Core rod lubricating chain with self-lubricating performance

Abstract

A core rod lubricating chain with self-lubricating performance comprises a pin shaft, the two ends of the pin shaft are connected with a first outer chain link and a second outer chain link respectively, one end of the pin shaft is of a cylindrical structure matched with an inner mounting hole of the first outer chain link, the other end of the pin shaft is of a cylindrical structure, and a horizontal flat key is arranged on the periphery of the cylindrical structure. The horizontal flat key is combined with the cylindrical structure to be matched with the inner mounting hole of the second outer link; a second deep groove ball bearing is connected to the periphery of the horizontal flat key combined cylindrical structure in a sleeved mode, a third spacer bush connected with the pin shaft in a sleeved mode is arranged between the second deep groove ball bearing and the second outer link, a fourth spacer bush connected with the pin shaft in a sleeved mode is arranged on the outer side of the second deep groove ball bearing, and a second round nut connected with the pin shaft in a threaded mode is arranged on the outer side of the fourth spacer bush. A lubricating groove is formed between the fourth spacer bush, the third spacer bush, the inner wall of the second deep groove ball bearing and the pin shaft, and the two ends of the lubricating groove are sealed through a second outer chain link and a second round nut. According to the core rod lubricating chain, the lubricating performance is improved through the relatively closed lubricating groove structure, and the service life of the core rod lubricating chain with the self-lubricating performance is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of chain, particularly to a core rod lubrication chain with self-lubricating performance. BACKGROUND

[0002] The core rod lubrication chain is a conveying chain with special lubricant sprayed on the surface of the core rod. The existing core rod lubrication chain sprays lubricant after the core rod is disassembled, and then the core rod is conveyed to the pre-piercing position through a special conveying chain.

[0003] The existing utility model patent with the application number 201320131766.4 and the name of core rod lubrication chain device sprays lubricant by disassembly, and then installs the core rod lubrication chain back in the special conveying chain after spraying. How to make the core rod lubrication chain store lubricant itself, without frequent disassembly and lubricant addition, to avoid the impact of frequent disassembly of the core rod lubrication chain on the working efficiency of the core rod lubrication chain is the object of research for the technical personnel in the field. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of core rod lubrication chain with self-lubricating performance of not needing frequent disassembly and adding lubricant, itself can store lubricant.

[0005] A kind of core rod lubrication chain with self-lubricating performance, including pin shaft, pin shaft two ends are connected first outer link and second outer link respectively, the one end of pin shaft is cylindrical structure cooperation first outer link inner mounting hole, the other end of pin shaft is also cylindrical structure, cylindrical structure outer periphery is equipped with horizontal key, horizontal key is combined with cylindrical structure and cooperates with the inner mounting hole of second outer link;Second deep groove ball bearing is sleeved on the outer periphery of horizontal key and cylindrical structure, third spacer sleeve for sleeving pin shaft is arranged between second deep groove ball bearing and second outer link, fourth spacer sleeve for sleeving pin shaft is arranged on the outer side of second deep groove ball bearing, second round nut for threadedly connecting pin shaft is arranged on the outer side of fourth spacer sleeve, lubricating groove is arranged between third spacer sleeve, fourth spacer sleeve, second deep groove ball bearing inner wall and pin shaft, and the both ends of lubricating groove are closed by second outer link and second round nut.The pin shaft is asymmetric structure, the setting of asymmetric structure makes the structure of core rod lubrication chain more stable, and also can bear larger load and impact force, to ensure the stability of core rod lubrication chain when running.

[0006] Second running wheel is sleeved on the outer periphery of second deep groove ball bearing, second limit flange is arranged on the one side of second deep groove ball bearing, clamping groove is arranged on the other side of second deep groove ball bearing, clamping groove is clamped and connected with the outer wall of second retainer, fourth spacer sleeve is sleeved on the inner wall of second retainer, and second deep groove ball bearing is connected with the side surface of second retainer.The design of clamping groove makes core rod lubrication chain itself can store lubricating grease, without frequent lubricating grease addition to core rod lubrication chain, to increase the service life of core rod lubrication chain.

