CN218509928U

CN218509928U - Sealed lubrication fastening nut

Info

Publication number: CN218509928U
Application number: CN202222502093.0U
Authority: CN
Inventors: 冯祖靖; 张国强
Original assignee: Tonglu Fenghua Hardware Fittings Co ltd
Current assignee: Tonglu Fenghua Hardware Fittings Co ltd
Priority date: 2022-09-21
Filing date: 2022-09-21
Publication date: 2023-02-21
Anticipated expiration: 2032-09-21

Abstract

The utility model relates to a fastener technical field just discloses a sealed lubrication fastening nut, including lower nut, upper nut and chamfer, the outer closing cap of last fixedly connected with of upper nut, the oil filler point has been seted up in the top axle center department of outer closing cap, the screw hole has been seted up to the inside of upper nut, screw hole down has been seted up to the inside of lower nut, the spout has been seted up to the inside of upper nut, the inside fixedly connected with stopper of spout the inside sliding connection of spout has interior closing cap, inner cup oil leak hole has been seted up around the bottom of interior closing cap, lubricated transmission device cooperation groove has been seted up to the bottom of upper nut, guide pipeline has been seted up to the inside of upper nut, this sealed lubrication fastening nut, through the chucking ring of upper nut bottom and the chucking groove on lower nut top, chucking ring and chucking groove can block each other when screwing up, has also played the sealed effect of lubricating oil to the inside joining of nut simultaneously.

Description

Sealed lubrication fastening nut

Technical Field

The utility model relates to a fastener technical field specifically is a sealed lubricated fastening nut.

Background

The nut is a nut, is screwed together with a bolt or a screw rod to play a role in fastening, can be connected with the bolt through the threads on the inner side and is mainly used for automobiles, cars, trucks, buses, compressors, construction machinery, wind power generation equipment, agricultural machinery, fasteners, casting industry and drilling equipment.

General nut structure function is fairly simple, and the effect when using is more single, and the hookup location that needs lubrication to some complex construction must cooperate multiple accessory just can accomplish the installation, and the space that not only occupies during the assembly is big, and the assembly efficiency is low to leakproofness when using is general, can't satisfy high leakproofness integrated configuration's connection demand.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a sealed lubricated fastening nut possesses sealed lubricated fastening advantage.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sealed lubricated fastening nut, includes lower nut, upper nut and chamfer, the outer closing cap of last upper surface fixedly connected with of upper nut, the oil filler point has been seted up to the top axle center department of outer closing cap, the screw hole has been seted up to the inside of upper nut, the screw hole has been seted up down to the inside of lower nut, the spout has been seted up to the inside of upper nut, the inside fixedly connected with stopper of spout, stopper block interior closing cap and make interior closing cap not rotate outside closing cap inside, the inside sliding connection of spout has interior closing cap, the inner cup oil leak hole has been seted up around the bottom of interior closing cap, lubricated transmission device cooperation groove has been seted up to the bottom of upper nut, upper guide pipe has been seted up to the inside of upper nut, upper guide pipe is connected with lubricated transmission device cooperation groove, upper nut's bottom fixedly connected with chucking ring, lubricated transmission device cooperation groove has been seted up down to the top of lower nut, lower guide pipe has been seted up to the inside of lower nut, and has been connected with lubricated transmission device cooperation groove down, the chucking groove has been seted up to the top of lower nut.

Preferably, interior closing cap sliding connection is at the surface of stopper, chucking ring sliding connection is in the inside in chucking groove, and the surface of chucking ring and the internal surface size adaptation in chucking groove.

Preferably, the number of the lower guide ducts is six, and each of the lower guide ducts is located at a position between the included angles of the adjacent side surfaces outside the lower nut, so that the flow of the lubricating oil is facilitated.

Preferably, the number of the upper guide pipes is six, and each upper guide pipe is located at a position between included angles of adjacent side surfaces of the outer side of the upper nut, so that the flow of the lubricating oil is facilitated.

