CN220866421U - Zinc alloy carrier roller and carrier roller set - Google Patents

Abstract

The utility model provides a zinc alloy carrier roller and a carrier roller group, which comprises a support shaft, a first carrier roller sleeved at one end of the support shaft, and a second carrier roller sleeved at the other end of the support shaft, wherein the first carrier roller is in running fit with the first rotating shaft through a bearing, the second carrier roller is in running fit with the second rotating shaft through a bearing, an expansion air bag is arranged in the support shaft, oil cavities are arranged at two ends of the support shaft, an oil outlet is arranged at one side of the oil cavity, which faces the bearing, and a first one-way valve is arranged at the oil outlet, so that when the expansion air bag expands, the oil cavity is extruded, and lubricating oil in the oil cavity enters the bearing position from the oil outlet; the utility model increases the convenience of lubrication at the carrier roller bearing.

Description

Zinc alloy carrier roller and carrier roller set

Technical Field

The utility model relates to the field of carrier roller assemblies, in particular to a zinc alloy carrier roller and a carrier roller set.

Background

The bearing roller is often used for transporting the material, and it needs to cooperate with the pivot for the material is transported along with the rotation of bearing roller, and consequently the wearing and tearing between bearing roller and the pivot are great.

At present, the cooperation position between bearing roller and the back shaft usually needs to be connected with the bearing to regularly add lubricating oil to the bearing, guarantee the normal use of bearing, however at present when adding lubricating oil, usually need dismantle the bearing roller from transmission equipment just can carry out the replenishment of lubricating oil, make a plurality of bearing rollers add when lubricating oil in succession, very waste time and energy.

Disclosure of utility model

The utility model aims to provide a zinc alloy carrier roller and a carrier roller set for improving the lubrication convenience of a carrier roller bearing.

In order to solve the technical problems, the utility model provides a zinc alloy carrier roller and a carrier roller set, which comprises a support shaft, a first carrier roller sleeved at one end of the support shaft, and a second carrier roller sleeved at the other end of the support shaft, wherein the first carrier roller is in running fit with the first rotating shaft through a bearing, the second carrier roller is in running fit with the second rotating shaft through a bearing, an expansion air bag is arranged in the support shaft, oil cavities are arranged at two ends in the support shaft, an oil outlet is formed in one side of the oil cavity, which faces the bearing, and a first one-way valve is arranged at the oil outlet, so that when the expansion air bag expands, the oil cavity is extruded, and lubricating oil in the oil cavity enters the bearing position from the oil outlet.

Further, the supporting shaft is provided with an air cavity along the circumferential direction, the air cavity is communicated with the expansion air bag through an air inlet channel, and a second one-way valve is arranged in the air inlet channel.

Further, the first elastic ring is arranged on the support shaft along the circumferential direction, an air cavity is formed between the first elastic ring and the support shaft, the second elastic ring is arranged on the periphery of the first elastic ring, a plurality of first air inlets are formed in the first elastic ring, and second air inlets are formed in the second elastic ring.

Further, a closed ring is arranged on one side of the second air inlet close to the first elastic ring, and when the second air inlet is pressed, one end of the closed ring abuts against the first elastic ring.

Further, a pressing indication area is arranged on the outer side of the second air inlet hole.

Further, a plurality of connecting rods are distributed along the circumferential direction on the outer side of the support shaft, a plurality of connecting grooves are formed in the first carrier roller and the second carrier roller, and when the first carrier roller and the second carrier roller are connected to the support shaft, the connecting rods are inserted into the connecting grooves.

Further, an oil inlet is formed in one side of the oil cavity, and is in a closed state when the first carrier roller or the second carrier roller is connected with the support shaft.

Further, an adhesion area is formed at the joint position of the expansion air bag and the inside of the supporting shaft.

The utility model has the advantages that when lubricating oil is added at the bearing, an operator inflates the inside of the expansion air bag, so that the two ends of the expansion air bag expand and bulge out, the expansion air bag extrudes the oil cavity, the internal space of the oil cavity is compressed, after the oil cavity is extruded, the lubricating oil in the oil cavity pushes away the first one-way valve from the oil outlet and is discharged to the bearing, so that the lubricating oil is added at the bearing, and then after the expansion air bag is stopped from being inflated, the expansion air bag maintains the expansion state at the moment, so that the subsequent operation of replenishing the lubricating oil again is convenient, and meanwhile, the extrusion of the expansion air bag to the oil cavity is suspended, so that the first one-way valve is closed again, the lubricating oil is sealed in the oil cavity, and the subsequent replenishment is waited.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a side view of the present utility model.

Figure 3 is a cross-sectional view of the present utility model taken along line A-A of figure 2.

