CN213419791U

CN213419791U - Sealed oiling-free chain

Info

Publication number: CN213419791U
Application number: CN202022364873.4U
Authority: CN
Inventors: 刘军
Original assignee: Shenzhen Changyu Industrial Development Co ltd
Current assignee: Shenzhen Changyu Industrial Development Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-06-11
Anticipated expiration: 2030-10-21

Abstract

The utility model discloses a sealed oiling-free chain, which comprises a chain body and an oiling-free mechanism, wherein a solid lubricant is filled in the inner cavity of a sleeve, when the chain body generates heat in the process of operation rotation, the solid lubricant is melted and seeps out through the permeation holes, the pin shaft, the sleeve and the roller are lubricated simply and conveniently, the whole body can be normally used without oiling, the outer surface of the roller is provided with reinforced steel which is a member made of vacuum degassing steel material, the material has the characteristics of high purity and low gas content, can improve the rated load and prolong the service life of the roller when in use, when the chain body can produce more heat at operation pivoted in-process, the heat conduction silica gel layer that sets up is located the roller and strengthens the centre of steel, can utilize the high characteristics of self thermal conductivity, derives the inside heat of roller.

Description

Sealed oiling-free chain

Technical Field

The utility model relates to a chain technical field specifically is a sealed chain of exempting from to refuel.

Background

The chain is generally a metallic link or ring, and is used mostly as a mechanical transmission, traction, a link for obstructing traffic passages (for example in streets, rivers or harbour entrances), a mechanically-operated chain.

However, the lubrication is vital in the process of using the chain, the reasonable moderate lubrication can greatly reduce the abrasion at the hinge of the chain, the service life is prolonged, if the chain is oiled outdoors or in a multi-dust environment, the lubricating oil is easy to stick dust, the abrasion of the chain is aggravated, the environment is polluted, the chain is easy to damage after being used for a long time, the service life of the chain is short, more heat can be generated due to the chain transmission, and the heat dissipation effect of the chain is not ideal.

Aiming at the problems, the chain is free from oil filling when in use, and has long service life and good heat dissipation effect. Therefore, a sealing oil-free chain is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed chain of exempting from to refuel has improved the chain and has exempted from to refuel when using, life and radiating effect, has solved the problem of proposing in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sealed oil-free chain comprises a chain body and an oil-free mechanism, wherein the oil-free mechanism is arranged on the inner side of the chain body, the chain body comprises a pin shaft, a rolling shaft, an inner chain plate and an outer chain plate, the rolling shaft penetrates through the pin shaft, the oil-free mechanism is arranged in an inner cavity of the rolling shaft, the inner chain plate is arranged on one side, away from the pin shaft, of the rolling shaft, the outer chain plate is arranged on one side, away from the rolling shaft, of the inner chain plate, and the outer chain plate is positioned on the outer sides of the inner;

the oil adding-free mechanism comprises a sleeve, a roller, a sealing ring and a sealing cover plate, a pin shaft penetrates through an inner cavity of the sleeve, the outer end of the sleeve is wrapped with the roller, the sealing ring is installed on the two sides of the sleeve and the roller, and the sealing cover plate is installed on the outer ends of the two sides of the sealing ring.

Further, the outer chain plate comprises a through hole, a check ring and a locking pin, the through hole is formed in the surfaces of the outer chain plate and the inner chain plate, the check ring is installed on one side of an inner cavity of the through hole, the locking pin is installed on one side of the outer end of the through hole, and the locking pin penetrates through one side of the pin shaft.

Further, the sleeve comprises a solid lubricant, a penetration hole and cylindrical rollers, the solid lubricant is filled in the inner cavity of the sleeve, the penetration hole is formed in the surface of the sleeve, the cylindrical rollers are formed in the outer surfaces of the sleeve and the penetration hole, and the cylindrical rollers are distributed in an annular array shape.

Further, the roller comprises a heat conduction silica gel layer, reinforced steel and heat dissipation holes, the heat conduction silica gel layer is arranged on the outer surface of the roller, the reinforced steel wraps the outer surface of the heat conduction silica gel layer, and the heat dissipation holes are formed in the surface of the reinforced steel.

Furthermore, the reinforced steel is a member made of vacuum degassing steel materials, and the reinforced steel is fixedly connected with the surface of the roller through a heat conduction silica gel layer.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a pair of sealed chain of exempting from to refuel, solid lubricant packs at telescopic inner chamber, runs through the back through its inboard when the round pin axle, and the sealing washer will seal the both sides of roller bearing with sealed apron, can produce the heat at operation pivoted in-process when the chain body to melt solid lubricant and ooze through the infiltration hole, lubricate between round pin axle and sleeve, sleeve and the roller, and is simple convenient, makes wholly need not to refuel also can normally use.

