CN217671978U - Anti-degumming polyurethane caster wheel - Google Patents

Abstract

The utility model relates to a rubber coating wheel technical field especially relates to a polyurethane truckle of anticreep glue, include: wheel core and foreign steamer cover, the wheel core outer peripheral face is around there being the annular arch, has a plurality of first pore on the annular arch, and the extending direction in first pore is unanimous with the axis direction of wheel core, and the shaping has the first rib with the same material of foreign steamer cover in the first pore, and foreign steamer cover cladding is on wheel core and the bellied outer peripheral face of annular, the utility model discloses it is protruding to set up the annular on the outer peripheral face of wheel core to set up a plurality of first pore in the annular arch, when the shaping foreign steamer cover, the first rib of shaping in first pore simultaneously, first rib and foreign steamer cover formula structure as an organic whole to improve the cohesion of wheel core and foreign steamer, prevent that foreign steamer cover from taking place relative slip after long-term the use between with the wheel core, thereby influence the result of use of wheel.

Description

Anti-degumming polyurethane caster

Technical Field

The utility model relates to a rubber coating wheel technical field especially relates to a polyurethane truckle of anticreep glue.

Background

In the transportation process, transportation devices such as dollies and flat cars are often used to facilitate transportation. These transport devices are generally made of rubber, plastic or polyurethane materials and the like, and are wrapped outside a metal steel ring to form trolley wheels, so that jolting and shaking caused by contact with the ground can be reduced in the transport transmission process. However, due to the defects of poor adhesion between rubber, plastic or polyurethane and the metal framework, easy aging and the like, in the long-term use process, the outer wheel sleeve made of rubber, plastic or polyurethane is easy to slide relative to the metal framework, so that the degumming phenomenon occurs in the transportation process, and the service life of the wheel is influenced.

In view of the above problems, it is desired to create a degumming-proof polyurethane caster wheel, which is more practical.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the utility model provides an anti-degumming's polyurethane truckle improves the joint strength between wheel core and the foreign steamer cover, prevents that the wheel from using for a long time and taking place the phenomenon of coming unstuck.

In order to achieve the purpose, the utility model adopts the technical proposal that: an anti-adhesive polyurethane caster comprising: wheel core and foreign steamer cover, the wheel core outer peripheral face is around having annular protrusion, annular protrusion is last to have a plurality of first pore, the extending direction in first pore with the axis direction of wheel core is unanimous, the shaping have with the first rib of the same material of foreign steamer cover in the first pore, foreign steamer cover cladding in the wheel core with on the annular protrusion's the outer peripheral face.

Further, the annular bulge is the same as the distance between the edges of the two sides of the wheel core.

Further, a plurality of the first pore passages are distributed along the circumferential direction of the annular bulge.

Further, the ratio of the width of the annular protrusion in the axial direction thereof to the width of the wheel core in the axial direction thereof is 0.6 to 0.8.

Furthermore, the wheel core comprises a wheel hub and a wheel disc sleeved on the outer peripheral surface of the wheel hub, the wheel disc is pressed on the wheel hub in a press fit mode, and the annular bulge is annularly arranged on the wheel disc.

Furthermore, the wheel disc is divided into a plurality of disc bodies along the axial direction of the wheel disc, each disc body is correspondingly provided with the annular bulge, the outer wheel sleeve is divided into a plurality of ring bodies along the axial direction of the outer wheel sleeve, the number of the ring bodies is equal to that of the disc bodies, and the ring bodies are coated on the outer peripheral surfaces of the disc bodies and the annular bulges.

Furthermore, a plurality of radial second pore channels are arranged on the peripheral surface of the annular protrusion towards the axis of the annular protrusion, each second pore channel is correspondingly communicated with one of the first pore channels, and second ribs made of the same material as the outer wheel sleeve are formed in the second pore channels.

Further, the second hole is located at a middle position in the axial direction of the annular protrusion itself.

Further, first pore is the blind hole, including the third pore of two coaxial lines, two the third pore is separated each other, the protruding outer peripheral face of annular is provided with two rings towards self axis and is radial fourth pore, every the fourth pore all corresponds the intercommunication and is located the homonymy the third pore, the shaping has with the third rib of outer round cover with the material in the fourth pore.