[0007] The first outer link is connected with a first spacer sleeve on one side, the first spacer sleeve is sleeved on one end of the pin shaft cylindrical structure, the first spacer sleeve is sleeved with a first running wheel on the outer periphery of the first deep groove ball bearing, the first running wheel is provided with a first limiting flange on one side of the first deep groove ball bearing, and is provided with a clamping groove on the other side of the first deep groove ball bearing, the clamping groove is connected with the outer wall of the first retainer, the inner wall of the first retainer is sleeved with a second spacer sleeve, and the side surface of the first retainer is connected with the first deep groove ball bearing. The retainer makes the deep groove ball bearing not directly contact with the running wheel, reduces the friction generated by the core rod lubricating chain during work, and prolongs the service life of the core rod lubricating chain.

[0008] The second deep groove ball bearing and the first deep groove ball bearing are both axial double-ball bearing structures. The double-bearing structure improves the working efficiency of the core rod lubricating chain with self-lubricating performance.

[0009] The relative closed lubricating groove structure increases the lubricating performance and prolongs the service life of the core rod lubricating chain with self-lubricating performance. BRIEF DESCRIPTION OF DRAWINGS

[0010] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced the drawings needed to be used in the embodiment description, obviously, the drawings in the following description only some embodiments of the utility model, for the ordinary skilled in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0011] Figure 1 It is a sectional view structure schematic diagram of the core rod lubricating chain with self-lubricating performance of the utility model;

[0012] Figure 2 It is a sectional view structure schematic diagram of the first running wheel of the core rod lubricating chain with self-lubricating performance of the utility model;

[0013] Figure 3 It is a sectional view structure schematic diagram of the first spacer sleeve of the core rod lubricating chain with self-lubricating performance of the utility model;

[0014] Figure 4 It is a sectional view structure schematic diagram of the second spacer sleeve of the core rod lubricating chain with self-lubricating performance of the utility model;

[0015] Figure 5 It is a pin shaft structure schematic diagram of the core rod lubricating chain with self-lubricating performance of the utility model;

[0016] Figure 6 It is a horizontal key cross section structure schematic diagram of the core rod lubricating chain with self-lubricating performance of the utility model. DETAILED DESCRIPTION

[0017] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0018] As shown in the drawings, Figures 1-6 A core rod lubrication chain with self-lubricating performance, comprising a pin shaft 2, the pin shaft 2 is connected with a first outer link 1 and a second outer link 9 at both ends respectively, one end of the pin shaft 2 is a cylindrical structure matched with an inner mounting hole of the first outer link 1, the other end of the pin shaft 2 is also a cylindrical structure, a horizontal key 17 is arranged on the outer periphery of the cylindrical structure, the horizontal key 17 is matched with the cylindrical structure to cooperate with an inner mounting hole of the second outer link 9; a second deep groove ball bearing 13 is sleeved on the outer periphery of the horizontal key 17 and the cylindrical structure, a third spacer sleeve 11 sleeving the pin shaft 2 is arranged between the second deep groove ball bearing 13 and the second outer link 9, a fourth spacer sleeve 12 sleeving the pin shaft 2 is arranged on the outer side of the second deep groove ball bearing 13, a second circular nut 14 threadedly connected with the pin shaft 2 is arranged on the outer side of the fourth spacer sleeve 12, a lubricating groove 16 is arranged between the inner walls of the third spacer sleeve 11, the fourth spacer sleeve 12, the second deep groove ball bearing 13 and the pin shaft 2, and the lubricating groove 16 is closed at both ends by the second outer link 9 and the second circular nut 14.

[0019] As a structural optimization, a second running wheel 10 is sleeved on the outer periphery of the second deep groove ball bearing 13, the second running wheel 10 is provided with a second limiting flange 19 on one side of the second deep groove ball bearing 13, and is provided with a clamping groove on the other side of the second deep groove ball bearing 13, the clamping groove is clamped and connected with the outer wall of a second retainer ring 15, the inner wall of the second retainer ring 15 is sleeved with the fourth spacer sleeve 12, and the side surface of the second retainer ring 15 is connected with the second deep groove ball bearing 13.

