clamping hole. A plurality of connecting plates are arranged between the bottom wall of the box body and the partition plate. With the above structure, the partition plate and the connecting plate are arranged to increase the structural strength of the wall of the wheel seat insertion chamber, especially the structural strength of the clamping hole, so as to ensure the firm installation of the caster mounting seat.

[0015] In summary, the utility model has the advantages that: the utility model discloses a caster mounting seat, and the box body caster mounting structure is improved, so that the installation of the caster is facilitated, and the firm installation of the caster can be ensured. The box body and the caster mounting seat in the utility model are preferably made of plastic material, and no metal fastener can be seen outside after the caster is installed. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a perspective view of an embodiment of the caster mounting seat in the utility model;

[0017] Figure 2 is Figure 1 is a front view of the embodiment shown;

[0018] Figure 3 is Figure 1 is a sectional view of the embodiment shown;

[0019] Figure 4 is a schematic view of an embodiment of the box caster mounting structure in the utility model;

[0020] Figure 5 is Figure 4 is a structural schematic view of the box in the embodiment shown;

[0021] Figure 6 is Figure 5 is an enlarged view of A in the embodiment shown.

[0022] In the figure: 1, caster mounting part, 2, positioning table, 3, plug-in cylinder, 4, notch, 5, elastic strip, 6, clamping block, 8, caster connecting hole, 9, box, 10, wheel seat plug-in chamber, 11, clamping hole, 12, partition, 13, first through hole, 14, second through hole, 15, connecting plate. DETAILED DESCRIPTION

[0023] The specific embodiments of the utility model will be described in further detail below in combination with the drawings and embodiments. The following embodiments are used to illustrate the utility model, but not to limit the scope of the utility model.

[0024] With reference to Figures 1 to 3 In some embodiments of the utility model, the caster mounting seat comprises a caster mounting part 1, the top of the caster mounting part 1 is provided with a positioning table 2, the upper side of the positioning table 2 is a positioning face, a plug-in cylinder 3 extending upwards is connected at the positioning face, the plug-in cylinder 3 is a non-cylinder body, a notch 4 is arranged on the wall of the plug-in cylinder 3, an elastic strip 5 extending upwards is connected at the lower side of the notch 4, and a clamping block 6 protruding outward of the plug-in cylinder 3 is arranged at the upper end of the elastic strip 5. The caster mounting part 1 is used to connect a caster, the plug-in cylinder 3 is used to connect a wheel seat plug-in chamber 10, when the plug-in cylinder 3 is inserted into the wheel seat plug-in chamber 10, the elastic strip 5 deforms towards the inside of the plug-in cylinder 3, ensuring that the clamping block 6 can enter the wheel seat plug-in chamber 10, after being inserted into the wheel seat plug-in chamber 10, the elastic strip 5 rebounds, the clamping block 6 enters a clamping hole 11, avoiding the plug-in cylinder 3 from coming out, and ensuring that the caster mounting seat is firmly installed.

[0025] The wheel mounting part 1 is a cylinder, and a baffle plate 7 is arranged in the cylinder.

[0026] The wheel mounting part 1 is a cylinder. The part of the wheel close to the wheel mounting part 1 is usually a cylindrical structure, which is consistent with the outer contour of the cylinder.

[0027] The bottom surface of the baffle plate 7 is higher than the lower edge of the cylinder of the wheel mounting part 1. The part below the baffle plate 7 in the cylinder has a certain space, so that part of the structure of the wheel enters the space.

[0028] The insertion cylinder 3 is a square cylinder, and the gap 4 is arranged on the right side of the square cylinder. The insertion cylinder 3 adopts a square cylinder structure, which can prevent the insertion cylinder 3 from rotating relative to the wheel seat insertion cavity 10, and ensure the firm installation of the wheel mounting seat.

[0029] The elastic strip 5 gradually inclines to the outside of the insertion cylinder 3 from the lower end to the upper end thereof under the condition of no external force. After the insertion cylinder 3 is inserted into the wheel seat insertion cavity 10, the elastic strip 5 has an outward elastic force, which ensures that the clamping block 6 is firmly clamped in the clamping hole 11 or the clamping groove.

[0030] The positioning table 2 is a square plate. After the insertion cylinder 3 is inserted into the wheel seat insertion cavity 10, the square plate covers the opening of the wheel seat insertion cavity 10.

[0031] The positioning surface is an inclined surface which gradually inclines upward from the left side to the right side thereof. The inclination of the positioning surface is just adapted to the inclination of the side surface of the box body 9, so as to ensure that the positioning surface is closely combined with the side surface of the box body 9.

[0032] Referring to Figure 4 、 Figure 5 In some embodiments of the utility model, the box wheel mounting structure comprises a box body 9, and further comprises the aforementioned wheel mounting seat. The side surface of the box body 9 is provided with a wheel seat insertion cavity 10. The cavity wall of the wheel seat insertion cavity 10 is provided with a clamping hole 11 or a clamping groove. The insertion cylinder 3 of the wheel mounting seat is inserted into the wheel seat insertion cavity 10, and the clamping block 6 of the wheel mounting seat is clamped into the clamping hole 11 or the clamping groove. When the wheel mounting seat is installed into the box body 9, the insertion cylinder 3 can be matched with the wheel seat insertion cavity 10, and the clamping block 6 can be matched with the clamping hole 11, so as to facilitate the installation of the wheel mounting seat.

