Plastic-coated bearing roller not prone to deformation

Abstract

The utility model relates to the technical field of bearing rollers, and discloses a plastic-coated bearing roller not easy to deform, which comprises a roller body, a bearing body is arranged in the roller body, the roller body comprises a roller body and a reinforcing layer, grooves are formed in the surfaces of the two sides of the roller body, first reinforcing ribs are fixedly connected in the grooves, and the first reinforcing ribs are fixedly connected in the grooves. The outer circumferential surface of the first reinforcing rib is fixedly connected with a second reinforcing rib, the second reinforcing rib is fixedly connected with the inner wall of the groove, the inner circumferential surface of the first reinforcing rib is fixedly connected with a third reinforcing rib, and the third reinforcing rib is also fixedly connected with the inner wall of the groove. Through cooperation of the first reinforcing rib, the second reinforcing rib and the third reinforcing rib, uniform dispersion of force is further achieved, the deformation resistance of the roller is effectively improved, an ordered and efficient transmission path of the force is formed between the roller and the bearing, the local stress concentration phenomenon is reduced, and therefore the practicability is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing roller technical field, concretely is a plastic coated type bearing roller not easy to deformation. BACKGROUND

[0002] Bearing roller is one kind of roller, compared with ordinary roller, bearing roller's surface smoothness is higher, service life is longer, plastic coated bearing roller is in the bearing roller's wheel body surface and is wrapped with a layer of plastic, makes it have certain hardness, impact resistance, wear resistance and self lubricity, bearing roller is usually used on the damper of refrigerator door body.

[0003] In prior art, the announcement number for: CN219795843U discloses a plastic coated bearing roller, but the prior art in the actual use process, through the setting of X-shaped reinforcing rib, causes the stress concentration phenomenon to appear at the intersection point, when bearing load, these intersection points will bear greater stress, especially in the area far from the reinforcing rib intersection point, easy to appear uneven stress situation, can lead to local deformation too big even appear crack, influence the overall strength and stability of structure, the anti-deformation ability is poor, the practicality is poor, in view of this, we propose a plastic coated type bearing roller not easy to deformation to solve the above problems. UTILITY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the utility model provides a plastic coated type bearing roller not easy to deformation to solve the problem of weak anti-deformation ability of some bearing rollers.

[0005] To achieve the above object, the utility model provides the following technical scheme: a plastic coated type bearing roller not easy to deformation, including the roller, the inside of roller is provided with bearing body, the roller includes wheel body and reinforcing layer, the both side surfaces of wheel body are all provided with recess, the inside of recess is fixedly connected with first reinforcing rib, the outer peripheral surface of first reinforcing rib is fixedly connected with second reinforcing rib, second reinforcing rib and the inner wall of recess are fixedly connected, the inner peripheral surface of first reinforcing rib is fixedly connected with third reinforcing rib, third reinforcing rib is also fixedly connected with the inner wall of recess, the outside of roller is provided with sealing cover, the shape of first reinforcing rib is annular, the shape of second reinforcing rib is arched, the shape of third reinforcing rib is triangular.

[0006] Preferably, the reinforcing layer includes a protective coating, which is applied to the outer surface of the wheel body, and a rubber layer is provided on the outside of the protective coating.

[0007] Preferably, the inner walls of the recesses on both sides are provided with thread grooves, and the surface of the sealing cover is provided with a threaded protrusion that is adapted to the thread grooves.

[0008] Preferably, the outer surface of the wheel body is provided with a sealing groove, and the surface of the sealing cover is fixedly connected with a sealing ring, which is matched with the sealing groove.

[0009] Preferably, the outer surface of the sealing cover is provided with a let-in groove, and the inner portion of the let-in groove is fixedly connected with a fixing block.

[0010] Preferably, the surface of the sealing cover is provided with a heat dissipation hole.

[0011] Compared with the prior art, the plastic-coated bearing roller is not easy to deform and has the following beneficial effects:

[0012] 1. The plastic-coated bearing roller is not easy to deform, and the uniform dispersion of force is further realized through the cooperation between the first reinforcing rib, the second reinforcing rib and the third reinforcing rib, the deformation resistance of the roller is effectively improved, the force forms an orderly and efficient transmission path between the roller and the bearing, the local stress concentration phenomenon is reduced, the practicality is further improved, the problem that stress concentration easily occurs at the intersection of the X-shaped reinforcing rib is effectively avoided, and the overall strength and stability of the structure are ensured.

