CN218519479U

CN218519479U - Caster wheel

Info

Publication number: CN218519479U
Application number: CN202123120393.4U
Authority: CN
Inventors: 严施聪
Original assignee: Foshan Benyu Truckle Co ltd
Current assignee: Foshan Benyu Truckle Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2023-02-24
Anticipated expiration: 2031-12-02

Abstract

The utility model discloses a caster, include: a connecting assembly; the mounting seat is provided with a mounting area which is connected and matched with the connecting component; the wheel body is rotatably connected with the mounting seat; the horizontal cross section of the mounting area is rectangular, and two corners of at least one end of the mounting area are rounded corners. Adopt above-mentioned structure, set up two angles of the at least one end of installing zone into the radius angle, and the horizontal cross section of installing zone is the rectangle, and the atress dispersion is in the radius angle department of rectangle, and the bearing can be better, and the structure is more firm.

Description

Caster wheel

Technical Field

The utility model relates to a truckle technical field, in particular to truckle.

Background

Currently, casters are typically mounted to the bottom of chairs (e.g., office chairs), transportation devices, etc. to facilitate movement. The traditional caster comprises a caster body, a mounting seat and a connecting assembly, wherein the caster body is rotatably connected with the mounting seat, one end of the connecting assembly is connected with the mounting seat, and the other end of the connecting assembly is connected with the conveying device; however, the outer profile of the horizontal cross section of the conventional mounting seat is a circular structure, so that when the caster is transported, the bearing capacity of the caster is poor, and the structural stability of the caster is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a truckle, truckle bearing capacity is better, stable in structure.

According to the utility model discloses truckle, include: a connection assembly; the mounting seat is provided with a mounting area which is connected and matched with the connecting component; the wheel body is rotatably connected to the mounting seat; the horizontal cross section of the mounting area is rectangular, and two corners of at least one end of the mounting area are rounded corners.

According to the utility model discloses truckle has following beneficial effect at least: adopt above-mentioned structure, set up two angles of the at least one end of installing zone into the radius angle, and the horizontal cross section of installing zone is the rectangle, and the atress dispersion is in the radius angle department of rectangle, and the bearing can be better, and the structure is more firm.

According to some embodiments of the utility model, coupling assembling deviate from in the middle part of installing zone just is close to radius angle department sets up.

According to some embodiments of the invention, the coupling assembling with mount pad level ground of rotating is connected.

According to some embodiments of the utility model, the installing zone is provided with the installation through-hole, coupling assembling includes ripples dish structure and connecting rod, ripples dish structure encircles the installation through-hole is arranged, the connecting rod is worn to locate ripples dish structure with the installation through-hole, just the connecting rod with ripples dish structure fixed connection.

According to some embodiments of the utility model, the installing zone is provided with and is located first annular groove, the second annular groove of the upper and lower surface of installing zone, first annular groove with the second annular groove all encircles the installation through-hole is arranged, the wave disc structure includes: the upper wave disc is positioned on the upper surface of the mounting area, and a third annular groove corresponding to the first annular groove is formed in the upper wave disc; a first set of beads located between the first annular groove and the third annular groove; the lower wave disc is positioned on the lower surface of the mounting area, and a fourth annular groove corresponding to the second annular groove is formed in the lower wave disc; a second set of beads located between the second annular groove and the third annular groove; the connecting rod wears to locate in proper order the ripples dish, first ripples pearl group ripples dish down with second ripples pearl group, the connecting rod with ripples dish fixed connection down, just be provided with on the connecting rod and be used for the restriction it is dorsad to go up the ripples dish the locating part that the mount pad removed.

According to some embodiments of the utility model, be provided with screw thread portion on the connecting rod, the locating part be with screw thread portion spiro union complex fixing bolt, fixing bolt's lower surface with the upper surface looks butt of upwelling dish.