Reference numerals: 1. a support shaft; 2. a first idler; 3. a second idler; 4. a bearing; 5. a first rotating shaft; 6. a second rotating shaft; 7. inflating the balloon; 8. an oil chamber; 9. an oil outlet; 10. a first one-way valve; 11. an air cavity; 12. an air intake passage; 13. a second one-way valve; 14. a first elastic ring; 15. a second elastic ring; 16. a first air inlet hole; 17. a second air inlet hole; 18. a closed ring; 19. pressing the indication area; 20. a connecting rod; 21. a connecting groove; 22. an oil inlet; 23. adhesion zone.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.

It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present utility model.

It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.

As shown in fig. 1-3, the utility model provides a zinc alloy carrier roller and a carrier roller set, which comprises a support shaft 1, a first carrier roller 2 sleeved at one end of the support shaft 1, and a second carrier roller 3 sleeved at the other end of the support shaft 1, wherein the first carrier roller 2 is in running fit with a first rotating shaft 5 through a bearing 4, the second carrier roller 3 is in running fit with a second rotating shaft 6 through the bearing 4, an expansion air bag 7 is arranged in the support shaft 1, oil cavities 8 are arranged at two ends of the support shaft 1, an oil outlet 9 is arranged at one side of the oil cavity 8 facing the bearing 4, and a first one-way valve 10 is arranged at the oil outlet 9, so that when the expansion air bag 7 expands, the oil cavity 8 is extruded, and lubricating oil in the oil cavity 8 enters the position of the bearing 4 from the oil outlet 9.

When lubricating oil is added to the bearing, an operator inflates the inside of the expansion airbag, so that two ends of the expansion airbag expand to bulge out, the expansion airbag extrudes the oil cavity, the inner space of the oil cavity is compressed, after the oil cavity is extruded, lubricating oil in the oil cavity pushes away the first one-way valve from the oil outlet and is discharged to the bearing, so that lubricating oil is added to the bearing, after the expansion airbag is stopped to be inflated, the expansion airbag maintains the expansion state at the moment, so that the subsequent operation of supplementing lubricating oil again is facilitated, and meanwhile, the extrusion of the expansion airbag to the oil cavity is suspended, so that the first one-way valve is closed again, the lubricating oil is sealed in the oil cavity, and the subsequent supplementation is waited.

When the carrier roller group of this scheme is used, back shaft and first bearing roller, the synchronous rotation of second bearing roller for first bearing roller rotates along first pivot, and the second bearing roller rotates along the second pivot, in order to guarantee the stability at both ends.

In an embodiment of the present disclosure, the inflatable bladder is made of a rubber material, and the first idler and the second idler are made of zinc alloy.

Preferably, the supporting shaft 1 is provided with an air cavity 11 along the circumferential direction, the air cavity 11 is communicated with the inflatable air bag 7 through an air inlet channel 12, and a second one-way valve 13 is arranged in the air inlet channel 12.

Specifically, when the inside air feed of inflation gasbag is needed, the air cavity is inflated to inflation gasbag through the inlet channel, and the second check valve is used for avoiding the gas backward flow after the gas gets into inflation gasbag simultaneously, guarantees the inflation state of inflation gasbag, and then guarantees to follow-up inflation gasbag again, can directly carry out the secondary expansion in the inflation state of previous time.

Wherein, the second check valve adopts the gas check valve.

Preferably, the support shaft 1 is circumferentially provided with a first elastic ring 14, an air cavity 11 is formed between the first elastic ring 14 and the support shaft 1, the periphery of the first elastic ring 14 is provided with a second elastic ring 15, the first elastic ring 14 is provided with a plurality of first air inlets 16, the second elastic ring 15 is provided with a second air inlet 17, and when the second air inlet 17 is closed and the second elastic ring 15 is pressed, the air cavity 11 inflates the inflatable air bag 7.

Specifically, when the air cavity is needed to be inflated to the inside of the inflatable air bag, the second air inlet hole is closed, the second elastic ring is pressed, the second elastic ring is contracted inwards, and the first elastic ring is pressed, at the moment, because the second air inlet hole is in a closed state, the first air inlet hole cannot supply air to the inside of the air cavity, when the first elastic ring is pressed, the air cavity is contracted, and internal air is pushed into the inflatable air bag, so that the effect of air supply to the inflatable air bag is achieved.

It is worth mentioning that after the second air inlet hole and the second elastic ring are loosened, the second air inlet hole is in a ventilation state, and at the moment, the air cavity can be supplemented by external air through the second air inlet hole and the first air inlet hole in sequence, so that the subsequent use is ensured.

Wherein, the first elastic ring and the second elastic ring are both made of rubber materials.

Preferably, a closed loop 18 is arranged on one side of the second air inlet hole 17 near the first elastic ring 14, and when the second air inlet hole 17 is pressed, one end of the closed loop 18 abuts against the first elastic ring 14.

Specifically, when the appointed position of the second elastic ring is pressed, the air closing ring is close to the first elastic ring, one end of the air closing ring is propped against the first elastic ring, and then when the first elastic ring is pressed, the second air inlet hole is closed through the air closing ring, so that the problem that air enters the air cavity to cause insufficient air pressure of the air cavity to push air into the inflatable air bag is avoided.

