CN220748936U - Dustproof sealing chain - Google Patents

Abstract

The utility model discloses a dustproof sealing chain, which comprises an inner chain sheet, wherein an inner mounting hole is formed in the inner chain sheet, a roll shaft is arranged in the inner mounting hole, a dustproof component is arranged on the outer side of the roll shaft, and the dustproof component is used for preventing dust from entering the roll shaft to influence the normal operation of the chain. According to the utility model, the roller shaft is arranged at the inner sides of the first mounting hole and the second mounting hole by arranging the dustproof assembly, so that the two groups of end covers are respectively arranged at the two ends of the roller, the first fixing gasket increases the tightness between the first fixing block and the roller to prevent dust from entering the roller shaft, under the condition that the first fixing gasket is worn, the dust can be blocked by the end covers and the first fixing block before entering the roller shaft, then the limiting block at the back of the end cover is arranged in the inner chain sheet, and the end covers are positioned between the roller and the inner chain sheet and are tightly connected with the inner chain sheet, so that the limiting block can prevent the dust from entering the roller shaft and prevent the dust from entering the roller shaft to influence the normal operation of the chain.

Description

Dustproof sealing chain

Technical Field

The utility model relates to the technical field of sealing chains, in particular to a dustproof sealing chain.

Background

The raw materials of the chain comprise metal, plastic, rubber and the like, wherein the metal chain is most common, the metal chain is high in strength and hardness, good in wear resistance and very wide in use, the chain which is made of plastic, rubber and other materials and has the properties of corrosion resistance, non-toxicity, acid and alkali resistance is required to be used in the fields of food processing, medical appliances and the like, dust can enter the roller shaft in the use process of the chain, the dust can increase the friction force of the roller shaft, the abrasion of the roller shaft is accelerated, meanwhile, the roller shaft is overheated due to the accumulation of the dust, the service life of the roller shaft is shortened, the working efficiency of mechanical equipment is influenced, and therefore dust at the roller shaft is reduced by using a dustproof sealing chain, the tightness of the roller shaft is ensured, and the normal work of the mechanical equipment is ensured.

Patent document CN209324935U discloses a dust-proof sealing chain, "comprising an inner link plate, an outer link plate, a sleeve, a pin shaft and a roller, wherein sealing gaskets are arranged on the inner side and/or the outer side of the inner link plate, and the sealing gaskets are provided with two perforations correspondingly penetrating through the sleeve or the pin shaft. Preferably, the peripheral profile of the sealing gasket is identical to the peripheral profile of the inner link plate; the thickness of the sealing gasket is 0.50-1.50 mm; the sealing gasket is made of rubber, plastic layer, nylon or colored technology. The sealing gasket provided by the utility model has the beneficial effects that the sealing gasket arranged on the side surface of the inner chain plate has a sealing effect and also has the effects of vibration absorption and noise reduction, and the sealing gasket has the advantages of long service life, low noise and low use cost. The document mainly considers the problem that the sealing gasket can achieve the dustproof effect, and does not consider the problem that the sealing gasket is worn in the use process of the chain, so that dust can still enter the roller shaft to influence the normal operation of the chain.

Disclosure of Invention

The utility model aims to provide a dustproof sealing chain, which solves the technical problem that dust can still enter a roll shaft to influence the normal operation of the chain due to abrasion of a sealing gasket in the use process of the chain.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the dustproof sealing chain comprises an inner chain sheet, wherein an inner mounting hole is formed in the inner part of the inner chain sheet, a roll shaft is arranged in the inner mounting hole, a dustproof component is arranged on the outer side of the roll shaft, and the dustproof component is used for preventing dust from entering the roll shaft to influence the normal operation of the chain;

the dustproof assembly comprises a roller, wherein a first mounting hole is formed in the roller, a roller shaft is arranged in the first mounting hole, first fixing grooves are formed in two ends of the roller, first fixing gaskets are arranged in the first fixing grooves, first fixing blocks are arranged in the first fixing grooves, an end cover is arranged on the back surface of each first fixing block, a second mounting hole is formed in the inner side of each end cover, the roller shaft is arranged in the second mounting hole, a limiting block is arranged on the back surface of each end cover, the limiting block is arranged in an inner chain piece, rollers are arranged on the outer side of the roller, and two ends of each roller are close to the inner chain piece.

Preferably, the first sealing gaskets are arranged at the two ends of the roller, and the first sealing gaskets are used for increasing the tightness between the roller and the end cover.

Preferably, a second sealing gasket is arranged on the back surface of the limiting block, the outer side of the second sealing gasket abuts against the inner side of the inner chain sheet, and the second sealing gasket is used for increasing the tightness between the limiting block and the inner chain sheet.

