Nut with lubricating effect

Abstract

The nut with the lubricating effect comprises a nut body, a threaded hole is formed in the nut body in a penetrating mode, an inner containing cavity is formed in the side wall of the nut body, an oil storage piece is arranged in the inner containing cavity, an oil storage cavity is formed in the oil storage piece, and an oil injection hole is formed in the bottom of the oil storage cavity. A capillary hole is formed in the side, close to the side wall of the threaded hole, of the oil storage piece in a penetrating mode, an oil outlet assembly is arranged in the oil storage piece in a matched mode, an outer ring is arranged on the outer side wall of the nut body in a matched mode, a movable groove is formed between the outer ring and the nut body, and an extrusion mechanism is arranged between the movable groove and the nut body. During forward rotation, the nut body drives the outer ring to rotate together, the extrusion mechanism cannot extrude the oil outlet assembly to discharge oil, and the situation that the nut cannot be tightly engaged with a bolt due to lubricating oil is avoided; and during reverse rotation, the extrusion mechanism is driven by the nut body to extrude the oil outlet assembly, so that the clenching position of the nut and the screw is lubricated, and workers can conveniently disassemble the nut.

Description

Technical Field

[0001] The utility model relates to a nut, in particular to a nut with lubricating effect. Background Art

[0002] A nut is a nut that is screwed together with a bolt or screw to act as a fastener, and it is fixed by biting the threads.

[0003] During long-term use, affected by environmental factors (such as temperature, humidity, etc.), the threaded joints of nuts and bolts are prone to rust. When workers need to disassemble fasteners to inspect equipment, it is more laborious to disassemble the nuts. Therefore, we need a nut that can lubricate the joints when disassembling fasteners. Utility Model Content

[0004] The utility model provides a nut with lubricating effect, which solves the above problems existing in the use process of the prior art.

[0005] The technical solution of the utility model is achieved as follows: a nut with lubricating effect, comprising a nut body, a threaded hole is penetrated in the direction of the central axis of the nut body, an inner cavity with an opening facing upward is formed on the side wall of the nut body, an oil storage piece is provided in the inner cavity, an oil storage cavity is formed in the oil storage piece, an oil filling hole is formed at the bottom of the oil storage cavity, a capillary hole is penetrated on one side of the oil storage piece close to the side wall of the threaded hole, an oil outlet hole coaxial with the capillary hole is formed on the side wall of the threaded hole, and an oil outlet component is provided in the oil storage piece;

[0006] An outer ring is provided on the outer side wall of the nut body, a movable groove is provided between the outer ring and the nut body, and an extrusion mechanism for extruding the oil assembly is provided between the inner side wall of the movable groove and the outer side wall of the nut body.

[0007] Preferably, the oil outlet assembly includes an oil storage sponge and an extrusion rod;

[0008] The oil storage sponge is fixedly connected in the oil storage cavity, and the oil storage sponge covers the upper end of the oil filling hole. The nut body is provided with a sliding groove on a side wall of the inner cavity away from the oil storage sponge. The extrusion rod is slidably connected in the sliding groove and extends into the oil storage cavity. An oil pushing plate is fixedly connected to the end of the extrusion rod extending into the oil storage cavity, and the oil pushing plate is supported on the oil storage sponge.

[0009] Preferably, a tension spring is fixedly connected between a side of the oil pushing plate facing the sliding groove and the oil storage chamber.

[0010] Preferably, the extrusion mechanism comprises a pressing plate, one end of which is fixedly connected to the inner side wall of the outer ring;

[0011] A pressure groove corresponding to the pressure plate is provided on the outer side wall of the nut body, the pressure groove is connected to the sliding groove, the other end of the pressure plate extends into the pressure groove, and the end of the extrusion rod not connected to the oil pushing plate extends into the pressure groove.

[0012] Preferably, the radial width of the pressing groove is greater than the width of the pressing plate.

[0013] Preferably, two ends of the oil pushing plate are supported on the inner wall of the oil storage cavity.

[0014] Preferably, at least three of the pressure grooves are provided on the outer side wall of the nut body, and a corresponding number of the pressure plates are fixedly connected to the inner side wall of the outer ring.

[0015] In summary, the beneficial effects of the utility model are:

[0016] When rotating forward, the outer ring drives the nut body to rotate, and the extrusion mechanism will not squeeze oil out of the oil outlet assembly, preventing the nut from being unable to bite the bolt due to the lubricating oil; when rotating reversely, the extrusion mechanism squeezes the oil outlet assembly driven by the outer ring, thereby lubricating the biting point between the nut and the screw, making it easier for workers to disassemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 for Figure 1 A partial enlarged schematic diagram in the middle.