[0020] As a structural optimization, a first spacer sleeve 4 is connected with one side of the first outer link 1, the first spacer sleeve 4 is sleeved on one end of the cylindrical structure of the pin shaft 2, the first spacer sleeve 4 is sleeved with a first deep groove ball bearing 6 on the outer periphery, a first running wheel 3 is provided with a first limiting flange 18 on one side of the first deep groove ball bearing 6, and is provided with a clamping groove on the other side of the first deep groove ball bearing 6, the clamping groove is clamped and connected with the outer wall of a first retainer ring 8, the inner wall of the first retainer ring 8 is sleeved with a second spacer sleeve 5, and the side surface of the first retainer ring 8 is connected with the first deep groove ball bearing 6. The second deep groove ball bearing 13 and the first deep groove ball bearing 6 are both axial double ball bearing structures.

[0021] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and the ordinary skilled in the art can change, modify, replace and transform the above-mentioned embodiments within the scope of the utility model without departing from the principles and purposes of the utility model. The scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A core rod lubrication chain with self-lubricating performance, comprising a pin shaft (2), the pin shaft (2) is connected with a first outer link (1) and a second outer link (9) at both ends respectively, characterized in that: The pin shaft (2) is provided with a cylindrical structure at one end, which is matched with the inner mounting hole of the first outer link (1), and the other end of the pin shaft (2) is also provided with a cylindrical structure, and the outer periphery of the cylindrical structure is provided with a horizontal key (17), the horizontal key (17) is matched with the cylindrical structure to cooperate with the inner mounting hole of the second outer link (9); the outer periphery of the horizontal key (17) and the cylindrical structure is sleeved with a second deep groove ball bearing (13), a third spacer sleeve (11) sleeved with the pin shaft (2) is arranged between the second deep groove ball bearing (13) and the second outer link (9), the outer side of the second deep groove ball bearing (13) is provided with a fourth spacer sleeve (12) sleeved with the pin shaft (2), the outer side of the fourth spacer sleeve (12) is provided with a second circular nut (14) threaded connected with the pin shaft (2), and a lubricating groove (16) is arranged between the third spacer sleeve (11), the fourth spacer sleeve (12), the inner wall of the second deep groove ball bearing (13) and the pin shaft (2), and the lubricating groove (16) is closed at both ends by the second outer link (9) and the second circular nut (14).

2. The core rod lubricating chain with self-lubricating performance according to claim 1, characterized in that: The outer periphery of the second deep groove ball bearing (13) is sleeved with a second running wheel (10), the second running wheel (10) is provided with a second limiting flange (19) on one side of the second deep groove ball bearing (13), and is provided with a clamping groove on the other side of the second deep groove ball bearing (13), the clamping groove is clamped and connected with the outer wall of the second retainer (15), the inner wall of the second retainer (15) is sleeved with the fourth spacer sleeve (12), and the side surface of the second retainer (15) is connected with the second deep groove ball bearing (13).

3. The core rod lubricating chain with self-lubricating performance according to claim 1, characterized in that: The first outer link (1) is connected with a first spacer sleeve (4) on one side, the first spacer sleeve (4) is sleeved at one end of the cylindrical structure of the pin shaft (2), the first spacer sleeve (4) is sleeved with a first running wheel (3) at the outer periphery of a first deep groove ball bearing (6), the first running wheel (3) is provided with a first limiting flange (18) on one side of the first deep groove ball bearing (6), and is provided with a clamping groove on the other side of the first deep groove ball bearing (6), the clamping groove is clamped and connected with the outer wall of the first retainer (8), the inner wall of the first retainer (8) is sleeved with the second spacer sleeve (5), and the side surface of the first retainer (8) is connected with the first deep groove ball bearing (6).

4. The core rod lubricating chain with self-lubricating performance according to claim 1, characterized in that: The second deep groove ball bearing (13) and the first deep groove ball bearing (6) are both axial double ball bearing structures.

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