Preferably, the bottom of chucking ring is the cockscomb structure with the top in chucking groove, and the chucking ring is the same with the sawtooth quantity in chucking groove, and the sawtooth can block each other when screwing up nut and lower nut.

Preferably, the inner cover oil leakage holes are formed around the bottom end of the inner closing cover, and the number of the inner cover oil leakage holes is six, and the six inner cover oil leakage holes are also located at the upper end of the upper guide pipeline.

Has the advantages that:

1. this sealed lubricated fastening nut, the chucking ring through last nut bottom and the chucking groove on lower nut top can block each other with the chucking groove and die when screwing up, has also played the lubricating oil confined effect of adding to the nut inside simultaneously.

2. This sealed lubricated fastening nut through interior closing cap sliding connection in outer closing cap, when the top of interior closing cap is pushed up to the bolt bottom, thereby can with interior closing cap up promote make interior closing cap and outer closing cap step up and played the confined effect.

Drawings

Fig. 1 is a schematic view of the overall structure of a seal lubrication fastening nut of the present invention;

FIG. 2 is a cross-sectional view of a seal lubrication fastening nut of the present invention;

fig. 3 is a schematic view of the structure of the upper nut of the sealed and lubricated fastening nut of the present invention;

fig. 4 is the structure schematic diagram of the lower nut of the sealed and lubricated fastening nut of the present invention.

In the figure: 1. a lower nut; 2. screwing a nut; 3. chamfering; 4. an outer closure cap; 5. an oil filler hole; 6. an upper threaded hole; 7. a lower threaded hole; 8. an inner closure cap; 9. a limiting block; 10. an inner cover oil leakage hole; 11. an upper guide duct; 12. a clamping ring; 13. a clamping groove; 14. a lower guide duct; 15. the upper lubricating transmission device is matched with the groove; 16. the lower lubricating transmission device is matched with the groove; 17. a chute.

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. 1-4, a sealed lubrication fastening nut includes a lower nut 1, an upper nut 2 and a chamfer 3, an upper surface of the upper nut 2 is fixedly connected with an outer sealing cover 4, an oil injection hole 5 is formed at the top axis of the outer sealing cover 4, an upper threaded hole 6 is formed in the upper nut 2, a lower threaded hole 7 is formed in the lower nut 1, a sliding groove 17 is formed in the upper nut 2, a limiting block 9 is fixedly connected to the inside of the sliding groove 17, the limiting block 9 clamps the inner sealing cover 8 to prevent the inner sealing cover 8 from rotating inside the outer sealing cover 4, an inner sealing cover oil leakage hole 10 is formed around the bottom end of the inner sealing cover 8, an upper lubrication transmission device matching groove 15 is formed in the bottom end of the upper nut 2, an upper guide pipeline 11 is formed in the upper nut 2, the upper guide pipeline 11 is connected with the upper lubrication transmission device matching groove 15, a clamping ring 12 is fixedly connected to the bottom end of the upper nut 2, a lower lubrication transmission device matching groove 16 is formed in the top end of the lower nut 1, a lower guide pipeline 14 is connected with the lower transmission device matching groove 16, and a lubrication matching groove 13 is formed in the lower nut 1.

Wherein, interior closing cap 8 sliding connection is in the surface of stopper 9, and chucking ring 12 sliding connection is in the inside of chucking groove 13, and the surface of chucking ring 12 and the internal surface size adaptation of chucking groove 13.

Wherein the number of the lower guide ducts 14 is six and each lower guide duct 14 is located at a position between the included angles of the adjacent side surfaces of the outer side of the lower nut 1, thus facilitating the flow of the lubricating oil.

Wherein the number of the upper guide ducts 11 is six, and each upper guide duct 11 is located at a position between the included angles of the adjacent side surfaces outside the upper nut 2, thus facilitating the flow of the lubricating oil.

Wherein, the bottom of chucking ring 12 is the cockscomb structure with the top in chucking groove 13, and chucking ring 12 is the same with the sawtooth quantity in chucking groove 13, and the sawtooth can block each other when screwing up nut 2 and lower nut 1.