According to some embodiments of the utility model, keep away from on the connecting rod the one end of mount pad be provided with fifth annular groove and with fifth annular groove joint complex holding ring, the holding ring can be relative fifth annular groove reciprocates.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a caster according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a caster according to an embodiment of the present invention;

fig. 3 is another perspective structure diagram of the caster according to the embodiment of the present invention;

fig. 4 is an exploded view of a caster according to an embodiment of the present invention;

reference numerals:

the connecting assembly 10, the wave disc structure 11, the upper wave disc 111, the first glass bead group 112, the lower wave disc 113, the second glass bead group 114, the connecting rod 12, the fifth annular groove 121 and the positioning ring 122;

the mounting seat 20, the mounting area 21, the fillet 211 and the mounting through hole 212;

a wheel body 30 and a limiting piece 40.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if there are first and second descriptions for distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the description and illustration of the present invention, unless otherwise clearly defined, words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.

As shown in fig. 1 to 4, the caster according to the embodiment of the present invention includes: a connecting assembly 10; the mounting seat 20 is provided with a mounting area 21 which is connected and matched with the connecting assembly 10; a wheel body 30 rotatably connected to the mounting base 20; wherein, the horizontal cross section of the installation area 21 is rectangular, and two corners of one end of the installation area 21 are set to be rounded corners 211.

According to the utility model discloses the truckle adopts above-mentioned structure, sets up two angles of the one end of installing zone 21 into radius angle 211, and the horizontal cross section of installing zone 21 is the rectangle, and the atress dispersion is in the radius angle 211 department of rectangle, and the bearing can be better, and the structure is more firm.

It should be noted that, the mounting area 21 of the mounting base 20 has a rectangular horizontal cross section, and two corners at one end of the mounting area are rounded 211, so that compared with the circular shape in the prior art, the deformation of the punch forming material is more controllable and stable than the circular shape.

Of course, in some embodiments, two ends, i.e., four corners, of the mounting region 21 may also be rounded 211, which is not limited herein.

It will be appreciated that, as shown in fig. 1-4, in some embodiments of the present invention, the connecting assembly 10 is offset from the middle of the mounting area 21 and disposed near the rounded corners 211, which can further distribute the force applied to the rectangular rounded corners 211.

It will be appreciated that in some embodiments of the present invention, coupling assembly 10 is horizontally rotatably coupled to mount 20. The caster is attached to the bottom of a chair (e.g., an office chair), a transportation device, etc. by the connecting assembly 10. By adopting the structure, the wheel body 30 is driven by the mounting seat 20 to rotate horizontally, so that the direction can be changed conveniently.

As shown in fig. 1 to 4, in some embodiments of the present invention, the installation area 21 is provided with an installation through hole 212, the connection assembly 10 includes the wave plate structure 11 and the connection rod 12, the wave plate structure 11 is arranged around the installation through hole 212, the connection rod 12 is disposed through the wave plate structure 11 and the installation through hole 212, and the connection rod 12 is fixedly connected to the wave plate structure 11. By adopting the structure, the connecting rod 12 and the wave disc structure 11 ensure that the mounting seat 20 has better rotating stability and is not easy to shake when horizontally rotating.

As shown in fig. 1 to 4, in some embodiments of the present invention, the mounting area 21 is provided with a first annular groove and a second annular groove located on the upper and lower surfaces of the mounting area 21, the first annular groove and the second annular groove are all arranged around the mounting through hole 212, and the wave disk structure 11 includes: the upper wave plate 111 is positioned on the upper surface of the mounting area 21, and a third annular groove corresponding to the first annular groove is formed in the upper wave plate 111; a first bead set 112 located between the first annular groove and the third annular groove; the lower wave plate 113 is positioned on the lower surface of the mounting area 21, and a fourth annular groove corresponding to the second annular groove is formed in the lower wave plate 113; a second set of beads 114 located between the second annular groove and the third annular groove; the connecting rod 12 sequentially penetrates through the upper wave plate 111, the first wave bead group 112, the lower wave plate 113 and the second wave bead group 114, the connecting rod 12 is fixedly connected with the lower wave plate 113, and the connecting rod 12 is provided with a limiting piece 40 for limiting the movement of the upper wave plate 111 back to the mounting base 20. By adopting the structure, the first bead group 112, the first annular groove and the third annular groove are adopted, and the second bead group 114, the second annular groove and the fourth annular groove are matched, so that the caster can be reversed when horizontally rotating, the stability is further improved, the positioning is reliable, the upper wave plate 111 can be prevented from moving up and down through the limiting part 40, the stability of the wave plate structure 11 is improved, and the structure is compact and reasonable.

