CN212098275U - Rubber buffer cushion for trundles - Google Patents

Abstract

The utility model discloses a truckle rubber buffer, the connecting plate comprises a connecting plate, the top center department fixedly connected with connecting rod of connecting plate, the week side of connecting rod is provided with the buffer, the top threaded connection of connecting rod has the five-star foot, the bottom of connecting plate is rotated and is connected with the wheel carrier, the bottom of wheel carrier is rotated and is connected with the rubber wheel. Through setting up circular blind hole below the blotter, in the use, circular blind hole is connected with the circular arch on the connecting plate for the blotter is fixed on the connecting plate, and can not take place the skew, guarantees that the atress is even, improves the life-span of blotter, is provided with the annular groove in the top of blotter, makes when the distance between adjusting connection board and five-star foot, when avoiding the first half skew, also avoids hindering the rotation of connecting plate.

Description

Rubber buffer cushion for trundles

Technical Field

The utility model relates to a blotter field especially relates to a truckle rubber blotter.

Background

The caster is a general name, and comprises a movable caster, a fixed caster and a movable caster with a brake. The movable caster wheel is also called a universal wheel, and the structure of the movable caster wheel allows 360-degree rotation; the fixed caster is also called a directional caster, and has no rotating structure and can not rotate. Generally, two types of casters are used in combination, such as a cart having two directional wheels at the front and two universal wheels at the rear adjacent the push arm. The truckle has the truckle of multiple material, like PP truckle, PVC truckle, PU truckle, cast iron truckle, nylon truckle, TPR truckle, iron core nylon truckle, iron core PU truckle etc..

Current truckle when being connected with the five-star foot, can insert into the hole that the five-star foot was reserved with the connecting rod in, nevertheless after inserting, can lead to the slope of five-star foot because the error of truckle itself, at this moment just need adjust the threaded rod and insert the degree of depth in the five-star foot, the clearance that leaves when needing the blotter to fill the adjustment simultaneously, current blotter is only simple cylinder, can take place to twist reverse at rotatory in-process, lead to truckle and five-star foot to be connected unstablely, and make the life-span reduction of blotter itself.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a rubber buffer cushion for a caster.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a truckle rubber buffer, includes the connecting plate, the top center department fixedly connected with connecting rod of connecting plate, the week side of connecting rod is provided with the buffer, the top threaded connection of connecting rod has the five-pointed star foot, the bottom of connecting plate is rotated and is connected with the wheel carrier, the bottom of wheel carrier is rotated and is connected with the rubber wheel.

As a further description of the above technical solution:

the novel buffer structure is characterized in that an annular groove is formed in the top end of the buffer pad, a plurality of circular blind holes are formed in the bottom end of the buffer pad, the blind holes are formed in the center between the inner ring and the outer ring of the buffer pad, and the blind holes are three in total and arranged in a regular triangle shape.

As a further description of the above technical solution:

the material of blotter is polypropylene, the inside packing of blotter has the calcium carbonate master batch.

As a further description of the above technical solution:

the connecting rod is provided with corresponding external screw thread in the junction with the five-pointed star foot, the five-pointed star foot is provided with corresponding internal screw thread in the junction with the connecting rod.

As a further description of the above technical solution:

the connecting part of the top end of the connecting plate and the cushion pad is provided with a plurality of circular bulges.

As a further description of the above technical solution:

and annular bulges are arranged at the joints of the bottom ends of the five-star feet and the cushion pad.

The utility model discloses following beneficial effect has: 1. the utility model discloses a set up circular blind hole below the blotter, in the use, circular blind hole is connected with the circular arch on the connecting plate for the blotter is fixed on the connecting plate, and can not take place the skew, guarantees that the atress is even, improves the life-span of blotter.

2. The utility model discloses a top at the blotter is provided with the annular groove for when adjusting the distance between connecting plate and the five-pointed star foot, when avoiding the first half skew, also avoid hindering the rotation of connecting plate.

Drawings

Fig. 1 is a schematic view of the overall structure of a rubber cushion pad for a caster according to the present invention;

FIG. 2 is a front cross-sectional view of a rubber cushion of the caster provided by the present invention;

FIG. 3 is a top view of a rubber cushion for a caster provided in the present invention;

fig. 4 is a bottom view of the rubber bumper pad of the caster of the present invention.