[0020] Numbers in the figure: 11, nut body; 12, threaded hole; 13, inner cavity; 14, oil storage part; 15, capillary hole; 16, oil outlet hole; 17, outer ring; 18, movable groove; 19, oil storage sponge; 20, extrusion rod; 21, sliding groove; 22, oil push plate; 23, tension spring; 24, pressure plate; 25, pressure groove; 26, oil filling hole. DETAILED DESCRIPTION

[0021] The following will be combined with the attached embodiment of the utility model Figure 1-2, clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example:

[0023] like Figure 1 to Figure 2 As shown, a nut with lubricating effect comprises a nut body 11, a threaded hole 12 is penetrated in the central axis direction of the nut body 11, an inner cavity 13 with an opening facing upward is formed on the side wall of the nut body 11, a detachable oil storage part 14 is provided in the inner cavity 13, an oil storage cavity for storing lubricating oil is formed in the oil storage part 14, an oil filling hole 26 is formed at the bottom of the oil storage cavity, a capillary hole 15 for lubricating oil to flow out is penetrated on one side of the oil storage part 14 close to the side wall of the threaded hole 12, an oil outlet hole 16 coaxial with the capillary hole 15 is formed on the side wall of the threaded hole 12, and an oil outlet component is provided in the oil storage part 14;

[0024] In addition, an outer ring 17 is provided on the outer side wall of the nut body 11 , a movable groove 18 is provided between the outer ring 17 and the nut body 11 , and a plurality of extrusion mechanisms for extruding oil components are provided between the inner side wall of the movable groove 18 and the outer side wall of the nut body 11 .

[0025] The working principle of the utility model is that when the operator loosens the outer ring 17, the extrusion mechanism is driven to extrude the oil outlet assembly, so that the biting point of the nut and the bolt is lubricated, which is convenient for the operator to disassemble.

[0026] The oil outlet assembly includes an oil storage sponge 19 and an extrusion rod 20;

[0027] The specific connection method of the oil outlet assembly is as follows: the oil storage sponge 19 is fixedly connected to the oil storage cavity, the nut body 11 is provided with a sliding groove 21 on a side wall of the inner cavity 13 away from the oil storage sponge 19, the extrusion rod 20 is slidably connected to the sliding groove 21 and extends into the oil storage cavity, and an oil push plate 22 is fixedly connected to the end of the extrusion rod 20 extending into the oil storage cavity, the oil push plate 22 is supported on the oil storage sponge 19, and a tension spring 23 is fixedly connected between the side of the oil push plate 22 facing the sliding groove 21 and the oil storage cavity.

[0028] The working principle of the oil outlet assembly is as follows: when the operator reverses the outer ring 17, the extrusion mechanism pushes the extrusion rod 20 to contact and compress the oil storage sponge 19, so that the oil storage sponge 19 discharges oil, and the lubricating oil then flows into the biting part of the nut body 11 and the screw through the capillary pores 15, thereby lubricating the two and facilitating disassembly by the operator.

[0029] It should be noted here that, since the aperture of the capillary pore 15 is very small, the lubricating oil cannot flow out of the capillary pore 15 without external force due to the surface tension of the lubricating oil. Therefore, both ends of the oil pushing plate 22 need to be against the inner wall of the oil storage cavity, so that when the extrusion mechanism pushes the oil pushing plate 22, the pressure in the oil storage cavity close to the capillary pore 15 increases, so that the lubricating oil squeezed out of the extrusion rod 20 breaks through the surface tension at the capillary pore 15 and flows into the biting part of the nut body 11 and the bolt. The extrusion mechanism includes a pressing plate 24, one end of which is fixedly connected to the inner wall of the outer ring 17;

[0030] The specific connection structure of the extrusion mechanism is as follows: a pressure groove 25 corresponding to the pressure plate 24 is opened on the outer wall of the nut body 11, and the pressure groove 25 is connected to the sliding groove 21. The other end of the pressure plate 24 extends into the pressure groove 25, and the end of the extrusion rod 20 that is not connected to the oil pushing plate 22 extends into the pressure groove 25.