The connecting rod 12 and the lower swash plate 113 are connected by caulking.

As shown in fig. 1 to 4, in some embodiments of the present invention, a screw thread portion is provided on the connecting rod 12, the limiting member 40 is a fixing bolt matched with the screw thread portion in a screw manner, a lower surface of the fixing bolt is abutted against an upper surface of the upper wave plate 111, the structure is simple, the dismounting and the maintenance are convenient, and the manufacturing and processing costs are low.

In some embodiments of the present invention, a fifth annular groove 121 and a positioning ring 122 engaged with the fifth annular groove 121 are disposed at an end of the connecting rod 12 away from the mounting seat 20, the positioning ring 122 can move up and down relative to the fifth annular groove 121, a clamping space is formed between a side surface of the positioning ring 122 and a side surface of the fifth annular groove 121, and the caster can be positioned at the bottom of a chair (e.g., an office chair), a transportation device, etc. through the clamping space.

All possible combinations of the technical features in the above embodiments may not be described for the sake of brevity, but should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.

Claims

1. A caster, comprising:

a connection assembly (10);

the mounting seat (20) is provided with a mounting area (21) which is connected and matched with the connecting component (10);

a wheel body (30) rotatably connected to the mounting base (20);

the horizontal cross section of the mounting area (21) is rectangular, and two corners of at least one end of the mounting area (21) are set to be rounded corners (211).

2. The caster according to claim 1, characterized in that said connection assembly (10) is arranged offset from the middle of said mounting area (21) and close to said rounded corner (211).

3. The caster according to claim 1, characterized in that said connection assembly (10) is connected with said mounting seat (20) horizontally rotating.

4. A castor according to claim 3, characterized in that said mounting area (21) is provided with a mounting through hole (212), said connecting assembly (10) comprises a wave disc structure (11) and a connecting rod (12), said wave disc structure (11) is arranged around said mounting through hole (212), said connecting rod (12) is arranged through said wave disc structure (11) and said mounting through hole (212), and said connecting rod (12) is fixedly connected with said wave disc structure (11).

5. The caster according to claim 4, characterized in that said mounting area (21) is provided with a first annular groove, a second annular groove located on the upper and lower surfaces of said mounting area (21), said first and second annular grooves being each arranged around said mounting through hole (212), said wave disc structure (11) comprising:

the upper wave plate (111) is positioned on the upper surface of the mounting area (21), and a third annular groove corresponding to the first annular groove is formed in the upper wave plate (111);

a first set of beads (112) located between the first annular groove and the third annular groove;

the lower wave plate (113) is positioned on the lower surface of the mounting area (21), and a fourth annular groove corresponding to the second annular groove is formed in the lower wave plate (113);

a second set of beads (114) located between the second annular groove and the third annular groove;

connecting rod (12) wear to locate in proper order wave dish (111), first wave pearl group (112), wave dish (113) down with second wave pearl group (114), connecting rod (12) with wave dish (113) fixed connection down, just be provided with on connecting rod (12) and be used for the restriction wave dish (111) dorsad locating part (40) that mount pad (20) removed.

6. The caster according to claim 5, wherein the connecting rod (12) is provided with a threaded portion, and the stopper (40) is a fixing bolt screwed with the threaded portion, and a lower surface of the fixing bolt abuts against an upper surface of the wave plate (111).

7. The caster according to claim 4 or 5, wherein a fifth annular groove (121) and a positioning ring (122) in snap fit with the fifth annular groove (121) are arranged at one end of the connecting rod (12) far away from the mounting seat (20), and the positioning ring (122) can move up and down relative to the fifth annular groove (121).