Novel maintenance-free long-life coupler

Abstract

The utility model discloses a novel maintenance-free long-service-life coupler which aims at solving the problems that an existing coupler needs to be added with oil regularly, lubricating grease leaks, dust pollution is caused, and the maintenance cost is high. The coupling comprises a first half coupling and a second half coupling which are connected with each other and are fixed through bolts and nuts. A first sleeve cover and a second sleeve cover are arranged on the outer sides of the first half coupler and the second half coupler respectively, and a containing space is formed between the first sleeve cover and the half coupler and between the second sleeve cover and the half coupler and filled with plastic oil. The plastic oil is prepared by mixing polymers such as polyethylene, ultra-high molecular weight polyethylene, polyimide or PEEK with lubricating oil and additives, has good lubricity and sealing performance, can continuously discharge oil in the movement process, and meanwhile prevents leakage of dust, water and oil stains.

Description

TECHNICAL FIELD

[0001] The utility model relates to a coupling field, concretely is a novel maintenance -free long -life coupling. BACKGROUND

[0002] The existing coupling needs regular or continuous oiling in the use process, and the lubricating oil leaks seriously, a large number of dust pollutes, needs regular maintenance coupling, if forgets to oil and will lead to not coupling wear seriously, until damage, this is a key factor to reduce equipment operation life. UTILITY MODEL CONTENTS

[0003] In view of the deficiencies of prior art, the utility model provides a novel maintenance -free long -life coupling, thereby develop a novel maintenance -free long -life coupling, this is a coupling maintenance -free method, simultaneously let dust pollution, oil and water pollution and oil leakage problem have been solved, greatly reduce the equipment maintenance cost caused by oil filling, simultaneously coupling replacement cycle increases greatly, and after -sales maintenance cost also greatly reduces.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme:

[0005] A novel maintenance -free long -life coupling, comprising: the first half coupling and the second half coupling connected to each other, the first half coupling and the second half coupling are connected and fixed by bolt and nut, the first half coupling outside is provided with first cover, the second half coupling outside is provided with second cover, the first cover, second cover and first half coupling, second half coupling constitute a containing space, the containing space is provided with plastic body oil.

[0006] Further preferably, the first half coupling and the second half coupling are of an integral structure, the first cover and the second cover are also of an integral structure, and a skeleton oil seal is arranged between the integral first cover and the integral second cover and the integral first half coupling and the integral second half coupling; the integral first half coupling and the integral second half coupling form a hollow shaft structure; the integral first half coupling and the integral second half coupling are provided with an outer ring sleeve on the other side, and a steel ball is arranged in the outer ring sleeve; a fixed ring is arranged outside the steel ball; the fixed ring, the steel ball and the outer ring sleeve are filled with the plastic body oil.

[0007] Further, a sealing ring is arranged between the first half coupling and the second half coupling, and a cover plate is arranged outside the first cover and the second cover respectively.

[0008] Further preferably, the first half-coupling and the second half-coupling are respectively provided with a third cover and a fourth cover on the other side, the inner side of the third cover and the fourth cover is provided with a spring, and the gap between the third cover, the fourth cover, the first half-coupling and the second half-coupling is provided with plastic oil.

[0009] The utility model has the advantages of the following beneficial effects:

[0010] The novel maintenance-free long-service-life coupling improves the stability and reliability of equipment. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 Figure 2 Figure 3 The utility model discloses different embodiment structure diagram respectively. DETAILED DESCRIPTION

[0012] The utility model will be described further below in combination with the drawings and relevant knowledge, and be clearly and completely described, and obviously, the described application is only a part of the embodiment of the utility model, not all the embodiment.

[0013] The utility model will be described further below in combination with the drawings and relevant knowledge, and be clearly and completely described, and obviously, the described application is only a part of the embodiment of the utility model, not all the embodiment.