[0013] 2. The plastic-coated bearing roller is not easy to deform, and the setting of the sealing cover can effectively block dust, debris, moisture and other impurities in the space where the bearing body, the roller and the reinforcing rib are located, thereby prolonging the service life.

[0014] 3. The plastic-coated bearing roller is not easy to deform, and the setting of the sealing ring and the sealing groove further ensures the sealing effect of the bearing body, and the setting of the heat dissipation hole realizes the effects of heat dissipation and pressure balance, the heat dissipation hole can reduce the fatigue damage of the components caused by thermal stress and pressure change, thereby prolonging the service life of the sealing cover and the related internal components, reducing the maintenance cost and replacement frequency of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure schematic view of the plastic-coated bearing roller not easy to deform of the utility model;

[0016] Figure 2 It is a structure schematic view of the wheel body of the utility model;

[0017] Figure 3 It is Figure 2 It is an enlarged view of A in the middle;

[0018] Figure 4 It is a structure schematic view of the reinforcing layer of the utility model;

[0019] Figure 5 It is a structure schematic view of the sealing cover of the utility model.

[0020] In the figure: 1, the roller; 2, bearing body; 3, groove; 4, first reinforcing rib; 5, second reinforcing rib; 6, third reinforcing rib; 7, sealing cover; 8, threaded groove; 9, threaded protrusion; 10, sealing ring; 11, sealing groove; 12, let go of the slot; 13, fixed block; 14, heat dissipation hole;

[0021] 101, the wheel body; 102, reinforcing layer;

[0022] 1021, protective coating; 1022, rubber layer. DETAILED DESCRIPTION

[0023] This part will describe the specific embodiments of the utility model in detail, the preferred embodiment of the utility model is shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0024] In the description of the utility model, it is understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and it is not indicated or implied that the indicated device or element must have a specific orientation, a specific orientation and operation, therefore it cannot be understood as the limitation of the utility model.

[0025] In the description of the utility model, greater than, less than, more than, etc. is not included in the number, above, below, etc. is included in the number. If it is described to the first, the second is only used for distinguishing technical features for the purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0026] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation and connection should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0027] Please refer to Figures 1-5The utility model provides a technical scheme: A plastic coated bearing roller not easy to deform, including the roller 1, the inside of roller 1 is provided with bearing body 2, roller 1 includes the wheel body 101 and the reinforcing layer 102, the both sides surface of wheel body 101 is all seted up with recess 3, recess 3's inside is fixedly connected with first reinforcing rib 4, the shape of first reinforcing rib 4 is annular, by the first reinforcing rib 4 is set up as annular can provide support for roller 1 in the circumferential direction evenly, the overall structural strength of roller 1 is strengthened, effectively resist the deformation caused by circumferential direction uneven force, make roller 1 more stable when bearing torque, the outer peripheral surface of first reinforcing rib 4 is fixedly connected with second reinforcing rib 5, second reinforcing rib 5 and the inner wall of recess 3 are fixedly connected, the shape of second reinforcing rib 5 is arch, by the second reinforcing rib 5 is set up as arch, makes roller 1 can convert external pressure into own compressive stress, effectively enhances the pressure capacity of roller 1 in the radial direction, can bear larger vertical direction load, reduces the radial deformation of roller 1 wheel because of external force, the inner peripheral surface of first reinforcing rib 4 is fixedly connected with third reinforcing rib 6, third reinforcing rib 6 is also fixedly connected with the inner wall of recess 3, the shape of third reinforcing rib 6 is triangle, by the third reinforcing rib 6 is set up as triangle, can utilize the stability of triangle, provides powerful support in a particular direction, improves the rigidity of overall structure, the outside of roller 1 is provided with sealing cover 7, by the setting of sealing cover 7 can effectively block the dust, chippings, moisture and other impurities of outside into the space of bearing body 2, roller 1 and reinforcing rib etc.

[0028] The reinforcing layer 102 includes a protective coating 1021, which is applied to the outer surface of the wheel body 101. The protective coating 1021 has a rubber layer 1022 on its outer surface.

[0029] The protective coating 1021 is a polyurethane coating, which has good elasticity and strong impact resistance. It can adapt to different working environments and protect the bearing from impact. It also has good oil resistance and chemical corrosion resistance. The rubber layer 1022 can effectively absorb and buffer external impact and vibration, reducing the risk of deformation caused by impact.

