CN217355145U - High-precision flywheel bolt - Google Patents

Abstract

The application discloses a high-precision flywheel bolt which comprises a screw rod, wherein a nut head is integrally formed at one end of the screw rod; the anti-rust unit comprises a baffle ring which is arranged at the bottom of the outer wall of the nut head; the sleeve cover is sleeved on the outer wall of the nut head; the lubricating unit comprises a plurality of lubricating grooves which are distributed on the outer side wall of the bolt at intervals; the storage tank is arranged on the top of the nut head; the connecting unit, it is used for intercommunication hold up tank and each lubrication groove, in daily use, through adopting above-mentioned technical scheme, through the setting of upper shield and fender ring, reduces the impaired probability of nut head outer wall and the contact of rainwater, makes the life of nut head improve, through the setting of lubrication groove, hold up tank and connecting unit, makes lubricating oil can obtain lubricated between the screw on screw rod and the equipment, the taking out of the screw rod of being convenient for.

Description

High-precision flywheel bolt

Technical Field

The utility model relates to a high accuracy flywheel bolt.

Background

The bolt is a mechanical part, and is a fastener consisting of a head part and a screw rod and used for fastening and connecting two parts with through holes. In the process of mounting or dismounting, because the bolt body does not have a flow guide effect on lubricating oil, the traditional flywheel bolt can cause the necrosis of threads on the bolt body because the bolt is mounted or dismounted, so that the service life is shortened, and because the nut head is exposed outside, the flywheel bolt is easy to corrode and damage, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem who exists among the prior art.

The application provides a high accuracy flywheel bolt includes:

a screw rod having a nut head integrally formed at one end thereof;

the antirust unit is sleeved outside the nut head;

and the lubricating unit is used for lubricating the screw.

The rust prevention unit includes:

the baffle ring is arranged at the bottom of the outer wall of the nut head;

the sleeve cover is sleeved on the outer wall of the nut head;

wherein, all be equipped with the screw thread on the first lateral wall of cover inside wall and nut, the cover passes through threaded connection with the first outer wall of nut.

The lubrication unit includes:

a plurality of lubricating grooves which are distributed on the outer side wall of the bolt at intervals;

the storage tank is arranged at the top of the nut head;

and the connecting unit is used for communicating the storage tank with each lubricating tank.

The connection unit includes:

a connecting groove arranged at the bottom of the storage tank;

a connecting hole communicating the connecting groove and one of the lubricating grooves;

and the annular groove is arranged on the bottom surface of the nut head and is communicated with the lubricating grooves.

The connection unit further includes:

the lifting slide block is vertically and slidably arranged between the connecting groove and the storage tank;

the clamping edge is arranged on the upper part of the outer side wall of the lifting slide block and is in sliding fit with the inner wall of the storage tank;

the return spring is arranged between the bottom surface of the clamping edge and the bottom of the storage groove;

the side groove is arranged at the lower part of the outer side wall of the lifting slide block;

wherein, the top end of the lifting slide block movably penetrates through the rust-proof unit.

The connection unit further includes:

and the inner hexagonal groove is arranged at the top end of the lifting slide block.

The connection unit further includes:

and the sealing ring is arranged between the peripheral side wall of the clamping edge and the inner side wall of the storage groove.

The utility model has the advantages as follows:

1. through the arrangement of the sleeve cover and the baffle ring, the probability of damage of the outer wall of the nut head is reduced, the contact of rainwater is reduced, and the service life of the nut head is prolonged;

2. through the arrangement of the lubricating groove, the storage groove, the connecting hole and the annular groove, lubricating oil can lubricate the space between the screw rod and a screw hole on equipment, so that the screw rod can be taken out conveniently;

3. through the arrangement of the lifting slide block, the clamping edge, the return spring, the side groove and the sealing ring, when the screw rod is not required to be disassembled, an oil way of lubricating oil is cut off, so that the phenomenon that the lubricating oil is not used due to leakage when the lubricating oil is not required to be used is avoided while the lubricating oil is prevented from being polluted by impurities;

4. through the setting in interior hexagonal groove, order about screw rod and nut head and rotate, need not the first outer wall of contact nut, further reduce the impaired probability of the first outer wall of nut, improve the life of nut head.