[0014] In order to solve the lubrication problem of various couplings in the movement process, the coupling needs to be oiled regularly or continuously during use, and the lubricating oil leaks seriously, a large amount of dust pollutes, and the coupling needs to be maintained regularly, if forgetting to oil, the coupling will be seriously worn and damaged, which is a key factor to reduce the service life of equipment, in order to solve the above problems, a novel maintenance-free long-service-life coupling is developed, which is a maintenance-free method for coupling, and the problems of dust pollution, oil and water pollution and oil leakage are solved, the equipment maintenance cost caused by oil filling is greatly reduced, and even the maintenance is free.

[0015] In order to solve the above problems, the utility model provides a novel maintenance-free long-service-life coupling, and specifically provides the following embodiments. Embodiment 1

[0016] A novel maintenance-free long-service-life coupling, comprising: a first half-coupling 1 and a second half-coupling 2 connected to each other, the first half-coupling 1 and the second half-coupling 2 are connected and fixed by bolts 3 and nuts 4, the outer side of the first half-coupling 1 is provided with a first cover 5, the outer side of the second half-coupling 2 is provided with a second cover 6, the first cover 5 and the second cover 6 form a containing space 7 with the first half-coupling 1 and the second half-coupling 2, and the containing space 7 is provided with plastic oil 8.

[0017] ​​Further preferably, a sealing ring 9 is arranged between the first half-coupling 1 and the second half-coupling 2, and a cover plate 10 is arranged outside the first cover 5 and the second cover 6 respectively.

[0018] Referring to Figure 1 As shown in the figure, the embodiment is a drum-tooth-shaped coupling. When injection molding or mold curing is performed, the semi-coupling inner cover, the semi-coupling outer cover cavity gap is filled with plastic oil, and the main tooth root gap is filled with plastic oil. The drum-tooth-shaped coupling can continuously discharge oil during movement, maintain oil lubrication state and prevent oil from overflowing, and at the same time, prevent water, dust and oil stains from leaking, thereby achieving maintenance-free effect during use cycle.

[0019] The plastic oil is formed by mixing polymers such as polyethylene PE, ultra-high molecular weight polyethylene, polyimide or PEEK as base material, and lubricating oil and additives to form a viscous fluid lubricating medium. The lubricating medium is injected into the bearing through injection molding, mold pressing, vulcanization and other ways, and then is cured by heating to form a porous oil-containing lubricating material. These micropores can accommodate lubricating oil and retain it in the material through surface tension. The lubricant provides excellent lubrication effect for the bearing and plays an extremely effective sealing role by completely filling the bearing cavity. Embodiment 2

[0020] A new type of maintenance-free long-life coupling, comprising: a first half-coupling 1 and a second half-coupling 2 connected to each other, the first half-coupling 1 and the second half-coupling 2 are connected and fixed by bolts 3 and nuts 4, the first half-coupling 1 is provided with a first cover 5 outside, the second half-coupling 2 is provided with a second cover 6 outside, the first cover 5 and the second cover 6 form a containing space 7 with the first half-coupling 1 and the second half-coupling 2, and the containing space 7 is provided with plastic oil 8.

[0021] Further in this embodiment, the first half-coupling 1 and the second half-coupling 2 are of an integrated structure, the first cover 5 and the second cover 6 are also of an integrated structure, and the integrated first cover 5 and the second cover 6 are provided with a skeleton oil seal 11 between the integrated first half-coupling 1 and the second half-coupling 2; the integrated first half-coupling and the second half-coupling form a hollow shaft structure 12; the integrated first half-coupling and the second half-coupling are provided with an outer ring sleeve 13 on the other side, and a rear steel ball 14 is arranged in the outer ring sleeve, a fixed ring 15 is arranged outside the steel ball 14, and the fixed ring, the steel ball and the outer ring sleeve are arranged with plastic oil 8. Figure 2As shown, the embodiment is a self-aligning coupling, injection molding or compression curing is carried out, so that the self-aligning coupling outer ring cover, hollow shaft, hollow shaft ball fixed ring, and the outer ring cover internal structure cavity gap is filled with plastic oil, the self-aligning coupling can continue to oil during movement, keep oil lubrication state and grease will not overflow, at the same time, play the role of waterproof, dustproof, oil leakage prevention, etc., so as to achieve the effect of maintenance-free during use cycle. Embodiment 3

[0022] A novel maintenance-free long-life coupling, comprising: a first half coupling 1 and a second half coupling 2 connected to each other, the first half coupling 1 and the second half coupling 2 are connected and fixed by bolts 3 and nuts 4, a first cover 5 is arranged on the outer side of the first half coupling 1, and a second cover 6 is arranged on the outer side of the second half coupling 2, the first cover 5, the second cover 6 and the first half coupling 1, the second half coupling 2 form a containing space 7, and plastic oil 8 is arranged in the containing space 7.

