CN212889716U

CN212889716U - Bearing outer ring limiting rubber coating integrated one-step forming rubber coating wheel

Info

Publication number: CN212889716U
Application number: CN202022108996.1U
Authority: CN
Inventors: 薛磊
Original assignee: Shanxi Deshi Technology Co ltd
Current assignee: Shanxi Deshi Technology Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-04-06
Anticipated expiration: 2030-09-23

Abstract

A bearing outer ring limiting rubber coating integrated one-step forming rubber coating wheel comprises a first bearing, a rubber coating layer, a cylinder, a clamping assembly, a screw and a nut; the rubber coating layer is arranged on the periphery of the first bearing, and a first annular groove and a plurality of groups of strip-shaped grooves are formed in the periphery of the rubber coating layer; the cylinder is arranged on the inner wall of the first bearing; the second bearing is arranged on the outer wall of the cylinder body; the limiting strip is arranged on the bearing outer ring of the second bearing, the limiting strip is inserted into the limiting groove in a matching manner, and the pressing plate is attached to the side face of the rubber coating layer; the second through hole is opposite to the first through hole; the screw rod is arranged on the pressing plate and penetrates through the first through hole and the second through hole; the nut is matched with the screw rod. The utility model discloses in, two sets of clamp plates play reinforcing and both sides limiting displacement to the rubber coating layer, have guaranteed the circularity of rubber coating layer, make to remove and keep steady, and set up the strip groove and the effective increase of first ring channel and the frictional force and the water guide ability on ground, and the integrated into one piece that moulds plastics simultaneously improves production efficiency and product quality, practices thrift the cost.

Description

Bearing outer ring limiting rubber coating integrated one-step forming rubber coating wheel

Technical Field

The utility model relates to a rubber coating wheel technical field especially relates to a spacing rubber coating of bearing inner race integrated into one piece rubber coating wheel.

Background

The rubber coating wheel is mostly applied to equipment such as a lifter, an elevator, a cart and the like, the inside of the rubber coating wheel is provided with a bearing, the outside of the rubber coating wheel is provided with a rubber coating layer, the rubber coating layer is usually made of nylon and polyurethane materials, the rubber coating layer is machined by a lathe in the traditional rubber coating wheel production, a clamping groove is formed in the inner peripheral wall of the rubber coating layer, as shown in fig. 4, the bearing is pressed into a rubber coating hole, finally, a clamp spring is installed in the clamping groove to limit the bearing, the lathe machining causes a large amount of machining waste, scratches exist on the outer surface of the rubber coating layer and affect the surface smoothness, a defective product is generated due to overlarge or undersize pressure in the operation process of pressing the bearing into the rubber coating hole by a press; and the rubber coating layer is easy to deform due to uneven stress or uneven ground surface in the using process, so that the rotating stability of the rubber coating wheel is influenced, and meanwhile, the surface of the existing rubber coating wheel is smooth and clean due to the fact that the processing means is lathe processing, the friction force is small, and the equipment stability is poor.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem that exists among the background art, the utility model provides an integrative one shot forming rubber coating wheel of spacing rubber coating of bearing inner race, two sets of clamp plates play the reinforcing effect to the rubber coating layer, and play both sides limiting displacement to the rubber coating layer, prevent that the rubber coating layer from taking place to warp under the circumstances at unsmooth road surface and atress skew center, the circularity of rubber coating layer has been guaranteed, make the removal keep steady, the effective increase in bar groove that sets up on the rubber coating layer periphery wall simultaneously and the frictional force on ground, make equipment stability improve, and the first ring channel that sets up on the rubber coating layer periphery wall can play the guide effect to the rivers on the rubber coating layer, make rivers to subaerial, prevent that water from gluing from reducing frictional force by a wide margin and leading to skid on the rubber coating.