Drawings

FIG. 1 is a front view of a high-precision flywheel bolt according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a lifting slider in the embodiment of the present application.

Reference numerals

1-screw rod, 2-nut head, 3-baffle ring, 4-sleeve cover, 5-lubricating groove, 6-storage groove, 7-connecting groove, 8-connecting hole, 9-ring groove, 10-lifting slide block, 11-clamping edge, 12-reset spring, 13-side groove, 14-inner hexagonal groove and 15-sealing ring.

Detailed Description

The technical solutions in the embodiments of the present application will be described below clearly with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived from the embodiments in the present application by a person skilled in the art, are within the scope of protection of the present application.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

The server provided by the embodiment of the present application is described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.

As shown in fig. 1 to 2, the present embodiment provides a high-precision flywheel bolt, which includes a screw rod 1, one end of which is integrally formed with a nut head 2; an antirust unit sleeved outside the nut head 2; and a lubrication unit for lubricating the screw 1.

Further, the rust-proof unit comprises a baffle ring 3 which is arranged at the bottom of the outer wall of the nut head 2; the upper cover 4, its cover is established at the first 2 outer walls of nut, all is equipped with the screw thread on 4 inside walls of upper cover and the first 2 outer walls of nut, and upper cover 4 passes through threaded connection with the first 2 outer walls of nut.

Further, the lubricating unit comprises a plurality of lubricating grooves 5 which are distributed on the outer side wall of the bolt at intervals; a storage tank 6 provided on the top of the nut head 2; and a connection unit for connecting the reserve tank 6 and each lubrication tank 5.

Further, the connection unit includes a connection groove 7 provided at the bottom of the storage tank 6; a connecting hole 8 communicating the connecting groove 7 and one of the lubricating grooves 5; and the annular grooves 9 are arranged on the bottom surface of the nut head 2 and are communicated with the lubricating grooves 5.

Further, the connecting unit further comprises a lifting slider 10 which is vertically and slidably mounted between the connecting groove 7 and the storage groove 6; the clamping edge 11 is arranged at the upper part of the outer side wall of the lifting slide block 10 and is in sliding fit with the inner wall of the storage groove 6; a return spring 12 arranged between the bottom surface of the clamping edge 11 and the bottom of the storage groove 6; and a side groove 13 which is arranged at the lower part of the outer side wall of the lifting slide block 10, and the top end of the lifting slide block 10 movably penetrates through the rust-proof unit.

Further, the connection unit further includes an inner hexagonal groove 14 provided at the top end of the lifting slider 10.

Further, the connection unit further includes a sealing ring 15 disposed between the peripheral side wall of the rim 11 and the inner side wall of the storage tank 6.