Preferably, the outside of roller is installed outer chain piece, and outer mounting hole has been seted up to the inside of outer chain piece, the internally mounted of outer chain piece has seal assembly, thereby seal assembly is used for increasing the leakproofness between interior chain piece and outer chain piece and prevents that the dust from getting into the roller.

Preferably, the sealing assembly comprises a second fixing groove, the second fixing groove is formed in the outer chain sheet, a second fixing gasket is mounted in the second fixing groove, a second fixing block is mounted in the second fixing groove, and the second fixing block is mounted on the back face of the inner chain sheet.

Preferably, a third sealing gasket is installed on the inner side of the outer chain sheet, the inner side of the third sealing gasket abuts against the outer side of the end cover, and the third sealing gasket is used for improving tightness between the outer chain sheet and the inner chain sheet.

Preferably, bearing caps are mounted at two ends of the roll shaft, and are positioned on the outer sides of the outer chain sheets, and are used for fixing the roll shaft.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, when the dustproof sealing chain is used, dust can be prevented from entering the roller shaft to influence the normal operation of the chain through the dustproof assembly, the roller shaft is firstly arranged on the inner side of the first mounting hole in the roller, then the roller shaft passes through the second mounting hole in the inner side of the end cover, two groups of end covers are respectively arranged at two ends of the roller, the first fixing block on the end cover is combined with the first fixing groove in the roller, the sealing property between the first fixing block and the roller is increased by the first fixing gasket, the dust is prevented from entering the roller shaft, even if the first fixing gasket is worn, the dust can be blocked by the end cover and the first fixing block before entering the roller shaft, the dust can be effectively prevented from entering the roller shaft to influence the normal operation of the chain, then the limiting block on the back of the end cover is arranged in the inner chain piece, the end cover is arranged between the roller and the inner chain piece and is tightly connected with the inner chain piece, the dust can be prevented from entering the roller shaft by the limiting block, the dustproof assembly can prevent the dust from entering the roller from the roller and the inner chain piece, the normal operation of the chain is influenced, the sealing gasket can be prevented from wearing in the use process, the dust can still be prevented from entering the roller shaft to influence the normal operation of the position, the normal operation of the roller shaft can be prevented from entering the roller shaft, the normal operation of the chain is prevented, the normal service cost is prolonged, and the normal service cost of the sealing performance of the chain is can be prevented, and the normal service cost is.

2. According to the dustproof sealing chain, the sealing assembly is arranged, when the dustproof sealing chain is used, the sealing performance between the inner chain piece and the outer chain piece can be improved through the sealing assembly, so that dust is prevented from entering the roll shaft, the outer mounting hole in the outer chain piece passes through the roll shaft, the second fixing block on the back surface of the inner chain piece is arranged on the inner side of the second fixing groove in the outer chain piece, the sealing performance between the second fixing block and the second fixing groove is improved through the second fixing gasket, the dust is prevented from entering the roll shaft between the inner chain piece and the outer chain piece, and even if the second fixing gasket is worn, the dust can be blocked by the second fixing block before entering the roll shaft, so that the dust is prevented from entering the roll shaft to influence the normal operation of the chain, the convenience of the dustproof sealing chain is improved, and the service life of the dustproof sealing chain is prolonged.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a drum structure according to the present utility model;

FIG. 3 is a schematic view of a first fixed block according to the present utility model;

FIG. 4 is a schematic view of the structure of the inner chain sheet of the present utility model;

FIG. 5 is a schematic view of the outer chain sheet structure of the present utility model;

fig. 6 is a schematic view of the roller structure of the present utility model.

In the figure: 1. an inner chain piece; 2. an inner mounting hole; 3. a roll shaft; 4. a roller; 5. a first mounting hole; 6. a first fixing groove; 7. a first fixed pad; 8. a first fixed block; 9. an end cap; 10. a second mounting hole; 11. a first sealing gasket; 12. a second sealing gasket; 13. an outer chain piece; 14. an outer mounting hole; 15. a second fixing groove; 16. a second fixed spacer; 17. a second fixed block; 18. a third sealing gasket; 19. a bearing cap; 20. a limiting block; 21. a roller.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, 2, 3, 4, 5 and 6, the present utility model provides an embodiment: the dustproof sealing chain comprises an inner chain sheet 1, wherein an inner mounting hole 2 is formed in the inner chain sheet 1, a roll shaft 3 is arranged in the inner mounting hole 2, a dustproof component is arranged on the outer side of the roll shaft 3, and the dustproof component is used for preventing dust from entering the roll shaft 3 to influence the normal operation of the chain;