[0023] Further in the embodiment, the first half coupling 1 and the second half coupling 2 are additionally provided with a third cover 16 and a fourth cover 17 on the other side, respectively, a spring 18 is arranged on the inner side of the third cover and the fourth cover, and the spring 18 is arranged in the gap between the third cover, the fourth cover, the first half coupling and the second half coupling, and the gap is filled with plastic oil. The embodiment is a serpentine spring coupling, injection molding or compression tooling is designed according to the structure of the serpentine spring coupling, and injection molding or compression curing is carried out, so that the half coupling, the protective cover and the spring cavity gap are filled with plastic oil. The serpentine spring coupling can continue to oil during movement, keep oil lubrication state and grease will not overflow, at the same time, play the role of waterproof, dustproof, oil leakage prevention, etc., so as to achieve the effect of maintenance-free during use cycle.

[0024] The plastic oil is a high-molecular polymer material adsorbed with saturated lubricating oil, and the lubricating oil is stored in the micropores in the polymer based on surface tension. During operation, a small part of the lubricating oil slowly moves to the surface of the material under capillary action, and when the operation is stopped, the lubricating oil is reabsorbed and stored in the polymer.

[0025] The utility model discloses need not add self-lubricating device, and the lubricating grease can be stored after use, need not always fill lubricating oil. The plastic oil lubricates the friction area, and when continuously rubbing, the lubricating material always remains in the friction area, so that the friction pair always keeps the lubricating oil state, and is in the effective lubricating condition, thereby needing no oiling and achieving the maintenance-free effect.

[0026] The novel maintenance-free long-life coupling has good heat resistance and self-lubricating property, can be injection molded and is environmentally friendly and non-polluting, can be mass-produced and reduces costs. The product is maintenance-free during use, reduces after-sales maintenance costs and improves product service life.

[0027] It is still to be explained in the utility model that the core point of the utility model improves in the traditional lubricating grease in the coupling product is changed to the plastic body oil mentioned in the application.

[0028] Although some embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and all should belong to the scope of the utility model.

Claims

1. A new type of maintenance-free long-life coupling, characterized by, The utility model relates to a half coupling, including: Interconnected first half coupling and second half coupling, first half coupling and second half coupling are fixed by bolt and nut connection, first half coupling outside is provided with first cover, second half coupling outside is provided with second cover, first cover, second cover and first half coupling, second half coupling constitute a containing space between, the containing space is provided with plastic body oil.

2. A new type of maintenance-free long-life coupling according to claim 1, characterized in that, First half coupling and second half coupling are integral type structure, first cover, second cover are integral type structure also, and integral type first cover, second cover are provided with skeleton oil seal between integral type first half coupling and second half coupling, integral type first half coupling and second half coupling constitute a hollow shaft structure, integral type first half coupling and second half coupling are provided with outer ring cover on the other side, and rear steel ball is provided in outer ring cover, steel ball outside is provided with fixed ring, fixed ring is provided with plastic body oil between steel ball, outer ring cover.

3. A new type of maintenance-free long-life coupling as claimed in claim 1, wherein, Sealing ring is provided between first half coupling and second half coupling, and cover plate is respectively provided outside first cover and second cover.

4. A new type of maintenance-free long-life coupling as claimed in claim 1, wherein, The other side of the first half coupling and the second half coupling is respectively provided with a third cover and a fourth cover, a spring is arranged on the inner side of the third cover and the fourth cover, and the spring is arranged in the gap between the third cover, the fourth cover, the first half coupling and the second half coupling.

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