(II) technical scheme

The utility model provides a bearing outer ring limiting rubber coating integrated one-step molding rubber coating wheel, which comprises a first bearing, a rubber coating layer, a cylinder body, a clamping component, a screw rod and a nut; the clamping assembly comprises a second bearing, a limiting strip and a pressing plate;

the rubber coating layer is arranged on the periphery of the first bearing, a first annular groove is formed in the peripheral wall of the rubber coating layer, a plurality of groups of strip-shaped grooves are formed in the peripheral wall of the rubber coating layer and are uniformly distributed along the circumference by taking the axis of the rubber coating layer as the center, the strip-shaped grooves are positioned on two sides of the first annular groove and are symmetrical about the first annular groove, the strip-shaped grooves are communicated with the first annular groove, and the included angle between the strip-shaped grooves and the first annular groove is an acute angle; the cylinder body is arranged on the inner wall of the first bearing, the axis of the cylinder body is superposed with the axis of the first bearing, and the length of the cylinder body is greater than the thickness of the rubber coating;

the second bearing is arranged on the outer wall of the cylinder body and is not in contact with the rubber coating layer; the limiting strips are arranged on the bearing outer ring of the second bearing along the thickness direction of the second bearing, and a plurality of groups of limiting strips are arranged; a barrel through hole is formed in the pressing plate, the axis of the barrel through hole is coincident with the axis of the barrel, the wall of the barrel through hole is attached to the outer wall of the barrel, a plurality of groups of limiting grooves are formed in the wall of the barrel through hole, a plurality of groups of limiting strips are inserted into the plurality of groups of limiting grooves in a matched mode, the pressing plate is attached to the side face of the rubber coating layer, and the diameter of the outer circumference of the pressing plate; the two groups of clamping assemblies are respectively positioned on two sides of the rubber coating layer and are symmetrical about the rubber coating layer;

a plurality of groups of first through holes are formed in the encapsulating layer along the thickness direction of the encapsulating layer, and openings are formed in the two side faces of the encapsulating layer by the first through holes; a plurality of groups of second through holes are formed in the pressing plate in one group of clamping assemblies, the second through holes are opposite to the first through holes, and the plurality of groups of second through holes are in one-to-one correspondence with the plurality of groups of first through holes; the screw rods are arranged on the pressing plate in the other group of clamping assemblies along the length direction of the barrel body, the screw rods penetrate through the first through holes and the second through holes, the screw rods are arranged in a plurality of groups, and the plurality of groups of screw rods are in one-to-one correspondence with the plurality of groups of first through holes; the nut is matched with the screw rods, the nut is attached to the pressing plate, the nut is provided with a plurality of groups, and the plurality of groups of nuts correspond to the plurality of groups of screw rods one to one.

Preferably, the first bearing and the rubber coating layer are formed in an injection molding mode.

Preferably, the included angle between the strip-shaped groove and the first annular groove is forty-five degrees.

Preferably, four groups of first through holes and four groups of second through holes are formed, the four groups of first through holes are uniformly distributed along the circumference by taking the axis of the first bearing as the center, and four groups of screw rods and nuts are arranged.

Preferably, all set up the second annular groove that the multiunit diameter is different on the encapsulating layer both sides face, two sets of clamp plates all set up the different annular strip of multiunit diameter on the terminal surface of encapsulating layer, and multiunit annular strip cooperates respectively and inserts in the multiunit second annular groove.

Preferably, all set up the buffer layer on the clamp plate periphery wall among two sets of centre gripping subassemblies, buffer layer periphery circle diameter equals with rubber coating layer periphery circle diameter.

The above technical scheme of the utility model has following profitable technological effect: through mutually supporting of multiunit screw rod and multiunit nut, make two sets of clamp plates tightly laminate on rubber coating both sides face, two sets of clamp plates play the reinforcing action to rubber coating, and play both sides limiting displacement to rubber coating, prevent that rubber coating from taking place to warp under the circumstances at unsmooth road surface and atress skew center, the circularity of rubber coating has been guaranteed, make the removal keep steady, the effective increase of bar groove that sets up on the rubber coating periphery wall simultaneously and the frictional force on ground, make equipment stability improve, and the first ring channel that sets up on the rubber coating periphery wall can play the guide effect to the rivers on the rubber coating, make rivers subaerial, prevent that water from gluing to reduce frictional force by a wide margin on rubber coating and leading to skid.