the dustproof subassembly includes cylinder 4, and first mounting hole 5 has been seted up to the inside of cylinder 4, and the inside at first mounting hole 5 is installed to roller 3, and first fixed slot 6 has all been seted up at the inside both ends of cylinder 4, and first fixed gasket 7 is installed to the internally mounted of first fixed slot 6, first fixed block 8 is installed to the internally mounted of first fixed slot 6, and end cover 9 is installed to the back of first fixed block 8, and second mounting hole 10 has been seted up to the inboard of end cover 9, and the inside at second mounting hole 10 is installed to roller 3, the back-mounted of end cover 9 has stopper 20, and the inside of stopper 20 installation in interior chain piece 1, roller 21 is installed in the outside of cylinder 4, and the both ends of roller 21 are in close proximity to interior chain piece 1.

Further, when using this dustproof seal chain, can prevent through dustproof subassembly that dust from getting into roller 3 department and influencing the normal operating of chain, install the inboard at the inside first mounting hole 5 of cylinder 4 with roller 3 earlier, later pass the inboard second mounting hole 10 of end cover 9 with roller 3, make two sets of end covers 9 install respectively at the both ends of cylinder 4, first fixed block 8 on the end cover 9 combines together with the inside first fixed slot 6 of cylinder 4, the leakproofness between first fixed block 8 and the cylinder 4 is increased to first fixed gasket 7, prevent that the dust from getting into roller 3, even under the circumstances that first fixed gasket 7 wearing and tearing, the dust can be blocked by end cover 9 and first fixed block 8 before getting into roller 3 department and influencing the normal operation of chain, the stopper 20 at the back of end cover 9 is installed inside chain piece 1 later, end cover 9 is located between cylinder 4 and the inside chain piece 1 and with two zonulae occludens, dustproof subassembly can prevent from getting into roller 3 from between cylinder 4 and the inside chain piece 1, thereby the sealing loss between first fixed gasket 7 increases the first fixed block 8 and cylinder 4, thereby can reduce the dust loss in the life of roller 3 and the sealing loss of roller, thereby can reduce the normal running loss of roller 3, can reduce the noise loss in the transmission loss, and the normal running loss of chain can be reduced, thereby, the normal running loss of the transmission can be reduced, and the transmission loss can be reduced, and the chain can be influenced by the normal, and the roller can be carried by the roller.

The first sealing gaskets 11 are arranged at the two ends of the roller 4, and the first sealing gaskets 11 are used for increasing the tightness between the roller 4 and the end cover 9.

Further, when using this dustproof seal chain, the leakproofness between cylinder 4 and the end cover 9 is guaranteed to first sealing gasket 11, prevents that the dust from getting into end cover 9 and cylinder 4 inside from the gap department between cylinder 4 and the end cover 9, and after the dust got into end cover 9 inside, the dust can be blocked by first fixed block 8, and the dust stays inside first fixed slot 6, reduces the possibility that the dust got into roller 3, improves the dustproof sealing performance of this dustproof seal chain.

The second sealing gasket 12 is installed on the back surface of the limiting block 20, the outer side of the second sealing gasket 12 abuts against the inner side of the inner chain sheet 1, and the second sealing gasket 12 is used for increasing the tightness between the limiting block 20 and the inner chain sheet 1.

Further, when the dustproof sealing chain is used, the second sealing gasket 12 ensures the tightness between the limiting block 20 and the inner chain piece 1, dust is prevented from entering the end cover 9 and the inner chain piece 1 from a gap between the limiting block 20 and the inner chain piece 1, after the dust enters the end cover 9 and the inner chain piece 1, the dust can be blocked by the first limiting block 20, the dust stays in the inner chain piece 1, the possibility that the dust enters the roller shaft 3 is reduced, and the dustproof sealing performance of the dustproof sealing chain is improved.

The outside of roller 3 is installed outer chain piece 13, and outer mounting hole 14 has been seted up to the inside of outer chain piece 13, the internally mounted of outer chain piece 13 has seal assembly, thereby seal assembly is used for increasing the leakproofness between interior chain piece 1 and outer chain piece 13 and prevents that the dust from getting into roller 3.

Further, when the dust seal chain is used, the outer chain piece 13 is mounted on the outer side of the inner chain piece 1, and the roller shaft 3 passes through the outer mounting hole 14 inside the outer chain piece 13 and the inner mounting hole 2 inside the inner chain piece 1 to connect the outer chain piece 13 and the inner chain piece 1.