[0030] The inner walls of the two recesses 3 are provided with threaded grooves 8, and the surface of the sealing cover 7 is provided with threaded protrusions 9. The threaded protrusions 9 and the threaded grooves 8 are matched. The threaded grooves 8 and the threaded protrusions 9 can facilitate the installation of the sealing cover 7 on the outside of the roller 1. The cooperation of the threaded grooves 8 and the threaded protrusions 9 can further improve the sealing effect.

[0031] The outer surface of the wheel body 101 is provided with a sealing groove 11, and the surface of the sealing cover 7 is fixedly connected with a sealing ring 10, the sealing ring 10 is matched with the sealing groove 11, and the sealing effect of the bearing body 2 is further ensured through the cooperation of the sealing groove 11 and the sealing ring 10.

[0032] The outer surface of the sealing cover 7 is provided with a let-in groove 12, and the inner part of the let-in groove 12 is fixedly connected with a fixed block 13, through the cooperation of the let-in groove 12 and the fixed block 13, the sealing cover 7 is convenient to rotate by the staff, so that the sealing cover 7 is convenient to disassemble.

[0033] The surface of the sealing cover 7 is provided with a heat dissipation hole 14.

[0034] Working principle:

[0035] The non-deformable plastic-coated bearing roller is used, first of all, the bearing body 2 is installed in the inside of the roller 1 through the existing technology, then the roller 1 is reinforced through the cooperation between the first reinforcing rib 4, the second reinforcing rib 5 and the third reinforcing rib 6 when the roller 1 is stressed, so that the overall structural strength of the roller 1 is improved, the possibility of deformation is reduced, and deformation is prevented after the roller 1 is extruded and acted by external pressure for a long time, then the sealing cover 7 is threadedly connected on both sides of the roller 1 through the cooperation of the threaded groove 8 and the threaded protrusion 9, at this time, the sealing cover 7 will shield the recess 3, and the sealing ring 10 will also enter the inside of the sealing groove 11, so that the situation that external dust enters is avoided.

[0036] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range of ordinary skilled persons in the technical field without departing from the purpose of the utility model.

Claims

1. A non-deformable plastic-coated bearing roller, comprising a roller (1), characterized in that: The roller (1) is provided with a bearing body (2) inside. The roller (1) includes a wheel body (101) and a reinforcing layer (102). Grooves (3) are provided on both sides of the wheel body (101). A first reinforcing rib (4) is fixedly connected inside the groove (3). A second reinforcing rib (5) is fixedly connected to the outer peripheral surface of the first reinforcing rib (4). The second reinforcing rib (5) is fixedly connected to the inner wall of the groove (3). A third reinforcing rib (6) is fixedly connected to the inner peripheral surface of the first reinforcing rib (4). The third reinforcing rib (6) is also fixedly connected to the inner wall of the groove (3). A sealing cover (7) is provided on the outside of the roller (1).

2. The non-deformable plastic-coated bearing roller according to claim 1, characterized in that: The first reinforcing rib (4) is ring-shaped, the second reinforcing rib (5) is arch-shaped, and the third reinforcing rib (6) is triangular.

3. The non-deformable plastic-coated bearing roller according to claim 1, characterized in that: The reinforcing layer (102) includes a protective coating (1021) applied to the outer surface of the wheel body (101).

4. A non-deformable plastic-coated bearing roller according to claim 3, characterized in that: A rubber layer (1022) is provided on the outside of the protective coating (1021).

5. A non-deformable plastic-coated bearing roller according to claim 1, characterized in that: The inner walls of the grooves (3) on both sides are provided with threaded grooves (8), and the surface of the sealing cover (7) is provided with threaded protrusions (9). The threaded protrusions (9) and the threaded grooves (8) are compatible.

6. A non-deformable plastic-coated bearing roller according to claim 5, characterized in that: The outer surface of the wheel body (101) is provided with a sealing groove (11), and a sealing ring (10) is fixedly connected to the surface of the sealing cover (7). The sealing ring (10) and the sealing groove (11) are compatible.

7. A non-deformable plastic-coated bearing roller according to claim 6, characterized in that: The outer surface of the sealing cover (7) is provided with a relief groove (12), and a fixing block (13) is fixedly connected inside the relief groove (12).

8. A non-deformable plastic-coated bearing roller according to claim 7, characterized in that: The surface of the sealing cover (7) is provided with heat dissipation holes (14).

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