Drawings

Fig. 1 is the utility model provides a spacing rubber coating integrated into one piece rubber coating wheel's of bearing inner race structural schematic diagram.

Fig. 2 is a cross-sectional view of the bearing outer ring limiting rubber coating integrated one-step molding rubber coating wheel provided by the utility model.

Fig. 3 is a schematic connection diagram of the first bearing and the encapsulating layer.

FIG. 4 is a schematic diagram of a rubber coating layer of a rubber coated wheel in the prior art

Reference numerals: 1. a first bearing; 2. wrapping an adhesive layer; 3. a strip-shaped groove; 4. a first annular groove; 5. a barrel; 6. a second bearing; 7. a limiting strip; 8. pressing a plate; 9. a first through hole; 10. a second through hole; 11. a screw; 12. a nut; 13. a second annular groove; 14. an annular strip; 15. a buffer layer; 16. a barrel body through hole; 17. a limiting groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-4, the bearing outer ring limiting rubber coating integrated one-step molding rubber coating wheel provided by the utility model comprises a first bearing 1, a rubber coating layer 2, a cylinder 5, a clamping component, a screw 11 and a nut 12; the clamping assembly comprises a second bearing 6, a limiting strip 7 and a pressing plate 8;

the encapsulating layer 2 is arranged on the periphery of the first bearing 1, a first annular groove 4 is formed in the peripheral wall of the encapsulating layer 2, a plurality of groups of strip-shaped grooves 3 are formed in the peripheral wall of the encapsulating layer 2, the plurality of groups of strip-shaped grooves 3 are uniformly distributed along the circumference by taking the axis of the encapsulating layer 2 as the center, the strip-shaped grooves 3 are positioned on two sides of the first annular groove 4, the strip-shaped grooves 3 are symmetrical about the first annular groove 4, the strip-shaped grooves 3 are communicated with the first annular groove 4, and the included angle between the strip-shaped grooves 3 and the first; the cylinder 5 is arranged on the inner wall of the first bearing 1, the axis of the cylinder 5 is superposed with the axis of the first bearing 1, and the length of the cylinder 5 is greater than the thickness of the rubber coating layer 2;

the second bearing 6 is arranged on the outer wall of the cylinder 5, and the second bearing 6 is not in contact with the rubber coating layer 2; the limiting strips 7 are arranged on the bearing outer ring of the second bearing 6 along the thickness direction of the second bearing 6, and a plurality of groups of limiting strips 7 are arranged; a barrel through hole 16 is formed in the pressing plate 8, the axis of the barrel through hole 16 is coincident with the axis of the barrel 5, the wall of the barrel through hole 16 is attached to the outer wall of the barrel 5, a plurality of groups of limiting grooves 17 are formed in the wall of the barrel through hole 16, a plurality of groups of limiting strips 7 are inserted into the plurality of groups of limiting grooves 17 in a matched mode, the pressing plate 8 is attached to the side face of the rubber coating layer 2, and the diameter of the outer circumference of the pressing plate 8 is; the two groups of clamping assemblies are respectively positioned at two sides of the encapsulating layer 2 and are symmetrical about the encapsulating layer 2;

a plurality of groups of first through holes 9 are formed in the encapsulating layer 2 along the thickness direction of the encapsulating layer, and the first through holes 9 form openings on two side surfaces of the encapsulating layer 2; a plurality of groups of second through holes 10 are formed in the pressing plate 8 in one group of clamping assemblies, the second through holes 10 are opposite to the first through holes 9, and the plurality of groups of second through holes 10 correspond to the plurality of groups of first through holes 9 one by one; the screw rods 11 are arranged on the pressing plate 8 in the other group of clamping assemblies along the length direction of the barrel 5, the screw rods 11 penetrate through the first through holes 9 and the second through holes 10, the screw rods 11 are provided with a plurality of groups, and the plurality of groups of screw rods 11 correspond to the plurality of groups of first through holes 9 one by one; nut 12 and the cooperation of screw rod 11, nut 12 and the laminating of clamp plate 8, nut 12 set up the multiunit, multiunit nut 12 and multiunit screw rod 11 one-to-one.