The sealing assembly comprises a second fixing groove 15, the second fixing groove 15 is formed in the outer chain sheet 13, a second fixing gasket 16 is mounted in the second fixing groove 15, a second fixing block 17 is mounted in the second fixing groove 15, and the second fixing block 17 is mounted on the back of the inner chain sheet 1.

Further, when the dustproof sealing chain is used, the sealing performance between the inner chain piece 1 and the outer chain piece 13 can be improved through the sealing assembly, so that dust is prevented from entering the roller shaft 3, the outer mounting holes 14 in the outer chain piece 13 penetrate through the roller shaft 3, then the second fixing blocks 17 on the back surface of the inner chain piece 1 are mounted on the inner sides of the second fixing grooves 15 in the outer chain piece 13, the sealing performance between the second fixing blocks 17 and the second fixing grooves 15 is improved through the second fixing gaskets 16, the dust is prevented from entering the roller shaft 3 from the position between the inner chain piece 1 and the outer chain piece 13, and even if the second fixing gaskets 16 are worn, the dust is prevented from being blocked by the second fixing blocks 17 before entering the roller shaft 3, so that the dust is effectively prevented from entering the roller shaft 3 to influence the normal operation of the chain.

A third sealing gasket 18 is mounted on the inner side of the outer chain sheet 13, and the inner side of the third sealing gasket 18 abuts against the outer side of the end cover 9, and the third sealing gasket 18 is used for increasing the tightness between the outer chain sheet 13 and the inner chain sheet 1.

Further, when the dustproof sealing chain is used, the third sealing gasket 18 ensures the tightness between the outer chain piece 13 and the inner chain piece 1, dust is prevented from entering the outer chain piece 13 and the inner chain piece 1 from a gap between the outer chain piece 13 and the inner chain piece 1, after the dust enters the inner chain piece 1 and the outer chain piece 13, the dust can be blocked by the second fixing block 17, the dust stays in the second fixing groove 15, the possibility that the dust enters the roller shaft 3 is reduced, and the dustproof sealing performance of the dustproof sealing chain is improved.

Bearing caps 19 are mounted at two ends of the roll shaft 3, the bearing caps 19 are located on the outer sides of the outer chain pieces 13, and the bearing caps 19 are used for fixing the roll shaft 3.

Further, when the dustproof sealing chain is used, the bearing cover 19 is used for fixing the two ends of the roller shaft 3, the bearing cover 19 can improve the tightness among the inner chain piece 1, the roller 4, the end cover 9 and the outer chain piece 13, and the dustproof sealing performance of the dustproof sealing chain is ensured.

Working principle: when the dustproof sealing chain is used, the roller shaft 3 is firstly arranged on the inner side of the first mounting hole 5 in the roller 4, then the roller shaft 3 passes through the second mounting hole 10 in the inner side of the end cover 9, two groups of end covers 9 are respectively arranged at two ends of the roller 4, the first fixing blocks 8 on the end covers 9 are combined with the first fixing grooves 6 in the roller 4, the first fixing gaskets 7 increase the tightness between the first fixing blocks 8 and the roller 4 to prevent dust from entering the roller shaft 3, even if the first fixing gaskets 7 are worn, the dust can be blocked by the end covers 9 and the first fixing blocks 8 before entering the roller shaft 3, the dust can be effectively prevented from entering the roller shaft 3 to influence the normal operation of the chain, then the limiting block 20 on the back of the end cover 9 is arranged in the inner chain sheet 1, the end cover 9 is positioned between the roller 4 and the inner chain sheet 1 and is tightly connected with the inner chain sheet 1, and the limiting block 20 can prevent the dust from entering the roller shaft 3.

The sealing performance between the roller 4 and the end cover 9 is guaranteed by the first sealing gasket 11, dust is prevented from entering the end cover 9 and the inside of the roller 4 from a gap between the roller 4 and the end cover 9, after the dust enters the inside of the end cover 9, the dust can be blocked by the first fixing block 8, the dust stays in the first fixing groove 6, and the possibility that the dust enters the roller shaft 3 is reduced.

The second sealing gasket 12 guarantees the leakproofness between stopper 20 and the interior chain piece 1, prevents that the dust from getting into inside end cover 9 and the interior chain piece 1 from the gap department between stopper 20 and the interior chain piece 1, and after the dust got into inside end cover 9 and the interior chain piece 1, the dust can be blocked by first stopper 20, and the dust stays inside the interior chain piece 1, reduces the possibility that the dust got into roller 3, improves the dustproof sealing performance of this dustproof sealing chain.