2. The utility model provides a pair of sealed chain of exempting from to add oil, the drum roller that sets up is located between sleeve and the roller, makes sleeve and roller more smooth and easy when rotating, avoids the two to rub each other for a long time and makes its inner wall damage, and the surface of roller is provided with the enhancement steel, and the component that the enhancement steel was made for vacuum degassing steel material, and this material has the characteristics that purity is high and the air content is few, can improve the rated load and the life of roller bearing when using.

3. The utility model provides a pair of sealed chain of exempting from to refuel, can produce more heat at operation pivoted in-process when the chain body, the heat conduction silica gel layer of setting is located the centre of roller and reinforced steel, can utilize the characteristics that self heat conductivility is high, derive the inside heat of roller, and reinforced steel's surface has seted up the louvre, the louvre makes the heat conduction silica gel layer and the outside air direct contact of its inner chamber bottom, thereby be convenient for the heat conduction silica gel layer with the leading-in heat during the outside air of discharging, whole radiating effect has been improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a disassembled view of the oil-adding-free mechanism of the present invention;

FIG. 3 is a schematic view of the sleeve structure of the present invention;

fig. 4 is a sectional view of the inside of the roller according to the present invention.

In the figure: 1. a chain body; 11. a pin shaft; 12. a roller; 13. an inner link plate; 14. an outer link plate; 141. a through hole; 142. a retainer ring; 143. a locking pin; 2. an oiling-free mechanism; 21. a sleeve; 211. a solid lubricant; 212. a penetration hole; 213. a cylindrical roller; 22. a roller; 221. a heat conductive silica gel layer; 222. reinforcing steel; 223. heat dissipation holes; 23. a seal ring; 24. and sealing the cover plate.

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.

Referring to fig. 1-2, a sealed oil-free chain includes a chain body 1 and an oil-free mechanism 2, the oil-free mechanism 2 is installed inside the chain body 1, the chain body 1 includes a pin 11, a roller 12, an inner link plate 13 and an outer link plate 14, the roller 12 penetrates through the pin 11, the oil-free mechanism 2 is disposed in an inner cavity of the roller 12, the inner link plate 13 is installed on one side of the roller 12 away from the pin 11, the outer link plate 14 is installed on one side of the inner link plate 13 away from the roller 12, the outer link plate 14 is located outside the inner link plate 13 and the pin 11, the oil-free mechanism 2 includes a sleeve 21, a roller 22, a seal ring 23 and a seal cover plate 24, the pin 11 penetrates through the inner cavity of the sleeve 21, the outer end of the sleeve 21 is wrapped with the roller 22, the seal rings 23 are installed on two sides of the sleeve 21 and the roller 22, the seal cover, the outer chain plate 14 comprises a through hole 141, a retainer ring 142 and a locking pin 143, the through hole 141 is formed in the surfaces of the outer chain plate 14 and the inner chain plate 13, the retainer ring 142 is installed on one side of the inner cavity of the through hole 141, the locking pin 143 is installed on one side of the outer end of the through hole 141, and the locking pin 143 penetrates through one side of the pin shaft 11.

Referring to fig. 3-4, a sealed oil-feeding-free chain, a sleeve 21 includes a solid lubricant 211, a penetration hole 212 and a cylindrical roller 213, the solid lubricant 211 is filled in an inner cavity of the sleeve 21, the penetration hole 212 is formed on a surface of the sleeve 21, the solid lubricant 211 is filled in the inner cavity of the sleeve 21, when a pin 11 penetrates through the inner side of the pin, a seal ring 23 and a seal cover plate 24 seal two sides of a roller 12, when a chain body 1 generates heat during operation and rotation, so that the solid lubricant 211 is melted and seeps through the penetration hole 212, and the pin 11, the sleeve 21 and the roller 22 are lubricated, which is simple and convenient, so that the chain can be normally used without oil feeding, the cylindrical roller 213 is formed on outer surfaces of the sleeve 21 and the penetration hole 212, and the cylindrical roller 213 is distributed in an annular array, and the roller 22 includes a heat-conductive silicone layer 221, strengthen steel 222 and louvre 223, heat conduction silica gel layer 221 has been seted up to roller 22's surface, the surface parcel of heat conduction silica gel layer 221 has the reinforced steel 222, louvre 223 has been seted up on the surface of reinforced steel 222, can produce more heat at operation pivoted in-process when chain body 1, the heat conduction silica gel layer 221 of setting is located roller 22 and the centre of reinforced steel 222, can utilize the characteristics that self heat conductivility is high, derive the inside heat of roller 22, and louvre 223 has been seted up on reinforced steel 222's surface, louvre 223 makes the heat conduction silica gel layer 221 and the outside air direct contact of its inner chamber bottom, thereby be convenient for heat conduction silica gel layer 221 will be leading-in during the heat discharges the outside air, whole radiating effect has been improved.