The utility model discloses in, mutually support through multiunit screw rod 11 and multiunit nut 12, make two sets of clamp plates 8 tightly laminate on the 2 both sides faces of rubber coating layer, two sets of clamp plates 8 play reinforcing effect to rubber coating layer 2, and play both sides limiting displacement to rubber coating layer 2, prevent that rubber coating layer 2 from taking place to warp under the circumstances at unsmooth road surface and atress skew center, the circularity of rubber coating layer 2 has been guaranteed, make the removal keep steady, the effective increase of bar groove 3 that sets up on the 2 periphery walls of rubber coating layer simultaneously and the frictional force on ground, make equipment stability improve, and the rivers of the first ring channel 4 that set up on the 2 periphery walls of rubber coating layer can play the guide effect to rubber coating layer 2, make rivers subaerial, prevent that water from gluing from reducing frictional force by a wide margin and leading to skid on rubber coating layer 2.

In an alternative embodiment, the first bearing 1 is injection molded with the encapsulating layer 2; after the one shot forming moulds plastics, it is spacing to become bearing inner race both ends rubber coating by original jump ring to the spacing of bearing, neither need the press as the bearing step, also need not install the jump ring, a large amount of work load has been reduced, production efficiency has been improved, reduce the possibility that the defective products produced, save the cost, and it does not have the waste material to mould plastics, injection moulding is accurate to each gram, material is not wasted, lathe processing has been avoided producing a large amount of waste materials, the cost is further practiced thrift, injection moulding simultaneously, 2 surface smooth finish on rubber coating layer are higher, there can not be lathe processing tool mark, the outward appearance is glossy.

In an alternative embodiment, the strip-shaped groove 3 forms an angle of forty-five degrees with the first annular groove 4; the rubber coating layer 2 is guaranteed to have better friction with the ground under the turning condition.

In an optional embodiment, the first through holes 9 and the second through holes 10 are respectively provided with four groups, the four groups of first through holes 9 are uniformly distributed around the axis of the first bearing 1, and the screw rods 11 and the nuts 12 are respectively provided with four groups; when guaranteeing that two sets of clamp plates 8 can sticis the rubber coating layer 2, reduce the quantity of seting up of first through-hole 9, prevent that first through-hole 9 from seting up too much and influencing the bulk strength of rubber coating layer 2.

In an optional embodiment, a plurality of groups of second annular grooves 13 with different diameters are formed in the two side surfaces of the encapsulating layer 2, a plurality of groups of annular strips 14 with different diameters are formed on the end surfaces, facing the encapsulating layer 2, of the two groups of pressing plates 8, and the plurality of groups of annular strips 14 are respectively inserted into the plurality of groups of second annular grooves 13 in a matching manner; so that the pressing plate 8 is more tightly attached to the encapsulating layer 2.

In an optional embodiment, the peripheral wall of the pressing plate 8 in the two groups of clamping assemblies is provided with a buffer layer 15, and the diameter of the peripheral circle of the buffer layer 15 is equal to that of the peripheral circle of the encapsulating layer 2; prevent that the outer wall of clamp plate 8 accidental contact ground or moving platform from causing the contact surface damage.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The bearing outer ring limiting and rubber coating integrated one-step forming rubber coating wheel is characterized by comprising a first bearing (1), a rubber coating layer (2), a cylinder body (5), a clamping assembly, a screw rod (11) and a nut (12); the clamping assembly comprises a second bearing (6), a limiting strip (7) and a pressing plate (8);

the encapsulating layer (2) is arranged on the periphery of the first bearing (1), a first annular groove (4) is formed in the peripheral wall of the encapsulating layer (2), a plurality of groups of strip-shaped grooves (3) are formed in the peripheral wall of the encapsulating layer (2), the plurality of groups of strip-shaped grooves (3) are uniformly distributed along the circumference by taking the axis of the encapsulating layer (2) as the center, the strip-shaped grooves (3) are positioned on two sides of the first annular groove (4), the strip-shaped grooves (3) are symmetrical relative to the first annular groove (4), the strip-shaped grooves (3) are communicated with the first annular groove (4), and the included angle between the strip-shaped grooves (3) and the first annular groove (4; the cylinder (5) is arranged on the inner wall of the first bearing (1), the axis of the cylinder (5) is superposed with the axis of the first bearing (1), and the length of the cylinder (5) is greater than the thickness of the rubber coating layer (2);