The utility model has the advantages that: the utility model discloses it is protruding to set up the annular on the outer peripheral face of wheel core to set up a plurality of first pores in the annular is protruding, when the shaping outer wheel cover, the first rib of shaping in first pore simultaneously, first rib and outer wheel cover formula structure as an organic whole, thereby improve the cohesion of wheel core and outer wheel cover, prevent that outer wheel cover from taking place relative slip after long-term the use between with the wheel core, thereby influence the result of use of wheel.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of an anti-adhesive polyurethane caster according to a first embodiment of the present invention;

fig. 2 is a schematic structural view of an anti-adhesive polyurethane caster (without an outer wheel sleeve) according to a first embodiment of the present invention;

fig. 3 is a schematic structural view of a degumming-proof polyurethane caster according to a second embodiment of the present invention;

fig. 4 is a schematic structural view of a degumming-proof polyurethane caster (without an outer wheel sleeve) in a third embodiment of the present invention;

fig. 5 is a front view of a third embodiment of the present invention, showing a glue-removal preventive polyurethane caster;

fig. 6 isbase:Sub>A sectional view of the anti-adhesive polyurethane caster of the third embodiment of the present invention atbase:Sub>A positionbase:Sub>A-base:Sub>A;

fig. 7 is a cross-sectional view of a polyurethane caster wheel for preventing adhesive failure according to a fourth embodiment of the present invention.

Reference numerals are as follows: 1. a wheel core; 2. an outer wheel sleeve; 3. an annular projection; 4. a first rib; 5. a second rib; 6. a third aperture; 7. a third rib; 8. a hub; 9. a tray body; 10. a first duct; 11. A second aperture; 12. a ring body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Example one

The degumming prevention polyurethane caster as shown in fig. 1 to 2 comprises: wheel core 1 and foreign steamer cover 2, 1 outer peripheral face of wheel core is around having annular arch 3, annular arch 3 is last to have a plurality of first pore 10, the extending direction of first pore 10 is unanimous with the axis direction of wheel core 1, the shaping has first rib 4 with foreign steamer cover 2 with the material in the first pore 10, the cladding of foreign steamer cover 2 is on the outer peripheral face of wheel core 1 and annular arch 3, the wheel core 1 that this embodiment discloses and annular arch 3 formula structure as an organic whole, the material is conventional metal material, the cast molding, foreign steamer cover 2 and first rib 4 select for use bearing capacity big, tear strength is high, the high polyurethane elastomer material of distortion modulus, the processing method of first pore 10 can be when preparing annular arch 3, form through setting up the mould, also can make at the later stage drilling processing, foreign steamer cover 2 and first rib 4 take shape and refer to the processing method of polyurethane part in wheel core 1 and annular arch 3 outer peripheral face reference, give unnecessary details here, set up first rib 4 in annular arch 3, thereby prevent in the use process of wheel core, the long-term slip connection has improved the stability with this embodiment relatively.

In order to ensure that the two sides of the wheel core 1 at the two sides are uniformly stressed, the distances between the annular bulge 3 and the edges at the two sides of the wheel core 1 are the same, and the plurality of first pore passages 10 are distributed along the circumferential direction of the annular bulge 3.

As further specifically disclosed, the ratio of the width of the annular protrusion 3 in the axial direction to the width of the wheel core 1 in the axial direction is 0.6-0.8, and the ratio of the width of the annular protrusion 3 to the width of the wheel core 1 in the interval not only can ensure the connection strength between the first rib 4 and the outer wheel sleeve 2, but also can ensure that the two side edges of the outer wheel sleeve 2 can be stressed in the long-term use process, thereby prolonging the service life.

Example two

The degumming-proof polyurethane caster wheel shown in fig. 2 is different from the first embodiment in that the wheel core 1 comprises a wheel hub 8 and a wheel disc sleeved on the outer peripheral surface of the wheel hub 8, the wheel disc is press-fitted on the wheel hub 8, the annular bulge 3 is annularly arranged on the wheel disc, the wheel disc is divided into a plurality of disc bodies 9 along the axial direction of the wheel disc, the annular bulge 3 is correspondingly arranged on each disc body 9, the outer wheel sleeve 2 is divided into a plurality of ring bodies 12 along the axial direction of the outer wheel sleeve, the number of the ring bodies 12 is equal to that of the disc bodies 9, and the ring bodies 12 are wrapped on the outer peripheral surfaces of the disc bodies 9 and the annular bulge 3.

Specifically in this embodiment, the quantity of disk body 9 and ring body 12 is 4, all be provided with the annular of round protruding 3 on every disk body 9, foreign steamer cover 2 adopts the polyurethane material, at first the shaping is on disk body 9 and the protruding 3 outer peripheral face of annular, later adopt the mode of pressing to join in marriage to locate wheel hub 8's outer lane with disk body 9 cover of metal material, more optimally, wheel hub 8's outer lane is designed into the middle wheel footpath greatly, the little arcwall face in both ends wheel footpath, and simultaneously, wheel hub 8 and foreign steamer 2's outer lane also designs corresponding structure, make it can be adapted to the orbital transportation of arc.