Illustration of the drawings: 1. a connecting plate; 2. a wheel carrier; 3. a rubber wheel; 4. a cushion pad; 5. five-star feet; 6. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do 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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a truckle rubber buffer, including connecting plate 1, the top center department fixedly connected with connecting rod 6 of connecting plate 1, come connecting plate 1 and five-star foot 5 to be connected through connecting rod 6, the week side of connecting rod 6 is provided with blotter 4, avoid the contact between connecting plate 1 and the five-star foot 5, reduce the collision between the metal, the top threaded connection of connecting rod 6 has five-star foot 5, support five universal wheels through five-star foot 5, the bottom of connecting plate 1 is rotated and is connected with wheel carrier 2, the bottom of wheel carrier 2 is rotated and is connected with rubber wheel 3, make up into a universal wheel.

The top of blotter 4 is provided with the annular groove, avoids certain one side of blotter 4 too partial to one side, and the bottom of blotter 4 is provided with a plurality of circular blind holes for establish connection with connecting plate 1, when connecting plate 1 rotates, blotter 4 together rotates, and a plurality of blind holes set up the center department between the inner circle of blotter 4 and outer lane, and a plurality of blind holes are totally three and are regular triangle-shaped and arrange stable in structure. The material of blotter 4 is polypropylene, and the trade mark of polypropylene is L5E89, and the inside packing of blotter 4 has the calcium carbonate master batch, has good shock-absorbing capacity. The connecting rod 6 is provided with corresponding external screw thread at the junction with the five-star foot 5, and the five-star foot 5 is provided with corresponding internal screw thread at the junction with the connecting rod 6. The junction of the top of connecting plate 1 and blotter 4 is provided with a plurality of circular archs for with the circular blind hole connection of blotter 4. The bottom end of the five-pointed star foot 5 is provided with an annular bulge at the joint of the cushion pad 4, and the annular bulge is connected with an annular groove of the cushion pad 4.

The working principle is as follows: through set up circular blind hole in blotter 4 below, in the use, circular blind hole is connected with the circular arch on the connecting plate 1 for blotter 4 is fixed on connecting plate 1, and can not take place the skew, guarantees that the atress is even, improves blotter 4's life-span. Through being provided with the annular groove in the top of blotter 4 for when adjusting the distance between connecting plate 1 and five-pointed star 5, when avoiding the first half skew, also avoid hindering the rotation of connecting plate 1.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. A truckle rubber buffer, includes connecting plate (1), its characterized in that: the top center department fixedly connected with connecting rod (6) of connecting plate (1), the week side of connecting rod (6) is provided with blotter (4), the top threaded connection of connecting rod (6) has five star foot (5), the bottom of connecting plate (1) is rotated and is connected with wheel carrier (2), the bottom of wheel carrier (2) is rotated and is connected with rubber wheel (3).

2. The caster rubber cushion as defined in claim 1, wherein: the novel buffer structure is characterized in that an annular groove is formed in the top end of the buffer pad (4), a plurality of circular blind holes are formed in the bottom end of the buffer pad (4), the blind holes are formed in the center between the inner ring and the outer ring of the buffer pad (4), and the blind holes are three in total and arranged in a regular triangle shape.

3. The caster rubber cushion as defined in claim 1, wherein: the material of blotter (4) is polypropylene, the inside packing of blotter (4) has the calcium carbonate master batch.

4. The caster rubber cushion as defined in claim 1, wherein: the connecting rod (6) is provided with corresponding external screw thread in the junction with five star foot (5), five star foot (5) are provided with corresponding internal screw thread in the junction with connecting rod (6).

5. The caster rubber cushion as defined in claim 1, wherein: the connecting part of the top end of the connecting plate (1) and the cushion pad (4) is provided with a plurality of circular bulges.

6. The caster rubber cushion as defined in claim 1, wherein: and an annular bulge is arranged at the joint of the bottom end of the five-star foot (5) and the cushion pad (4).

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