the second bearing (6) is arranged on the outer wall of the cylinder body (5), and the second bearing (6) is not in contact with the rubber coating layer (2); the limiting strips (7) are arranged on the bearing outer ring of the second bearing (6) along the thickness direction of the second bearing (6), and a plurality of groups of limiting strips (7) are arranged; a barrel through hole (16) is formed in the pressing plate (8), the axis of the barrel through hole (16) is coincident with the axis of the barrel (5), the wall of the barrel through hole (16) is attached to the outer wall of the barrel (5), a plurality of groups of limiting grooves (17) are formed in the wall of the barrel through hole (16), a plurality of groups of limiting strips (7) are inserted into the plurality of groups of limiting grooves (17) in a matched mode, the pressing plate (8) is attached to the side face of the encapsulating layer (2), and the diameter of the peripheral circle of the pressing plate (8) is smaller than that of the encapsulating; the two groups of clamping assemblies are respectively positioned at two sides of the encapsulating layer (2) and are symmetrical about the encapsulating layer (2);

a plurality of groups of first through holes (9) are formed in the encapsulating layer (2) along the thickness direction of the encapsulating layer, and openings are formed in the first through holes (9) on two side surfaces of the encapsulating layer (2); a plurality of groups of second through holes (10) are formed in the pressing plate (8) in one group of clamping assemblies, the second through holes (10) are opposite to the first through holes (9), and the plurality of groups of second through holes (10) correspond to the plurality of groups of first through holes (9) one by one; the screw rods (11) are arranged on the pressing plate (8) in the other group of clamping assemblies along the length direction of the barrel (5), the screw rods (11) penetrate through the first through holes (9) and the second through holes (10), the screw rods (11) are arranged in multiple groups, and the multiple groups of screw rods (11) correspond to the multiple groups of first through holes (9) one by one; nut (12) and screw rod (11) cooperation, nut (12) and clamp plate (8) laminating, nut (12) set up the multiunit, multiunit nut (12) and multiunit screw rod (11) one-to-one.

2. The bearing outer ring limiting rubber coating integrated one-step molding rubber coating wheel as claimed in claim 1, wherein the first bearing (1) and the rubber coating layer (2) are formed by injection molding.

3. The bearing outer ring limiting rubber coating integrated one-step molding rubber coating wheel as claimed in claim 1, wherein an included angle between the strip-shaped groove (3) and the first annular groove (4) is forty-five degrees.

4. The bearing outer ring limiting rubber coating integrated one-step molding rubber coating wheel as claimed in claim 1, wherein the first through holes (9) and the second through holes (10) are provided in four groups, the four groups of first through holes (9) are uniformly distributed around the axis of the first bearing (1) along the circumference, and the four groups of screws (11) and nuts (12) are provided.

5. The bearing outer ring limiting rubber coating integrated one-step molding rubber coating wheel as claimed in claim 1, wherein two side surfaces of the rubber coating layer (2) are respectively provided with a plurality of groups of second annular grooves (13) with different diameters, two end surfaces of the two groups of pressure plates (8) facing the rubber coating layer (2) are respectively provided with a plurality of groups of annular strips (14) with different diameters, and the plurality of groups of annular strips (14) are respectively inserted into the plurality of groups of second annular grooves (13) in a matching manner.

6. The bearing outer ring limiting rubber coating integrated one-step molding rubber coating wheel as claimed in claim 1, wherein the peripheral wall of the pressing plate (8) in the two sets of clamping assemblies is provided with the buffer layer (15), and the diameter of the peripheral circle of the buffer layer (15) is equal to that of the peripheral circle of the rubber coating layer (2).