Preferably, the outside of the second air inlet hole 17 is provided with a pressing indication area 19, so that an operator can know the pressing position more conveniently, and the use stability of the closed ring is ensured.

Preferably, a plurality of connecting rods 20 are circumferentially distributed on the outer side of the support shaft 1, a plurality of connecting grooves 21 are formed in the first carrier roller 2 and the second carrier roller 3, and when the first carrier roller 2 and the second carrier roller 3 are connected to the support shaft 1, the connecting rods 20 are inserted into the connecting grooves 21.

Specifically, when first bearing roller, second bearing roller are connected to the back shaft, carry out grafting cooperation with the position that the connecting rod aimed at the spread groove for first bearing roller, second bearing roller and back shaft carry out spacingly in circumference position, guarantee that first bearing roller, second bearing roller and back shaft can synchronous rotation.

Preferably, an oil inlet 22 is formed in one side of the oil cavity 8, and when the first carrier roller 2 or the second carrier roller 3 is connected with the support shaft 1, the oil inlet 22 is in a closed state.

Specifically, the oil inlet is used for filling lubricating oil into the oil cavity, and after the first carrier roller and the second carrier roller are connected with the supporting shaft, the oil inlet is plugged through the inner wall of the first carrier roller or the second carrier roller, so that the situation that the bearing cannot be lubricated due to the fact that the lubricating oil is extruded from the oil outlet when the expansion air bag pushes the lubricating oil is avoided.

Preferably, an adhesion area 23 is arranged at the joint position of the expansion air bag 7 and the inside of the support shaft 1.

Specifically, the inflatable air bags are adhered to the adhesion area inside the supporting shaft in a viscose mode and the like, so that the inflatable air bags are not changed in the middle position in the inflation process, and only the two ends of the inflatable air bags are bulged.

The present utility model is not limited to the above-mentioned preferred embodiments, and any person who can obtain other various products under the teaching of the present utility model can make any changes in shape or structure, and all the technical solutions that are the same or similar to the present utility model fall within the scope of the present utility model.

Claims (8)

1. A zinc alloy carrier roller and carrier roller group, its characterized in that: including back shaft (1), first bearing roller (2) of back shaft (1) one end are located to the cover, second bearing roller (3) of back shaft (1) other end are located to the cover, first bearing roller (2) are normal running fit with first pivot (5) through bearing (4), second bearing roller (3) are normal running fit with second pivot (6) through bearing (4), inside inflation gasbag (7) that are equipped with of back shaft (1), inside both ends of back shaft (1) have oil pocket (8), oil-out (9) have been seted up towards one side of bearing (4) in oil pocket (8), oil-out (9) department is equipped with first check valve (10) to when making inflation gasbag (7) inflation, extrude oil pocket (8), make lubricating oil in oil pocket (8) get into bearing (4) position from oil-out (9).

2. The zinc alloy idler and idler set of claim 1, wherein: the supporting shaft (1) is provided with an air cavity (11) along the circumferential direction, the air cavity (11) is communicated with the inflatable air bag (7) through an air inlet channel (12), and a second one-way valve (13) is arranged in the air inlet channel (12).

3. The zinc alloy idler and idler set of claim 2, wherein: the supporting shaft (1) is circumferentially provided with a first elastic ring (14), an air cavity (11) is formed between the first elastic ring (14) and the supporting shaft (1), the periphery of the first elastic ring (14) is provided with a second elastic ring (15), the first elastic ring (14) is provided with a plurality of first air inlets (16), the second elastic ring (15) is provided with a second air inlet (17), and when the second air inlet (17) is closed and the second elastic ring (15) is pressed, the air cavity (11) inflates the inflatable air bag (7).

4. A zinc alloy idler and idler set according to claim 3, wherein: one side of the second air inlet hole (17) close to the first elastic ring (14) is provided with a closed ring (18), and when the second air inlet hole (17) is pressed, one end of the closed ring (18) is propped against the first elastic ring (14).

5. A zinc alloy idler and idler set according to claim 3, wherein: the outer side of the second air inlet hole (17) is provided with a pressing indication area (19).

6. The zinc alloy idler and idler set of claim 1, wherein: a plurality of connecting rods (20) are circumferentially distributed on the outer side of the support shaft (1), a plurality of connecting grooves (21) are formed in the first carrier roller (2) and the second carrier roller (3), and when the first carrier roller (2) and the second carrier roller (3) are connected to the support shaft (1), the connecting rods (20) are inserted into the connecting grooves (21).

7. The zinc alloy idler and idler set of claim 1, wherein: an oil inlet (22) is formed in one side of the oil cavity (8), and when the first carrier roller (2) or the second carrier roller (3) is connected with the support shaft (1), the oil inlet (22) is in a closed state.

8. The zinc alloy idler and idler set of claim 1, wherein: an adhesion area (23) is arranged at the joint position of the expansion air bag (7) and the inside of the supporting shaft (1).