In some embodiments of the application, due to the above structure, the bottom end of the lifting slider 10 is inserted into the connecting groove 7, after lubricating oil is added into the storage groove from the gap between the clamping edge 11 and the top of the nut head 2, the lifting slider 10 is lowered until the clamping edge 11 enters the storage groove and abuts against the top end of the spring, then the sleeve cover 4 is installed on the outer side of the nut head 2 through threads until the bottom end of the sleeve cover 4 contacts with the baffle ring 3, the inner wall of the top part contacts with the clamping edge 11, a hole is preset on the top of the sleeve cover 4 for the top end of the lifting slider 10 to extend out, during installation, the lifting slider 10 is pressed through a tool to be matched with the inner hexagonal groove 14, the nut head 2 and the screw rod 1 are rotated until the screw rod 1 goes deep into a screw hole on the equipment, the bottom surfaces of the nut head 2 and the baffle ring 3 abut against the installation surface of the equipment, when the bolt and the nut head 2 are to be disassembled, the lifting slider 10 is lowered in the storage groove 6 and the connecting groove 7, until the bottom end of the side groove 13 is communicated with the connecting hole 8, the spring is compressed to deform and shorten, the lubricating oil in the storage groove 6 enters one lubricating groove 5 after passing through the side groove 13 and the connecting hole 8, after the lubricating groove 5 is filled with the lubricating oil, the redundant lubricating oil enters other lubricating grooves 5 through the ring groove 9 and infiltrates between the bolt and a screw hole on the equipment to lubricate, at the moment, the pressing of the lifting slide block 10 is loosened, the spring is restored, the clamping edge 11 is pushed to rise in the storage groove 6 to drive the lifting slide block 10 to rise in the connecting groove 7, so that the bottom end of the side groove 13 is far away from the connecting hole 8, the oil path of the lubricating oil is cut off, after a certain time, the bolt is screwed out of a mounting hole on the equipment by matching a tool with the inner hexagonal groove 14 to rotate the nut head 2;

in the preferred embodiment, the cross section of the lower part of the lifting slider 10 is polygonal, and the cross section of the upper part of the lifting slider 10 is circular, so that the lifting slider 10 is in transmission fit with the connecting groove 7 to drive the nut head 2 to rotate;

in the preferred embodiment, the outer wall of the nut head 2 is isolated from the outside by the arrangement of the sleeve cover 4, so that the outer wall of the nut head 2 is not easy to damage and is not easy to be corroded by rainwater;

in the preferred embodiment, the sealing ring 15 prevents the lubricant from leaking out of the reserve tank 6.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (6)

1. A high accuracy flywheel bolt, comprising:

a screw (1) having a nut head (2) integrally formed at one end thereof;

the anti-rust unit is sleeved on the outer side of the nut head (2);

a lubrication unit for lubricating the screw (1);

the rust prevention unit includes:

the baffle ring (3) is arranged at the bottom of the outer wall of the nut head (2);

the sleeve cover (4) is sleeved on the outer wall of the nut head (2);

the inner side wall of the sleeve cover (4) and the outer side wall of the nut head (2) are both provided with threads, and the sleeve cover (4) is connected with the outer wall of the nut head (2) through the threads.

2. A high accuracy flywheel bolt according to claim 1 wherein the lubrication unit comprises:

a plurality of lubricating grooves (5) which are distributed on the outer side wall of the bolt at intervals;

a storage tank (6) disposed on top of the nut head (2);

and a connecting unit for connecting the storage tank (6) and each lubrication tank (5).

3. A high accuracy flywheel bolt according to claim 2 wherein the connection unit comprises:

a connecting trough (7) arranged at the bottom of the storage trough (6);

a connecting hole (8) which communicates the connecting groove (7) and one of the lubricating grooves (5);

and the annular groove (9) is arranged on the bottom surface of the nut head (2) and is communicated with each lubricating groove (5).

4. A high accuracy flywheel bolt according to claim 3, characterised in that the connection unit further comprises:

the lifting slide block (10) is vertically and slidably installed between the connecting groove (7) and the storage groove (6);

the clamping edge (11) is arranged at the upper part of the outer side wall of the lifting slide block (10) and is in sliding fit with the inner wall of the storage groove (6);

the return spring (12) is arranged between the bottom surface of the clamping edge (11) and the bottom of the storage groove (6);

a side groove (13) which is arranged at the lower part of the outer side wall of the lifting slide block (10);

wherein, the top end of the lifting slide block (10) movably penetrates through the rust-proof unit.

5. A high accuracy flywheel bolt according to claim 4 wherein the connection unit further comprises:

and the inner hexagonal groove (14) is arranged at the top end of the lifting slide block (10).

6. A high accuracy flywheel bolt according to claim 4 wherein the connection unit further comprises:

and the sealing ring (15) is arranged between the peripheral side wall of the clamping edge (11) and the inner side wall of the storage groove (6).

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