The reinforced steel 222 is a member made of vacuum degassing steel material, the reinforced steel 222 is fixedly connected with the surface of the roller 22 through the heat-conducting silica gel layer 221, the arranged cylindrical roller 213 is positioned between the sleeve 21 and the roller 22, so that the sleeve 21 and the roller 22 can rotate more smoothly, the damage to the inner wall of the sleeve 21 and the roller 22 due to long-time mutual friction is avoided, the reinforced steel 222 is arranged on the outer surface of the roller 22, and the reinforced steel 222 is a member made of vacuum degassing steel material, has the characteristics of high purity and low gas content, and can improve the rated load and prolong the service life of the roller 12 in use.

In summary, the following steps: the utility model provides a sealed chain of exempting from to add oil, solid lubricant 211 fills in the inner chamber of sleeve 21, after round pin axle 11 runs through its inboard, sealing washer 23 and sealed apron 24 will seal the both sides of roller 12, can produce heat when chain body 1 is in the operation pivoted in-process, thereby melt solid lubricant 211 and ooze through infiltration hole 212, lubricate between round pin axle 11 and sleeve 21, sleeve 21 and roller 22, it is simple and convenient, make whole need not to add oil and also can normally use, the drum roller 213 that sets up is located between sleeve 21 and roller 22, it is more smooth and easy when making sleeve 21 and roller 22 rotate, avoid the two to rub each other for a long time and make its inner wall damage, the surface of roller 22 is provided with reinforced steel 222, reinforced steel 222 is the component that vacuum degassing made, this material has the characteristics that purity is high and the tolerance is few, can improve rated load and the life of roller bearing 12 when using, can produce more heat at operation pivoted in-process when chain body 1, the heat conduction silica gel layer 221 that sets up is located roller 22 and the centre of enhancement steel 222, can utilize the high characteristics of self heat conductivility, derive the inside heat of roller 22, and strengthen steel 222's surface and seted up louvre 223, louvre 223 makes the heat conduction silica gel layer 221 and the outside air direct contact of its inner chamber bottom, thereby be convenient for heat conduction silica gel layer 221 during with leading-in heat discharges the outside air, whole radiating effect has been improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sealed refueling chain of exempting from, includes chain body (1) and exempts from refueling mechanism (2), exempts from refueling mechanism (2) to install the inboard at chain body (1), its characterized in that: the chain body (1) comprises a pin shaft (11), a rolling shaft (12), an inner chain plate (13) and an outer chain plate (14), the rolling shaft (12) penetrates through the pin shaft (11), the oil adding-free mechanism (2) is arranged in an inner cavity of the rolling shaft (12), the inner chain plate (13) is installed on one side, away from the pin shaft (11), of the rolling shaft (12), the outer chain plate (14) is installed on one side, away from the rolling shaft (12), of the inner chain plate (13), and the outer chain plate (14) is located on the outer sides of the inner chain plate (13) and the pin shaft (11);

exempt from to refuel mechanism (2) and include sleeve (21), roller (22), sealing washer (23) and sealed apron (24), round pin axle (11) run through the inner chamber of sleeve (21), and the outer end parcel of sleeve (21) has roller (22), and sealing washer (23) are installed to the both sides of sleeve (21) and roller (22), and sealed apron (24) are installed to the both sides outer end of sealing washer (23).

2. The sealed oiling-free chain as defined in claim 1, wherein: the outer chain plate (14) comprises a through hole (141), a retainer ring (142) and a locking pin (143), the through hole (141) is formed in the surfaces of the outer chain plate (14) and the inner chain plate (13), the retainer ring (142) is installed on one side of an inner cavity of the through hole (141), the locking pin (143) is installed on one side of an outer end of the through hole (141), and the locking pin (143) penetrates through one side of the pin shaft (11).

3. The sealed oiling-free chain as defined in claim 1, wherein: the sleeve (21) comprises a solid lubricant (211), a penetration hole (212) and cylindrical rollers (213), the solid lubricant (211) is filled in an inner cavity of the sleeve (21), the penetration hole (212) is formed in the surface of the sleeve (21), the cylindrical rollers (213) are formed in the outer surfaces of the sleeve (21) and the penetration hole (212), and the cylindrical rollers (213) are distributed in an annular array shape.

4. The sealed oiling-free chain as defined in claim 1, wherein: the roller (22) comprises a heat conduction silica gel layer (221), reinforced steel (222) and heat dissipation holes (223), the heat conduction silica gel layer (221) is arranged on the outer surface of the roller (22), the reinforced steel (222) wraps the outer surface of the heat conduction silica gel layer (221), and the heat dissipation holes (223) are formed in the surface of the reinforced steel (222).

5. The sealing oiling-free chain as defined in claim 4, wherein: the reinforced steel (222) is a member made of vacuum degassing steel materials, and the reinforced steel (222) is fixedly connected with the surface of the roller (22) through a heat-conducting silica gel layer (221).