The outer chain piece 13 is arranged on the outer side of the inner chain piece 1, and the roll shaft 3 passes through the outer mounting hole 14 in the outer chain piece 13 and the inner mounting hole 2 in the inner chain piece 1 to connect the outer chain piece 13 and the inner chain piece 1.

The outer mounting hole 14 inside the outer chain sheet 13 is penetrated through the roll shaft 3, the second fixing block 17 on the back of the inner chain sheet 1 is mounted on the inner side of the second fixing groove 15 inside the outer chain sheet 13, the second fixing gasket 16 increases the tightness between the second fixing block 17 and the second fixing groove 15, dust is prevented from entering the roll shaft 3 between the inner chain sheet 1 and the outer chain sheet 13, and even if the second fixing gasket 16 is worn, dust can be blocked by the second fixing block 17 before entering the roll shaft 3, so that the dust is effectively prevented from entering the roll shaft 3 to influence the normal operation of the chain.

The third sealing gasket 18 guarantees the leakproofness between outer chain piece 13 and the interior chain piece 1, prevents that the dust from getting into inside outer chain piece 13 and the interior chain piece 1 from the gap department between outer chain piece 13 and the interior chain piece 1, and after the dust got into inside outer chain piece 13 and the interior chain piece 1, the dust can be blocked by second fixed block 17, and the dust stays in the inside of second fixed slot 15, reduces the possibility that the dust got into roller 3.

Finally, the two ends of the roll shaft 3 are fixed through the bearing cover 19, the bearing cover 19 can improve the tightness among the inner chain sheet 1, the roller 4, the end cover 9 and the outer chain sheet 13, and the dustproof sealing performance of the dustproof sealing chain is ensured.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (7)

1. The utility model provides a dustproof seal chain, includes interior chain piece (1), its characterized in that: an inner mounting hole (2) is formed in the inner chain sheet (1), a roll shaft (3) is mounted in the inner mounting hole (2), a dustproof component is mounted on the outer side of the roll shaft (3), and the dustproof component is used for preventing dust from entering the roll shaft (3) to influence the normal operation of the chain;

the dustproof assembly comprises a roller (4), wherein a first mounting hole (5) is formed in the roller (4), a roller shaft (3) is mounted in the first mounting hole (5), first fixing grooves (6) are formed in two ends of the roller (4), first fixing gaskets (7) are mounted in the first fixing grooves (6), first fixing blocks (8) are mounted in the first fixing grooves (6), an end cover (9) is mounted on the back of the first fixing blocks (8), a second mounting hole (10) is formed in the inner side of the end cover (9), a limiting block (20) is mounted on the back of the end cover (9), the limiting block (20) is mounted in the inner side of the inner chain piece (1), rollers (21) are mounted on the outer side of the roller (4), and two ends of each roller (21) abut against the inner chain piece (1).

2. A dust seal chain as set forth in claim 1, wherein: the two ends of the roller (4) are provided with first sealing gaskets (11), and the first sealing gaskets (11) are used for increasing the tightness between the roller (4) and the end cover (9).

3. A dust seal chain as set forth in claim 1, wherein: the back of the limiting block (20) is provided with a second sealing gasket (12), the outer side of the second sealing gasket (12) is abutted against the inner side of the inner chain sheet (1), and the second sealing gasket (12) is used for increasing the tightness between the limiting block (20) and the inner chain sheet (1).

4. A dust seal chain as set forth in claim 1, wherein: the outer chain piece (13) is installed in the outside of roller (3), and outer mounting hole (14) have been seted up to the inside of outer chain piece (13), the internally mounted of outer chain piece (13) has seal assembly, thereby seal assembly is used for increasing the leakproofness between interior chain piece (1) and outer chain piece (13) and prevents dust entering roller (3).

5. A dust seal chain as set forth in claim 4 wherein: the sealing assembly comprises a second fixing groove (15), the second fixing groove (15) is formed in the outer chain sheet (13), a second fixing gasket (16) is arranged in the second fixing groove (15), a second fixing block (17) is arranged in the second fixing groove (15), and the second fixing block (17) is arranged on the back face of the inner chain sheet (1).

6. A dust seal chain as set forth in claim 4 wherein: a third sealing gasket (18) is arranged on the inner side of the outer chain sheet (13), the inner side of the third sealing gasket (18) abuts against the outer side of the end cover (9), and the third sealing gasket (18) is used for increasing the tightness between the outer chain sheet (13) and the inner chain sheet (1).

7. A dust seal chain as set forth in claim 1, wherein: bearing caps (19) are mounted at two ends of the roll shaft (3), the bearing caps (19) are located on the outer sides of the outer chain pieces (13), and the bearing caps (19) are used for fixing the roll shaft (3).