[0033] The box 9 is a shell structure, the side wall of the box 9 is provided with a wheel seat insertion chamber 10 recessed to the inside of the box 9, the part of the wheel seat insertion chamber 10 close to the bottom wall of the box 9 is provided with a partition plate 12, the bottom wall of the box 9 is provided with a first through hole 13 and a second through hole 14 corresponding to the partition plate 12, the first through hole 13 and the second through hole 14 are communicated to form the clamping hole 11, and a plurality of connecting plates 15 are arranged between the bottom wall of the box 9 and the partition plate 12. The partition plate 12 and the connecting plate 15 are arranged to increase the structural strength of the chamber wall of the wheel seat insertion chamber 10, in particular the structural strength of the clamping hole 11, so as to ensure the firm mounting of the wheel mounting seat.

[0034] The utility model provides a kind of caster mounting seat, and box caster mounting structure is improved, so as to facilitate the installation of caster, and it can ensure that caster is firmly installed, after the above improvement, the steps of installing caster on box 9 are as follows: first, make caster connect with caster mounting part 1, as shown in Figure 4 Caster connecting column is inserted into caster connecting hole 8, and the connection between the connecting column of caster and the caster connecting hole 8 can adopt interference fit, threaded connection and different forms, so as to realize the fixed connection between caster and caster mounting seat.Then insert the insertion barrel 3 of caster mounting seat into the wheel seat insertion chamber 10 of box 9, during insertion, elastic strip 5 bends to the inside of insertion barrel 3, to ensure that clamping block 6 can smoothly enter insertion chamber 10, after a certain depth is inserted, the upper side of positioning platform 2 is tightly attached to the side of box 9, while elastic strip 5 rebounds, clamping block 6 is clamped in clamping hole 11, to ensure that insertion barrel 3 does not come out from insertion chamber 10, finally, make caster mounting seat, caster firmly installed on box 9.

[0035] The box 9 and the caster mounting seat in the utility model are preferably made of plastic material, and no metal fastener can be seen outside after installing caster, which not only facilitates the installation of caster, but also ensures the firm installation of caster.

[0036] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0037] The terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise stated, the meaning of "a plurality of" is two or more.

[0038] In the description of the application, it should be noted that unless otherwise expressly specified and limited, the terms "mounting", "connection", "connecting" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0039] The above is only the preferred embodiment of the present application, and it should be pointed out that for those skilled in the art, without departing from the technical principles of the present application, a number of improvements and substitutions can be made, and these improvements and substitutions should also be considered as the protection scope of the present application.

Claims

1. A caster mounting base comprising a caster mounting portion (1), characterized in that, The top of the caster mounting part (1) is provided with a positioning table (2), the upper side of the positioning table (2) is a positioning surface, a plug-in barrel (3) extending upward is connected at the positioning surface, the plug-in barrel (3) is a non-cylindrical body, an opening (4) is arranged on the barrel wall of the plug-in barrel (3), an elastic strip (5) extending upward is connected at the lower side of the opening (4), and the upper end of the elastic strip is provided with a clamping block (6) protruding outward of the plug-in barrel (3).

2. The caster mount of claim 1, wherein, The caster mounting part (1) is a cylindrical body, and a blocking plate (7) is arranged in the cylindrical body.

3. The caster mount of claim 2, wherein, The cylindrical caster mounting part (1) is a circular cylinder.

4. The caster mount of claim 2, wherein, The bottom surface of the blocking plate (7) is higher than the lower side of the cylindrical body of the caster mounting part (1).

5. The caster mount of claim 1, wherein, The plug-in barrel (3) is a square barrel, and the opening (4) is arranged on the right side of the square barrel.

6. The caster mount of claim 1, wherein, The elastic strip (5) gradually inclines outward of the plug-in barrel (3) from the lower end to the upper end of the elastic strip under the condition of no external force.

7. The caster mount of claim 1, wherein, The positioning table (2) is a square plate.

8. The caster mount of claim 1, wherein, The positioning surface is an inclined surface gradually inclining upward from the left side to the right side.

9. A case caster mounting structure comprising a case (9), characterized by The box body caster mounting structure further comprises the caster mounting seat according to any one of claims 1 to 8, a wheel seat plug-in chamber (10) is arranged on the side of the box body (9), a clamping hole (11) or a clamping groove is arranged on the cavity wall of the wheel seat plug-in chamber (10), the plug-in barrel (3) on the caster mounting seat is inserted into the wheel seat plug-in chamber (10), and the clamping block (6) on the caster mounting seat is clamped into the clamping hole (11) or the clamping groove.

10. The caster wheel mounting structure for a case according to Claim 9, wherein The box body (9) is a shell structure, a wheel seat plug-in chamber (10) recessed into the box body (9) is arranged on the side wall of the box body (9), a partition plate (12) is arranged at the position close to the bottom wall of the box body (9) in the wheel seat plug-in chamber (10), a first through hole (13) and a second through hole (14) are arranged on the bottom wall of the box body (9) and the partition plate (12) correspondingly, the first through hole (13) and the second through hole (14) are communicated to form the clamping hole (11), and a plurality of connecting plates (15) are arranged between the bottom wall of the box body (9) and the partition plate (12).

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