EXAMPLE III

The degumming-proof polyurethane caster wheel shown in fig. 3-5 is different from the first embodiment in that the outer peripheral surface of the annular protrusion 3 is provided with a plurality of second radial ducts 11 towards the axis of the annular protrusion, each second duct 11 is correspondingly communicated with one of the first ducts 10, second ribs 5 made of the same material as the outer wheel sleeve 2 are formed in the second ducts 11, and the middle of each first rib 4 is connected with the outer wheel sleeve 2 through the second ribs 5, so that the connection area is increased, and the connection strength is further improved.

Example four

As the polyurethane truckle that prevents coming unstuck that fig. 6 shows, the difference with embodiment one is, first pore 10 is the blind hole, third pore way 6 including two coaxial lines, two third pore ways 6 are interval each other, 3 outer peripheral faces of annular bulge are provided with the ring towards self axis and are radial fourth pore, every fourth pore all corresponds the third pore way 6 that the intercommunication is located the homonymy, the shaping has third rib 7 with outer wheel cover 2 with the material in the fourth pore way, third rib 7 is connected first rib 4 in with third pore way 6 with outer wheel cover 2, the length of third rib 7 has been shortened, prevent to take place the fracture in the long-term use, simultaneously shorter third rib 7 makes outer wheel cover 2 higher with the joint strength of wheel core 1, the relative slip volume that can produce is littleer.

It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (9)

1. An anti-adhesive polyurethane caster, comprising: wheel core (1) and foreign steamer cover (2), wheel core (1) outer peripheral face is around having annular arch (3), a plurality of first pore (10) have on annular arch (3), the extending direction of first pore (10) with the axis direction of wheel core (1) is unanimous, the shaping has in first pore (10) with first rib (4) of foreign steamer cover (2) with the material, foreign steamer cover (2) cladding in wheel core (1) with on the outer peripheral face of annular arch (3).

2. The degumming-proof polyurethane castor according to claim 1, wherein the distance between the annular protrusion (3) and the two side edges of the wheel core (1) is the same.

3. The degumming-resistant polyurethane castor according to claim 1, wherein a plurality of said first ducts (10) are circumferentially distributed along said annular protuberance (3).

4. The glue-shedding preventing polyurethane caster according to claim 2, wherein the ratio of the width of the annular protrusion (3) in the axial direction thereof to the width of the wheel core (1) in the axial direction thereof is 0.6 to 0.8.

5. The degumming-proof polyurethane caster according to any one of claims 1 to 4, characterized in that the wheel core (1) comprises a wheel hub (8) and a wheel disc sleeved on the outer circumferential surface of the wheel hub (8), the wheel disc is press-fitted on the wheel hub (8), and the annular bulge (3) is annularly arranged on the wheel disc.

6. The degumming-proof polyurethane caster wheel according to claim 5, wherein the caster wheel is divided into a plurality of disk bodies (9) along the axial direction, each disk body (9) is correspondingly provided with the annular protrusion (3), the outer wheel sleeve (2) is divided into a plurality of ring bodies (12) along the axial direction, the number of the ring bodies (12) is equal to that of the disk bodies (9), and the ring bodies (12) are coated on the outer peripheral surfaces of the disk bodies (9) and the annular protrusions (3).

7. The degumming-proof polyurethane caster wheel according to any one of claims 1 to 4, wherein the outer peripheral surface of the annular protrusion (3) is provided with a plurality of radial second pore channels (11) towards the axis thereof, each second pore channel (11) is correspondingly communicated with one of the first pore channels (10), and second ribs (5) which are made of the same material as the outer wheel sleeve (2) are molded in the second pore channels (11).

8. The degumming-resistant polyurethane castor according to claim 7, wherein said second duct (11) is located in the middle of the annular protuberance (3) in the direction of its own axis.

9. The degumming-proof polyurethane caster wheel according to any one of claims 1 to 4, wherein the first pore channel (10) is a blind hole and comprises two coaxial third pore channels (6), the two third pore channels (6) are mutually spaced, two rings of radial fourth pore channels are arranged on the peripheral surface of the annular protrusion (3) towards the axis of the annular protrusion, each fourth pore channel is correspondingly communicated with the third pore channel (6) positioned on the same side, and third ribs (7) which are made of the same material as the outer wheel sleeve (2) are formed in the fourth pore channels.

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