Wherein, inner cup oil leak hole 10 sets up around the bottom of inner closing cap 8, and the number of inner cup oil leak hole 10 is six, is located the upper end of guide pipeline 11 equally.

The working principle is as follows:

when the nut needs to be tightened, firstly, the clamping ring 12 at the bottom end of the upper nut 2 is inserted into the clamping groove 13 at the top end of the lower nut 1, the saw teeth can be clamped with each other when the upper nut 2 and the lower nut 1 are tightened, then the lower nut 1 is placed on the top end of the bolt to rotate, when the bolt is placed inside the upper nut 2, if lubricating oil is added into the nut, lubricating oil is injected into the oil injection hole 5 at the top end of the outer closed cover 4, one part of the injected lubricating oil can directly flow to the top of the bolt, the other part of the injected lubricating oil can be injected into the lubricating transmission device matching groove 15 through the upper guide pipeline 11, then the lubricating transmission device matching groove 16 is transmitted to the bottom end of the lower nut 1 through the lower guide pipeline 14, the nut is continuously tightened after the top end of the bolt is rotated to the bottom end of the inner closed cover 8, then the inner closed cover 8 is pushed upwards by the bolt, and then the outer wall of the inner closed cover 8 is tightly attached to the inner wall of the outer closed cover 4, so that the inside of the nut is in a closed state.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 lubricated fastening nut, includes lower nut (1) and upper nut (2), chamfer (3), its characterized in that have been seted up at the upper nut top: the upper surface of the upper nut (2) is fixedly connected with an outer sealing cover (4), an oil filling hole (5) is formed in the top axis of the outer sealing cover (4), an upper threaded hole (6) is formed in the upper nut (2), a lower threaded hole (7) is formed in the lower nut (1), a sliding groove (17) is formed in the upper nut (2), a limiting block (9) is fixedly connected with the inside of the sliding groove (17), an inner sealing cover (8) is connected to the sliding groove (17) in the inner portion, an inner cover oil leakage hole (10) is formed around the bottom end of the inner sealing cover (8), an upper lubricating transmission device matching groove (15) is formed in the bottom end of the upper nut (2), an upper guide pipeline (11) is formed in the upper nut (2), a clamping ring (12) is fixedly connected with the bottom end of the upper nut (2), a lower lubricating transmission device matching groove (16) is formed in the top end of the lower nut (1), a lower guide pipeline (14) is formed in the inside of the lower nut (1), and a clamping groove (13) is formed in the top end of the lower nut (1).

2. The seal-lubricated fastening nut as claimed in claim 1, wherein: the inner closing cover (8) is connected to the outer surface of the limiting block (9) in a sliding mode.

3. The seal-lubricated fastening nut as claimed in claim 1, wherein: the clamping ring (12) is connected inside the clamping groove (13) in a sliding mode, and the size of the outer surface of the clamping ring (12) is matched with that of the inner surface of the clamping groove (13).

4. The seal-lubricated fastening nut as claimed in claim 1, wherein: the number of the lower guide pipelines (14) is six, and each lower guide pipeline (14) is positioned at a position between included angles of adjacent side surfaces on the outer side of the lower nut (1).

5. The seal-lubricated fastening nut as claimed in claim 1, wherein: the number of the upper guide pipelines (11) is six, and each upper guide pipeline (11) is positioned at a position between included angles of adjacent side surfaces on the outer side of the upper nut (2).

6. The seal-lubricated fastening nut as claimed in claim 1, wherein: the bottom end of the clamping ring (12) and the top end of the clamping groove (13) are both in a sawtooth shape, and the quantity of the sawteeth of the clamping ring (12) and the quantity of the sawteeth of the clamping groove (13) are the same.

7. The sealed, lubricated, fastening nut according to claim 1, wherein: the inner cover oil leakage holes (10) are formed in the periphery of the bottom end of the inner closed cover (8), the number of the inner cover oil leakage holes (10) is six, and the inner cover oil leakage holes are also located in the upper end of the upper guide pipeline (11).