[0031] The working principle of the extrusion mechanism is as follows: when the operator is tightening the nut, the outer ring 17 rotates forward to make the pressing plate 24 abut against the side surface of the pressing groove 25 away from the nut body 11, so as to achieve the effect of limiting the pressing plate 24, thereby driving the nut body 11 to rotate synchronously with the nut body 11;

[0032] When it is necessary to loosen the nut to inspect the equipment, the operator reverses the outer ring 17. During the rotation, the pressure plate 24 abuts against the extrusion rod 20 and pushes it toward the extrusion rod 20, so that the extrusion rod 20 squeezes out oil to lubricate the nut body 11 and the bolt biting point.

[0033] In addition, the radial width of the pressing groove 25 should be greater than the width of the pressing plate 24, and the gap on the side of the pressing groove 25 close to the sliding groove 21 should be greater than the gap on the side of the pressing groove 25 away from the sliding groove 21, so as to leave enough extrusion space for the extrusion rod 20, so that the extrusion rod 20 can squeeze out more lubricating oil when reversing, thereby facilitating disassembly and assembly by operators.

[0034] It should be noted here that the inner cavity 13 and the movable groove 18 in the present invention both pass through the upper end surface of the nut body 11, so that when the operator finds that there is no lubricating oil in the oil storage part 14, he can use tools to remove the oil storage part 14 from the inner cavity 13 and fill oil into the oil storage cavity through the oil filling hole 26.

[0035] Furthermore, in the utility model, at least three pressure grooves 25 are provided on the outer wall of the nut body 11, and a corresponding number of pressure plates 24 are fixedly connected to the inner wall of the outer ring 17, so as to avoid the situation where the outer ring 17 cannot drive the nut body 11 to rotate after one of the pressure plates 24 breaks.

[0036] It should also be pointed out that the terms used in the present invention, such as "front", "rear", "vertical", "horizontal", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are only used to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A nut with a lubricating effect, comprising a nut body (11), wherein a threaded hole (12) is formed through the nut body (11) in the direction of the central axis thereof, wherein: An inner cavity (13) with an opening facing upward is formed on the side wall of the nut body (11), an oil storage member (14) is formed in the inner cavity (13), an oil storage cavity is formed in the oil storage member (14), an oil filling hole (26) is formed at the bottom of the oil storage cavity, a capillary hole (15) is formed through the side of the oil storage member (14) close to the side wall of the threaded hole (12), an oil outlet hole (16) coaxial with the capillary hole (15) is formed on the side wall of the threaded hole (12), and an oil outlet assembly is provided in the oil storage member (14); An outer ring (17) is provided on the outer side wall of the nut body (11), a movable groove (18) is provided between the outer ring (17) and the nut body (11), and an extrusion mechanism for extruding an oil-extracting component is provided between the inner side wall of the movable groove (18) and the outer side wall of the nut body (11).

2. A nut with lubricating effect according to claim 1, characterized in that: The oil outlet assembly comprises an oil storage sponge (19) and a squeezing rod (20); The oil storage sponge (19) is fixedly connected to the oil storage cavity. The oil storage sponge (19) covers the upper end of the oil filling hole (26). The nut body (11) is provided with a sliding groove (21) on a side wall of the inner cavity (13) away from the oil storage sponge (19). The extrusion rod (20) is slidably connected to the sliding groove (21) and extends into the oil storage cavity. An oil push plate (22) is fixedly connected to the end of the extrusion rod (20) extending into the oil storage cavity. The oil push plate (22) is supported on the oil storage sponge (19).

3. A nut with lubricating effect according to claim 2, characterized in that: A tension spring (23) is fixedly connected between a side surface of the oil pushing plate (22) facing the sliding groove (21) and the oil storage chamber.

4. A nut with lubricating effect according to claim 2, characterized in that: The extrusion mechanism comprises a pressing plate (24), one end of the pressing plate (24) being fixedly connected to the inner wall of the outer ring (17); A pressing groove (25) corresponding to the pressing plate (24) is formed on the outer wall of the nut body (11); the pressing groove (25) is connected to the sliding groove (21); the other end of the pressing plate (24) extends into the pressing groove (25); and the end of the extrusion rod (20) not connected to the oil pushing plate (22) extends into the pressing groove (25).

5. A nut with lubricating effect according to claim 4, characterized in that: The radial width of the pressing groove (25) is greater than the width of the pressing plate (24).

6. A nut with lubricating effect according to claim 2, characterized in that: Two ends of the oil pushing plate (22) are supported on the inner wall of the oil storage cavity.

7. The nut with lubricating effect according to claim 4, characterized in that: At least three pressing grooves (25) are provided on the outer side wall of the nut body (11), and a corresponding number of pressing plates (24) are fixedly connected to the inner side wall of the outer ring (17).

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